Panasonic LCD Projector PT-LX26HE Operating Instructions

Replacement
ENGLISH - 61
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 57.
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-LAL100).
CAUTION:
■ Do not replace the lamp unit when it is hot. (Wait at least 45 minutes 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 procedure             1 ) 
in “Turning off the projector” (Æpage 29).            
Unplug the AC power...

Replacement
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Maintenance
Lamp unit fixing screws
Attaching the Lens Cap
When moving this projector or while not using it over an extended period of time, attach the lens cap.
Attach the lens cap according to the following procedures.
Thread the string through the hole on the              1 ) 
lens cap 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...

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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?
26, 58
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...

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Appendix
Technical Information
Serial terminal
The  terminal 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 levelRS-232C-compliantCharacter length8 bits
Sync. methodAsynchronousStop...

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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 = Computer 1 (S –video) 
RG1 = Computer 1 (RGB)
RG2 = Computer 2 (RGB)
SCT = Computer 1 (Scart)
OSHAV...

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

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.
Mode
Display 
resolution *1 
(dots)
Scanning 
frequencyDot clock 
frequency 
(MHz)
Picture 
quality *2PnP
Format
H (kHz)V(Hz)P T-
LW25HE
P T-
LX30HE
P T-
LX26HECOMPUTER
480p640 x 48031.4759.8825.2AAA
C/Y
480i640 x 480i15.73460.0012.2727
576p768 x 57631.2550.0029.5AAA
576i768 x...

Technical Information
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Appendix
Mode
Display 
resolution *1 
(dots)
Scanning 
frequencyDot clock 
frequency 
(MHz)
Picture 
quality *2PnP
Format
H (kHz)V(Hz)P T-
LW25HE
P T-
LX30HE
P T-
LX26HECOMPUTER
XGA
1024 x 768
48.3660.0065.00AAAAA
C
68.67784.97794.504AAAAA○
60.02375.0378.75AAAAA○
56.47670.0775.00AAAAA○
60.3174.9279.252AAAAA
48.5060.0265.179AAAAA
44.0054.5859.129AAAAA
63.4879.3583.41AAAAA
62.0477.0784.375AAAAA
61.0075.7081.00AAAAA
46.9058.2063.03AAAAA
47.0058.3061.664AAAAA...