Technics Sa-222 User manual

ORDER

NO.

§D8012-1811

ervice

Manual

FM/AM

Stereo

Receiver

SA-222

[M],

[MC]

Areas

*

[M]

is

available

in

U.S.A.

*

[MC]

is

available

in

Canada.

TECHNICAL

SPECIFICATIONS

_

Specifications

are

subject

to

change

without

notice

for

further

improvement.

I

}

Subsonic

filter

30

Hz,

—6

dB/oct.

(

He

78)

Loudness

control

(volume

at

—30

dB)

50

Hz,

+9

dB

@

AMPLIFIER

SECTION

Low

frequency

damping

factor

30

(8

ohms)

15

(4

ohms)

eat

<

Load

impedance

Rated

minimum

sine

wave

RMS

power

output

MAIN

or

REMOTE

4246

Shine

20

Hz~20

kHz

both

channels

driven

MAIN

and

REMOTE

8~16

ohms

0.04%

total

harmonic

distortion

30W

per

channel

(8

ohms)

@

FM

TUNER

SECTION

1

kHz

continuous

power

output

both

channels

driven

Frequency

range

87.9~

107.9

MHz

0.04%

total

harmonic

distortion

Sensitivity

10.8

dBf

(1.9

uV,

IHF

'58)

33W

per

channel

(8

ohms)

50

dB

quieting

sensitivity

35W

per

channel

(4

ohms)

MONO

13.7

dBf

(2.7

uV

IHF

'58)

Dynamic

headroom

0.7

dB

(8

ohms)

STEREO

37.2

dBf

(39.7

uV

IHF

'58)

Total

harmonic

distortion

Total

harmonic

distortion

rated

power

at

20

Hz~20

kHz

0.04%

(8

ohms)

100

Hz

0.15%

(MONO),

0.2%

(STEREO)

half

power

at

20

Hz~20

kHz

0.025%

(8

ohms)

1

kHz

0.15%

(MONO),

0.2%

(STEREO)

half

power

at

1

kHz

0.009%

(8

ohms)

6

kHz

0.3%

(MONO),

0.3%

(STEREO)

SMPTE

intermodulation

distortion

0.04%

(8

ohms)

S/N

PHONO

RIAA

standard

curve

+0.8

dB

MONO

75

dB

TUNER,

AUX,

TAPE

5

Hz~70

kHz,

—3

dB

STEREO

70

dB

20

Hz~20

kHz,

+0.2

dB,

—0.2

dB

Frequency

response

20

Hz~15

kHz,

+1

dB

—2

dB

Input

sensitivity

Alternate

channel

selectivity

70

dB

PHONO

0.5

mV

(2.5

mV,

IHF

'66)

Capture

ratio

4.2dB

TAPE

30

mV

(150

mV,

IHF

'66)

image

rejection

at

98

MHz

55

dB

S/N

(IHF,

A)

IF

rejection

at

98

MHz

75

dB

PHONO

75

dB

(80

dB,

IHF

’66)

Spurious

response

rejection

at

98

MHz

82 dB

TUNER,

AUX,

TAPE

80

dB

(95

dB, IHF

'66)

AM

suppression

55

dB

Maximum

input

voltage

Stereo

separation

PHONO

120

mV

(130

mV,

1

kHz)

1

kHz

42

dB

Input

impedance

10

kHz

32

dB

PHONO

47

kilohms

Carrier

leak

TAPE

22

kilohms

19

kHz

~38

dB

Tone

controls

38

kHz

~60

dB

BASS

50

Hz,

+10

dB~

-10

dB

Antenna

terminals

300

ohms

(balamced)

TREBLE

20

kHz,

+10

dB~

-10

dB

75

ohms

(unbaamced)

Panasonic

Company

Panasonic

Hawaii,

Inc.

Panasonic

Canada

Ti

nh

=

Division

of

Matsushita

Electric

320

Waiakamilo

Road,

Honolulu,

Division

of

Matsushita

Electric,

ec

nics

Corporation

of

America

Hawaii

96817

of

Canada

Ltd.

One

Panasonic

Way,

Secaucus,

5770

Ambler

Drive,

New

Jersey

07094

Mississauga,

Ontario

L4W

2T3

@

AM

TUNER

SECTION

Frequency

range

Sensitivity

Selectivity

Image

rejection

at

1000

kHz

IF

rejection

at

1000

kHz

@

GENERAL

Power

consumption

Power

supply

530~

1620

kHz

30

wV,

300

uwV/m

55

dB

50

dB

40

dB

185W

AC

120V,

60

Hz

m@

CONTENTS

Page

LOCATION

OF

CONTROLS........2...

2.0

ee

eee

2,3

DISASSEMBLY

INSTRUCTIONS

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

3~6

ADJUSTING

INSTRUCTIONS.

............-0.000.

6,7

ADJUSTING

POINTS

..

0.0...

pee

ee

et

ns

8

BLOCK

DIAGRAM.

........

0.00.

ee

eee eee

eee

9,10

REPLACEMENT

PARTS

LIST

(Electric

Parts).......

11,

12,

24

m

LOCATION

OF

CONTROLS

Quartz-lock

indicator

(up)

Tuning—{

down)

Analog

frequency

meter—

Band

(AM)

selectos

tse

Headphones

jack

al

(remote)

Speaker

selectors

(bass)

Tone

controls

ar

ble)

re

Automatic-scan

430

x

120

x

300

mm

(16-15/16"

x

4-23/32”

x

11-13/16")

5.9

kg

(13

tb.)

Dimensions

(WxHxD)

Weight

Note:

This

unit

is

equipped

with

an

FM/AM

allocation

selector

on

the

rear

panel.

The

specifications

shown

above

are

correct

with

this

selector

set

to

the

“FM

0.2

MHz/AM

10

kHz”

position.

