BELINEA 103026 User manual

_

Belnea

Service

Manual

17-inch

Color

Monitor

(Belinea

103026)

Belnea

(Maxdata

103026)

Table

of

Contents

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20

Te

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Spare

Pars

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26

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Belnea

1

Precautions

(Maxdata

103026)

Follow

these

safety

and

servicing

precautions

to

prevent

damage

and

to

protect

against

potential

hazards

such

as

electrical

shock

and

X-rays.

1-1

Safety

Precautions

j-

1.

1-1

Warnings

For

safety

purpose,

do

not

attempt

to

modify

the

circuit

board,

and

always

disconnect

the

AC

power

before

performing

servicing

on

the

monitor.

.

Operation

of

the

monitor

outside

its

cabinet

or

with

the

cover

removed

involves

the

risk

of

shock

hazard.

Repair

work

on

the

monitor

should

only

be

attempted

by

service

personnel

who

are

thoroughly

familiar

with

all

necessary

safety

precautions

and

procedures

for

working

on

high

voltage

equipment.

.

Do-not

lift

the

CRT

by

the

neck.

After

completely

discharging

the

high

voltage

anode,

handle

the

CRT

only

when

wearing

shatterproof

goggles.

Try

to

keep

the

CRT

away

from

the

body

during

handling.

.

High

voltage

should

always

be

kept

at

the

rated

value,

no

higher.

Only

when

high

voltage

is

excessive

are

X-rays

capable

of

penetrating

the

shell

of

the

CRT.

Operation

at

high

voltages

may

also

cause

failure

of

the

CRT

or

high

voltage

circuitry.

.

The

CRT

is

especially

constructed

to

limit

X-

ray

emission

to

0.5mR/HR

at

300

microamperes

anode

current.

To

ensure

continued

X-ray

protection,

replace

the

CRT

with

only

the

same

or

equivalent

type

as

the

original,

and

adjust

the

anode’s

voltage

to

the

designated

maximum

rating,

never

to

exceed.

1-1-2

Safety

Checks

Before

returning

the

monitor

to

the

user,

perform

the

following

safety

checks:

1.

Inspect

to

make

certain

that

each

lead

dress

is

not

pinched

or

that

hardware

is

not

lodged

between

the

chassis

and

other

metal

parts

in

the

monitor.

.

Inspect

all

protective

devices

such

as

nonmetallic

control

knobs,

insulating

materials,

cabinet

backs,

adjustment

and

compartment

covers

or

shields,

isolation

resistor-capacitor

networks,

mechanical

insulators,

etc.

.

AC

Leakage

Current

Check

Always

perform

the

AC

Leakage

Current

Check

on

the

exposed

metal

parts,

including

metal

cabinets,

screwheads

and

control

shafts,

as

follows:

a)

Plug

the

AC

line

cord

directly

into

a

rated

AC

outlet.

Do

not

use

an

isolation

transformer

during

the

check.

b)

Use

an

AC

voltmeter

with

at

least

5000

ohms

per

volt

sensitivity

as

follows:

Connect

a

1500

ohms,

10

watt

resistor

paralleled

by

a

0.15uF

AC

capacitor

in

series

with

all

exposed

metal

cabinet

parts

anda

known

earth

ground,

such

as

electrical

conduct

or

electrical

ground

connected

to

earth

ground,

as

shown

in

the

Figure

1-1.

Measure

the

AC

voltage

across

the

combination

of

resistor

and

capacitor.

Figure

1-1.

Set

Up

For

AC

Leakage

Current

Check

To

exposed

meatal

cabinet

part

To

known

earth

ground

4500

ohm

10

watt

c)

Reverse

the

AC

plug

at

the

AC

outlet

and

repeat

the

steps

for

AC

voltage

measurements

for

each

exposed

metal

part.

d)

Voltage

reading

must

not

exceed

0.3

volts

RMS,

equivalent

to

0.2

milliampere

AC.

Any

value

exceeding

this

limit

ill

constitute

a

potential

shock

hazard

and

must

be

corrected

immediately.

Page

2

Precautions

Belnea

(Maxdata

103026)

1-1-3

Product

Safety

Notices

Many

electrical

and

mechanical

parts

in

this

chassis

have

special

safety-related

characteristics

which

are

often

not

evident

from

visual

inspection,

the

protection

afforded

by

them

may

not

be

obtained

by

replacing

them

with

components

rated

for

higher

voltage,

wattage,

etc.

Before

replacing

any

of

these

components,

consult

the

Recommended

Spare

Parts

List

given

at

the

end

of

this

manual.

