LG Flatron W2284F - DPM Troubleshooting

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Only for training and service purposes
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4. TROUBLE IN DPM
TROUBLE IN DPM
TROUBLE IN IC200
CHECK PC
PC IS GOING
INTO DPM MODE
NO
CHECK H/V SYNC LINE
NO
YES
CHECK R407 AND
R408, SYNC
APPEARED?
CHECK
IC200 PIN 32,33
SYNC PULSE
YES
1
H-SYNC
2
V-SYNC
Waveforms
1
2