Optoma EW610ST User manual

SERVICE MANUAL
Prepared: Check: Approved:
Date Revise Version Description
2010.7.15 V1.0 Initial Issue
2010.10.6 V2.0 Add EW605ST/EX605ST
EW610ST/EX610ST/EW605ST/EX605ST
Copyright Oct. 2010. All Rights Reserved
Neil

Condential
EW610ST/EX610ST/EW605ST/EX605ST
Preface
This manual is applied to EW610ST/EX610ST/EW605ST/EX605ST 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 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.
EW610ST/EX610ST/EW605ST/EX605ST Service Manual
Copyright October, 2010.
All Rights Reserved
Manual Version 2.0
I

EW610ST/EX610ST/EW605ST/EX605ST Condential
EW610ST/EX610ST/EW605ST/EX605ST
Comparison List
Parts EW610ST EX610ST EW605ST EX605ST
Engine Module 70.8JA17GR01 70.8JB06GR01 70.8JA17GR01 70.8JB06GR01
Rear Cover Module 70.8JA18GR01 70.8JB07GR01 70.8JA22GR01 70.8JB09GR01
ROD Module 70.8JA21GR01 70.8JB08GR01 70.8JA21GR01 70.8JB08GR01
DMD 48.8EJ01G001 48.8CQ01G003 48.8EJ01G001 48.8CQ01G003
Main BD 80.8JA01G001 80.8JB01G001 80.8JA01G011 80.8JB01G011
Audio Daughter BD 80.8GL06G001 80.8GL06G001 N/A N/A
Lan BD 80.8JA08G001 80.8JA08G001 N/A N/A
Speaker 49.8EF01G002 49.8EF01G002 49.87K01G201 49.87K01G201
II

Condential
EW610ST/EX610ST/EW605ST/EX605ST
Table of Content
Chapter 1 Introduction
Highlight 1-1
Chapter 2 Disassembly Process
Equipment Needed & Product Overview 2-1
Repair notice 2-2
Disassemble Front Cover Module 2-2
Disassemble top cover Module 2-2
Disassemble Rear Cover Module 2-3
Disassemble Main Board 2-3
Disassemble Photo sensor and Photo sensor holder 2-5
Disassemble DMD Board 2-5
Rod Adjustment 2-6
Re-write Lamp Usage Hour 2-7
Chapter 3 Troubleshooting
LED Lighting Message For Projector 3-1
Main Procedure 3-2
Chapter 4 Function Test & Alignment Procedure
Service Mode Instruction 4-1
Factory Fan RPM Reset 4-1
Keystone Calibration 4-2
Test Condition 4-3
Test Inspection Procedure 4-4
III

EW610ST/EX610ST/EW605ST/EX605ST Condential
PC MODE 4-4
Calibration 4-7
Engine Adjustment 4-8
Optical Performance 4-9
3D Function Test 4-9
Network Function Test 4-10
Chapter 5 Firmware Upgrade
Section 1: System Firmware Upgrade 5-1
Equipment Needed 5-1
Get into FW mode 5-2
Check FW version 5-2
Section 2: PIC FW Upgrade (RS-232) 5-3
Equipment Needed 5-3
PIC Firmware Upgrade Procedure 5-4
Section 3: Network FW Upgrade Procedure 5-7
Equipment Needed 5-7
Network FW Upgrade Procedure 5-8
Chapter 6 EDID Upgrade
EDID Upgrade Procedure 6-1
Appendix A Exploded Image I
Appendix B
Serial Number Denition I
PCBA Code Denition II
IV