If it

is

set

to

the

“FM

0.05

MHz/AM

9

kHz”

position,

however,

the

FM

frequency

range

becomes

87.50~108.00

MHz,

and

the

AM

frequency

becomes

522~1611

kHz.

Weights

and

dimensions

shown

are

approximate.

Page

PRINTED

CIRCUIT

BOARD

Tuner

circuit

&

Equalizer

circuit.

............5-

13,

14

FM/AM

preset

tuning

circuit

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

000%

15,

16

Main

amplifier

circuit...

........0000

ec

cence

17,18

SCHEMATIC

DIAGRAM

...........2-0220

00

19

~

23

EXPLODED

VIEWS

.....

2...

.

ce ee

ee

eee

25

~

27

REPLACEMENT

PARTS

LIST

(Cabinet

&

Chassis

Parts)...

.

28

Memory

gE

FM

stereo

indicator

(

Lon,

=

off

manual)

Digital

frequency

meter

Memory

indicator

Signal-Strength

indicators

(aux)

funert-tnoe

selectors

(phono)

Volume

control

(tape

2)

Tape-monitor

(tape

1

Paslactore

Loudness

(goff,

=on)

Balance

control

—Preset-tuning

Subsonic

filter

(m

off,

=

on)

FM

muting/FM

mode

(

mon/FM

auto,

=

off/FM

mono)

FM/AM

allocation

selector

AM

antenna

FM

0.05MHz

|

0.2MHz

STEP

terminal

AM

=

9kHz

10kHz

STEP

Outlets

(unswitched)

AM

ferrite-bar

antenna

ep

m

-

ee

vain

speaker

terminals

FM

antenna

aw

Oe

qe

g

é

=

Remote

-

speaker

terminals

inals

75Q.

termina

—

Ground

Battery

Phono

input

(Playback)

(Memory

reserve)

Aux

input

(Rec

out)

Tape

24

(Playback)

Tape

1

(Rec

out)

Power

transformer

Tuner

circuit

P.C.B.

Main

amplifier

pk

circuitP.C.B.

La

Equalizer

circuit

P.C.B.

Analog

frequency

meter

ao

fz}

Stereo

eye

driver

circuit

P.C.B.

m@

DISASSEMBLY

INSTRUCTIONS

e

How

to

remove

the

cabinet

1.

Remove

the

8

setscrews

(Fig.

1:

@~@®)

on

the

side

and

3

setscrews

(Fig.

1:

@~

@)

on

the

back

of

the

cabinet.

2.

Remove

the

cabinet.

(Fig.

1]

e

How

to

remove

the

bottom

board

1.

Remove

the

8

setscrews

(Fig.

2:

@~

@)

of

the

bottom

board.

@

2.

Remove

the

bottom

board.

driver

P.C.B.

Stereo

eye

'

®

je

Front

panel

Lead

connector

[Fig.

3]

e

How

to

remove

the

FM/AM

preset

tuning

printed

circuit

board

and

the

analog

frequency

meter

1.

Remove

the

cabinet.

2.

Remove

the

6

setscrews

(Fig.

2

and

3:

@

~

@)

of

the

front

panel.

3.

Move

the

front

panel

in

the

direction

of

the

arrow

@

in

Fig.

3.

4.

Open

the

‘ead

holder’’

of

the

lead

conector

and

pull

out

the

lead

wire

of

the

arrow

@)

in

Fig. 3.

5.

Remove

the

2

lock

pins

(Fig.

3

:

@

,

@)

to

detach

the

stereo

eye

driver

printed

circuit

board.

6.

Remove

the

3

setscrews

(Fig.

4

:

@

~

@))

to

detach

the

FM/AM

preset

tuning

printed

circuit

board.

7.

Remove

the

2

setscrews

(Fig.

5

:

@)

,

@)

to

detach

the

analog

frequency

meter

in

direction

of

the

arrow@,

and

2

lugs

(Reflector

bracket

of

left

and

right

side)

to

detach

the

reflector

bracket

from

the

analog

frequency

meter

in

direction

of

the

arrow

®.

[4]

f°

Tr

7

[Fig.

2]

FM/AM

preset

tuning

Stereo

eye

circuit

P.C.B.

driver

P.C.B.

Front

panel

[Fig.

4]

Front

chassis

Analog

frequency

meter

Reflector

Pilot

lamp

bracket

[Fig.

5]

e@

How

to

remove

the

power

!IC

@

1.

Remove

the

cabinet

and

bottom

board.

(Refer

to

os

‘How

to

remove

the

cabinet,’’

and

‘‘How

to

remove

@

the

bottom

board."’)

SS

ee

a

2.

Remove

the

4

setscrews

(Fig.

6

:

@

~

@)

to

detach

the

power

transformer

from

rear

panel

in

the

direc-

tion

of

the

arrow

@.

Unsolder

of

power

IC.

4.

Remove

the

2

setscrews

(Fig.

6

:

@

,

@)

used

to

secure

the

power

IC

on

the

heat

sink,

and

then

pull

the

power

IC.

5.

When

mounting

the

power

IC,

apply

silicone

com-

pound

(or

equivalent

heat

diffuser)

to

the

rear

side

of

power

IC,

and

then

follow

the

steps

1

~

4

reversely.

w

Power

transformer

[Fig.

6]

e

How

to

replace

chips

(resistor,

capacitor

and

jumper)

1.

Unsolder

from

chip

by

using

solder

sucker.

2.

Remove

chip

with

tweezers

by

rotating

it

while

remov-

ing

solder

as

shown

in

Fig.

7.

3.

Solder

circuit

board

first

and

then

solder

chip

in

the

direction

of

the

arrow

as

shown

in

Fig.

8.

Notes:

1.

Do

not

use

chip

again

which

is

removed

from

printed

circuit

board.

2.

Use

lead

wire

with

insulator

for

replacement

instead

of

pee

chip

jumper.

z

Tweezers

_

Soldering

Color

Original

Parts

Name

Unsolder

Black

Chip

Resistor

and

Jumper

Brown,

White

or

Green

Chip

Capacitor

e

Note

for

replacing

chips

1.

