Optoma EP680 Manuale utente
Service Manual
1-1
Chapter 1
1. Introduction
This manual is applied to three panels, metal halide lamp and the mode 1024 * 768 pixels
color TFT LCD Projector. The manual gives you a brief description of basic technical
information to help in service and maintaining the product.
CTX-Opto is a specialist in the LCD Projection field.Your customer will appreciate the
quick response time when you immediately identify problems that you occur with our
products. We expect your customer will appreciate the service that you have given them.
This manual is for technicians and people who have an electronic background. Send the
product backs to the distributor for repair and do not attempt to do anything that is
complex or is not mentioned in the troubleshooting.
Service Manual
1-2
1.1 Projector standard features
q12.5 lbs (5.7kg) lightweight design
q450ANSI lumens high brightness
q250-watt user replaceable metal-halide lamp
qTriple 1.3” Poly-silicon TFT LCDs projection system
q1024 * 768 addressable pixels
qCompression for 1280 * 1024 SXGA computer image
q16.7M displayable colors
qSXGA/XGA/SVGA/VGA/VESA/Mac/NEC PC-98/Fujitsu FM Towns compatible
qNTSC/PAL/SECAM composite video & S-video
qRemote control with mouse function
qMotor zoom and focus projection lens
qIntelligent resizing function
qMultilingual OSDmenu adjustments
Service Manual
1-3
1.2 The appropriate operation for using projector
qDo not place anything which would block either the panel or overhead the projector’s
cooling slots.
qThe housing may be cleaned with a soft cloth moistened with a diluted solution of mild
cleaning solution.
qThe product’s LCD panel and lens are extremely sensitive; do not use abrasivecleaners,
waxes or solvents.
qPress “RESET” if anything appears wrong.
qIf the display is unstable or flickering, adjust by using “TRACK” and “CON/BRI”
function.
qThe Remote Control unit uses two AAalkaline batteries.
qNo image appears on the screen, check the following:
§Press the “POWER/STANDBY” button and ensure all cables and power connections are correctly and
securely connected.
§Ensure the pins of connectors are not crooked or broken.
§Check if the projection lamp has securely installed.
§Ensure the cooling fan is on. If not, you may need to change the fuse.
1.3 Technical specification
qLCDpanel Active Matrix TFT color LCD
1.3” Poly-silicon panel * 3
tr=14ms, tf=34ms response time
250:1 contrast ratio (typical)
18 % high optical transmittance
qBrightness 450ANSI Lumens
Service Manual
1-4
qLamp 250-watt metal-halide
qUniformity 85%
qDisplayresolution 1024 pixels(H) * 768 lines(V)
qDisplayablecolor 16.7 M colors
qProjection lens F2.5~3.2, f47~75mm with 1.6x motor zoom/focus
qProjection image size Adjustable 20” to 640”
qProjection distance 3.6 ft. to 75.6 ft. / 1.1m to 23m
qComputercompatibility IBM & VESAVGA 640 * 350, 70/85Hz
640 * 400, 70/85Hz
720 * 400, 70/85Hz
640 * 480, 60/72/75/85Hz
VESASVGA 800 * 600, 56/60/72/75/85Hz
VESAXGA 1024 * 768, 60/70/75/85Hz
XGA 1280 * 1024 compression 60/72/75Hz
Apple Macintosh LC 13” 640 * 480, 67Hz
Apple Macintosh II 13” 640 * 480, 67Hz
Apple Macintosh 16” 832 * 624, 75Hz
Apple Macintosh 19” 1024 * 768, 75Hz
NEC PC-98 series 640 * 400, 56/70Hz
640 * 480, 60Hz
Fujitsu FM Towns 640 * 400, 55Hz
640 * 480, 60Hz
qHorizontal Scan Rate 15~80kHz horizontal scan
qVertical Scan Rate 50~85Hz vertical refresh
Service Manual
1-5
qVideocompatibility NTSC/PAL/SECAM compatible
Composite video & S-video capability
qMultimediaaudio two internal speakers w/3 watts output
built-in amplifier w/3 watts * 2 output
qRemote control Joystick type pointing device
infrared technology with backlight
Microsoft and Macintosh mouse compatible
qUser control Multilingual OSDmenu adjustments
auto-save and reset capability
multifunction presentation & image control
A.system
§Power on/off §on/standby
§OSDmenu §language
§Focus adjustment §zoom lens adjustment
§reverse §rear projection
§ceiling
B.presentation
§pointer §curtain
§enlarge §freeze
C.image
§contrast §brightness
§color §tint
§tracking §frequency
§VGAtext/graphics
D.audio
§volume §mute
§bass §treble
§balance §sound mode
qPowersupply auto switch
AC input 100~120/200~240V, 50/60Hz
Service Manual
1-6
qPowerconsumption 340 watts at normal operation
2 watts at standby mode
qNoise 42 dB
qI/O connectors power: AC power input socket
computer input: HDB 15-pin female connector
computeroutput: HDB 15-pin female connector
video input: composite video RCAjack*1
S-video jack*1
audio input: 2 pairs of L/R RCA jacks
audio output: 1 pair of L/R RCA jacks
Remote mouseinput: DIN 9-pin female connector
qWeight 12.5lbs / 5.7kgs
qDimensions(W*H*D) 9.8”*5.9”*11.7”(15.7)/250*150*298(398)mm
qEnvironmental operation temperature: 10°C to 32°C
humidity: 80%maximum
qSafety/Regulation FCC classA, CE Mark, VCCI-I, UL, TUV
qPackage the EzPro 680 contains followings:
§LCD projector §VGAcable
§Power cord §S-video cable
§Quick start cards §User’s Manual
§Mac multi-signal switch adapter
§Mac monitor loop-through adapter
§Audio cable for computer
§RCAvideo & audio input cable
§Wireless remote mouse sets
§Carrying case (option)
§NEC PC-98 adapter (option)
§NEC PC-98 adapter (option)
Service Manual
2-1
Chapter 2
2. Mechanical construction
This section provides exploded view and replaceable parts for LCD projector. The replaceable
parts listed in order to you can quickly place an order for correct parts and also replace them in short
time.
