Chapter 5 Trouble Shooting - Acer AT2002 Service Manual

Trouble Shooting
1. No Power
NO POWER
Check Power-board
CN201 pin1 12V, pin5 5V
Correct ??
Yes
Check FB14 3.3V
FB27 1.8V correct?
Change
M/B
Separate
power-board
No
Check CN201 pin1
12V, pin5 5V
Correct ??
Separate
I/O-board
Check CN201 pin1
12V, pin5 5V
Correct ??
Change
M/B
MB &
No
Yes
Yes
MB &
No
Chapter 5
Change
Power-board
Change
I/O-board