1-004-424-81 Sony GL03DP Power Supply Board K-85S30

Sony 1-004-424-81 (100442481) LED TV Power Supply Board, board number AP-P484BM-1 B, version GL03DP, for Sony K-85S30 and K-85S30C televisions. Replaces a failed power supply causing no power, no backlight, unexpected shutdowns, or blinking standby light.

Specifications & Board Identifiers

• Part Number: 1-004-424-81 (100442481)
• Board Number(s): AP-P484BM-1 B | 100442481
• Product Type: LED TV Power Supply Board
• Brand: Sony
• Compatible TV Model(s): K-85S30, K-85S30C, K85S30, K85S30C
• Supported Version(s): GL03DP

Important: match the version code on your TV's back sticker to the version listed above. Boards with different version codes may not function correctly.

Common TV Symptoms Fixed

• TV will not power on at all
• Standby light blinks (for example 2 RED blinks) and the set never starts
• TV shuts off unexpectedly or reboots on its own
• No backlight while audio still plays
• Clicking or relay sounds from the power board with no picture

Fitment & Ordering Guidelines

• Check the white sticker on your original power supply board and confirm the part number 1-004-424-81 or 100442481.
• Confirm the PCB/board number AP-P484BM-1 B printed on the board itself.
• Confirm your full model number including suffix on the TV's rear label, and confirm the version code GL03DP.
• Unplug the TV and let it sit several minutes before service. Power boards can hold a charge.
• Handle the board by its edges and use an ESD strap or ground yourself before touching components.
• Reseat every connector fully and route cables exactly as removed.

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