EBT66574901 LG Main Board for 75NANO85UNA | EAX68990204(1.2)

LG EBT66574901 main board for the LG 75NANO85UNA TV, with board number EAX68990204(1.2). This replacement main board may address startup, video, audio, or input problems when the original main board has been diagnosed as faulty. Match the exact part and board identifiers before ordering.

Specifications & Board Identifiers

• Brand: LG
• Part number: EBT66574901
• Board number: EAX68990204(1.2)
• Product type: Main Board
• Compatible TV model: 75NANO85UNA
• Board revision: 1.2. Match the white-sticker part number and board revision on your original board. A separate TV version code is not provided.

Common TV Symptoms Fixed

A diagnosed main-board fault may cause the following symptoms:

• TV fails to complete startup or repeatedly restarts.
• Missing picture or sound related to main-board signal processing.
• HDMI or other input functions fail to respond.

These symptoms can also have other causes. Confirm the fault before replacing the board.

Fitment & Ordering Guidelines

Verify the white-sticker part number EBT66574901, PCB/board number EAX68990204(1.2), full TV model suffix, and any version code against your original board and TV label. Model number alone is not enough to confirm compatibility. No substitute part numbers are confirmed in this listing.

Disconnect the TV from power before service. Internal components may retain hazardous voltage; installation should be performed by a qualified technician using proper ESD precautions. Handle the board by its edges and avoid touching circuitry or connector contacts.

75NANO85UNA compatible parts

Contact Me

Need help matching your part? ASK A QUESTION with your TV model and original board identifiers.