Any

of

the

replacements

that

do

not

provide

the

same

safety

characteristics

may

result

in

shock,

fire,

X-ray

emission

or

other

hazards.

1-2

Servicing

Precautions

Warning:

An

electrolytic

capacitor

installed

with

the

wrong

polarity

might

explode.

Caution:

Before

performing

servicing

covered

by

this

service

manual,

read

and

follow

the

Safety

Precautions

section

of

this

manual.

Note:

If

unforeseen

conflict

between

the

following

servicing

precautions

and

any

of

the

safety

precautions,

always

follow

the

safety

precautions

1.

Follow

closely

the

servicing

precautions

printed

on

the

monitor

cabinet

and

chassis.

2.

Always

unplug

the

AC

power

cord

from

the

AC

power

source

before

removing

or

installing

any

component

ot

assembly,

disconnecting

PCB

plugs

or

connectors

and

connecting

a

test

component

in

parallel

with

a

capacitor.

3.

When

replacing

parts

or

circuit

boards,

clamp

the

lead

wires

around

the

component

before

soldering.

4,

When

replacing

a

high

wattage

resistor

(>0.5W

metal

oxide

film

resistor)

in

the

circuit

board,

keep

the

resistor

about

1

cm

(1/2

inch)

away

from

the

circuit

board.

5.

Keep

wires

away

from

the

high

voltage

or

high

temperature

components.

6.

Keep

wires

in

their

original

positions

so

as

to

minimize

interference.

7.

Always

connect

a

test

instrument’s

ground

lead

to

the

instrument

chassis

ground

before

connecting

the

positive

lead;

always

remove

the

instrument’s

ground

lead

last.

After

putting

the

rear

cover

back

and

make

sure

the

monitor

is

working

properly,

the

Hi-Pot

&

Ground

Continuity

tests

MUST

BE

performed

before

the

monitor

is

returned

to

user.

1-3

Hi-Pot

Test

1,

Test

Equipment

Puncture

test

model

PM5530

ADT

or

KIKUSU

TOS-8750

voltage

tester

or

equivalent

approved

equipment.

Note

:

The

test

equipment

must

be

calibrated

in

regular

period.

2.

Test

Setup

a)

Apply

voltage

:

DC

2100

VDC

b)

Test

duration

:

3

seconds

c)

Cutoff

current

should

be

set

to

3

mA

3.

Test

Procedure

a)

Unplug

power

cord

from

AC

source.

b)

Put

the

power

switch

of

the

monitor

in

the

“ON”

position.

c)

Leave

signal

cable

un-connected.

Precautions

Page}

|

Belnea

(Maxdata

103026)

d)

Plug

monitor

power

cord

to

the

Hi

Pot

tester

terminals.

e)

Turn

on

tester

and

watch

the

indicator

or

beeper.

f)

If

the

indicator

lamp

lighten,

or

beeper

beeps,

the

test

fails.

1-4

Ground

Continuity

Test

1.

Test

Equipment

AC

low

ohm

tester

TOS-6100

or

equivalent

approved

equipment.

Note

:

The

test

equipment

must

be

calibrated

in

regular

period.

2.

Test

Setup

a)

Test

duration

:

3

seconds

b)

Set

current

limit

at

25

A

c)

The

grounding

resistance

must

be

less

than

0.1

ohm.

3.

Test

Procedure

a)

Plug

the

monitor

power

cord

to

the

tester

terminals.

b)

Make

sure

all

connections

are

well-contacted.

c)

Turn

on

monitor

power

and

tester

power.

d)

Press

“Test”

button.

.

e)

If

green

light

shows

up,

means

test

OK.

If

red

light

shows

up,

means

test

fails.

f)

Ifthe

Tester

has

a

digital

display,

the

resistance

value

must

not

exceed

0.1

ohm.

Note

:

Be

sure

not

to

touch

the

metal

portion

of

the

signal

cable

head

during

testing.

|

Page

4

Precautions

Belnea

(Maxdata

103026)

2

Product

Specifications

2-1

Specifications

17-inch

(16-inch

Visual

image

area),

sloted

mask,

90

degrees

Picture

Tube

deflection,

dot

type

black

matrix,

medium

short

persistence

phosphor,

dark

tint,

non-glare/

anti-static

screen,

0.28

mm

dot

pitch

s

ing

F

Z

VGA,

Super

VGA,

1024x768@60/70/75/85

Hz

eRRRE

ee

REGUS?

