ViewSonic VG150m-1 Manuale utente

ViewSonic VG150m-1

Model No.VLCDS23587-3W

Service Manual

15” Color TFT LCD Display

( VG150m-1_SM_547-R ev.1 a –Dec 2 0 02 )

ViewSonic “ 381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-858

VG150mb-1

VLCDS23587-4W

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

ViewSonic Corporation iConfidential --DoNot Copy VG150m/mb

1a 12/17/02 Initial Release DCN-2256 C.Shen

TABLE OF CONTENTS

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

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

2-1 General Specification………………………………………....3

2-2 Factory Preset Timing…………………………………….......4

2-3 D-Sub Connector Pin Assignment…………………………...5

Chapter 3 Disassembly / Assembly Instructions………………………...6

Chapter 4 Electronic Circuit Description…………………………………..7

4-1 Block Diagram………………………………………………….7

4-2 Main Board I/O Connections………………………………….8

4-3 Inverter Board I/O Connections………………………………8

4-4 Theory of Circuit Operation……………………………………9

Chapter 5 Adjustment………………………………………………………….24

Chapter 6 Troubleshooting FlowChart…………………………………..26

6-1 Figures of Wave Form……………………………………….26

6-2 Troubleshooting Flow Chart…………………...……………29

Chapter 7 Schematic Diagrams…………………………………………….33

Chapter 8 PCB Layout…………………………………………………………37

Chapter 9 ExplodedDiagram and Mechanical Parts List…………………41

Chapter 10 Recommended Spare Parts List………………………………….43

Chapter 11 Complete Parts List……………………………………………...44

ViewSonic Corporation ii Confidential --DoNot Copy VG150m/mb

Appendix

Reader's Response

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 mustnot 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 VG150m/mb

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 generatesand can radiate radio frequency energy, and 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 measuresΚ

Reorient or relocate the receiving antenna.

Increase the separation between equipment and receiver.

Connect into an outlet on circuit different from that to which the receiver is connected.

Consult the dealer or an experience 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 authority 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 properly grounded.Always use the AC Mains cords listed below for each areaΚ

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.

ViewSonic Corporation 2Confidential --DoNot Copy VG150m/mb

2. Specification

2-1 General Specification

ViewSonic Corporation 3Confidential --DoNot Copy VG150m/mb

Characteristic Description

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

Maximum Viewing Angles Horizontal: 150 degrees @ CRЊ10

Vertical: 110 degrees @ CRЊ10

Signal Input VideoΚRGB analog

SyncΚH.V. Separate Sync, H.V. Composite Sync

(TTL Compatible), Sync. On Green

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 : 32лto 104л(0кto 40к)

Humidity : 10% to 90% (no condensation)

Altitude : 0 to +3,000 meters

Storage Conditions Temperature : -4лto +140л(-20кto +60к)

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 view 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)

2-2 Factory Preset Timing

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

ViewSonic Corporation 4Confidential --DoNot Copy VG150m/mb

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 Ѻ66.66

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 Ѻ72.80

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 Ѻ74.92

2-3 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)

ViewSonic Corporation 5VG150m/mb

Confidential --DoNot Copy

3. Disassembly / Assembly Instructions

ViewSonic Corporation 6Confidential -Do Not Copy VG150m/mb

AUDIO IN

SPEAKER

AC Outlet Adaptor

Main Board

Inverter

ControlBrightness

TFT

LCD

Panel

Digital

Signal

Analog

Signal

Video Card

12V

VA C

Volumecontrol&Muteon/off

Speaker

Audioin

DC/DC

Converter

+5V

VLCD

+3.3V

+12V

Clamp

Video Gain

Video Level

ADC MUX

Scaling

Engine

Sync detect

Phase calibration

OSD Generator

OSD overlay

MUX

MCU port Dithering

Output control

Output

LCD

Panel

R, G, B

Sync

Buffer

SYNCMOS

SM5964

MCU

U1 MRT

MASCOT

R, G, B offset

Gamma control

Audio amp.

4. Electronic Circuit Description

4-1 Block Diagram

ViewSonic Corporation 7Confidential --DoNot Copy VG150m/mb

Questo manuale è adatto per i seguenti modelli

Indice

Altri manuali ViewSonic Monitor

ViewSonic

ViewSonic ViewPanel VG191 Manuale utente

ViewSonic

ViewSonic VX922 - 19" LCD Monitor Manuale utente

ViewSonic

ViewSonic VA2212m-LED Manuale utente

ViewSonic

ViewSonic OPTIQUEST Q2205WB Manuale utente

ViewSonic

ViewSonic VS10790 Manuale utente

ViewSonic

ViewSonic VA926-LED Manuale utente

ViewSonic

ViewSonic XG2405 Manuale utente

ViewSonic

ViewSonic SD-Z246 Manuale utente

ViewSonic

ViewSonic LD108-122 Manuale utente

ViewSonic

ViewSonic GT775 - 17" CRT Display Manuale utente

ViewSonic

ViewSonic VE155B - 15" LCD Monitor Manuale utente

ViewSonic

ViewSonic VX2338Sh Manuale utente

ViewSonic

ViewSonic VS10696 Manuale utente

ViewSonic

ViewSonic VP3881 Manuale utente

ViewSonic

ViewSonic VA705M Manuale utente

ViewSonic

ViewSonic VA708a Manuale utente

ViewSonic

ViewSonic ViewPanel VP150m Manuale utente

ViewSonic

ViewSonic VX2716 Manuale utente

ViewSonic

ViewSonic ViewBoard IFP70 Series Manuale utente

ViewSonic

ViewSonic PD0711 Manuale utente

ViewSonic

ViewSonic CDP6530 Manuale utente

ViewSonic

ViewSonic VA2209-h Manuale utente

ViewSonic

ViewSonic CDE7512-2 Manuale utente

ViewSonic

ViewSonic LCD Display VA1912w-1 Manuale utente

Manuali Monitor popolari di altre marche

Linear Acoustic

Linear Acoustic LQ-1000 Manuale utente

AOC

AOC I2579V Manuale utente

Gateway

Gateway FPD1520 Manuale utente

Furuno

Furuno Mu 120c Manuale utente

Asus

Asus VB171D - 17" LCD Monitor Manuale utente

Dell

Dell S2230MX Istruzioni utente

Philips

Philips 107C64 Manuale utente

Dell

Dell S2409WFP Manuale utente

EverFocus

EverFocus EN-7517E Manuale utente

Panasonic

Panasonic TH152UX1 - 152" PLASMA TV Manuale utente

Dell

Dell Precision 7680 Manuale di istruzioni

LG 50PM1M - - 50" Plasma Panel Manuale utente

Bosch

Bosch DDU 9 Manuale utente

Acer

Acer A231HL Manuale utente

Philips

Philips 86BDL4152T Manuale utente

NEC

NEC AccuSync LCD5V Manuale utente

Emay

Emay SleepO2 Manuale utente

IBM

IBM 6360 Istruzioni per l'installazione