Optoma HD72 Instruction manual

Prepared by SI :

________________________________________

Prepared by TSE :

________________________________________

Checked by :

________________________________________

Approved by :

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Model Name : HD72

Date Version Description

2006/02/27 V2.0 Initial Issue

P/N#36.83F01.001 . Document#83F-G04-01A

SERVICE MANUAL

Preface

This manual is applied to HD72 0.65” Dark Chip 2 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.

HD72 Service Manual

Manual Version 1.0

P/N#36.83F01.001

Document#83F-G04-01A

HD72

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

HD72

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 Deﬁnition 7-28

II. PCBA Code Deﬁnition 7-29

Reader’s Response 7-30

1-1 HD72

Chapter 1

Introduction

1-1 Highlight

No Item Description

1 Weight Appro x 71b.

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

3 Cooling system Advanced air ﬂow

Two fans with low system acoustic noise level

Temperature control circuits with adaptive voltage

control tan speed.

Maximum touch temperature follows UL60950

4 Connect I/O port - HDMI Connector

- DVI-I Input Connector (PC Digital and DVI-HDCP)

Note: Only for DVI-I connector, no VGA connector

- Component VIdeo Input Connector

- Composite Video Input Connector

- S-Video Input Connector

- RS232 Input Connector

- Service Connector

- +12V Relay Connector

- Main Power Switch

- Power Socket

- Kensington MicrosaverTM Lock Port

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 with elevator mechanism

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

open

8 Power supply - Inpu 100-240V, 50/60Hz

9 Power Consumption - 285 W+-10% Full Power

- <13 W Standby Power

10 Input signal spec. - PC Signal

- Hsync Frequency 31.5 ~ 100 kHz

- Vsync Frequency 56 ~ 85 Hz

- Video Signal RGB (PC)

- Analog RGB 0.7 Vp-p, 75 ohm

- Separate TTL H, V Sync Composite TTL Sync.

1-2 HD72

No Name Description

10 Input signal spec. - Video

- Composite video 1Vp-p, 75 ohm

- S-Video Luminance 0.714Vp-p, 75 ohm

- Chrominance 0.286 Vp-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 &

60Hz

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 - 1040 lumens (Engineering)

- 880 lumens (Minimum)

17 Contrast ratio - 2000 : 1 full on/full off (Typical)

- 1600 : 1 full on/full off (minimum)

18 Uniformity - 65% minimum

19 Projection lens - F / 2.5 ~2.8, f = 22.25 ~26.69mm. 1.2 x Zoom Lens

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 Lsmp 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 Simpliﬁed Chinese,

1-3 HD72

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, Simpliﬁed Chinese, Japanese,

Korean

28 Color Wheel - 7 segment colour wheel GRBWGRB

(G56R62B47W30G56R62B47).

29 Noise - 29 dB (A)

30 Quick shut down - 30 seconds

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

1-4 HD72

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 50

1024 x 768 60

1024 x 768 70

1024 x 768 75

1024 x 768 85

WXGA 1280 x 768 50

1280 x 768 60

1280 x 768 70

1280 x 768 72

1-5 HD72

Compatibility Resolution V-Sync (Hz)

1280 x 768 75

1280 x 768 85

HD 1280 x 720 50

1280 x 720 60

1280 x 720 72

1920 x 1080 50

1920 x 1080 60

1920 x 1080 72

SXGA 1280 x 1024 50

1280 x 1024 60

1280 x 1024 70

1280 x 1024 72

1280 x 1024 75

1280 x 1024 85

SXGA+ 1400 x 1050 50

1400 x 1050 60

1400 x 1050 70

1400 x 1050 72

1400 x 1050 75

MAC 1152 x 870 75.06

MAC G4 640 x 480 60

2-1 HD72

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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