LED Television Backlight Strips K420WD A3 2021-12-30 4708-K420WD-A3216K01 for 42-inch and 43-inch TV
It is suitable for various TV models such as Leader LE42TX5, LE42D59, 42CE3200D, etc. It can also be adapted to screens like K420WD6 and K420WD7.
- Product Information
Our LED TV backlight strips are the perfect OEM replacement, designed for cost-effective and reliable repair solutions. Featuring identical connector shapes and voltage specifications as the original parts, these strips ensure plug-and-play installation with zero modification—100% compatibility guaranteed. Built with premium LED chips, they deliver uniform brightness and extended lifespan, eliminating screen dark spots or flickering issues.
LED TV backlight strips Parameters：
| Model number: | K420WD A3 2021-12-30 4708-K420WD-A3216K01 |
| TV inches: | LE42TX5,LE42D59,42CE3200D |
| Length: | 410MM |
| Bulbs: | 5LED |
| Voltage: | 3V |
| Full set: | 10 pcs/set |
| Material: | Aluminum |
| Brightness: | 400 ~ 600 nits |
| Lifespan (hours)： | 50,000 ~ 60,000 |
| Lens: | Original from Korea/Made in China |
| Code: | XR1051 |
LED TV Backlight strips Parameters：
The 4708-K420WD-A3216K01 backlight strips are meticulously engineered for 42-inch televisions, with each strip measuring approximately 40.8 centimeters in length. This precise dimension ensures seamless integration with the TV’s frame, avoiding gaps or overlaps that could affect light distribution. A standard set typically includes 10 strips, arranged in parallel to cover the entire screen uniformly.The length, width and height of each strip are meticulously designed to facilitate installation within the narrow space between the TV panel and the rear cover.
Circuit Board: Constructed from high-grade aluminum, offering excellent thermal conductivity . This material efficiently dissipates heat generated by LEDs, preventing overheating and extending the strip’s lifespan.
Protection Features:The circuit board includes overcurrent protection resistors (10Ω) and anti-static components, safeguarding against voltage fluctuations and electrostatic damage.
Compatibility Parameters
Screen Compatibility: Designed to match K420WD series screens, including K420WD6, K420WD7, and K420WD A3 panels.
TV Model Compatibility: Verified for use with multiple brands and models, such as Leader LE42TX5, TCL LE42D59, Sanyo 42CE3200D, and Hisense 42K20JD, reducing the need for model-specific customization.
LED TV Backlight strips FAQ：
Q: How about the quality of the backlight strip?
A: Our products undergo a rigorous quality control process consisting of 6 inspection stages. Ensuring that all products meet strict quality standards.
Q: How about the factory output?
A: Our production are very huge, can reached more than 60,000, and support customization, look forward to cooperating with you.
Q: What about the lead time?
A:Samples take 3-5 days, and mass production takes 7-14 days—with factory-direct pricing lower than market rates due to our large-scale production and no middlemen to carry out secondary sales.
