9.2 No pow er on (II)
Page 12
Check the + 5V power is supplied
from power source.
NG
OK
Is LED turned on in amber
momentarily when a power button is
pushed?
NG
OK
Proceed "Checking the operation of
CPU".
Failure point
Power source failure.
Failure point
Power source failure.
A L C502
Trou bl e Sh ooti ng