LG Flatron LB700G-GD Service Manual page 14

3. NO CLOCK (CLOCK GENERATOR)
NO DOT CLOCK
YES
CHECK
X201 20MHz ?
TROUBLE IN DPM
CHECK
R713, R715
(SYNC) ?
YES
CHECK
U203 PIN 102
WAVEFORM
(20MHz) ?
YES
CHECK
U203 PIN 34
(0V) ?
YES
TROUBLE IN PC
NO
4. TROUBLE IN DPM
NO
NO
NO
TROUBLE IN
X201
CHECK PC
PC IS NOT GOING
INTO DPM OFF MODE
TROUBLE IN
X201
TROUBLE IN
SIGNAL CABLE