Sony KE-42MR1, KE-42MR1E, KE-42MR42M1 Alarm Protection Panel Alarm FPC Opened, Panel Grid Opened

Models: KE-42MR1, KE-42MR1E, KE-42MR42M1

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Alarm

Protection

Panel Alarm FPC Opened

Panel alarm line go through the edge of the FPC.

CHECK POINT

FPC cutting at scan side and TCP side.

Panel Grid Opened

Panel alarm line go through the edge of panel.

This case is caused by sulfur issue.

CHECK POINT

Panel Grid condition.

REWORK

We can not rework this.

REWORK

We can not rework this.

Vs Protection High Voltage Circuit Broken

Next parts will be broken, Scan

Board, Common Board, High Voltage

Board, Scan Relay Board.

CHECK POINT

Fuse on boards, Power HIC, Between NEGA and POSI on scan relay board

REWORK

Change the Scan, Common board and Scan relay board.

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Sony KE-42MR1, KE-42MR1E, KE-42MR42M1 service manual Alarm Protection Panel Alarm FPC Opened, Panel Grid Opened, No Picture