Optoma EzPro 710 Manuale utente

~PREFACE~

This manual is prepared for the maintenance service forDMD Projec-

tor series. Maintenance procedures described in this manual are intended to

isolate faulty parts and replace them in the field. It also aims to serve as a guide

in procuring replacement parts for this product.

This manual is copyrighted and all rights are reserved. This product may

not, in whole or in part, be copied, photocopied, translated or reduced to any

electronic or machine readable form without prior written consent except for

copies retained by the purchaser for backup purpose.

This manual includes system overview, major system assembly, com-

ponents’ description, and the “Troubleshooting” makes explanations on how to

detect errors. It also includes a flow chart for checking or correcting faults.

No Warranty or representation, either expressed or implied, is made

with respect to this documentation, its quality, performance, merchant-

ability or fitness for particular purpose.

No event will the vendor be liable for direct, indirect, special, inci-

dental or consequential damages arising out of the user or inability to use

this product or documentation.

PNOTICE

The information found in this manual is subject to change without prior

notice. Any subsequent changes made to the data herein will be incorporated

in future edition

Model Name: EzPro 710

Manual Version 1.0

Document #814-G04-01A

✽Table of Contents ✽

1. Introduction 1-1

1.1 ProductHighlight 1-1

1.2 Mechanical Specification 1-2

2. Fundamental Principle 2-1

2.1 Operating of Projector 2-1

2.2 User Control and Indicators 2-3

2.3 Optics of Projector 2-5

2.4 System 2-7

3. Mechanical Construction 3-1

3.1 Package Overview 3-1

3.2 Exploded Overview 3-3

3.3 Spare Parts Lists of Recommadation 3-9

4. Procedure of Disassembly 4-1

4.1 Disassemble Lamp Module 4-1

4.2 Disassemble the Main Body Unit 4-2

4.3 Dissassemble the DC-Dc Board 4-3

4.4 Disasemble Control Panel Module 4-4

4.5 Disassemble Engine and Electronic Module 4-5

4.6 Disassemble Main Board and DMDModule 4-6

4.7 Disassemble Lamp holder Module 4-6

4.8 Disassemble Ballast Module 4-8

5. Functions of Boards 5-1

5.1 Main Board 5-1

5.2 DC-DC Power Supply 5-7

5.3 KeyPad Board 5-10

5.4 DMD Module 5-11

6. Function Test & Alignment Procedure 6-1

6.1 Product 6-1

6.2 Test Equipment 6-1

6.3 Test Condition 6-1

6.4 Test Display Modes& Pattern 6-2

6.5 Function Test andAlignment Procedure 6-5

6.6 Hi-Pot &Grounding Test 6-7

6.7 Cleaning 6-7

6.8 EP 710 Display Specification Test Procedure 6-8

7. Troubleshooting Procedure 7-1

7.1 Equipment Needed 7-1

7.2 Main Procedure 7-1

8. Specification 8-1

8.1 DMD Specification 8-1

8.2 Lamp Specification 8-3

9. Appendix 9-1

9.1 Compatibility Modes 9-1

9.2 The SeriesNumber SystemDefinition 9-2

EzPro 710 1-1

Service Manual

EzPro710

Service Manual

One panel 0.9”DMDprojection system with 600ANSI

lumens,90 uniformity.

120-Watt Compact UHP Lamp.( user replaceable)

High efficiency cooling system with system acoustic

less than 42dB.

Light weight less than 5 lbs.

Manual focus projection lens.

True 1024*768 resolution,True Colors.

With up, down, left, and right screen reverse.

Build-in full screenNTSC/PAL/SECAM video capability

with composite and S-video terminals.

XGA/SVGA/VGA/MAC/PC98/FM Towns compatibility

with XGAcompression/pan.

Auto image re-sizing to 1024*768 full screen.

Auto detection of computer signal input.

AutoImage.(Auto-tracking/frequency/contrast/brightness/

position adjustment)

Powerful enlarge and freeze function

Automatically saves adjustments for future use

On-screen menu with more than 6 languages.

On Screen lamp life timer.

OneD-sub PC-data input.

Built-in one speaker with 3 Watt amplifier.

Self protect( 45 seconds) timer for hot re-strike of

UHPlamp.

Wireless remote controller.

1.1 Product Highlight

Chapter 1

Introduction

EzPro 710 1-2

Service Manual

EzPro710

Service Manual

1.2 Mechanical Specification

Light Valve

Contrast Radio

Lamp

Displayable Color

Projection Lens

Projection Screen Size

Computer Compatibility

Single ChipDMDTechnology

400:1(FullOn/FullOff)

200:1(ANSI Contrast)

