{"title":"tcl","description":null,"products":[{"product_id":"tcl-sj-sb-d5500801-led-backlight-strips","title":"TCL 55S421 55S423 55S425 LED Backlight Strips 4-Piece Set","description":"\u003cstyle\u003e\n\n\n.gy-desc-tcl-d5500801{max-width:1100px;margin:0 auto;color:#24303a;font:inherit;line-height:1.6}\n.gy-desc-tcl-d5500801 *{box-sizing:border-box}\n.gy-desc-tcl-d5500801 h2{font-size:1.58em;line-height:1.28;margin:28px 0 13px;color:#172733}\n.gy-desc-tcl-d5500801 h3{font-size:1.25em;line-height:1.35;margin:16px 0 11px;color:#172733}\n.gy-desc-tcl-d5500801 h4{font-size:1.06em;line-height:1.4;margin:14px 0 9px;color:#24303a}\n.gy-desc-tcl-d5500801 p{margin:9px 0 13px}\n.gy-desc-tcl-d5500801 ul{padding-left:23px;margin:8px 0 15px}\n.gy-desc-tcl-d5500801 li{margin-bottom:6px}\n.gy-desc-tcl-d5500801 img{display:block;width:auto;max-width:100%;height:auto;margin:0 auto}\n.gy-desc-tcl-d5500801 a{color:#a42823;text-decoration:underline;text-underline-offset:2px}\n.gy-desc-tcl-d5500801 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10px;text-align:center}\n.gy-desc-tcl-d5500801 .gy-card h3{font-size:1.07em}\n.gy-desc-tcl-d5500801 .gy-card p{text-align:left}\n.gy-desc-tcl-d5500801 .gy-wide-img{margin:18px auto}\n.gy-desc-tcl-d5500801 video{display:block;width:100%;max-width:970px;height:auto;margin:15px auto;border-radius:6px}\n.gy-desc-tcl-d5500801 .gy-quick-models{background:#f3f6f8;padding:12px 15px;border-radius:5px}\n@media(max-width:720px){\n.gy-desc-tcl-d5500801 .gy-grid,.gy-desc-tcl-d5500801 .gy-cards{grid-template-columns:1fr;gap:11px}\n.gy-desc-tcl-d5500801 h2{font-size:1.38em}\n.gy-desc-tcl-d5500801 h3{font-size:1.15em}\n.gy-desc-tcl-d5500801 .gy-card{border-bottom:1px solid #e3e8e9}\n.gy-desc-tcl-d5500801 .gy-data th,.gy-desc-tcl-d5500801 .gy-data td{padding:9px 7px}\n.gy-desc-tcl-d5500801 .gy-model-group summary{padding:12px 10px}\n.gy-desc-tcl-d5500801 .gy-count{float:none;display:inline-block;margin-left:7px}\n}\n.gy-desc-tcl-d5500801 .gy-visual img{max-height:420px;object-fit:contain}\n.gy-desc-tcl-d5500801 .gy-smallprint{font-size:.88em;color:#586772}\n.gy-desc-tcl-d5500801 .gy-unboxing{max-width:970px;margin:20px auto 26px;padding:16px 0;border-top:1px solid #e1e6e9;border-bottom:1px solid #e1e6e9}\n.gy-desc-tcl-d5500801 .gy-unboxing h3{margin:5px 0 11px}\n.gy-desc-tcl-d5500801 .gy-unboxing video{margin:13px auto}\n\n.gy-desc-tcl-d5500801 .gy-photo-label{font-size:.9em;text-align:center;color:#586772;margin:8px auto 0}\n.gy-desc-tcl-d5500801 .gy-intro-video{display:block;max-width:970px;margin:0 auto}\n.gy-desc-tcl-d5500801 .gy-models td:first-child{font-weight:600}\n.gy-desc-tcl-d5500801 .gy-data td{overflow-wrap:anywhere}\n.gy-desc-tcl-d5500801 .gy-video-fallback{font-size:.9em}\n.gy-desc-tcl-d5500801 .gy-unboxing video{background:#f2f5f6;aspect-ratio:16\/9;object-fit:contain}\n\n\n.gy-desc-tcl-d5500801 .gy-card img{width:100%;max-height:280px;object-fit:contain}\n.gy-desc-tcl-d5500801 .gy-seo-reference{font-weight:600;overflow-wrap:anywhere}\n.gy-desc-tcl-d5500801 .gy-wide-img figcaption{font-size:.9em;text-align:center;color:#586772;margin:7px auto 0}\n.gy-desc-tcl-d5500801 .gy-model-family{margin:13px 0 9px}\n.gy-desc-tcl-d5500801 .gy-chip{display:inline-block;margin:3px 7px 4px 0;padding:5px 10px;background:#eef3f6;border-radius:4px;font-size:.92em}\n.gy-desc-tcl-d5500801 .gy-desc-callout{background:#f5f8fa;padding:13px 17px;border-radius:5px}\n.gy-desc-tcl-d5500801 .gy-unboxing video{width:100%;background:#f2f5f6;aspect-ratio:16\/9;object-fit:contain}\n\n\u003c\/style\u003e\n\u003cdiv class=\"gy-desc-tcl-d5500801\" lang=\"en-US\"\u003e\n\u003csection class=\"gy-top\"\u003e\n\u003ch2\u003eTCL 55S421, 55S423 \u0026amp; 55S425 LED Backlight Strips Replacement\u003c\/h2\u003e\n\u003cdiv class=\"gy-grid\"\u003e\n\u003cdiv class=\"gy-visual\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0778\/4353\/0021\/files\/55S421_55S423_55S425.jpg?v=1789887058\" alt=\"GuuYebe four-piece LED backlight strip set for select TCL 55S421 55S423 and 55S425 55-inch TVs\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp class=\"gy-kicker\"\u003eGuuYebe TV LED backlight replacement\u003c\/p\u003e\n\u003ch3\u003e4-Piece A+B LED Backlight Set for Select TCL 55-Inch TVs\u003c\/h3\u003e\n\u003cp\u003eReplacement TV LED backlight strip set for select TCL 55S421, 55S423 and 55S425 models using the listed SJ.SB.D5500801-3030H-family markings. The package contains four physical strip pieces. Confirm the A+B arrangement, original printed part numbers, connectors and mounting layout before ordering.\u003c\/p\u003e\n\u003ch4\u003eProduct Information\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 1,013 mm for the listed A+B assembly (not stated as the length of each individual piece)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED count:\u003c\/strong\u003e 15 LEDs for the listed A+B strip configuration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndividual LED voltage:\u003c\/strong\u003e 6 V per LED, as supplied\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage includes:\u003c\/strong\u003e 1 set of 4 LED strip pieces\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"gy-smallprint\"\u003eThe original listing gives length and LED count for “A+B.” It does not supply separate dimensions or LED counts for each individual A or B piece.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"gy-block\"\u003e\n\u003ch2\u003eCompatible TCL 55-Inch TV Models\u003c\/h2\u003e\n\u003cdiv class=\"gy-grid\"\u003e\n\u003cdiv\u003e\n\u003ch3\u003eCommon TCL Model References\u003c\/h3\u003e\n\u003cp\u003eThe supplied fitment file lists TCL 55S421, 55S423 and 55S425 families, including full suffixes such as 55S421LBAA and 55S425TFBA. Find the complete model identifier on your TV label. The file does not specify production versions, and a matching model number alone does not guarantee that the installed LED assembly is identical.\u003c\/p\u003e\n\u003cdiv class=\"gy-scroll\"\u003e\n\u003ctable class=\"gy-data gy-quick-models\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eTCL TV model\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eListed version(s)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e55S421\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified in supplied list\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e55S421LBAA\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified in supplied list\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e55S423\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified in supplied list\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e55S423TCAA\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified in supplied list\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e55S425\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified in supplied list\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e55S425LFBA\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified in supplied list\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e55S425TFBA\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified in supplied list\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gy-visual\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0778\/4353\/0021\/files\/55S421_9c87bab5-e321-44e9-8208-8b7bd9eb5ca9.jpg?v=1789886623\" alt=\"TCL 55S421 55S423 55S425 backlight replacement assembly visual for comparing 4C-LB5507-HR03J and strip shape\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gy-note\"\u003e\n\u003cstrong\u003eImportant fitment check:\u003c\/strong\u003e Compare your original A+B strip layout, printed identifiers, assembled 1,013 mm length, 15-LED configuration, 6 V LED specification, connectors and mounting-hole positions. Some model families can have different assemblies across production runs; verify your TV version and original parts before ordering.\u003c\/div\u003e\n\u003ch3\u003eComplete Known-Models List — 14 TCL TV Model Identifiers\u003c\/h3\u003e\n\u003cp\u003eAll 14 identifiers below come from the supplied TCL compatibility file. Grouping by model family is for readability only. “Not specified” means the source did not provide a separate version code; it does not mean every production version is supported.