LG FLATRON L1520BM-AL*R - Page 17

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4. TROUBLE IN DPM
TROUBLE IN DPM
TROUBLE IN U501
CHECK PC
PC IS NOT GOING
INTO DPM OFF MODE
NO
CHECK H/V SYNC
LINE
NO
YES
YES
CHECK
R773, R775
(SYNC) ?
CHECK
U501 PIN 43.44
SYNC PULSE ?