Commodore 1084 S-D1 Manuale utente

Commodore

ША)

PAL

VERSION

Service

Manual

09.91

PN-400413-01

Commodore

Produced

Ву:

Commodore

International

Spare

Parts

GmbH

Braunschweig,

West

Germany

SERVICE

MANUAL

1084S-D1

PAL

VERSION

SEPTEMBER,

1991

PN-400413-02

INTERNATIONAL

EDITION

SERVICE

POLICY

AND

PART

NUMBER

INFORMATION

MAY

VARY

ACCORDING

COUNTRY.

SOME

PARTS

MAY

NOT

AVAILABLE

ALL

COUNTRIES.

Commodore

Business

Machines,

Inc.

1200

Wilson

Drive,

West

Chester,

Pennsylvania

19380

U.S.A.

Commodore

makes

express

implied

warranties

with

regard

the

information

contained

herein.

The

infor-

mation

made

available

solely

basis,

and

the

entire

risk

completeness,

reliability,

and

accuracy

with

the

user.

Commodore

shall

not

liable

for

any

damages

connection

with

the

use

the

information

contained

herein.

The

listing

any

available

replacement

part

herein

does

not

constitute

any

case

recommenda-

tion,

warranty

guaranty

quality

suitability

such

replacement

part.

Reproduction

use

without

ex-

press

permission,

editorial

pictorial

content,

any

matter

prohibited.

This

manual

contains

copyrighted

and

proprietary

information.

part

this

publication

may

reproduced,

stored

in a

retrieval

system,

transmitted

any

form

any

means,

electronic,

mechanical,

photo-

copying,

recording

otherwise,

without

the

prior

written

permission

Commodore

Electronics

Limited.

1991

Commodore

Electronics

Limited.

All

rights

reserved.

Printed

U.S.A.

Reprinted

with

permission

Daewoo

Electronics

Co.

Ltd.

СОМТЕМТЭ

SPECIFICATIONS

IMPORTANT

SERVICE

SAFETY

INFORMATION

INSTALLATION

AND

CHASSIS

PARTS

LOCATION

SERVICE

INSTRUCTIONS

SERVICE

ADJUSTMENT

SERVICE

INFORMATION

Rear

Connection

Panel

P.C.B.

Board

Layouts

Circuit

Diagram

27/28

Block

Diagram

29/30

Parts

List

SPECIFICATIONS

CRT

13V

deflection

angle

in-line

Video

band

width

НОВ:

MHz

Dot

pitch

0.41

ог

0.42mm

high

resolution

Analog

RGB:

MHz

Input

signals:

Digital

RGBI,

Analog

RGB,

Composite:

4.4

MHz

PAL

Composite,

Separated

Video

(luma

Separated

Video:

5.2

MHz

chroma)

and

Audio

(Luma

Chroma)

при

еме!

Digital

ВОВ:

TTL

Scanning

frequency

Horizontal:

15.75

KHz

Analog

RGB:

Video

0.7

Vpp

Vertical:

Sync

TTL

level

Audio

(Stereo)

Input:

Vpp/47K

Comp.,

Video,

Chroma:

Vpp/75

Output:

Display

size

260(h)

186(v)

Dimensions

352(W)

376(D)

326(H)

Colors

RGBI:

colors

Weight

Approx.

11.0

Analog

RGB:

Full

colors

Power

input

220/240VAC,

Hz,

0.5A

Comp.:

Full

colors

Power

consumption

75W

Resolution

RGB:

2,000

characters

(80

column

lines)

*Design,

features

and

specifications

are

subject

Comp.:

1,000

characters

change

without

notice.

(40

column

lines)

—

IMPORTANT

SERVICE

SAFETY

INFORMATION

WARNING:

isolation

transformer

must

used

between

the

supply

and

the

plug

the

color

monitor

before

servicing

testing

performed

this

monitor,

since

part

the

chassis

and

the

heat-sink

are

directly

connected

one

side

the

line

which

could

present

shock

hazard.

The

chassis

the

monitor

should

never

connected

ground.

Before

serving

performed,

read

all

the

precautions

labelled

the

CRT,

chassis,

and

the

inside

the

cabinet

this

monitor.

X-RAY

RADIATION

WARNING

NOTICE

WARNING:

PARTS

WHICH

INFLUENCE

X-RAY

RADIATION

HORIZONTAL

DEFLECTION.

HIGH

VOLTAGE

CIR-

CUITS

AND

PICTURE

TUBE,

ETC.,

ARE

INDICATED

(ж)

THE

PARTS

LIST

FOR

REPLACEMENT

PURPOSES.

USE

ONLY

THE

TYPE

SHOWN

THE

PARTS

LIST.

