Technics Sh-8075 User manual

|

\*

i

The

Bleek.

type

model

is

‘indicated

by

(K)

in

the

Service

Manual.

The

colors

of

this

model

|

1S

black

type

only.

"Naseperoctumsateleotinmnctoaity

cman

a

peta

in

ss

He

aces

Specifications

(DIN

45

500)

Frequency

response

(center

position)

Maximum

output

voltage

Rated

output

voltage

Rated

total

harmonic

distortion

Input

sensitivity

Signal-to-noise

ratio

Maximum

input

voltage

input

impedance

Output

impedance

Gain

Channel

balance

250

Hz~6300

Hz

Channel

separation

1

kHz

Band

level

controis

>5

HZ~100

kHz,

—1

dB

>8V

(1

kHz,

THD

0.01%)

(LOW

LEVEL

150

mV)

ames

>

0.001%

(20

Hz~20

kHz)

a

110

dB

(120

dB,

IHF

‘A)/2

V

104

dB

(114

dB,

IHF

’A)/1

V

8

V

(1

kHz)

(LOW

LEVEL

150

mv)

>

47

kQ

>

600Q

>O0+1dB

=+0:506

:70dB

+12dB~-12dB

Stereo

Graphic

Equalizer

Specifications

are

subject

to

change

without

notice

for

further

improvement.

Weights

and

dimensions

shown

are

approximate.

Center

frequency

ORDER

NO.

SD83072619C2

Areas

|,

[EH],

[EB],

*

EK]

is

cAvailieal

in

United

Kingdo

*

[EF]

is

available

in

France.

*{EH]

is

available

in

Holland.

*

(EB)

is

available

in

Belgium.

x

[EGA]

iS

available

in

F,

R.

Germ

an

a

TOA

202.

25

AZ

OV

oases

40

Hz,

50

Hz,

63-H2,:80:

Hz,

100:HZ,.125

Hz,

160

Hz,

200

Hz,

250

Hz.375-Hz,

400

Hz,.500

Hz,

630

Hz,

800

Hz,

1

KHz,

1.25

kHz,

16

KHz,

2

kHz;

2.5

KHZ,

3.15

kHz,

4

kHz,

5

KHz,

6.3

KHz,

8

KHz,

10

kHz,

12.5

KHz,

16

KHz,

20

kHz,

25

KHz

Variable

equalizer

Center-frequency

controls

(variable)

>

20

Hz~

400

Hz

Bandwidth

controls(Q)

:0.7~7

Band

level

controls

hie

dB]

1208

GENERAL

Power

supply

>

AC

110

V/120

V/220

V/240

V,

50

Hz/60

Hz

Power

consumption

>

34

W

Dimensions

(33

elements

continuously

variable

per

channel)

Signal

level

selector

7150

mV/1

V

&

CONTENTS

Page

SAFETY:PRECAUTION

2p

pei

ee

ERE

Baws

Seem

2

TOTAL

FREQUENCY

RESPONSE

ii

Bi

ity

Seah

Gas

Hes

hae

Cie

SO

aera

ean

LOCATION

OF

CONTROLS

.

Sk

WR

ote

lelctan

Woe

a

Ae

Ge

DISASSEMBLY

INSTRUCTIONS

.

;

fay

8k

ena

a

Oe

MODEL

NO.

SH-8065

BE

DIFFERENT

MODEL

NO.

SH-8075

:

ews:

&.

pay

“6

PRINTED

CIRCUIT

BOARDS

WIRING.

CONNECTION

DIAGRAM

i

a

iat

Bye

‘Technics

(HxWxD)

>

153x430

x

330

mm

(6-1/32"

«

16-15/16"

x

13")

Weight

:

6.6

kg

(14.5

Ib)

Page

PRINTED

CIRCUIT

BOARDS

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

9°16

TECHNICAL

INFORMATION

.

ee

eee

|

EXPLODED

VIEW.......

le

18,19

REPLACEMENT

PARTS

LIST

.

Bi

eae

ole

ee

ea

ee

SCHEMATIC

DIAGRAM

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

000-5.

21~30

BLOCK

DIAGRAM

.....

Say

&

bre

&

i

oe

SG

eee

RESISTORS

AND

CAPACTIORS

Pg

yk

he

BB

eA

Hata

ie,

Op

OA

Matsushita

Electric

Trading

Co.,

Ltd.

P.O.

Box

288,

Central

Osaka

Japan

B

SAFETY

PRECAUTION

mf

WN

-

Wh

-

©

_

Before

servicing,

unplug

the

power

cord

to

prevent

an

electric

shock.

.

When

replacing

parts,

use

only

manufacturer's

recommended

components

for

safety.

_

Check

the

condition

of

the

power

cord.

Replace

if

wear

or

damage

is

evident.

.

After

servicing,

be

sure

to

restore

the

lead

dress,

insulation

barriers,

insulation

papers,

shields,

etc.

