EBR37739401 LG Power Supply Board - OLED65C3AUA

The EBR37739401 is an OEM LG replacement power supply board compatible with the OLED65C3AUA. Board numbers LGPS65C3-23OP | EAX69990104(1.0). This power supply board resolves common symptoms including no power / TV won't turn on, unexpected shutdowns, standby light blink with no startup, and audio or input failures caused by inadequate power delivery. Verify the part number and board number on the white sticker of your original board before ordering.

Specifications & Board Identifiers

• Part Number: EBR37739401
• PBA / Board Numbers: LGPS65C3-23OP | EAX69990104(1.0)
• Compatible Models: OLED65C3AUA
• Substitute Parts: EAY65904023, EAY65904024
• Product Type: Power Supply Board

Common TV Symptoms Fixed

• No Power / TV Won't Turn On: TV is completely unresponsive or dead with no standby light
• Unexpected Shutdown: TV turns off on its own shortly after powering on
• Standby Blink / No Startup: Standby light blinks repeatedly but TV never fully starts
• Audio / Input Failure: Insufficient power delivery causing no sound or unresponsive inputs

Fitment & Ordering Guidelines

• Verify the white sticker part number and PCB number on your existing board match EBR37739401 / LGPS65C3-23OP or EAX69990104(1.0)
• Confirm your TV model matches OLED65C3AUA
• Basic electronics experience recommended for installation — ensure TV is unplugged before replacing internal components
• If this part is unavailable, compatible substitutes are EAY65904023 and EAY65904024

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