NEC MultiSync LCD1700NX A Service Manual page 84

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Check I319, I320 all LVDS
signal pins.
NG
OK
Check SDRAM IC clk signal
output to I318, I316, I317 pin
35 from I315 pin T3.
NG
OK
Check all Data/Address pins
signal between I315 and I316,
I317, I318.
NG
OK
Process "Checking the IC
Resolution Change Movement"
section.
1) I319, I320 failure.
2) Printed wire broke between I319, I320 and P307.
1) R396 open.
2) Printed wire broke between I318, I316, I317 pin 35 and
I315 pin T3.
3) I315 failure.
1) Printed wire broke between I318, I316, I317 and I315.
2) I315 failure
3) I318, I316, I317 failure
6-9
Failure point
Failure point
Failure point