Do

not

heat

chips

more

than

three

(3)

seconds.

2.

Be

careful

not

to

damage

the

electrode

of

chips.

replacing

chips.

e

Precautions

for

repair

Soldering

Chip

iron

by

oscilloscope.

Solder

ment

to

IC

terminals.

Rear

panel

Heat

sink

Power

IC

3.

Use

soldering

iron

(less

than

60W)

and

tweevers

for

When

frequency

is

not

indicated,

FL

(display

tuse),

FL

driver,

digit

circuit,

and

micro-computer

must

be

ch

ecked

In

this

case,

take

care

not

to

allow

short

circuit

between

IC

terminals

or

application

of

voltage

from

measuring

j

nstru-

*

Since

standardized

parts

are

mentioned

in

the

parts

list,

they

are

sometimes

different

in

Part

No.

and

Color

from

the

product

parts.

Color

Product

Part

No.

ft

Silver

Black

Red

Black

Gold

Black

Gold

Type

Figure

No.

XTB4+8FFN

XTB3+10BFZ

XTW3+12HFYR

XTB3+8BFZ

XTB3+10B

XTW3+10H

XYA4+FF

10FZ

XTW3+16H

4x

8mm,

Tapping

3x

10mm,

Tapping

3x

12mm,

Tapping

(With

plain

washer)

3x

8mm,

Tapping

3x

10mm,

Tapping

3

x

10

mm,

Tapping

(With

plain

washer)

4x

10mm,

(With

spring

washer

&

plain

washer)

OB)

O|

BD)

GB)

B|

@1®

3

x

16

mm,

Tapping

(With

plain

washer)

m@

ADJUSTING

INSTRUCTIONS

Note:

AM

OSC

Coil

(L202)

and

AM

2nd

IFT

(T202)

have

been

already

adjusted,

and

require

no

adjustment.

[

AM

TUNER

ADJUSTMENT

|

Setting

and

Equipment

used

.

ACand

DC

electronic

voltmeters

(VT

VM)

.

AM

signal

generator

(AM-SG)

.

Maintain

line

voltage

at

120

volts.

.

Output

of

signal

generator

should

be

no

higher

than

necessary

to

obtain

an

output

reading.

.

Pull

the

AM

ferrite-bar

antenna

(L201)

outward.

.

Set

input

selector

to

‘tuner’

position.

Use

a

non-metal

screwdriver

for

the

adjustment.

Set

FM-AM

muting/mode

switch

to

‘‘on/FM

auto”

position.

Set

band

selector

to

‘‘AM”'

position.

Set

tape

monitor

switch

to

‘source’

position.

Set

speaker

selector

to

‘‘main”

position.

Set

automatic-scan

switch

to

“off"’

position.

Set

FM/AM

allocation

selector

to

“‘0.2MHz/10kHz”’

position.

AM

SIGNAL

GENERATOR

FREQUENCY

DISPLAY

FREQUENCY

PARTS

PREPARATIONS

ADJUSTED

ADJUSTING

PROCEDURE

CONNECTION

AM-IF

ADJUSTMENT

Connect

AM-SG

to

AM

antenna

terminal

through

220pF

capacitor.

Common

to

chassis.

(Powerful

input)

450kHz

(30%

mod.

with

400Hz)

Connect

AC

VTVM

or

scope

to

“‘Speaker"’

terminals

of

the

set.

Frequency

of

non-inter-

ference

a

pene

T201

(1st

IFT)

.

Adjust

the

input

frequency

and

adjustment

points

so

that

the

output

becomes

maximum.

ANALOG

FREQUENCY

METER

ADJUSTMENT

‘*

Set

b

and

selector

to

‘‘FM”

position.

No-Signal

90.1MHz

Connect

DC

VTVM

to

ay

terminal.

L4

(FM

OSC

Coil)

1.

Adjust

L4

so

that

voltage

measured

by

DC

voltmeter

is

4.49

+

0,05V.

No-Signal

Connect

DC

VTVM

SOG

Mie

to

terminal.

CT1

(FM

OSC

Trimmer)

.

Adjust

CT1

so

that

voltage

measured

by

DC

voltmeter

is

10.71

+

0.05V.

No-Signal

100.1MHz

VR102

(Frequency

meter)

.

Adjust

VR102

so

that

the

frequency

meter

indicates

100.1MHz.

(Refer

to

Fig.

13)

No-Signal

107.9MHz

VR102

(Frequency

meter)

2.

.

Adjust

VR102

so

that

the

frequency

meter

indicates

107.9MHz.

(Refer

to

Fig.

12)

Repeat

steps

(4)

and

(5).

AM-RF

ADJUSTMENT

‘*

Set

band

selector

to

“AM”

position.

No-Signal

Connect

DC

VTVM

1100kHz

to

Mi)

terminal.

CT202

(AM

OSC

Trimmer)

.

Adjust

CT202

so

that

the

frequency

meter

indicates

1100kHz.

(Refer

to

Fig.

12)

.

If

it

is

not

adjustable,

set

the

frequency

to

530kHz

and

adjust

L202

(AM

OSC

Coil)

so

that

the

voltage

of

TP1

is

1.2+

0.05V.

.

Next,

set

the

frequency

to

1500kHz

and

make

sure

that

the

range

is

within

@

of

Fig.

13.

If

it is

not

within

the

range,

perform

the

adjustments

of

steps

1

and

3

again.

Step

No.

10

11

12

AM

SIGNAL

GENERATOR

CONNECTION

FREQUENCY

DISPLAY

1___

FREQUENCY

PREPARATIONS

PARTS

ADJUSTED

ADJUSTING

PROCEDURE

AM-RF

ADJUSTMENT

Connect

AM-SG

to

AM

antenna

terminal

through

200pF

capacitor.

Common

to

chassis.

