LG EAY65729401 Power Supply Board

The LG EAY65729401 (EAY65729401) is an OEM replacement LED TV Power Supply Board compatible with the LG 75NANO99UNA. This board ensures reliable power delivery to all internal TV components. A failing board commonly causes no power, unexpected shutdowns, or backlight failure. The partial part number 65729401 is printed on the white barcode label — verify before ordering.

Specifications & Board Identifiers

• Part Number: EAY65729401 (EAY65729401)
• PBA / Board Numbers: LGP75H-20SP | E247691 | EL57D657294010500 | E301791
• Compatible Models: 75NANO99UNA
• Supported Version: Check white sticker on your board to confirm version match
• Product Type: LED TV Power Supply Board

Common TV Symptoms Fixed

• No Power / Won't Turn On: TV is completely dead or shows no response when power button is pressed
• Intermittent Shutdowns: TV powers on but shuts off unexpectedly during use
• No Backlight: Screen is black but audio or other functions may still work
• Blinking Standby Light: Standby LED blinks repeatedly and TV will not boot

Fitment & Ordering Guidelines

• Verify partial part number 65729401 on your white barcode label matches before ordering
• Confirm your TV model is 75NANO99UNA before purchasing
• Basic electronics experience is recommended for installation
• Ensure TV is unplugged before replacing any internal components

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