Panasonic LCD Projector Pt Vw431d Operating Instructions

Replacement
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Maintenance
The air filter units are provided in side and back of the projector.
Replacement of the air filter unit (side) J
Remove the air filter cover.1 ) 
Open the air filter cover in the direction of the   z
arrow in the figure and remove it.
Remove the air filter unit.2 ) 
 i)  Hold the knob of the air filter unit and pull out in  
the direction of the arrow, the top of the air filter  
unit will pop up.
ii) Take out the air filter unit upwards.
After removing the air filter...

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 (Æpage 61).
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-LAV200).
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 c\
lose 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.
Do not use other than designated lamp units. z
Do not loosen other than designated screws. z
Turn off the Power and unplug the AC 1 )...

Replacement
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Maintenance
Attaching the Lens Cap
When moving this projector or while not using it over an extended period\
 of time, attach the lens cap.
To prevent loss for the lens cap, please according to the following proce\
dures, attach the lens cap  with the string 
of accessories. 
Thread the thinner end of the string through  1 ) 
the hole on the lens cap.
Thread the other end of the string through  2 ) 
the hole on the bottom of the projector. 
Lens cap
String 

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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?
28, 79
The lamp cover has not been securely installed. z83
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 
computer does not 
appear.
The cable may be longer than the optional cable. z—
The external video output from a laptop computer may not be correct.  z—
Picture from a HDMI 
device does not 
appear or picture is 
not stable.
Is the HDMI cable securely connected? z26
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...

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Appendix
Technical Information
PJLink protocol
The network function of the projector supports PJLink class 1, and the PJLink protocol can be used to perform 
projector setting and projector status query operations from a computer.
Control commands  J
The following table lists the PJLink protocol commands that can be used to control the projector.
CommandControl detailsNotes
POWRPower supply control
Parameters
0 = Standby
1 = Power ON
POWR ?Power supply status query
Parameters
0 = Standby 1 =...

Technical Information
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Appendix
Control commands via LAN
When WEB Control administrator rights password is set (Protect mode) J
Connection method z 
Obtain the IP address and port number (Initial set value = 1 024) of the projector \
and 1 ) 
make a request for connection to the projector.
Acquire the IP address from the menu screen of the projector, and the port number from the WEB control 
page.
IP address :Obtain from MAIN MENU → [Network] → [Network status]
Port No. :Acquire from the WEB...

Technical Information
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Appendix
When WEB Control administrator rights password is not set (Non-protect  J
mode)
Connection method z 
Obtain the IP address and port number (Initial set value = 1 024) of the projector \
and 1 ) 
make a request for connection to the projector.
Acquire the IP address from the menu screen of the projector, and the port number from the WEB control 
page.
IP address :Obtain from MAIN MENU → [Network] → [Network status]
Port No. :Acquire from the WEB control...

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