BenQ G700 Service Manual page 36

BenQ G700
Power trouble shooting_3
Unstable power
Check sampling
Circuit
Check the R pin
voltage of IC803
Check pin1 of
IC802 voltage
Check pin3 of
IC802 voltage
Check R810,
R811, R818
Check the C pin
voltage of IC803
Check R809, R808, R814,
Check D806, C815 if
Change R801, R805,
R822, R823, R817
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Service Manual
Change R810, R811,
Change IC803
short
Change D806,
C815