Panasonic LCD Projector Pt Lw321 Operating Instructions

Maintenance/replacement
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Maintenance
Maintenance/replacement
Before cleaning/replacing the unit
When you perform maintenance or replacement of the parts, make sure to t\
urn off the power and disconnect  z
the power plug from the wall outlet. (Æpages 25, 27)
Be sure to observe the procedure “Powering off the projector” ( zÆpage 27) when performing power supply 
operation.
Maintenance
Outer Case J
Wipe off dirt and dust using a soft dry cloth.
If the dirt is persistent, soak the cloth with...

Maintenance/replacement
52 - ENGLISH
Maintenance
Install the air filters. 5 ) 
Hold the air filters with the protrusion up towards the top panel as shown in the picture and insert them until  z
you hear a "click" sound.
Reset the [Filter Reminder].6 ) 
Turn on the power and perform [Cleaning up Reminder] in the [Options] menu. ( zÆpage 42)
Attention
Turn off the power before you clean the air filters. z
Be sure to attach the air filters properly. If you use the projector without attaching the air...

Maintenance/replacement
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Maintenance
Lamp unit J
The lamp unit is a consumable component. See "When to replace the lamp unit" about the lifespan.
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. 
(for PT-LW321E / PT-LW271E / PT-LX271E: ET-LAL330; for PT-LX351E: ET-LAL340; for PT-LX321E:  
ET-LAL331) 
CAUTION:
■ Do not replace the lamp unit when it is hot. (Wait at least 1 hour after...

Maintenance/replacement
54 - ENGLISH
Maintenance
Note
The usage period of  z3 000 hours / 4 000 hours / 4 500 hours / 5 000 hours is a rough estimate and is not guaranteed.Used for PT-LX351E  zThe used lamp time is calculated internally in the following formula as the used time in each setting of [Normal], [Auto], [ECO1] and [ECO2] in [Lamp power mode]: Lamp runtime =  (Lamp runtime of [Normal] × 60 + Lamp runtime of [Auto] × 24 + Lamp runtime of [ECO1] or [ECO2] × 45) ÷ 60
  In order to estimate the...

Maintenance/replacement
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Maintenance
Replacing the Lamp unit J
Attention
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 lamp, the  z
connector may be damaged.
Do not loosen other than designated screws. z
Lamp cover screw
Handle 
Lamp unit screws
Lamp cover
Turn off the power by...

Troubleshooting
56 - ENGLISH
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, 50
The lamp cover has not been securely installed. z55
No picture appears.
The video signal input source may not be connected to a...

Troubleshooting
ENGLISH - 57
Maintenance
ProblemCauseReference 
page
Partial, scrolling 
or incorrectly 
displayed image
For computer input, press the  button on the remote  z
control.
—
If you are using a Windows PC* z
1.  Open the [My Computer] icon, then click the [Control Panel] folder .
2.  Click the [Display] icon and select the [Settings] tab and set the 
display resolution lower than or equal to UXGA  (1600 × 1200).
If you are using a Notebook* z
1. First, follow the steps above to adjust...

Troubleshooting
58 - ENGLISH
Maintenance
ProblemCauseReference 
page
Messages displays
 Dust Filter Reminder Message:  z
 
 
 
 
 
 
This message displays when the projector reached the timer set in 
the [Filter Reminder (Hour)]. In this case, please clean the air filters or 
replace them.
51
 Lamp Warning Message:  z
 
The lamp has reached its end of life, please replace it as soon as 
possible.
53
 Fan Locked Warning Message:  z
 
 
This shows the fan has stopped during projection and the power will be...

Appendix
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Appendix
Appendix
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.
Attention
Set the [UART Mode] in the  [Setting] menu to [RS-232] before controlling the projector via  terminal. z
Connection J
Pin assignments and signal names J
D-Sub 9-pin (female)
Outside viewPin No.Signal nameContents
—NC...

Appendix
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Appendix
Basic format J
Transmission from the computer begins with STX, then the command, parameter, 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 .* 
Basic format (with sub command) J
STXC1C2C3 *  ETX
S1S2S3S4S5 EP1P2P3P4P5P6
When transmitting a command which does not need a parameter, the operation (E) and parameter are not * 
necessary.
End  
(1...