{"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\/products\/tcl-gic75lb08-led-backlight-strips","provider":"GuuYebe","version":"1.0","type":"link"}