XG-NV1E (serv.man5). Troubleshooting table - page 22-38 - Sharp Projector Service Manual (repair manual). Page 15

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XG-NV1E
XG-NV1EA
TROUBLE SHOOTING TABLE 
(Continued)
36
232C failure
Yes
No
Reconnect cable.
Yes
No
Is PC’s 232C setting as specified?
Make PC port setting.
Yes
No
Is there signal input at pin (11) of 
IC2006?
Check cable, connector and their 
peripheral parts.
Yes
No
Is there signal output at pin (12) of 
IC2006?
Yes
No
Is there signal input at pin (47) of 
IC5001?
Is cable connected?
IC2006 or nearby circuit in trouble.
Check signal line (connectors TH and 
CA) and related parts.
IC5001 faulty.
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