Horizontal

 

 

 

 

The output of Scan IC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The output of scan IC is fixed at low

 

 

 

 

 

level or high level.

 

 

 

 

 

This line is very clear and constant.

 

 

 

 

 

 

 

Single Line

 

 

 

 

CHECK POINT

 

 

 

 

One line is no-lighting or lighting at

 

 

 

 

 

white signal.

 

 

 

 

 

 

 

Scan Relay Board

Mis-contact between FPC and the connector of scan relay board.

CHECK POINT

The output of scan IC.

Reconnection.

REWORK

Change the scan relay board.

REWORK

Reconnect the FPC.

17

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Image 19
Sony KE-42MR1, KE-42MR1E, KE-42MR42M1 service manual Scan Relay Board, Horizontal