Optoma ML500 User manual

SERVICE MANUAL

Prepared: Checked: Approved:

Date Revise Version Description

2011.08.23 V1.0 Initial Issue

2011.09.5 V2.0 Modify Chapter 6 ,Chapter 3

2011.10.18

V3.0 Modify chapter 5,add new method to upgrade

multimedia FW

ML500

Chris Amy Alick

ML500 Condential II

Preface

This manual is applied to ML500 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.

ML500 Service Manual

Manual Version 3.0

ML500 Condential

III

Table of Content

Chapter 1 Introduction

Highlight 1-1

Compatible Mode 1-2

Chapter 2 Disassembly Process

Equipment Needed & Product Overview 2-1

Disassemble Top Cover Module and Key Pad 2-2

Disassemble LED Driver Board 2-4

Disassemble Main Board 2-5

Disassemble Fan 2-6

Disassemble Light Sensor Board 2-7

Disassemble Speaker and IR Board 2-7

Disassemble Engine Module and LED 2-8

Disassemble LVPS 2-10

Disassemble Bottom Cover Module 2-11

Re-write LED Usage Hour 2-12

Repair Action 2-13

Chapter 3 Troubleshooting

Equipment Needed 3-1

Main Procedure 3-2

No Power Troubleshooting 3-3

Power Troubleshooting 3-4

Image Troubleshooting 3-5

ML500 Condential IV

Remote Control Troubleshooting 3-9

Chapter 4 Function Test & Alignment Procedure

Test Equipment Needed 4-1

Test Conditon 4-1

I/O Port Test 4-2

Composite Port And Audio Test 4-7

S-Video Port Test 4-7

HDMI Port Test 4-7

3D test 4-8

SD Card /Mini USB/ USB ash disk test 4-8

Calibration 4-10

Run in test 4-12

Test Inspection Procedure 4-13

Chapter 5 Firmware Upgrade

Section 1: System Firmware Upgrade 5-1

Equipment Needed 5-1

DLP Composer Lite Setup Procedure 5-2

Firmware Upgrade Procedure 5-4

Section 2: Multi-Media Firmware Upgrade(USB) 5-7

ML500 Condential VI

USB Driver Upgrade Procedure 5-8

Multi-Media Firmware Upgrade 5-10

Section 3: Multi-Media Firmware Upgrade(SD Card) 5-13

Multi-Media Firmware Upgrade procedure 5-14

Section 4: 8051 Firmware Upgrade 5-17

Firmware Upgrade Procedure 5-18

Chapter 6 EDID Upgrade

EDID upgrade procedure 6-1

Appendix A Exploded Overview I

Appendix B Serial Number System Denition X

PCBA Code Denition XI

ML500 Condential 1-1

Chapter 1

Introduction

1-1 Highlight

No Item Description

1Dimensions (WxDxH) ●

220x170x41 mm

2Power Supply ●

Auto-ranging: AC100V ~ 240V ± 10%, 50-60Hz

3Power consumption ●Normal mode: 120W +/- 20%.@ 110Vac

●ECO mode: 60W +/-20% @ 110Vac

4 Keystone correction ● Vertical +/-40 degree

5Throw ratio ●WXGA 1280x800 1.4 +/- 5%

6 Projection lens ● YM102

7 LED life 20,000 Hours Bright Mode @ 75W +/-10 % , B50/

L50*Note Survival Rate

8 DMD Chip ●TI” DMD , 0.45” WXGA DMD

9System controller ● TI DPP6401

10 Throw Distance 0.52m ~3.00 m (mechanical travel range)

0.91m ~ 2.40 m (optical travel range)

11 Video compatibility

Standards :

● NTSC M/J, 3.58MHz, 4.43MHz

● PAL BG/DK/I/M/N , 4.43MHz

● 480i, 480p, 576i, 576p, 720p, 1080i

12 Input signal spec

● Analog RGB signal (PC)

- Analog RGB 0.7 +/- 0.1 Vp-p, 75 ohm

- Separate TTL H,V Sync.

