Panasonic DLP Based Projector PT CW230 Operating Instructions

Replacement
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Maintenance
Resetting the Filter Counter J
Be sure to reset the Filter counter after replacing the air filter unit. (Æpage 57" Filter counter reset")
 
 
Attention
Turn off the power before you replace the air filter unit. z
When attaching the air filter unit, make sure that the projector is stable, and work in an environment that is  z
safe, even in the event of the air filter unit dropping.
Do not operate the projector with the filter removed. Dust may accumulate on the...

Replacement
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Maintenance
 JLamp unit
The lamp unit is a consumable component. You can check the total usage time using Lamp runtime in the 
Information menu on page 58.
It is recommended to ask an authorized engineer to replace the lamp unit. Contact your dealer.
Consult your dealer to purchase a replacement lamp unit (ET-LAC100).
CAUTION:
■ Do not replace the lamp unit when it is hot. (Wait at least 1 hour after use.)
The inside of the cover can become very hot, take care to avoid burn...

Replacement
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Maintenance
 JReplacing the Lamp unit
CAUTION:
When the projector is mounted on a ceiling, do not work with your face close to the projector. z
Attach the lamp unit and the lamp cover securely. z
When you experience difficulty in installing the lamp, remove it and try again. If you use force to install the  z
lamp, the connector may be damaged.
Turn off the Power by following the  1 ) 
procedure in “Turning off the projector" 
(Æpage 28). Unplug the AC power cord. 
Wait at...

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Maintenance
Troubleshooting
Please check following points. For details, see the corresponding pages.\
ProblemCauseReference 
page
Power does not turn 
on.
The power cord may not be connected. z—
No electric supply is at the wall outlet. z—
The circuit breakers have tripped. z—
I zs the  indicator,  indicator, or  indicator lit or blinking?
25, 59
The lamp cover has not been securely installed. z63
No picture appears.
The video signal input source may not be connected to a terminal  z...

Troubleshooting
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Maintenance
ProblemCauseReference 
page
Picture from a HDMI 
device does not 
appear or picture is 
not stable.
Is the HDMI cable securely connected? z23
Turn off the power of the projector and the connected devices. Then turn  z
the power of the projector and the connected devices back on.
—
Isn't unsupported signal cable connected? z71-74
No sound is output 
from a HDMI device.
Set the sound channel of the attached device to Linear PCM. z—
If no audio signal is output...

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Appendix
Technical Information
Serial terminal
The serial connector which is on the connector panel of the projector conforms to the RS-232C interface 
specification, so that the projector can be controlled by a personal computer which is connected to this connector.
 JConnection
 JPin assignments and signal names
D-Sub 9-pin (female)
Outside viewPin No.Signal nameContents
—NC
TXDTransmitted data
RXDReceived data
—NC
GNDEarth
—NC
CTSConnected internallyRTS
—NC
 JCommunication conditions...

Technical Information
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Appendix
 JFunctional Execution Command
      Format
The projector control command is defined as one command line that starts with "C" and ends with carriage 
return.
Next CommandPC � Projector
Projector  � PC Command
Response
More than 100m
s
 “C”  “0”
 “7” CR
 ACK CR
(A few ms ~ 5s)
CommandFunction
C00 Turn the projector ON
C01 Turn the projector OFF 
 (immediately OFF)
C02 Turn the projector OFF
C04 Select HDMI
C05 Select Computer 1
C06 Select Computer 2
C07...

Technical Information
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Appendix
 JStatus Read Command
      Format
The projector control command is defined as one command line that starts with "CR" and ends with carriage 
return.
PC � Projector
Projector  � PC Command
Processing
 “C” 
“R”
 “0” CR
 ACK CR
(A few ms ~ 5s)
CommandFunctionProjector ReturnProjector status
CR0Status Read
00Power On
80Stand-by mode
40Countdown
20Cooling down
10Power Malfunction
28Cooling down at the temperature anomaly
24Cooling down at Power Management...

Technical Information
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Appendix
Other terminals
Pin assignments and signal names of  terminal J
Outside viewPin No.Signal names
GND (luminance signal)
GND (color signal)
Luminance signal
Color signal
Pin assignments and signal names of  terminal
Outside viewPin No.Signal names
 : Not assigned
 - , ,  : GND terminals
R/PR
G/G  SYNC/Y
B/PB
+ 5 V
DDC data
HD/SYNC
VD
DDC clock
Pin assignments and signal names of   J
terminal
Outside viewPin No.Signal names
, , , ,  : Not assigned
 - ,  : GND...

Technical Information
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Appendix
Pin assignments and signal names of  terminal J
Outside viewPin No.Signal namesPin No.Signal names
T.M.D.S data 2+T.M.D.S clock shield
T.M.D.S data 2 shieldT.M.D.S clock -
T.M.D.S data 2-CEC
T.M.D.S data 1+—
T.M.D.S data 1 shieldSCL
T.M.D.S data 1-SDA
T.M.D.S data 0+DDC/CEC GND
T.M.D.S data 0 shield+5V
T.M.D.S data 0-Hot plug detection
T.M.D.S clock +
Pin assignments and signal names of  terminal J
Outside viewPin No.Signal names
+5VDC
Ground
Stereo Sync...