LG Flatron W1642C

- 17 -
4. TROUBLE IN DPM
TROUBLE IN DPM
TROUBLE IN U501
CHECK PC
PC IS GOING
INTO DPM MODE
NO
CHECK H/V SYNC LINE
NO
YES
CHECK R730 AND
R731, SYNC
APPEARED?
CHECK
U501 PIN27,28
SYNC PULSE
YES
1
H-SYNC
2
V-SYNC
Waveforms
1
2
Copyright 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only