Service manual

Page 13
AL1702
Continue
Check the 3.3V power are supplied on I302, pin2, 4.
OK
NG
Check if the voltage on I302 pin3 that is
power DC at 5V.
OK
Failure Point
I302 is failure
NG
Failure Point
1) Printed wire broke between P301 pin1,
2 and I302.
2) Check power board.
Check the 2.5V power are supplied on I302, pin2, 4.
Check if the voltage on I302 pin3 that is
power DC at 5V.
OK
Failure Point
I302 is failure
NG
Failure Point
1) Printed wire broke between P301 pin1,
2 and I302.
2) Check power board.
OK
NG
Next Page