Technics SA-290 Manuale utente

ORDER

NO.

HAD8606550A2

Service

Manual

Receiver

Fa

CYUARTZ

Synthesizer

7

’

S

A

990

0)

AM/FM

Stereo

Receiver

—

=

(S)...Silver

Type

(K)

(S)

|

[EGB]...-.R

Germany.

¢

Please

use

this

manual

together

with

the

service

manual

for

model

No.

SA-290/SA-290L

(original),

Order

No.

HAD8602344C8.

¢For

parts

lists,

schematic

diagram,

printed

circuit

boards

and

exploded

views,

refer

to

the

ones

in

this

Service

Manual.

¢For

other

information,

refer

to

both

this

Service

Manual

and

the

original

Service

Manual.

TECHNISCHE

DATEN

(DIN

45

500)

@

VERSTARKERTEIL

Ausgangsspannung

Aufnahmeausgang

(REC

OUT)

150

mV

Dauerton-Ausgangsleistung

bei

1

kHz

Kanalabweichung

(250

Hz

~

6300

Hz)

+1

dB

beide

Kandle

ausgesteuert

2

<

SOW

(8

2)

Ubersprechdampfung

(1

kHz)

55

dB

Gesamtklirrfaktor

Kopfh6rerpegel

und

-impedanz

470

mV/330

Q

halbe

Nennleistung

bei

1

kHz

0,02%

(8

)

Lautsprecherimpedanz

Intermodulationsfaktor

MAIN

oder

REMOTE

40~

169

Nennleistung

bei

60

Hz:

7

kHz

=

4:1,

nach

SMPTE,

8

MAIN

und

REMOTE

80

~

160

0,5%

Leistungsbandbreite

BM

UKW-TUNERTEIL

beide

Kandle

ausgesteuert

bei

—3 dB

10

Hz

~

40

kHz

(8

2)

Dampfungsfaktor

20

(8

2)

Wellenbereich

87,50

~

108,00

MHz

Eingangsempfindlichkeit

und

-impedanz

Eingangsempfindlichkeit

Phono

2,5

mMV/47

kQ

S/R

30

dB

15

uv

(75

Q)

CD/AUX,TAPE/EXT

150

mV/22

kQ

S/R

26

dB

1,3

nV

(75.9)

Maximale

TA-Eingangsspannung

(1

kHz,

eff.)

150

mV

S/R

20

dB

1,2

uV

(75.Q)

Gerauschspannungsabstand

Nutzempfindlichkeit

nach

IHF

1,5

uV

(nach

IHF

’58,

75

Q)

Nennleistung

(8

[)

Stereoumschaltschwelle

bei

46

dB

nach

IHF

22

uV/75

9

Phono

70

dB

(nach

IHF,

A:

72

dB)

Gesamtklirrtaktor

CD/AUX,

TAPE/EXT

88

dB

(nach

IHF,

A:

95

dB)

Mono

0.15%

Frequenzgang

Stereo

0,3%

Phono

RIAA-Standardkurve,

Gerduschabstand

+0,8

dB

(30

Hz

~

15

kHz)

Mono

60

dB

(75

dB

nach

IHF)

CD/AUX,

TAPE/EXT

10

Hz

~

70

kHz(

~3

dB)

Stereo

58

dB

(71

dB

nach

IHF)

Klangregler

Frequenzgang

20

Hz

~

15

kHz

(+1

dB

~

—2

dB)

BaBregler

(BASS)

50

Hz,

+10

dB

~—-10

dB

Trennschiarfe

bei

Stérsender

+400

kHz,

65

dB

HGhenregler

(TREBLE)

20

KHz,

+10

dB

~—-10

dB

Einfangverhditnis

1,.0dB

Gehorrichtige

Lautstarkekorrektur

(Loudness)

Spiegelfrequenz-Dampfung

bei

98

MHz

40

dB

(bei

—30

dB

Ausgangsleistung)

50

Hz,

+9

dB

ZF-Dampfung

bei

98

MHz

70

dB

Matsushita

Electric

Trading

Co.,

Ltd.

P.O.

