Panasonic LCD Projector Pt Vw431d Operating Instructions

							Replacement
ENGLISH - 81
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 unit, remove large   z
foreign objects and dust from the air filter  
compartment and the projector’s air intake port  
if there are any.
Insert the new air filter unit.3 ) 
Hold the air filter unit that the knob is outside of   z
the projector, perform Step 2) in the reverse order.
Do not press the filter part when push into the   z
projector at last.
Install the air filter cover.4 ) 
Make sure that the air filter cover is closed tightly. z
Air filter cover (back)
Air filter unit (back)Knob
Air filter cover (side)
KnobAir filter unit (side)
Resetting the Filter Counter J
Be sure to reset the Filter counter after replacing the filter. (Æpage 59 "Filter counter reset")
Attention
Turn off the power before you replace the air filter units. 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 air filter units removed. Dust may accumulate on the optical elements  z
degrading picture quality.
Do not put anything into the air vents. Doing so may result in malfuncti\
on of the projector. z
The air filter unit to be replaced should be an unused product. z
After replacing the air filter, reset the filter counter. Otherwise, the power of the projector may be turned off for  z
safety.
Replacement of the air filter unit (back) 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 ) 
Hold the knob of the air filter unit and pull out   z
in the direction of the arrow.
After removing the air filter unit, remove large   z
foreign objects and dust from the air filter  
compartment and the projector’s air intake port  
if there are any.
Insert the new air filter unit.3 ) 
Hold the air filter unit that the knob is outside of   z
the projector, perform Step 2) in the reverse order.
Do not press the filter part when push into the   z
projector at last.
Install the air filter cover.4 ) 
Make sure that the air filter cover is closed tightly. z 
						

							Replacement
82 - ENGLISH
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 inj\
uries.
Notes on the replacement of the lamp unit J
The luminous source of the lamp is made of glass and may burst if  z
you hit it against a hard surface or drop it. 
Please handle with care.
A Phillips screwdriver is required for replacement of the lamp unit. z
When replacing the lamp unit, be sure to hold it by the handle. z
When replacing the lamp because it has stopped illuminating, there  z
is a possibility that the lamp may be broken. If replacing the lamp 
of a projector which has been installed on the ceiling, you should 
always assume that the lamp is broken, and you should stand to the 
side of the lamp cover, not underneath it. Remove the lamp cover 
gently. Small pieces of glass may fall out when the lamp cover is 
opened. If pieces of glass get into your eyes or mouth, seek medical adv\
ice immediately.
The lamp contains mercury. Consult your local municipality or your dealer about correct disposal \
of used  z
lamp units.
Attention
Do not use other than designated lamp units. z
The part numbers of accessories and separately sold components are subje\
ct to change without notice. z
When to replace the lamp unit J
The lamp unit is a consumable component. Brightness decreases according \
to duration of usage, so 
periodical replacement of the lamp unit is necessary.
When the projection lamp of the projector reaches its end of life, the L\
amp replacement icon appears on the 
screen and  indicator lights yellow. Replace the lamp with a new one promptly.
Lamp runtime
On screen
Lamp replacement icon
LAMP indicator
Over 2 500 hours *
Over 2 700 hours *
The message is displayed for 4 seconds. If you 
press any button within the 4 seconds, the message 
disappears.
If the power is turned on without replacing the lamp, 
the power automatically turns off after approximately 
ten minutes to prevent the malfunction of the 
projector.
Lights in yellow (even in  
stand-by mode).
* 2 700 hours of use is a rough guideline, but is not a guarantee. The lamp runtime differs depending on the 
setting of "Lamp power" menu.
Note
The Lamp replacement icon will not appear when the Display function is set to [Off] ( zÆpage 54), or during 
"Freeze" (Æpage 34), or "AV mute" (Æpage 35). 
						

							Replacement
ENGLISH - 83
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 ) 
power cord. Wait at least 1 hour and 
make sure the lamp unit and surroundings 
are cool.
Use a Phillips screwdriver to loosen the  2 ) 
lamp cover fixing screw and remove the  
lamp cover.
Remove the lamp cover by pulling it slowly  z
toward the direction of the arrow.
Use a Phillips screwdriver to loosen the 3 ) 
three lamp unit fixing screws until the 
screws turn freely. Hold the used lamp 
unit by its handles, and pull it gently 
from the projector.
Insert the new lamp unit in correct 4 ) 
direction. Tighten the three lamp unit 
fixing screws securely with a Phillips 
screwdriver.
Attach the lamp cover, and tighten the 5 ) 
lamp cover fixing screw securely with a 
Phillips screwdriver.
Attach the lamp cover by pushing it slowly opposite  z
the direction of the arrow.
 
