XV-Z2000E (serv.man12). XV-Z2000 p34-47 troubleshooting table - Sharp Projector Service Manual (repair manual). Page 14

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47
XV-Z2000
DT-400
Checking RS-232C
Communication is disabled even though 
connecting the control PC and projector 
with a RS-232C cable.
Is the connecting cable connected 
correctly? (cross cable)
Replace the connecting cable.
Does pin (8) of IC8002 receive a signal?
Check SC3501, R2039 and their peripheral circuits.
Does pin (106) of IC2201 receive a 
signal?
Check IC2006 and its peripheral circuits.
Check IC2002 and its peripheral circuits.
YES
NO
YES
NO
YES
NO
YES
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