Acer V173 - Page 44

43
1. No Power & Power LED Off
No power
Check primary
rectifier voltage
Check IC802,
C804, T801
Check circuit
if short
Check F801, P801,
D801
Check pin7 of
IC802 voltage
about 13V
Check R806, R807,
R808,
Check pin8 of IC802
voltage about 2.5V
Check R808, R819,
Check pin2 of IC802
voltage is low
Check IC801 and
secondry feedback
END