Samsung SVR-433 Manual de usuario

ELECTRONICS

Sarrsung

Hectronics

Co.,

Ltd.

APR.

2000

Printed

Korea

/AAC68-00806A,

TWANVWIW

JDIANSS

TET/TOEZ/

MOEZ/

BOEZ/EEZ/EED-UAS

SERVICE

Manual

For

rrecharical

disassembly

and

adjustrrent,

refer

the

“Mechanical

Manual”

(DX-9R—>

AC68-00001A).

Alignmrert

and

Ac§ustrert

Exploded

View

and

Parts

List

Bectical

Parts

List

Schematic

Diagrams

)

IMPORTANT

SERVICEGUIDE

MODE

SWITCH

(PROGRAM

SWITCH)

ASSEMBLY

POINT

When

installing

the

ass’y

full

deck

the

ain

PCB,

sure

align

the

assembly

point

mode

switch.

Fig.

HOW

ECT

THE

CASSETTE

TAPE

(If

the

unit

does

not

operate

condition

that

tape

inserted

into

housing

ass’y)

Remove

the

Holder

Worm

and

the

gear

worm

(See

Fig.

Turn

the

Gear

Worm

Wheel

counterclockwise

the

direction

arrow

with

screw

driver.

(See

Fig.

When

Slider

are

approached

the

position

unloading,

rotate

holder

Clutch

counterclockwise

after

inserting

screw

driver

the

hole

frame's

bottom

order

wind

the

unwounded

tape.

(Refer

Fig.

(If

you

rotate

Gear

orm

Wheel

continuously

when

tape

state

unwinding,

you

may

cause

tape

contamination

grease

and

tape

damage.

sure

wind

the

unwounded

tape

the

state

set

horizontally.)

Rotate

Gear

Worm

Wheel

counterclockwise

using

screw

driver

again

the

state

eject

mode

and

then

pick

out

the

tape.

(Refer

Fig.

GEAR

WORM

WHEEL

SCREW

DRIVER

iao—

HOLDER

WORM

Fig.

Precautions

sure

that

all

the

built-in

protective

devices

are

replaced.

Restore

any

missing

protective

shields.

When

reinstalling

the

chassis

and

its

assemblies,

sure

restore

all

protective

devices,

including

control

knobs

and

compartment

covers.

Make

sure

that

there

are

cabinet

openings

through

which

people--particularly

children

--might

insert

fingers

and

contact

dangerous

voltages.

Such

openings

include

the

spacing

between

the

picture

tube

and

the

cabinet

mask,

excessively

wide

cabinet

ventilation

slots,

and

improperly

fitted

back

covers.

the

measured

resistance

less

than

1.0

megohm

greater

than

5.2

megohms,

abnormality

exists

that

must

corrected

before

the

unit

returned

the

customer.

Leakage

Current

Hot

Check

(See

Fig.

1-1)

Warning

not

use

isolation

transformer

during

this

test.

Use

leakage

current

tester

metering

system

that

complies

with

American

National

Standards

Institute

(ANSI

C101.1,

Leakage

Current

for

Appliances),

and

Underwriters

Laboratories

(UL

Publication

UL1410,

59.7).

With

the

unit

completely

reassembled,

plug

the

line

cord

directly

the

power

outlet.

With

the

unit’s

switch

first

the

position

and

then

OFF,

measure

the

current

between

known

earth

ground

(metal

water

pipe,

conduit,

etc.)

and

all

exposed

metal

parts,

including

antennas,

handle

brackets,

metal

cabinets,

screwheads

and

control

shafts.

The

current

measured

should

not

exceed

0.5

milliamp.

Reverse

the

power-plug

prongs

the

outlet

and

repeat

the

test.

X-ray

Limits

The

picture

tube

designed

prohibit

X-ray

emissions.

ensure

continued

X-ray

protection,

replace

the

picture

tube

only

with

one

that

the

same

type

the

original.

