PG-C30XE (serv.man4). Contents, Removing of major parts, Resetting the total lamp timer, The optical unit outline, Covergence and focus adjustment, Electrical adjustment, Adjusting hte PC interface, and Troubleshooting table - Page 1-43 - Sharp Projector Service Manual (repair manual). Page 29

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29
PG-C30XE
Checking the PWB performance
RGB input in trouble
Feed test pattern signal from
PC.
Yes
No
Use specified cable.
Is specified cable connected
between PC and projector?
Yes
No
Power circuit in trouble.
Is supply voltage as specified?
Yes
No
Check the connectors, starting
from the PC input circuit.
Does image appear?
Video input in trouble
Go to "Checking the video unit
circuit".
Through-output in trouble
Through-output circuit in
trouble.
Remote control in trouble
Go to "Checking the remote
control".
Go to "Trouble shooting table
for PC I/F unit ".
TROUBLE SHOOTING TABLE
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