Optoma EX631 Manuel utilisateur

OPTOMA

EX631/EW631 Projector

Service Manual

100% Recycled Paper

Date: 2012/03/20

Update History

Date of issue Published by

Version Desc.

2012/03/20 Ciom A New version released.

■ Safety Instructions

SAFETY PRECAUTIONS

WARNING:

The chassis of this projector is isolated (COLD) from AC line by using the converter transformer. Primary side of

the converter and lamp power supply unit circuit is connected to the AC line and it is hot, which hot circuit is iden-

tified with the line ( ) in the schematic diagram. For continued product safety and protection of personnel

injury, servicing should be made with qualified personnel.

The following precautions must be observed.

1:An isolation transformer should be connected in the

power line between the projector and the AC line before

any service is performed on the projector.

2:Comply with all caution and safety-related notes

provided on the cabinet back, cabinet bottom, inside

the cabinet or on the chassis.

3:When replacing a chassis in the cabinet, always be

certain that all the protective devices are installed

properly, such as, control knobs, adjustment covers

or shields, barriers, etc.

DO NOT OPERATE THIS PROJECTOR

WITHOUT THE PROTECTIVE SHIELD

IN POSITION AND PROPERLY SECURED

4:Before replacing the cabinet cover, thoroughly

inspect the inside of the cabinet to see that no

stray parts or tools have been left inside

Before returning any projector to the customer,

the service personnel must be sure it is

completely safe to operate without danger of

electric shock

PRODUCT SAFETY NOTICE

Product safety should be considered when a component replacement is made in any area of the projector.

Components indicated by mark in the parts list and the schematic diagram designate components in which

safety can be of special significance. It is, therefore, particularly recommended that replacement of there parts

must be made by exactly the same parts.

SERVICE PERSONNEL WARNING

Eye damage may result from directly viewing the light produced by the lamp used in this equipment. Always

turn off lamp before opening cover .The Ultraviolet radiation eye protection required during this servicing.

Never turn the power on without the lamp to avoid electric-shock or damage of the devices since the stabilizer

generates high voltages (15kV-25kV) at its starts.

Since the lamp is very high temperature during units operation replacement of the lamp should be done at least

45 minutes after the power has been turned off, to allow the lamp cool-off.

DO NOT ATTEMPT TO SERVICING THE REMOTE CONTROL UNIT.

Laser Beam may be leaked out when in disassemble the Unit. As the Laser Beam

used in this Remote control unit is harmful to the eyes.

TABLE OF CONTENTS

1 System Introduction ............................................................................................................ 1

1.1 Technical Specification........................................................................................................... 1

1.2 System Block Diagram........................................................................................................... 3

2 Firmware Upgraded Flow .................................................................................................... 4

2.1 Setup Tool/Equipment ............................................................................................................ 5

2.2 Upgrading Procedure............................................................................................................. 5

3 Machine Disassembly and Replacement ......................................................................... 16

3.1 Tools................................................................................................................................... 16

3.2 Disassembly Procedure ........................................................................................................ 17

4 Troubleshooting and Verifying the Repair....................................................................... 25

4.1 Troubleshooting ................................................................................................................... 25

4.2 Verifying the Repair ............................................................................................................ 31

5 Connector Information ...................................................................................................... 39

5.1 Main Board .......................................................................................................................... 39

5.2 The backside of mainboard.................................................................................................. 40

5.3 Ballast Board........................................................................................................................ 41

5.4 Power board......................................................................................................................... 41

6 FRU (Field Replaceable Unit) List..................................................................................... 42

6.1 Mechanical Drawing............................................................................................................. 43

6.2 Board/Module....................................................................................................................... 44

6.3 Case/Cover/Bracket Assembly............................................................................................. 44

6.4 Optical Device...................................................................................................................... 44

6.5 Fans..................................................................................................................................... 44

6.6 Speaker................................................................................................................................ 44

1 System Introduction

1.1 Technical Specification

Note: Designs and specifications are subject to change without prior notice

CONTENT

Item

EX631 EW631

Display Type Single 0.55” DLP panel Single 0.65” DLP panel

Native Resolution:

XGA, 1024x768

Native Resolution:

WXGA, 1280x800

Resolution(Pixels)

