NEC MultiSync LCD1700NX A Service Manual page 80

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Check the data enable of positive
polarity are output on RN314 pin 6.
NG
OK
Check the data signal output on
I315 R, G, B data pin.
NG
OK
Check I319, I320 all LVDS signal
pins.
NG
OK
Failure point
1) The cable broke between P307 and LCD module.
2) LCD module failure.
Failure point
1) I315 failure
2) Printed wire broke between I315 and RN314 pin 6.
Failure point
I315 failure
1) I319, I320 failure
2) Printed wire broke between I319, I320 and P307.
6-5
Failure point