{"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 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#e2e7ea;text-align:left;vertical-align:top;overflow-wrap:anywhere}\n.gy-desc-4clb5504yh .gy-data th{background:#f2f5f6;font-weight:600}\n.gy-desc-4clb5504yh .gy-spec th{width:39%}\n.gy-desc-4clb5504yh .gy-spec tr:nth-child(even) td{background:#fafbfc}\n.gy-desc-4clb5504yh .gy-model-group{border:1px solid #dae3e6;border-radius:6px;margin:9px 0;overflow:hidden}\n.gy-desc-4clb5504yh .gy-model-group summary{cursor:pointer;padding:13px 15px;font-weight:650;background:#f6f8f8;list-style-position:inside}\n.gy-desc-4clb5504yh .gy-model-group summary:hover{background:#edf3f3}\n.gy-desc-4clb5504yh .gy-count{float:right;font-weight:400;font-size:.9em;color:#5b6c77}\n.gy-desc-4clb5504yh .gy-scroll{overflow-x:auto}\n.gy-desc-4clb5504yh .gy-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}\n.gy-desc-4clb5504yh .gy-card{padding:12px 7px 10px;text-align:center}\n.gy-desc-4clb5504yh .gy-card h3{font-size:1.07em}\n.gy-desc-4clb5504yh .gy-card p{text-align:left}\n.gy-desc-4clb5504yh .gy-wide-img{margin:18px auto}\n.gy-desc-4clb5504yh 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","url":"https:\/\/guuyebe.com\/products\/tcl-4c-lb5504-yh-4c-lb5505-yh-led-backlight-strips","provider":"GuuYebe","version":"1.0","type":"link"}