Goldstar Gsa-3030 User manual

Gold

Star

Audio

SERVICE

MANUAL

for

Oo

service

technician

Gold

Star

Co.,Ltd.

STEREO

AMPLIFIER

GSA-3030

Component

Series

SPECIFICATIONS

_

This

specifications

may

be

changed

for

improvement

of

perfo

rmance

without

notice.

Output

(at

foad

8Q)

.........

ee

ae

TD

ISEORTION

aracec

ii

cateccicisesttedececeseeceaeeeu

Frequency

response

(at

output

12.5W)

BOTA

RTA

E

HORE

EE

ATR

TE

HH

ERATE

KAR

HAASE

TO

BESSA

MPO

HSEE

Signal

to

noise

ratio

Phono

(at

input

level

MV)

.........

Aux

(at

input

level

500mV).........

TURGM:

PADG:.

saseescseteessenodeancessevects

Bass

(100Hz,

at

output

0.05W)

........

Treble

(10kHz,

at

output

0.05W)

.....

Loudness

(at

Vol.

-30

dB)

.....0...........

Input

sensitivity

15-40000Hz

100

Hz:

+8

dB

10

kHz:

+6

dB

Input

impedance

PONG

sessussruess

wists

tiacaxedonsunensavadavies

2.5

mV

AUX.

TUNEL,

TAPE

oo.

ececceeceeeeeee

200

mV

Inout

impedance

|

PRONG

ine

teat

teers

47

KQ

Aux,

Tuner,

Tape......

semedinepeienes

ce

350

KQ

Semi-COnductors

...sssccesceseseseseeeee

wa

IC,

317R,

20

Diode

|

1

Rectifier

FOWE?

SUBDIY:

ca

secs

deccctasceesaneedhececssses

220

V

50

Hz

Power

Consumption

........cccccccceseeseuees

140

W

ISTO

dsseticcecdins

Sareatecn

staat

5.4

Kg

-

Dimensions

...........-.

ds

ccaducnantadieeacen!

..

418(W)

x56(H)x

282(D)

mm

Printed

in

Korea

Mar,

1982

To

service

technicion

,

This

service

manual

contains

detailed

service

information

for

stereo

amplifier

Model

GSA

3030

Hiustration

of

the

model

appears

on

front

cover.

Please

give

attention

to

The

followings

are

the

safety

servicing

guidelines

for

all

audio

amplifiers

and

radi

io

receivers.

Service

work

should

be

performed

only

after

you

are

familiar

with

all

of

the

following

safety

guide.

To

do

otherwise

increases

the

risk

of

potential

hazards

and

injury

to

the

user.

|

Safety

guide

|

1.

Be

sure

that

all

components

are

positioned

in

such

a

way

to

avoid

Ey

of

adjacent

components

~

shorts.

This

is

especially

portant

on

“thiows

chassis

which

are

transported

to

and

from

the

repair

shop.

.

Always

replace

all

protective

devices

such

as

insulators

and

barriers

after

working

on

a

receiver.

3.

Check

for

frayed

insulation

on

wires

including

re

‘AC

cord.

Also

check

across

the-line

components

for

damage

and

replace

if

necessary.

:

4.

All

fuses

and

certain

resistors

and

capacitors

which

are

of

the

Hemeprootiype

n

must

be

replaced

with

exact

same

types

to

prevent

potential

fire

hazard.

5.

After

reassembly

of

the

set

always

perform

an

AC-leakage

test

on

the

exposed

metallic

parts

of

the

cabinet

such

as

the

knobs,

switch,

etc.

to

be

sure

the

set

is

safe

to

operate

without

danger

ofelectrical

shock.

: 7

NO

To

order

repair

parts

Parts

orders

must

contain:

|

1.

Model

Number-found

on

front

cover

in

this

service

manual

2.

Part

Number,

Description

and

Quantity.

CONTENTS

Schematic

diagram

..............

soos

aouchsdarediote

ig

Giprhendae

Gt

ACAD

Bae,

aide

eee

we

eons

iis

aed

ate

es

Ses

253

Electrical

parts

location

and

wiring

..........

Aisa

nt

aelnd:

tod

Bim

neanes

Get

Beene

8

de

Sahat

Sak

awh

ect

4—6

Electrical

parts

list

............000000-

ere

ee

eee

7

Parts

list

for

exploded

view.......