(Weak

input)

610kHz

(30%

Mod.

with

400Hz)

610kHz

Connect

AC

VTVM

terminals

of

the

set.

to

scope

to

‘‘Speaker”’

L201

(ANT

Coil)

.

Adjust

for

maximum

output.

.

Adjust

ferrite

core

of

L201

by

screwdriver.

1500kHz

(30%

Mod.

with

400Hz)

FM

TUNER

ADJUSTMENT

Equipment

used

FM

signal

generator

(FM-SG)

.

Stereo

modulator

.

Distortion

analyser

.

Oscilloscope

.

ACand

DC

electronic

voltmeters

(VTVM).

.

Frequency

counter

(19kHz

and

108MHz

measurable).

FM300Q

dummy

antenna

(Fig.

9)

.

Connect

AC

VTVM

.

Adjust

for

maximum

output.

To

SG

|

(SG

imp.

752)

CT201

(ANT

Trimmer)

1500kHz

.

Repeat

step

(7)

until

the

frequency

correctly

matches

the

dial

display.

to

scope

to

‘‘Speaker”’

terminals

of

the

set.

*

Preparation

of

FM

signal

generator

(FM-SG)

1.

Connect

stereo

modulator

to

FM-SG.

2.

Apply

SG

output

to

antenna

terminal

of

the

set

through

3000

FM

dummy

antenna.

3.

The

standard

input

of

the

set

is

60dB

(1mV),

400Hz

100%

modulation

(Because

of

using

dummy

antenna,

SG

output

must

be

12dB

plus

(IHF).

That

is,

when

input

is

60dB,

SG

output

is

to

be

72dB.

Setting

.

Setband

selector

to

‘‘FM”’

position.

.

Other

setting

are

the

same

as

in

AM

tuner

adjustment.

AM

SIGNAL

GENERATOR

|

CONNECTION

FREQUENCY

|

PARTS

ADJUSTMENT

DISPLAY

FREQUENCY

ADJUSTING

PROCEDURE

PREPARATIONS

FM-IF

ADJUSTMENT

No-Signal

Connect

DC

VTVM

between

[§GEIOA

and

through

choke

Adjust

T101

core

so

that

voltage

measured

in

signal

mode

is

OV

in

300mV

range.

100.

1MHz

T101

(Discri.

IFT)

coil.

(Refer

to

Fig.

10)

FM

RF

ADJUSTMENT

Connect

FM-SG

to

FM

antenna

terminal

through

3000

FM

dummy

antenna.

90.1MHz

(100%

Mod.

with

400Hz)

Weak

input

90.1MHz

Connect

scope

to

“Speaker’’

terminals

of

the

set.

Connect

FM-SG

to

FM

antenna

terminal

through

3000,

FM

dummy

antenna.

(Apply

16dB

to

antenna

terminal)

100.

1MHz

(100%

Mod.

with

400Hz)

ea

L1

(FM

ANT

Coil)

L2

(FM

DET

Coil)

T1

(FM

IFT)

.

Check

step

(2)

and

if

it

is

deflected

readjust

of

L4.

.

Add

weak

input

so

that

noise

is

included

in

the

output

wave

form.

.

Make

the

adjustment

so

that

the

output

wave

form

is

vertically

symmetrical.

(Refer

to

Fig.

11)

.

Check

step

(3)

and

if it is

deflected

readjust

of

CT1.

FM

MUTING

LEVEL

ADJUSTMENT

100.1MHz

Connect

AC

VTVM

or

scope

to

‘’Speaker”’

terminals

of

the

set.

re

VR101(Muting

level)

.

Set

the

FM

muting/FM

mode

switch

to

“‘off/mono”.

.

With

the

FM

muting/FM

mode

switch

set

to

“‘on/auto”

adjust

VR101

so

that

the

output

is

given

with

muting

condition

released.

FM

MPX

PILOT

(VCO)

ADJUSTMENT

Connect

FM-SG

to

FM

antenna

terminal

through

300Q

FM

dummy

antenna.

100.

1MHz

(Non-

modulated)

100.1MHz

Connect

frequency

counter

to

Mggeyeh}

terminal

through

resistor

(100kQ)

STEREO

VR301

(VCO)

.

Set

the

FM

muting/FM

mode

switch

to

‘‘on/auto”.

.

Adjust

VR301

to

19kHz

+

30Hz.

DISTORTION

ADJUSTMENT

Connect

FM-SG

to

FM

antenna

terminal

through

3000

FM

dummy

antenna.

(Pilot

10%

Mod.

stereo

signal)

100.1MHz

(100%

Mod.

with

400Hz)

(L

mode)

100.1MHz

Connect

distortion

analyser

to

‘‘Speaker”’

terminals

of

the

set.

T1

(IFT)

.

Set

the

FM

muting/FM

mode

switch

to

‘‘on/auto”’.

.

Re-adjust

the

already

adjusted

T1

within

+

90°

from

the

preset

core

position

so

that

the

distortion

of

L

ch

is

minimized.

Frequency

meter

|

‘re

OC

VTVM

COIL

(1\OOpH)

(SLOXI0I

-

20)

112.50

|

fe}

1To

Receiver

1600

|

Noise

3002

FM

Dummy

Antenna

AF

output

wave

form

[Fig.

9]

[Fig.

10]

(Fig.

11]

Pointer

(When

1500kHz)

(When

1100kHz)

(When

107.9MHz)

(When

100.1MHz)

[Fig.

12]

[Fig.

13]

ADJUSTING

POINTS

AM

Antenna

AM

OSC

AM

Antenna

coil

trimmer

[L201

|

201

AM

OSC

Pull

out

FM

Antenna

coil

AM-IF

(Ist)

FM

Detector

coil

MPX

VCO

adj.

AM-IF

(2nd)

T202

FM

OSC

trimmer

FRONT

m

BLOCK

DIAGRAM

IC

102

a

(SVILAI231NS)

ol

Q

3

Ic301

(SVIpPCII6IC)

Iclor

(SVIuPCIOI8)

&

Q303

TI

CF

IOI

:

ae

£36

.