Samsung

Electronics

(READING

SHOULD

NOT

ABOVE

0.5mA)

DEVICE

UNDER

TEST

[LU

TEST

ALL

EXPOSED

METER

SURFACES

2-W

IRE

CORD

ALSO

TEST

WITH

PLUG

REVERSED

aROuG

(USING

ADAPTER

ies

PLUG

REQUIRED)

Fig.

1-1

Leakage

Test

Antenna

Cold

Check

With

the

unit’s

plug

disconnected

from

the

source,

connect

electrical

jumper

across

the

two

prongs.

Connect

one

lead

the

ohmmeter

prong.

Connect

the

other

lead

the

coaxial

connector.

High

Voltage

Limit

High

voltage

must

measured

each

time

servicing

done

the

B+,

horizontal

deflection

high

voltage

circuits.

Heed

the

high

voltage

limits.

These

include

the

X-ray

protection

Specifications

Label,

and

the

Product

Safety

and

X-ray

Warning

Note

the

service

data

schematic.

Some

semiconductor

(“solid

state”)

devices

are

easily

damaged

static

electricity.

Such

components

are

called

Electrostatically

Sensitive

Devices

(ESDs);

examples

include

integrated

circuits

and

some

field-effect

transistors.

The

following

techniques

will

reduce

the

occurrence

component

damage

caused

static

electricity.

10.

Immediately

before

handling

any

semiconductor

components

assemblies,

drain

the

electrostatic

charge

from

your

body

touching

known

earth

ground.

Alternatively,

wear

discharging

Wrist-strap

device.

(Be

sure

remove

prior

applying

power--this

electric

shock

precaution.)

1-1

Precautions

11.

High

voltage

maintained

within

specified

limits

close-tolerance,

safety-related

components

and

adjustments.

the

high

voltage

exceeds

the

specified

limits,

check

each

the

special

components.

12.

Design

Alteration

Warning

Never

alter

add

the

mechanical

electrical

design

this

unit.

Example

not

add

auxiliary

audio

video

connectors.

Such

alterations

might

create

safety

hazard.

Also,

any

design

changes

additions

will

void

the

manufacturer’s

warranty.

13.

Hot

Chassis

Warning

Some

receiver

chassis

are

electrically

connected

directly

one

conductor

the

power

cord.

isolation

transformer

not

used,

these

units

may

safely

serviced

only

the

power

plug

inserted

that

the

chassis

connected

the

ground

side

the

source.

confirm

that

the

power

plug

inserted

correctly,

the

following

Using

voltmeter,

measure

the

voltage

between

the

chassis

and

known

earth

ground.

the

reading

greater

than

1.0V,

remove

the

power

plug,

reverse

its

polarity

and

reinsert.

Re-measure

the

voltage

between

the

chassis

and

ground.

14.

Some

chassis

are

designed

operate

with

volts

between

chassis

and

ground,

regardless

the

plug

polarity.

These

units

can

safely

serviced

only

isolation

transformer

inserted

between

the

receiver

and

the

power

source.

15.

Never

defeat

any

the

B+

voltage

interlocks.

not

apply

power

the

unit

(or

any

its

assemblies)

unless

all

solid-state

heat

sinks

are

correctly

installed.

16.

Always

connect

test

instrument’s

ground

lead

the

instrument

chassis

ground

before

connecting

the

positive

lead;

always

remove

the

instrument's

ground

lead

last.

17.

Observe

the

original

lead

dress,

especially

near

1-2

the

following

areas

Antenna

wiring,

sharp

edges,

and

especially

the

and

high

voltage

power

supplies.

Always

inspect

for

pinched,

out-

of-place,

frayed

wiring.

not

change

the

spacing

between

components

and

the

printed

circuit

board.

Check

the

power

cord

for

damage.

Make

sure

that

leads

and

components

not

touch

thermally

hot

parts.

18.

Picture

Tube

Implosion

Warning

The

picture

tube

this

receiver

employs

“integral

implosion”

protection.

ensure

continued

implosion

protection,

make

sure

that

the

replacement

picture

tube

the

same

the

original.

