XG-NV51XE (serv.man11). Trouble shooting table - Sharp Projector Service Manual (repair manual). Page 8

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37
XG-NV51XE/XM/XA
Checkig the Power Unit
There is no voltage output at 
EA connector.
Yes
No
No
No
No
No
Yes
Yes
Yes
Yes
Is there any other output 
voltage failure?
Is EA connector disconnected 
or loose?
Is AC voltage (85-264V) 
applied across the PA 
connector?
Is Q704 open?
Is there short-circuit between 
collector and emitter of Q752?
Reconnect the EA connector.
Replace F701.
Which output voltage line fails?
Replace ICP751.
Replace R752.
Replace Q752.
Replace PC702.
Replace IC702, T701 or Q704.
P-FAN Vcc
-7
TROUBLE SHOOTING TABLE 
(Continued)
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