Optoma EP706 User manual

Model Name : EP706/709
SERVICE MANUAL
Date Revise Version Description
2006/09/05 V1.0 Initial Issue
Copyright September, 2006. All Rights Reserved
P/N: 36.86J03G001
Prepared by SI :
________________________________________
Prepared by TSE :
________________________________________
Check by :
________________________________________
Approved by :
________________________________________

This manual is applied to EP706/709 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 immediate-
ly 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.
EP706/709 Service Manual
Copyright September.2006
All Rights Reserved
Manual Version 1.0
EP706/709
i
Preface
Confidential

ii
Table of Content
EP706/709
Chapter 1 Introduction 1-1
Product Highlight 1-1
Compatible Mode 1-5
Chapter 2 Disassembly Procedure 2-1
Equipment Needed 2-1
Disassemble Lamp and Lamp Cover 2-2
Disassemble Elevator Module 2-3
Disassemble Rear Cover 2-6
Disassemble Top Cover 2-7
Disassemble Keypad Board and Keypad LED Lens Rubber 2-8
Disassemble Shield and Speaker 2-9
Disassemble Main Board 2-11
Disassemble Front Cover 2-12
Disassemble Lamp Driver 2-13
Disassemble LVPS 2-14
Disassemble Lamp Housing and Lamp Fans 2-15
Disassemble Engine 2-17
Disassemble Thermal Switch and Light Cut 2-18
Disassemble Color Wheel and Photo Sensor 2-19
Disassemble Zoom Ring and Focus Ring 2-20
Disassemble DMD Board 2-21
Disassemble Blower Fan Module and Bottom Cover 2-22
Chapter 3 Troubleshooting 3-1
Equipment Needed 3-1
Main Procedure 3-1
Chapter 4 Function Test & Alignment Procedure 4-1
Test Equipment Needed 4-1
Service Mode 4-1
Test Condition 4-2
Inspection Procedure 4-2
Confidential

iii EP706/709
Chapter 5 Firmware Upgrade 5-1
Equipment Needed 5-1
Installation Procedure 5-2
Firmware Upgrade Procedure 5-5
Chapter 6 EDID Upgrade 6-1
EDID Introduction 6-1
Equipment Needed 6-1
Setup Procedure 6-2
EDID Key In Procedure 6-3
Appendix A 7-1
Appendix B 7-31
Serial Number System Definition 7-31
PCBA Code Definition 7-32
Confidential

1-1 EP706/709
Confidential
Chapter 1
Introduction
1-1 Product Highlights
• To create a ultra low cost DLP™ based SVGA front projector for end of third quarter
of 2006(EP706)
• To create a ultra low cost DLP™ based XGA front projector for end of third quarter
of 2006(EP709)
• One panel 0.55” DMD XGA projection system with 1800 ANSI lumens
(Marketing)(EP706)
• One panel 0.55” DMD SVGA projection system with 1800 ANSI lumens
(Marketing)(EP709)
• Phoenix 180 W Lamp (user replaceable), Hitachi lamp driver without dim ( eco
mode) support.
• Light weight Approx. 4.4 lbs.
• Manual focus projection 1:1.10 zoom lens
• True 800 x 600 resolution, 16.7M True colors(EP706)
• True 1024 x 768 resolution, 16.7M True colors(EP709)
• With Front, Rear, Desktop, and Ceiling Mount projection mode
• Build-in full screen NTSC/PAL/SECAM video capability with S-video / Composite /
component and HDTV terminals via the VGA adapter
• SXGA/XGA/SVGA/VGA/MAC compatibility.
• Auto image re-sizing to 800 x 600 full screen(EP706)
• Auto image re-sizing to 1024 x 768 full screen(EP709)
• Auto detection of computer signal input
• Auto Image synchronization (Auto-tracking /frequency /position adjustment)
• Powerful enlarge and freeze function
• Automatically saves adjustments for future use
• On-screen menu with 18 languages
English, French, German, Spanish, Italian, Portuguese, Dutch, Swedish, Finnish,
Greek, Danish, Norwegian, Polish, Russian, S_Chinese, T_Chinese, Korean, Japa-
nese
• Adaptive voltage control fan speed
• Express on/off feature – 4 second to display image and 10 second to unplug the
power cord.
• Abnormal shutdown message in the service manual
• Advance RS232 w/projector ID similar as E747