\u003c\/p\u003e\n\u003cdetails class=\"gy-model-group\" open=\"\"\u003e\n\u003csummary\u003eTCL 55S421 family \u003cspan class=\"gy-count\"\u003e3 model identifiers\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"gy-scroll\"\u003e\n\u003ctable class=\"gy-data gy-models\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eTCL TV model\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eListed version(s)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e55S421\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e55S421LBAA\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e55S421ZCAA\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"gy-model-group\"\u003e\n\u003csummary\u003eTCL 55S423 family \u003cspan class=\"gy-count\"\u003e3 model identifiers\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"gy-scroll\"\u003e\n\u003ctable class=\"gy-data gy-models\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eTCL TV model\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eListed version(s)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e55S423\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e55S423LEAA\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e55S423TCAA\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"gy-model-group\"\u003e\n\u003csummary\u003eTCL 55S425 family \u003cspan class=\"gy-count\"\u003e8 model identifiers\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"gy-scroll\"\u003e\n\u003ctable class=\"gy-data gy-models\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eTCL TV model\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eListed version(s)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e55S425\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e55S425LACA\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e55S425LDAA\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e55S425LFBA\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e55S425LHBA\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e55S425MABA\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e55S425TFAA\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e55S425TFBA\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdiv class=\"gy-support\"\u003e\n\u003ch3\u003eFitment Support Before Ordering\u003c\/h3\u003e\n\u003cp\u003eIf you are unsure which TCL backlight strips your TV uses, email the complete TV model number, the rear-label version if shown, and clear photos of the original strip codes and connectors. We can help you compare the references before purchasing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e \u003ca href=\"mailto:support@guuyebe.com\"\u003esupport@guuyebe.com\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"gy-block\"\u003e\n\u003ch2\u003eProduct Parameters and Part Number Identification\u003c\/h2\u003e\n\u003cdiv class=\"gy-grid\" style=\"align-items: start;\"\u003e\n\u003cdiv\u003e\n\u003ctable class=\"gy-data gy-spec\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePrimary listed part number\u003c\/th\u003e\n\u003ctd\u003eSJ.SB.D5500801-3030H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDetailed part reference\u003c\/th\u003e\n\u003ctd\u003eSJ.SB.D5500801-3030HL-M-HF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePart type\u003c\/th\u003e\n\u003ctd\u003eLED backlight strips for LED\/LCD TV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eA+B assembly length\u003c\/th\u003e\n\u003ctd\u003e1,013 mm (A+B, per supplied listing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eLED count\u003c\/th\u003e\n\u003ctd\u003e15 for the stated A+B arrangement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eIndividual LED voltage\u003c\/th\u003e\n\u003ctd\u003e6 V per LED (as listed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePackage contents\u003c\/th\u003e\n\u003ctd\u003e4 LED strip pieces (1 set)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSubstitute references listed\u003c\/th\u003e\n\u003ctd\u003eGIC55LB111\u003cbr\u003eGIC55LB112\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003e180-Day Warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ctable class=\"gy-data gy-spec\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePanel references listed\u003c\/th\u003e\n\u003ctd\u003eLVU550NDEL SJ9W01 V3\u003cbr\u003e08-556000-LPN004C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBoard \/ strip markings from listing\u003c\/th\u003e\n\u003ctd\u003eSJ.SB.D5500801-3030HR-M-HF\u003cbr\u003eSJ.SB.D5500801-3030HL-M-HF\u003cbr\u003e4C-LB5507-PF01J\u003cbr\u003e4C-LB5508-PF01J\u003cbr\u003e4C-LB5507-PF05J\u003cbr\u003e4C-LB5508-PF05J\u003cbr\u003eKW-55D-L08-20190725V3\u003cbr\u003eKW-55D-L07-20190725V3\u003cbr\u003e4C-LB5508-HR\u003cbr\u003e4C-LB5507-HR02J\u003cbr\u003e4C-LB5507-HR03J\u003cbr\u003e55HR330M07B2\u003cbr\u003e55HR330M08A2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAdditional markings from supplied parameters\u003c\/th\u003e\n\u003ctd\u003e1.14.HBMD550002\u003cbr\u003e1.14.HBMD550003\u003cbr\u003eSJ.SB.D5500701-3030HR-M-HF\u003cbr\u003e55HR330M08 V2\u003cbr\u003e55HR330M07B2 V2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gy-note\"\u003e\n\u003cstrong\u003eVerify printed markings:\u003c\/strong\u003e The Amazon-style product description lists \u003cstrong\u003eSJ.SB.D5500801-3030HR-M-HF\u003c\/strong\u003e, while the separate product-parameters file also lists \u003cstrong\u003eSJ.SB.D5500701-3030HR-M-HF\u003c\/strong\u003e. These are reproduced as separate source references—not a guarantee that the two right-hand strip numbers are interchangeable. Likewise, the supplied parameters include one incomplete reference (“1.14.HBMD55000”), which is omitted from the identification table to avoid implying an exact part match.\u003c\/div\u003e\n\u003cfigure class=\"gy-wide-img\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0778\/4353\/0021\/files\/GIC55LB111.jpg?v=1789886712\" alt=\"TCL SJ.SB.D5500801-3030H LED backlight strips product identification photo with A+B reference markings\" loading=\"lazy\" decoding=\"async\" style=\"width: 100%; max-width: 970px;\"\u003e\n\u003cfigcaption\u003eProduct identification photo — compare the A+B strip dimensions and printed identifiers with your removed assembly.\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003cfigure class=\"gy-wide-img\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0778\/4353\/0021\/files\/SJ.SB.D5500801-3030HL-M-HF.jpg?v=1789886713\" alt=\"TCL 55S421 55S423 55S425 LED backlight strips additional identification photo including 4C-LB5507 and 4C-LB5508 reference codes\" loading=\"lazy\" decoding=\"async\" style=\"width: 100%; max-width: 970px;\"\u003e\n\u003cfigcaption\u003eAdditional product reference image from the supplied listing.\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003csection class=\"gy-unboxing\"\u003e\n\u003ch3\u003eTCL 55S421 \/ 55S423 \/ 55S425 Backlight Strips Unboxing Video\u003c\/h3\u003e\n\u003cp\u003eView the supplied GuuYebe product video to check the four-piece replacement set against your original TCL TV backlight assembly. Use the video together with the reference images and measurements above; visual similarity alone does not confirm compatibility.\u003c\/p\u003e\n\u003cvideo controls=\"controls\" preload=\"none\" playsinline=\"\" poster=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0778\/4353\/0021\/files\/GIC55LB111.jpg?v=1789886712\"\u003e\u003csource src=\"https:\/\/cdn.shopify.com\/videos\/c\/o\/v\/b27a89fc301e405c94fe75b4cbc3c379.mp4\" type=\"video\/mp4\"\u003eYour browser does not support HTML5 video.\u003c\/source\u003e\u003c\/video\u003e\n\u003cp class=\"gy-small\"\u003eThe video uses the supplied 55S425 poster image and product MP4. Compare the physical A+B strip layout and visible markings before purchase.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c\/section\u003e\n\u003csection class=\"gy-block\"\u003e\n\u003ch2\u003eLED Backlight Strip Details\u003c\/h2\u003e\n\u003cdiv class=\"gy-cards\"\u003e\n\u003cdiv class=\"gy-card\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0778\/4353\/0021\/files\/55HR330M08A2_9daced31-6a9d-4e3d-97f4-f2d35550bf81.jpg?v=1789886876\" alt=\"TCL backlight LED lens detail for the listed SJ.SB.D5500801-3030H strip family\" loading=\"lazy\" decoding=\"async\"\u003e\n\u003ch3\u003eLED Beads and Optical Lenses\u003c\/h3\u003e\n\u003cp\u003eThe source lists 15 LED beads for the A+B assembly and 6 V per LED. Compare the complete A+B lens layout and spacing; the source does not specify how many LEDs are on each individual segment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gy-card\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0778\/4353\/0021\/files\/4C-LB5508-HR.jpg?v=1789886876\" alt=\"TCL 55S425 replacement LED backlight connector and strip interface reference photo\" loading=\"lazy\" decoding=\"async\"\u003e\n\u003ch3\u003eConnector Interface\u003c\/h3\u003e\n\u003cp\u003eInspect the original electrical connector, contact orientation and A\/B arrangement. Match the physical strip markings and connector style before connecting the replacement; a similar-looking part number alone is not enough.