Service manual

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.

Is there any signal at pin (8) of IC8002?

Check SC3501, R2039 and their peripheral circuits.

Is there any signal at pin (106) of IC2201? Check IC2006 and its peripheral circuits.

Check IC2002 and its peripheral circuits.

YES