Box

288,

Central

Osaka

Japan

‘Technics

Ansprechdampfung

auf

Nebenfrequenzen

bei

98

MHz

70dB

MW-Unterdriickung

50

dB

Ubersprechdampfung

1

kHz

40

dB

10

kHz

30

dB

Tragerrest

19

kHz

—30.dB

(=35

dB

nach

IHF)

38

kHz

—45

dB

(—50

dB

nach

IHF)

Kanalabweichung

(250

Hz

~

6300

Hz)

1,59

dB

Begrenzereinsatz

1,2

uv

Bandbreite

ZF-Verstarker

180

kHz

UKW-Demodulator

1000

kHz

AntennenanschluB

75

Q

(unsymmetrisch)

@

MW-TUNERTEIL

522

~

1611

kHz

(9-kHz-Schritte)

530

~

1620

kHz

(10-kHz-Schritte)

Wellenbereiche

M@

REPLACEMENT

PARTS

LIST

Notes:

e

Part

numbers

are

indicated

on

most

mechanical

parts.

Please

use

this

part

number

for

parts

order.

e

important

safety

notice.

Components

identified

by

A\

mark

have

special

charac-

teristics

important

for

safety.

When

replacing

any

of

these

components,

use

only

manufacturer's

specified

parts.

Prerne

[Pare

oescmion

CABINET

and

CHASSIS

PARTS

SWV66

LED

Ass’y

(D206)

[aerne

[rare

owsrmion

CABINET

and

CHASSIS

PARTS

Tone

Spacer

{1)

Tone

Spacer

(1)

SHR5310—1

SHR5310

SKCA290—

SG

Cabinet

Ass'y

(1)

SHR415

SHE185

$BC315—4T

SBC315—7

Nyion

P.C.B.

Holder

Loudness

Knob

Loudness

Knob

©

SBDA290—SH

Volume

Knob

Ass’y

(1)

®

SBDA290—KM

Volume

Knob

Ass’y

(1)

©)

SGYA290-—SH

Front

Panel

Ass’y

(1)

®

SGYA290—KX

Front

Panel

Ass’y

(1)

©

SGU483V

instruction

Plate

(4)

®

SGU483!

Instruction

Plate

(t}

©

$BC571—T

Speaker

Button

(2)

®

S$BC571—10T

Speaker

Button

(2)

©

SBC6E6E6

Power

Button

(1)

®

SBC666—3

Power

Button

(1)

6

SHG6380

Rubber

(1)

7

SGX7809

Lamp

Holder

Plate

=

{1)

8

SJT347

Fuse

Holder

(2)

9

SHR9789

Volume

Hoider

(1)

10

SUX39

Shaft

(1)

11

SUW2974

Pilate

(3)

12

SMC6395

—

1

Shield

Plate

(2)

13

SHR9771-—2

LCD

Holder

(1)

14

SDU249—

1

LCD

Filter

(1)

15

SMP395

—

2

Lamp

Case

(1)

17

SUB251

Connection

Rod

(4)

18

SKUA290—KG

Bottom

Board

Ass’y

(1)

C

18-1

(

SKL293

Foot

(4)

SKCA290—KG

$BD97

SBD97—3

SUW2975

SUW2928

—

2

SJF4818

SJF3059—

14N

SJF4441—5

SGP6708A

SMC1200

SMX891

SHR127

SFDAB31E01

SHR9748

SJJ126B

Swvs0

SBC718

SBC718—1

SHR9764—6

SHR9764

—7

SHP669

—

1

SHR9794

SJE87—1

$JT30543

—

V

$JT30743—V

Cabinet

Ass’y

(1)

Tone

Selector

Knob

(3)

Tone

Selector

Knob

(3)

Plate

Speaker

Terminal

Input

Terminal

Antenna

Terminal!

Rear

Panel

Shield

Plate

Sheet

Bushing,

AC

Cord

AC

Cord

P.C.B.

Holder

Headphone

LED

Ass’y

(D551~-560)

Selector

Button

(4)

Selector

Button

(4)

Spacer

(3)

Spacer

(3)

Spacer

(1)

Speaker

(1}

Cord,

FM

Antenna

=

(1)

Socket

(5P)

(1)

Socket

(7

P)

(1)

Eingangsempfindlichkeit

(S/R

20

dB)

20

BV,

330

uV/m

Trennscharfe

55

dB

Spiegelfrequenz-Dampfung

40

dB

ZF-Dampfung

55

dB

@

ALLGEMEINE

DATEN

Leistungsaufnahme

270

W

Netzspannung

Fur

Kontinentaleuropa

Wechselstrom

50

Hz/60

Hz,

220V

Abmessungen

(B<HxXT)

430

X

97

k

243

mm

Gewicht

5,3

kg

(Die

technischen

Daten

kénnen

infolge

von

Verbesserungen

ohne

Ankiindigung

geandert

werden.)

e

The

parenthesized

numbers

in

the

column

of

description

stand

for

the

quantity

per

set.

e

(©-marked

parts

are

used

for

silver

type

only.