PRODUCT

SAFETY

NOTICE

WARNING:

FOR

CONTINUED

SAFETY,

REPLACE

SAFETY

CRITICAL

COMPONENTS

ONLY

WITH

MANUFAC-

TURER

RECOMMENDED

PARTS.

THESE

PARTS

ARE

IDENTIFIED

SHADING

AND

(

)

THE

SCEMATIC

DIAGRAM.

% % *

жк

* k

NOTICE

D'AVERTISSEMENT

RADIATION

AUX

RAYONS

AVERTISSEMENT:

LES

PIECES

QUI

INFLUENCENT

LES

RAYONS

COURSE

DEVIATION

HORIZON-

TALE,

LES

CIRCUITS

HAUTE

TENSION

ТОВЕ-МАСЕ,

ETC.

SONT

ACCOMPAGNEES

D'UN

ASTERIQUE

(ж)

DANS

CATALOGUE

PIECES

DETACHEES.

DANS

CAS

D'UN

REMPLACEMENT,

UTILISER

UNIQUE-

MENT

LES

MODELES

PIECES

DANS

CATALOGUE

PIECES

DETACHEES.

NOTICE

SECURITE

AVERTISSEMENT:

POUR

ETRE

ASSURE

D'UNE

SECURITE

OPTIMENT

TOUT

MOMENT,

REMPLACER

LES.

COMPOSANTS

CRITIQUES

UNIQUEMENT

PAR

LES

PIECES

RECOMMANDEES

PAR

FABRICANT

L'APPAREIL,

CES

PIECES

SONT

IDENTIFIEES

PAR

UNE

ZONE

D'OMBRE

PAR

SYMBOLE

( )

SUR

SCHEMA

MONTAGE.

The

manufacturer’s

warranty

and

reliabilities

will

void

any

unauthorized

modifications,

alterations

ог

additions

are

made.

For

replacement

purposes,

use

the

same

type

specified

type

wire

and

cable,

ensuring

that

the

positioning

the

wires

followed

(especially

for

H.V.

and

power

supply

circuits).

Use

alternative

wiring

positioning

could

result

damage

the

set

shock

fire

hazard.

The

picture

tube

used

this

monitor

employs

integral

implosion

protection

and

should

replaced

with

the

tube

the

same

type

number

for

continued

safety.

When

handling

the

CRT,

shatter-proof

goggles

must

worn

after

completely

discharging

the

high

voltage

circuit.

not

lift

the

picture

tube

the

neck.

WARNING:

BEFORE

RETURNING

THE

MONITOR

THE

CUSTOMER

PERFORM

THE

FOLLOWING

SAFETY

CHECKS

ITEMS

AND

FOR

THE

CONTINUED

SAFETY

THE

SERVICEMENT

AND

CUSTOMER.

k k

AVERTISSEMENT:

AVANT

ОЕ

RETOURNER

MONTITEUR

CLIENT,

PROCEDER

AUX

CONTROLES

SECURITE

DES

ITEMS

POUR

ASSURER

UNE

SECURITE

OPTIMUM

REPARATEUR

COMME

CLIENT.

Leakage

Current

Test:

Plug

the

power

cord

directly

into

220V

outlet.

(Do

not

use

isolation

transformer

for

this

test)

Measure

the

current

flowing

from

all

exposed

metal

parts

the

cabinet,

including

the

rear

cover,

(handle

bracket,

wooden

cabinet,

screw

heads,

video

input

terminal,

control

shaft,

etc.)

the

ground

outlet

known

ground.

(water-pipe,

conduit,

etc.)

This

leakage

test

should

performed

with

the

switch

and

repeated

with

the

switch

OFF.

The

measured

current

must

less

than

0.5

milliamp.

Any

measurements

not

within

the

limits

outlined

above

are

indicative

potential

shock

hazard

and

corrective

action

must

taken

before

returning

the

instrument

the

customer.

120V

220V

Test

Exposed

Outlet

Metal

Surfaces

Color

Display

Monitor

Leakage

Current

Insulating

Table

Tester

(Parallel

0.154F

15000)

Reading

should

not

above

0.5m

Amp.

(

волат)

Ореп

Connect

electrical

ground

outlet

other

known

outlet

Leakage

Test

Resistance

Test:

With

the

plug

removed

from

the

220VAC

outlet,

place

jumper

across

the

two

attachment

plug

prongs

except

Grounding

Pin.

Turn

the

switch

ON.

Using

ohmmeter,

connect

one

lead

the

jumped

АС

plug

and

touch

the

other

lead

each

exposed

video

input

terminal,

and

any

exposed

metal

parts.

The

resistance

measured

should

not

less

than

1.0

megohm

grater

than

5.2

megohms.