5

Q304

x

De-

Z

Q305

Q107

:

16

4

14

16

Q108,109

4

is

14

ic905

(AN6876)

Frequency

meter

Signal

indicator

on/FM

auto

iG

|

ont

|

Ooftts

FM

mono

Mauto

O

°

off/FM

mono

Sié

(FM

muting/mode)

Battery

ie

@®

IFT

+

ae

az

Q101~

103

5

;

|

vRio2

Q202

Q203

|

msnng

|

S15

(Auto

scan)

4

Quartz

lock

indicator

Q908

Q906

FM/AM

Stereo

€8)

allocation

Buffer

+5V

eye

driver

To

power

IC

selector

QI06

-

Q106

>

é

FM/AM

4 4

To

equalizer

amp.

Control

Stereo

memor:

KEY-BOARD

ImNI71

:

To

tuner

circuit

Preset

“Hi

Tuning

FM

LIL!

Memory

FM/AM

selection

Power

transformer

Rectifier

Q706

~708

IC601

To

fluorescent

display

circuit

@

(AN7060)

FM

circuit

AM

circuit

_O

e)

__s

$406

(Loudness)

$402

on on

0

$404,405

o

Oo

IC603

Power

amp.

S601

(Main

speaker)

on

Ic4or

(Tuner)

(Tape

monitor)

e

O

©)

MAIN

(SVINJM4559DS)

out

off

$404

$405

°

Q401,

403

A

$403

ute

source

$407

(Subsonic

“

Differential

7

(Phono)

_

°

o

source

filter)

pant

y=

|

° ‘

-

mR:

REMOTE

“ort

tope

|

=

a

;

a

©

Ss40l_,,

tape

2

vRaoe2

O

|

pote

3

n

faux),

2

(Volume)

re:

S602

(Remote

speaker

)

O

off

Headphones

vR4ol

S401

~

403

(Balance)

:

AUX

(Input

selector)

*

|

rREC

OUT

G@———___

a

TAPE

|

“PLAYBACK

G-

‘os

rREC

OUT

ees

fee

—_—_

TAPE2

LpLayBackG

=

'

Right

channel

as

same

as

left

channel

|

1

m

REPLACEMENT

PARTS

LIST...Electric

Parts

.

aes

Silicate

side

Ne

oe

as

aR

tag

eet

Notes:

1.

Part

numbers

are

indicated

on

most

mechanical

parts.

Please

use

this

part

number

for

parts

orders,

Areas

RRD18XK474_—

Chip,

470kQ,

—_-1/8W,

R321

leRD25rus62

Carbon,

5.6kQ,

1/4,

2.

A

indicates

that

only

parts

specified

by

the

manufacture

be

used

for

safety.

*

[M]

is

available

in

U.S.A

RRD18XK102_

Chip,

1k,

-1/8W.

R322

RRD18XK124

Chip,

120k9,

—«1/8W.

*

[MC]

is

available

in

Canada.

3.

Bracketed

indications

in

Ref.

No.

columns

specify

the

area.

Parts

without

these

indications

can

be

ERD25FJ331

Carbon,

3302,

1/4w,

R323

RRD18XK392

|

Chip,

3.9kQ,

1/8W,

Part

Name

&

Description

used

for

all

areas.

RRD18XK331_—|{Chip,

3302,

1/8W,

R324

ERD25FJ103

Carbon,

10kQ,

1/4W,

R325

RRD18XK473

|

Chip,

47kQ,

1/8W,

Foren

||

ranma,

ee

sea

RRD18XK103

Chip,

10kQ,

1/8W,

R327

ERD25FJ472

Carbon,

4.7kQ,

1/4W,

INTEGRATED

CIRCUITS

RRD18XK333__[Chip,

33kQ,

—1/8W,

R328

RRD18XK102_—|Chip,

1kQ,

—-1/8W,

RRD18XK272_{Chip,

2.7kQ,

—

1/8W,

R401,

402

RRD18XK221_—

Chip,

2202,

-

1/8W,

RRD18XK104

=|

Chip,

100kQ,

=—-1/8W,

ERD25FJ102

Carbon,

1kQ,

1/4W,

R403,

404

ERO25CKF

1003

|Metal

Film,

100kQ,

1/4w,

RRD18XK332

=

[Chip,

3.3kQ,

1/8W,

,

R405

ERO25CKF8202

|Metal

Film,

82kQ,

1/4W,

RRD18XK273_—|Chip,

27kQ,

1/8W,

R406

ERO25CKF8202

[Metal

Film,

82kQ,

1/4W,

1101

RVIUPC1018CF

|IC,

FM

IF

Amp,

AM

RF

Amp.

and

AM

ERDS5OFJ472

~—

|

Carbon,

4.7kQ,

1/2,

R407

RRD18XK271_—([Chip,

2702,

=

‘1/8W,

Converter

R101

RRD18XK102_|Chip,

1kQ,

—

1/8W,

R408

ERD25FJ271

Carbon,

2709,

=

-1/4W,

1€102

SVILA1231NS

IC,

FM

IF

Detector

R102

RRD18XK391_—|Chip,

3902,

1/8W,

R409,

410

RRD18XK680

(Chip,

680,

—-1/8W,

1301

SVIUPC1161C

IC,

FM

Multiplex

R411,

412

RRD18KX184

=

|Chip,

180kQ,

—1/8W,

1C401

SVINJM4559DD

__|IC,

Equalizer

Amplifier

R103

RRD18XK561_—

Chip,

5609,

1/8W,

R413,

414

RRD18XK123_—|Chip,

12kQ,

1/8W,

1C601,

602

AN7060F

IC,

Differential

Amplifier

R104

RRD18XK391

Chip,

390,

1/8W,

R415,

416

RRD18XK104

=

|Chip,

100kQ,

1/8W,

1C603

SVISTK2028

IC,

2

Channel

Power

Amplifier

ic901

SV1D1703C016

IC,

Micro-Computer

1C902

SVIUPB553C—E

IC,

Pre-Scaler

1C903

IC,

FL

Driver

1c904

IC,

Nand

Gate

IC,

Signal

LED

Driver

CERAMIC

FILTERS

SVFE107MM—A

[Ceramic

Filter,

FM

10.7MHz,

Red

CF

102

SVFE107MZ2—A

[Ceramic

Filter,

FM

10.7MHz,

Red

CF201

SVFSFP450HT

Ceramic

Filter,

AM

450kHz

VARIABLE

RESISTORS

EVTS3MA00B54_=—|Muting

Level

Adjustment,

50kQ

(B)