(«)-marked

parts

are

used

for

black

type

only.

@

Part

other

than

©-

and

®-marked

are

used

for

both

black

and

silver

types.

[aetne

[penne]

beeton

SCREWS

XTB3+8G

Tapping,

©3x8

(9)

XTBS3+8JFZ1

Tapping,

©3x8

(24)

XTW3+

8T

Tapping,

©3x8

(7)

XTBS3+

16F

1

Tapping,

(3

x

16

(2)

SNE2095

—

4

Cabinet

(2)

SNE2095—5

Cabinet

(2)

Transistor

Power

IC

SNE2117-1

SNE2118

XTBS3+8FFZ1

Tapping,

©®3x8

SQF

12685

Instruction

Book

SSA270

FM

Antenna

SSA902—5

Loop

Antenna

SMA231

Holder

SMA233—1

Holder

XTN3-+

10AFZ

Screw,

©3

x10

SPP719

Polyethylene

Bag

SPS4432—3

Pad,

Left

Side

SPS4433~—3

Pad,

Right

Side

SPS4670

Pad,

Front

SPS4693

Pad,

Upper

$PG5530

Carton

Box

©)

SJK1414

Label

(Silver

Only)

1

mM

EXPLODED

VIEWS

[rate

[Penne

[vane

m@

REPLACEMENT

PARTS

LIST

[Tren]

rere

[rome

R725

ERDS1FJ681

680

R707

ZA.

ERDS1FJ152

Notes:

©

Part

numbers

are

indicated

on

most

mechanical

parts.

e

The

unit

of

resistance

is

OHM

(Q).

se

ag

ie

Selly

ean

de

aie

al

alae

ath

Bs

Sis

ates

oy

ogee

Dee

ule

Dall

REMmDar

1Or

pelts

ClGer,

K=

10000,

M=1000kQ

—

R561,562

ERDS2TJ224

220K

| |

625,626

—-

ERDS1FJ100

R709

ERDS2TJ102

R903

ERDS2TJ561

560

e

Important

safety

notice.

e

The

unit

of

capacitance

is

MICROFARAD

(uF).

R563,

564

ERDS2TJ333

33K

| |

R627,

628

ERDS1FJ331

R710

ERDS2TJ272

R906

ERDS2TJ332

3.3K

Components

identified

by

/\

mark

have

special

charac-

P=106uF.

R565,

566

ERDS2TJ153

15K

R630

ERD25FJ221

R711

ERDS2TJ222

R907

ERDS2TJ473

47K

R908

ERDS2TJ103

10K

R909

ERDS2TJ562

5.6K

R910

ERDS2TJ681

680

R912

ERDS2TJ102

1K

ERDS2TJ221

R633

ERDS2TJ153

R567,

568

ERDS2TJ472

4.7K

R569,

570

ERDS2TJ271

270

R601,

602

ERDS2TJ102

1K

R603,

604

ERDS2TJ223

22K

R609,

610

ERDS2TJ223

22K

R712

ZA.

ERDS1FJ561

teristics

important

for

safety.

When

replacing

any

of

these

components,

use

only

manufacturer’s

specified

parts.

R634

ERD25FJ151

R636

ERD25FJ1RO

R671,

672

ERDS2TJ561

R701,

702

ERX1ANJR22

R713

ERDS2TJ221

R714

Z\

ERD25FJ470

R715

ERDS2TJ223

R716

ERG2ANJ471

R611,

612

ERDS2TJ821

820

R703

ERD25FJ181

R719,

720

ERDS2TJ124

ERDS2TJ101

Numberin

m

Resistor

i

R613,

614

ERDS2TJ682

6.8K

| |

R704,

705

ERDS2TJ393

R721

ERDS2TJ153

u

g

Syste

of

Resist

Numbering

System

of

Capacitor

R615,

616

ERDS2TJ682

6.8K

|

R706

ERG2ANJ220

R722

ERDS2T473

Example

!

ERD

25

F

J

101

ECKD

1H

102

Z

F

Type

Wattage

Shape

Tolerance

Value

Type

Voltage

Value

Tolerance

Peculiarity

Type

Voltage

Peculiarity

use

Value

Special

use

INTEGRATED

CIRCUITS

COILS

VARIABLE

CAPACITOR

Resistor

Type

Wattage

Voltage

IC1,

501

AN6558F

IC

L110

SLA4Z13—Z

Coil

CT201

ECRHA010A41__—Variable

Capacitor

Type

Telerakce

10201

AN7273A

IC

L115

ELEPH1R2MA

_—

Choke

Capacitor

ERD:

Carbon

so.

