Acer
Chapter 6- TROUBLE SHOOTING
1. No Power & LED Off
No power &
LED off
Yes
Check primary
rectifier voltage
Yes
Check pin1 of
IC805 voltage if
under 7.2V
Yes
Check D815、 T803、
C843、 C844、 L805、
F803
Yes
END
No
Check circuit
if short
Yes
Check F801、 P801、
D801、RT801
Check Pin6 of
No
IC805 voltage
12V
Yes
No
Check loading
circuit is short
19
Service Manual
No
Check IC805、
T803、Q805
Check R859、
No
R860、IC805、
C837