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gy-card\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0778\/4353\/0021\/files\/4C-LB5507-HR02J_d5e15ea0-c02f-4d7b-917d-43408c3c2be0.jpg?v=1789886876\" alt=\"TCL 55-inch backlight strip mounting holes and aluminum backing reference photo\" loading=\"lazy\" decoding=\"async\"\u003e\n\u003ch3\u003eBacking and Mounting\u003c\/h3\u003e\n\u003cp\u003eThe supplied product description calls out aluminum backing for fastening and heat transfer. Confirm the original 1,013 mm A+B layout and mounting positions to avoid stressing the LED panel during installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"gy-block\"\u003e\n\u003ch2\u003eTCL TV Has Sound but No Picture? Check the Backlight\u003c\/h2\u003e\n\u003cp\u003eIf your TCL TV has sound but a black screen, failed LED backlighting is one possible cause. With the TV powered on, shine a flashlight at an angle toward the screen. A faint image may suggest that the picture is being produced without enough backlight illumination. This is only a preliminary check; the LED driver, power supply or other components may also need diagnosis.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/guuyebe.com\/blogs\/tv-issues\/tv-has-sound-but-no-picture\"\u003eTV Has Sound But No Picture — Diagnosis Guide\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/guuyebe.com\/blogs\/news\/replacement-tv-light-strip-using-tv-model-ua55ju5920jxxz-as-an-example\"\u003eHow to Replace TV LED Backlight Strips — General Replacement Guide\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection class=\"gy-block\"\u003e\n\u003ch2\u003eTV LED Backlight Strip Replacement Process Video\u003c\/h2\u003e\n\u003cp class=\"gy-muted\"\u003eThis general replacement demonstration is retained from the GuuYebe template. It is not a model-specific TCL 55S421, 55S423 or 55S425 installation video. Disassembly exposes fragile glass and electrical hazards; unplug the TV and use appropriate repair procedures.\u003c\/p\u003e\n\u003cvideo controls=\"controls\" playsinline=\"\" poster=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0778\/4353\/0021\/files\/GuuYebe_Video_Photo.jpg?v=1789183869\" preload=\"none\"\u003e\u003csource src=\"https:\/\/cdn.shopify.com\/videos\/c\/o\/v\/0d0e812417404634a02ef8e0deef5f9d.mp4\" type=\"video\/mp4\"\u003eYour browser does not support HTML5 video.\u003c\/source\u003e\u003c\/video\u003e\u003c\/section\u003e\n\u003c\/div\u003e","brand":"GuuYebe","offers":[{"title":"Default Title","offer_id":47183090549029,"sku":"100822","price":28.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/4353\/0021\/files\/4C-LB5508-HR02J.jpg?v=1697621048"},{"product_id":"tcl-4c-lb5504-yh-4c-lb5505-yh-led-backlight-strips","title":"TCL 55S401 55S403 55S405 LED Backlight Strips 8-Piece Set","description":"\u003cstyle\u003e\n\n\n.gy-desc-4clb5504yh{max-width:1100px;margin:0 auto;color:#24303a;font:inherit;line-height:1.6}\n.gy-desc-4clb5504yh *{box-sizing:border-box}\n.gy-desc-4clb5504yh h2{font-size:1.58em;line-height:1.28;margin:28px 0 13px;color:#172733}\n.gy-desc-4clb5504yh h3{font-size:1.25em;line-height:1.35;margin:16px 0 11px;color:#172733}\n.gy-desc-4clb5504yh h4{font-size:1.06em;line-height:1.4;margin:14px 0 9px;color:#24303a}\n.gy-desc-4clb5504yh p{margin:9px 0 13px}\n.gy-desc-4clb5504yh ul{padding-left:23px;margin:8px 0 15px}\n.gy-desc-4clb5504yh li{margin-bottom:6px}\n.gy-desc-4clb5504yh img{display:block;width:auto;max-width:100%;height:auto;margin:0 auto}\n.gy-desc-4clb5504yh a{color:#a42823;text-decoration:underline;text-underline-offset:2px}\n.gy-desc-4clb5504yh .gy-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center}\n.gy-desc-4clb5504yh .gy-grid \u003e *{min-width:0}\n.gy-desc-4clb5504yh .gy-top,.gy-desc-4clb5504yh .gy-block{padding:18px 0;border-bottom:1px solid #e1e6e9}\n.gy-desc-4clb5504yh .gy-top{padding-top:4px}\n.gy-desc-4clb5504yh .gy-visual{padding:10px;text-align:center}\n.gy-desc-4clb5504yh .gy-kicker{letter-spacing:.06em;text-transform:uppercase;color:#556572;font-size:.83em;font-weight:700}\n.gy-desc-4clb5504yh .gy-note{background:#fff9ed;border-left:4px solid #dca139;padding:14px 18px;margin:18px 0;border-radius:3px}\n.gy-desc-4clb5504yh .gy-support{background:#f2f8f8;border:1px solid #d8e7e5;border-radius:7px;padding:18px 21px;margin:15px 0}\n.gy-desc-4clb5504yh .gy-muted{color:#586772}\n.gy-desc-4clb5504yh .gy-small{font-size:.84em;color:#586772}\n.gy-desc-4clb5504yh .gy-data{border-collapse:collapse;width:100%;font-size:.94em}\n.gy-desc-4clb5504yh .gy-data th,.gy-desc-4clb5504yh .gy-data td{padding:10px 11px;border-bottom:1px solid #e2e7ea;text-align:left;vertical-align:top;overflow-wrap:anywhere}\n.gy-desc-4clb5504yh .gy-data 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video{display:block;width:100%;max-width:970px;height:auto;margin:15px auto;border-radius:6px}\n.gy-desc-4clb5504yh .gy-quick-models{background:#f3f6f8;padding:12px 15px;border-radius:5px}\n@media(max-width:720px){\n.gy-desc-4clb5504yh .gy-grid,.gy-desc-4clb5504yh .gy-cards{grid-template-columns:1fr;gap:11px}\n.gy-desc-4clb5504yh h2{font-size:1.38em}\n.gy-desc-4clb5504yh h3{font-size:1.15em}\n.gy-desc-4clb5504yh .gy-card{border-bottom:1px solid #e3e8e9}\n.gy-desc-4clb5504yh .gy-data th,.gy-desc-4clb5504yh .gy-data td{padding:9px 7px}\n.gy-desc-4clb5504yh .gy-model-group summary{padding:12px 10px}\n.gy-desc-4clb5504yh .gy-count{float:none;display:inline-block;margin-left:7px}\n}\n.gy-desc-4clb5504yh .gy-visual img{max-height:420px;object-fit:contain}\n.gy-desc-4clb5504yh .gy-smallprint{font-size:.88em;color:#586772}\n.gy-desc-4clb5504yh .gy-unboxing{max-width:970px;margin:20px auto 26px;padding:16px 0;border-top:1px solid #e1e6e9;border-bottom:1px solid #e1e6e9}\n.gy-desc-4clb5504yh .gy-unboxing h3{margin:5px 0 11px}\n.gy-desc-4clb5504yh .gy-unboxing video{margin:13px auto}\n\n.gy-desc-4clb5504yh .gy-photo-label{font-size:.9em;text-align:center;color:#586772;margin:8px auto 0}\n.gy-desc-4clb5504yh .gy-intro-video{display:block;max-width:970px;margin:0 auto}\n.gy-desc-4clb5504yh .gy-models td:first-child{font-weight:600}\n.gy-desc-4clb5504yh .gy-data td{overflow-wrap:anywhere}\n.gy-desc-4clb5504yh .gy-video-fallback{font-size:.9em}\n.gy-desc-4clb5504yh .gy-unboxing video{background:#f2f5f6;aspect-ratio:16\/9;object-fit:contain}\n\n\n.gy-desc-4clb5504yh .gy-photo-stack{margin:20px auto;max-width:970px}\n.gy-desc-4clb5504yh .gy-photo-stack figure{margin:20px 0}\n.gy-desc-4clb5504yh figure figcaption{font-size:.88em;color:#586772;text-align:center;margin:8px 0 0}\n.gy-desc-4clb5504yh .gy-side-summary{border:1px solid #dce5e9;border-radius:6px;padding:14px 18px;margin:14px 0;background:#f8fafb}\n.gy-desc-4clb5504yh .gy-side-summary summary{cursor:pointer;font-weight:600}\n.gy-desc-4clb5504yh .gy-reference-list{columns:2;column-gap:28px;overflow-wrap:anywhere;font-size:.94em}\n.gy-desc-4clb5504yh .gy-reference-list li{break-inside:avoid}\n@media(max-width:720px){.gy-desc-4clb5504yh .gy-reference-list{columns:1}}\n\n\u003c\/style\u003e\n\u003cdiv class=\"gy-desc-4clb5504yh\" lang=\"en-US\"\u003e\n\u003csection class=\"gy-top\"\u003e\n\u003ch2\u003eTCL 55S401, 55S403 \u0026amp; 55S405 LED Backlight Strips Replacement\u003c\/h2\u003e\n\u003cdiv class=\"gy-grid\"\u003e\n\u003cdiv class=\"gy-visual\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0778\/4353\/0021\/files\/55S401_a13b9e9e-5b92-41ed-95ed-854931b61277.jpg?v=1789891290\" alt=\"GuuYebe 4C-LB5504-YH and 4C-LB5505-YH replacement LED backlight strip set for select TCL 55-inch TVs; eight strips\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp class=\"gy-kicker\"\u003eGuuYebe TV LED backlight replacement\u003c\/p\u003e\n\u003ch3\u003e8-Piece A + B Backlight Strip Kit for Select TCL 55-Inch TVs\u003c\/h3\u003e\n\u003cp\u003eThis LED backlight replacement set is listed for select TCL 55S401, 55S403, and 55S405-series LED\/LCD televisions. It contains four A-type strips and four B-type strips. Before ordering, check the complete TV model and compare the original strip markings, A\/B layout, LED count, connectors, and mounting points with the photos and specifications below.\u003c\/p\u003e\n\u003ch4\u003eProduct Information\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eA-strip length:\u003c\/strong\u003e 21 in (source-listed)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-strip length:\u003c\/strong\u003e 16.65 in (source-listed)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrip width:\u003c\/strong\u003e 0.7 in (A and B; source-listed)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED count:\u003c\/strong\u003e A = 5; B = 4, as described in the supplied listing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndividual LED voltage:\u003c\/strong\u003e 6 V per LED (as listed)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage includes:\u003c\/strong\u003e 8 LED strips: 4 A-type + 4 B-type\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"gy-block\"\u003e\n\u003ch2\u003eCompatible TCL 55-Inch TV Models\u003c\/h2\u003e\n\u003cdiv class=\"gy-grid\"\u003e\n\u003cdiv\u003e\n\u003ch3\u003eCommon TCL Model References\u003c\/h3\u003e\n\u003cp\u003eThe supplied compatibility list includes 22 TCL model identifiers in the 55S401, 55S403, and 55S405 families. Use the complete model number from your TV's rear label when available. No version codes were supplied for these rows, so model-family similarity alone is not confirmation of fit.