LG GoldStar TSR-940 Bedienungsanleitung

Inhaltsverzeichnis

Andere LG Kassettenspieler Handbücher

LG

LG LPC-LM340A/X Bedienungsanleitung

LG

LG LPC-LM530A Bedienungsanleitung

LG

LG LPC-M155X Bedienungsanleitung

LG

LG LPC-140A Bedienungsanleitung

LG

LG GoldStar GSW-9320 Bedienungsanleitung

LG

LG LPC53 Bedienungsanleitung

LG

LG LPC14 Bedienungsanleitung

LG

LG LPC-M155X Bedienungsanleitung

LG

LG TCC-9510 Bedienungsanleitung

LG

LG LPC-130A Bedienungsanleitung

LG

LG LPC-M140 Bedienungsanleitung

LG

LG V271-W1Z Bedienungsanleitung

LG

LG LPC12W Bedienungsanleitung

LG

LG LPC-M150A Bedienungsanleitung

LG

LG LPC54 Bedienungsanleitung

LG

LG LPC53 Bedienungsanleitung

LG

LG GoldStar TSR-580 Bedienungsanleitung

Beliebte Kassettenspieler Handbücher anderer Marken

Aiwa

Aiwa TP-VS535 Bedienungsanleitung

Philips

Philips AW 7300 Bedienungsanleitung

Philips

Philips Video Cassette Recorder Bedienungsanleitung

Yamaha

Yamaha MT8X Bedienungsanleitung

Sherwood

Sherwood Newcastle D-480 Bedienungsanleitung

Manta

Manta MA408 Bedienungsanleitung

GPO

GPO W0162B Bedienungsanleitung

Sony

Sony HST-471 Bedienungsanleitung

Sharp

Sharp JC-AV1 Bedienungsanleitung

Pioneer

Pioneer CT-W103 Bedienungsanleitung

Aiwa

Aiwa HS-JX899 Bedienungsanleitung

Sony

Sony TC-K615S Bedienungsanleitung

Sony

Sony CFS-B15 - Am/fm Stereo Cassette Recorder Bedienungsanleitung

Sony

Sony WMFS220 - Portable Sports AM/FM Cassette... Bedienungsanleitung

Aiwa

Aiwa HS-TA21 Bedienungsanleitung

Sanyo

Sanyo MCD-ZX700F Bedienungsanleitung

Aiwa

Aiwa CS-P77 Bedienungsanleitung

Sony

Sony Pressman TCM-465V Bedienungsanleitung

z

GoldStar

-

4

BAND

STEREO

CASSETTE

RECORDER

MODEL

TSR-940

(MW/LW/SW/FM)

ted

in

Korea

Nov./

1985

oe

CONTENTS

SPECIFICATIONS?

wc.

di

cyovcndx

vkidewsteantee

tees

foe

tend

ieh

ded

Myaheuedeed

ined

porn

aialalagin

igs

yaa

Tae

meyer

ET

eas

3

DIAL

CORD

STRINGING

.....cccccccecceceencce

cece

ence

ener

e

re

EEE

EE

EEE

EEE

EE

re

EEE

CEES

ET

nS

EEE

REET

5

BUOCK

DIAGRAM.

Seccess

Meee

eines

aonb

te

tennscite

cat

Seely

pavay

Sect

aad

areeey

Ghee

Mesh

tetany

ay

aoe

Mea

ear

ie

a:

6

ALIGNMENT

INSTRUCTIONS.

.......ccccccee

cece

cece

t

eee nee

nena

eee

e

eter

centre

err

isen

erect

riers

7

TEST

EQUIPMENT

CONNECTIONS

000.00.

.c.ccc

cee cee

eee

ene

ere

rr

ren

ners

srr

res

1

STANDAND

MAINTENANCE

.......0cccccccec

cece

ene

SnD

E

rE

erent

errr

renner

err

err

cerns

12

P.C.

BOARD

ASSEMBLY

(COMPONENTS

SIDE)

.............:0

cece

reece

rrr

rere

sceneries

3

WIRING

DIAGRAM

.........ccccc

cece

eee

eee

e

ener

ene

entree

trent

e

renee!

ital

iia

at

henson

eats

ne

bacnestaaa

ght

ea

neen

cet

setae

aN

15

EXPLODED

VIEW

OF

CABINET

.......ccccccecce

cece

eee

enn

EERE

EEE

EEE

EEE

EEE

EERE

EE

Eas

16

EXPLODED

VIEW

OF

DECK

MECHANISM

..........0.0c

cece

cece

e

ete

renee

enna

r

enna

green

esc

e

cent

7

ELECTRICAL

PARTS.

