XG-C50XE (serv.man11). Troubleshooting - Sharp Projector Service Manual (repair manual). Page 2

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30
XG-C50X
No
Other
No
Yes
No
Yes
BU5.3V
Yes
Yes
Yes
Yes
Yes
No
No
No
No
Checking the power unit
There is no voltage output at 
CN708
Which output voltage line fails?
Is AC voltage(90~264V)applied 
across the CN701 connector?
Is AC voltage(90~264V)applied 
across the CN706 connector?
Is the fuse F701 open?
Is the resistor R702 open?
Is the Bimetal SW open
Replace Inlet unit.
Check the Output PWB unit
Check the T703, IC703, IC705, 
IC706 and their peripheral circuits.
Check the CN701 or AC cord.
Is the resistor R775 open?
Replace Power unit.
Replace the R775.
Replace the F701.
Replace the R702.
Push the red button of the bimetal.
TROUBLE SHOOTING TABLE (Continued)
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