Optoma ML300 User manual

SERVICE MANUAL
Prepared:Cherry Checked:Amy Approved: Alick
Date Revise Version Description
2012.01.12 V1.0 Initial Issue
2012.05.23 V2.0
Add Engine Adjustment in chapter 2-10
Modify Pixel specication in chapter 4-3
Modify LED Calibration in chapter 4-4
Add Wavie Items in chapter 4-5
ML300
Copyright May 2012 All Rights Reserved

ML300 Condential I
Preface
This manual is applied to ML300 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.
ML300 Service Manual
Copyright May 2012
All Rights Reserved
Manual Version 2.0

Condential
ML300
II
Table of Content
Chapter 1 Introduction
Highlight 1-1
Compatible Mode 1-2
Chapter 2 Disassembly Process
Equipment Needed & Product Overview 2-1
Disassemble Top Cover Module 2-2
Disassemble Daughter Board and Keypad Board 2-3
Disassemble LED Cable 2-5
Disassemble Focus Ring 2-5
Disassemble Fan 2-7
Separate Engine Module and Main board 2-8
Disassemble Engine Module and LED 2-10
Disassemble Bottom Cover Module 2-13
Engine Adjustment 2-14
Repair Action 2-15
Chapter 3 Troubleshooting
LED Lighting Message 3-1
Main Procedure 3-2

Condential
ML300 III
Chapter 4 Function Test & Alignment Procedure
Test Equipment Needed 4-1
Test Condition 4-1
VGA Port Test 4-2
Composite Port And Audio Test 4-5Composite Port And Audio Test 4-5
HDMI 4-6
SD Card /USB ash disk/USB Test 4-6
Calibration 4-8
Waive Items 4-11
Run In Test 4-12
Test Inspection Procedure 4-13
Chapter 5 Firmware Upgrade
Section 1: System Firmware Upgrade 5-1
Equipment Needed 5-1
Check FW version 5-2
Section 2 : PIC Firmware Upgrade 5-3
Equipment Needed 5-3
PIC Firmware Upgrade 5-4
Section 3: MST7286 Firmware Upgrade 5-7
Equipment Needed 5-7
USB Driver Upgrade Procedure 5-8
MST7286 Firmware Upgrade Procedure 5-10MST7286 Firmware Upgrade Procedure 5-10
Section 4 : SSD1938 FW Upgrade 5-14
SSD1938 Firmware Upgrade Procedure 5-15

Condential
ML300 IV
Chapter 6 EDID Upgrade
EDID upgrade 6-1
Appendix A Exploaded Overview I
Appendix B Serial Number System Denition I
PCBA Code Denition II

ML300  1-1
Chapter 1
Introduction
No  
1    
   
    
3              

  
  
      
  
          
 
       
 

10 DMD       
11  

 




13 

   
     
    
 

    
         
         

   
1-1 Highlight

ML300  
1-2 Compatible Mode
● Computer compatibility
Compatibility Resolution V-Sync[Hz]

 
 
 
 
 

 
 
 
 

 
 
 
 
● Compatibility: Multimedia Format
Video





 
  
 
  
 
  
 
 


 
   
  
 
Note: Video format does not support content with B-Frame function

ML300  1-3
Photo
 
 
 
Audio

Microsoft Ofce Viewer

Note: If the Computer Compatibility supportive signal is different from User’s Manual,
please refer to User’s Manual.

ML300  2-1
Chapter 2
Disassemble And Repair Action
2-1 Equipment Needed & Product Overview



Before you start: This process is protective level II. Operators should wear electrostatic chains.

 2-2
ML300
2-2 Disassemble Top Cover
Module
    
    



3. 

 2-3
ML300
2-3 Disassemble Daughter
Board and Keypad Board




Daughter Board

 
ML300



Keypad

 
ML300
2-4 Disassemble LED Cable


2-5 Disassemble Focus Ring



GREEN LED CABLE
RED LED CABLE
BLUE LED CABLE

 2-6
ML300

3. 

Focus Ring

 
ML300
2-6 Disassemble Fan

Note: Care the direction about how to place
the fan (as yellow square).


 2-8
ML300
2-7 Separate Engine Module
and Main board
1. 

2. 



Speaker

 2-9
ML300





Main Board Engine Module

 2-10
ML300
2-8 Disassemble Engine
Module and LED






DMD chip rubber
Heat sink DMD board
Engine
DMD chip

 2-11
ML300



Green LED Red LED

 2-12
ML300


Blue LED
Heat sink