6-5
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Check the LOAD, POL, REV, CPV, OE of positive
polarity are ouput on CN2 pin 30, 31, 32, 37, 38.
OK
NG
Failure point
1) U3 failure.
2) Printed wire broke between U3 and
CN3 pin 30, 31, 32, 37, 38.
3)R69, 70, 71, 74, 75, L15,16, 17, 20
or L21 failure
Check the data signal output on CN3 and CN2 R, G,
B data pin.
OK
NG
Failure point
1) U3 failure.
2) Printed wire broke between
U3, CN2 and CN3 data line.
Failure point
The cable broke between CN2, CN3 and LCD module.
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