LG Flatron L1710B

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4. TROUBLE IN DPM
TROUBLE IN DPM
TROUBLE IN PC
CHECK PC
PC IS NOT GOING
INTO DPM OFF MODE
NO
TROUBLE IN
X201
NO
TROUBLE IN
SIGNAL CABLE
NO
YES
YES
YES
CHECK
U203 PIN 152
WAVEFORM
(20MHz) ?
CHECK
R711, R712
(SYNC) ?
CHECK
U203 PIN 44
(0V) ?