Optoma HD67 User manual

SERVICE MANUAL
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Date Revise Version Description
2010.06.01 V1.0
Initial Issue
(Separate from ES526_EX536_EX531_CB2800_
EW536_HD66_EX538_HD67 Service Manual V4.0)
HD67

HD67 Condential I
Preface
This manual is applied to HD67 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.
HD67 Service Manual
Copyright Jun. 2010
All Rights Reserved
Manual Version 1.0

HD67 Condential III
Table of Content
Chapter 1 Introduction
Highlight 1-1
Chapter 2 Disassembly Process
Equipment Needed & Product Overview 2-1
Disassemble Top Cover Module 2-2
Disassemble Main Board Module 2-3
Rod Adjustment 2-4
Re-write Lamp Usage Hour 2-5
Chapter 3 Troubleshooting
LED Lighting Message 3-1
Main Procedure 3-2
Chapter 4 Function Test & Alignment Procedure
Service Mode 4-1
Defect specication table 4-1
Test Inspection Procedure 4-2
Factory Fan RPM Reset 4-2
PC MODE 4-3
Video Performance 4-3
Optical Performance Measure 4-4
Chapter 5 Firmware Upgrade
Section 1: System Firmware Upgrade 5-1
Equipment Needed 5-1

HD67 Condential IV
Firmware Upgrade Procedure 5-2
Section 2: 8051 Firmware Upgrade Procedure 5-3
Equipment Needed 5-3
USB Driver Upgrade Procedure 5-4
8051 Firmware Upgrade Prodedure 5-4
Chapter 6 EDID Upgrade
EDID Introduction 6-1
Appendix A
Exploded Image I
Appendix B
Serial Number System Denition I
PCBA Code Denition II

HD67  1-1
Chapter 1
Introduction
No  
1 
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3         
        
  
  
6 
7 

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
        
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  
 


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1-1 Highlight

HD67 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.

HD67 Condential 2-2
2-1 Disassemble Top Cover
Module
1. Unscrew 2 screws (as red circle) from the
Bottom Cover.
2. Unscrew 2 screws (as green circle) from
the IO Cover .
3. Remove the Top Cover Module.
Note: - When you remove the Top Cover,
take care of the connector (as yellow
square) which connected 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.

HD67 Condential 2-3
2-2 Disassemble Main Board
Module
Please refer to the below table details of
each connector on Main Board.
Item Male Connector
on Main Board The key feature Figure
ALamp Driver Black wire tube (5 pin)
B Fan Compose of Red/Yellow/Black
Wire (3 pin)
CPhoto Sensor Compose of Red/Black/White
Wire and Black wire tube (3 pin)
DIR Compose of Red/Black/White
Wire and Gray wire tube (3 pin)
ESpeaker Compose of Red/Black Wire and
Black wire tube (2 pin)
A
B
C
DE

HD67 Condential 2-4
1
2
2-3 Rod Adjustment
1. Environment Adjustment
- The distance between the engine and
the screen is 2.4 M.
- This process should be done at a dark
environment (under 2 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 opreation, please use the glue
to x the screws.
Z type driver

HD67 Condential 2-5
2-4 Re-write Lamp Usage
Hour
1. Get into service mode
- Press "Power", "Left", "Left" and "Menu"
buttons sequentially to get into service
mode.
2. Use "up" or "down" buttons to select
"Exit", then use "left" or "right" buttons to
re-write the lamp hour back to previous
lamp usage hour.
3. Press "Enter" to exit the service mode.
Note: left key = decrease lamp hour
right key =increase lamp hour

HD67 Condential 3-1
Chapter 3
Trobleshooting
Message Power LED
(Red / Green)
Temp LED
(Red)
Lamp LED
(Red)
Standby State
(input power cord) Red
Power on (warming) Flashing
Green
Lamp lighting Green
Power off (Cooling) Flashing
Green
Error
(Lamp failed)
Flashing
Red
Error
(Fan failed)
Flashing
Red Flashing
Error
(Over Temp.)
Flashing
Red
No light
Steady light
3-1 LED Lighting Message

HD67 Condential 3-2
3-2 Main Procedure
The other troubleshooting procedures please refer to common service manual
3-1.
No Symptom Procedure
1No Power
- Ensure the Power Cord and AC Power Outlet are securely
connected
- Check Lamp Cover , Interrupt Switch
- Ensure all connectors are securely connected and aren’t
broken
- Check LVPS
- Check Lamp Driver
- Check Main Board
2Auto Shut Down
- Check LED Status
a. Lamp Fail Power LED (ashes red), Lamp LED (lights red)Lamp Fail Power LED (ashes red), Lamp LED (lights red)Power LED (ashes red), Lamp LED (lights red)
- Check Lamp
- Check Lamp Driver
- Check Main Board
b. Over Temp. Power LED (ashes red), Temp LED (lights red)Over Temp. Power LED (ashes red), Temp LED (lights red)Power LED (ashes red), Temp LED (lights red)ashes red), Temp LED (lights red), Temp LED (lights red)
- Check Fan
- Check Main Board
c. Fan Fail Power LED (ashes red), Temp LED (Flashes red)Fan Fail Power LED (ashes red), Temp LED (Flashes red)Power LED (ashes red), Temp LED (Flashes red)ashes red), Temp LED (Flashes red), Temp LED (Flashes red)
- Check Fan
- Check Main Board

HD67 Condential 3-3
No Symptom Procedure
3No Light On
- Ensure all connectors are securely connected and aren’t
broken
- Check Lamp Module
- Check Lamp Driver
- Check LVPS
- Check Main Board
- Check Color Wheel
- Check Photo Sensor Board
4No Image
- Ensure the Signal Cable and Source work
(If you connect multiple sources at the same time, use the
“Source” button switch)
- Ensure all connectors are securely connected and aren’t
broken
- Check Main Board
- Check DMD Board
- Check DMD Chip
- Check Color Wheel
- Check Engine Module
53D Image Abnormal
- 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.