EW610ST/EX610ST/EW605ST/EX605ST Condential 1-1
Chapter 1
Introduction
1-1 Highlight
No Item Description
1Dimensions (WxDxH) ● 306x243x113.5mm
2 Power Supply ● Universal AC 100V-240V±10% 50-60Hz
3 Power Consumption ● Normal:TYP 295W MAX 325W @110VAC±10%
● ECO:TYP 250W MAX 275W @110VAC±10%
4 Keystone correction ● +/-40 degree is the scaler spec.
● +/-12 degree is for system angle of V-keystone
5Throw ratio ● 0.52 (D/W) @ 87”(EW610ST/EW605ST)
● 0.626 (D/W) @ 77”(EX610ST/EX605ST)
6Projection lens ● YM37L(EW610ST/EW605ST)
● YM23L(EX610ST/EX605ST)
7 Lamp life
Normal Mode:
● 2500 Hours Standard @ 230W, 50% Survival Rate
ECO Mode:
● 4000 Hours Typical @ 190W, 50% Survival Rate
8 Lamp ● 230W Lamp (Osram E20.8)
9DMD Chip&Number of
active dots
● 0.65” WXGA, S450, Dark Chip 3(EW610ST/EW605ST)
0.55” XGA, S450, Dark Chip 3(EX610ST/EX605ST)
● Number of active dots:1280x800 (EW610ST/EW605ST)
1024x768(EX610ST/EX605ST)
10 Color wheel ● 6 segments (R81Y41G84C31W52B71)
11 System controller ● TI DDP 2431
12 Video compatibility
● NTSC: M (3.58MHz), 4.43 MHz
● PAL: B, D, G, H, I, M, N
● SECAM: B, D, G, K, K1, L
● HDTV: 480i/p, 576i/p, 720p(50/60Hz), 1080i/p(50/60Hz)
13 Input signal spec
● VGA-in x2
● Composite Video x1
● S-Video(Mini DIN) x1
● RCA Audio in x1(R&L)(EX610ST/EW610ST)
● Audio input(Phone Jack) x1
● Microphone x1 (EX610ST/EW610ST)
● HDMI v1.3(compatible with video and audio)
(EX610ST/EW610ST)

Condential 1-2
EW610ST/EX610ST/EW605ST/EX605ST
No Item Description
14 Altitude&Temperature
● Operating: 0~2,500 ft 5°C~35°C
2,500~5,000 ft 5°C~30°C
5,000~10,000 ft 5°C~25°C
1-2 Compatible Mode
Computer Compatibility
Compatibility Resolution V-Sync [Hz] H-Sync [KHz]
Analog Digital Analog Digital
VGA
640x350 70 70 31.50 31.50
640x350 85 85 37.90 37.90
640x400 85 85 37.90 37.90
640x480 60 60 31.50 31.50
640x480 67 67 - -
640x480 72 72 37.90 37.90
640x480 75 75 37.50 37.50
720x400 70 70 31.50 31.50
720x400 85 85 37.90 37.90
SVGA
800x600 56 56 35.20 35.20
800x600 60 60 37.90 37.90
800x600 72 72 48.10 48.10
800x600 75 75 46.90 46.90
800x600 120 120 - -
832x624 75 75 - -
XGA
1024x768 60 60 48.40 48.40
1024x768 70 70 56.50 56.50
1024x768 75 75 60.00 60.00
1024x768 120 120 - -
1152x870 75 75 - -
WXGA 1280x800 60 60 49.68 49.64
SXGA 1280x1024 60 60 63.98 63.98
UXGA 1600x1200 60 60 75.00 75.00
WSXGA+(*) 1680x1050 60 60 65.00 65.00
HD 1280x720 60 60 45.00 45.00

Condential 1-3
EW610ST/EX610ST/EW605ST/EX605ST
Compatibility Resolution V-Sync [Hz] H-Sync [KHz]
Analog Digital Analog Digital
HD 1280x720 120 120 - -
HD 1920x1080 30 30 33.80 33.80
MAC LC 13’’ 640x480 66.66 34.98
MAC II 13” 640 x 480 66.68 35.00
MAC 16” 832x624 74.55 49.73
MAC 19” 1024X768 75 60.24
MAC 1152X870 75.06 68.68
MAC G4 640X480 60 31.35
i MAC DV 1024X768 75 60.00
i MAC DV 1152X870 75 68.49
Note: If the Computer Compatibility supportive signal is different from User’s Manual,
please refer to User’s Manual.

EW610ST/EX610ST/EW605ST/EX605ST Condential 2-1
Chapter 2
Disassembly Process
2-1 Equipment Needed & Product Overview
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.
- Some related contents please refer to common SM chapter 2.

