Optoma HD73 User manual

Prepared by SI :

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Prepared by TSE :

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Checked by :

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Approved by :

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Model Name : HD73

Date Version Description

2006/10/13 V1.0 Initial Issue

P/N#36.85T05G001

SERVICE MANUAL

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Preface

This manual is applied to HD73 0.65” Dark Chip 3 DMD 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.

HD73 Service Manual

Manual Version 1.0

P/N#36.85T05G001

HD73

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Table of Contents

Chapter 1 Introduction 1-1

Product Highlight 1-1

Computer CVompatible 1-4

Chapter 2 Disassembly Procedure 2-1

Equipment Needed 2-1

Disassemble Lamp, Top Cover, Keypad Board and IR Receiver 2-2

Disassemble I/O Cover, Main Board, Lamp Driver, LVPS

and Axial Fan Module 2-6

Disassemble Engine Module, DMD Chip, DMD Board,

Color Wheel and Photo Sensor Board 2-11

Disassemble Focus Ring, DMD Fan, Speaker, Blower Fan

and Elevator Module 2-14

Chapter 3 Troubleshooting 3-1

Equipment Needed 3-1

Main procedure 3-1

Chapter 4 Function Test and Alignment Procedure 4-1

Test Equipment Needed 4-1

Service Mode 4-1

Test Condition 4-2

Inspection Procedure 4-2

Chapter 5 Firmware Upgrade Procedure 5-1

Equipment Needed 5-1

Firmware Upgrade Mode 5-1

Installation Procedure 5-2

Firmware Upgrade Procedure 5-6

Chapter 6 EDID Upgrade Procedure 6-1

EDID Introduction 6-1

Equipment Needed 6-1

HD73

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HD73

III

Setup Procedure 6-2

EDID Key-In Procedure 6-2

Appendix Appendix A 7-1

Exploded Overview 7-1

Appendix B 7-28

  I.SerialNumberSystemDenition     7-28

  II.PCBACodeDenition       7-29

Reader’s Response 7-30

The compared table of HD72 & HD73 7-31

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1-1 HD73

Condential

Chapter 1

Introduction

1-1 Highlight

No Item Description

1Weight Appro x 7 lbs.

2Dimension (W x D x H) 347.1mm x 245.7mm x 94.7mm

3Cooling system Advanced air ow

Two motor fans

Temperature control circuits with adaptive voltage

control fan speed.

Maximum touch temperature follows UL60950-1 regula-

tion

4Connect I/O port - One Mini DIN 4-pin for S-Video Input

- One RCA Jack for Composite Video Input

- Three RCA Jacks for component video / HDTV input

- One Mini DIN 3-pin for RS232

- USB (same as DV10)

- One-12V Relay

- HDMI component i\p 480\576\720\1080

- DVI - I

5 Lamp housing - Lamp could be changed by customer, but should

follow the user manual insturction.

- Replacable Lamp should be provided by Coretronic or

its authouized agencies.

6 Tilt angle: - 7 degree (max)

7Lamp Door Protection - Lamp power supply shut off actomatically when door

open

8 Power supply - Universal —240 VAC+/-10%, 50-60 Hz with PFC

input

9 Power Consumption - Full power mode:285W+/-10%

Stand by: < 12W

10 Input signal spec. Hsync Frequency: 31.5 ~ 100KHz

Vsync Frequency:56 ~ 85 Hz

- PC Signal RGB

- Analog RGB: 0.7Vp-p, 75 ohm

- Analog RGB: 1Vp-p, 75 ohm, Sync. Signal

- Separate TTL H,V Sync.

- Composite TTL Sync.

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1-2 HD73

Condential

No Name Description

10 Input signal spec. - Video

- Composite video: 1Vp-p,75 ohm

- S-video Luminance: 0.714Vp-p,75 ohm

- S-video Chrominance: 0.286Vp-p,75 ohm

11 System Controller - TI DDP3020

12 Video compatibility - NTSC: M (3.58MHz), 4.43 MHz, 480i

- PAL: B, D, G, H, I, M, N; 60Hz

- SECAM: B, D, G, K, K1, L

- HDTV: 480p, 576i/p, 720p 50 & 60 Hz, 1080i 50 & 60

13 WXGA / Compression - by using “DDP3020” Chips to compress SXGA+ image

into WXGA display

14 Projector control key-

pad

- Power/Standby

- Menu

- Select

- Right Arrow/Re-sync,

- Left Arrow/Source

- Up Arrow/Keystone}+

- Down Arrow/Keystone-

15 Keystone correction - +/- 15 degree

16 Brightness - 800 lumens (Engineering)

- 640 lumens (Minimum)

17 Contrast ratio - 2500 : 1 full on/full off (Typical)

- 1500 : 1 full on/full off (minimum)

18 Uniformity - 65% minimum

19 Projection lens - F/ 2.5~2.8, f = 22.25 ~ 26.69mm, 1.2X

20 Throw ratio - 1.58 - 1.90 distance/width

21 Aspect ratio - Native on 16 : 10 (1.6:1) & 16:9 (1.77:1)

22 LED indicator - Power : Power On/Off indicator

23 Lamp life - 2000 hours Brite mode

- 3000 hours Normal mode

24 Lamp type - 220W Lamp ECO 180W Osram E20.5

25 Optional accessories - DVI-I cable

- Ceiling Mount - new ceiling mount with the pole

centred above the lens

- Carry case

- HDMI to DVI adaptor

26 Full Printed manual - EMEA & USA : English, French, German, Spanish and

Portuguese

- ASIA : English, Traditional Chinese, Japanese, Korean

and Simplied Chinese,

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1-3 HD73

Condential

NO Name Description

27 QSC - With 17 languages : English, German, French, Dutch,

Greek, Swedish, Italian, Spanish, Portuguese,

Polish, Norwegian,(No/DK), Russian, Finnish,

Traditonal Chinese, Simplied Chinese, Japanese,

Korean

28 Color Wheel - 6 segments GRBGRB (Φ44mm G57/R70/B53/G57/

R70/B53 (NEW CLUE))

29 Noise - 31 dB (A)

30 Quick shut down - 30 seconds

31 Input connectors - DVI-I, HDMI, 3xRCA component, Composite, S-Video

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1-4 HD73

Condential

1-2 Computer Compatible

Compatibility Resolution 85V-Sync (Hz)50

VGA 640 x 480 60

640 x 480 72

640 x 480 75

640 x 480 85

848 x 480 60

848 x 480 75

848 x 480 85

720 x 400 70

720 x 400 85

SVGA 800 x 600 56

800 x 600 60

800 x 600 72

800 x 600 75

800 x 600 85

XGA 1024 x 768 60

1024 x 768 70

1024 x 768 75

1024 x 768 85

WXGA 1280 x 768 60

1280 x 768 75

1280 x 768 85

HD 1280 x 720 50

1280 x 720 60

1920 x 1080 50

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1-5 HD73

Condential

Compatibility Resolution V-Sync (Hz)

1920 x 1080 60

SXGA 1280 x 1024 60

1280 x 1024 70

1280 x 1024 72

1280 x 1024 75

1280 x 1024 85

SXGA+ 1400 x 1050 60

1400 x 1050 75

UXGA 1600 x 1200 60

MAC 1152 x 870 75.06

MAC G4 640 x 480 60

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2-1 HD73

2-1 Equipment Needed

Chapter 2

Disassembly Process

Item Photo Item Photo

Screw Bit

(+) :107

Hex Sleeves

5mm

Hex

Sleeves

8mm

Tweezers

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