Panasonic DLP Projector Pt Tw331 Operating Instructions

Troubleshooting
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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.
54
 Lamp Warning Message:  z
 
The lamp has reached its end of life, please replace it as soon as 
possible.
57
 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
 JConnection
 JPin assignments and signal names
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...

Appendix
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Appendix
 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
RG1 = Computer 1
RG2 = Computer 2
HD1 = HDMI
OSHAV mute function
Turn off the projection and sound temporarily.
Do not send the command consecutively.
(Parameters)
0 = AV MUTE mode off
1 = AV MUTE mode on
AMTVolume mute function0 = OFF
1 = ON...

Appendix
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Appendix
Other terminals
 JPin 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
 JPin assignments and signal names of  terminal
Outside viewPin No.Signal names
, , , ,  * Not assigned
 - ,  : GND terminals
R/PR
G/G  SYNC/Y
B/PB
HD/SYNC
VD
 JPin assignments and signal names of  terminal
Outside viewPin No.Signal namesPin No.Signal names
T.M.D.S data 2+T.M.D.S...

Appendix
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Appendix
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 =...

Appendix
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Appendix
List of compatible signals
The following table specifies the types of signals compatible with the projectors.
Format :   V = VIDEO, R = RGB, Y = YPBPR, H = HDMI
ModeDisplay resolution *1 (dots)
Scanning frequencyDot clock frequency (MHz)Format
Plug and play *3
H (kHz)V (Hz)COMPUTER 1/COMPUTER 2HDMI
NTSC/NTSC4.43/ PAL-M/PAL60-15.7559.9-V--
PAL/PAL-N/ SECAM-15.6350.0-V--
525i (480i)
720 x 480i15.7359.913.50Y--
720(1 440) x 480i (*2)15.7359.927.00H-o
625i (576i)
720 x...

Appendix
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Appendix
ModeDisplay resolution *1 (dots)
Scanning frequencyDot clock frequency (MHz)Format
Plug and play *3
H (kHz)V (Hz)COMPUTER 1/COMPUTER 2HDMI
SXGA1 280 x 1 024
63.9860.0108.00R/Hoo
79.9875.0135.00R/Hoo
91.1585.0157.50R/H--
1366x7681 366 x 76847.7259.884.75R/Hoo
SXGA+1 400 x 1 05065.3260.0121.75R/Hoo
UXGA1 600 x 1 20075.0060.0162.00R/Hoo
*1: “i” added to the resolution value indicates an interlaced signal.
*2: HDMI signal of 480i and 576i is only supported by 27MHz Dot clock...

Specifications
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Appendix
Specifications
Model No.PT-TW331REPT-TX301RE
Power supply100 V−240 V AC, 50/60 Hz
Power consumption
100 V - 240 V, 3.3 A-1.3 A, 301 W
Standby power consumption
0.5 W  When [LAN (Standby)], [VGA Out (Standby)], [In Standby Mode (Audio)] are all set  z
to [Off].
6.0 W  When one or more among [LAN (Standby)]/[VGA Out (Standby)]/[In Standby Mode  z
(Audio)] is/are set to [On].
DLP panel
Panel  
size
16.5 mm (0.65")
(Aspect ratio 16:10)
14.0 mm (0.55")
(Aspect...

Specifications
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Appendix
Model No.PT-TW331REPT-TX301RE
Terminals
COMPUTER 1 
IN /
COMPUTER 2 
IN
2 sets, high-density D-Sub 15p (female) 
[RGB signal] 
     0.7 V [p-p] 75 Ω (When G-SYNC: 1.0 V [p-p] 75 Ω)
     HD/SYNC TTL high impedance, automatic positive/negative polarity compatible
     VD TTL high impedance, automatic positive/negative polarity compatible
     SYNC/HD and VD are not compliant with 3 value composite SYNC
[YPBPR signal]  
     Y: 1.0 V [p-p] including synchronization...