Sharp AN-60KT Service Anleitung Seite 30

PG-M25X
Checking of Power Unit
Are connectors in the power unit
completely inserted?
Yes
Is the lamp door closed
completely?
Yes
Does the temperature
fuse function?
Yes
Is AC voltage applied across relay
RL701?
Yes
Is there DC voltage of about 6V at
pin (1) of CN7002?
Yes
Is there DC voltage of about 370V
across CN702?
Yes
Is there rated voltage at the output
terminals of CN702 and CN7102?
Yes
Check the PWB circuits of relevant
output sides.
Insert the connectors CN702,
No
CN704, CN7003, CN7001,
CN7004 and CN7101 completely.
No
Close the lamp door completely by
screws.
No
Replace the fuse as well as its
harness.
No
Replace F701.
Check Q7501, Q7502 and Q7503
No
and their peripheral circuits. If any
circuit is damaged, replace it.
Check the circuits connected to the
No
primary side of T701. If any circuit
is damaged, replace it.
Check the circuits connected to the
No
secondary side of T701. If any
circuit is damaged, replace it.
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