Service Manual
2-2
2.1 Package overview
42.50209.011
35.50207.001 46.80301.001
42.80715.00142.80707.001 42.53001.051
15P Mac
Switch Adapter 15P 1800mm
VGACable Audio-In Cable
1800mm
42.80716.001 42.50115.001 42.80708.001
15P Mac
Monitor Adapter Power Cord
1830mm RCAAudio/Video
Cable 2M
Label PC-98 Adapter Battery #4 1.5V S-Video Cable
36.80703.003 51.80112.001 51.00027.001
Quick Start Cards ESD Bag
420x600x0.07tmm
PE Zipper Bag
33x25cm
1
2
3
45 6
78 9
10 11 12
Service Manual
2-3
75.80708.001 56.80703.001
55.80101.001
35.52302.091
36.80802.001 57.00001.001 52.80703.001
User’s Manual Pack SI02 Direr Air Filter Mesh
Carry Case Cushion Left/Right Label of Carton
Carton
36.00006.001
36.00007.001
Warranty Card
42.80303.003
Remote Mouse Package:
42.80305.001
42.80307.001
X 2
42.80304.001
42.80306.001
X 2
Remote Control Remote
Receiver Cable
Mac/PC PS2
Remote Adapter Mac/PC PS2
MouseAdapter
70.80710.001
1
4
15 1
6
17 18 19
20
22
23 24
2521
42.50208.002
15P PC-98
CableAdapter
42.52112.001
15P PC-98
Adapter
26
1
3
Service Manual
2-4
2.1.1 Replacement parts list
Item P/N Description
1 42.80716.001 Mac Monitor Adapter
2-1 42.50112.001 Cable, Power Cord 1830mm (Europe Type)
2-2 42.50115.001 Cable, Power Cord 1830mm (US Type)
2-3 42.50116.001 Cable, Power Cord 1500mm (Japan Type)
2-4 42.50117.001 Cable, Power Cord 1800mm (Australia Type)
3 42.80708.001 Cable, RCAAudio/Video Cable 2M
4 42.80707.001 Mac Switch Adapter 15P
5 42.53001.051 Cable, VGA Cable 15P 1800mm
6 42.80715.001 Cable, Audio-In Cable 1800mm
7 35.50207.001 Label, PC-98 Adapter
8 46.80301.001 Battery #4 1.5V
9 42.50209.011 Cable, S-Video Cable 2M
10 36.80703.003 Quick Start Cards
11 51.80112.001 ESD Bag 420*600*0.07tmm
12 51.00027.001 PE Zipper Bag 33*25mm
13 36.80802.001 User’s Manual Multilingual
14 57.00001.001 Pack SI02 Drier 20g
15 52.80703.001 Air Filter Mesh
16-1 36.00006.001 Warranty Card, TWN
16-2 36.00007.001 Warranty Card, US
16-3 36.00008.001 Warranty Card, UK
16-4 36.00009.001 Warranty Card, HK
17-1 75.80708.001 Standard Carry Case
17-2 75.80711.001 Wheeled Carry Case
18-1 56.80703.001 Cushion, Left/Right
18-2 56.80704.001 Cushion, Top for W/Wheel
18-3 56.80705.001 Cushion, Bottom
19-1 55.80101.001 Carton, 580*450*310mm
19-2 55.80703.001 Carton, 615*465*355mm for W/Wheel
20 35.52302.091 Label of Carton 109*92mm
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