Optoma Optoma EP730 Manuale utente
SERVICE MANUAL
EzPro730 0.7*1 DMD SVGA Micro Portable Projector
This manual is prepared for the maintenance service for EP 30 Micro Portable SVGA DLP
Projector. 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, components description, and
the Troubleshooting making 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, merchantability or fitness for
particular purpose.
No event that the vendor will be liable for direct, indirect, special, incidental or
consequential damages arising out of the user or inability to use this product or documentation.
- NOTI E :
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 further edition.
Copyright 2001, November
All Rights Reserved
Manual Version 1.0
Doc.#833-G04-01A
P/N : 36.83303.001
Preface
SERVICE MANUAL
EzPro730 0.7*1 DMD SVGA Micro Portable Projector
4TABLE OF ONTENTS 3
1. Introduction 1-1
1-1 Product Highlight 1-2
1-2 Technical Specification 1-3
2. Fundamental Principle 2-1
2-1 System Block Diagram 2-2
2-2 Optics 2-6
3. Mechanical onstruction 3-1
3-1 Package Overview 3-2
3-2 Exploded Overview 3-4
3-3 Recommendation Spare Parts List 3-11
4. Procedure of Disassembly 4-1
4-1 Disassemble Top Cover and Speaker 4-3
4-2 Disassemble Main Board and DC-DC Module 4-4
4-3 Disassemble Engine, Formatter Board and Thermal Board 4-6
4-4 Disassemble Ballast Module 4-9
4-5 Disassemble Fan Modules 4-10
4-6 Disassemble Lamp Module 4-12
4- Disassemble Switch Board and Thermal Sensor Board 4-14
5. The Function of Boards 5-1
5-1 Main Board 5-2
5-2 Formatter Board 5-9
5-3 IR Board 5-15
5-4 DC-DC Power 5-16
5-5 Thermal Board 5-18
5-6 Ballast 5-23
SERVICE M ANUAL
EzPro730 0.7*1 DMD SVGA Micro Portable Projector
6. Specifications 6-1
6-1 Lamp Specifications 6-2
6-2 DMD Specifications 6-4
6-3 DC-DC Specifications 6-10
6-4 Lamp Driver Specifications 6-11
7. Troubleshooting Procedure 7-1
-1 Equipment Needed -2
-2 Main Procedure -2
8. Function Test and Alignment Procedure 8-1
8-1 Equipment Needed 8-2
8-2 Test Condition 8-2
8-3 Test Display Modes and Pattern 8-3
8-4 Inspection Procedure 8-
9. Firmware Upgrading Procedure 9-1
9-1 Equipment Needed 9-2
9-2 Setup Procdure 9-2
9-3 Upgrading Procdure 9-3
10. Appendix 10-1
10-1 Serial Number Format 10-2
SERVICE MANUAL 1 - 1
EzPro730 0.7*1 DMD SVGA Micro Portable Projector
Chapter 1
Introduction
This manual is applied to EP 30 0. *1 DMD SVGA Micro Portable
Projector with digital imaging functionality based on Digital Micromirror Device
(DMD) technology. Its the mode of single panel, 130 watt Compact P-VIP lamp
and 800*600 resolution. The manual gives you a brief description of basic
technical information to help in service and maintaining the product.
Your customers will appreciate the quick response time when you
immediately identify problems that occur with our products. We expect your
customers will appreciate the service that you offer them.
This manual is for technicians and people who have an electronic
background. Send the product back to the distributor for repairing and do not
attempt to do anything that is complex or is not mentioned in the troubleshooting.
SERVICE MANUAL 1 - 2
EzPro730 0.7*1 DMD SVGA Micro Portable Projector
1-1 Product Hi hli ht
¶One panel 0. DMD projection system with 825 ANSI lumens (Average), 0%
uniformity.
¶130 - Watt Compact P-VIP Lamp (user replaceable).
¶Hight efficiency cooling system with system acoustic noise level 38dBA (Average).
¶Light weight less then 3.4 lbs.
¶Manual focus projection zoom lens.
¶True 8003600 resolution, true colors.
¶With up, down, left, and right screen reverse.
¶Build-in full screen NTSC/PAL/SECAM video capability with S-video/compoite
/component and HDTV terminals.
¶SXGA / XGA / SVGA / VGA / MAC / PC98 / FM Towns compatibility with XGA
compression/pan.
¶Auto image re-sizing to 800*600 full screen.
¶Auto detection of computer signal input.
¶Auto image. (Auto-tracking / frequency / position adjustment).
¶Powerful enlarge and freeze function.
¶Automatically saves adjustments for future use.
¶On-screen menu with 9 languages.
¶On screen lamp life timer.
¶One D-sub PC-data input.
¶Built-in one speaker with 2 watt amplifier.