HD67 Condential 4-1
Chapter 4
Function Test & Alignment Procedure
4-1 Service Mode (This section links to common service
manual 4-2)
1. Turn on the projector
2. Do the following actions sequentially to get into service mode
(1) Press "Power", "Left", "Left" and "Menu" buttons sequentially on remote controller.
(2) Service Mode will be shown.
(3) Choose "Exit" to leave the Service Mode after conrming the conguration.
4-2 Defect specication table
Order Symptom Pattern Criteria
1Bright pixel ( dots) Black pattern A+B=0
2 Dark pixel(dots) White pattern A+B≤4
3 Unstable pixel (dots) Any pattern A+B=0
4Adjacent dark pixel (dots) Any pattern A+B=0
5Bright blemish (Dirty) Gray 10 pattern A+B≤4
(diameter <1 inch)
6Dark blemish (Dirty) Blue 60 pattern A+B≤4
(diameter <1 inch)
7Bright dot on frame Black pattern ≤1

Condential 4-2
HD67
4-3 Test Inspection Procedure
Update
Change parts
Main
Board Firmware Color Wheel
Lamp
Module
Engine
Module Blower
Version Update v v
Color Wheel Index v v
Reset lamp hour v
OSD Reset v v
EDID v
Re-write Lamp Hour
Usage v
Rod adjustment v
Fan Factory Reset v v v
Note: - If Color appears abnormal after changing Main Board Module, please do Color Wheel index
adjustment.
- After changing parts, check the information above table.
4-4 Factory Fan RPM Reset
After replace main board, Fan, upgrade system FW,
it’s necessary to do:
1. Plug in the power cord, power on the projector, when the
“logo” disappear, press “Power”, “Left”, “Left” and “right”
button in sequence.
2. After about 70 seconds, you can check the fan RPM :
a. Please get into Service Mode (Refer to 4-2)

Condential 4-3
HD67
b. To select “RD MENU”, then press “OK”, Fan detail
information will be shown.
Note: After about 70 seconds,If the blower speed(>70 sec) is
not between 2800-3200,you must change fan.
4-5 PC MODE
Note: - Test signal: analog 1280 x 720 @60Hz
- Connect VGA IN port of Projector with VGA port of Chroma
and connect VGA Out port of Projector with VGA port of
Monitor by VGA cable, check if the Projected image
and the LCD image are the same.
4-6 Video Performance
1. 3D Test
Procedure - Test equipment: 1.DVD Player&HQFS format CD
Or 2.PC with 3D Graphic card
Inspection item - 3D test
Inspection Distance - < 6M
Criteria - The image should not appear noise, icker, shadow,
shocking, abnormal color.

Condential 4-4
HD67
4-7 Optical Performance Measure
Inspection Condition
- Environment luminance: 2 Lux
- Product must be warmed up for 3 minutes
- Distances from the screen: 2.4 M
- Screen Size: 60 inches diagonal
1. Test equipment
Procedure - Connect VGA IN port of HD67 with VGA port of
Chroma by VGA cable, press "Menu" button, get into
OSD mode, the settings are as below:
- "Display mode" is "Presentation", "Brightness" is "50",
"Contrast" is "60", and the "Format" is "4:3".
- Please do the Optical Performance Measure.
2. Brightness
Criteria ● 1000 ANSI lumen
3. Full On/Full Off Contrast
Criteria ● 1800:1
4. Uniformity
Criteria ● 65%

HD67 Condential 5-1
Chapter 5
Firmware Upgrade
Section 1: System Firmware Upgrade (This section links to
common service manual 5-2)
5-1 Equipment Needed
Software: (DDP 2431)
- DLP Composer Lite 9.2
- Firmware
- Library le (Library 9.2)
Hardware:
- Projector
- Power cord: 42.50115G001
- RS232 cable: 42.83618G001
- PC or Laptop

HD67 Condential 5-2
5-2 Firmware Upgrade Procedure
1. Set-up
- Hold on "POWER" button and plug in the power
cord, the power LED will start to ash until the LED
status goes to steady orange, the Temp LED and
Lamp LED will light on red.
- Loosen the "POWER" button.
- Connect projector with PC by RS232 cable.
Note: The system fan and the lamp will not operated.
2. Check FW version.
- Re-plug in power cable, then restart the unit
and get into the Service mode to check the
rmware version.
(To get into Service mode, please press "Power",
"Left", "Left" and "Menu" buttons sequentially.)

HD67 Condential 5-3
Section 2: 8051 Firmware Upgrade Procedure
5-3 Equipment Needed
Software: (DDP 2431- USB)
- Setup _NLINK_en
- Manley USB Driver_NLINK
- xxx_8051_xx.hex
Hardware:
- Projector
- Power cord: 42.50115G001
- USB cable: 42.00286G101
- NLINK Fixture
- PC or Laptop