Christie D Series Service Manual page 22

Cannot communicate via RS-232.
Is STANDBY
MODE set to "POWER
SAVE"?
YES
Set STANDBY MODE as
"NORMAL" in the SETUP menu.
1. PC power supply OFF
2. Connection of cable
3. Projector starting
4. PC starting
* When not operating: PC set up change or cable change.
LWU701i/LW751i/LX801i/LWU601i/LW651i
Service Manual
LWU701i / LW751i / LX801i / LWU601i / LW651i
Are pins (2)
NO
and (3) of the RS-232 cable
crossed?
Are the
signals on each pin of the
cable?
Replace MAIN PCB.
or
Replace INPUT PCB.
21
NO
Use cross cable.
YES
NO
(2): RX
(3): TX
YES
020-000793-01
LIT MAN SERV D2