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LG EBT66914903 (EBT66914903) OLED TV Main Board

• Part Number: EBT66914903 (EBT66914903)
• Board Number(s): EAX69787503(1.0)
• Product Type: OLED TV Main Board
• Compatible TV Model(s):

OLED77G2PUA DUSQLJR

Product Description

This LG EBT66914903 main board serves as the central processing unit for your OLED television, controlling all essential functions including picture processing, audio output, input selection, and smart TV features. When your TV displays a blank screen, shows no picture but has sound, experiences HDMI connectivity issues, or fails to respond to remote commands, a faulty main board is often the root cause. This genuine LG replacement part restores full functionality to your television, resolving issues with picture quality, input switching, app performance, and overall system responsiveness.

Key Features

• Genuine LG replacement part ensuring perfect compatibility and reliability
• Resolves common issues including no picture, HDMI problems, and smart TV malfunctions
• Compatible with LG OLED77G2PUA 77-inch OLED model in DUSQLJR version
• Controls all critical TV functions including video processing and smart features
• Board number EAX69787503(1.0) for precise identification and compatibility verification

Important Notes

• Always unplug your television and discharge capacitors before beginning any repair work
• Verify your TV model number and version (DUSQLJR) match exactly before ordering
• Part number 66914903 is located on the white barcode label
• Take photos of all cable connections and ribbon cable orientations before disconnecting the old board
• Main board replacement requires technical expertise - consult a qualified technician if unsure
• Handle the board by its edges, avoid touching components, and use an anti-static wrist strap