-4/4w

ld:

45%

ECEA

Tvpe

|

Other

1C301

AN7470

IC

L204

SLA2B1—1M

AM

Antenna

$1

‘10

.

yP

10551,

552

AN6882

IC

L205

SLO2B7—M

AM

OSC

COMPORNENT

COMBINATIONS

1601

SV13001

IC,

Power

L210,

211

ELEPH1ROMA

Choke

:

Electrolytic

OJ:

1H

:

50VDC

:

+0.25pF

10701

AN7072N

IC

L301

SLM1B1—P

LPF.

2301,

302

EXRP102K473T

0.001uF,

47k

-

Ceramic

1A:

1

:125VDC

-

45%

1C901

UPD1718G512_

IC

L302,

303

SLM5B2—1P

—LLP-F.

jf

L601,

602

SLQY07G—40

Choke

SWITCHES

-

Ceramic

1c:

>

£10%

TRANSISTORS

L701,

702

A.

SLOQX400—D

—

Choke

L901

RLQY25S5—0

Choke

$501~504

SSH498

Input

Selector

:

Polyester

1E

SF:

:

+80%,

—20%

:

Polypropylene

:

Q205

2SC1685—QNC

Transistor

$601,

602

$SH2120

Speaker

Q206

2SA1175FE

Transistor

L902

ELEPK1R2MA

Choke

Selector

Q207

2SC2785F

Transistor

S603

SSH1159

Loudness

Q208,

209

2SA1175FE

Transistor

TRANSFORMERS

Selector

@

CAPACITORS

Q210

2SC2785F

Transistor

S604

A

s8S164

Impedance

Q211,

212

2SC2787L

Transistor

SLI2B101—M

Transformer

Selector

|

RefNo.

|

PartNo.

|

Value

|

Q213,

214,

702

2SC2785F

Transistor

T202

SLI4B511—Z

FM

IFT

S701

Z\

$SSH1071

Power

Source

Q701

2SD12650

Transistor

T203

SLI4B513—Z

FM

IFT

$901~911,

$$G13

Input

Selector

C1,

2

ECEA1HU3R3

3.3

ECFTD183KXL

C507,

508

ECEA1EU100

C701

ZA.

ECKDKC103PF2

0.01

Q703

25C1384NC—R

Transistor

1701

A.

SLT5M469

Power

913~915

C3,

4

ECCD1H101K

100P

ECEA1HU2R2

C509,

510

ECCD1H680K

C702

ECQE1105KZ

1

Q704

2SA992E

Transistor

Transformer

=e

C5,

6

ECKD1H102KB

_—0.001

ECEA1HU4R7

C511

ECKD1H103ZF

C703,

704

ECETS1HV822U

8200

C7,

8

ECFTD223KXL

0.022

ECEA1CU100

C512

ECEA1CU330

C705

ECEA0JU470

47

Q705,

706

2SA1175FE

Transistor

CERAMIC

FILTERS

|

C9,

10

ECFTD682KXL

0.0068

ECEA1HU010

C513,

514

ECFTD332KXL

0.

C707

ECEA1HU470

47

Q707,

901,902

28C2785F

Transistor

C11,

12

ECEA1HU010

1

ECKD1H103ZF

C515,

516

ECFTD333KXL

0.

C708

ECEA1VU4R7

47

Q905

2SA1175FE

Transistor

SVFE107MS8—A

FM,

10.7MHz

C13,

14

ECEA0JU330

33

ECEA1CU100

C517,

518

ECFTD183KXL_

_O..

C709

ECEA1VU470

(Red)

RELAY

C51,

52

ECCD1H180K

18P

ECKD1H101K

C519,

520

ECFTD104KXL

11

|

c710

ECKD1H103ZF

CF201,

202

SVFE107MS8—D

FM,

10.65MHz

C53,

54

ECKD1H221KB

220P

ECKD1H223Z2F

_O..

C521,

522

ECQE1104KN

1

|o71

ECEA1AU101

=m

RibBoe

Sa

ceteris

va

ile:

RL701

SSY129

Relay

ECCD1H101K

100P

ECKD1H103ZF

C523,

524

ECKD1H331KB

C712,

713

ECKD1H103ZF

mo02

308

NEVES

ap

aie)

WQUID:

CRYSTAL

DISPLAY

ECCD1H101K

100P

ECKD1H223ZF

0.