Maximum Resolution: UXGA, 1600x1200@60Hz

Zoom Range(Ratio) 1.1x 1.2x

Lamp 240W

Screen size 30”~300”

Projection Type Front, Rear, Ceiling

Input Source VGA: D-Sub 15-pin x 2,

S-Video x 1,

Video x 1,

Audio input (3.5mm stereo mini jack) x 1,

HDMI x 1

Output Source D-Sub 15 pin x 1,

Audio output (3.5 mm stereo mini jack) x1

Control terminal RS-232 x 1,

Mini USB type x1

RJ45 x 1 (LAN control)

Speaker 5W + 2W speakers

Power requirement Auto-ranging: 100V ~ 240V ± 10%, 50-60Hz

Power consumption Normal: TYP 285W MAX 300W @ 110VAC

ECO: TYP 230W MAX 240W @ 110VAC

Digital Keystone Correction Vertical + / - 40。

Environment Operating: Temperature:5。C to 35。C (normal mode)

Humidity: 10% to 85% maximum

Storage: Temperature: -10。C to 60。C

Humidity: 5% to 95%

Dimension (W x D x H) 280 x 230 x 78.4 mm (With feet)

Net Weight 2.2 Kg

Attention for handing

 Do not touch the lamp until it has cooled completely, because the lamp is very hot

during operation and immediately after turned off.

 The lamp has to be fixed firmly to the base or socket.

 Turn off the power supply during maintenance.

 Do not hold the lamp except outer surface of the reflector.

 Wear protective gloves and eyeglasses when handling the lamp.

 Any unusual shock or vibration to the lamp should be avoided.

 The lamp contains the mercury. Its breakage might cause mercury to flow out of the

reflector. Please manage provision at the customer’s product.

 Do not pull the lead wire and plug by more than 24.5N.

 Please be careful of handling the lamp because it is made of glass.

 Please notice for keeping or handling the lamp, because there is a projection of this

lamp with reflector ahead.

 Do not touch the bulb and the mirror area of the reflector.

Attention for use

 Do not close or cover the lamp with any flammable stuff.

 During operation, the lamp is under extremely high pressure. Please manage

provision at the customer’s product to prevent fragments of bulb and mercury from

flowing out of it. If the lamp bursts in case of an emergency, the sound will be

occurred.

 Lamp operation should be with the specified lamp driver and the system only.

 Do not look at the lamp directly during operations.

 Do not expose your skin directly. We recommend to you to put on something for

protection for your skin. For example, long sleeve shirt, gloves, glassed and so on.

 Do not modify the lamp and never use a lamp that has been modified.

 Any unusual shock or vibration to the lamp should be avoided during operation.

 Do not use any broken lamps.

 Dispose of used lamps according to your local instruction.

 Do not turn on the lamp while the system is opened.

 The lamp contains mercury. If the lamp bursts during operation ventilate the area

sufficiently to avoid inhaling harmful mercury fumes.

 Use the lead below 200℃ to prevent a deterioration of cladding clad of the

fluorocarbon resin.

 The lead wire insulation clad shouldn’t touch the reflector.

 Exchange the lamp that has already passed the life time immediately.

1.2 System Block Diagram

2 Firmware Upgraded Flow

This provides the information regarding relevant equipments and upgrading procedure for

firmware upgrade.

Purpose:

Flash Loader vX.X.exe flash loader is for upgrading image file to projector and is be designed to

execute on Windows 2000/Windows XP/Windows Vista/Win 7.

Note:

Please check the firmware version before any firmware upgrade procedures. During

firmware download period, please do not shut down PC or projector, this will cause flash

memory’s damage. And need to return the unit to manufacturer for flash memory recovery.

2.1 Setup Tool/Equipment

 Computer

 Power Cord

 USB Cable

2.2 Upgrading Procedure

1) Upgrading the Firmware on the Unit

To update the firmware on your projector, you first need to install the Firmware Update Utility

software DPL Composer Lite v10.3.x on your PC.

Open Windows Explorer, locate the DLP Composer Lite v10.3.x Setup, and then double-click the

icon to launch installation procedure, and follow the on-screen instructions to finish the installation

procedure.

Verify you have opened the DPL Composer , then click Next >

Once you have read the License Agreement and agree, select the I Agree radio button , then click

Next >.

In the box of Readme Information, after read click Next>

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