LIST.

a

vencgsvposucih

anddevhan

ducks

clhyinspewain

Sgrccded

Ls

abe

weteadpadand

evens

Meh,

Pee

nhdage

tenet

deta

ee

ene

eng

9

MECHANICAL

PARTS

LIST

o.....ccccccc

cece

cece

nee

een

EEE

EEE

EEE

EEE

EEE

EEE

EECA

EEE

ET

21

TRANSISTOR

LEAD

IDENTIFICATION

AND

IC

INTERNAL

DIAGRAM

...........:

ec

c

ee

ere

et

ene

t

eens

24

SCHEMATIC

DIAGRAM

OF

RF

UNIT

........cc

ccc

cece

ere

ree

renner

rrr

rrr

e

rere

rrn

ese

eereren

rene

26

SCHEMATIC

DIAGRAM

OF

MAIN

UNIT

.......c

cece

cee

nn

rn

rer

rere

orice

resseeeeners

ees

27

PRODUCT

SAFETY

NOTICE

Many

electrical

and

mechanical

parts

in

this

chassis

have

special

safety-related

features,

which

cannot

necessarily

be

assured

by

using

replacement

components

rated

for

higher

voltage,

wattage,

etc.

Replacement

parts

which

have

these

special

safety

features

are

identified

in

this

manual,

by

a

L\in

the

schematic

diagram

and

the

parts

list.

Before

replacimg

any

of

these

components,

read

the

parts

list

in

this

manual

carefully.

The

use

of

substitude

replacement

parts

which

donot

have

the

same

safety

characteristics

as

specified

in

the

parts

list

may

create

shock,

fire

or

other

hazards.

General

Performance

Specifications

SPECIFICATIONS

Item

Specifications

|

o

Band:

FM/MW/LW/SW

o

DNR

(Dynamic

Noise

Reduction)

o

4

track

2

channel

stereo,

Auto

reverse

1.

Feature

o

5

band

graphic

equalizer

0

6

dot

level

indicator

o

Mic

mixing

o

2

way

4

speaker:

Woofer

5’’

4

onm

x

2

Tweeter,

piezo

x

2

2.

Power

o

DC:

‘D’’

cell

x

9

(13.5V)

Supply

0

AC:

110/220V,

50/60Hz

(option)

‘

re

FM,

SW:

Rod

antenna

;

|

mene

MW,

LW:

Ferrite

bar

antenna

(built-in)

o

Mic

mixing:

@3.5

o

Headphone:

@3.5

4.

Jack

o

Ext,

Speaker:

3.5

x

2

(L,

R)

o

Line/Phono

In:

RCA

pin

jack

x

2

o

Line

out:

RCA

pin

jack

x

2

MW

Performance

Specifications

Item

Tost

Fred

Unit

Limit

Nominal

Test

Condition

(kHz)

1.

[Frequency

range

525%1605

|

515~1650

2.|Intermediate

frequency

kHz

——a

455

or

465

coo

[a]

54

a;

Nsabialsersitiny

ro00

[aa]

sa

|

1400

|

ap]

54

t—

foo

4.

[SN

ratio

1000

dB

36

74

dB

input,

30%

mod

5.|1.F.

rejection

ratio

600,

1400

|

dB

30

6.

{Image

rejection

ratio

600,

1400

|

dB

30

—_

7.

|

Selectivity

1000

dB

20

AC,

i

4dB

%),

8.|10%

T.H.D.

power

output

|1000,1400;/mw]|

4/3.5

5/4

Ee

ee

Pa

Leer

vena

400

Hz

9.]T.H.D.

1000,

1400|

%

5

es

10.

|

Audio

response

1000

kHz

2.0

1

kHz:

O

dB,

—6

dB

point

LW

Performance

Specifications

T

a

i

Item

‘h

Tipst

ited

Limit

Nominal

Test

Condition

+

1

_|

Frequency

range

140~%360

4

65

2.|

Usable

sensitivity

65

65

3.|S/N

ratio

30

Input

74

dB,

30%

mod,

400

Hz

excels

|

Mee

4.|I.F.

rejection

ratio

26

4

{———___

5.|

Image

rejection

ratio

26

SW

Performance

Specifications.

