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Check the data enable of positive polarity are output on P301 pin 37.
O K
Check the data signal output on P301 R, G, B
data pin.
O K
Failure point
1) The cable broke between P301 and LCD
module.
2) LCD module failure.
N G
1) I305 failure.
2) Printed wire broke between I305 and P301 pin 37.
N G
1) I305 failure.
2) Printed wire broke between I305 and P301 data line
NEC-FA150ATUA
Failure point
Failure point
Trouble Shooting
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