\u003c\/p\u003e\n\u003cdiv class=\"gy-scroll\"\u003e\n\u003ctable class=\"gy-data gy-quick-models\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eTCL TV model\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eListed version\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e55S401\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified in source\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e55S401LDAA\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified in source\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e55S403\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified in source\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e55S403TFAA\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified in source\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e55S405LAAA\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified in source\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e55S405TFAA\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified in source\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gy-visual\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0778\/4353\/0021\/files\/55S401LDAA.jpg?v=1789891334\" alt=\"TCL 55S401 55S403 and 55S405 LED backlight assembly visual reference for checking strip layout\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gy-note\"\u003e\n\u003cstrong\u003eImportant fitment check:\u003c\/strong\u003e Different production versions of the same TV family may use different backlight assemblies. Compare the 4C-LB5504-YH \/ 4C-LB5505-YH references, A\/B lengths, LED count, connector orientation, and mounting positions with the original parts. A model appearing below is a reference, not a guarantee that every unit uses these strips.\u003c\/div\u003e\n\u003ch3\u003eComplete Known-Models List — 22 TCL Model Identifiers\u003c\/h3\u003e\n\u003cp\u003eExpand each family to see all model identifiers provided in the compatibility file. “Not specified” means the file did not supply a separate version code; it does not establish compatibility with every production revision.\u003c\/p\u003e\n\u003cdetails class=\"gy-model-group\"\u003e\n\u003csummary\u003eTCL 55S401 family \u003cspan class=\"gy-count\"\u003e7 models\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"gy-scroll\"\u003e\n\u003ctable class=\"gy-data gy-models\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eTCL TV model\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eListed version\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e55S401\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified in source\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e55S401LDAA\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified in source\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e55S401LHAA\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified in source\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e55S401TAAA\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified in source\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e55S401TCAA\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified in source\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e55S401TDAA\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified in source\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e55S401THAA\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified in source\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"gy-model-group\"\u003e\n\u003csummary\u003eTCL 55S403 family \u003cspan class=\"gy-count\"\u003e4 models\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"gy-scroll\"\u003e\n\u003ctable class=\"gy-data gy-models\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eTCL TV model\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eListed version\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e55S403\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified in source\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e55S403LFAA\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified in source\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e55S403TFAA\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified in source\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e55S403TIAA\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified in source\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"gy-model-group\"\u003e\n\u003csummary\u003eTCL 55S405 family \u003cspan class=\"gy-count\"\u003e11 models\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"gy-scroll\"\u003e\n\u003ctable class=\"gy-data gy-models\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eTCL TV model\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eListed version\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e55S405LAAA\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified in source\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e55S405LEAA\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified in source\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e55S405TAAA\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified in source\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e55S405TBBA\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified in source\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e55S405TBCA\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified in source\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e55S405TEAA\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified in source\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e55S405TFAA\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified in source\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e55S405TJAA\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified in source\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e55S405TKAA\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified in source\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e55S405TLAA\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified in source\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e55S405TMAA\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified in source\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdiv class=\"gy-support\"\u003e\n\u003ch3\u003eFitment Support Before Ordering\u003c\/h3\u003e\n\u003cp\u003eUnsure whether this 8-piece TCL LED backlight strip kit matches your TV? Email your full TV model number and photos of the removed strips, printed numbers, A\/B arrangement, and connectors so we can help you compare them before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e \u003ca href=\"mailto:support@guuyebe.com\"\u003esupport@guuyebe.com\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"gy-block\"\u003e\n\u003ch2\u003eProduct Parameters and Part Number Identification\u003c\/h2\u003e\n\u003cdiv class=\"gy-grid\" style=\"align-items: start;\"\u003e\n\u003cdiv\u003e\n\u003ctable class=\"gy-data gy-spec\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePrimary Strip Set Reference\u003c\/th\u003e\n\u003ctd\u003e4C-LB5504-YH \/ 4C-LB5505-YH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePart Type\u003c\/th\u003e\n\u003ctd\u003eLED TV backlight strip set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePart Usage\u003c\/th\u003e\n\u003ctd\u003eLED\/LCD TV backlighting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eA-Type Strip Length\u003c\/th\u003e\n\u003ctd\u003e21 in (as listed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eB-Type Strip Length\u003c\/th\u003e\n\u003ctd\u003e16.65 in (as listed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eA \/ B Strip Width\u003c\/th\u003e\n\u003ctd\u003e0.7 in (as listed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eA \/ B LED Count\u003c\/th\u003e\n\u003ctd\u003eA: 5 LEDs \/ B: 4 LEDs (listing description)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eIndividual LED Voltage\u003c\/th\u003e\n\u003ctd\u003e6 V per LED (as listed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePackage Contents\u003c\/th\u003e\n\u003ctd\u003e8 strips: 4 A + 4 B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ctable class=\"gy-data gy-spec\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eManufacturer Part Number References\u003c\/th\u003e\n\u003ctd\u003eTCL 55HR330M04B8 V0\u003cbr\u003eTCL 55HR330M05A8 V0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePanel Numbers Listed\u003c\/th\u003e\n\u003ctd\u003eT8-55D2900U-LPN1\u003cbr\u003eLVU550ND1L SD9W10 V1 08-55D2900-LPN002A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePrimary Board \/ Strip Markings\u003c\/th\u003e\n\u003ctd\u003e4C-LB5504-YH\u003cbr\u003e4C-LB5505-YH\u003cbr\u003e55D2900\u003cbr\u003eTOT_55D2900_4X4+4X5_3030C_D6T-2D1_A_4S1P\u003cbr\u003eTOT_55D2900_4X4+4X5_3030C_D6T-2D1_B_5S1P\u003cbr\u003e55HR330M04B6 V4\u003cbr\u003e55HR330M05A6 V4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003e180-Day Warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gy-note\"\u003e\n\u003cstrong\u003eConfirm the strip revision:\u003c\/strong\u003e The supplied materials also show alternative visible markings and revisions. These are identification references, not proof that all variants are interchangeable. The Amazon product description says A = 5 LEDs and B = 4 LEDs, while some board-marking strings contain A_4S1P and B_5S1P. Match the physical A\/B strips and original part numbers rather than relying on the A\/B letters in a printed code alone.