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Single Line
The output of Scan IC
Horizontal
Scan Relay Board
Mis-contact between FPC and the
connector of scan relay board.
CHECK POINT
One line is no-lighting or lighting at
white signal.
CHECK POINT
The output of scan IC.
Reconnection.
The output of scan IC is fixed at low
level or high level.
This line is very clear and constant.
REWORK
Change the scan relay
board.
REWORK
Reconnect the FPC.