Test

Freq.

it]

Item

sekried

Unit

Limit

Nominal

Test

Condition

(MHz)

=

mp

|

accede

1.|Frequency

range

L

618

5.7~18.5

.

6.5

45

2.|

Usable

sensitivity

45

.|

S/N

ratio

Input

6O0.dB,30%

mod,

400

Hz

.|

mage

rejection

ratio

FM

Performance

Specifications

At

max

sensitivity

Item

Test

ied

Nominal

Test

Condition

(MHz)

1.

Frequency

range

IMHz]87.5~108|87.35~1

08.25

2

.\Intermediate

frequency

ai

MHz

10.7 10.7

an

90

dB 18

3.|Usable

sensitivity

98

dB

18

106

fab]

18

|

4

|SIN

ratio

98

38

46

50

Aerie

a

eo

eae

=e

—

5

jI.F.

rejection

ratio

90,

98

dB

60

6

.|Image

rejection

ratio

90,98,106]

dB

26

30

|

|

7

|10%

T.H.D.

power

output}

98

|mw|

4/3.5

5/4

[too

He

EY

OO

INBEL

a

INe

OMe

8

.JT.H.D.

98

%

Input

60

dB,

22.5

kHzdev.,

400

Hz

|

es

caeueaanee

&

OOH27|

98.

|

dB

|Pre-amp

5OuS,

input

60

cB,

10

kHz

98

dB

+

22.5

kHz

dev.,

1

kHz:0

dB

lo.

Stereo

separation

Tt

98

dB

__

froo

Hz,

1

kHz,

10

kHz

Tape

Performance

Specifications

Item

Test

Tape

Test

Condition

Tape

speed

MTT-111

F.F.

C-6

C-60

tape

Winding

time

a

P

Rew

C-60

JIS-WRMS

1

kHz:

O

dB

MTT-111

MTT-216

MTT-316

MTT-118

Wow

&

flutter

Freq.

response

Normal

(Play)

|

CrO,

Play

|

Rec

input

(1

kHz),

Din

1

mV/K

Distortion

Rec/Play

|

Normal

MTT-112

DC/AC,

Rec

Input

(1

kHz),

Din

1

mV/K

Play

Rec/Play

|

MTT-502

Output

{10%

THD)

Track

MTT-121

With

1

kHz

BPF

MTT-141

With

1

kHz

BPF

MTT-502

Note:

Nominal

specs

represent

the

design

specs:

all

units

should

be

able

to

approximate

these-some

will

exceed

and

some

may

drop

slightly

below

these

specs.

Limit

specs

represent

the

absolute

worst

condition

which

still

might

be

considered

ac-

ceptable:

in

no

case

should

a

unit

perform

to

less

than

within

any

limit

spec.

Cross

talk

Ts

Channel

8.

|

Erase

ratio

Azimuth

alignment

DIAL

CORD

STRINGING

ROLLER

TUNING

SHAFT

POINTER

ROLLER

Figure

1.

Set

the

tuning

capacitor

to

minimum

frequency

and

string

the

cord

following

the

numbers

in

figure

1.

ae

BLOCK

DIAGRAM

434908

d

2

3NOHd

OVSH

BAsdOOM

Ho—

4/7

Y3L345ML

HO

~ay4

QQ

L/d

ga

3SYy3Aa8

ga7

OM4

Lil

Ag‘e1

90

I

e

‘

/

@)

YyO.1LV1NOSY

SJOVLIOA

MOLOW

SZZHL

2049

aqv3H

asva3

svig

J

yolvinosy

MS

934

oll

9So0

934

8082

19

O_O

Ibe

YL

MS

43V371

nen

dval

10¢

1011

svig

LK

HOLIMS

d/¥

Qv3H

d/d

“v2

HO—

4/7

da7

Nollvaado

dwy

02

/d

e2l'eze

‘222

e1Ze

Veleh

a3a1is

20¢a

xf

Ws

Nee

sora

G31

aha

‘gle

10v

UL

piz‘er2

wb

e2vlat

sozol

dwy

XIW

ZOLNOL

YL

wove

ONI

XI

Baul

wove

NIC

ava

BA

03

OIHdvyo

03

ONOHd

d9ZZSn

o9ievt

Ni

ONOHd

zs9

‘20991

zzzivy

zZol

HO

—U/7

ZOSUA

1OZUA

oso

MS

M1

MW

ANV

MS

41

MW

Xdw

W4

\92e2un

€ot

dl

Wv/Wa

orolvwl

2ol

dl

ws

O-WLOSE

OLY

lal

dwy

3yu

W4

esezvi

1

Ol

INV

dou

Wd

ALIGNMENT

INSTRUCTIONS

EQUIPMENT

NEEDED

1.

