Chapter 6- Trouble Shooting; N Opower & Led Off - Acer AL1917W Service Manual

Acer
1. No Power & LED Off
Check primary
rectifier voltage
Check pin6 of
IC802 voltage
about 12V
Check pin2 of IC802
voltage about 3V
Check pin1 of IC802
voltage is below 1V

Chapter 6- TROUBLE SHOOTING

No power
END
Check circuit
if short
Check F801, P801,
RT,801,D801
CheckC810,D803,C807,
Check primary OVP, OLP
and secondary feedback,
OVP circuit
Check R811, R810,
R809, R808,R814
20
Service Manual
Check IC802,
C804, T801,