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 power cord. Wait at least 1 hour and make sure the lamp 
unit and surroundings are cool.
Use a Phillips screwdriver to loosen the two lamp cover screws and open \
the lamp 
2
 ) 
cover with holding the lamp cover screws.
Use a Phillips screwdriver to loosen the two lamp unit screws until the \
screws turn 
3
 ) 
freely. Hold the used lamp unit by its base, and pull it gently from the proje\
ctor.
Insert the new lamp unit in correct direction. Tighten the two lamp unit screws 
4
 ) 
securely with a Phillips screwdriver.
Close the lamp cover, and tighten the two Lamp cover screws securely with a Phillips 
5
 ) 
screwdriver.
When installing the lamp cover, make sure the lamp cover falling-prevention rubber not be clamped. z
 JReset the Lamp Hours Used
After replacing the lamp unit, make sure to reset the usage time in the [Clear Lamp Hours] menu.  (Æpage 46)
Lamp cover 
screws
Lamp unit screws
Base
Lamp cover fall- 
prevention rubber 
						

							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 a terminal 
 z
properly.
27~29
The input selection setting may not be correct.
 z34
The [Brightness] adjustment setting may be at the minimum setting.
 z38
The input source which is connected to the projector may have a 
 z
problem. —
The [AV mute] function may be in use.
 z17
The picture is fuzzy. The lens focus may not have been set correctly.
 z26
The projector may not be at the correct distance from the screen.
 z23~25
The lens or mirror may be dirty.
 z57
The projector may be tilted too much.
 z—
The color is pale or 
grayish. [Color] or [Hue] adjustment may be incorrect.
 z38~39
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.
 z27~29
The volume may have been set to the minimum level.
 z44
The [AV mute] function may have been turned on.
 z17
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.
 z44
The remote control 
does not operate. The battery may be weak.
 z—
The battery 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 remote IDs are set on the projector and on the remote 
 z
control. 21, 43
The color of the 
image is strange. The setting of [3D] may not be switch to [On].
 z47
[Picture] menu can 
not be adjusted. The setting of [3D] may not be switch to [On].
 z47 
						

							Troubleshooting
ENGLISH - 63
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 steps above to adjust resolution of the computer.
2.  P
ress the appropriate keys listed below for your notebook 
manufacturer to send signal out from notebook to projector.
Panasonic   [Fn]+[F3]
SAMSUNG 
 [Fn]+[F4]
Gateway   [Fn]+[F4]
Acer 
 [Fn]+[F5]
SHARP   [Fn]+[F5]
TOSHIBA 
 [Fn]+[F5]
IBM/Lenovo   [Fn]+[F7]
LG 
 [Fn]+[F7]
SONY   [Fn]+[F7]
EPSON 
 [Fn]+[F8]
Asus   [Fn]+[F8]
FUJITSU 
 [Fn]+[F10]
NEC   [Fn]+[F3]/[F5]
HP/Compaq 
 [Fn]+[F4]/[F5]
DELL   [Fn]+[F1]/[F8]
Apple   [F7]/[Command]+ [F2]
or 
System Preference



Monitor



Resolution
If you experience dif
ficulty changing resolutions or your monitor free zes,  
z
restart all equipment including the projector.
The screen of the 
Notebook computer 
is not displaying 
your presentation Some Notebook PCs may deactivate their own screens when a second 
 z
display device is in use. Each has a different way to be reactivated. 
Refer to your computer’s manual for detailed information.
—
Image is unstable or 
flickering Adjust [Phase] in the [Position] menu.
 z40
Vertical lines can be 
seen from the image Adjust [Clock] in the [Position] menu.
 z
Please change the output of the computer that is compatible with this  z
projector.
40
The image may 
be stretched due 
to different video 
sources When the video source is 16:9, adjust [16:9] in [Aspect Ratio] in the 
 z
[Position] menu.
When the video source is 4:3, adjust [4:3] in [Aspect Ratio] in the 
 z
[Position] menu.
If the image remains stretched after the previous settings, please adjus\
t 
 z
the aspect ratio of the player.
40
Image is too small 
or too large Move the projector closer to or further from the screen.
 z23~25
Confirm [Aspect Ratio] in the [Position] menu.
 z40
Image is reversed Confirm [Ceiling Mount] in the [Position] menu.
 z41
No 3D images Is [3D] item in the 3D setting menu set to [Auto] or [On]?
 z
Is [3D Format] set appropriately? z47
No 3D images during 
3D viewing Is the 3D glass out of battery? For chargeable 3D glass, please change 
 z
the glass. If the batteries run out, please change the batteries.
—
The projector stops 
responding to all 
controls If possible, turn off the projector, then unplug the power cord and wait at 
 z
least 30 seconds before reconnecting power.
55
Lamp burns out or 
makes a popping 
sound When the lamp reaches its end of life, it will burn out and may make a 
 z
loud popping sound. If this happens, the projector will not turn on unti\
l 
the lamp module has been replaced.
— 
						

							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 will be 
shut off soon. Unplug the power cord from the outlet and contact your 
dealer for details.
56
 Temperature Fail Message :   
 z
 
 
The internal temperature is too high and the power will be shut off soon, 
please confirm the display items.
Attention
Please contact your dealer if the projector still can not be operated no\
rmally after following the instructions above.  z
Note
The  operation may not optimize the image position or the resolution, depending on the input signal format or  z
the image contents. In this case, switch to a different image and execute  again. 
						