See

eee

ee

See

d.2

be

We

oes

ak

Ee

a

9

Exploded

view

for

cabinet

...........

Pela

aedeaat

tas

miei

nen

th

Gerace

Be

att

ee

eats

10,11

j

if

Hl

i

\

i

}

:

i

|

i

j

;

{

i

$

|

i

{

i

}

i

}

SCHEMATIC

DIAGRAM

96

©

|

mi

Aad

TR

207.

208

TR

209.

210

|

MPS

9635

R314

MPS

9635C

ur

@—~<©

©

At

vo..

pal

MPS

4

100

pate

R237

R243

1K

py

25

390K

T

!

C259

a

r

R231

C233.

C235

3

,

S80K¢

|

r

1/50

0.068

30P

‘?

|

.

!

,

A

R313

O-]

TR

20!

SS

|

S

!

10

TAPE

KTA

970-BL

680K

oO

©

hrs

C209

R209

R236

ad

:

680K

:

“es?

47/25

330

|

C254.

,

RIGHT

O

,

:

Xe)

SP

@)

taal

?

SOP

Ye

ras

Ay

PHONO

R238

CPEB

R268

O

390K

|

-

R244

IK

alt

2

—

cee

ae

|

R273

10

R242

IK

‘

TREBLE

bp

R2i3

cee

©277

300/25

>

|

SP

82K

47/25

DIO3__IN400!

RIZ9

50K

sR

+t

cl22

I5OK

100/50

7

CiOI

1/50

RiOi

8.2K

R202

KK

kB

C2I0

R2I0

4

RID

50

47/25

330

$

220K

R218

RIO2

8.2K

I2K

1/50

es

TRIO2

IN400!

10S

D

105.106.107.108

KTA

970-BL

TR204

MPS

9630K

KDS

1555

MPS

9635C

TRI04

GS

2013H

Diol

250V

1.5A

F103

KBPC

604

220V.-—s

FIO!

250V2A

I0OV

Flo2

VTG

SELECTOR

R285

TR2IS

6.8K

C267

GS

9012-1

|

By

|

:

(\/

50

|

Ree9

R283

<<

ON

HW

“%

D205

,

207

R293

R287

-

.

ox

390

C269

KDS

1555

180

TR227

3.3/50

GS

9022y

| |

D201

203.

oe

:

TR

2i!

KDS

1555

GS

9014-

|

“This

schematic

diagram

may

be

changed

for

improvement

of

performance

without

notice.

one

ELECTRICAL

PARTS

LOCATION

AND

WIRING

This

circuity

pattern

and

printing

may

be

made

a

little

of

difference

with

the

set

under

service.

When

servicing

the

set,

please

make

sure

of

it.

to

AUX

termina!

to

TUNER

terminal

to

TAPE

PLAY

terminal

L

R

a

=

q

x

ar

oo

mM

-

cz

=2

z

re

W

a

oo

Oo

=

~

S)

WS

o

°

=

qx

=

a

-

TT)

an

=

x

os

'

amar

2

20

=

--

:

za

fo)

fos:

X\

ea,

@e

OO

L

=

a

_

a

ane

_

:

,

tit

=

Oe

hag

iat

a

\

a

Ay

ih

om”

°

q

ag

Bt

»

A

ERARY

shh

AN

ee

oo

a

eer

=

oY

a

i

_

=|

Ron

>

268

leh.

Bite

oe

3

ja

i

Az

eS

TE

Coyees

&

RD

WH.

WH

RD

PRE

AMP

PWB

R

L

to.

PHONO

terminal

AY

PWB

See

oy

ch

P

TERMINAL)

(S

SNVaL

4aMOd

RD

GND

(CHEMICON

)

POWER

AMP

PWB

AY

(511-497B)

|

PRE

AMP

PWB

AY

(511-545A)

|

No.

|

SYMBOL

NO.

|IPART

NO.

ELECTRICAL

PARTS

LIST

DESCRIPTION

No.

|

SYMBOL

NO.

