Panasonic LCD Projector Pt Tw230 Operating Instructions

Replacement
ENGLISH - 61
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 procedure 1 ) 
in "Turning Off the projector" (Æpage 27). 
Unplug the AC power cord. Wait at...

Replacement
62 - ENGLISH
Maintenance
Attaching the Lens Cover
When moving this projector or while not using it over an extended period of time, attach the lens cover.
Attach the lens cover according to the following procedures.
Thread the string through the hole on the  1 ) 
lens cover and then tie a knot in the string  
to secure it in place.
To pass the other end of the string into  2 ) 
the hole on the bottom of the projector  
and pull at it. 

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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—
Is the  indicator,  indicator, or  z
 indicator lit or blinking?
24, 57
The lamp cover has not been securely installed. z—
No picture appears.
The video signal input source may not be connected to a terminal  z...

Troubleshooting
64 - ENGLISH
Maintenance
ProblemCauseReference 
page
Picture from a HDMI 
device does not 
appear or picture is 
not stable.
Is the HDMI cable securely connected? z22
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? z69
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 (male)
Outside viewPin No.Signal nameContents
—NC
RXDReceived data
TXDTransmitted data
—NC
GNDEarth
—NC
—NC
—NC
—NC
 JCommunication conditions
Signal...

Technical Information
66 - ENGLISH
Appendix
 JBasic format
Transmission from the computer begins with STX, then the command, paramet\
er, and ETX are sent in this 
order. Add parameters according to the details of control.
STXC1C2C3 : P1 P2Pn ETX
When sending commands without parameters, a colon (:) is not necessary\
.: 
 JBasic format (with sub command)
STX C1C2C3 :  ETX
S1S2S3S4S5 EP1P2P3P4P5P6
When transmitting a command which does not need a parameter, the operation (E) and parameter are not : ...

Technical Information
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Appendix
 JCable specifications
[When connected to a computer]
Projector
1NCNC1
Computer (DTE 
specifications)
22334NCNC45566778899
 JControl commands
When controlling the projector from a computer, the following commands are available:
[Projector control command]
CommandControl contentsRemarks
PONPower [ON]
POFPower [OFF]
IISINPUT selection
(Parameter)
VID = Video
SVD = S-video 
RG1 = Computer 1(RGB)
RG2 = Computer 2(RGB)
HD1 = HDMI
SCT = Computer 1(Scart)
OSHAV mute...

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
List of compatible signals
The following table specifies the types of signals compatible with the projectors.
Format :   V = VIDEO, S = S-VIDEO, C = COMPUTER, Y = YPBPR, H = HDMI
Mode
Display 
resolution *1 
(dots)
Scanning 
frequencyDot clock 
frequency 
(MHz)
Picture 
quality *2PnPFormat
H (kHz)V (Hz)
NTSC/NTSC 4.43/
PAL-M/PAL 60720 x 48015.759.9--AV/S
PAL/PAL-N/SECAM720 x 57615.660.0--AV/S
480p640 x 48031.4759.8825.2A
C/Y
480i640 x 480i15.73460.0012.2727A...

Technical Information
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Appendix
Mode
Display 
resolution *1 
(dots)
Scanning 
frequencyDot clock 
frequency 
(MHz)
Picture 
quality *2PnPFormat
H (kHz)V (Hz)
SXGA +1400 x 1050
63.97060.190107.99A
C
65.35060.120122.85A
65.12059.900122.43A○
XGA
1024 x 768
48.3660.0065.00A
68.67784.97794.504A○
60.02375.0378.75A○
56.47670.0775.00A○
60.3174.9279.252A
48.5060.0265.179A
44.0054.5859.129A
63.4879.3583.41A
62.0477.0784.375A
61.0075.7081.00A
46.9058.2063.03A
47.0058.3061.664A
58.0372.0074.745A
1024 x...