ViewSonic PJ503D-1 User manual

ViewSonic PJ503D-1
Model No. VS11705
DLP Projector
(PJ503D-1_SM Rev. 1cSep. 2008)
ViewSonic 381 Brea Canyon Road, Walnut, California 91789 USA - [phone]
Service Manual

i
ViewSonic Corporation Confidential - Do Not Copy PJ503D-1
Copyright
Copyright © 2008 by ViewSonic Corporation. All rights reserved. No part of this publication
may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any
language or computer language, in any form or by any means, electronic, mechanical, magnetic,
optical, chemical, manual or otherwise, without the prior written permission of ViewSonic
Corporation.
Disclaimer
ViewSonic makes no representations or warranties, either expressed or implied, with respect to
the contents hereof and specifically disclaims any warranty of merchantability or fitness for any
particular purpose. Further, ViewSonic reserves the right to revise this publication and to make
changes from time to time in the contents hereof without obligation of ViewSonic to notify any
person of such revision or changes.
Trademarks
Optiquest is a registered trademark of ViewSonic Corporation.
ViewSonic is a registered trademark of ViewSonic Corporation.
All other trademarks used within this document are the property of their respective owners.
Product disposal at end of product life
The lamp in this product contains mercury. Please dispose of in accordance with local, state or
federal laws.
Revision History
Revision SM Editing Date ECR Number Description of Changes Editor
1a 2/13/2007 Initial Release Jamie Chang
1b 3/19/2007 Revise specification section Jamie Chang
1c 9/5/2008
Revised the "Method to enter factory menu"
in page 137. Jamie Chang

ii
ViewSonic Corporation Confidential - Do Not Copy PJ503D-1
TABLE OF CONTENTS
1. Introduction 1
2. Specifications 2
3. Software/Firmware Upgrade Process 3
4. Adjustment / Alignment Procedure 18
5. Block Diagram 85
6. Troubleshooting 86
7. Schematic Diagrams 94
8. PCB Layout Diagrams 109
9. Exploded Diagrams 122
10. Recommended Spare Parts List 125
11. Appendix 126

1
ViewSonic Corporation Confidential - Do Not Copy PJ503D-1
This section contains general service information, please read through carefully. It should be
stored for easy access place.
Important Service Information
Safety Notice
1 Make sure your working environment is dry and clean, and meets all government safety
requirements.
2 Ensure that other persons are safe while you are servicing the product.
3 DO NOT perform any action that may cause a hazard to the customer or make the product
unsafe.
4 Use proper safety devices to ensure your personal safety.
5 Always use approved tools and test equipment for servicing.
6 Never assume the product’s power is disconnected from the mains power supply. Check that
it is disconnected before opening the product’s cabinet.
7 Modules containing electrical components are sensitive to electrostatic discharge (ESD).
Follow ESD safety procedures while handling these parts.
8 Some products contain more than one battery. Do not disassemble any battery, or expose it
to high temperatures such as throwing into fire, or it may explode.
9 Refer to government requirements for battery recycling or disposal.
General Descriptions
This Service Manual contains general information. There are 2 levels of service:
Level 1: Cosmetic / Appearance / Alignment Service
Level 2: Circuit Board or Standard Parts Replacement
Level 3: Component Repair to Circuit Boards
1. Introduction

2
ViewSonic Corporation Confidential - Do Not Copy PJ503D-1
2. Specifications
Drive system DLP
Panel size 1.4cm(0.55” type)
Liquid crystal
panel
Number of pixels 800 (H) x 600 (V)
Lamp Ushio 160W
RGB signal RGB IN
Video : Analog 0.7Vp-p(75Ωtermination)
H/V. sync. : TTL level (positive/negative)
Composite sync. : TTL level
VIDEO IN 1.0Vp-p (75Ωtermination)
S-VIDEO IN Y signal: 1.0±0.1Vp-p, (75Ωtermination)
C signal: 0.286±0.1Vp-p (NTSC burst signal, 75Ωtermination)
Y
CB/PB
VIDEO signal
COMPONENT
VIDEO
CR/PR
1.0±0.1Vp-p, 75Ωtermination (positive)
0.7±0.1Vp-p, 75Ωtermination (positive)
0.7±0.1Vp-p, 75Ωtermination (positive)
Power supply 100~240V 50~60Hz 2.5A
Power consumption 250W
Dimensions 263 (W) x 108 (H) x 218 (D) mm
Weight 2.6 kg
Temperature range Operation : 0~40°C
Storage : -20~60°C
Accessories
Remote control x1 Batteries x 2
RGB cable x 1 User’s manuals x 1
Power cords x 3 CD Wizard x 1