1

IC101

668-134A

IC

STK-463(

AUDIO)

R127

1RD182J09

R,

CARBON

FILM

1.8K-J1/4WM

2

|

TR104

661NO027A

|

TRANSISTOR

GOLD

STAR

GS-2013H

R130

RD124509

|

R,

CARBON

FILM

120k-J1/4WM

3

|

D101

1652-611A

DIODE

RECT

KBPC604

G.I.

R129,

131

RD154J09

|

R,

CARBON

FILM

150K-J1/4WM

4

|

D104

654-607D

DIODE,

ZENER,

ZPD-18,

ITT

R121,

122

RD820J09

R,

CARBON

FILM

82-J1/4WM

5

|

D105,

106,

107,

108|654N417A

|

DIODE

KECT

KDS1555

C109,

110

CCO80D06

|

C,

CERAMIC

CC

8PF-D

CH

50V

6

7

586-101A

FUSE

HOLDER

KSCLIP

TYPE

5x20

C103,

104,

129,

130

!CC471J01

C,

CERAMIC

CC470PF-J

SL

50V

7

|

F101,

102,

103,

104]

585-116B

FUSE

5x20

250V

3.15A

NR

C111,112

|

CK473Z02

|

C,

CERAMIC

CK

0.047MF-Z

50V

8

|

R125

RN101J01

R,

METAL

FILM

100-J1/2WP

C124,

125,

126,127

|CK103D03

|

C,

CERAMIC

CK

0.01

MF-D

500V

R132,

133

RS102KO7

|

R,

METAL,

OXIDE

1K-K

2WP

C105,

106

CE107D01

|

C,

ELECTROLYTIC

100MF

25V

R113,

114,

115,

116]

RSR47J01

R,

METAL

OXIDE

0.47-J1/2WP

C107,

108

CE476E01

C,

ELECTROLYTIC

47MF

35V

R117,

118

|RD4R7J09

|

R,

CARBON

FILM

4.7-J1/4WM

C101,

102

CE105F01

C,

ELECTROLYTIC

1MF

50V

R119,

120

RD10309

|

R,

CARBON

FILM

10K-J1/4WM

C113,

114,

120

CE106F01

C,

ELECTROLYTIC

10MF

50V

R105,

106

-

RD182J09

|

R,

CARBON

FILM

1.8K-J1/4WM

C119,

122

CE107F01

C,

ELECTROLYTIC

100MF

50V

R107,

108

RD102J09

|

R,CARBON

FILM

1K-J1/4WM

C123

CE478E12

|

C,

ELECTROLYTIC

4700MF-35V

R101,

102

RD822J09

|

R,

CARBON

FILM

8.2K-J1/4WM

C121

CE227B01

C,

ELECTROLYTIC

220MF

10V

R109,

110

RD332J09

|

R,

CARBON

FILM

3.3K-J1/4WM

FOR

POWER

IC

255-073A

PLATE

HEAT

SINK

R126

RD222J09

|

R,CARBON

FILM

2.2K-J1/4WM

TR101

662-025A

TRANSISTOR,

MOTOROLA,

MPS9434G

R103,

104,111,

112]RD333J09

|

R,

CARBON

FILM

33K-31/4WM

TR102,

103

662-024F

TRANSISTOR

MOTOROLA

MPS9630K

652-005A

|

DIODE

RECT

1N4001G,

|

M102

103

PART

NO.

DESCRIPTION

SYMBOL

NO.

DESCRIPTION

TR203,

204, 205,

|

662-606C

TRANSISTOR

MOTOROLA

MPS9635C

D201,

202,

203,

204}654N417A

|

DIODE

KECT

KDS1555

206,

207,

208

| |

D205,

206,

207,

208|654N417A

|

DIODE

KECT

KDS1555

TR209,

210

662-606C

TRANSISTOR

MOTORLA

MPS9635C

200

664.607D

DIODE,

ZENER,

ZPD-18

TR201,

202

665-818B

TRANSISTOR

KEC

KTA970-B8L

FUNCTION

554-6060

SW

PUSH

SUF44,

P20

TR211,212

|

661NO04D_|

TRANSISTOR

GOLDSTAR

GS90141

ae

en

emeeel

SW.

