Panasonic Projector PT-CX300U User Manual

Maintenance/replacement
ENGLISH - 61
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.
Turn off the Power by following the procedure in "Powering off the projec\
tor".  
1 ) 
(Æpage 32). Unplug the AC...

Troubleshooting
62 - 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? 31, 56
The lamp cover has not been securely installed.
 z61
No picture appears. The video signal input source may not be connected to...

Troubleshooting
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Maintenance
ProblemCauseReference 
page
Partial, scrolling 
or incorrectly 
displayed image For computer input, press the  button on the remote 
 z
control or the control panel.
—
If you are using a Windows PC:
 
z
1.  Open the [My Computer] icon, then click the [Control Panel] folder.
2.  C
lick 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...

Troubleshooting
64 - 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. 57
 Lamp Warning Message:  
 z
 
The lamp has reached its end of life, please replace it as soon as 
possible. 60
 Fan Locked Warning Message:  
 z
 
 
This shows the fan has stopped during projection and the power...

Appendices
ENGLISH - 65
Appendix
Appendices
Appendices
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.
Connection J
Pin assignments and signal names J
D-Sub 9-pin (female)
Outside viewPin No.
Signal name Contents
—NC
TXD Transmitted data
RXD Received data
—NC
GND Earth
—NC
CTS
Connected internally
RTS
—NC
Communication...

Appendices
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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 P2PnETX
When sending commands without parameters, a colon (:) is not necessary .: 
Basic format (with sub command) J
STXC1C2C3 :  ETX
S1 S2 S3 S4 S5E P1P2P3P4 P5 P6
When transmitting a command which does not need a parameter, the operation (E) and parameter are not : 
necessary....

Appendices
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Appendix
Control commands J
When controlling the projector from a computer, the following commands are available:
[Projector control command]
CommandControl contentsRemarks
PON Power [ON]
POF Power [OFF]
IIS INPUT selection (Parameter)
VID = Video
SVD = S-video 
RG1 = Computer 1
RG2 = Computer 2
HD1 = HDMI
OSH AV mute function Turning off the projection and sound temporarily.
Sending the command switches [ON]/[OFF].
Do not switch ON/OFF in a short period of time.
AMT Volume mute...

Appendices
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Appendix
Other terminals
Pin assignments and signal names of  terminal J
Outside viewPin No.Signal names
GND (luminance signal)
GND (color signal)
Luminance signal
Color signal
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
+ 5 V
DDC data
HD/SYNC
VD
DDC clock
Pin assignments and signal names of  terminal J
Outside viewPin No.Signal names
, , , ,  : Not assigned
 - ,  : GND terminals...

Appendices
ENGLISH - 69
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
POWR Power supply control Parameters
0 = Standby
1 = Power ON
POWR ? Power supply status query Parameters
0 = Standby 
1 = Power...

Appendices
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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, R = RGB, Y = YPBPR, H = HDMI
ModeDisplay 
resolution *1 
(dots) Scanning 
frequency Dot clock 
frequency  (MHz) Format Plug and play *
3
H (kHz)
V (Hz) COMPUTER 1/ 
COMPUTER 2 HDMI
NTSC/NTSC4.43/  PAL-M/PAL60 -
15.7059.9 -V/S - -
PAL/PAL-N/  SECAM -
15.6050.0 -V/S - -
525i (480i) 720 x 480i
15.7359.9 13.50 Y - -
720(1 440) x 480i...