Optoma EH1020 User manual
SERVICE MANUAL
Prepared: Check: Approved:
Date Revise Version Description
2010.6.7 V1.0 Separate from Optoma HD20_HD200X_HD2200_HD20_HD200X_HD2200_
EH1020 V4.0 (DDP 3021, 36.8EG08G001) ServiceV4.0 (DDP 3021, 36.8EG08G001) Service
Manual
EH1020
Copyright June, 2010. All Rights Reserved
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Condential
EH1020
Preface
This manual is applied to EH1020 projection system. The manual gives you a brief
description of basic technical information to help in service and maintain 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. Please
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.
Notice:
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.
EH1020 Service Manual
Copyright June, 2010.
All Rights Reserved
Manual Version 1.0
i
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EH1020 Condential
Table of Content
Chapter 1 Introduction
Highlight 1-1
Compatible Mode 1-2
Chapter 2 Disassembly Process
Equipment Needed & Product Overview 2-1
Repair notice 2-2
Disassemble Focus Ring 2-2
Disassemble Top Cover Module 2-2
Disassemble Main Board Module 2-2
Rod Adjustment 2-3
Re-write Lamp Usage Hour 2-4
Chapter 3 Troubleshooting
LED Lighting Message 3-1
Main Procedure 3-2
Chapter 4 Function Test & Alignment Procedure
Service Mode Instruction 4-1
Fan Speed Saving 4-2
Calibration 4-3
PC Mode 4-4
Optical Performance Measure 4-5
Test Inspection Procedure 4-6
Chapter 5 Firmware Upgrade
Section 1: Firmware Upgrade Procedure 5-1
iii
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Condential
EH1020
Equipment Needed 5-1
Setup Procedure 5-1
Install USB Driver 5-1
Firmware Version Check 5-1
Section 2: 8051 Firmware Upgrade Procedure 5-2
Equipment Needed 5-2
8051 Firmware Upgrade Procedure Note 5-2
Chapter 6 EDID Upgrade
EDID Upgrade Procedure 6-1
Appendix A Exploded Image 1
Appendix B Serial Number Denition 19
PCBA Code Denition 20
iv
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EH1020 1-1
Chapter 1
Introduction
1-1 Highlight
No
1
2
•
10
11
12
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EH1020 1-2
HD
1-2 Compatible Mode
Computer Compatibility
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EH1020
Power Book G4
HD
iMAC
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EH1020 Condential 2-1
Chapter 2
Disassembly Process
2-1 Equipment Needed & Product Overview
(This section links to common service manual CH2)
1. Screw Bit (+): 105
2. Screw Bit (+): 107
3. Screw Bit (-): 107
4. Hex Sleeves 5 mm
5. Tweezers
6. Projector
* Before you start: This process is protective level II. Operators should wear electrostatic chains.
* Note: - If you need to replace the Main Board, you have to record the Lamp Usage Hour.
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EH1020 Condential 2-2
2-2 Repair notice
2-2-1 Disassemble Focus
Ring
1. Rotate the Focus Ring clockwise until
you cannot rotate any more (as red
arrow direction).
2. Pull out the Focus Ring.
Note: - When you assemble the Focus Ring,
ensure the 3 card slot (as green square)
placed in the 3 double-screw bolt (as
yellow circle) properly, and the Focus
Ring can be well adjusted.
2-2-2 Disassemble Top
Cover Module
1. Unscrew 2 screws (as red circle) from the
Bottom Cover.
2. Press two sides of the projector as the
blue arrows point.
3. Remove the Top Cover Module.
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EH1020 Condential 2-3
Note: - When you remove the Top Cover,
take care the connector (as yellow
square) of FPC cable which connect
Main Board and Keypad Board Module,
then unplug it from Keypad Board
Module.
- Avoid damaging by pulling keypad FPC
cable.
- Make sure the FPC cable plug into the
correct ports when assembling it.
2-2-3 Disassemble Main
Board
1.Please refer to the below table details of
each connector on Main Board.
A
BC
DE
E
F
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