PUSH

SUF24S

C24

SH

TR215,

216,217,

|

661NO02D

|

TRANSISTOR

GOLDSTAR

GS90121

LOUDNESS

|

218,

219,

220,

221

|

VOLUME

611-615B

|

VR,

R

GM80E-100KBx2

30KO

TR222,

223.224,

|

661NO02D

|

TRANSISTOR

GOLDSTAR

GS9012I

SRLANGE

Baan

io.

aca

eNO

Ce

225,

226,213,

214

TR227

661NO26A

VR,

R.

GM7DE-100KBx2

25KQ

TREBLE,

BASS

611-612A

TRANSISTOR

GOLD

STAR

GS$-9022J

ro)

ae

2

q

Ee)

L.

©

O

S

s

|

-

n

©

if

2

=

5

oO

©

Oo.

O

a:

ofk

a

oO

+

uu

O

<

>

2

o;4e#

oOo

=

~»H

DO

—

6

:

5

©

O|/<a

«

cf

|7/3

8

a

ras

eis

©

=>

wo

e

N

we

wu

8s

|S

&

S

B

Oo

=?

ae

me

|

LL

Oo

QO

:

+

lO

©

GO

mo

CO

O

os

a

moO

c

x

£8

Lu

%

©

wo

.

cc

So

Oo

2e

Oo

8

2i|

Zz

~

8s

Oo),

ow

-

O

6

Pe

zZze2

~”

or

a.

OV

~-

_—

4

fc

or

zz

a

mal

o

2

uw

-

O

”

oS

8

ae

Ww

oo

+

a

=,

oO

uw

©

oc

co

7

OO

Q

®O

q

zz

<

a

6

a“

”

re:

os

S

g¢<cdc

2

el

Sad

mh

a

c

Om

M4

2

4

ee

nee

n

©

Oo.

NN

AN

+

5

©

rer

Cc

ee

i

a

MZ/1L-O@Z

AQIXO

IW

LAW

‘yy

AGC

AWLY

DILATOYL93913

‘D9

JAY

dHZLEN1

IVWNOILVN

qan

AG?

AWOZZ

DILATOYL935145

‘9

AGC-AWLY

DILATOYLIAN13

‘OD

~A0G

AWZC'0

DILATOYL9314

‘9

AQL-AWOL

DILATOWL9I3143

‘9D

AOS

AWE'E

DILATOWLOIN1]

DO

AQG

AWL

OILATOY¥

194914

9

AOS

AW!

DILATOWL9374

9

AOS

f-4W890'0

H31S370d

‘9

AOG

1S

4-4d089

9D

DINVH3AD

‘DO

AQG

f-AWEEO'O

YSLSAA

10d

‘9

AOS

fr-AWGLO'O

H3LSAA10d

‘9

AOG

W-SAWEE00'0

HALSSATOd

‘9

AOG

fF-AWLOO'O

H3LS3A10d

‘9

AOG

f-AWZt0'(

HS1S3A10d

‘D

AOS

1S

f-4d0ZZ

9D

DINVH3D

‘9

O=dN

f-4dZZ

9D

DINVY

39

‘DO

AQG

HO

f-4d0€

90

DINVHAD'D

W-AWLZ0'0

W1I4

Y3LS3A10d

‘9

WMvb/Lt-O6€

W1I4d

NOGYV9

‘dy

dMr/LP

AL

Wild

NOSYVO'HY

YMb/L

FAS?

WIIA-NOGHYV)

'H

WMb/Le-OL

WIS

NOG8VO

‘HX

WMb/LP-xO0SL

WIS

NO@YVO‘dY

WMb/L-WL

7

W1Id

NOSYVO'Y

MOVES

IG.

pee

v

co

LL

ow

x

ae

Oo

ce

=>e

=s

im

oc

OO

nn

ac

a)

©

o

Od

rage

=e

KOO

naw

ds

co

O

Zz

ty

YW

cn

w

o

=>

w

O

2

Seo

Paw

a=

Z

qf

>

w

Ow

I<q{d

<

oOo

o

~OoOoO-

NO

OD

©

ots

~

@O

CoO

@W

NO

FO

st

10

OR

LOQSZV39

VLOV-ES9

LOGL2Z39

LOQ9LV3AD

LOAVCCAD

LOO901LA9D

LOAGEEAO

LOASOLSD

LOASOLAO

LOPes909

LOM

18999

LOreeeoo

LOPEGLOO

LOWZEEDD

LOfZOLOD

LOPELvOo

LOrLZZ99

90r0zzo0

90r00E09

GUIDE,

PUSH

S/W

4

POWER

TRANS

(220V)

