TCL LED TV Power Supply Board

If your television fails to turn on entirely, shuts down shortly after powering up, or displays a dim or flickering image, it is often a sign of a failing power supply board. These symptoms suggest the board is struggling to convert AC voltage into the stable DC power your TV's internal components need to function.

No, this specific board is only compatible with models 55S41, 55S451, 55S453, and 55S455. Always check your TV's specific model number on the back panel sticker before purchasing to ensure a correct match.

Installation is straightforward and typically requires only a standard Phillips-head screwdriver to remove the TV's back panel. Once the panel is off, you simply unplug the existing cables, unscrew the faulty board, and swap it with the new one.

If the TV still won't power on after replacing the board, the issue may lie with the main logic board or the LED backlight strips. This power supply board comes with a 180-day warranty, so if you suspect the part itself is defective, you can reach out for a replacement.

Yes, provided you unplug the television from the wall outlet and allow it to sit for several minutes to discharge any residual electricity before opening the back panel. Always handle the board by its edges to avoid static damage to the sensitive components.