LG EBT66642903 Main Board for OLED65C1 OLED55C1

LG EBT66642903 (EBT66642903) OLED TV Main Board

• Part Number: EBT66642903 (EBT66642903)
• Board Number(s): EBT66642903, EAX69775701(1.1)
• Product Type: LED TV Main Board
• Compatible TV Model(s):
• Substitutes: EBT66313001

OLED65C1AUB , OLED55C1AUB 

This LG EBT66642903 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.

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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 OLED65C1AUB and OLED55C1AUB OLED models
• Controls all critical TV functions including video processing and smart features
• Board numbers EBT66642903 and EAX69775701(1.1) 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 matches exactly before ordering
• Part number is located on the white barcode label for accurate identification
• 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