19.

not

remove,

install

handle

the

picture

tube

without

first

putting

shatterproof

goggles

equipped

with

side

shields.

Never

handle

the

picture

tube

its

neck.

Some

“in-line”

picture

tubes

are

equipped

with

permanently

attached

deflection

yoke;

not

try

remove

such

“permanently

attached”

yokes

from

the

picture

tube.

20.

Product

Safety

Notice

Some

electrical

and

mechanical

parts

have

special

safety-related

characteristics

which

might

not

obvious

from

visual

inspection.

These

safety

features

and

the

protection

they

give

might

lost

the

replacement

component

differs

from

the

original--even

the

replacement

rated

for

higher

voltage,

wattage,

etc.

Components

that

are

critical

for

safety

are

indicated

the

circuit

diagram

shading,

(A\

A\).

Use

replacement

components

that

have

the

same

ratings,

especially

for

flame

resistance

and

dielectric

strength

specifications.

replacement

part

that

does

not

have

the

same

safety

characteristics

the

original

might

create

shock,

fire

other

hazards.

Samsung

Electronics

Alignment

and

Adjustment

2-1

Reference

X-Point

(Tracking

center)

adjustment,

“Head

switching

adjustment”

and

“NVRAM

option

setting”

can

adjusted

with

remote

control.

When

replacing

the

icom

(IC601)

and

NVRAM

(IC605

;

EEPROM

)

sure

adjust

the

“Head

switching

adjustment”

and

“NVRAM

option

setting”.

When

replacing

the

cylinder

ass’y,

sure

adjust

the

“X-Point”

and

“Head

switching

adjustment”.

Among

Samsung

VCR

remote

control

used

for

adjustment

accessory,

only

the

remote

control

that

has

figures

buttons

~9)

available

for

all

adjustment

regardless

chassis.

How

adjustment.

Press

the

“SW718

(TEST)”

button

Main

PCB

set

the

adjustment

mode.

the

corresponding

adjustment

button

pressed,

the

adjustment

performed

automatically.

the

adjustment

completed,

sure

turn

the

power

off.

2-1-1

Location

adjustment

button

remote

control

EJECT

1®

@SHUTTLE@

X-Point

(Tracking

Center)

Adjustment

("5"

Button)

NVRAM

Option

Setting

("M

ENU"

Button)

Head

Switching

Adjustment

("SPEED"

Button)

STANDBY/ON

DISPLAY

CNT.RESET

SPEED

<This

type

remote

control

can

adjust.>

<This

type

remote

control

can

not

adjust.>

Remote

Control

for

adjustment

not

supplied

as a

Service

ig.

Fig.

2-1

Samsung

Electronics

2-1

Alignment

and

Adjustment

2-1-2

SW718

(TEST)

location

for

adjustment

mode

setting

Eas

heey

‘DD

heat

Desc

‘Das

one

rama

*°

bib

)

O16:

»Oin

Wir

(4:))

peas

HDD

baec

2-2

Fig.

2-2

ain

PCB

(Top

View)

Samsung

Electronics

2-2

Mechanical

Adjustment

Alignment

and

Adjustment

Note

Refer

the

Mechanical

Manual

“DX-9R

(AC68-00001A)”

for

the

adjustment

and

confirmation

ass’y

full

deck.

2-2-1

The

number

and

position

test

point

Test

point:

TP601

(Control

Pulse)

TP602

(H’D

S/W

-Trigger)

TP301

(Envelope)

TP302

(Audio

output)

TP303

(Video

output)

AUDIO

OUTPUT

TP602

1P302

A-OUT

TP301

ENVELOPE

—

HEAD

SWITCHING

Fig.

2-3

Location

Test

point

ain

PCB-Top

View)

2-2-2

ACE

Head

Position

(X-Point)

Adjustment

(See

the

2-2-1(d)

ACE

Head

Position

(X-Point)

Adjustment

page

2-2

the

Mechanical

Manual)

Playback

the

alignment

tape

(Color

bar).

Press

the

“SW718

(TEST)”

button

Main

PCB

set

the

adjustment

mode.

