Epson Projector Emp Tw20 User Guide

							Troubleshooting
39
Problem Solving
 The remote control does not work
Is the remote control light-
emitting area facing towards 
the remote control light-
receiving area when it is 
operated?Face the remote control towards the remote control light-receiving 
area.
The operating angle for the remote control is approximately ±30° 
horizontally and approximately ±15° vertically.   p.13
Is the remote control too far 
from the projector?The operating range for the remote control is approximately 6m. 
 p.13
Is direct sunlight or strong 
light from fluorescent lamps 
shining onto the remote 
control light-receiving area?Set the projector up in a location where strong light will not shine 
onto the remote control light-receiving area.
Are the batteries dead, or have 
the batteries been inserted 
correctly?Insert new batteries, while making sure that they face correctly. 
 p.13
Has a remote control button 
been pressed for more than 30 
seconds? If any of the buttons on the remote control are pressed down for 
more than 30 seconds, the remote control stops sending signals 
(remote controls sleep mode) . The purpose of this is to prevent the 
batteries from being consumed due to something being placed on top 
of the remote control. When the button is released, normal remote 
control operation will resume. 
						

							40
Maintenance
This section describes maintenance tasks such as cleaning the projector and replacing consumable parts.
Cleaning
You should clean the projector if it becomes dirty or if the quality of projected images starts to deteriorate.
Cleaning the air filter and air intake vent
If the air filter or air intake vent becomes blocked with dust, the 
message The projector is overheating. Clean or replace the air 
filter and lower the room temperature will be displayed and you 
must clean the filter or vent. 
To do so turn the projector upside-down and use a vacuum cleaner.
Cleaning the projector case
Clean the projector case by wiping it gently with a soft cloth.
If the projector is particularly dirty, moisten the cloth with water 
containing a small amount of neutral detergent, and then firmly 
wring the cloth dry before using it to wipe the projector case. Then 
wipe the case again with a soft, dry cloth.
Cleaning the lens
Use a commercially-available air blower, or use a lens cleaning 
paper to gently wipe the lens.
Be sure to read the separate Safety Instructions/World-Wide Warranty Terms booklet for 
details on safe handling of the projector during cleaning.
If dust collects on the air filter or the air intake vent, it 
can cause the internal temperature of the projector to 
rise, and this can lead to problems with operation and 
shortening of the optical engines service life. It is 
recommended that you clean these parts at least once 
every three months. Clean them more often than this if 
using the projector in particularly dusty environments.
Do not use volatile substances such as wax, alcohol or 
thinner to clean the projector case. These can cause 
the case to warp and make the coating finish peel off.
Do not rub the lens with harsh materials or subject the 
lens to shocks, as it can easily become damaged. 
						

							41
Maintenance
Appendix
Consumable replacement periods
Air filter replacement period
If the air filter has been broken or the Replace message is displayed even though the air 
filter has been cleaned.
Replace with an optional air filter.
 Replacing the air filter p.42
Lamp replacement period
•The message Replace the lamp. appears on the screen when projection starts.
•The projected images get darker or start to deteriorate.
•The replacement warning message is set to appear after a minimum of about 1900 
hours of lamp use in order to maintain the initial brightness and quality of the 
projected images. The time taken for the message to appear will vary depending on 
usage conditions such as Color Mode settings.
If you continue to use the lamp after this period, the possibility of the lamp breaking 
becomes greater. When the lamp replacement message appears, replace the lamp 
with a new one as soon as possible, even if it is still working.
•Depending on the characteristics of the lamp and on the way it has been used, the 
lamp may become darker or stop working before the lamp warning message appears. 
You should always have a spare lamp ready in case it is needed.
•Contact your dealer for a spare lamp.
A message will be displayed.
TIP 
						

							42
Maintenance
Replacing consumables
Replacing the air filter
Replacing the lamp
Resetting the lamp operating time
Turn off the power, wait 
until the projector cools 
down and the beep 
beep tone sounds, then 
disconnect the power 
cable.Remove the air filter 
cover.
Put your finger under the latch 
and pull it upward.
Dispose of used air 
filters properly in 
accordance with your 
local regulations.
Air Filter: 
Polypropylene
TIP
Turn off the power, wait 
until the projector cools 
down and the beep 
beep tone sounds, then 
disconnect the power 
cable.
* Wait until the lamp cools 
down (takes 
approximately 1 hour).Remove the lamp cover.
To remove the cover, use a 
screwdriver (the one supplied in 
the same package as the 
optional lamp) inserted into the 
lamp cover open switch.
Securely tighten the 
lamp fixing screws.Install the lamp cover.
If the lamp stops working 
and needs to be 
replaced, there is the 
danger that the lamp 
may already be broken.
If replacing the lamp of a 
projector which has been 
installed to the ceiling, 
you should always 
assume that the lamp is 
broken and handle it with 
extreme care during 
removal. Furthermore, 
you should stand to the 
side of the projector, not 
underneath it.
Press       to turn on 
the power.Press       to display the 
configuration menu.
The lamp operating time 
must always be reset after 
the lamp has been replaced 
with a new one.
The projector has a built-in 
counter which keeps track 
of the lamp operating time. 
When the cumulative 
operating time reaches a 
certain point, it causes the 
replacement warning 
message to be displayed.  
						