¶Self protect (15 seconds) timer for hot re-strike of compact P-VIP lamp.
¶Wireless remote controller.
¶Adaptive voltage control fan speed.
SERVICE MANUAL 1 - 3
EzPro730 0.7*1 DMD SVGA Micro Portable Projector
1-2 Technical Specification
1-2.1 Mechanical Specifications
Dimensions (W*H*D) - 8.86*6.93*2.0 inches (225*1 6*52mm)
Weight - Approx. 3.4 lbs. (1.52 Kg)
Cooling System - Advanced Air Flow
- Three Motor FAN with system acoustic 38 dBA (Average)
- Temperature control circuits with Fan speed
Tilt Angle - 8 degree with elevator mechanism
Keystone correction - +/-16 degree (32 degree)
Color - Silver
Lamp Door Protection - Lamp Power Supply shut off automatically when door open
1-2.2 Display Panel Specifications
- T1 DMD, 0. Digital Mirror Device
- Number of active dots : 800 (H) * 600 (V)
1-2.3 Electrical Specifications
Power Supply - Universal AC 100-240V~50/60 Hz with PFC input(OSRAM)
- 130W for 130W Compact P-VIP Lamp @ normal operation
- Variance FAN speed control (Depend on temperature variant)
Terminals - Computer input (DVI Female Terminal*1)
- Video input (RCA jack Type*1, DIN 4-pin*1 S-video)
- Audio input (Phone jack Type*1)
Audio - One 8-Ohm, 2W, internal speaker
- 3 Watts amplifier
- Input sensitivity 0.3Vrms.
SERVICE MANUAL 1 - 4
EzPro730 0.7*1 DMD SVGA Micro Portable Projector
Input signal spec - Hsync Frequency 15~100 KHz
- Vsync Frequency 43~120 Hz
- Video Signal RGB (PC)
Analog RGB 0. Vp-p, 5 ohm
Analog RGB 1Vp-p, 5 ohm, Sync. signal
Separate TTL H, V Sync.
Composite TTL Sync.
- Video
Composite video 1Vp-p, 5 ohm
S-Video Luminance 0. 14Vp-p, 5 ohm
Chrominance 0.286Vp-p, 5 ohm
Video Compatibility - Standards :
NTSC - M, 4.43 MHz
PAL - B, D, G, H, I, M, N
SECAM - B, D, G, K, K1, L
HDTV - 480I, 480P, 5 6P, 20P
- TV Lines - 500 lines
1-2.4 Re ulation
FCC Part15 Class B, CE--Class B, VCCI Class B, BSMI
UL, CUL, TüV--GS
SERVICE MANUAL 1 - 5
EzPro730 0.7*1 DMD SVGA Micro Portable Projector
1-2.5 Optical Specifications
Projection lens - F/2.2~2.4, f = 28.51~34.21mm. 1.2X Manual Zoom Lens.
Projection Image Size - Adjustable from 20.5 to 246 (Diagonal)
Throw Distance - 1.0m~12m
Brightness - 825 ANSI Lumens (Average)
- 00 ANSI Lumens (Minumim)
Contrast - 300 : 1 (Full White and Black)
Uniformity - 50% (ANSI standard)
- 60% (3*3)
- 5% (Japan standard)
1-2.6 Environmental
Temperature - Operating : 10~40oC
- Storage : -20~60oC
Maximum Humidity - Operating : 10~40oC, 80%RH (Max.), non-condensing
- Storage : -20~60oC, 80%RH (Max.), non-condensing
Acoustic noise level - 38dBA (Average, Under 25oC)
- Less than 40dBA (minumim)
Lamp life - 1000 hours min. 0% survial rate
1500 hours typical, 50% survial rate
Altitude - Operating 10,000 ft
- Storage 40,000 ft
- Operating more than 10,000 hours (80% Confidence Level)
Reliability Test - Refer 0 -3021, Reliability Test Procedure;
0 -3022, Reliability Test Standard
SERVICE MANUAL 2 - 1
EzPro730 0.7*1 DMD SVGA Micro Portable Projector
Chapter 2
Fundamental Principle
Thi ection provide the conceptual drawing about optic of projector. You
can realize optical projection y tem through the following diagram and al o the
integral part of configuration.
SERVICE MANUAL 2 - 2
EzPro730 0.7*1 DMD SVGA Micro Portable Projector
2-1 Syste Block Diagra
Speaker IR Receiver
S-Video
Video
Audio
D-Sub
Input
Main
Board
DMD
Board
DMD
DC to DC
Inter Lock Switch
Thermal
Board
Fan
Balla t
Thermal
Switch
Sen or
Board
Projection Len
Mirror
Conden er
Hollow Rod
Color Wheel
UV-IR L3
Lamp
Conden er
Keypad
Board
Mirror
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