2:

33

4.

bi:

6.

ie

8.

IMPORTANT

Ve

2:

3.

4.

Bs

6.

TEST

AND

ADJUSTMENT

POINTS

AM

Signai

Generator

FM

Signal

Generator

IF

Sweep

Generator

with

marker

capabilities

FM

Stereo

Signal

Generator

Oscilloscope

Output

Meter

(VTVM)

Frequency

Counter

Nonmetallic

Alignment

Tools

Check

power-source

voltage.

Set

the

function

switch

to

band

being

aligned.

Turn

volume

control

to

minimum

unless

otherwise

noted.

Connect

low

side

of

signal

source

and

output

indicator

to

chassis

ground

unless

otherwise

specified.

Keep

the

signal

input

as

low

as

possible

to

avoid

AGC

and

AFC

action.

Standard

modulation

is

400Hz

at

30%

for

AM.

(40OHz

at

22.5kHz

deviation

for

FM).

DNR

ADJ.

POINT

Ca

ANT

(2)

TC6

YN

L5

(pr)

SW

ANT

(2)

mwosc

_MW

ant{@)

il

NS,

omy

£2

OCS]

L202

Case

(ru

OSC

TC4

DNR

ADI.

7

ons

MW

OSC

VN

1c?

Ce}

orcil

Ke)

[2

FM

ANT

LW

4

58cL

FM

OSG

Ce

ae

AM

ANT

swosc

°°

T2

wa

wa

amie

yy)

FM

IF

L101

L301

13

BIAS

TRAP

AM

IF

Ta

7)

EM

IF

BS

L201

BIAS

FREQ.

a7

&

19kHz

ADJ.

MAIN

P.C.

BOARD

MW

Section

Circul

,

G

ato

:

ly

Equipment

Connection

loo

Dial

Setting

Adjustment

Alignment

Frequency

Connect

input

of

IF

465kHz

Tuning

gang

T2,

T3

(AM

IFT)

Genescope

to

C25

(+),

(400Hz

Mod.)

fully

closed

Adjust

for

maximum

IF

output

to

AM

Ant

Coil

output.

through

the

dummy.

Repeat

until

no

(Figure

2)

further

improvement

can

be

made.

AM

Signal

Generator

515

kHz

Tuning

gang

L5

(MW

OSC.

Coll).

with

loop

antenna

(400

Hz

Mod.)

fully

closed

Adjust

for

maximum

Output

Meter

(VTVM)

output.

Band

across

4

ohm

load

1650

kHz

Tuning

gang

|

TC4

(MW

OSC,

Trimmer).

(Figure

3)

(400

Hz

Mod.)

fully

open

Adjust

for

maximum

output.

Repeat

steps

3

&

4

AM

Signal

Generator

600

kHz

Tune

to

L3

(MW

Ant.

Coil).

with

loop

antenna

(400

Hz

Mod.)

signal

Adjust

coil

on

ferrite

Output

Meter

(VTVM)

core

for

maximum.

Tracking

across

4

ohm

load

F

MW

:

(Figure

3)

1400

kHz

Tune

to

thes

:

ne

eeu

(400

Hz

Mod.)

|

signal

bhi

:

output.

Repeat

steps

6

&

7

several

times.

Dial

Setting

[

Adjustment

Tuning

gang

fully

closed

L6

(LW

OSC.

Coil).

Adjust

for

coif

on

ferrite

core.

Tuning

gang

fully

open

TC7

(LW

OSC.

Trimmer).

Adjust

for

maximum

output.

LW

Section

oe

Equipment

Connection

Bene

Alignment

ae

Frequency

AM

Signal

Generator

140

kHz

with

loop

antenna

(400

Hz

Mod.)

Output

Meter

(VTVM)

Band

across

4

ohm

load

360

kHz

Miguleg!

(400

Hz

Mod.)

AM

Signal

Generator

with

loop

antenna

160

kHz

Output

Meter

(VTVM)

Tracking

across

4

ohm

load

(Figure

3)

330

kHz

Repeat

steps

1

&

2

Tune

to

L3

(LW

Ant.

Coil).

signal

Adjust

for

maximum

output.

Tune

to

TCS

(LW

Ant.

