Optoma EP680 User manual

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

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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

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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)

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

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

15 1

17 18 19

23 24

2521

42.50208.002

15P PC-98

CableAdapter

42.52112.001

15P PC-98

Adapter

Service Manual

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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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