Sharp PG-C45X Service Manual page 30

PG-C45X
TROUBLE SHOOTING TABLE (Continued)
Checking the power unit
There is no voltage output at
CN708
Yes
Which output voltage line fails?
BU5.3V
Is AC voltage(90~264V)applied
across the CN701 connector?
Yes
Is AC voltage(90~264V)applied
across the CN706 connector?
No
Is the fuse F701 open?
No
Is the resistor R702 open?
No
Is the Bimetal SW open
No
Replace Inlet unit.
No
Check the Output PWB unit
Other
Check the T703, IC703, IC705,
IC706 and their peripheral circuits.
No
Check the CN701 or AC cord.
Yes
Is the resistor R775 open?
No
Replace Power unit.
Yes
Replace the F701.
Yes
Replace the R702.
Yes
Push the red button of the bimetal.
30
Yes
Replace the R775.