PG-C45X (serv.man11). Troubleshooting table - Sharp Projector Service Manual (repair manual). Page 19

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47
PG-C45X
TROUBLE SHOOTING TABLE for PC I/F UNIT (Continued)
Yes
Yes
No
No
7
Are the horizontal and vertical sync 
signals outputted at TL8130 and 
TL8131, respectively?
IC8015 or its periphery is 
defective.
Is there the specified clock 
(13.5 MHz) signal at FL8114?
IC8015 or its periphery is 
defective.
End.
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