.

Before

returning

the

serviced

equipment

to

the

customer,

be

sure

to

make

the

following

insulation

resistance

test

to

prevent

the

customer

from

being

exposed

to

a

shock

hazard.

INSULATION

RESISTANCE

TEST

.

Unptug

the

power

cord

and

short

the

two

prongs

of

the

plug

with

a

jumper

wire.

|

.

Turn

on

the

power

switch.

.

Measure

the

resistance

value

with

ohmmeter

between

the

jumpered

AC

plug

and

each

exposed

metal

cabinet

part,

such

as

screwheads

antenna,

control

shafts,

handle

brackets,

etc.

Equipment

with

antenna

terminals

should

read

between

3M22

and

5.2MQ

to

all

exposed

parts.

(Fig.

A)

Equipment

without

antenna

terminals

meule

read

approximately

infinity

to

all

exposed

parts.

(Fig.

B}.

Note:

Some

exposed

parts

may

be

isolated

from

the

chassis

by

design.

These

will

read

infinity:

Antenna

terminal

Exposed

metal

part

Ohmmeter

Ohmmeter’

(Fig.

A)

(Fig.

B)

Resistance

=

3M2

~

5.2M@Q

Resistance

=

Approx

OO

.

1f

the

measurement

is

outside

“he

specified

‘limits:

there

is

a

possibility

of

a

shock

hazard

The

equipment

should

be

saps

and

rechecked

before

it

is

returned

to

the

customer.

heed

@

TOTAL

FREQUENCY

RESPONSE

Frequency

response

(+12dB

position}

+12

poeta

ee

alee

die

2th

+10

PAAR

RAO

TAA

UTA

AA

wa

<p

PANINI

LIE

tee

oe

CONES

An

44

Ht

AAR

A

AAU

A

“4215

LL

A

AX

MARA

SAX

ee

Nrenuniel

0

ee

SSS

2

RAAT

OP

I

IO

ODI

AY

ALLA

—

4

DANO

MAK

KY

MY

TY

IXY

YI

TY

XIX

KAY

XX

AL

VARY

YY

yYVV

VV

YY

Vi

3

vuUW

Uh

ed

ori

a

SOFA

TA

A

TA

WUT

LT

A

“10

23.

§

7100

2.3

§

71%

23

5710k

23

§

Frequency

(H2)

Level

a

SH-8075

@

LOCATION

OF

CONTROLS

Power

switch

©

Band

ievel

control

Equalizer

on/of*

switch

|

B

oft,

=

on}

Recording

mode

switch

{

Mf

straight,

=

EQ)

tape

7

tase

2

@

Sand

level

contro!

@

Bandwidth

{Q)

control

©

Variable

equalizer

switch:

Lch.

{

EE

off,

=

on)

@

Bandwidth

(Q)

contral

Band

jevel

controls

:

L

ch,

+12d8

@

Frequency

control

{Hz)

Band

level

controls

:

R

ch.

+12dB

@

Frequency

control

(Hz)

@

Variable

equalizer

switch

:

Rich.

(

M

off,

=

on)

input

selector

input

signal

level

saleetec

@

VARIABLE

EQUALIZER

os

“Technica:

Information”

on

page

17

also

describes

me)

variable

equalizer.

The

variable

2qualizer

can

be

used

for

corrections

of

low-frequenc.

characteristics.

The

functions

in

this

unit

are

as

follows:

@

Center

frequency

contro!

knob

(frequency,

Hz)

is

able

to

cantinuously

vary

the

frequency

in

a

range

Of

20Hz

~

400Hz

to

set

it

to

the

desired

point.

@

Band

width

knob

fhandwidth.

O)

ie

able

to

conti-

hudusly

.aty

the

resonance

peak

{Q)

of

frequency

set

by

knob

6

@_

in

a

range

of

0.7~7.

Turning

it

counters

7ckwise

decreases

the

value

of

Q,

making

H

9a

te

ri

a

an

Ahn

Sie

ma

To

©

iets

A

hab

fs

dee

rh

MN

wate

on

LINE

IN

!

——PLAYBACK

=

:

ae

Dba

eh

I

To

Tape

deck

2

Pa

REC

OUT

el

cae

sn

4

PLAYBACK—————y

=

-

Low

level

~

150m

V

side

{Input

from

“REC

OUT"

of

amplifier:

Output

to

“"PLAYBACK"’)

High

level

>

1V

side

(Input

from

“PRE

OUT"

of

amplifier

:

Output

to“MAIN

IN’)

Voltage

setector

(110V/120V/220V/240V)

=

To

Tape

deck

1

the

peak

and

dip

gentle,

while

turning

it

clockwise

increases

the

value

of

Q,

making

the

peak

and

dip

sharp,

resulting

in

less

interference

given

by

or

to

adjacent

channels.