ViewSonic Corporation Confidential - Do Not Copy PJ503D-1
Level 1 Cosmetic / Appearance / Alignment Service
Software/Firmware Upgrade Process
How to Download Firmware
Hardware required
1. Standard USB Download cable (P/N 50.73213.501)
2. Personal computer or laptop computer
Software required
1. DDP2000 Composer lite
2. New version FW
DDP2000 Composer lite install procedure
Installation Location
The default installation directory is:
C:\Program Files\DLP Composer Lite
If you want to install to a different directory (perhaps alongside a prior release of DLP
Composer™ Lite), click the "Browse" button on the "Select Features" page..
USB Support - Installation (All Platforms)
This release includes support for a USB communications interface to DDP2000-based
projectors. The setup program includes the files needed to install USB support (for
Win98/WinMe/Win2K/WinXP only -- Win95 and WinNT are not supported).
After DLP Composer™ Lite is installed, to install the USB support, choose the "Install
DDP2000 USB Driver" icon under "DLP Composer™ Lite" in your Start menu.
USB Support - Win98/WinMe Only
Installation on Windows 98 or Windows Me may prompt "Please insert the disk labeled 'DLP
Composer Installation Directory', and then click OK". This message may be safely ignored
by clicking the OK button.
Another prompt will then appear: "The file 'windrvr6.sys' on DLP Composer Installation
Directory cannot be found". Again, click OK and the installation proceeds without further
3. Software/Firmware Upgrade Process
3

ViewSonic Corporation Confidential - Do Not Copy PJ503D-1
problems.
USB Support - Using a projector for the first time
After installation is complete, and you plug a DDP2000-based projector into USB for the first
time, Windows will run the "New Hardware Wizard". When the wizard prompts to find the
necessary drivers, accept the recommended choice (let the system find the driver for you)
and click "Next" to complete the installation.
Note: The Windows 98/Me "New Hardware Wizard" may not automatically find the
driver. You should use the "Advanced" option, and enter the directory where the DLP
Composer™ Lite Tool Suite was installed (normally "C:\Program Files\DLP Composer
Lite"). The wizard will find the file "DDP2000.inf" and complete the installation.
USB Support - Choosing the USB interface
To select the USB communications interface, choose "Preferences" from the "Edit" menu,
click the "Communications" page and choose "USB (DDP2000 Only)". You can now use
DLP Composer™ Lite to communicate with a DDP2000-based projector via USB using the
Flash Loader tool.
Download procedure
1. Click on Flash Loader and browse the image file (new version firmware)
4

ViewSonic Corporation Confidential - Do Not Copy PJ503D-1
2. Make sure to check “Skip Boot loader area (load all but the first 16KB)”
3. Plug power cord into projector
4. Press “UP+SOURCE+AUTO” simultaneously on keypad, the projector LAMP LED
would lite on
5. Plug in USB cable between computer and projector side
6. Press start download to begin update new firmware
7. Wait till composer lit notice upgrade completed
8. Download is completed. The factory settings should be restored.
5

ViewSonic Corporation Confidential - Do Not Copy PJ503D-1
Visual Inspection & Cleaning
PART I Visual Inspection Criteria
1. 外觀檢驗規格/Appearance Inspection Spec.
1.1 標準檢驗環境規範 (Environment Condition)
1.1.1 光源強度(Lighting intensity)
所有外觀品質的檢驗環境亮度(白色燈管或自然光源)條件為 500- 800Lux。
All appearance quality shall be inspected with the lighting condition as 500~800Lux
(natural lighting or white fluorescent light).
1.1.2 目標或被觀察物的位置與目視距離
Inspection angle and distance to object or target
所有目標或被觀察物都要放置在投射的光源下檢測，其目視檢測的角度與距離是根據表
面位置等級加以區分。在所有檢測中，光源儘量避免其產品或零件對檢測人員眼睛造成
反射干擾。
All part inspection must be done under direct overhead lighting. Viewing angle and
distance are dependent on surface classification. In all cases, parts must be held in
such that the light reflection does not disturb the inspector's eye.
圖1
等級區分
Classification
A 區
Area A
B 區
Area B
C 區
Area C
光源位置
Lighting positioning
被觀察物正上方
Above of inspected part
目視與被觀察物位置(垂直)
Inspection position relative to part
90º 90º 90º
目視距離(參考距離)
Inspection distance
40-50 cm 40-50 cm 40-50 cm
表1
1.1.3 檢視時間
6

ViewSonic Corporation Confidential - Do Not Copy PJ503D-1
Inspection interval (time)
檢視時間與樣品大小及檢視區域有關。
Inspection interval is a function of surface area.
檢視時間以 10 秒為限。
Time for visual inspection: 10sec.
Parts Size “A” surface “B” surface “C” surface
Time 10 sec 10 sec 10 sec
表2
7