Trouble Shooting Flow Chart; No Power - Acer AL512 Service Manual

AL512/513 Service Manual

10. TROUBLE SHOOTING FLOW CHART

10.1. NO POWER

Start
5V
on
C101
I101
Failed?
5V
on
C314,C319
9.2V
on
C308
18V on F102
-6V on
F103
Check 3~4V
Q107,C315,I108
N
Y
is
Y
N
N
Y
N
Y
N
Y
N
Y
-26-
Check
D804,D807,
I801,I802,I803
D801,F801
Replace
I101
Check
Q101,I107,Q114
Check
L111,D203,
I108,Q106
Check
Q108,I109,F102
Check
D201,D202,F103,
C302,Q105,I106
9/20/2002