©)

Variable

equatizer

band

level

control

is

able

to

vary

the

frequency

set

by

knob

@

by

+12

dB.

If

the

frequency

set

by

knob

@

is

63

Hz,

then

it

can

be

varied

+24

dB

by

using

the

knob

@

and

the

22-division

GB

Hz

band

terel

conirel

Kage.

4)

Variable

equalizer

switch

(variable

£Q)

is

a

switch

to

turn

on/off

the

control

knobs

@

~

@.

(16H2~25kHz,

divided

into

33

band

in

1/3

octave.)

(16Hz~25kHz,

divided

into

33

band

in

1/3

octave.)

ook

Sa

S29

@®

OTHER

SWITCHES

*

Equalizer

on/off

switch

(EQ)

This

switch

is

used

to

turn

on/off

the

equalizer

circuit.

With

it

set

to

“on”,

the

frequency

characteristic

can

be

varied

by

the

upper

and

lower

band

level

controls

(33

sets

each)

and

the

variable

equalizer

band

level

controls

(1

set

gach)...

hy

Bas

*

With

Jit:

‘set,

to,

"off

“a

signal

is.

‘obtained

not

to

make

%

“off,

the

signal

comes

out

through

the

unit.

*

Record

mode

switch

(rec

mode)

When

recording

on

a

tape

deck,

correction

mode

is

selected

by

this

switch.

“EQ”

is

the

position

for

recording

with

correction

given,

@

DISASSEMBLY

INSTRUCTIONS

@

How

to

remove

the

bottom

board

.

Remove

the

8

setscrews

{red)

as

in

[Fig.

1]

to

reomve

the

bottom

board.

*Remove

the

bottom

board

from

andenesih

the

front

pane!

as

shown

by

the

arrows.

a

Red

‘<

(8

pes)

pte

oi

Input

selectar

switch

:

1

ie,

“Source”

is

the

position

“for

record

say:

and

radio

‘broadcast.

%

2

>

#

,

“equalizer

cotrection.4

flan

a7

*

Even

when

power

switch

is

off

with

this

switch

turned

yee

lf

the

equalizer

on/off

switch

is

set

to

“off’’,

the

“straight”

indicator

lights

up

and

signal

without

correc-

tion

will

be

recorded.

“Straight”

is

the

position

for

recording

without

correc-

tion

sae

“tape

1”

is

the

position

for

playback

on

a

tape

deck

connected

to

“TAPE

1°

terminal

on

the

rear

chassis

or

for

dubbing

from

tape

deck

1

to

2.

“tape

2”

is

the

position

for

playback

on

tape

deck

2

or

for

dubbing

from

tape

deck

2

to

1.

How

to

remove

the

front

panel

1.

Remove

the

setscrews

@

~

@

[Fig.

2]

to

remove

the

cabinet.

2.

Remove

the

5

setscrews

[Fig.

2]

of

the

front

panel.

3.

Pull

out

the

6-pin

connector

{terminals

@

~

@]

from

the

switch

P.C.B.

on

the

left

side.

[Fig.

3]

4.

Remove

the

front

panel

with

care

not

to

scratch

the

knobs.

Power

switch

and

bottom

connecting

rod

Pull

out

the

connector

before

removing

the

front

panel.

Front

panet

~—

Panel

setscrews

(5

pes)

Fig.

2

®

How

to

remove

the

band

level

controj

P.C.B.

if

2:

3;

Remove

the

front

panel.

Remove

the

band

level

contro!

knob.

(The

light

guide

plate

is

removed

with

it.)

Remove

the

light

shielding

cloth.

[Fig.

4]

_

Remove

the

9

setscrews

which

secure

the

R

or

L

channel

P.C.B.

[Fig.

5}

.

Remove

the

band

level

control

P.C.B.

*Each

control

LED

is

inserted

into

the

volume

lever

with

longer

side

down.

Setscrews

af

switch

P.C.B.

(4

pes.)

P.C.B.

of

teft

ch.

band

level

contro!s

Light

guide

plate

Knob

\

epe

Light

guide

plate

Knob

2

insert

with

long

leg

down,

Ss

Setscrews

of

rith

ch.

band

fevei

control

P.C.B.

{9

pes.)

Fig.

5

@

How

to

remove

the

switch

P.C.B.

and

variable

equalizer

P.C.B.

1.

Remove

the

front

panel.

2.

Remove

the

4

setscrews

of

switch

P.C.B.

[Fig.

5].

3.

Pull

out

the

switch

P.C.B.

fixing

[Fig.

8].

4.

Remove

the

6-pin

[terminals

(43)

~

(48)

]

and

7-pin

[terminals

(37)

~

(42)

]

connectors

from

the

variable

equalizer

P.C.B.

and

then

remove

the

switch

P.C.B.

as

in

Fig.

6.

5.

Check

the

P.C.B.

as

shown

in

Fig.

7.

