LG Vizio 55.42T23.D02 (T320HVN01.1) LED Driver

SKU: 55.42T23.D02

$22.46 $24.96 -10%

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Description

LG / Vizio 55.42T23.D02 (T320HVN01.1) LED Driver Board

Location: 00o5

This replacement LED driver board is designed for LED-backlit LG and Vizio televisions that use part number 55.42T23.D02. The LED driver controls the power and brightness of the backlight strips and is a common replacement when the TV powers on but the screen remains dark, dim, or flickering.

Part & Board Numbers

Part Number: 55.42T23.D02
Board / Printed Numbers:
- T320HVN01.1

Always match the part number on your original board. Using the wrong LED driver can result in no backlight or improper operation.

Compatible TV Models

LG 42LS5700-UA
Vizio M420SL
Other models that use 55.42T23.D02 or T320HVN01.1 may also be compatible.

Common Symptoms of a Bad LED Driver

TV powers on but the screen is dark
Very dim picture or faint image visible only with a flashlight
Backlight flickers or fails to stay on
Intermittent or uneven brightness

These symptoms can also come from failing LED strips or a power supply. Proper diagnosis is recommended.

Installation & Handling Notes

Unplug the TV and allow several minutes for capacitors to discharge before opening it.
Use anti-static precautions when handling electronic boards.
Carefully reconnect all ribbon cables and harnesses; ensure they are fully seated.
Avoid bending the board or applying excessive force to connectors.

Condition & Testing

Professionally tested and confirmed fully functional.
Guaranteed working replacement for the listed part numbers.

Warranty & Returns

Warranty: 180-Day Warranty.
Returns accepted for boards that are unmodified, undamaged, and installed properly.
Please keep your original board until the repair is confirmed successful.