VR102

EVNM4AA00B53__

[Frequency

Meter

Adjustment,

5kQ

(B)

VR301

EVTS3MA00B14_

|PLL

MPX

Adjustment,

10kQ

(B)

VR401

EVHHMA551G25

_

|Balance

Control,

200kQ

(G)

VR402

EWJFHAO66BF5=

[Volume

Control

250kQ

(B)

VR501

EWJFCY066530

~—

{Bass

Control,

100kQ.

VR502

EWJFCOO66C15

|

Treble

Control

100kQ

(C)

R105

ERO25CKF3302

|

Metal

Film,

33kQ,

1/4W,

R417,

418

RRD18XK221

Chip,

220kQ,

1/8W,

R108

RRD18XK273

|

Chip,

27kQ,

1/8W,

R109

ERD25FJ470

Carbon,

472,

1/8W,

R419,

420

ERD25TJ124

Carbon,

120kQ,

1/4wW,

R110

RRD18XK103

Chip,

10kQ,

1/8W,

R421,

422

RRD18XK222

Chip,

2.2kQ,

1/8W,

R111

RRD18XK102

Chip,

1kQ,

1/8W,

R423,

424

ERD25TJ104

Carbon,

100kQ,

1/4w,

R112

RRD18XK153_—s|

Chip,

15kQ,

1/8W,

R425,

426

ERD25TJ393

Carbon,

39kQ,

1/4W,

R113

RRD18XK223_

_|Chip,

22kQ,

1/8W,

9

R427,

428

ERD25TJ124

Carbon,

120kQ,

1/4w,

R114

RRD18XK103

=

|[Chip,

10kQ,

1/8W,

of

|

R429

ERD25FJ331

Carbon,

33092,

1/4W,

R430

RRD18XK331_—|Chip,

3302,

1/8W,

R115

RRD18XK333_

[Chip,

33kQ,

1/8W,

R433,

434

RRD18XK822_|Chip,

8.2kQ,

1/8W,

R116

RRD18XK103

=

[Chip,

10kQ,

1/8W,

R435,

436

RRD18XK822_

Chip,

8.2kQ,

1/8W,

R117

RRD18XK223

|

Chip,

22kQ,

1/8W,

o

|

R437,

438

RRD18XK822_

=

|Chip,

8.2kQ,

—

1/8W,

R118

RRD18XK561_—{Chip,

5602,

1/8W,

|

R439,

440

RRD18XK391

=

|Chip,

3902,

1/8W,

R119

RRD18XK222_

{Chip,

2.2kQ,

1/8W,

R441,

442

RRD18XK103

=

|Chip,

10k2,

=

1/8W,

R120

RRD18XK561_—[Chip,

5602,

1/8W,

R445,

446

RRD18XK223_—|Chip,

22kQ,

1/8W,

R121

ERD25TJ473

Carbon,

47kQ,

1/4W,

R447,

448

ERD25FJ331

Carbon,

3302,

1/4W,

R122

RRD18XK103

=|

Chip,

10kQ,

1/8W,

R501,

502

ERD25FJ821

Carbon,

8202,

1/4w,

R123

RRD18XK332

Chip,

3.3kQ,

1/8W,

A

R124,

125

RRD18XK333

=|

Chip,

33kQ,

1/8W,

|

R503,

504

RRD18XK223_

|Chip,

22kQ2,

=

1/8W,

R505,

506

RRD18XK392

=

|Chip,

3.9kQ2,

1/8W,

R126

ERD25FJ472

Carbon,

4.7kQ,

1/4w,

R507,

508

ERD25FJ562

Carbon,

5.6kQ,

1/4W,

R128

RRD18XK473_—|

Chip,

47kQ,

1/8W,

@

|

R509,

510

RRD18XK102

=

|Chip,

1kQ,

—-1/8W,

R130

RRD18XK472

ss

[Chip,

4.7kQ,

1/8W,

R601,

602

ERD25FJ102

Carbon,

1kQ,

=

-1/4w,

R133

RRD18XK102_

=

[Chip,

1kQ,

1/8W,

R603,

604

ERD25TJ823

Carbon,

82k2,

—1/4W,

R134

RRD18XK153_—[Chip,

15kQ,

1/8W,

@

|

R605,

606

ERD25TJ393

Carbon,

39kQ,

—1/4W,

R135

RRD18XK823

Chip,

82kQ,

1/8W,

R607,

608

ERD25TJ393

Carbon,

39k2,

1/4wW,

R136

RRD18XK393

=|

Chip,

39k,

1/8W,

R611,

612

ERD25FJ561

Carbon,

5602,

1/4W,

R137

RRD18XK104

=

[Chip,

100kQ,

1/8W,

R613,

614

ERD25FJ470

Carbon,

472,

1/4w,

R138

RRD18XK683_—

Chip,

68kQ,

1/8W,

R139

RRD18XK272_—|Chip,

2.7kQ,

1/8W,

R615,

616

ERD25FJ222

Carbon,

2.2k2,

1/4W,

R199

ERD25TJ224

Carbon,

220kQ,

1/4w,

R617,

618

ERD25FJ272

Carbon,

2.7kQ,

1/4W,

R201

ERD25FJ331

Carbon,

3302,

1/4w,

R619,

620

A

|ERDS50FJ100

Carbon,

102,

R202

RRD18XK331

Chip,

3309,

1/8W,

R621,

622

ERG1ANJ331

Metal

Oxide,

33022,

R203

RRD18XK103_

=|

Chip,

10kQ,

1/8W,

o

|

R623,

624

ERD25TJ123

Carbon,

12kQ,

R204

RRD18XK104

=

|Chip,

100kQ,

1/8W,

@

|

R625

A

|ERD25FJ470

Carbon,

47Q,

R205

RRD18XK153_—

|

Chip,

16kQ,

1/8W,

R627,

628[M]