\u003c\/div\u003e\n\u003cdetails class=\"gy-side-summary\"\u003e\n\u003csummary\u003eAdditional visible part numbers and revision markings from the supplied product details\u003c\/summary\u003e\n\u003cul class=\"gy-reference-list\"\u003e\n\u003cli\u003e4C-LB5504-ZM\u003c\/li\u003e\n\u003cli\u003e4C-LB5505-ZM\u003c\/li\u003e\n\u003cli\u003eGIC55LB125_LED3030F2.1D_V0.4\u003c\/li\u003e\n\u003cli\u003eGIC55LB124_LED3030F2.1D_V0.4\u003c\/li\u003e\n\u003cli\u003e55D2900 A\u003c\/li\u003e\n\u003cli\u003eHR-56911-08312\u003c\/li\u003e\n\u003cli\u003eLC8RB2U3-D-K\u003c\/li\u003e\n\u003cli\u003eJC-LB5505-HR04J\u003c\/li\u003e\n\u003cli\u003e4C-LB5504-HR\u003c\/li\u003e\n\u003cli\u003e4C-LB5505-HRH\u003c\/li\u003e\n\u003cli\u003e55HR330M05A9\u003c\/li\u003e\n\u003cli\u003e55HR330M05B9\u003c\/li\u003e\n\u003cli\u003e55HR330M05A8 V0\u003c\/li\u003e\n\u003cli\u003e4C-LB5505-HR22J\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"gy-small\"\u003eSome codes refer to other assemblies or revisions in the source list; confirm exact dimensions, LED positions and connectors before selecting a replacement.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdiv class=\"gy-photo-stack\"\u003e\n\u003cfigure class=\"gy-wide-img\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0778\/4353\/0021\/files\/55s401.jpg?v=1699946562\" alt=\"Product identification image for TCL 4C-LB5504-YH and 4C-LB5505-YH backlight replacement strips\" loading=\"lazy\" decoding=\"async\" style=\"width: 100%; max-width: 970px;\"\u003e\n\u003cfigcaption\u003eProduct identification photo — compare strip length, printed identifiers, and the A\/B layout with your originals.\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003cfigure class=\"gy-wide-img\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0778\/4353\/0021\/files\/55s403.jpg?v=1699946586\" alt=\"Additional product reference photo for 55D2900 and 4C-LB5504-YH 4C-LB5505-YH backlight strips\" loading=\"lazy\" decoding=\"async\" style=\"width: 100%; max-width: 970px;\"\u003e\n\u003cfigcaption\u003eAdditional product reference image from the supplied listing.\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003csection class=\"gy-unboxing\"\u003e\n\u003ch3\u003eTCL 55S401 \/ 55S403 \/ 55S405 LED Backlight Strips Unboxing Video\u003c\/h3\u003e\n\u003cp\u003eWatch the GuuYebe product video to see the replacement LED backlight set before ordering. The package is listed as eight strips (four A-type and four B-type). Use the video together with the photos and measurements to check the strip arrangement and physical details against your TV.\u003c\/p\u003e\n\u003cvideo controls=\"controls\" preload=\"none\" playsinline=\"\" poster=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0778\/4353\/0021\/files\/55s401.jpg?v=1699946562\"\u003e\u003csource src=\"https:\/\/cdn.shopify.com\/videos\/c\/o\/v\/6441f32700e2484e944ac9521794df11.mp4\" type=\"video\/mp4\"\u003eYour browser does not support HTML5 video.\u003c\/source\u003e\u003c\/video\u003e\n\u003cp class=\"gy-small\"\u003eThis video is a product visual reference; it does not independently verify fitment for any particular TV version.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c\/section\u003e\n\u003csection class=\"gy-block\"\u003e\n\u003ch2\u003eLED Backlight Strip Details\u003c\/h2\u003e\n\u003cdiv class=\"gy-cards\"\u003e\n\u003cdiv class=\"gy-card\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0778\/4353\/0021\/files\/T8-55D2900U-LPN.jpg?v=1789891456\" alt=\"TCL 55D2900 LED bead and optical lens close-up for A and B backlight strips\" loading=\"lazy\" decoding=\"async\"\u003e\n\u003ch3\u003eLED Beads and Optical Lenses\u003c\/h3\u003e\n\u003cp\u003eThe supplied listing specifies 6 V LED beads and an A\/B arrangement of five and four beads. Compare each strip's LEDs, lens positions, and spacing with the removed parts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gy-card\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0778\/4353\/0021\/files\/4C-LB5504-YH.jpg?v=1789891456\" alt=\"TCL 4C-LB5504 and 4C-LB5505 LED backlight strip connector reference photo\" loading=\"lazy\" decoding=\"async\"\u003e\n\u003ch3\u003eConnector Interface\u003c\/h3\u003e\n\u003cp\u003eInspect connector type, orientation, and contact arrangement before installation. Similar-looking connectors do not guarantee that two strips are electrically or mechanically interchangeable.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gy-card\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0778\/4353\/0021\/files\/4C-LB5505-YH.jpg?v=1789891456\" alt=\"TCL 55-inch TV LED backlight strip backing and mounting-hole reference image\" loading=\"lazy\" decoding=\"async\"\u003e\n\u003ch3\u003eBacking and Mounting\u003c\/h3\u003e\n\u003cp\u003eThe source describes an aluminum backing for attachment and heat transfer. Compare mounting-hole locations and strip profiles with the original assembly; protect the TV panel during service.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"gy-block\"\u003e\n\u003ch2\u003eTCL TV Has Sound but No Picture? Check the Backlight\u003c\/h2\u003e\n\u003cp\u003eIf your TCL TV plays sound but the screen is black, a backlight fault is one possible cause. With the TV on, shine a flashlight at an angle onto the display and check for a faint image. Seeing an image can suggest a missing backlight while the LCD still produces a picture. This test does not prove that the strips are defective; the LED driver and other electronics may also require diagnosis.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/guuyebe.com\/blogs\/tv-issues\/tv-has-sound-but-no-picture\"\u003eTV Has Sound But No Picture – Diagnosis Guide\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/guuyebe.com\/blogs\/news\/replacement-tv-light-strip-using-tv-model-ua55ju5920jxxz-as-an-example\"\u003eHow to Replace TV LED Backlight Strips – General Replacement Guide\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection class=\"gy-block\"\u003e\n\u003ch2\u003eTV LED Backlight Strip Replacement Process Video\u003c\/h2\u003e\n\u003cp class=\"gy-muted\"\u003eGeneral GuuYebe LED backlight replacement demonstration from the supplied template, not a model-specific TCL 55S401 \/ 55S403 \/ 55S405 disassembly video. TV panels are fragile and can present electrical hazards. Disconnect power and follow appropriate repair procedures.\u003c\/p\u003e\n\u003cvideo controls=\"controls\" preload=\"none\" playsinline=\"\" poster=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0778\/4353\/0021\/files\/GuuYebe_Video_Photo.jpg?v=1789183869\"\u003e\u003csource src=\"https:\/\/cdn.shopify.com\/videos\/c\/o\/v\/0d0e812417404634a02ef8e0deef5f9d.mp4\" type=\"video\/mp4\"\u003eYour browser does not support HTML5 video.\u003c\/source\u003e\u003c\/video\u003e\u003c\/section\u003e\n\u003c\/div\u003e","brand":"GuuYebe","offers":[{"title":"Default Title","offer_id":47390148034853,"sku":"101825","price":29.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/4353\/0021\/files\/0_21dcde21-57e1-4776-9d83-3fb5cded3d96.jpg?v=1699946681"},{"product_id":"tcl-4c-lb4321-hr-led-backlight-strips","title":"TCL 4C-LB4321-HR LED Backlight Strips for 43S431 43S435 43S434 43S433","description":"\u003cp\u003e \u003c\/p\u003e\n\u003chr noshade size=\"1\" class=\"bucketDivider\"\u003e\n\u003ch2\u003eProduct description\u003c\/h2\u003e\n\u003cdiv lang=\"en_US\"\u003e\n\u003cdiv class=\"aplus-v2 desktop celwidget\" data-csa-c-id=\"lue96a-stoag2-z4m6y9-nzjhpf\" data-cel-widget=\"aplus\"\u003e\n\u003cdiv class=\"aplus-content-wrapper\"\u003e\n\u003cdiv class=\"celwidget aplus-module module-2 aplus-standard\" data-csa-c-id=\"ovvvms-n56w1l-p6i9nl-7nvljx\" data-cel-widget=\"aplus-module-2\"\u003e\n\u003cdiv class=\"aplus-module-wrapper apm-floatnone apm-fixed-width\"\u003e\n\u003cdiv class=\"apm-sidemodule apm-spacing\"\u003e\n\u003cdiv class=\"apm-sidemodule-imageleft\"\u003e\u003cimg alt=\"4C-LB4321-HR\" src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/a9e74415-2a3c-4eaf-8aa9-665d1659126e.__CR0,0,2000,2000_PT0_SX300_V1___.jpg\" class=\"\" data-src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/a9e74415-2a3c-4eaf-8aa9-665d1659126e.