EW610ST/EX610ST/EW605ST/EX605ST Condential 2-2
2-2-2 Disassemble Top Cover
Module
1. Unscrew 2 screws (as red circle) from
bottom cover.
2. Unscrew 2 screws (as blue circle) from
rear cover to disassemble top cover
module.
Note:When you disassemble the top cover,
please pay attention to the tenons(as
yellow square).
2-2 �epair notice�epair notice
2-2-1 Disassemble Front
Cover Module
1.You should disassemble front cover rst
before disassemble the top cover .
2.Unscrew 3 screws (as red circle) to
disassemble front cover Module.
3.Disassembled front cover module.

EW610ST/EX610ST/EW605ST/EX605ST Condential 2-3
2-2-3 Disassemble �ear
Cover Module
1. Unscrew 2 screws (as red circle) from
Bottom Cover.
2. Unscrew 1 screw(as green circle) from
main board.
3. Unscrew 6 hex screws (as blue circle)
from rear Cover .
4. Disassembled rear cover module.
2-2-4 Disassemble Main
Board
1.Please refer to the below table details of
each connector on Main Board.
ABC DEFG

EW610ST/EX610ST/EW605ST/EX605ST Condential 2-4
Item Male Connector
on Main Board The key feature Figure
A IR Compose of Red/Black/White Wire (3
pin) and green connector
B Photo Sensor Compose of Red/Black/White Wire (3
pin) and red connector
CBlower Compose of Red/White/Black Wire (3
pin) and blue wire tube
DFan
Compose of Red/White/Black Wire (3
pin) and black wire tube
E&F Speaker Compose of Red/Black Wire (2 pin)
GLamp Black wire tube (5 pin)
Note:There is only one speaker for EW605ST&EX605ST,the corresponding item is “F”.

EW610ST/EX610ST/EW605ST/EX605ST Condential 2-5
2-2-5 Disassemble Photo sensor
and Photo sensor holder
Unscrew 1 screw (as blue circle) to disassemble the
Photo Sensor Board and Photo Sensor holder from the
Color Wheel Module.
Note: - Avoid touching the glass parts of the color wheel.
2-2-6 Disassemble DMD Board
After replacing DMD board,please paste the EMI mylar
as picture show.

EW610ST/EX610ST/EW605ST/EX605ST Condential 2-6
2-3 �od Adjustment
1. Environment Adjustment
- The distance between the engine and
the screen is 0.98M.
- This process should be done at a dark
environment (under 10 Lux).
2. Procedure Adjustment
- Change the screen to "white screen".
- Adjust the screws by using the rod
on the engine module to readjust the
image.
("screw 1" should be adjusted rst, and
then "screw 2". Adjust until the yellowish
or bluish parts disappeared.)
3. Abnormal image inspection
- It should not have any abnormal color
at the rim of the image by estimating
through the eyes.
Note: - To avoid over adjusting the rod.
- After the operation, please use the glue
to x the screws.
1
2

EW610ST/EX610ST/EW605ST/EX605ST Condential 2-7
2-4 �e-write Lamp Usage
Hour
1. Get into service mode
- Press Power --> Left --> Left-->Menu
to get into service mode.
2. Re-write Lamp Hour-Normal
- Use “Up” or “Down” key to select
"Lamp Hours (Normal)”.
- Use “Left” or “Right” key to re-write the
lamp hour-Normal.
3. Re-write Lamp Hour-ECO
- Use “Up” or “Down” key to select “Lamp
Hours (Eco)”.
- Use “Left” or “Right” key to re-write the
lamp hour-ECO.
4. Re-write Projection Hours
- Use “Up” or “Down” key to select
"Projection Hours”.
- Use “Left” or “Right” key to re-write the
projection hours.
5. Choose “Exit”, press “Enter” to exit
service mode.
Note: Left key = decrease lamp hour
Right key=increase lamp hour