● Video signalVideo signal

- NTSC/PAL Composite video 1.0 +/- 0.1 Vp-p, 75ohm

● Audio signalAudio signal

- 900mVrms, 22K ohm

Condential 1-2

ML500

Compatibility Resolution V-Sync [Hz]

VGA

640 x 480 60

800x600 60

1024x768 60

1280x720 60

1280x800 60

Video

480i/480p 60

576i/576p 50

720p 50/60

1080i/1080p 50/60

HDMI

480i/480p 60

576i/576p 50

720p 50/60

1080i/1080p 50/60

No Item Description

13 Altitude&Temperature

● Operating: 0 ~ 2,500 ft, for 5°C~35°C

2,500 ft ~ 5,000 ft, for 5°C~30°C

5,000 ft ~ 10,000 ft, for 5°C~25°C

● Operating: 5 ~ 35 °C

Non-operation:-20°C ~ 60°C

1-2 Compatible Mode

●Computer Compatibility

Condential 1-3

ML500

●Compatibility: Document

Ofce Version

Microsoft® Ofce 95

Microsoft® Ofce 97

Microsoft® Ofce 2000

Microsoft® Ofce 2003

Microsoft® Ofce 2007

Microsoft® Ofce 2010

- Compatible Document Format

Microsoft® Ofce Application File Extension

Word .doc

.docx

Power Point .ppt

.pptx

Excel .xls

.xlsx

Adobe PDF .pdf

●Media File Support List Video

File Type Video Resolution Bit Rate Frame Rate Audio Code Remark

AVI

MKV

XVID

MPEG4

H.264

M-JPEG

WMV3

1080P 20Mbps 30fps

AC3

DTS

MPEG1/2/3

PCM

ADPCM

AAC

No support VC-

1 AP

H.264 support

less

than 4 reference

frames

TS H.264 1080P 20Mbps 30fps

AC3

AAC

MPEG1/2/3

DTS

LPCM

H.264 support

less

than 4 reference

frames

DAT

VOB

MPG

MPEG

MPEG-1 1080P 20Mbps 30fps

MPEG1/2/3

AC3

DTS

LPCM

- Video

Condential 1-4

ML500

MOV

MP4

3GP

MPEG-4

H.264

H.263

1080P 20Mbps 30fps

AAC

AMR

PCM

ADPCM

H.264 support

less

than 4 reference

frames

RMVB

RV3

RV4 720P 5Mbps 30fps

Cook(RA4)

AAC(RA9)

RACP(RA10)

WMV WMV3 1080P 20Mbps 30fps WMA2

WMA3

No support VC-

1 AP

- Image

Image Type (Ext

name)

Sub Type Encode Type Max Pixels

JPEG

JPG

Baseline

YUV400 No Limit

YUV420 No Limit

YUV422 No Limit

YUV440 No Limit

YUV444 No Limit

Progressive

YUV400

Width<=10240

& Height <= 6400

YUV420

YUV422

YUV440

YUV444

BMP No Limit

- Music

Music Type (Ext name) Sample Rate (KHz) Bit Rate (Kbps)

MP1/MP2/MP3 8-48 8-320

WMA 22-48 5-320

OGG 8-48 64-320

ADPCM-WAV 8-48 32-384

PCM-WAV 8-48 128-1536

AAC 8-48 8-256

Note: If the Computer Compatibility supportive signal is different from User’s Manual,

please refer to User’s Manual.

ML500 Condential 2-1

Chapter 2

Disassemble And Repair Action

2-1 Equipment Needed & Product Overview

1. Screw Bit (+) :107

2. Hex Sleeves 5mm

3. Screw Bit (+) :102

4. Hex Sleeves 7mm

5. Tweezers

6. ML500 unit

* 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 get into service mode and

record the LED usage hour. please refer to section 2-12.

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