1280x1024@60Hz

Maximum

Resolution

1280

dots

(H)

x

1024

lines

(V)

@60Hz

refresh

rate

Display

Area

306

mm

(H)

x

230

mm

(V)

typical

Display

Characters

80

char.

x

60

rows

on

a

10

x

10

matrix

Display

Colors

Analog

|

ty,

jimited

Colors

Input

Horizontal:

30

to

70

kHz

Frequencies

Vertical

:

50

to

160

Hz

iso

Sk

_[Amfon'07

ven ROB

peeve

=

75

Watts

(maximum)

AC

rated

voltage,

100VAC

to

240VAC

Center

Area

:

<

0.3

mm;

Corner

Area

:

<

0.4mm

Power

On/Off,

Contrast,

Brightness,

Horizontal

Size,

Horizontal

Position,

Vertical

Size,

Vertical

Position,

Pincushion,

Trapezoid,

Rotation,

Color

temperature,

Language,

Display

Frequency,

Degauss,

Recall,

H.

Moire,

V.

Moire

Service

Controls

PWB-1618

PWB-1606

:

power

voltage

adjust

(VR801),

high

voltage

adjust

10

(see

Table

2-2.

Timing

Chart)

Operation

temperature

:

10°C

to

40°C

ambient

Operation

Humidity

:

20%

to

80%

ambient

Storage

temperature

:

-40°C

to

65°C

ambient

Storage

Humidity

:

10%

to

90%

(non-condensing)

Altitude

:

Non

operating

40,000

feet

sea

level

operating

10,000

feet

sea

level

User

Controls

Environmental

Considerations

Note:

Above

specifications

are

subject

to

change

without

prior

notice.

Product

Specifications

Pages

|

Belnea

(Maxdata

103026)

2-2

Signal

Cable

Connections

Table

2-1.

Signal

Cable

Assignment

feet

dP

Si

reeves

i

sv

>

[orsen

ves

——*idi

CN

Ce

forse

aroma

|

Note*

This

pinis

used

for

selftest

detection.

Connect

this

to

ground

at

the

PC

end.

**

—

For

PC

99:

This

will

provide

+5V

from

PC

side.

a

on

|

ey

a

ae

|

Page

6

Product

Specifications

Belnea

(Maxdata

103026)

2-3

Timing

Chart

This

section

describes

the

timings

that

the

computer

industry

recognizes

as

standard

for

computer-generated

video

signals.

Table

2-2.

Timing

Chart

Pa

Ee

ce

aee

ee

ees

eee

H.

Dots

720

640

800

1024

800

1280

1024

V.

Dots

400

480

600

{|

600

1024

768

|

37.5

H-freq

(kHz)

Syne

Polarity

A

period

us

B

Blking

us

C

Syne

us

D

B.P.

us

E

Active

us

F

FE.P.

us

V-freg

(Hz)

Sync

Polarity

O

Period

ms

P

Biking

ms

Q

Sync

ms

R

B.P.

us

S

Active

us

T

F.P.

us

Seperate

Sync

Horizontal

E

Vertical

.

Video

==

Video

iw

o

J

4

Le

a

H.Parameters:

V.Parameters:

A:

Period

B:

Blanking

Time

G:

Period

H:

Blanking

Time

[

C:

Syne

Width

D:

Back

Porch

L

Sync

Width

J:

Back

Porch

ae

E:

Active

Time

F:

Front

Porch

K:

Active

Time

L:

Front

Porch

Product

Specifications

Page?

}

Belnea

(Maxdata

103026)

2-4

Display

Power

Management

Signal

(DPMS)

Note:

The

monitor

will

be

driven

into

“Power

Saving”

mode

by

the

control

signal

from

the

display

controller,

as

indicated

by

the

amber-color

power

LED.

Table

2-3.

Display

Power

Management

Signal

(DPMS)

State

Power

LED

Cousumption

Light

Active

<

*

For

power

consumption

:

75W

Max.

(@

230V

AC,

preset

size

and

maximum

light

output

condition)

2-5

TCO

Version

(Optional)

The

monitor

meets

the

TCO

95/99,

NUTEK

energy

saving,

electric

and

magnetic

field

requirements.

Also

it

is

compliant

with

TCO

95/TCO

99

labelling

scheme.

The

emission

from

magnetic

and

electric

field

must

comply

with

the

limits

specified

by

the

Swedish

Board

for

Measurement

and

Testing,

commonly

known

as

MPR

1990

recommendations.

These

limits

are

sum-

marized

in

the

Table

2-4.

Table

2-4.

TCO

95

Emission

Requirements

Electrostatic

+/-

500

V

+/-

500

V

Potential

The

monitor

is

designed

with

selected

CRT

and

carefully

routed

wires

around

CRT,

make

sure

exactly

the

same

routing

scheme

is

used

when

doing

CRT

replacement.

|

Page

8

Product

Specifications

BELINEA 103026 User manual

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