Any

resistance

value

below

above

this

range

indicates

abnormality

which

requires

corrective

action.

Repeat

the

test

with

the

switch

the

OFF

position.

Wire

Routine:

case

removing

Wire

Clamp

during

service,

make

sure

return

Clamp

and

Wiring

routes

original

positions

after

servicing.

INSTALLATION

AND

CHASSIS

PARTS

LOCATION

INSTALLATION

THIS

COLOR

MONITOR

CHASSIS

AND

INITIAL

CHECK

POINTS

When

installing

this

color

monitor’

chassis,

first

check

operation

black

and

white

telecast.

Check

and

necessary,

adjust

centering,

size,

and

locus.

Observe

the

picture

for

proper

black

and

white

reproduction

(tracking)

over

all

areas

the

screen.

objectionable

color

shading

frining

should

evident.

shading

fringing

evident,

degauss

the

monitor.

most

instances

after

installation,

technician

need

only

degauss

the

faceplate

area

and

touch-up

the

static

(center)

convergence.

CHASSIS

PARTS

LOCATION

The

degaussing

coil

should

moved

slowly

around

the

front

faceplate

the

picture

tube

and

around

the

sides

and

front

the

monitor.

The

coil

should

then

withdrawn

slowly

distance

least

six

ten

feet

before

discon-

necting

from

the

supply.

This

monitor

chassis

equipped

with

automatic

degaussing

circuit

which

effectively

demagnetizes

the

faceplate

each

time

the

monitor

switched

after

having

been

OFF

for

least

ten

minutes.

Note:

See

“SERVICE

ADJUSTMENT”

page

for

details

adjusting

procedures.

Power

ТЕККЕ

Power

Inlet

H-Size

V-Size

Sound

Input

Video

Input

Chroma

Input

Comp./LCA

Mode

RGB/Comp.

Mode

RGB

Input

V-Posi

TTUAnalog

Mode

Fig.

nis

als

H-POSI

BRIGHT

CONTRAST

COLOR

VOLUR

8203

8420

8421

8422

GREEN

1202

1602

ග්󰾮ර

৩

гс

swt

ANALOG/TTL

5уу2

59/3

9337

8306

H-SIZE

5125

VIDEO/AUDIO

Fig.

SERVICE

INSTRUCTIONS

Remove

the

nine

screws

securing

the

rear

cover

the

cabinet.

(See

Fig.

Pull

the

rear

cabinet

about

10cm

the

rear.

Remove

(pull

the

rear)

the

speaker

connection

near

the

radio

output

the

left

side

the

cabinet.

(See

Fig.

Remove

the

rear

cabinet.

Remove

solder

connection

the

black

wire

connec-

ting

CRT

grounding

and

neck

p.c.

board,

then

remove

the

neck

p.c.

board

from

the

picture

tube.

(See

Fig.

Remove

the

second

anode

cap.

Remove

the

connectors

follows:

Deflection

yoke

connector

Degaussing

coil

connector

Sound

controls

connector

Speaker

connector

Power

indicator

connector

Remove

the

two

screws

securing

the

power

switch.

Take

the

chassis

out

the

cabinet.

10.

install

the

chassis,

repeat

the

above

procedure

reverse

order.

০১1৩

Оъ

4»

Remove

Second

Anode

Cap

Remove

Speaker

Connector

Fig.

Remove

Connection

Black

Wire

бот

CRT

Ground

Fig.

Remove

the

rear

cabinet.

Repairing

main

chassis

can

done

easily,

stood

shown

Fig.

PICTURE

TUBE

REMOVAL

order

remove

replace

the

picture

tube,

the

chassis

must

first

removed.

Refer

chassis

removal

procedure.

After

the

chassis

has

been

removed,

proceed

follows.

Loosen

the

clamping

screws

the

deflection

yoke,

purity

and

static

convergence

magnet,

and

remove

them.

Remove

four

screws

securing

the

picture

tube

the

front

cabinet.

Deflection

Yoke

Bemove

Four

Screws

Purity

and

Static

Convergence

Magnet

Fig.

PRECAUTIONS

FOR

REPAIRS

Check

for

bad

contacts

connectors

the

main

board

and

elsewhere

applying

hand

pressure.

Check

power

supply

for

problems-e.g.

blown

fuse,

bad

switch

outlet.

Check

for

intermittents

defective

soldering

the

main

board

striking

the

reverse

side

the

board

gently

with

insulated

bar.

When

soldering

boards,

limit

the

soldering

iron

temperature

500°F

(200°C)

avoid

peeling

the

foil.

When

soldering

transistors

other

semiconductors,

use

tweezers

heat

sink

clip

shown

Fig.

prevent

heat

damage.

Soldering

гоп

(20

thru

40W)

Fig.

Indice

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