Sony KDE50XBR950 Service Manual page 10

Panel Alarm
Alarm
Protection
Vs Protection
No Picture
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.
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
8
REWORK
We can not rework this.
REWORK
We can not rework this.
REWORK
Change the Scan, Common
board and Scan relay board.