							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 conditions J
Signal levelRS-232C-compliant Character length8 bits
Sync. method Asynchronous Stop bit1 bit
Baud rate
19 200 bpsX parameter None
Parity None S parameterNone
 
Cable specifications J
[When connected to a computer]
Projector
1NC NC1
Computer (DTE 
specifications)
2 2
3 3
4 NC NC4
5 5
6 NC NC6
7 7
8 8
9 NC NC9
D-Sub 9-pin (male)
D-Sub 9-pin (female)
Connecting terminals  
on projector
Communication cable Computer
(straight) 
						

							Appendices
66 - ENGLISH
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.
End  
(1 byte)Parameter  
(undefined length)
Colon  
(1 byte)
3 command  characters   (3 bytes)Start  
(1 byte)
Parameter (6 bytes)
Symbol “+” or “-” (1 byte) and set value or 
adjustment value (5 bytes)
Operation (1 byte)
“=” (Value specified using parameter is set)
Same as basic format
Sub command (5 bytes) 
						

							Appendices
ENGLISH - 67
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 function 0 = OFF
1 = ON 
QPW Power query 000 = Standby
001 = Power on
Q$S Lamp condition query (Call back)
0 = Stand-by
1 = Lamp ON control active
2 = Lamp ON
3 = Lamp OFF control active 
						

							Appendices
68 - ENGLISH
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
R/PR
G/G  SYNC/Y
B/PB
HD/SYNC
VD
Pin assignments and signal names of  terminal J
Outside viewPin No.Signal names Pin No.Signal names
T.M.D.S data 2+T.M.D.S clock shield
T.M.D.S data 2 shieldT.M.D.S clock -
T.M.D.S data 2-CEC
T.M.D.S data 1+—
T.M.D.S data 1 shieldSCL
T.M.D.S data 1-SDA
T.M.D.S data 0+DDC/CEC GND
T.M.D.S data 0 shield+5V
T.M.D.S data 0-Hot plug detection
T.M.D.S clock +
Odd-numbered pins  to 
Even-numbered pins  to  
						

							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 ON
2 = Cool-down in progress     3 =Warm-up in progress
INPT Input selection Parameters
11 = Computer 1 
 12 = Computer 2   
21 = VIDEO                  22 = S-VIDEO              31 = HDMI 
INPT ?
Input selection query
AV M T AV MUTE control Parameters
30 = AV MUTE mode off
31 = AV MUTE mode on
AVMT ?
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 query The followings are returned as parameters. 
 “11, 12, 21, 22, 31”
NAME ? Projector name query The name set for [Projector name] in [LAN Settings] is returned.
INF1 ? Manufacturer name query “Panasonic” is returned.
INF2 ? Model name query Answer the model name with "CW330U", "CW240U" or 
" CX3 0 0 U ".
CLSS ? Class information query “1” is returned.
PJLink security authorization  J
The password for PJLink is the same as the password for Web Management. (Æpage 54)
When using PJLink without security authorization, set use without the password in Web Management.
For specifications regarding PJLink, refer to the Japan Business Machine and Information System
Industries Association website.
http://pjlink.jbmia.or.jp/english / 
						

							Appendices
70 - ENGLISH
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  (*2) 15.73
59.9 27.00 H - o
625i (576i) 720 x 576i
15.6350.0 13.50 Y - -
720(1 440) x 576i  (*2) 15.63
50.0 27.00 H - o
525p (480p) 720 x 48331.4759.9 27.00 Y/H - o
625p (576p) 720 x 57631.2550.0 27.00 Y/H - o
750 (720)/60p 1 280 x 72045.0060.0 74.25 Y/H - o
750 (720)/50p 1 280 x 72037.5050.0 74.25 Y/H - o
1125 (1080)/60i  1 920 x 1 080i33.7560.0 74.25 Y/H - o
1125 (1080)/50i 1 920 x 1 080i28.1350.0 74.25 Y/H - o
1125 (1080)/24p 1 920 x 1 08027.00 24.0 74.25 Y/H - o
1125 (1080)/60p 1 920 x 1 08067.5060.0 148.50 Y/H -
o
1125 (1080)/50p 1 920 x 1 08056.2550.0 148.50 Y/H - o
VGA 640 x 48031.47
59.9 25.18 R/H o o
35.00 66.7 30.24 R/H o o
37.86 72.8 31.50 R/H o o
37.50 75.0 31.50 R/H o o
43.27 85.0 36.00 R/H - -
61.90 119.5 52.50 R/H o o
SVGA 800 x 60035.16
56.3 36.00 R/H o o
37.88 60.3 40.00 R/H o o
48.08 72.2 50.00 R/H o o
46.88 75.0 49.50 R/H o o
53.67 85.1 56.25 R/H - -
77.40 119.9 83.00 R/H o o
MAC16 832 x 62449.7374.6 57.28 R/H o o
XGA 1 024 x 768 48.36
60.0 65.00 R/H o o
56.48 70.1 75.00 R/H o o
60.02 75.0 78.75 R/H o o
68.68 85.0 94.50 R/H - -
98.96 119.8 137.75 R/H o o
MAC21 1 152 x 87068.6875.1 100.00 R/H - -
1280x720
1 280 x 720 44.7760.0 74.50 R/H o o
1280x800 1 280 x 80049.7059.8 83.50 R/H o o
MSXGA 1 280 x 96060.00
60.0 108.00 R/H o o
75.20 75.0 130.00 R/H - -