XG-C455W (serv.man5). Troubleshooting Table - Sharp Projector Service Manual (repair manual). Page 4

Read Sharp XG-C455W (serv.man5) Service Manual online

XG-C455W/PG-C355W
5 – 4
Checking the power unit
There is no voltage output at P703?
NO
Check the Main PWB 
unit.
YES
Is AC voltage (90-264V) applied across the 
P801 connector?
NO
Check the P801 or AC 
Cord.
YES
Is AC voltage (90-264V) applied across the 
P701 connector?
NO
Is the resistor R729 
open?
YES
Replace R729.
YES
NO
Replace power unit?
Is the fuse F801 open?
YES
Replace the F801.
NO
Is the Bimetal SW open?
YES
Push the red button of 
the bimetal.
NO
Replace the Inlet unit.
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