(See

Fig.

2-2)

Press

the

“5”

button

remote

control

then

adjustment

operated

automatically.

(See

Fig.

2-1)

Samsung

Electronics

Connect

the

CH-1

probe

TP301

(Envelope)

the

CH-2

probe

TP602

(H’D

switching

pulse)

and

then

trigger

CH-1.

Insert

the

(-)

driver

into

the

X-Point

adjustment

hole

and

adjust

that

envelope

waveform

maximum.

Turn

the

Power

off.

2-3

Alignment

and

Adjustment

2-3

Head

Switching

Point

Adjustment

Playback

the

alignment

tape.

Press

the

“SW718

(TEST)”

button

Main

PCB

set

the

adjustment

mode.

(See

Fig.

2-2)

Press

the

“SPEED”

button

remote

control

then

adjustment

operated

automatically.

(See

Fig.

2-1)

Turn

the

Power

off.

2-4

NVRAM

Option

Setting

NVRAM

Option

adjusted

production

line

basically.

case

Micom

(IC601)

and

NVRAM

(IC605

;

EEPROM)

replaced,

sure

set

the

corresponding

option

number

the

repaired

model.

(If

the

option

not

set,

the

unit

not

operated.)

Press

the

“SW718

(TEST)”

button

Main

PCB

set

the

adjustment

mode.

(See

Fig.

2-2)

Press

the

“MENU”

button

the

remote

control

about

seconds

then

option

setting

display

appeared.

(See

Fig.

2-4

and

2-5)

Select

the

option

number

(See

Table

2-1

;

Page

2-5)

corresponding

model

with

“FF”

and

“REW”

button

the

remote

control.

selecting

the

option

number

completed,

press

the

“PLAY”

button

remote

control.

(If

“PLAY”

button

pressed,

the

selected

number

changes

reversed

color.

;

See

Fig.

2-4

and

2-5)

Press

the

“OK

(VCR)”,

“MENU

(VCP)”

button

remote

control

again

store

the

option

number.

(“PLEASE

WAIT”

displayed

for

second

shown

Fig.

2-6,

2-7

and

this

setting

completed.)

Turn

the

Power

off.

OPTION

DIODE

OPTION

DIODEX*

>01

WA 03

[06

07 08

11 12

yee

1G)

00)

18 19

28 29

30 31

28 29

30 31

33 34

37 38 39

36 37 38

39 40

51 52

<>¥

CNG:

SAVE:

CNG:

SAVE:

CEM,

Fig.

2-4

(VCR)

Fig.

2-5

(VCP)

[xk

OPTION

DIODE

OPTION

DIODEKk

01>

07 08

01>

07 08

11 12

eer

Mle

18 19

28 29

37 38 39

50.5

<—

PLEASE

WAIT

PLEASE

WAIT

CNG:

SAVE:

(<<

CNG:

SAVE:

[EM

Fig.

2-6

(VCR)

Fig.

2-7

(VCP)

2-4

Samsung

Electronics

Alignment

and

Adjustment

<Table

2-1>

COUNTRY

ODELS

OPTION

NUMBER

RUSSIA

SVR-433

6, 8,

11,

12,

17,

18,

22,

25,

30,

31,

32, 35,

41,

42,

45,

50,

SVR-233

6, 8,

11,

17,

18,

22,

25,

30, 31,

32,

34,

41,

42,

45,

50,

SVR-230B

8,11,

17,

18,

22, 25, 30,

31, 32,

34, 37,

38,

41,

42,

50,

SVR-230W

8,11,

17,

18,

22, 25, 30,

31, 32,

34,

37, 38,

41,

42,

50,

SVR-2301

11,

17,

18,

22, 25, 30,

31, 32,

34,

37, 38,

42, 50,

SVR-131

8, 9,

10,

11, 17,

18,

22,

30, 31,

32,

34, 39,

42,

Samsung

Electronics

2-5

Alignment

and

Adjustment

MEMO

2-6

Samsung

Electronics

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