EW610ST/EX610ST/EW60�ST/EX60�ST/EW60�ST/EX60�ST Condential 3-1
Chapter 3
Troubleshooting
3-1 LED Lighting Message For Projector
Message
Power LED LED
Green Amber TEMP
(Red)
LAMP
(Red)
Standby State
(Input power code) OFF ON OFF OFF
Power on(Warming) Flashing OFF OFF OFF
Lamp lighting ON OFF OFF OFF
Power off (Cooling) Flashing OFF OFF OFF
Error (Over Temp.) OFF Flashing ON OFF
Error (Fan fail) OFF Flashing Flashing OFF
Error (Lamp fail) OFF Flashing OFF ON

EW610ST/EX610ST/EW60�ST/EX60�ST Condential 3-2
3-3 Main Procedure
The other troubleshooting procedures please refer to common service manual
3-1(Main Procedure).
No Symptom Procedure
1Auto Shut Down
- Ensure the projector is not put on a soft pad and the air vent is not
blocked.
- a. Lamp Fail: Power LED (ashes amber), Lamp LED (lights red)
- Check Lamp
- Check Lamp Driver
- Check Main Board
b. Over Temp: Power LED (ashes amber), Temp LED (lights red)
- Check Fan
- Check Main Board
- Check thermal switch
c. Fan Fail: Power LED (ashes amber), Temp LED (ashes red)
- Check Fan
- Check Main Board
23D Image Abnor-
mal
- Ensure the using 3D glasses is good and you must face the
projection.
- Ensure the CD in DVD is HQFS format or the graphic card from
PC can support 3D format.
- Ensure your standing distance is less than 6m from screen.
- Ensure the 3D function is on and execute “3D sync invert” in OSD
menu.
- Check main board.

EW610ST/EX610ST/EW60�ST/EX60�ST Condential 3-3
No Symptom Procedure
3Forget Projector
Password
- If you forget the Password, please do the following steps to get
the Universal Password:
(1) When you turn on the projector, the message "Enter
Security Code" appears. Please Input the "Current Security
Code 8642" by Remote Control, then press "Enter".
(2) Press "Menu" button, select "Setup", "Change Password",
then press "Enter" button. The message "Enter Security
Code" appears again, repeat step (1).
(3) The message "Enter New Security Code" appears. Input a
4-digits code (letters and/or numbers) that you dene.
(4) To conrm, key in the password again. The "Security Code
change successfully" appear on the screen.
(1)
(3)
(2)

EW610ST/EX610ST/EW605ST/EX605ST Condential 4-1
Chapter 4
Function Test & Alignment Procedure
4-1 Service Mode Instruction (This section
links to common service manual 4-2 Service
Mode)
1. Turn on the projector.
2. Press Power --> Left --> Left --> Menu on Keypad or Remote
controller.
3. Service mode will be shown. After conrming the conguration,
press "Exit" to exit.
4-2 Factory Fan RPM Reset
After replace main board,blower or upgrade system FW, you need to
do:
1. Plug in the power cord, power on the projector, when the“logo”
disappear, to press “Power”, “Left”, “Left” and “right” button in
sequence, then Picture A will be shown.
2. After several minutes, you can check the fan RPM as red circle
a. Please get into Service Mode.
b. Select “Fan menu”, then press “Enter”, Fan detail information
will be shown.
Note: If the factory fan Value don’t show in service mode,please
repeat the step 1,2 again.
Picture A

EW610ST/EX610ST/EW605ST/EX605ST Condential 4-2
4-3 Keystone Calibration
After replace main board, you need to do:
1. Turn on the projector and ensure the position of the projector is
horizontal.
2. Press Power --> Left --> Left --> Menu on keypad or Remote
controller.
3. Select ''Calibration Menu'', press "Enter" on keypad , then select
''Auto Keystone Calibration,press "Enter" on keypad , select
"start Auto Keystone Calibration", when "Auto Keystone
Calibration State" is "OK"(as blue circle) ,the Keystone
Calibration has been nished.
4. If you want to check the keystone function,please press "menu"
on keypad,select "Auto keystone on'',then lift up the projector
to an angle about 12° of horizontal position, after about 3
seconds , then keystone can be automatically adjusted.