Note
When you replace the new lamp unit (ET-LAV200), the projector resets the total usage time of the lamp unit automatically. z
Lamp unit fixing screws
Lamp unit
Lamp unit
Lamp cove r
Lamp cove r
fixing screw 
						

							Replacement
84 - ENGLISH
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 
						

							ENGLISH - 85
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
properly.
26
The input selection setting may not be correct. z33
The [Brightness] adjustment setting may be at the minimum setting. z46
The input source which is connected to the projector may have a  z
problem.
—
The AV mute function may be in use. z35
The picture is fuzzy.
The lens focus may not have been set correctly. z32
The projector may not be at the correct distance from the screen. z23
The lens may be dirty. z14
The projector may be tilted too much. z—
The lens cap is still attached to the lens.  z15
The color is pale or 
grayish.
[Color] or [Tint] adjustment may be incorrect. z46
The input source which is connected to the projector may not be  z
adjusted correctly.
—
RGB cable is damaged. z—
No sound from the 
internal speaker
The input terminals may not have been correctly connected. z26
The volume may have been set to the minimum level. z35, 52
The AV mute function may have been turned on. z35
When the VARIABLE AUDIO OUT is plugged-in, the projector's built-in  z
speaker is not available.
20
The Mute function may have been turned on. z36, 52
The remote control 
does not operate.
The batteries may be weak. z—
The batteries may not have been inserted correctly. z21
The remote control signal receptor on the projector may be obstructed. z17
The remote control unit may be out of the operation range. z17
Strong light such as fluorescent shine onto the signal receptor. z17
When different codes are set on the projector and on the remote contro zl.57
The control buttons 
of the projector do 
not operate.
The control panel is not available if the control panel is locked at [Key  z
lock] under [Security] of [Setting] section.
57
The picture does not 
display correctly.
There may be a problem with the VCR or other signal source. z
A signal which is not compatible with the projector is being input. z
—
94-97 
						

							Troubleshooting
86 - ENGLISH
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 unsupported signal cable connected? z94-97
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 during HDMI cable connection, connect the  z
audio cable to COMPUTER AUDIO IN 2 terminal and set to "Computer 2" 
in "Sound" of "Setting" menu. 
55
The image is 
distorted or runs off.
Check [PC adj.] or [Screen] and adjust them. z43, 49
The exclamation 
mark  appears on 
the screen.
Your operation is invalid. Operate correctly. z—
No picture or sound 
is output from 
DIGITAL LINK input.
Is the cables securely connected between the Twisted pair cable  z
Extender and the image (output) devices or between the Twisted pair 
cable Extender and the projector? 
Connect correctly.
Confirm the [DIGITAL LINK mode] is set to [Auto] or [DIGITAL LINK]  z
other than [Ethernet].
—
 
 
 
62
  [Service] 
appears in the top 
left of the screen.  
Detected abnormal state inside the projector. Unplug the power cord and  z
contact your dealer for maintenance. Be sure to unplug the power cord, 
or it may cause electric shock or fire.
—
Note
If the problem persists, after confirming the contents of the table, please consult your dealer. z 
						

							ENGLISH - 87
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 = Power ON
2 = Cool-down in progress     3 =Warm-up in progress
INPTInput selectionParameters
11 = RGB 1  12 = RGB 2  13 = SCART                       
21 = VIDEO           22 = S-VIDEO     23 = COMPONENT
31 = HDMI    32 = DIGITAL LINK
INPT ?Input selection query
AV M TAV MUTE controlParameters
30 = AV MUTE mode off
31 = AV MUTE mode onAVMT ?AV MUTE status query
ERST ?Error status query
Parameters
1st byte : Indicates fan errors, range 0 – 2
2nd byte : Indicates lamp errors, range 0 – 2
3rd byte : Indicates temperature errors, range 0 – 2
4th byte : Fixed at 0
5th byte : Indicates filter errors, range 0 – 2
6th byte : Indicates other errors, range 0 – 2
Definitions for each value from 0 to 2 are as follows.
0 = No error known 1 = Warning 2 = Error
LAMP ?Lamp status query
Parameters
1st digits (1 – 5 digits) : Lamp cumulative operating time
2nd digit : 0 = Lamp off, 1 = Lamp on
INST ?Input selection list queryThe followings are returned as parameters. 
 “11, 12, 13, 21, 22, 23, 31, 32”
NAME ?Projector name queryThe name set for [Projector name] in [Network] is returned.
INF1 ?Manufacturer name query“Panasonic” is returned.
INF2 ?Model name queryAnswer the model name with "VW431DU".
INF0 ?Other information queryInformation such as version number is returned.
CLSS ?Class information query“1” is returned.
PJLink security authorization  J
When using PJLink with security authorization, either o 
f the password set for administrator privileges and the 
password set for user privileges with Web browser control can be used as the password for PJLink (Æ page 76).
When using PJLink without security authorization, set use without the password for administrator privileges and 
the password for user privileges of Web browser control.
For specifications regarding PJLink, refer to the Japan Business Machine and Information System
Industries Association website.
http://pjlink.jbmia.or.jp/english/   
						