1-2 EP706/709
Confidential
No Item Description
1 Technology Single 0.55” SVGA DDR DMD chip (EP706)
Single 0.55” XGA DDR DMD chip (EP709)
2 Resolution 800 x 600(EP706)
1024 x 768(EP709)
3 Brightness
Marketing specification: 1800 lumens
Engineering typical : 1440 lumens
Engineering minimum: 1200 lumens
4Contrast
ratio
Marketing specification: 2000:1 full on/full off
Engineering typical : 1800:1
Engineering minimum: 1400 :1 full on/full off
5 Uniformity
Marketing specification: 85%
Engineering typical : 80%
Engineering minimum :65%
6Displayable
colors 16.7 million colors 256 shades of gray
7Color
temperature 6500ºK adjustable from 6500ºK to 9500ºK
8 Lamp type 180 watt SHP DC lamp
9 Lamp life Marketing specification : 3000 (STD)
10 Projection
distance 1.5m to 12m
11 Throw ratio 1.93 ~ 2.13:1distance/width
12 Weight <4. 5 lbs
• Keypad Lock
• High altitude setting
• Auto power off with 1 minute count-down
• Auto Sleep timer
• New color-adjusting method provided in OSD menu.
• Advanced security feature for password protection
• Digital Zoom function 100% to 200% (100% is no digital zoom) with pan ability.

1-3 EP706/709
Confidential
No Item Description
13
Unit
dimension
(W X D X H)
230 x 210 x 95 mm
14 LED
Indicator
Power (Bi-color):
Orange: Standby (Projector off)
Green : Normal (Projector on)
Flash Green: Warm up (Go to Normal mode)
Flash Orange: Cooling down (Go to Standby mode)
Error Indication :
Lamp : Red
Temp : Red
15 Tilt angle
6 degrees with elevator mechanism
(one push button and two adjust knobs for height adjust-
ment)
16 Power
supply 100V ~ 240V +/- 10% 50/60Hz
17 Power
consumption
260W (Maximum)
Standby mode - < 12 Watt 110V AC
18 Input
connections
One D-Sub 15 pin connector for analog RGB/component
video/HDTV and supports SCART RGB signal (via an
adapter for Europe only)
One mini-Din 4 pin connector for S-Video
One composite RCA-type connector
One mini-Din 3 pin connector for RS232
19 Operational
noise
Marketing specification : 30dB
Engineering specification: (TBD)
CORE: typical: 35dB
20 Temperature Operating: 5 - 35°C
Storage: -20- - 60°C
21 Maximum
Humidity
Operating: 5 - 35°C, 80% RH (Max.), non-condensing
Storage: -20- - 60°C, 80%RH (Max.), non-condensing
22 Altitude
Operating: 0~2,500 ft, for 5°C~35°C
2,500~5,000 ft, for 5°C~30°C
5,000~10,000 ft, for 5°C~25°C
Maximum storage altitude 40,000 ft

1-4 EP706/709
Confidential
No Item Description
23 MTBF Operating more than 12,000 hours (90% Confidence Level)
24
Electrical/
Environmen-
tal listings
1. FCC-UL Class B (US EMI), CB Report, (Europe Sin
gapore and Australia) CE Class B, RoHS, TUV-GS
(Europe EMI & safety) , WEEE logo
2. VCCI-II (Japan EMI), PSE (Japan safety)
3. UL/CUL Canada and USA
4. CCC (China EMI & safety),
5. ICES-003 (Canada)
6. MIC (for Korea)
7. PSB (Singapore)