__CR0,0,2000,2000_PT0_SX300_V1___.jpg\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"apm-sidemodule-textright\"\u003e\n\u003ch3 class=\"a-spacing-mini\"\u003eLED Backlight Strip TV Replacement Part for 4C-LB4321-HR 43HR330M21A1 43S434 43S435 43S433 43S431\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"a-text-bold\"\u003eProduct information:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eSize (Length): 812mm\u003c\/p\u003e\n\u003cp\u003eNumber of LED beads: 21 per strip\u003c\/p\u003e\n\u003cp\u003ePackage include: 1 set = 2 pcs LED strip\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"celwidget aplus-module module-16-tech-specs aplus-standard\" data-csa-c-id=\"kqhlax-o61j63-86k8wu-oqusyw\" data-cel-widget=\"aplus-module-16-tech-specs\"\u003e\n\u003cdiv class=\"a-section a-spacing-large aplus-module-wrapper apm-fixed-width aplus-index-1\"\u003e\n\u003cdiv class=\"a-row\"\u003e\n\u003cdiv class=\"a-column a-span12 aplus-tech-spec-hide-loading\"\u003e\n\u003ctable class=\"a-bordered a-horizontal-stripes aplus-tech-spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"a-text-bold\"\u003e\u003cspan\u003ePart Number:\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4C-LB4321-HR\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"a-text-bold\"\u003e\u003cspan\u003ePanel Number:\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLVU430NDEL|LVU430NDEL MS9W04 V1|LVU430NDEL MS9W13 V4\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"a-text-bold\"\u003e\u003cspan\u003eBoard Number:\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e43HR330M21A0 V1|4C-LB4321-HR03J|43HR330M21A1\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"a-text-bold\"\u003e\u003cspan\u003ePart Type:\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLED Light Strip\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"a-text-bold\"\u003e\u003cspan\u003ePart Usage:\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLED\/LCD\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"celwidget aplus-module 3p-module-b aplus-standard\" data-csa-c-id=\"hx8phn-ilnm45-3jmx2b-hv044i\" data-cel-widget=\"aplus-3p-module-b\"\u003e\n\u003cdiv class=\"aplus-module-wrapper aplus-3p-fixed-width\"\u003e\u003cimg alt=\"4C-LB4321-HR 43HR330M21A1 43S434 43S435 43S433 43S431 43S425LAAA 43S425LABA 43S425LBAA 43S425LDAA\" src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/b14b3d90-3d13-4af6-981c-91c25f289842.__CR0,0,970,600_PT0_SX970_V1___.jpg\" class=\"a-spacing-base\" data-src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/b14b3d90-3d13-4af6-981c-91c25f289842.__CR0,0,970,600_PT0_SX970_V1___.jpg\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"celwidget aplus-module 3p-module-b aplus-standard\" data-csa-c-id=\"ic0kyk-qsp1rt-d5fv31-8dfxpa\" data-cel-widget=\"aplus-3p-module-b\"\u003e\n\u003cdiv class=\"aplus-module-wrapper aplus-3p-fixed-width\"\u003e\u003cimg alt=\"4C-LB4321-HR 43HR330M21A1 43S434 43S435 43S433 43S431 43S425LAAA 43S425LABA 43S425LBAA 43S425LDAA\" src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/d49d04fd-433c-4596-9d77-b290b34454b2.__CR0,0,970,600_PT0_SX970_V1___.jpg\" class=\"a-spacing-base\" data-src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/d49d04fd-433c-4596-9d77-b290b34454b2.__CR0,0,970,600_PT0_SX970_V1___.jpg\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"celwidget aplus-module module-3 aplus-standard\" data-csa-c-id=\"7ja1qu-gr012q-wtcyn3-i6r1t4\" data-cel-widget=\"aplus-module-3\"\u003e\n\u003cdiv class=\"aplus-module-wrapper apm-floatnone apm-fixed-width\"\u003e\n\u003cdiv class=\"apm-sidemodule apm-spacing\"\u003e\n\u003cdiv class=\"apm-sidemodule-imageright\"\u003e\u003cimg alt=\"MS9W04 V1 LVU430NDEL MS9W13 V4 43HR330M21A0 V1 4C-LB4321-HR03J 43HR330M21A1\" src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/00a773f1-39ea-40ec-b8af-ca3fd16b78a1.__CR0,0,1000,1000_PT0_SX300_V1___.jpg\" class=\"a-spacing-mini\" data-src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/00a773f1-39ea-40ec-b8af-ca3fd16b78a1.__CR0,0,1000,1000_PT0_SX300_V1___.jpg\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"apm-sidemodule-textleft\"\u003e\n\u003ch3 class=\"a-spacing-mini\"\u003eModels:\u003c\/h3\u003e\n\u003cp\u003e4C-LB4321-HR 43HR330M21A1 43S434 43S435 43S433 43S431 43S425LAAA 43S425LABA 43S425LBAA 43S425LDAA 43S425TDAA 43S425VDAA 43S425VDBA LVU430NDEL LVU430NDEL MS9W04 V1 LVU430NDEL MS9W13 V4 43HR330M21A0 V1 4C-LB4321-HR03J 43HR330M21A1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"celwidget aplus-module module-9 aplus-standard\" data-csa-c-id=\"97chck-x8bh74-m5ve19-nx2j8b\" data-cel-widget=\"aplus-module-9\"\u003e\n\u003cdiv class=\"aplus-module-wrapper apm-fixed-width apm-spacing\"\u003e\n\u003cdiv class=\"apm-flex\"\u003e\n\u003cdiv class=\"apm-flex-item-third-width\"\u003e\n\u003cp class=\"apm-text-center\"\u003e\u003cimg alt=\"4C-LB4321-HR 43HR330M21A1 43S434 43S435 43S433 43S431 43S425LAAA 43S425LABA\" src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/3253f34b-ea18-40b5-a5b3-77854566fdfd.__CR0,0,1000,1000_PT0_SX300_V1___.jpg\" class=\"a-spacing-mini\" data-src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/3253f34b-ea18-40b5-a5b3-77854566fdfd.__CR0,0,1000,1000_PT0_SX300_V1___.jpg\"\u003e\u003c\/p\u003e\n\u003ch4 class=\"a-spacing-mini\"\u003eLED Bead Light\u003c\/h4\u003e\n\u003cp\u003eOriginal Beads and The small lens. Reflective paper. Uniform astigmatism, long working life, high power, not easy to burn out.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"apm-flex-item-third-width\"\u003e\n\u003cp class=\"apm-text-center\"\u003e\u003cimg alt=\"4C-LB4321-HR 43HR330M21A1 43S434 43S435 43S433 43S431 43S425LAAA 43S425LABA\" src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/062d65e9-08d9-4ba5-a7d3-706a632b045b.__CR0,0,1000,1000_PT0_SX300_V1___.jpg\" class=\"a-spacing-mini\" data-src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/062d65e9-08d9-4ba5-a7d3-706a632b045b.__CR0,0,1000,1000_PT0_SX300_V1___.jpg\"\u003e\u003c\/p\u003e\n\u003ch4 class=\"a-spacing-mini\"\u003eBar Interface\u003c\/h4\u003e\n\u003cp\u003ePower plug\/seat. Replace the previous TV LED light bar. Plug in the power socket and it works. It's very simple.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"apm-flex-item-third-width\"\u003e\n\u003cp class=\"apm-text-center\"\u003e\u003cimg alt=\"4C-LB4321-HR 43HR330M21A1 43S434 43S435 43S433 43S431 43S425LAAA 43S425LABA\" src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/fa79cc6d-5ba9-4082-bd68-815b8f24b660.__CR0,0,1000,1000_PT0_SX300_V1___.jpg\" class=\"a-spacing-mini\" data-src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/fa79cc6d-5ba9-4082-bd68-815b8f24b660.__CR0,0,1000,1000_PT0_SX300_V1___.jpg\"\u003e\u003c\/p\u003e\n\u003ch4 class=\"a-spacing-mini\"\u003ePrecise Hole Position\u003c\/h4\u003e\n\u003cp\u003eThe back plate is made of aluminum, Precise Precise hole position to fix the light strip and heat dissipation function.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"GuuYebe","offers":[{"title":"Default Title","offer_id":50580870627621,"sku":"103045","price":32.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/4353\/0021\/files\/43S43143S43543S43443S433.jpg?v=1749474576"},{"product_id":"tcl-gic75lb08-led-backlight-strips","title":"TCL GIC75LB08 LED Backlight Strips for 75S421 75S423 75S425 (12)","description":"\u003cstyle\u003e\n\n\n.gy-desc-gic75lb08{max-width:1100px;margin:0 auto;color:#24303a;font:inherit;line-height:1.6}\n.gy-desc-gic75lb08 *{box-sizing:border-box}\n.gy-desc-gic75lb08 h2{font-size:1.58em;line-height:1.28;margin:28px 0 13px;color:#172733}\n.gy-desc-gic75lb08 h3{font-size:1.25em;line-height:1.35;margin:16px 0 11px;color:#172733}\n.gy-desc-gic75lb08 h4{font-size:1.06em;line-height:1.4;margin:14px 0 9px;color:#24303a}\n.gy-desc-gic75lb08 p{margin:9px 0 13px}\n.gy-desc-gic75lb08 ul{padding-left:23px;margin:8px 0 15px}\n.gy-desc-gic75lb08 li{margin-bottom:6px}\n.gy-desc-gic75lb08 img{display:block;width:auto;max-width:100%;height:auto;margin:0 auto}\n.gy-desc-gic75lb08 a{color:#a42823;text-decoration:underline;text-underline-offset:2px}\n.gy-desc-gic75lb08 .gy-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center}\n.gy-desc-gic75lb08 .gy-grid \u003e *{min-width:0}\n.gy-desc-gic75lb08 .gy-top,.gy-desc-gic75lb08 .gy-block{padding:18px 0;border-bottom:1px solid #e1e6e9}\n.gy-desc-gic75lb08 .gy-top{padding-top:4px}\n.gy-desc-gic75lb08 .gy-visual{padding:10px;text-align:center}\n.gy-desc-gic75lb08 .gy-kicker{letter-spacing:.06em;text-transform:uppercase;color:#556572;font-size:.83em;font-weight:700}\n.gy-desc-gic75lb08 .gy-note{background:#fff9ed;border-left:4px solid #dca139;padding:14px 18px;margin:18px 0;border-radius:3px}\n.gy-desc-gic75lb08 .gy-support{background:#f2f8f8;border:1px solid #d8e7e5;border-radius:7px;padding:18px 21px;margin:15px 0}\n.gy-desc-gic75lb08 .gy-muted{color:#586772}\n.gy-desc-gic75lb08 .gy-small{font-size:.84em;color:#586772}\n.gy-desc-gic75lb08 .gy-data{border-collapse:collapse;width:100%;font-size:.94em}\n.gy-desc-gic75lb08 .gy-data th,.gy-desc-gic75lb08 .gy-data td{padding:10px 11px;border-bottom:1px solid #e2e7ea;text-align:left;vertical-align:top;overflow-wrap:anywhere}\n.gy-desc-gic75lb08 .gy-data th{background:#f2f5f6;font-weight:600}\n.gy-desc-gic75lb08 .gy-spec th{width:39%}\n.gy-desc-gic75lb08 .gy-spec tr:nth-child(even) td{background:#fafbfc}\n.gy-desc-gic75lb08 .gy-model-group{border:1px solid #dae3e6;border-radius:6px;margin:9px 0;overflow:hidden}\n.gy-desc-gic75lb08 .gy-model-group summary{cursor:pointer;padding:13px 15px;font-weight:650;background:#f6f8f8;list-style-position:inside}\n.gy-desc-gic75lb08 .gy-model-group summary:hover{background:#edf3f3}\n.gy-desc-gic75lb08 .gy-count{float:right;font-weight:400;font-size:.9em;color:#5b6c77}\n.gy-desc-gic75lb08 .gy-scroll{overflow-x:auto}\n.gy-desc-gic75lb08 .gy-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}\n.gy-desc-gic75lb08 .gy-card{padding:12px 7px 10px;text-align:center}\n.gy-desc-gic75lb08 .gy-card h3{font-size:1.07em}\n.gy-desc-gic75lb08 .gy-card p{text-align:left}\n.gy-desc-gic75lb08 .gy-wide-img{margin:18px auto}\n.gy-desc-gic75lb08 video{display:block;width:100%;max-width:970px;height:auto;margin:15px auto;border-radius:6px}\n.gy-desc-gic75lb08 .gy-quick-models{background:#f3f6f8;padding:12px 15px;border-radius:5px}\n@media(max-width:720px){\n.gy-desc-gic75lb08 .gy-grid,.gy-desc-gic75lb08 .gy-cards{grid-template-columns:1fr;gap:11px}\n.gy-desc-gic75lb08 h2{font-size:1.38em}\n.gy-desc-gic75lb08 h3{font-size:1.15em}\n.gy-desc-gic75lb08 .gy-card{border-bottom:1px solid #e3e8e9}\n.gy-desc-gic75lb08 .gy-data th,.gy-desc-gic75lb08 .gy-data td{padding:9px 7px}\n.gy-desc-gic75lb08 .gy-model-group summary{padding:12px 10px}\n.gy-desc-gic75lb08 .gy-count{float:none;display:inline-block;margin-left:7px}\n}\n.gy-desc-gic75lb08 .gy-visual img{max-height:420px;object-fit:contain}\n.gy-desc-gic75lb08 .gy-smallprint{font-size:.88em;color:#586772}\n.gy-desc-gic75lb08 .gy-unboxing{max-width:970px;margin:20px auto 26px;padding:16px 0;border-top:1px solid #e1e6e9;border-bottom:1px solid #e1e6e9}\n.gy-desc-gic75lb08 .gy-unboxing h3{margin:5px 0 11px}\n.gy-desc-gic75lb08 .gy-unboxing video{margin:13px auto}\n\n.gy-desc-gic75lb08 .gy-photo-label{font-size:.9em;text-align:center;color:#586772;margin:8px auto 0}\n.gy-desc-gic75lb08 .gy-intro-video{display:block;max-width:970px;margin:0 auto}\n.gy-desc-gic75lb08 .gy-models td:first-child{font-weight:600}\n.gy-desc-gic75lb08 .gy-data td{overflow-wrap:anywhere}\n.gy-desc-gic75lb08 .gy-video-fallback{font-size:.9em}\n.gy-desc-gic75lb08 .gy-unboxing video{background:#f2f5f6;aspect-ratio:16\/9;object-fit:contain}\n\n\n.gy-desc-gic75lb08 .gy-wide-img{max-width:970px}.gy-desc-gic75lb08 .gy-wide-img img{width:100%;max-width:970px}.gy-desc-gic75lb08 figure{margin-left:auto;margin-right:auto}\n\u003c\/style\u003e\n\u003cdiv class=\"gy-desc-gic75lb08\" lang=\"en-US\"\u003e\n\u003csection class=\"gy-top\"\u003e\n\u003ch2\u003eGIC75LB08 LED Backlight Strips for TCL 75S421, 75S423 \u0026amp; 75S425\u003c\/h2\u003e\n\u003cdiv class=\"gy-grid\"\u003e\n\u003cdiv class=\"gy-visual\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0778\/4353\/0021\/files\/75S421_6583f55f-587c-4e52-9244-f5d1d1e81d55.jpg?v=1789976897\" alt=\"GuuYebe GIC75LB08 12-piece LED backlight strip replacement set for select TCL 75-inch 75S421 75S423 75S425 TVs\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp class=\"gy-kicker\"\u003eGuuYebe TV LED backlight replacement\u003c\/p\u003e\n\u003ch3\u003eGIC75LB08 Backlight Set for Select TCL 75-Inch TVs\u003c\/h3\u003e\n\u003cp\u003eThis GuuYebe replacement LED backlight set is listed for select TCL 75-inch LED\/LCD televisions, including the 75S421, 75S423, and 75S425 families. Its primary replacement reference is \u003cstrong\u003eGIC75LB08\u003c\/strong\u003e, with \u003cstrong\u003e3030F2.1D V1.1\u003c\/strong\u003e and \u003cstrong\u003e4C-LB7507-ZM031\u003c\/strong\u003e appearing in the supplied part-number information. Check your original strip markings, LED layout, length, connectors, and mounting points before ordering.\u003c\/p\u003e\n\u003ch4\u003eProduct Information\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrip length:\u003c\/strong\u003e 850 mm (33.46 in) per strip, as listed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED count:\u003c\/strong\u003e 7 LED beads per strip\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndividual LED voltage:\u003c\/strong\u003e 6 V per bead (as listed)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage includes:\u003c\/strong\u003e 1 set of 12 LED backlight strips\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"gy-block\"\u003e\n\u003ch2\u003eCompatible TCL 75-Inch TV Models\u003c\/h2\u003e\n\u003cdiv class=\"gy-grid\"\u003e\n\u003cdiv\u003e\n\u003ch3\u003eCommon TCL 75S421, 75S423 \u0026amp; 75S425 References\u003c\/h3\u003e\n\u003cp\u003eUse the full model number on your television’s rear label to find the matching row below. The supplied fitment list includes the three base model families and their listed model-suffix variations. The source marks the three base models “ALL VERSIONS”; still confirm that the physical GIC75LB08 strips in your TV match this product.\u003c\/p\u003e\n\u003cdiv class=\"gy-scroll\"\u003e\n\u003ctable class=\"gy-data gy-quick-models\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eTCL TV model\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eListed version(s)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e75S421\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eAll versions (listed)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e75S423\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eAll versions (listed)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e75S425\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eAll versions (listed)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gy-visual\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0778\/4353\/0021\/files\/GIC75LB08_3030F2.1D_V1.1.jpg?v=1789976897\" alt=\"GIC75LB08 TCL 75S421 75S423 75S425 backlight strip model and identification reference photo\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gy-note\"\u003e\n\u003cstrong\u003eImportant fitment check:\u003c\/strong\u003e TCL TVs with similar model names can contain different backlight assemblies. Compare \u003cstrong\u003eGIC75LB08 3030F2.1D V1.1\u003c\/strong\u003e, \u003cstrong\u003e4C-LB7507-ZM031\u003c\/strong\u003e, the 850 mm strip length, seven-LED pattern, connector, and mounting-hole layout against the original. “All versions” is retained as stated in the provided fitment source; it is not a substitute for matching the installed parts.\u003c\/div\u003e\n\u003ch3\u003eComplete Known-Models List — 9 TCL Model Identifiers\u003c\/h3\u003e\n\u003cp\u003eAll nine identifiers from the supplied compatibility file are shown below, including the source’s version annotations. “Not specified” indicates the source did not provide a separate version entry for that model; it does not imply that every variation is compatible.\u003c\/p\u003e\n\u003cdetails class=\"gy-model-group\"\u003e\n\u003csummary\u003eTCL 75S421 series \u003cspan class=\"gy-count\"\u003e1 model\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"gy-scroll\"\u003e\n\u003ctable class=\"gy-data gy-models\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eTCL TV model\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eListed version(s)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e75S421\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eAll versions (listed)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"gy-model-group\"\u003e\n\u003csummary\u003eTCL 75S423 series \u003cspan class=\"gy-count\"\u003e2 models\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"gy-scroll\"\u003e\n\u003ctable class=\"gy-data gy-models\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eTCL TV model\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eListed version(s)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e75S423\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eAll versions (listed)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e75S423LFAA\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"gy-model-group\"\u003e\n\u003csummary\u003eTCL 75S425 series \u003cspan class=\"gy-count\"\u003e6 models\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"gy-scroll\"\u003e\n\u003ctable class=\"gy-data gy-models\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eTCL TV model\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eListed version(s)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e75S425\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eAll versions (listed)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e75S425LACA\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e75S425LBAA\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e75S425LBCA\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e75S425LGBA\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e75S425LIAA\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"gy-muted\"\u003eNot specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdiv class=\"gy-support\"\u003e\n\u003ch3\u003eFitment Support Before Ordering\u003c\/h3\u003e\n\u003cp\u003eNot sure whether your TCL 75S425, 75S423, or 75S421 uses the GIC75LB08 backlight set? Send us your TV’s full model and version, plus clear photos of the original strips and printed codes at \u003ca href=\"mailto:support@guuyebe.com\"\u003esupport@guuyebe.com\u003c\/a\u003e. We can help compare them with this listing before you order.