Optoma Pico PK201 User manual

SERVICE MANUAL
Prepared: Check: Approved:
Date Revise Version Description
2010.04.9 V1.0 Initial Issue
PK201
Copyright April 2010. All Rights Reserved P/N: 36.8EN02G001

PK201 Condential
I
Preface
This manual is applied to PK201 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.
Note: 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.
PK201 Service Manual
Copyright April 2010
All Rights Reserved
Manual Version 1.0

PK201 Condential 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 Battery Cover Module 2-2
Disassemble Top Cover Module 2-2
Disassemble Key Pad Module 2-3
Disassemble IR Cover and Speaker Holder 2-4
Disassemble Engine Module and Main Board Module 2-4
Disassemble the Focus Ring and Focus Gear 2-6
Chapter 3 Troubleshooting
Equipment Needed 3-1
Main Procedure 3-2
Power Troubleshooting 3-3
Image Performance Troubleshooting 3-4
Audio Troubleshooting 3-7
Chapter 4 Function Test & Alignment Procedure
Test Equipment Needed 4-1
Service Mode 4-1
System Reset 4-1
Test Condition 4-2
Test Inspection Procedure 4-3
PC Mode 4-4

PK201 Condential III
Video Performance 4-6
SD Card Test 4-7
Optical Performance Measure 4-7
Others 4-9
Chapter 5 Firmware Upgrade
Equipment Needed 5-1
Firmware Upgrade Procedure 5-2
Chapter 6 EDID Upgrade
EDID introduction 6-1
Equipment needed 6-2
Setup procedure 6-3
EDID Key-In Procedure(VGA & HDMI Interface) 6-3
Appendix A
Exploded Image I
Appendix B
   SerialNumberSystemDenition     XII
   PCBACodeDenition      XIII

PK201  1-1
Chapter 1
Introduction
No  
1        

2    
3     
     
   ""
          

7 

8
     
    
      
9
       
 

10          
11 







12             

13     
        
 






1-1 Highlight

PK201  1-2
1-2 Compatible Mode
  

 
 
 
 
 

 
 
720P 
 

 
 
720P 
 

PK201 Condential 2-1
Chapter 2
Disassembly Process
2-1 Equipment Needed & Product Overview
1. Screw Bit (+): No.00
2. Tweezers (Wide at-head tweezers)
3. PK201 units
* Before you start: This process is protective level II. Operators should wear electrostatic chains.

PK201 Condential 2-2
2-3 Disassemble TOP Cover
Module
1. Unscrew 6 screws from the Bottom
Cover (as red circle).
2-2 Disassemble Battery
Cover Module
1. Disassembe the Battery Cover Module
(as red arrow direct).
2. Remove the Battery.
2 3

PK201 Condential 2-3
2. Unplug the keypad cable which connects
to the main board.(as red circle)
Note: - There are 6 tenons (as blue circle)
of the top cover,when disassembling
it, you must be carefull so as not to
damage the top cover.
2-4 Disassemble KeyPad
Module
1. Unplug the keypad cable which connects
to the keypad board and tear off
two thermal pads.(as red square)
2. Unscrew 4 screws.(as red circle)
3. Take out the keypad board and the
key button.
Note: - To distinguish the four thermal
pads,here list the PN of them.
(1) 52.8EN09G001
(2) 52.8EN07G001
(3) 52.8EN06G001
(4) 52.8EN05G001
(5) 52.8EN08G001
- When paste the thermal pads,please
refer to the bule lines.
(1)
(3)
(2)
(4)
(5)

PK201 Condential 2-4
2-6 Disassemble Engine
Module and Main Board
Module
1. Unplug the RGB Led cable rst and then
unplug the 50 Pin FPC cable.
2. Disassemble the Main Board Module
from the Bottom Cover Module.
RGB Led cable
50 Pin FPC cable
2-5 Disassemble IR Cover
and Speaker Holder
1. Disassemble the IR Cover(as yellow
square).
2. Unscrew 2 screw (as red circle) to
disassemble the Speaker Holder.