1-5 EP706/709
Confidential
1-2 Compatible Mode
Compatibility Resolution V-Sync (Hz)
VGA 640x480 60
VGA 640x480 72
VGA 640x480 75
VGA 640x480 85
VGA 848x480 60
VGA 720x400 70
SVGA 800x600 56
SVGA 800x600 60
SVGA 800x600 72
SVGA 800x600 75
SVGA 800x600 85
XGA 1024x768 50
XGA 1024x768 60
XGA 1024x768 70
XGA 1024x768 75
XGA 1024x768 85
SXGA 1280 x 1024 50
SXGA 1280 x 1024 60
SXGA 1280 x 1024 70
SXGA 1280 x 1024 72
SXGA 1280 x 1024 75
SXGA 1280 x 1024 85

2-1
Condential EP706/709
2-1 Equipment Needed
Chapter 2
Disassembly Process
Item Photo Item Photo
Screw Bit (+)
:107
Hex Sleeves
5mm
Hex Sleeves
8mm Tweezers
Long Nose
Nipper(Left)
Angle
Cutting
Nipper(Right)
Wrench
(8mm)

2-2 EP706/709
Condential
No Procedure Photo
1Unscrew 2 screws to disas-
semble Lamp Cover.
(as red circle)
2Unscrew 2 screws to disas-
semble Lamp Module.
(as red circle)
2-2 Disassemble Lamp and Lamp Cover
Lamp
Lamp Cover

2-3
Condential EP706/709
No Procedure Photo
1(1) Unscrew 2 screws .
(as red circle)
(2) Disassemble the elevator
module.
2-3 Disassemble Elevator Module

2-4 EP706/709
Condential
No Procedure Photo
2Use a nipper to clip out a
small spring and a long spring
front the elevator.

2-5
Condential EP706/709
No Procedure Photo
3(1) Use the bottom side of
nipper to push down the
tenon to separate elevator.
(2) Unscrew one screw to
disassemble the top of
elevator.
(as red circle)
(3) Push down to separate the
body of elevator.

2-6 EP706/709
Condential
No Procedure Photo
1(1) Unscrew four screws.
(as red circle)
(2) Pull open from the edge of
the rear cover .
(3) Detach rear cover from the
bottom side.
(as the picture shows)
2-4 Disassemble Rear Cover
Rear Cover

2-7
Condential EP706/709
No Procedure Photo
1(1) Unscrew ve screws.
(Two screws in each side,
one screw in the bottom)
(2) Lift the Top Cover and pull
out the FPC Cable which
connect main board and
control board.
2-5 Disassemble Top Cover
There are two screws this side.

2-8 EP706/709
Condential
No Procedure Photo
1(1) Unscrew four screws.
(as red circle)
(2) Pull up FPC Cable.
2-6 Disassemble Keypad Board and Keypad LED Lens
Rubber
Keypad Board Keypad LED Lens Rubber
FPC Cable

2-9
Condential EP706/709
2-7 Disassemble Shield and Speaker
No Procedure Photo
1(1) Unscrew two screws to
disassemble top shield.
(as red circle)
(2) Unscrew two screws to
disassemble the engine
shield.
(as red circle)
Top Shield
Engine Shield

2-10 EP706/709
Condential
No Procedure Photo
2(1) Unscrew four screws .
(as red circle)
(2) Unplug one wire to disas
-semble back shield.
(as blue circle)
There is still a screw in this side
1
2
34
NOTE: When you Disassemble the back shield,
you have to detach it from the top .
(As the picture show)

2-11
Condential EP706/709
2-8 Disassemble Main Board
No Procedure Photo
1(1) Unscrew two screws .
(as red circle)
(2) Unplug eight wires to
disassemble main board.
(as blue circle)
Note: Main board and DMD is connected by a
connector, in order to Disassemble main board, you
have to pull up and Disassemble it.