Toshiba Projector Tdp Et20 User Manual

							51
Maintenance
6 Install the new lamp.
Insert the new lamp into position and lock it 
into place with the three lamp locking screws.
7 Replace the lamp cover.
Align the cover, and press it in, then tighten the 
screws loosened in step 4 until the lamp cover 
is no longer loose.
8 Reset the lamp timer.
Reset the lamp timer by using “lamp timer 
reset” in Setup menu. 
p.46
■ Notes and Precautions
• The Lamp time item in the Status display menu indicates the “estimated” time of lamp 
use. 
p.47
•  Attach the lamp cover so that it is not loose. If it is not attached correctly, the projector 
and/or lamp may not work correctly.
•  When replacing the lamp, always use a new lamp.
•  The lamp is made out of glass and is fragile. Do not touch the lamp your bare fi ngers. 
Handle the lamp with a wrap or gloves. Do not drop or shake the lamp. Doing so may 
cause damage to the lamp.
■ Lamp Environmental Safety
This projector’s lamp contains trace amounts of environmentally harmful inorganic 
mercury.
Be careful not to break new or used lamps. Dispose of used lamps in accordance with lo-
cal regulations. 
						

							52
 WARNINGRequest cleaning and maintenance of a ceiling-mounted unit from your projector 
dealership. Attempting to clean/replace the lamp at a high site by yourself may cause you 
to drop down, thus resulting in injury.
■ Lens cleaning
•  Clean the lens with a commercially available blower 
and/or lens cleaner.
•  The lens is easily scratched, so do not rub it with hard 
objects, or strike it.
■ Main unit cleaning
•  Clean the main unit after unplugging the power cord.
•  Wipe dirt off the main unit gently with a soft cloth.
•  If the soiling is severe, dip the cloth in a neutral deter-
gent diluted in water, wring well, and gently wipe off 
the dirt, then fi nish up by wiping with a dry cloth.
■ Replacing cooling fans
To maintain the performance, it is recommended that cooling fans should be replaced 
about every 2 to 3 years. Consult with your dealer for details.
Lens and main unit cleaning 
						

							53
Others
Trouble indications
The indicator lights inform you of internal abnormalities.
LED indicators State/Problems
No LED litNo power
 ⇒  Problem with projector
•  Unplug the power cord, and contact your dealer.
 ⇒  The lamp cover is not properly attached.
•  Unplug the power cord, and reattach the lamp cover.
Red LED is fl ashing at ON/
STANDBY indicator (2Hz)Power went out during use
 ⇒  Internal overheating, or the outside temperature is too high.
•  Place the projector so that the air intake and exhaust are not 
blocked.
•  Unplug the power cord and wait for a short while, then turn 
the power back on.
❈ The icon will appear before the power goes out.
❈ After approx. one minute of abnormal display, the projector 
returns to the standby state waiting for internal cool down.
Red LED is fl ashing at ON/
STANDBY indicator (5Hz)Power went out during use
 ⇒  Problem with internal cooling fan.
•  Unplug the power cord, and contact your dealer.
❈ The icon will appear before the power goes out.
❈ After approx. one minute of abnormal display, the projector 
returns to the standby state waiting for internal cool down.
Red LED lit at ON/STAND-
BY indicatorPower went out during use, or won’t come on
⇒  Lamp temperature is high so that it is diffi cult to turn on, 
the lifetime of the lamp has ended or the projector is 
malfunctioning.
•  Unplug the power cord and wait for a short while, then turn 
the power back on.
•  If a lamp burns out, replace it with a new one.
❈ After approx. one minute of abnormal display, the projector 
returns to the standby state waiting for internal cool down. 
						

							54
Before calling service personnel
If you think something is wrong, check the followings before contacting customer service. 
Please see “Trouble indications” p.53 as well.
If This Happens Check
No Power•  Is the power cord plugged in? Is it connected to the projector?
•  Is the lamp cover loose?
The projector 
won’t be activate•  Is pressing & releasing ON/STANDBY key too quick? Press the 
ON/STANDBY key on control panel for 3~5 seconds & release 
while the red LED is still lit.
Power goes out 
during use•  Is the ambient temperature high?
•  Is the air intake or air exhaust blocked?
No picture•  Is the projector turned on?
•  Is the mute function on?
•  Is the brightness setting minimized?
•  Are the connections set up correctly?
•  Are all the connected devices functioning properly?
No audio•  Is the projector turned on?
•  Is the mute function on?
•  Is the volume setting minimized?
•  Are the connections set up correctly?
•  Are all the connected devices functioning properly?
Picture not dis-
played correctly•  Is the input signal supported by the projector?
•  Is there something generating an abnormal video signal, for 
instance the video tape?
Picture blurred
Part of picture 
out of focus•  Is the lens dirty?
•  Is the lens focus adjusted optimally?
•  Is the projection distance within the projector’s supported range?
•  Is the projector’s screen placement angle tilted too far?
•  Is the sharpness or sampling phase adjustments off?
Image is dark•  Is the brightness or contrast adjustments off?
•  Is the lamp nearing the end of its service life?
Remote control 
doesn’t work•  Are the remote control’s batteries drained?
•  Are the batteries inserted into the remote control correctly?
•  Is the remote control being used within the effective range?
•  Are there any obstructions between the remote control and 
projector?
•  Are there any fl uorescent or other bright lights shining at the 
projector’s infrared remote sensor? 
						

