Panasonic LCD Projector Pt Tw230 Operating Instructions

							Replacement
ENGLISH - 61
Maintenance
 JReplacing the Lamp unit
CAUTION:
When the projector is mounted on a ceiling, do not work with your face close 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.
Turn off the Power by following the procedure 1 ) 
in "Turning Off the projector" (Æpage 27). 
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  2 ) 
lamp cover fixing screw and remove the l 
amp 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   z
opposite the direction of the arrow.
 
 
 
 JResetting the Lamp Runtime
Be sure to reset the [Lamp runtime] after replacing the lamp. ( zÆ page 54 " Lamp runtime reset")
Lamp cover
Lamp coverfixing screw
Handles
Lamp unit
Lamp cover fixing screw 
						

							Replacement
62 - ENGLISH
Maintenance
Attaching the Lens Cover
When moving this projector or while not using it over an extended period of time, attach the lens cover.
Attach the lens cover according to the following procedures.
Thread the string through the hole on the  1 ) 
lens cover and then tie a knot in the string  
to secure it in place.
To pass the other end of the string into  2 ) 
the hole on the bottom of the projector  
and pull at it. 
						

							ENGLISH - 63
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?
24, 57
The lamp cover has not been securely installed. z—
No picture appears.
The video signal input source may not be connected to a terminal  z
properly.
22
The input selection setting may not be correct. z29
The [Brightness] adjustment setting may be at the minimum setting. z—
The input source which is connected to the projector may have a  z
problem.
—
The [AV mute] function may be in use. z31
The picture is fuzzy.
The lens focus may not have been set correctly. z28
The projector may not be at the correct distance from the screen. z20
The lens may be dirty. z12
The projector may be tilted too much. z—
The color is pale or 
grayish.
[Color] or [Tint] adjustment may be incorrect. z41
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. z22
The volume may have been set to the minimum level. z31
The [AV mute] function may have been turned on. z31
When the AUDIO OUT is plugged-in, the projector's built-in speaker is  z
not available.
17
The [Mute] function may have been turned on. z31
The remote control 
does not operate.
The batteries may be weak. z—
The batteries may not have been inserted correctly. z18
The remote control signal receptor on the projector may be obstructed. z15
The remote control unit may be out of the operation range. z15
Strong light such as fluorescent shine onto the signal receptor. z15
When different codes are set on the projector and on the remote contro zl.53
The control buttons 
of the projector do 
not operate.
The control panel is not available if the control panel is locked at [Ke\
y  z
lock] under [Security] of [Setting] section.
53
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
—
—
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— 
						

							Troubleshooting
64 - ENGLISH
Maintenance
ProblemCauseReference 
page
Picture from a HDMI 
device does not 
appear or picture is 
not stable.
Is the HDMI cable securely connected? z22
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? z69
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/COMPONENT AUDIO IN terminal and set 
to "Computer" in "Sound" of "Setting" menu. 
50
The image is 
distorted or runs off.
Check [PC adj.] or [Screen] and adjust them. z38, 44
The exclamation 
mark      appears on 
the screen.
Your operation is invalid. Operate correctly. z—
Note
If the problem persists, after confirming the contents of the table, please consult your dealer. z 
						

							ENGLISH - 65
Appendix
Technical Information
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.
 JConnection
 JPin assignments and signal names
D-Sub 9-pin (male)
Outside viewPin No.Signal nameContents
—NC
RXDReceived data
TXDTransmitted data
—NC
GNDEarth
—NC
—NC
—NC
—NC
 JCommunication conditions
Signal levelRS-232C-compliantCharacter length8 bits
Sync. methodAsynchronousStop bit1 bit
Baud rate19200 bpsX parameterNone
ParityNoneS parameterNone
Note
When [AMX D. D.] function is set to [On] under the [Network] menu, the B\
aud rate will change to 9600 bps  z
automatically.
D-Sub 9-pin (female)
D-Sub 9-pin (male)
Connecting terminals  
on projector
Communication cable
Computer 
						

							Technical Information
66 - ENGLISH
Appendix
 JBasic format
Transmission from the computer begins with STX, then the command, paramet\
er, 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\
.: 
 JBasic format (with sub command)
STX C1C2C3 :  ETX
S1S2S3S4S5 EP1P2P3P4P5P6
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) 
						

							Technical Information
ENGLISH - 67
Appendix
 JCable specifications
[When connected to a computer]
Projector
1NCNC1
Computer (DTE 
specifications)
22334NCNC45566778899
 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
SVD = S-video 
RG1 = Computer 1(RGB)
RG2 = Computer 2(RGB)
HD1 = HDMI
SCT = Computer 1(Scart)
OSHAV 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.
OFZFreezeSending the command switches ON/OFF.
AUUVolume up
AUDVolume down
DZUD. ZOOM up
DZDD. ZOOM down
QPWPower query000 = Standby
001 = Power on
Q$SLamp condition 
query
(Call back)
0 = Stand-by
1 = Lamp ON control active
2 = Lamp ON
3 = Lamp OFF control active 
						