120W User Replaceable UHP Lamp

16.7 M colors

F2.88 f=30.7mm

30’ (1m)~300’(10m) Diagonal

IBM &VESA VGA 640*350,70/85Hz

640*480,70/85Hz

720*400,70/85Hz

640*480,60/72/75/85Hz

800*600,56/60/72/75/85Hz

VESAXGA 1024*768,60/70/75/85Hz

Apple Macintosh LC 13” 1280*1024 compressed 60/75Hz

Apple Macintosh II 13” 640*480,67Hz

Apple Macintosh 16” 640*480,67Hz

Apple Macintosh 19” 832*624,75Hz

NEC PC-98 series 1024*768,75Hz

640*400,56Hz

640*480,60/70Hz

Fujitsu FM Towns 640*400,55Hz

640*480,60Hz

Video Compatibility

H.Frequency

V. Frequency

MultimediaAudio

NTSC/NTSC 4.43/PAL/SECAM compatibility

Composite video& S-Video capability

30kHz~90kHzhorizontal scan

50Hz~85Hzverticalrefresh

One internal speaker with 3 watt output

EzPro 710 1-3

Service Manual

EzPro710

Service Manual

Dimensions(W*H*D)

Environmental

Power Supply

Power Consumption

I/O Connectors

AC input 90~264VAuto-Switching Power Supply

<185W

Power:AC Power Input Socket

Computer Input:One 15-pinD-sub Computer Input

Video Input: One Composite Video RCA Input

One S-Video Input

Audio Input: One Phone Jack forAudio Input

Audio Output: One Phone Jack forAudio Line Input

5 lbs./2.3 kgs

3.54*8.58*9.9 inches/90*218*252 mm

Temperature

-Operating: 10 C to + 40 C

-Storge: -20 C to + 60 C

Maximum Humidity

-Operating: 10 C to + 40 C -- 80% RH, ono-condensing

-Storage: -20 C + 60 C -- 80%RH, non-condensing

Acoustic noise level

-42dB typical/45dB maximum

Lamp life

-2000 hours typital

Altitude

-Operating 10,000ft

-Storge 40,000ft

MTSF

-Operating more than 10,000 hours

FCC Class B, CE Mark classAB VCCI-1

UL, CUL, TUV, BCIQ

Regulation

EzPro 710 2-1

Service Manual

EzPro710

Service Manual

Chapter 2

Fundamental Principle

2.1 Operating of Projector

Language —— Select display from six languages in their native spelling.

The current language is highlighted. Select another language to display all

menufunctionsin that language.

Display

Brightness and Contrast

-----Adjust the displayed image brightness and contrast

Color

----- Adjust color balance to compensate for ambient conditions

using three submenus:

7100oK ——The factory default

Custom Color —— Modify the color temperature balance.

Saturation —— Magnify the color intensity.

Keystone

----Adjust image distortion caused by tilting the projector. The

only adjustment direction allowed is to narrow the top width

of the image.

Image

Freeze

----To freeze the display of the current image.

Note:

a. Press the Freeze key again to unfreeze the display.

b. The “ Freeze Screen” should have an icon to indicate

the curent display has been frozon

❒

❍

◆

2.1.1 Fuctions in the On-Screen Menu

EzPro 710 2-2

Service Manual

EzPro710

Service Manual

Track To adjust Phase of Sampling Clock

To avoid A/D converter to capture trasition of input signal

Frequency

To adjust total number of pixel clock in one line period.

Auto Image

For automatic tracking/frequnecy/position adjustment,

enable in “on” state, and disable in “off” state.( Data only)

----

❍

Audio Adjust the tone & Volume

Projection Select the project method & picture in picture fuction.

Lamp Warning & Reset

When lamp’s life end, it will show a warning message.

When replace a new lamp, reset the lamp hour.

❒

2.1.2

Service Manu

Use to enter Service Manu

Color wheel ------Adjust the index to charge the color combination

BurnIn -------------Supply burnin function

Luminance masure ---- Supply luminance measure function

Color Bar --------- Supply R,G,B picture

Lamp hours ------ lamp hours can be adjusted here

Focus --------------Supply text to adjust focus

 



EzPro 710 2-3

Service Manual

EzPro710

Service Manual

2.2 User Control and Indicators

There are two ways for you to control the functions: Remote Control and

Panel Control.

Remote Control Panel Control

Power / Standby

Power the lamp on and off when the main power switch is turned on.

Press to open the on-screen display (OSD) menus and to switch

amoung different menus. To exit OSD, select the “ Exit Menu” icon and press

“Enter” button. The projector saves any changes you made automatically.

Source

Press “Source” to choose between video and computer sources.

Reset

When you press “Reset” button, the OSDmenus shows message “Reset All

Yes/NO ? ”. Select “Yes” to confirm or select “ No” to cancel.This function

will reset all user adjustable parameters to factory default settings.

EzPro 710 2-4

Service Manual

EzPro710

Service Manual

Enter

Press “Enter” for confirming your selection.

Four Directional Select Keys

Use or to select items. Use or to make adjustments

for your selection.

Volume

To increase the volume, press

To decrease the volume, press

To mute the volume, press

Resync

Automatically synchronizes the projector to the input source.

Freeze

Press “freeze” button to still the screen image.

PIP (Picture in Picture)

Display video source image on a small screen. (Computer mode only).

Please refer to “Page 20” for detail informations.

Zoom In (Computer mode only)

Magnifies an image up to a factor of 32 on the projection screen.

When the “Zoom” icon displayed, you can use four directional select keys

to change the vertical or horizontal positioning of the image.

Zoom Out (Computer mode only)

Diminishes the zoom in image.

When the “Zoom” icon displayed, you can use four directional select keys to

change the vertical or horizontal positioning of the image.

Keystone

Adjusts image distortion caused by tilting the projector.

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