EBU67646399 LG Main Board OLED55B4

Product Description

LG EBU67646399 LED TV Main Board (EBU67646399)

• Part Number: EBU67646399 (EBU67646399)
• Board Number(s): EBU67646399
• Product Type: LED TV Main Board
• Compatible TV Model(s):

  OLED55B4PUA

The LG EBU67646399 is the OEM main board for compatible LG OLED televisions. The main board controls core TV functions including video processing, smart platform operation, and input/output management. A faulty main board can cause symptoms such as no picture, no sound, failure to power on, or unresponsive inputs — replacing it with this OEM part restores full functionality.

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Key Features

• OEM LG replacement — guaranteed compatibility
• Resolves no picture, no sound, and power failure issues
• Plug-and-play installation — no soldering required
• Restores full smart TV and input functionality

Important Notes

• Verify your exact model number before ordering
• Installation requires basic electronics handling — discharge static before touching the board
• This is the main board only — no additional components included
• If symptoms persist after replacement, additional components may be at fault