WASHER,

SPRING-4

NUT,

NHA-4

641-642F

WSB22000

NHA22004J

4)

42

43

FELT,

CABINET

KNOB,

POWER

KNOB,

PUSH

©

SCREW,

MRC+3x6

SCREW,

MCC+3x6

384615A

472-604B

273-309A

273-639B

8

9

10

11

12

13

14

15

OLVOIONI

13A31

C82

8LZ

‘'LLT

'LLTZO

‘'GLZ

‘OLS

‘60ZD

OLZ

‘692

‘892

‘L9ZD

vGZ

‘EST

“BET

“LETO

9LZ

‘997

“G97

797

‘LGZ

‘097

‘0SZD

GLZ

‘BLZ

LLTZ

90Z

‘G0

‘70%

‘E079

Bre

“LVZ

LOWELZOD

|

60rl6EauY

cOrGzyay}

ZOrZzZC

60r00L

GY

60rrSLau

60rsZvauy

ON

LuVd

CLE

CUSHION,

TRANS

‘EL

‘ELEY

BRACKET,

FUSE

HOLDER

PLATE,

HEATSINK

HOLDER

AY,

LAMP

447-602K

255-073B

321-267A

583-008A

44

45

46

47

CHASSIS,

BODY

MRC1830J

MCC1830J

313-646A

221-618B

AOVE

LOfLCCSY|

ANOHdQVAH

HOS

O8Z

‘6479

L8Z

‘OLZ

8GZ

‘LSZ9

VEZ

‘EET

ve

‘LvZO

'Ovz

‘GZO

cle

"1129

vlZ‘ELZO

0SZ

‘6vZ9

bye

‘vz

80z

‘L0Z9

9GZ

'SGZD

9EZ

‘GET

OQvz

'6EZD

88Z

‘L8ZH

LOY

LOEY

OZE

‘6LEY

c9CU

‘ON

IOSWAS

48

4

COVER,

HIMELON

BRACKET

321-7194.

9

PUSH

S/W

U

6

1

=

us

S

¥

5

w

»

Ou

mo

_

Tes

<L

G

a

oO

kb

a

©

py,

tle

YS.

=

pa.

ca

2)

-

J

oJ

Tae

ae

ee

Oo

Ss

oO

ce

Oo

Of.

Og

cc

ca

?r>x

>t

ors

QO

OOnt

£

O

sm

2d

tteue-

89AV*S5EF,

i

Oe.

OO

ee

Oe

ee

Su

ww

we2eet

bashaZzs

ae

x

F236

S>saOreaY

Sn

BOS

Ore

OOnro0o¢a

Be

@n

bh

20S

a

THNDNNHNAUHnNOON

Gq

y

Sqddq

agcdtF®Sao

J

c

93H

HOESNGOHK

Ho

HEOBSROR

ON

OM

ost

<=

1:

18

oO

OgmMmtWga

One

2

Oa

2a

eG

BOO

oS

Comp

Pk

PTEHRSs

SBYTBELLB

SNnac

56

5286

BS

oN

mSrnom

=

Te)

™

Or

NO

FT

Sh

Sb

BSEBHKEEBKBBSEGSS

am.

LW

QO

Lu

3

5

:

"

Ww

Ke)

>

aes

aay

0

Ze

ae

.

26%

w

Pou

ow

a

Pass

a

at

OsUYtgnrVG20

Ga

o

&

c=~ti-wowuEFt¢q

.c

>

uw

ere

Ssere2zu

ge

met

=e

Se

Uw

OFS

=

es

=v

a

owoaortryriyvy®w

i

O

xO

CPA

ee

ty

Oe

oo

<

a

Cy

OO:

ie

SD

OOO

O

a

DT

a

YOoraunnnaAa7,rt

nV

vy

©

nn

SaqacadtnSaeaes

3a

Qa

<

a

i)

0H

On

OW

-—

wo

O

a

LON

28

Go

eo

Se

WN

oma

aoPFFTRFLQOOEYVGE|

of

Oo

oO

rcnNaononNfRee

EF

Q

8

FNMA

MDONONM

SWMONE

es)

OO

NOMROrNM

tT

NOR

DADO-AM

-e|ere

—-ANWNWANNNNANAN

HOY

WMb/Le

AWOL

Wid

NOSYVO'Y

WMb/LP-

1089

W1Isd

NO@Y¥VO'Y

WMvb/Le-O0L7

Wid

NOSGYV9'Y

WMbt/Lf-AO6E

W1Id

NOSYVO'Y

WMb/Lt-407?

