XG-XV2E (serv.man2). Service manual part one - Sharp Projector Service Manual (repair manual). Page 44

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44
XG-XV2E/M/A
TROUBLE SHOOTING TABLE 
(Continued)
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 unit input  circuit.
Does image appear?
Go to "Checking the clock 
circuit and its peripheral 
circuits".
Video input in trouble
Go to "Checking the video unit 
circuit".
Through-output in trouble
Go to "Checking the through-
output circuit".
Remote control in trouble
Go to "Checking the remote 
control circuit".
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