LG Flatron L1953H - TROUBLE IN DPM

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4. TROUBLE IN DPM
TROUBLE IN DPM
NO
NO
TROUBLE IN U101
CHECK PC
PC IS NOT GOING
INTO DPM OFF MODE
CHECK H/V SYNC LINE
CHECK
R332, R333
CHECK
U101 PIN 27,28
SYNC PULSE ?
3
3
Waveforms
R332 H-Sync
3
R333 V-Sync
YES
YES