							43
Maintenance
Appendix
Remove the old air 
filter.Insert the new air filter. Install the air filter cover.
Loosen the lamp fixing 
screws.Remove the old lamp.
Pull out straight.
Insert the new lamp.
Make sure that it faces 
the correct way.
Install the lamp and the lamp cover securely. The lamp will not 
turn on if the lamp or the lamp cover is not installed correctly.
The lamp contains mercury. Dispose of used lamps properly in 
accordance with your local regulations.
Select Lamp - Hours Reset 
from the Reset menu.Select Yes and then 
press      . 
						

							44
Optional Accessories
The following optional accessories are available for purchase if required. This list of optional 
accessories is current as of June, 2005. Details of accessories are subject to change without notice.
Varies depending on country of purchase.
Lamp Unit ELPLP33
(1 spare lamp, 1 spare screwdriver)
Use as a replacement for spent lamps.
Air Filter Set ELPAF09
(1 air filter)
Use as a replacement for old air filters.
50 Portable Screen ELPSC06
A compact screen which can be carried easily. 
(Aspect
 4:3)
60 Portable Screen ELPSC07
80 Portable Screen ELPSC08
100 Portable Screen ELPSC10
A portable roll-type screen. (Aspect 4:3)
80 Spring Roller Screen ELPSC15
A roll-up screen.
(Aspect 16:9)
Screen Stand ELPSCST01
A stand for the 80 Spring Roller Screen.
Soft Carry Case ELPKS54
Use this case if you need to carry the projector by 
hand.
VGA-HD15 PC Cable (1.8 m) ELPKC02
VGA-HD15 PC Cable (3 m) ELPKC09
VGA-HD15 PC Cable (20 m) ELPKC10
(For mini D-Sub 15-pin/mini D-Sub 15-pin)
Use to connect the projector to a computer.
Ceiling Mount*ELPMB19
(with ceiling plate)
Use when installing the projector to a ceiling.
Celling Pipe 600 (600 mm/white)*ELPFP07
Use when installing the projector to a high ceiling or 
a ceiling with veneer panels.
*A special method of installation is required in order to 
suspend the projector from the ceiling. Please contact 
the place of purchase if you would like to use this 
installation method. 
						

							45
Appendix
List of Supported Monitor Displays
Depending on the setting, the output screen resolution will change slightly.
Component Video
*Letterbox signal
Composite Video/S-Video
*Letterbox signal
RGB Video/Computer
*1 Connection is not possible if the equipment does not have a VGA output port.
*2 Letterbox signal
It may be possible to project signals which are not listed in the above table. However, not all 
functions may be supportable with such signals.
  : Aspect     Units: Dots
SignalResolutionAspect mode
NormalSqueezeZoom
SDTV
(525i, 60Hz)
(D1)640×480
640×360*640×480 854×480 854×480
SDTV(625i, 50Hz)768×576
768×432
*640×480 854×480 854×480
SDTV(525p)
(D2)640×480
640×360
*640×480 854×480 854×480
SDTV(625p)768×576
768×432
*640×480 854×480 854×480
HDTV
(750p)16:9
(D4)1280×720854×480
--
HDTV(1125i)16:9
(D3)1920×1080854×480
--
  : Aspect    Units: Dots
SignalResolutionAspect mode
NormalSqueezeZoom
TV(NTSC
)640×480
640×360*640×480 854×480 854×480
TV
(PAL
, SECAM)768×576
768×432*640×480 854×480 854×480
Units: Dots
SignalResolutionAspect mode
NormalSqueezeZoom
VGA
60640×480
640×360*2640×480 854×480 854×480
VESA72/75/85, iMac
*1640×480
640×360*2640×480 854×480 854×480
SVGA
56/60/72/75/85, 
iMac*1800×600
800×450*2640×480 854×480 854×480
XGA
60/70/75/85,
iMac*11024×768
1024×576*2640×480 854×480 854×480
MAC13 640×480 640×480 854×480 854×480
MAC16 832×624 640×480 854×480 854×480
MAC19 1024×768 640×480 854×480 854×480
SDTV(525i, 60Hz)640×480
640×360
*2640×480 854×480 854×480
SDTV(525p)640×480
640×360
*2640×480 854×480 854×480
SDTV(625i, 50Hz)768×576
768×432
*2640×480 854×480 854×480
SDTV(625p)768×576
768×432
*2640×480 854×480 854×480
HDTV(750p) 1280×720 854×480 - -
HDTV(1125i) 1920×1080 854×480 - -
4:316:9
4:316:916:9
4:316:916:9
4:316:916:9
4:316:916:9
16:9
16:9
4:316:9
4:316:916:9
4:316:916:9 
						

