Dell 2005FPW Service Manual - Page 17
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4. TROUBLE IN DPM TROUBLE IN DPM 9 10 CHECK R135, R137(SYNC) ? YES CHECK R144(SIGNAL DETECT) ? YES TROUBLE IN PC NO CHECK PC PC IS NOT GOING INTO DPM OFF MODE NO TROUBLE IN SIGNAL CABLE Waveforms 9 R135,R137-V-SYNC 10 R135,R137-H-SYNC - 17 -
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4. TROUBLE IN DPM
TROUBLE IN DPM
NO
NO
TROUBLE IN PC
CHECK PC
PC IS NOT GOING
INTO DPM OFF MODE
TROUBLE IN SIGNAL CABLE
YES
YES
CHECK
R135, R137(SYNC) ?
CHECK
R144(SIGNAL DETECT)
?
10
9
9
Waveforms
R135,R137-V-SYNC
10
R135,R137-H-SYNC