XG-NV4SE (serv.man5). Section 2 - Troubleshooting tables - page 29-44 - Sharp Projector Service Manual (repair manual). Page 8

Read Sharp XG-NV4SE (serv.man5) Service Manual online

36
XG-NV4SE/SM
XG-NV40SA
TROUBLE SHOOTING TABLE 
(Continued)
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 R724 open?
Is there short-circuit between 
collector and emitter of Q702?
Reconnect the EA connector.
Replace F791.
Which output voltage line fails?
Replace F751.
Replace F752.
Replace Q702.
Replace PC702.
Replace IC701, IC702, T701 or 
R724.
4.5V
-7
Page of 16
Display

Click on the first or last page to see other XG-NV4SE (serv.man5) service manuals if exist.

Random: