ViewSonic VE510+-1 Manuale utente

ViewSonic VE510+-1

Model No.VLCDS23587-2W

Service Manual

15” Color TFT LCD Display

(VE510+-1_SM_546 - Rev. 2a –Dec 2002)

ViewSonic381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583

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

ViewSonic is a registered trademark of ViewSonic Corporation. All other trademarks

used within this document are the property of their respective owners.

Revision History

Revision Date Description Approval

1a 07/29/02 Initial Release DCN-2255 K.Yang

1b 11/04/02 Revise DCN-2255 C.Shen

2a 12/18/02 Major Re-Write DCN-2255 C.Shen

ViewSonic Corporation iConfidential --DoNot Copy VE510+-1

TABLE OF CONTENT

Chapter 1 Precautions and Notices…………………………………………1

Chapter 2 Specification…………………………………………………….....3

2-1 Features……………………………………………………….. 3

2-2 General Specification………………………………………….4

2-3 Factory Preset Timing…………………………………………5

2-4 D-Sub connector Pin Assignment…………………………...6

Chapter 3 Disassembly / Assembly Instructions…………………………7

Chapter 4 Electronic Circuit Description…………………………………..9

4-1 Block Diagram………………………………………………….9

4-2 Main Board I/O Connections………………………………….11

4-3 Inverter Board I/O Connections……………………………...13

4-4 Theory of Circuit Operation…………………………………..13

Chapter 5 Adjustment…………………………………………………………29

Chapter 6 Troubleshooting Flow Chart……………………...…………….32

6-1 Figures of Wave Form………………………………………32

6-2 Troubleshooting Flow Chart………………………………..35

Chapter 7 Schematics Diagrams……………………………………………39

Chapter 8 PCB Layout…………………………………………………...……43

Chapter 9 ExplodedDiagram and Mechanical Parts List………….…...45

Chapter 10 Recommended Spare Parts List………..………………….....47

Chapter 11 Complete Parts List……………………………………………..48

Appendix

Reader's Responses

ViewSonic Corporation iiConfidential --DoNot Copy VE510+-1

1. Precautions and Notices

Prior to using this manual, please ensure that you have carefully followed all

the procedures outlined in the user manual for this product.

Read all of these instructions.

Save these instructions for later use.

Follow all warnings and instructions marked on the product.

Do not use this product near water.

This display should be installed on a solid horizontal base.

When cleaning, use only a neutral detergent cleaner with a soft damp cloth.

Do not spray with liquid or aerosol cleaners.

Do not expose this display to direct sunlight or heat. Hot air may cause

damage to the cabinet and other parts.

Adequate ventilation must be maintained to ensure reliable and continued

operation and to protect the display from overheating. Do not block ventilation

slots and openings with objects or install the display in a place where

ventilation may be hindered.

Do not install this display near a motor or transformer where strong

magnetism is generated. Images on the display will become distorted and

the color irregular.

Do not allow metal pieces or objects of any kind fall into the display from

ventilation holes.

Slots and openings in the cabinet and the back or bottom are provided for

ventilation, to ensure reliable operation of the product and to protect it from

overheating, those openings must not be blocked or covered. The openings

should never be blocked by placing the product on a bed, sofa, rug, or other

similar surface. This product should never be placed near or over a radiator or

heat register. This product should not be placed in a built-in installation unless

proper ventilation is provided.

ViewSonic Corporation 1Confidential --DoNot Copy VE510+-1

ViewSonic Corporation 2Confidential --DoNot Copy VE510+-1

FCC Statement

This equipment has been tested and found to comply with the limits of Class B digital

device, pursuant to part 15 of the FCC Rules. These limits are designed to provide

reasonable protection against harmful interference in a residential installation. This

equipment generates uses and can radiate radio frequency energy, and for if not

installed and used in accordance with the instructions, may cause harmful

interference to radio communication. However, there is no guarantee that the

interference will not occur in a particular installation. If this equipment does cause

unacceptable interference to radio or television reception, which can be determined

by turning the equipment off and on, the user is encouraged to try to correct the

interference by one or more of following measures᧶

Reorient or relocate the receiving antenna.

Increase the separation between equipment and receiver.

Use a different power outlet for the monitor and receiver.

Consult the dealer or an experienced radio/TV technician for help.

FCC Warning

To assure continued FCC compliance, the user must use a grounded power supply

cord and the provided shielded video interface cable with bonded ferrite cores. Also,

unauthorized changes or modifications to ViewSonic products will void the usercs

warranty to operate this device. Thus ViewSonic will not be held responsible for the

product and its safety.

CE Certification

This device complies with the requirements of the ECC directive

89/3366/EEC with regard to sElectromagnetic compatibility.s

Safety Guidelines

Caution: Use a power cable that is properly grounded. Always use the AC cords

listed below for each area᧶

USA (UL)

Canada (CSA)

Germany (VDE)

Switzerland (SEV)

Britain (BASE/BS)

Japan (Electric Appliance Control Act)

In other areas, use AC cord which meets the local safety standards.

2. Specification

2-1 Features

VE510+ is a world class TFT LCD analog display monitor that includes the

following features.

1. Digital On Screen Display Controls

User friendly buttons: Mute, VolumeЁ, VolumeЀ, Button1, Down, Up,

Button2, and POWER (Soft Switch), allowing for picture perfect quality.

(Power, Button1, Button2 and Mute button should be one shot logic

operation.)

2. Power Supply Support

Ability to accept voltages from 87~264VAC, thus allowing a full range of

input AC power supply.

3. Power Saving System

This environmental friendly product is able to reduce power consumption

by more than 90% in Active Off Mode.

4. Frequency Range

Monitor can support video standards from VGA to XGA, where Horizontal

Frequency is from 30 to 62 kHz and Vertical Refresh Rate is from 50 to

75Hz.

ViewSonic Corporation 3Confidential --DoNot Copy VE510+-1

2-2 General Specification

Characteristic Description

LCD Panel Mitsubishi 15.0” AA150XC01, 0.297mm (H/V),

Anti-glare

Maximum Viewing

Angles Horizontal: 150 degrees @ CR>10

Vertical: 110 degrees @ CR>10

Signal Input VideoΚRGB analog

Sync ΚH.V. Separate Sync.

HorizontalΚ30 to 62KHz

Vertical Κ50 to 75Hz

Connector Analog: 15 Pin Mini D-Sub

Maximum Resolution 1024x768

Video Bandwidth 85 MHz nominal

Display Area 304.1 mm (H) x 228.1 mm (V)

Power Voltage 87~264VAC @ 47~63 Hz

Power Consumption 40W max. (Adaptor plus monitor)

Operating Conditions Temperature : 32 to104 (0 to 40 )

Humidity : 10% to 90% (no condensation)

Altitude : 0 to +3,000 meters

Storage Conditions Temperature : -4 to +140 (-20 to +60 )

Humidity : 10% to 90% (no condensation)

Altitude : 0 to +12,000 meters

Mechanical

Dimensions Width: 359.0mm / 14.13”

Height: 325.0mm / 12.8”

Depth: 190.5mm / 7.5”

Depth side panel w/o base: 49.0mm / 1.92”

Monitor Weight: 3.3Kg / 7.3 lbs

Package Dimensions Width: 480.0mm / 18.9“

Height: 425.0mm / 16.7”

Depth: 110.0mm / 4.3”

Gross: 5.1Kg (11.2 lbs)

ViewSonic Corporation 4Confidential --DoNot Copy VE510+-1

ഘ ഘ

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2-3 Factory Preset Timing

This timing chart is already preset for the TFT LCD monitors.

Timing Horizontal

Polarity Horizontal

Frequency Vertical

Polarity Vertical

Frequency

VGA 640x350 + 31.47 kHz - 70.09 Hz

VGA 720x400 - 31.46 + 70.08

VGA 640x400 - 31.46 + 70.08

VGA 640x480 - 31.47 - 60.05

VESA 640x480 - 37.86 - 72.81

VESA 640x480 - 37.50 - 75.00

MAC 640x480 Composite 35.00 66.66

VESA 800x600 + 35.15 + 56.25

VESA 800x600 + 37.87 + 60.31

VESA 800x600 + 48.07 + 72.18

VESA 800x600 + 46.87 + 75.00

MAC 832x624 SOG 37.86 72.80

VESA

1024x768 - 48.36 - 60.00

VESA

1024x768 - 56.47 - 70.06

VESA

1024x768 - 58.03 - 71.91

VESA

1024x768 + 60.02 + 75.02

MAC 1024x768 Composite 60.24 74.92

ViewSonic Corporation 5Confidential --DoNot Copy VE510+-1

2-4 D-Sub connector Pin Assignment

The TFT LCD analog display monitors use a 15 Pin Mini D-Sub connector as

video input source.

Pin Number Pin Description

1 Red video input

2 Green video input

3 Blue video input

4 Ground

5 Ground

6 R video ground

7 G video ground

8 B video ground

9 +5V

10 Ground

11 No Connection

12 (SDA)

13 Horizontal sync (Composite sync)

14 Vertical sync

15 (SCL)

100

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3. Disassembly / Assembly Instructions

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