We recommend matching the part number on your original part with the part number listed on this page to ensure compatibility.
While matching your model number is a great start, many models use variations of each part and they're not always interchangeable.
We include brief instructions in red text on some listings (also displayed below without the red font). Please look for these instructions to confirm any important info that you'll need to identify on your original part. Additionally, we highlight the part number in our photos.
Please don't hesitate to contact us with any questions. We're here to help!
PLEASE NOTE: This board is compatible with televisions with SVC code 49LW540S-UA.BUSWLJR (found on sticker on back of TV).
The eeprom you receive may be different from your original but it is a compatible replacement. All sales are FINAL and NO RETURNS will be accepted.
IMPORTANT:
These main boards can have multiple failures, in addition to the EEPROM.
If EEPROM replacement does not repair your board, there are likely additional problems.
Symptoms EEPROM replacement CAN fix:
- TV will not power on with remote/buttons when plugged-in
Symptoms EEPROM replacement CAN NOT Fix:
- TV turns on but has NO backlight
- TV turns on AND backlights are on, but has no video display at all
- HDMI issues
- Audio issues
Brand | Models | Versions |
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LG | 49LW540S-UA | BUSWLJR |
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