only

ERDSOFJ100

Carbon,

102,

R206

RRD18XK123_

|Chip,

12kQ,

1/8W,

R701,

702

ERG1ANJ122

Metal

Oxide,

1.2kQ,

R209

ERD25FJ102

Carbon,

1kQ,

1/4w,

R703

ERG1ANJ152

=

[Metal

Oxide,

1.5k2,

R210

RRD18XK101

= |

Chip

1002,

1/8W,

R704

ERD25TJ393

Carbon,

39k,

R212

RRD18XK

104

Chip,

100kQ,

1/8W,

R213

RRD18XK101

Chip,

1002,

—‘1/8W,

R705

ERD25TJ154

=

[Carbon,

150k&2,

R214,

215

RRD18XK103_

|

Chip,

10kQ,

1/8W,

R706

ERD25FJ562

Carbon,

5.6kQ,

R216

RRD18XK562_—|Chip,

5.6kQ,

1/8W,

R707

ERD25TJ473

Carbon,

47kQ,

R217

RRD18XK682_

|

Chip,

6.8kQ,

1/8W,

R708

ERD25TJ274

Carbon,

270kQ,

R218

RRD18XK153

=|

Chip,

15kQ,

1/8W,

R709,

710

ERD25FJ103

Carbon,

10kQ,

R711

ERD25FJ103

Carbon,

10k2Q,

R219

RRD18XK331

=|

Chip,

3302,

1/8W,

R713

ERD50FJ332

Carbon,

3.3k2,

R220

RRD18XK183

=|

Chip,

18kQ,

1/8W,

R717

ERD25FJ152

Carbon,

1.5kQ,

R221

RRD18XK122

=

{Chip,

1.2kQ,

1/8W,

R718

ERDSOFJ222

Carbon,

2.2kQ,

R222

RRD18XK822

=

|Chip,

8.2kQ,

1/8W,

R719

ERD25FJ561

Carbon,

5602,

R223

RRD18XK333

=|

Chip,

33kQ,

1/8W,

R224

RRD18XK103

Chip,

10kQ,

1/8W,

R720

ERG3ANJ820

Metal

Oxide,

822,

R225

ERO25CKF

1003

|Metal

Film,

100kQ,

1/4w,

R721

ERD25FJ122

Carbon,

1.2kQ,

R227

RRD18XK821_—[Chip,

8202,

1/8W,

R722

ERD25FJ821

Carbon,

8202,

R228

RRD18XK104

=

|Chip,

100kQ,

1/8W,

R723

ERG2ANJ331

Metal

Oxide,

3302,

R301

ERD25FJ220

Carbon,

22Q,

1/4W,

R724

ERD25FJ222

Carbon,

2.2kQ,

R725

ERD25FJ120

Carbon,

12Q,

R302

RRD18XK334

=

[Chip,

330kQ,

1/8W,

R726

ERD25FJ272

Carbon,

2.7kQ,

R303

RRD18XK153_—s|Chip,

15kQ,

1/8W,

R727

ERD25FJ332

Carbon,

3.3kQ,

R304

ERD25TJ153

Carbon,

15kQ,

1/4W,

R728

ERD25FJ101

Carbon,

1002,

R305,

306

RRD18XK473

=

[Chip,

47kQ,

1/8W,

R729

ERDS50FJ390

Carbon,

392,

R307,

308

RRD18XK103

=

[Chip,

10kQ,

1/8W,

R309,

310

RRD18XK103

=

[Chip,

10kQ,

1/8W,

R730

ERC12ZGK335_|Solid,

3.3M2Q,

R311,

312

RRD18XK562

=

(Chip,

5.6kQ,

1/8W,

R731,

732

ERD25FJ221

Carbon,

2202,

R313,

314

RRD18XK472

=

|[Chip,

4.7kQ,

1/8W,

R901

ERD25FJ102

Carbon,

1kQ,

R315,

316

RRD18XK104

=

(Chip,

100kQ2,

1/8W,

R902

RRD18XK821_—[Chip,

8202,

R317

RRD18XK103

=

|Chip,

10kQ,

1/8W,

R903

RRD18XK223

=

|Chip,

22kQ,

R904

RRD18XK103_—

{Chip,

10kQ,

R319

RRD18XK102

=

|Chip,

1kQ,

1/8W,

R905

RRD18XK104

=

|Chip,

100k22,

R320

RRD18XK153_—[Chip,

15kQ,

1/8W,

R906,

907

RRD18XK331_—

‘|

Chip,

3302,

TRANSISTORS

[Fansite

FM

RF

Amplifier

[FET]

2SC1674—M

Transistor,

FM

Mixer

2SC1675—-L1

Transistor,

FM

Oscillator

and

Buffer

(Use

in

ranks

L1

or

L2)

Q5,

303,

304

2SC945—P2

Transistor,

Muting

(Use

in

ranks

P1

or

P2)

Q101,

102,

106

2SC1815—Y

Transistor,

Switching,

regulator

107,

108,

109

(Use

in

ranks

Y

or

O)

203,

405,

701

707,

708,

904,

905

Q103,

104,

105

2SA1015—Y

Transistor,

Switching,

AF

Amplifier

&

202,

301,

302

Regulator

(Use

in

ranks

Y

or

O)