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"gy-block\"\u003e\n\u003ch2\u003eProduct Parameters and Part Number Identification\u003c\/h2\u003e\n\u003cdiv class=\"gy-grid\" style=\"align-items: start;\"\u003e\n\u003cdiv\u003e\n\u003ctable class=\"gy-data gy-spec\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePrimary Replacement Reference\u003c\/th\u003e\n\u003ctd\u003eGIC75LB08\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePart Type\u003c\/th\u003e\n\u003ctd\u003eLED backlight strips\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePart Usage\u003c\/th\u003e\n\u003ctd\u003eLED\/LCD TV backlight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eStrip Length\u003c\/th\u003e\n\u003ctd\u003e850 mm (33.46 in) per strip, as listed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eLED Beads\u003c\/th\u003e\n\u003ctd\u003e7 per strip\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eIndividual LED Voltage\u003c\/th\u003e\n\u003ctd\u003e6 V per bead (as listed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePackage Contents\u003c\/th\u003e\n\u003ctd\u003e12 LED backlight strips (1 set)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ctable class=\"gy-data gy-spec\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eVisible \/ Board Reference Codes\u003c\/th\u003e\n\u003ctd\u003eGIC75LB08 3030F2.1D V1.1 20181016\u003cbr\u003eE466169\u003cbr\u003e4C-LB7507-ZM031\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePanel References as Listed\u003c\/th\u003e\n\u003ctd\u003eLVU750NDBL MD9W00 V1\u003cbr\u003e08-75V6000-LPN001A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003e180-Day Warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"gy-note\"\u003e\u003cstrong\u003eBefore ordering:\u003c\/strong\u003e These printed markings, panel references, and specifications are taken from the supplied product information. A shared model number or partial code alone cannot establish interchangeability. Confirm your original strips’ dimensions, seven-LED spacing, connector orientation, and mounting points.\u003c\/p\u003e\n\u003cfigure class=\"gy-wide-img\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0778\/4353\/0021\/files\/GuuYebe_75S421_75S423_75S425_LED_Backlight_Strips_for_75_inch_TV_3030F2.1D_GIC75LB08.jpg?v=1750685929\" alt=\"GIC75LB08 3030F2.1D V1.1 TCL 75-inch LED backlight strip product identification photo\" loading=\"lazy\" decoding=\"async\" style=\"width: 100%; max-width: 970px;\"\u003e\n\u003cfigcaption class=\"gy-photo-label\"\u003eProduct identification photo — check the strip layout, printed codes, and attachment points against the parts removed from your TV.\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003cfigure class=\"gy-wide-img\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0778\/4353\/0021\/files\/GIC75LB08_cd1739a1-a644-47df-a643-e4e64ee798fa.jpg?v=1789976898\" alt=\"GIC75LB08 4C-LB7507-ZM031 additional strip board reference and seven LED layout photo\" loading=\"lazy\" decoding=\"async\" style=\"width: 100%; max-width: 970px;\"\u003e\n\u003cfigcaption class=\"gy-photo-label\"\u003eAdditional product reference image — compare the length, connector end, and LED pattern with your original assembly.\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003csection class=\"gy-unboxing\"\u003e\n\u003ch3\u003eGIC75LB08 LED Backlight Strips Unboxing Video\u003c\/h3\u003e\n\u003cp\u003eSee the GuuYebe GIC75LB08 replacement backlight set in the product video. Use the video together with the photos above to check the included strip appearance, printed references, and connector positions.\u003c\/p\u003e\n\u003cvideo controls=\"controls\" playsinline=\"\" preload=\"none\" poster=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0778\/4353\/0021\/files\/GuuYebe_75S421_75S423_75S425_LED_Backlight_Strips_for_75_inch_TV_3030F2.1D_GIC75LB08.jpg?v=1750685929\"\u003e\u003csource src=\"https:\/\/cdn.shopify.com\/videos\/c\/o\/v\/3c0ce8f234b14a90bf8296b7a5086e79.mp4\" type=\"video\/mp4\"\u003eYour browser does not support HTML5 video.\u003c\/source\u003e\u003c\/video\u003e\n\u003cp class=\"gy-small\"\u003eThe product video is provided as a visual reference. Confirm part compatibility against the actual strips installed in your TV.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c\/section\u003e\n\u003csection class=\"gy-block\"\u003e\n\u003ch2\u003eLED Backlight Strip Details\u003c\/h2\u003e\n\u003cdiv class=\"gy-cards\"\u003e\n\u003cdiv class=\"gy-card\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0778\/4353\/0021\/files\/MD9W00.jpg?v=1789976897\" alt=\"GIC75LB08 TCL backlight strip LED beads and optical lens detail\" loading=\"lazy\" decoding=\"async\"\u003e\n\u003ch3\u003eLED Beads and Optical Lenses\u003c\/h3\u003e\n\u003cp\u003eThe supplied listing specifies seven LED beads per strip, with each bead listed at 6 V. Compare the lens positions and spacing with your TV’s original GIC75LB08 assembly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gy-card\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0778\/4353\/0021\/files\/75V6000.jpg?v=1789976897\" alt=\"GIC75LB08 TCL 75S425 backlight strip connector interface detail\" loading=\"lazy\" decoding=\"async\"\u003e\n\u003ch3\u003eConnector Interface\u003c\/h3\u003e\n\u003cp\u003eCheck connector shape, polarity, contact arrangement, and orientation before fitting the new strips. Do not assume a visually similar plug is electrically compatible.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gy-card\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0778\/4353\/0021\/files\/LVU750NDBL.jpg?v=1789976897\" alt=\"GIC75LB08 TCL backlight strip aluminum backing and mounting-hole detail\" loading=\"lazy\" decoding=\"async\"\u003e\n\u003ch3\u003eBacking and Mounting\u003c\/h3\u003e\n\u003cp\u003eThe supplied listing describes an aluminum backing for mounting and heat transfer. Compare the 850 mm length and mounting-hole locations with the original strips to help avoid fitment problems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"gy-block\"\u003e\n\u003ch2\u003eTCL TV Has Sound but No Picture? Check the Backlight\u003c\/h2\u003e\n\u003cp\u003eIf your TCL TV has sound but the screen stays dark, the LED backlight is one possible cause. With the TV turned on, shine a flashlight onto the display at an angle. A faint image can indicate that an LCD picture is present without enough backlight illumination, but it does not by itself prove the LED strips are defective; the backlight driver or other circuitry may also require testing.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/guuyebe.com\/blogs\/tv-issues\/tv-has-sound-but-no-picture\"\u003eTV Has Sound But No Picture – Diagnosis Guide\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/guuyebe.com\/blogs\/news\/replacement-tv-light-strip-using-tv-model-ua55ju5920jxxz-as-an-example\"\u003eHow to Replace TV LED Backlight Strips – General Replacement Guide\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection class=\"gy-block\"\u003e\n\u003ch2\u003eTV LED Backlight Strip Replacement Process Video\u003c\/h2\u003e\n\u003cp class=\"gy-muted\"\u003eThis general replacement walkthrough is retained from the supplied GuuYebe template. It is not a model-specific TCL 75S421, 75S423, or 75S425 installation video. TV disassembly involves fragile LCD glass and electrical hazards; unplug the television and follow appropriate repair procedures.\u003c\/p\u003e\n\u003cvideo controls=\"controls\" playsinline=\"\" preload=\"none\" poster=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0778\/4353\/0021\/files\/GuuYebe_Video_Photo.jpg?v=1789183869\"\u003e\u003csource src=\"https:\/\/cdn.shopify.com\/videos\/c\/o\/v\/0d0e812417404634a02ef8e0deef5f9d.mp4\" type=\"video\/mp4\"\u003eYour browser does not support HTML5 video.\u003c\/source\u003e\u003c\/video\u003e\u003c\/section\u003e\n\u003c\/div\u003e","brand":"GuuYebe","offers":[{"title":"Default Title","offer_id":50632181481765,"sku":"103138","price":57.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/4353\/0021\/files\/75S421.jpg?v=1750686146"}],"url":"https:\/\/guuyebe.com\/collections\/tcl.oembed","provider":"GuuYebe","version":"1.0","type":"link"}