Christie DWU951 Service Manual page 20

DWU951 (DD1-WU80P/81P) / DWX951 (DD1-WX80P/81P) / DXG1051 (DD1-X100P/101P)
Focus or zoom adjustment cannnot be operated.
&KHFN
any dust or
distortion in the BtoB
connectors on the PCBs which
connect LENS and
projector unit.
OK
Re-
attach the
LENS and measure
the resistance* between pins
(7) and (8) of EM02
on the MAIN
PCB.
Open
Replace the LENS.
or
Replace the ADAPTER PCB.
Cannot communicate via RS-232.
Is STANDBY
MODE set to "POWER
SAVE"?
YES
Set STANDBY MODE as
"NORMAL" in the SETUP menu.
&KHFN WKH IROORZLQJ DIWHU FKDQJLQJ SDUWV
1. PC power supply OFF
2. Connection of cable
3. Start up the projector
4. Start up the PC
* If the projector does not operate: Change PC setup or replace cable.
DWU951/DWX951/DXG1051 Service Manual
020-000674-01 Rev.1 (01-2014)
*: Be sure to unplug the power cord before measuring resistance.
Clean the connectors with air duster.
NG
or
Replace the ADAPTER PCB.
Try
§ 0Ÿ
whether changing
/(16 FDQ ¿[ WKH
problem.
YES
Replace the LENS.
Are
NO
pins (2) and (3)
of the RS-232 cable
crossed?
YES
Are the
signals on each pin of the
cable?
YES
Replace MAIN PCB.
or
Replace INPUT PCB.
18
NO
Replace MAIN PCB.
NO
Use cross cable.
NO
&KHFN \RXU 3& VHWXS
(2): RX
(3): TX
Page 18 / 118