ViewSonic VX500 Service Manual - Page 6

2.

FEATURE

The

purpose

of

this

manual

provides

integral

information

you

need

to

maintain

the

LCD

Monitor.

And

this

manual

is

applied

to

the

mode

of

1024x768

pixels

color

TFT

LCD

Monitor.

This

manual

is

for

the

experienced

electronic

technicians

and

those

with

similar

backgrounds.

Send

the

products

back

to

the

local

distributor

or

repair

center.

Do

not

attempt

any

disassembling

actions

that

are

complex

or

aren't

mentioned

in

the

troubleshooting

section.

The

manual

includes

Engineering

Specification,

Front

Panel

Control

description,

Circuit

Description,

Troubleshooting,

Theory

of

Operation,

Mechanical

Assembly,

Service

Parts

List,

and

Circuit

Diagram.

Each

section

will

be

briefly

discussed

below.

ENGINEERING

SPECIFICATIONS

This

SECTION

provides

the

engineering

specification

for

the

designated

LCD

monitor.

Since

we

only

provide

a

reference

engineering

specification

in

this

service

manual,

Please

refer

to

Document

#

VSCEPRSPEC1496,ViewSonie

Engineering

Product

Specification

for

detailed

product

specification.

CIRCUIT

DESCRIPTIONS

The

first

part

of

this

SECTION

provides

a

functional

block

diagram

for

the

LCD

Monitor.

The

second

part

of

this

SECTION

consists

of

a

detailed

I/O

connector

PIN

ASSIGNMENT

for

the

PCBs.

TROUBLESHOOTING

Maintenance

procedures

described

in

this

section

are

intended

to

isolate

faulty

parts

and

replace

them

in

the

field.

The

section

makes

explanations

on

how

to

detect

errors,

through

a

series

of

sequential

fl

ow

chart

for

fault

detection

and

means

of

corrections.

The

material

contained

in

this

section

provides

basic

troubleshooting

techniques

on

the

module

level.

THEORY

OF

OPERATION

This

section

is

written

and

designed

for

use

on

in

-lab

troubleshooting.

The

section

contains

the

detailed

description

on

the

operations

of

parts,

which

are

labelled

on

the

Functional

Block

Diagram.

The

section

is

intended

for

in

-lab

repair

personnel

who

would

conduct

an

in

-lab

troubleshooting

of

the

system.

MECHANICAL

ASSEMBLY

This

section

contains

an

Exploded

Drawing

for

the

system,

for

which

can

be

used

by

the

repair

personnel

for

parts

identity.

SERVICE

PARTS

LIST

This

section

aims

to

serve

as

a

guide

in

procuring

replacement

parts

for

this

product.

ViewSonic

Corporation

3

Confidential

—

Do

Not

Copy

vx500-1

ViewSonic VX500 Service Manual - Page 6

Feature, Engineering, Specifications, Circuit, Descriptions, Troubleshooting, Theory, Operation,

Page 6 highlights