BenQ G2010WP - Page 36

36
Power trouble shooting_1
No Power & Power LED Off
No
p
ower
Check primary
rectifier volta
g
e
Check IC802,
C805, T801
Check circuit
if short
Check F801, P801,
D801
Check pin3 of
IC802 voltage
about 1V
Check R801, R805,
R822, R823, R817
Check pin2 of IC802
volta
g
e about 2V
Check R803, R807,
R824, R825
Check pin1 of IC802
volta
g
e is 5.8V
Check R812, R816,
C818
END