Variable

equalizer

P.C.B.

Switch

P.C.B.

connector

6-pin

;

~

as

jy

7-pin

connector

SS

ACH

L

ua

TRRD

Woy

ass

ay

Power

supply

circuit

After

repair,

keep

the

lead

wire

away

from

the

power

supply

circuit.

Fig.

8

s

F

After

repair

a

Button

of

power

Push

switch

buttons

Level

control

knobs

1.

Make

the

wiring

away

from

the

power

supply

switch

knob

bight

guide

circuit

as

in

Fig.

8.

plat

2.

Be

sure

to

fit

each

button

and

switch

in

correct

positions.

[Fig.

9]

.

3

.

Side

down

Side

down

Gate

hole

side

of

malding

;

should

be

down.

Fig.

9

m@

MODEL

NO.

SH-8065

BE

DIFFERENT

MODEL

NO.

SH-8075

Center

frequency

33

elements

(16

Hz

~

25

kHz,

1/3

octave}

Right

and

(No,

of

BPF

elements}

left,

independent

of

each

other.

Recording

selector

|

“EQ

position’

switch

“rec

mode”

switch

source

tape

1

(dubbing

from

tape

1

to

2}

tape

2

(dubbing

fron

tape

2

to

1)

source

tape

{Playback}

Input

selector

ot

Positive/negative

characteristic

Characteristic

can

be

selected

Not

poss:

bie

selection

with

the

switch.

(Selecting

switch

is

not

provided.}

Variable

range

selector

+12

dB/+3

dB

can

be

selected

Not

possible

(+12

dB

only)

(*)

Variable

equalizer

selector

Possible

{*}

Band

width

control

(Q)

Possible

:

(0.7

~

7

continuously

variable)

(*)

Center

frequency

control

of.

©

Possible

“]

band

level

control

(*)

SH-8075

is

provided

with

variable

equalizer

circuit

so

that

the

center

frequency

(20

Hz

~

400

Hz)

end

its

band

width

other

than

the

other

band

levels

can

be

varied

by

variable

EQ

switch.

‘None

(6)

SH-8075

™@

PRINTED

CIRCUIT

BOARDS

WIRING

CONNECTION

DIAGRAM

Orange

AC

110/420/220/240V

[sigwat

Lever

_](se)

a

>

LOW

LEVEL

==

HIGH

LEVEL

~~

-

:

=

TAPE

2-7

p

TAPE

i

4

“~

AMP

i

ue

os

PLAYBACK

=

RECOUT

PLAYBACK

RECOUT

LINEOUT

LINEIN,

:

oe

+s

f

(58-1)

{

aan

ee

’

a

eee

A

08

018

~-IS

aes

=

.

VOLTAGE

749

ta

ia

i

eto

fe

.

i

.

J

of

J

($8+4)

SELECTOR

P.C.B.

(Top

view)

R

wR}

ifw

al

iiwr”

1

lw

i

'

P

p

2

a

69

—s«g

8

67

.

ale

ons

ak

itty

;

($1001)

0)

Input/Output

terminal,

power

supply

lt

ra

thy

aa

ane

Yellow

and

band

pass

filters

ao

(T1001)

Red]

Power

transformer

(Bottom

view

Se

ae

|

Band

level

control

of

variable

equalizer

S~o

o~%

|

P.C.B.

(Top

view)

.

Input/Output

controls

t

—

:

’

25

P.C.B.

(Top

view)

zs

7

Variable

equalizer

é

level

controls

(R

ch.)

che

P.C.8.

{Bottom

view)

VARIABLE

Indicators

EQ

(Q)

(Me)

EQ

«1

@)

(He)

I

Lery

——!

—

Rignt

——

SH-8075

H

PRINTED

CIRCUIT

BOARDS

[ej

P.C.B.

(INDICATORS)

To

fe

PCB.

ToB}PC.B.

|

(-

B)

ae

To

‘(LINE

OUT)

termina

eiay

Fro

From

Pj

PC.B.

Muting

sw

a

B

From

(LINE

IN)

terminal

—(‘uobing

1»

S

|

ae

¥

dubbing

2>

—

2

PLAYBACK)

(CUMIN

Bo

SN

es

;

=

To

(tane?

RFC

un)

terminal

-

me"

:

Font

—

PLAYBACK)

Tp

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20~400HzZ

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LEVEL

SH-8075

@

TECHNICAL

INFORMATION

@

Variable

equalizer

circuit

(for

varying

the

center

frequency

and

band

width)

Integrator

|

Adder/Subtractor

The

band

pass

filter

of

this

unit

is

designed

so

that

the

resonance

peak

characteristic

(band

width:

Q)

is

constant

at

5.

With

the

variable

equalizer

switch

set

at

“on”,

the

center

frequency

and

resonance

peak

characteristic,

only

for

20

Hz

~

400

Hz,

and

the

frequency

band

level

as

well

as

the

other

band

level

can

be

varied.

-

Fig.

1

is

a

variable

equalizer

circuit

consisting

of

3

operation

amplifiers

(1

adder/subtractor

and

2

integrators).

The

center

frequency

(fo)

of

band

pass

*

Band

ievel

is

at

+12

dB.

filter

is

determined

by

the

time

constant

of

R

and

C,

:

e

pay

ee

A

and

the

frequency

is

varied

by

double-acting

volume

poodle!

preauency

(fo)

Bandwidth

(Q)

varies

by

r.

R.

The

resonance

peak

characteristic

is

varied

by

:

double-acting

volume

r.

.

Fig.

1

©

Band

level

control

circuit

|

(for

varying

the

center

frequen):

by

#12

dB)

abe

Loe

eae

ss

*

¥

Fig.

2

is

a

circuit

that

‘ibs

the

frequency

charac:

eee

teristic

of

peak

anddip.

a

When

the

band

level

control

volume.

is

at

middle

position

@,

BPF

is

off

the

circuit,

therefore

the

input/output

gain

(G)

is

as

follows:

As

VR

is

shifted

t

to

0

®.

i

input

Gon

R3

and

output

of

(ore

cer

BPF

are

added

as

the

output

to

give

the

following:

.

or

a

Shifted

from

@—-@

R.,

_

(Peak

characteristic)

(=7+4

aT)

G=

Band

leval

control.

Tg

:

gain

characteristic

of

BPF

As

VR

is

shifted

to

©,

synthesized

NFB

of

BPF

and

Fig.

2

R2

is

given,

thereby

making

a

frequency

characteris-

tic

having

a

dip.

Response

of

bandwidth

contro!

(Q)

Definition

ne

|

INN

|

oN

ZING

“NA

.

“nq

expresses

the

sharpness

of

~

the

peak

and

the

dip,

and

its

value

is

expressed

as

the

value

Steere!

a

ary

obtained”

“when”

the’

“center

9

aOR

Se

sete:

frequency

(fo)

is

decreased

by

3

06

less

than

the

peak

point

(the

dip

point

is

increased

by

3

dB),

and

is

divided

by

the

frequency

range(Af

=

f,

—

f,).

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:

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in

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=)

i

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REPLACEMENT

PARTS

LIST

Notes:

1.

Part

numbers

are

indicated

on

most

mechanical

parts.

Please

use

this

part

number

for

parts

order.

2.

Important

safety

notice:

Components

identified

by

A

mark

have

special

characteristics

important

for

safety.

When

replacing

any

of

these

components,

use

only

manufacturer's

specified

parts.

3.

Bracketed

indications

in

Ref.

No.

Columns

specify

the

area.

Parts

without

these

indications

can

be

used

for

all

areas.

4.

The“

©

“

mark

is

service

standard

parts

and

may

differ

from

production

parts.

5.

The

parenthesized

numbers

in

the

column

of

description

stand

for

the

quantity

per

set.

ee

INTEGRATED

CIRCUITS

AN78M24

Regulator,

24V

SVIUPC7918H

Regulator,

—18V

SVINJM2043DE

=|

Invertor

Spring,

Power

Switch

(2)

Button,

Power

Switch

(1)

Spring,

EQ

Switch

(2)

Button,

EQ

Switch

(2)

1C5~11,22~27

|SVINJM4558SE

|

Band

Pass

Filter

1C12~21,28~37

|SVINJM2043SE

|

Band

Pass

Filter

SVIHA12017

Buffer,

Adder,

Subtractor

10705~707

SVINJM2043SE

=

{Integrator

TRANSISTORS

Q1,2

2SC458T

—C

Relay

Drive

Q3

2SA1015—Y

Switching

Ol

A

|SV01B4B42

Rectifier

02

©

Switching

LED,

(EQ,

Source

Button

(4)

Button,

Push

Switch

(5)

Button,

Levei

Control

6

Spacer,

Level

Screw,

@3X8

Screw,

©2.6X5

(2)

Washer,

$2.6

Screw,

3X8

Screw,

©3X

10

11

12

13

14

15

LN824WP

D4

LN424WP

Bracket,

Power

Switch

Screw,

©3X16

Screw,

83X10

Washer,

¢3

Washer,

¢3

08,704

b9

010,11

012,667

MA1180M

MA1220M

MA1062M

SVD1S2076A

16

17

Holder,

PCB

(2)

Bracket,

PCB

Switching,

Pulse

Killer

Sone

18(EK)

A

QFC1205M

ee

~666,701,

{|

LN251RCPP

LED(Band

Lebel

Control)

POWER

eee

VARIABLE

pee

VR601

~666,

EVAJN2J15G25_

jLevel

cont.