305,

406,

702

703,

704,

906

~

910

Q401

~

404

2SC2320L—F

Transistor,

Differential

Amplifier

(Use

in

ranks

F

or

G)

Q601,

602

2SA992

Transistor,

Pre-Driver

Q706

2SD880—Y

Transistor,

Regulator

(Use

in

ranks

Y

or

GR)

Q901,

902,

903

2SC1815—G

Transistor,

Loop

Filter

VARIABLE

CAPACI

cT1

CT201,

202

ECV1ZWO06X53N

ECV1ZW20X53N

Trimmer,

FM

Local

Oscillator

Trimmer,

AM

Antenna

COMPONENT

COMBINATIONS

2201

EXAF203Z471C

Component

Combination,

0.01MF,

(X2),

4702

Component

Combination,

0.0018uF,

100kQ2

Component

Combination

0.047uF,

102

Component

Combination

0.01uF

(X2)

Component

Combination

330pF

(X7)

Component

Combination,

100kQ

(X7)

Z301

EXPP182K104C

Z601,

602

[MC]

only

ECQJ0517

Z701,

702

RXAF

103P22HD

Z901

EXFP7331MW

2902,

903

EXBP87104K

XBA1F25NU14

x901

SVQ43U452

LAMP

a

FLUORESCENT

DISPLAY

TUBE

ir

al

SAD7MT29ZA

Fluorescent

Display

Tube

SWITCHES

S1~

12

$14

S15,

16,

407

$401

~

403

S404

~

406

$601,

602

$701

Fuse,

2.5A

(125V)

DI~3

Diode,

Variable

Capacitor

(for

FM)

D101

~

104,

202

Diode

204,

205,

709,

710,

901,

902,

904

~

917

918,

920,

926

D105,

203

Diode,

Detector

D201

Diode,

Variable

Capacitor

(for

AM)

D701

~

704

2

Rectifier

D705,

706

Diode,

16V

Zener

D707,

708,

Rectifier

713,

714,

715

D711,919,

Diode,

6V

Zener

0716

Diode,

33V

Zener

0717

Diode,

27V

Zener

D718

Diode,

6V

Zener

D921,

922,

923

Light

Emitting

Diode,

Red

0924,

925

Light

Emitting

Diode,

Green

0927

Light

Emitting

Diode,

Red

Crystal,

4.5MHz,

Counter

Oscillator

Lamp,

Frequency

Meter,

6.3V,

0.254

Switch,

Memory/Preset/FM-AM/Manual

Switch,

FM/AM

Allocation

Switch,

Subsonic,

FM

Muting,

Auto

Scan

Switch,

Input

Selector

Switch,

Tape

Monitor

&

Loudness

Switch,

Speakers

Selector

Switch,

Power

SSG1

SSS43

SSH399

SSH397

SSH3005

SSH2001

ESB90144T

Coil,

FM

Antenna

Coil,

FM

Detector

Coil,

Choke

Coil,

FM

Local

Oscillator

Coil,

Choke

Coil,

AM

Ferrite

Bar

Antenna

Coil,

AM

Local

Oscillator

Coil,

Choke

Transformer,

FM

IF

Transformer,

FM

IF,

Discriminator

RESISTORS

ERDS0TJ'823

A

1/2W,

RRD18XK472

Chip,

4.7kQ,

1/8W,

+10%

RRD18XK

104

Chip,

100kQ,

1/8W,

+

10%

RRD18XK100

Chip,

102,

1/8W,

+

10%

RRD18XK101

Chip,

1002,

1/8W,

+10%

RRD18XK472

i

1/8W,

SLI2C127

Transformer,

AM

IF

SLI2C413R

Transformer,

AM

IF

SLT5M135

Transformer,

Power

Source

Continued

on

page

24

11)

m@

PRINTED

CIRCUIT

BOARD

“>

Ground

(Earth)

lines

750

=

PITAPE

2

}4

(REC_OUT_)

(PLAYBACK)

_CREC_OUT)

(PLAYBACK)

ae

A

Tuner

circuit

To

pc.

(3)

terminal

aa

ie

BATTERIES

|(5Vx3)

—

bro

To(L20)

_

giack

le

ehle

eho

oo

—

Blue

Q5

28C945

cMigh

n

=

Equalizer

circuit

aueien

ts

Ql

yy

2SK195

SiNDRALAEGE

Q401

~

403

Q406

Q405

Eee

25C2320

2SAI015

2SC1815

IC101

s

if

13

ad

SViuPCIOISC

JERGEE

8)

0

jj

3.0

4

Top.c

BY

:

(T41t]

terminal

12g

af

0.406

rae.

T

15]

que

i

B61)

yam

Q2

2SCI674

SCI8I5

IC401

31/0]

terminal

——

a

SVINJM4559DS

$403

$402

S404

f]-12]

5]

77

21-74

[él

7.4

oe

(Phono)

(tuner)

(aux)

it

tt?

ohh

93

14.

41-13.6

181

13.6

28CI675

2SAl0l5

INPUT

SELECTOR

|

Q303,304

Qi08

,

109

2SC945

2Sclals5

25€2320

7

P..8.E

ae

To

P.C.8

@~

@

terminals

ANALOG

FREQUENCY

METER

|

0

PCB.

(115)

terminal

To

Pc.8.

Ey

@4)~

8)

terminals

ToPc.B

By

if]

terminal

To

P.¢.8.

109]

terminal

Q202

2SAI015

To

P.c.8

[THO]

terminal

Peo

$405

$404

$406

$407

S16

S15

Q104

105

Q203

Q106

,107

Ql03

2SCl8IS

[TAPE

MoniTOR

|

[Loudness]

2SCI8IS

2SAIOIS

—

[SUBSONIC

FILTER

|

[FM

MUTING/MODE

|

2SAI015

AUTO

SCAN

[13]

Technics SA-222 User manual

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