PG-A20X (serv.man12). Troubleshooting tables - Sharp Projector Service Manual (repair manual). Page 2

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32
PG-A20X
YES
YES
YES
YES
NO
Checking the power unit
Are the connectors CN701, 
CN702 and CN751 
inserted completely?
Insert the connectors 
CN701, CN702 and 
CN751 tightly?
Replace the bimetal 
NO
Replace F701.
NO
Check Q702 for damage. 
Replace as required.
NO
Is the bimetal switch off?
Is there AC voltage (110-
240V) applied across 
C701?
Disconnect the CN751 
connector. Is there 6V 
output at pins (3) and (4)?
Check the MAIN PWB for 
short-circuit. 
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