							55
Others
For TDP-ET20
If This Happens Check
Playback does 
not start•  Is the disc inserted?
•  Is the disc inserted upside down?
•  Is an unplayable disc inserted?
•  Is the disc dirty?
•  Is the parental lock function set?
The playback 
picture has occa-
sional distortion.•  Is the disc dirty?
•  Is the play mode in fast forward or fast reverse playback?
Playback does 
not follow the 
course of the 
disc’s programs•  Is it in the mode of repeat playback or random playback?
DVD operation 
keys do not work•  Power supply fl uctuation or other abnormalities such as static 
electricity may interrupt correct operations.
Press 
 /  key for 5 seconds, and then DVD player will eject 
the disc. If DVD player still don’t work, turn OFF the POWER, 
disconnect and then reconnect the AC power cord, and turn ON 
the projector again. 
						

							56
Specifi cation
Item Specifi cation
Consumption Power 340 W
Input Rating 100~240V AC, 50~60 Hz, 4.0A
Weight 4.8 kg (TDP-ET10)  5.0 kg (TDP-ET20)
External Dimensions 321 x 154 x 344 mm (W × H × D)
Cabinet material PC+ABS resin
Conditions for usage environ-
mentTemp: 5°C to 35°C;
relative humidity: 30% to 70%
Display pixels 1 chip DMD™
Picture elements 409, 920 pixels (854H x 480V)
Lens F=2.6 f=7.56 mm
Lamp High-pressure mercury lamp (230 W)
Projection screen size 38~134 inches
Projection distance 0.5~1.9 meters
DVD player (for TDP-ET20) 12.7mm-high Slim type, slot load mechanism
Built-in 5.1 SpeakersSub woofer  5W
Front 1.5W
Rear/Center 2.5W
Control terminal Serial: Dsub 9 pin
Computer IN terminal Mini D sub 15 pin RGB
Component (Y/P
B/PR) 
IN terminalY: RCA Pin Jack  1 V (p-p), 75Ω
PB: RCA Pin Jack  0.7 V (p-p), 75Ω
PR: RCA Pin Jack  0.7 V (p-p), 75Ω
S-Video IN terminal Mini DIN 4 pin
VIDEO IN terminal RCA Pin Jack  1 V (p-p), 75Ω
Digital AV IN terminal HDMI terminal type A
Analog audio IN terminal 3.5mm dia. stereo mini-jack, 1.5 V (rms)
Digital audio IN terminal Coaxial IN: 0.5 V (p-p), 75 Ω
Digital audio OUT terminal Coaxial OUT: 0.5 V (p-p), 75 Ω
■ Note
Designs and specifi cations are subject to change without notice. This model may not be 
compatible with features and/or specifi cations that may be added in the future.
■   Separately sold product Replacement Lamp Model TLPLET10.
Connection terminal
■  List of general specifi cations 
						

							57
Others
■  List of supported signals (Y/Pb/Pr signals)
Signal format fh (kHz) fv (Hz)
 480i(525i)@60Hz 15.73 59.94
480p(525p)@60Hz 31.47 59.94
576i(625i)@50Hz 15.63 50.00
576p(625p)@50Hz 31.25 50.00
720p(750p)@60Hz 45.00 60.00
720p(750p)@50Hz 37.50 50.00
1080i(1125i)@60Hz 33.75 60.00
1080i(1125i)@50Hz 28.13 50.00
■  List of supported signals (Video, S-Video signals)
Video mode fh (kHz) fv (Hz) fsc (MHz)
NTSC 15.73 60 3.58
PAL 15.63 50 4.43
SECAM 15.63 50 4.25 or 4.41
PAL-M 15.73 60 3.58
PAL-N 15.63 50 3.58
PAL-60 15.73 60 4.43
NTSC4.43 15.73 60 4.43 
						

							58
■ CONTROL terminal
Conditioning of the projection unit 
can be also done by a computer via 
the RS-232C.
● Pin assignment
● Interface format
1.  Communication method  RS-232C, 9600bps, No Parity, Data Length: 8 bits;
Stop Bit Length: 1 bit
2. Communication format 
Only 1 command valid per communication.
3.  Data format  For input commands, only ASCII-compliant 
all-uppercase alphanumeric characters supported.
4. Replies
  If commands are to be sent consecutively, wait for the response from the projector 
before sending the next command.
● Main Commands
ItemCommand Item Command
DVD play DPL Input Component IN2
DVD stop DST Input HDMI IN3
Vol. up VLU Input Video IN9
Vol. down VLD Input S-video INA
Input Computer IN1 Input DVD INB
■ Note
•  Contact your dealer for control cable and other commands.
STX (02h) Command (3Byte) ETX (03h)
Acknowledge ACK (06h) CR (0Dh) Data ... Normally ended
ACK (06h) ESC (1Bh) ... Aborted
No acknowledgeNAK (15h)
Specifi cation (Continued)
Pin No. Signal Name Description
1 N.C No connection
2 RXD Receiving data
3 TXD Sending data
4 DTR Data terminal ready
5 GND Signal ground
6 DSR Data set ready
7 RTS Request to send
8 CTS Consent to send
9 N.C No connection
D-sub 9 pin
15
69