							Technical Information
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  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   J
terminal
Outside viewPin No.Signal names
, , , ,  : Not assigned
 - ,  : GND terminals
R
G
B
HD/SYNC
VD
Pin assignments and signal names of  terminal J
Outside viewPin No.Signal namesPin 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  
						

							Technical Information
ENGLISH - 69
Appendix
List of compatible signals
The following table specifies the types of signals compatible with the projectors.
Format :   V = VIDEO, S = S-VIDEO, C = COMPUTER, Y = YPBPR, H = HDMI
Mode
Display 
resolution *1 
(dots)
Scanning 
frequencyDot clock 
frequency 
(MHz)
Picture 
quality *2PnPFormat
H (kHz)V (Hz)
NTSC/NTSC 4.43/
PAL-M/PAL 60720 x 48015.759.9--AV/S
PAL/PAL-N/SECAM720 x 57615.660.0--AV/S
480p640 x 48031.4759.8825.2A
C/Y
480i640 x 480i15.73460.0012.2727A
576p768 x 57631.2550.0029.5A
576i768 x 576i15.62550.0014.75A
720p1280 x 72037.5050.0074.25A
45.0060.0074.25A
1035i1920 x 1035i33.7560.0074.25A
1080i1920 x 1080i28.12550.0074.25A
33.7560.0074.25A
VGA
640 x 480
31.4759.8825.149A○
C
37.8674.3831.50A○
37.8672.8131.50A○
37.5075.0031.50A○
43.26985.0036.00A
640 x 40031.4770.0925.175A
720 x 40031.4770.0928.322A
SVGA800 x 600
35.15656.2536.00A○
37.8860.3240.00A○
46.87575.0049.50A○
53.67485.0656.25A○
48.0872.1950.00A
37.9061.0340.02A
34.5055.3836.432A
38.0060.5140.128A
38.6060.3138.60A
32.7051.0932.70A
38.0060.5140.128A
MAC1280 x 96075.0075.08126.00A○
1280 x 102480.0075.08135.20A○
MAC 13640 x 48035.0066.6730.24A○
MAC LC13640 x 48034.9766.6031.33A○
MAC 16832 x 62449.7274.5557.283A○
MAC 191024 x 76860.2475.0880.01A○
MAC 211152 x 87068.6875.06100.00A○
“i” added to the resolution value indicates an interlaced signal.*1 : 
Picture quality is indicated by the following symbols.*2 : 
AA: Maximum picture quality can be obtained.
A: Signals are converted by the image processing circuit. 
						

							Technical Information
70 - ENGLISH
Appendix
Mode
Display 
resolution *1 
(dots)
Scanning 
frequencyDot clock 
frequency 
(MHz)
Picture 
quality *2PnPFormat
H (kHz)V (Hz)
SXGA +1400 x 1050
63.97060.190107.99A
C
65.35060.120122.85A
65.12059.900122.43A○
XGA
1024 x 768
48.3660.0065.00A
68.67784.97794.504A○
60.02375.0378.75A○
56.47670.0775.00A○
60.3174.9279.252A
48.5060.0265.179A
44.0054.5859.129A
63.4879.3583.41A
62.0477.0784.375A
61.0075.7081.00A
46.9058.2063.03A
47.0058.3061.664A
58.0372.0074.745A
1024 x 768i36.0087.1747.30A
35.52286.9644.90A
SXGA
1152 x 86464.2070.4094.56A
1152 x 900
61.2065.2092.00A
71.4075.60105.10A
61.8566.0094.50A
1280 x 96060.0060.00108.00A○
1280 x 1024
62.5058.60108.00A
63.9060.00107.35A
63.3459.98108.18A
63.7460.01109.497A
71.6967.19117.004A
81.1376.107135.008A
63.9860.02108.00A
79.97675.025135.00A○
63.3760.01111.52A
76.9772.00130.08A
63.7960.18108.19A
91.14685.024157.5A
1280 x 1024i
50.0086.0080.00A
50.0094.0080.00A
46.4386.7078.745A
UXGA1600 x 1200
75.0060.00162.00A○
81.2565.00175.50A
87.570.00189.00A
93.7575.00202.50A
“i” added to the resolution value indicates an interlaced signal.*1 : 
Picture quality is indicated by the following symbols.*2 : 
AA: Maximum picture quality can be obtained.
A: Signals are converted by the image processing circuit.