200k0

701,702

(G)

18

(other)

SJA138—3

SQFK10050

SQFK10053

SQFK10052

Instruction

Book

(1)

Instruction

Book

(1)

Instruction

Book

(1)

19

SKCKH8075KN

|Cabinet

Ass'y

=

(1)

SPJ15

20(EK)

SHR129

Bushing,

AC

Cord

(1)

Bushing,

AC

Cord

(1)

20{other)

SHR127

P1(EF)

Carton

Box

VR703,

704

P1

(other)

Carton

Box

EWKENAS530A15

|Band

Width

cont.,

100kN

(A)

SGPKH8075—KE

SJF3049—2N

Rear

Panel

Ass’y

(1)

Termina!

Board,

in/Output

(1)

Spacer

(1)

Bottom

Board

(1)

Foot

Pad,

Left

&

Right

(2)

VR705,

706

EWKENAS530C15

|Frequency

cont.,

100kN(C)

SHGK459

iSKUK

100-1

SKL227—2

Polyethylene

Sheet

‘))

RELAY

RLY]

ssy9

‘

Muting

SWITCHES

SMXA65

SMN1635

Cover

Bracket.

Voltage

Selector

(2)

Holder

(1)

Terminal,

Fuse

(2)

Clamper,

Read

Wire

Input

Selector

EQ

Selector,

Rec

Mode

Variable

Equalizer

Signal

Level

sag

Power

Source

Voltage

Selector

XBAZC10TRO

—

|250V,

TIA

Note:

*The

instruction

book

is

provided

with

3

sheets

of

frequency

level

recording

chart

(SQXK50007)

and

1

sheet

of

recording

method

explana-

tion

chart

(SQXK50007-2)

@

Terminal

guide

of

transistors,

IC’s

and

diodes

SVINJM2043SE

SVINJM4558SE

2.

Ground

3.

V

output

1.

Ground

2.

V

output

3.

V

input

SVIHA12017

SVD1B4B42

LN424WP,

LN8S24WP

MA1062M

MA1220M

MA1180

gn

0

OD

ae

K

—~q@—

A

MA150

$VD1S2076

ee

6

ee

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—+q—

A

LN251RCPP

at

any

time

with

the

development

of

new

technology.)

-

LINE

IN

[

TAPE

1

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TAPE

2

PLAYBACK

L

TAPE

1

REC

OUT

[

TAPE

2

REC

OUT

LINE

OUT

q

L

R

L

R

L

R

L

R

(Input/Output

circuit,

Variable

equalizer

control

circuit

and

Band

level

control

circuit)

2

3

4

5

6

7

8

9

10

a

INPUT

SIGNAL

LEVEL

SELECTOR

Sie

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e

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!

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(MUTING)

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input

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foe

signal

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|

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source__

Sf;

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|

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ch.

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2

SVIHA12017

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:

3

2

©

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fee

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a

333m

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|

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eva

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source®

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|

x

|

ej)

«

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S|

=

a

R15

2.7K

Df

MA1062M

_}-

6.2V

ZENER

LN824WP

Ri4

zener

6.8K

Hg

D4

LN424WP

Q3.

INDICATORS

2SA101S

SWITCHING

re

Y

R647

1K

°

y

o

-

=

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—¥

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646

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signal

of

left

channel

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10

11

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|

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16

17

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line

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line

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OF

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CH.

19

29

28

23

24

25

26

27

22

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(Lch.)

16Hz~630Hz

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21

20

BAND

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FILTERS

OF

LEFT

CHANNEL

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1C12.

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production

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R617,618

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106

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108

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R117,118

R119,120

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R123,124

R125,

126

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130

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206

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304

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306

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308

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310

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320

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330

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336

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338

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340

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R343,344

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346

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348

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350

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354

R355,

356

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R359,

360

R361,

362

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R365,

366

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404

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406

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408

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410

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ERD25T

J563

ERD25T

J683

ERD25TJ563

ERD25T

J683

ERD25TJ563

ERD25T

J683

ERD25TJ563

ERD25TJ223

ERD25T

J223

ERD25TJ273

ERD25TJ223

ERD25TJ273

ERD25TJ223

ERD25TJ273

ERD25T

J273

ERD25TJ223

ERD25FJ152

ERD25F

J152

ERD25FJ152

ERD25F

5152

Tolerance

R413,414

R415,416

R417,418

R419,

420

R421,422

R423,424

R425,426

R427,428

R429,430

R431,432

R433,434

R435,

436

R437,438

R439,

440

R441,442

R443~450

R451

~460

R461,462

R463,

464

R465,

466

R501,502

R507,508

R513,514

R517,518

R523,524

R525,526

R529,530

R533,534

R537,538

R547,548

R553,554

R559,

560

R561,562

R601,602

R603,604

R605,

606

R607,608

R609,610

R611,612

R613,614

Z

ODQOQGOOOHHGHOH

GQOOOOOOHOHH

OOOH

OOOOOQOOH

OVOOOOHVOHOH

:

+0.5pF

:

+5%

:

+10%

:

+80%,

—20%

ERD25FJ182

ERD25FJ152

ERD25FJ182

ERD25F

5182

ERD25FJ152

EROD25FJ152

ERD25FJ182

ERD25FJ152

ERD25FJ182

ERD25F

5152

ERD25FJ152

ERD25F

J152

ERD25FJ152

ERD25T

J824

ERD25TJ824

ERD25T

J824

ERD25TJ224

ERD25T

J224

ERD25TJ224

ERD25T

J224

ERD25TJ224

EROD25F

J681

ERD25TJ104

ERD25FJ392

ERD25TJ473

ERD25FJ152

ERD25TJ104

ERD25F

J682

i

}

rs

F

L.

MOLES

Seg

yt?

Peculiarity

Bier.

©.

R631,632

SESE

oe

R637,638

R639,640

R641,642

R643,644

R645,646

ERO25CKF4701

ERD25TJ473

ERD25FJ152

ERD25FJ122

ERD25FJ152

ERD25F

J821

@

CAPACITORS

C3

C4

C5,6

C7,8

C9

C10

C11,12

C13

C14

C15

C16,17

C18

C51,52

C101,102

C103,104

C105,106

C107,108

C109,110

C111,112

C113,114

C115,116

C117,118

C119,120

C121,122

C123,124

C125,

126

C127,128

C129,

130

C131,132

C133,134

C135,136

C137,138

C139,140

C141,142

ee

OO

QOOOVOOOHOOOO

OOOOH

POOYHOHOOOOO

Part

No.

ECEA1HS102

ECEAIES221

ECEAIES331

ECKD1H223ZF

ECEA1ES101

ECEAS0Z1

ECEA1AS221

ECKD1H223ZF

ECEA1HS100

ECEAIES220

ECEAIASI101

ECEAIES101

ECKD1H223ZF

ECQM1H394JZ

ECQM1H334JZ

ECQM1H274JZ

ECQM1H224JZ

ECQM1H184JZ

ECQMIH154JZ

ECQMI1H104JZ

ECQM1H394JZ

ECQM1H334JZ

ECQM1H224JZ

ECQM1H184JZ

ECQM1H154JZ

ECQM1H124JZ

ECQM1H104JZ

ECQM1H823JZ

ECQM1H563JZ

ECQM1H473J2Z

ECQM1H393JZ

ECQM1H333JZ

ECQM1H223JZ

ECQM1H183JZ

R647

R649,650

R651,652

R661,662

663,664

R665,666

R701,702

R703,

704

R705,

706

R711,712

R713,714

C143,144

C145,

146

C147,148

C149,150

C151,152

C153,

154

C155,

156

C157,158

C159,

160

C161,162

C163,164

C165,

166

201,202

C203,204

205,206

C207,208

C209,210

C211,212

C213,214

215,216

C217,218

C219,220

C221,222

C223,224

225,226

C227,228

C229,

230

C€231,232

C233,234

C235,

236

C237,238

C239,240

C241,242

C243,244

C245,

246

Ss

S)

S

Ss

©

CS

©

OOOOH

OHUOOO

OOo

ERO25FJ102

ERD25TJ273

ERD25FJ102

|.

ERD25TJ563

ERO25CKF3901

ERO25CKF4701

ERD25TJ473

ERD25FJ152

ECQM1H333JZ

ECQM1H273JZ

ECQM1H223JZ

ECQM1H183JZ

ECQM1H153JZ

ECQM1H103JZ

ECQM1H822JZ

ECQM1H682JZ

ECQM1H562JZ

ECQM1H392JZ

ECQM1H332JZ

ECQM1H272JZ

ECQM1H474JZ

ECQM1H394JZ

ECQM1H334JZ

ECQM1H224JZ

ECQM1H184JZ

ECQMI1H154JZ

ECQM1H124JZ

ECQM1H394JZ

ECQM1H334JZ

ECQM1H274J5Z

ECQM1H224JZ

ECQM1H184JZ

ECQM1H154JZ

ECQM1H104JZ

ECQM1H823JZ

ECQM1H683J2

ECQM1H563JZ

ECQM1H393JZ

ECQM1H333JZ

ECQM1H273JZ

ECQM1H223JZ

ECQM1H393JZ

ECQM1H333JZ

R715,716

R717,718

R719,720

R721,722

R723,724

R725,726

©

R727,728

R729,730

R731,732

R733,734

R735,

736

C247,248

C249,250

C251,252

C253,254

C255,

256

C257,258

C259,

260

C261,262

C263,264

C265,

266

C301~310

C311~320

C321,322

C323,324

C325,

326

C327,328

C329,

330

C331

~340

C341,342

C343,344

C345,

346

C347,348

C349,

350

C351~360

C361,362

C363,

364

C365,

366

C601,602

C603,604

C605,606

C607,608

C609,610

C611,612

C613,614

C615,616

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@

j)