							46
Specifications
Angle of tilt
If you set the projector higher than 30º, it could damage the projector and cause an accident.
Product nameHome Projector EMP-TW20
Dimensions373 (W) × 111 (H) × 295 (D) mm (not including feet)
Panel size0.55 inches
Display methodPolysilicon TFT active matrix
Resolution409,920 pixels (854 (W) × 480 (H) dots) × 3
Scanning frequenciesAnalogue Pixel clock :13.5 – 110 MHz
Horizontal :15 – 92 kHz
Vertical :50 – 85 Hz
Focus adjustmentManual
Zoom adjustmentManual (approx. 1 : 1.5)
Lens shiftManual (Maximums: Approx. 50% vertically, 25% horizontally)
Lamp (light source)UHE lamp, 135 W, Model No.: ELPLP33
Max.audio output1W Monaural
Speaker1
Power supply100- 240VAC 50/60Hz 2.3-1.0A
Power Consumption
Operating: 200W(100-120V area), 190W(200-240V area)
Standby:   4.0W(100-120V area), 5.0W(200-240V area)
Operating 
temperature+5° – +35°C (No condensation)
Storage temperature-10° – +60°C (No condensation)
WeightApprox. 3.5 kg 
Por t sInputA 1 RCA pin jack × 4
InputB 1 Mini D-Sub 15-pin (female) blue
Video input 1 RCA pin jack
S-Video input 1 Mini DIN 4-pin
Audio input 1 RCA pin jack × 2 (L, R)
Control (RS-232C) 1 D-Sub 9-pin (male)
Pixelworks DNXTM ICs are used in this Projector.
030
030030
030 
						

							47
Specifications
Appendix
RS-232C cable layout
Safety
USA
UL60950 Third Edition
Canada
CSA C22.2 No.60950
European Community
The Low Voltage Directive 
(73/23/EEC)
IEC60950 3
rd Edition
EMC
USA
FCC Part 15B Class B (DoC)
Canada
ICES-003 Class B
European Community
The EMC Directive 
(89/336/EEC)
EN55022, Class B
EN55024
IEC/EN61000-3-2
IEC/EN61000-3-3
Australia/New Zealand
AS/NZS CISPR 22:2002 Class B
•Connector shape: D-Sub 9-pin (male)
•Projector input connector: Control (RS-232C)
(PC serial cable)Signal Function
GND55GNDGND Signal wire earth
RD23TDTD Transmit data
TD32RDRD Receive data
DTR46DSRDSR Data set ready
DSR64DTRDTR Data terminal ready
 
						

							48
Specifications
We :EPSON AMERICA, INC.
Located at  : 3840 Kilroy Airport Way
  MS: 313
  Long Beach, CA 90806
Tel : 562-290-5254
Declare under sole responsibility that the product identified herein, complies with 47CFR Part 
2 and 15 of the FCC rules as a Class B digital device. Each product marketed, is identical to 
the representative unit tested and found to be compliant with the standards. Records 
maintained continue to reflect the equipment being produced can be expected to  be within 
the variation accepted, due to quantity production and testing on a statistical basis as required 
by 47CFR 2.909. Operation is subject to the following two conditions : (1) this device may not 
cause harmful interference, and (2) this device must accept any interference received, 
including interference that may cause undesired operation.
Trade Name : EPSON
Type of Product : Projector
Model : EMP-TW20
FCC Compliance Statement
For United States Users
This equipment has been tested and found to comply with the limits for a Class B digital 
device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide 
reasonable protection against harmful interference in a residential installation. This equipment 
generates, uses, and can radiate radio frequency energy and, if not installed and used in 
accordance with the instructions, may cause harmful interference to radio or television 
reception. However, there is no guarantee that interference will not occur in a particular 
installation. If this equipment does cause interference to radio and television reception, which 
can be determined by turning the equipment off and on, the user is encouraged to try to 
correct the interference by one or more of the following measures.
 Reorient or relocate the receiving antenna.
 Increase the separation between the equipment and receiver.
 Connect the equipment into an outlet on a circuit different from that to which the receiver is 
connected.
 Consult the dealer or an experienced radio/TV technician for help.
WARNING
The connection of a non-shielded equipment interface cable to this equipment will invalidate 
the FCC Certification or Declaration of this device and may cause interference levels which 
exceed the limits established by the FCC for this equipment. It is the responsibility of the user 
to obtain and use a shielded equipment interface cable with this device. If this equipment has 
more than one interface connector, do not leave cables connected to unused interfaces. 
Changes or modifications not expressly approved by the manufacturer could void the user’s 
authority to operate the equipment.DECLARATION of CONFORMITY
According to 47CFR, Part 2 and 15 
Class B Personal Computers and Peripherals; and/or 
CPU Boards and Power Supplies used with Class B 
Personal Computers