LG EBU66334401 OLED TV MAIN BOARD

Product Description

LG EBU66334401 OLED TV Main Board (EBU66334401)

• Part Number: EBU66334401 (EBU66334401)
• Board Number(s): EAX69532304(1.0), EBT66453902
• Product Type: OLED TV Main Board
• Compatible TV Model(s):

OLED77C1AUB DUSPLJR, OLED77C1PUB DUSPLJR

This is a genuine LG replacement main board for the 77" C1 OLED series. The main board manages core TV functions including input processing, smart TV features, and overall system operation. A faulty main board can cause symptoms such as no power, failure to boot, missing inputs, or erratic behavior. Replacing this board can restore full functionality to your television. Substitute part EBT66634903 may also be compatible.

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Key Features

• Genuine LG OEM replacement main board
• Controls core TV functions including inputs, smart features, and system operation
• Resolves no-power, boot failure, and input issues
• Compatible with OLED77C1AUB and OLED77C1PUB (version DUSPLJR)
• Direct plug-and-play replacement — no soldering required

Important Notes

• Verify your TV model and version (DUSPLJR) before ordering
• Substitute part EBT66634903 may also be compatible
• Disconnect TV from power before replacing the main board
• If unsure about compatibility, contact us before purchasing