Oy

~)

OOOOQDOHOOODO

OOOOOW

OOOOOHOHOOO®H

QOWOWoW®

ERO25CKF4701

ERD25FJ471

ERD25FJ562

ERD25TJ473

ERD25FJ152_

ERD25FJ682

ERD25TJ274

ERD25TJ224

ERD25FJ103

ERD25FJ472

ngcemunesatz

ECQM1H183JZ

ECQM1H153JZ

ECQM1H123JZ

ECQM1H103JZ

ECQM1H822JZ

ECQM1H562JZ

ECQM1H472JZ

ECQM1H392JZ

ECQM1H332JZ

ECEA1ES470

ECEALES470

ECEA1HS100

ECEAIHS100

ECEA1HS100

ECEAS0Z1

ECEA50Z1

ECEAS0Z1

ECEA50Z1

ECEAS0Z1

ECEA25M4R7R

ECKD1H471KB

ECEA1ES220

ECCD1H680K

ECKD1H101KB

ECEA1ES470

R737,738

R739,740

R741,742

R743,744

R745,

746

R747,748

R749,

750

R751,752

R753,754

R755,

756

C617,618

C619,620

C621,622

C623,624

C625,626

C627,628

C629,630

C631,632

C633,634

C635,636

C701,702

C703,

704

C705,

706

C707,708

709,710

C711,712

C713,714

C715,716

C717,718

719,720

C721,722

C723,724

C725,726

C727,728

729,730

C731,732

C733,734

C801,802

C803,804

C805,806

C807,808

C809,810

C811,812

C813,814

C1001

@@O@OOOOGOOaGH

R801~808

cate

No

|

PartNo.

|

No

ca

a)

DO

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OW

WWW

WH

Ww)

»)

)

W)

“

»)

MD)

GD

~

¢

(

w)

Ow

DOAWAWOWMH@OWM®

re

DHOAOA

ERD25F

J682

ERD25TJ274

ERD25F

J682

ERO25F

J392

ERD25TJ334

-

ERD25F392

|»...

ERD25TJ334

ERD25FJ152_

ERD25FJ271

ERD25FJ221

ERD25TJ473

Part

No.

|

ECCD1H330KC

ECKD1H101KB

ECEAILAS221

ECEA1AS470

ECKDIH471K8

ECKDIH101KB

ECEALAS221

ECCD

1H220KC

ECKD1H101K8

ECKD1H223Zf

ECEA1ES220

ECEALES220

ECKD1H471K8

ECEAIES220

ECKD1H101K3

ECKD1H471K3

ECEA1ES220

ECKDIH1OI1KB

ECQM1H124J

ECQMIH124J2

ECEALES220

ECEAILES101

ECKDIH101K3

ECKD1H101K3

ECCD1H10000

ECKD1H101K3

ECKD1H2232!

ECCD1H10000

ECKDOLH2232!

ECCO1H10000

ECKD1H2232!

ECKD1H2232t

ECKD1H22232}

ECKD1H2232}

ECKDKC103F/2

Printel

im

Japan

84029400

KH

KK/IM

J.

8507

D0

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ORDER

NO.

HAD8709283S2

|

~SH-8075

Service

Manual

eee

:

Ref.

No.

:

Equalizer

OLD

NEW

;

CAPACITORS

—

nn

SH-8075

:

mM

HOW

TO

READ

THE

SERIAL

NUMBER

Description

Remarks

Please

file

and

use

this

supplement

manual

together

with

the

service

manual

for

Model

No.

SH-8075,

Order

No.

..United

Kingdom

A

E

:

es

4

1

3

1

A

2

6

5

$D83072619C2.

—

....France

bee

-

Holland

|

Number

Note:

....Belgium

eThis

supplement

has

been

issued

to

inform

you

that

the

input

circuit

has

been

...F.R.

Germany

|

Siittix

changed

in

units

having

serial

number

suffixes

“C”

or

later.

(Refer

to

“How

to

read

the

serial

number”

on

page

2.)

Sei

Month

1~9

—

Jan.~Sep.

CHANGES

|

=

oct

:

Year

6

~

1986

L

—

Dec.

7

—

1987

m

SCHEMATIC

DIAGRAM

—

8

1988

Production

Line

9

—

1989

Lech.

input

Lech.

input

signal

Resi

1K

\.

¥

7

a

LINE

IN

[

Y

R

Oo

R662

L

LINE

IN

5

R

TO

Tape

1

PLAYBACK

R

Tape

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()

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I

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@

‘Te

chnics

Matsushita

Electric

Trading

Co.,

Ltd.

P.O.

Box

288,

Central

Osaka

Japan

bri

ited

in

Japar

‘87

0903100AM

TC

TREN

LG An

“NORIO

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TRON

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Technics SH-8075 User manual

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