Service Manual
Chapter 2. Testing Procedures
a. Testing flow chart
START
F
Check VCC +5V
T
F
Check REG2
Pin 2 +3.3V
T
F
Check REG5
Pin 2 +2.5V
T
F
Check REG3
Pin 2 +3.3V
T
F
Check REG4
Pin 2 +1.8V
T
A
REPLACE ADAPTER
REPLACE REG2
REPLACE REG5
REPLACE REG3
REPLACE REG4
Version 1.0
Page 3