Trimmer).

signal

Adjust

for

maxirmum

output.

Repeat

steps4

&

5

several

times,

SW

Section

Circuit

:

:

Generator

.

: ‘

‘Aiagiment

Equipment

Connection

Frequency

Dial

Setting

Adjustment

AM

Signal

Generator

5.7

MHz

Tuning

gang

L7

(SW

OSC.

Coil).

to

antenna

terminals

(400

Hz

Mod.)

fully

closed

Adjust

for

maximum

through

SW

dummy

output.

Band

matching

network

18.5

MHz

Tuning

gang

|

TC8

(SW

OSC.

Trimmer).

Output

Meter

(VTVM}

(400

Hz

Mod.)

fully

open

Adjust

for

maximum

across

4

ohm

load

output.

(Figure

5)

}—

Repeat

steps

1

&

2

AM

Signal

Generator

Turn

to

L4

(SW

Ant.

Coil)

to

antenna

terminals

6.5

MHz

signal

Adjust

for

maximum

through

SW

dummy

output.

Tracking

matching

network

TC6

(SW

Ant.

Trimmer)

|

+

.

Output

Meter

(VTVM)

16

MHz

reg

Adjust

for

maximum

across

4

ohm

load

g

output.

(Figure

5)

i

Repeat

steps

4

&

5

several

times.

FM

Section

Circui

G

at

;

‘

;

peur

Equipment

Connection

Step

pied

Dial

Setting

Adjustment

Alignment

Frequency

Connect

input

of

10.7

MHz

Tuning

gang

T1,

T4

(FM

IFT).

IF

Genescope

to

C25

(+),

fully

closed

Adjust

for

maximumn

output

to

the

body

1

symmetrical

resporse

IF

of

ICI

through

(10.7

MHz

at

the

the

dummy.

center

point)

FM

Signal

Generator

87.35

MHz

Tuning

gang

L2

(FM

OSC,

Coil).

to

antenna

terminals

3

(400Hz

Mod.)

fully

closed

Adjust

for

maximun

through

75

ohm

output

.

—

Band

antenna

matching

108.25

MHz

Tuning

gang

|

TC2

(FM

OSC.

Trimmer).

network,

Output

4

(400

Hz

Mod.)

|

fully

open

Adjust

for

maximun

Meter

(VTVM)

across

:

output

4

ohm

load

|

(Figure

6)

5

Repeat

steps

3

&

4

several

times.

90

MHz

Tune

io

L1

(FM

Ant.

Coil)

FM

Signal

Generator

6

(400

Hz

Mod.)

signal

Adjust

for

maximun

to

antenna

terminals

Ouiput.

through

75

ohm

106

MHz

Tune

to

TC1

(FM

Ant.

Trimner).

Tracking

antenna

matching

7

(400

Hz

Mod.)

signal

Adjust

for

maximur

8

network,

Output

Meter

(VTVM)

across

4

ohm

load

(Figure

6)

Output.

Repeat

steps

6

&

7

to

obtain

suitable

sensitivity

at

90

Miz

and

106

MHz

FM

MPX

ies

Equipment

Connection

Boperal

Dial

Setting

Adjustment

Alignment

Frequency

FM

Stereo

Generator

First

make

sure

FM

composite

out

connected

section

properly

to

Ext.

Mod

of

FM

aligned.

Signal

Generator

19

kHz

FM

Signal

Generator

to

Adjust

RV1

for

antenna

terminals

98

MHz

Frequency

Counter

matching

75

ohm

indicates

19

kHz.

antenna

matching

98

MHz

network

Frequency

Counter

across

TP2

(Pin

No.

12

of

IC3)

(Figure

7)

AZIMUTH

ADJUSTMENT

(Foward,

Rewind)

VTVM

ee

SP

Jack

ce

ae

oe

ee

Freq.

Counter

|

R133

()

Erase

C335

oe

VTVM

—10—

Adjustment

Input

Adjust

for

Azimuth

Adjusting

screw

(2

each)

MTT-114

(10

kHz)

Maximum

Adjust

for

|

Adjustment

|

Input

|

No

Signal

61

kHz+0.2

kHz!

L201

NOTE:

RIF

SW

‘'l’’

position

|

Input

Adjust

for

|

Adjustment

:

fa

L:

L101

N

|

oO

signa

|

Minimum

R

-

L301

NOTE:

RIF

SW

‘‘l’’

position

Tape

SW

"'Metal’’

position