							Technical Information
88 - ENGLISH
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 control “Detailed set up ” → “Command port set up” page
There is a response from the projector.2 ) 
Response data
Data sectionBlankModeBlankRandom number 
section
Termination 
symbol
“NTCONTROL”
(ASCII string)
‘ ’
0x20
‘1’
0x31
‘ ’
0x20
“zzzzzzzz”
(ASCII code hexadecimal 
number)
(CR)
0x0d
9 bytes1 byte1 byte1 byte8 bytes1 byte
Mode : 1 = Protect mode
Generate a 32-byte hash value from the following data using MD5 algorith\
m.3 ) 
“xxxxxx:yyyyy:zzzzzzzz”
xxxxxx :Administrator rights user name for WEB CONTROL (Default user name is “admin1”)
yyyyy :Password of above administrator rights user (Default password is “panasonic”)
zzzzzzzz :8-byte random number obtained in Step 2
Command transmission method  z
Transmit using the following command format.
Transmitted data
HeaderData sectionTermination symbol
Hash value
(See above  
)
‘0’
0x30
‘0’
0x30
Control command
(ASCII string)
(CR)
0x0d
32 bytes1 byte1 byteUndefined length1 byte
Receive data
HeaderData sectionTermination symbol
‘0’
0x30
‘0’
0x30
Control command
(ASCII string)
(CR)
0x0d
1 byte1 byteUndefined length1 byte
Error response
Error messageTermination symbol
“ ERR1”
“ERR2”
“ERR3”
“ERR4”
“ERR5”
“ ER R A”
Undefined control command
Out of parameter range
Busy state or no-acceptable period
Timeout or no-acceptable period
Wrong data length
Password mismatch
(CR)
0x0d
4 bytes1 byte 
						

							Technical Information
ENGLISH - 89
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 “Detailed set up” → “Command port set up” page
There is a response from the projector.2 ) 
Response data
Data sectionBlankModeTermination symbol
“NTCONTROL”
(ASCII string)
‘ ’
0x20
‘0’
0x30
(CR)
0x0d
9 bytes1 byte1 byte1 byte
Mode : 0 = Non-protect mode
Command transmission method  z
Transmit by the following command format.
Transmitted data
HeaderData sectionTermination symbol
‘0’
0x30
‘0’
0x30
Control command
(ASCII string)
(CR)
0x0d
1 byte1 byteUndefined length1 byte
Receive data
HeaderData sectionTermination symbol
‘0’
0x30
‘0’
0x30
Control command
(ASCII string)
(CR)
0x0d
1 byte1 byteUndefined length1 byte
Receive data
Error messageTermination symbol
“ ERR1”
“ERR2”
“ERR3”
“ERR4”
“ERR5”
“ ER R A”
Undefined control command
Out of parameter range
Busy state or no-acceptable period
Timeout or no-acceptable period
Wrong data length
Password mismatch
(CR)
0x0d
4 bytes1 byte 
						

							Technical Information
90 - ENGLISH
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
Signal levelRS-232C-compliantCharacter length8 bits
Sync. methodAsynchronousStop bit1 bit
Baud rate9 600 bpsX parameterNone
ParityNoneS parameterNone
Note
The serial control cannot be used when [RS232C] is set to [DIGITAL LINK]. z
The Baud rate of PT-VW430 / PT-VX500 / PT-VW435N / PT-VX505N series and PT-VW431D series is different.  z
D-Sub 9-pin (male)
D-Sub 9-pin (female)
Connecting terminals  
on projector
Communication cable
Computer