WIS

NOSYVO'"

cOrsoldau

60rvs9duy

60rvdvau

60Frv6EQY

60fvccdy

QVC

‘STUY

BLE

LLE

YET

‘GETY

VETS

“EET

BETZ

‘LETH

OLE

"GLE

‘782

L87y

OZZ

‘6LZ

TLS

'LLS

“vO?

‘€OSY

vLZ‘ELSH

—

9GZ

‘STH

O62

‘6872

‘vZZ'ETTZHY

902

‘GOH

vLey

22C

LETH

8GZ

‘LGCY

ZLZ‘LLTHY

vGZ

'EGZ

‘BLZ'LLZY

v8Z

‘E87

‘Ove

‘BETH

092

‘6GZY

982

'S8ZH

OLZ

‘697

‘ZET

‘LETH

OGZ

‘6vZ

‘87

‘LbZH

QOL?

‘GLZ

‘897

‘19TH

80Z

‘ZLOTY

Z6Z

L6ZY

Q0€

‘GOS

‘VOE

‘SOE

‘ZOE

LOEY

OQOE

‘667

‘86Z

‘167

‘967

‘S6ZH

pOZ

‘E97

‘vhTH

|

Ev

‘THe

‘Lye

‘9ZZ

‘ZZ

‘ZOZ

‘LOH

99Z

‘GOTH

v6C

'E6TH

|

Olz

“60Z4

Noa

‘ON

LYWd

"ON

TOSINAS

beet

WMb/Lf-407Z

WAI

NOSYV9‘Y

WMt/Lf-xZ8

WII

NOSYVO'Y

M¢/L

PLZZ

W114

NOSYV9'Y

WMt/Lf-OOL

Wid

NOSYV9

‘XY

WMt/L

489

Wild

NOSYVo'Y

YMb/L

f-OOL

WHS

NOSYVO‘'Y

WMt/LP-x8L

WII

NOSYV9‘Y

WMb/LP-AZ

8

WA

NOSYVO'Y

WMb/Lf-089

WII4a

NOSYVO'Y

WMt/LP-ZL

WII

NOSHYV9

‘HY

WMpb/LP-OL

Wats

NOSYVO'HY

WMb/LP-AxGL

Wa

NOSYVO

‘ds

WMv/b-318°9

W1Is

NOSYW9

‘8

WM?/LP

AL

Wd

NOSYVO'Y

WMb/L

P78

Wd

NOSHVO'Y

WMb/Le-A6'E

W1Id

NOGYHVO

‘XY

WMb/LE-Z'7

WH

NOSHVO

‘XY

ZOP

WMb/1L-8'L

WIS

NOSYVO

‘XY

60rvzzau

60rezsau

60reZZGY

60rrOL

GY

eores9ay

ZOrLOLaH

60reglay

-

60rzzsay|

60r

lg9du

60rez

lay

60re0Lay

60reSlL

ay

60rz890y

60°ZZvaHy

ZOrZZ80Y

60rz6eau

60rZzzay

ZOrZ8L

Cu

YMb/LE

AL

AW

WA-NOSYVO

‘Y

cOrcolauy

YMb/L

PAL

AW

TIA-NOGHVO

'Y

WMb/LeaL

WIS

NOSYVO'"

cOrczolay

60rcOLGu

WMb/LP-L

W014

NOSYVO

‘HY

WMb/Lf-09S

WHI4

NOSYV2

‘4

WMb/Lf-O8L

WI

NO@YV2

‘Y

WMb/LP-OS€

Wid

NOSHV9‘H

60rcolau

60FL9OSCY

60fFl8lau

6O0rlLEEaY

EXPLODED

VIEW

FOR

CABINET

ST

=

Goldstar GSA-3030 User manual

Popular Amplifier manuals by other brands