C551,

552

ECEA1HKSR22

C714

ECKD1H103ZF

D204

LN846RP—C

Diode

CF203

SVFSFZ450F7L

AM,-450kHz

C119

ECKD1H103ZF

0.01

ECCD1H220K

C553,

554

ECEA1HKS2R2

C715

ECEA1EU101

D206

SLV31VC3

Diode

LCD

SALHLC9225—3

Frequency

C122

ECKD1H223ZF

0.022

ECEA1HU010

C555,

556

ECFTD822KXL

0.

C716

ECEA1CU471

D207

1SS254

Diode

CRYSTAL

Display

C151

ECCD1H330CC

-.33P

ECCD1H101K

C601,

602

ECEA1HN4R7S

7|

10718

ECEAQJU101

0209

MA4110M

Diode

C152

ECKD1H103ZF

_—-

0.01

ECEA1CU101

C603,

604

ECCD1H101K

C901

ECEA25M4R7R

mraaueey

nee

hens

LAMPS

C201

ECQM1H473JZ

_—-0.047

|_|

C304,

305

ECEA1HU3R3

3.3]

|

C605,

606

ECKD1H331KB

C902

ECKD1H103ZF

a

i

C202

ECCD1H120JCY

12P]

|

C306,

307

ECQM1H272JZ

0.0027]

|

C607,

608

ECEA1HU330

C906

ECCD1H470K

D551~560

SLV31VT3M

Diode

VARIABLE

RESISTORS

PL1

ZX

XAMR83S150A

—

Lamp

C203

ECQP1471JZ

470P

|

C310

ECQP1471UZ

470P

|

C609,

610

ECCD1H100KC

C907

ECCD1H100KC

D561~563

LN846RP

—C

Diode

PL2

ZX

XAMR78S150

—s

Lamp

C204

ECQP1391JZ

390P

|

C311

ECEA1HU010

1]

|

C611,

612

ECEA1HN3R3S

C908

EECF5R5U473

VR301

QVNB3A00B472

Variable

ECEA1HU3R3

3.3]

|

C312

ECFTD473KXL

0.047]

|

c615

ECEA1HN100S

C910

ECEA0JU471

D564

LN446YP—C

Diode

Resistor,

FM

FRONT

END

|

D565,

566

MA29WA

Diode

4.7kQ

ECKD1H103ZF

0.01

C313

ECEA1HU3R3

3.3

C617

ECEA1HU330

C913

ECKD1H103ZF

D567,

568

MA165

Diode

VR302

QVNB3A00B474

Variable

SNVFE306G19

FM

Front

End

C209

ECCD1H470K

47P|

|

C314

ECEA1HUR47

0.47]

|

C618

ECEA1JU220

C914

ECCD1H150KC

D701~704

AX

SVDS3V40

Rectifier

Resistor,

Pack

C211

ECKD1H223ZF

0.022

|_|

C315

ECKD1H103ZF

0.01}

|

C619,

620

ECKD1H473ZF

C915

ECEA1HU3R3

D705,

707~709

=1SS254

Diode

470kQ

C212

ECCD1HO80CC

BP}

|C331

ECEA1CU330

33]

|

C643

ECKD1H102ZF

C916

ECEA1HU010

D710

ZV

SVDSR1K2

Rectifier

VR501

EWAPBAX05B15__—-

Variable

C213

ECCD1H470K

47P

|

C333,

334

ECQM1H472JZ

0.0047]

|

C646,

647

ECKD1H221KB

C918

ECCD1H121K

D711

MA4062M

Diode

Resistor,

C214

ECEAQJU101

100

|

C407,

408

ECKD1H103ZF

—-

0.01

|_|

C651,

652

ECKD1H103ZF

c921

ECEA1CU221

D712

MA4160M

Diode

100

kQ2

(B)

C215

ECEA1HU4R7

4.7|

|

C501,

502

ECCD1H101K

100P

|

C653,

654

ECKD1H103ZF

C922

ECKD1H103ZF

0713,

714

MA4120—M

Diode

VR502

EWANF5X05G15_—-

Variable

C216

ECKD1H103ZF

0.01}

|

C503,

504

ECEA1HU3R3

3.3]

|

C661,

662

ECKD1H103ZF

C930

ECEA1HU010

D901

MA4110M

Diode

Resistor,

ECKD1H223ZF

0.022

C505,

506

ECCD1H390K

39P

C663,

664

ECKD1H103ZF

100

kQ

(G)

D902~913

1$S254

Diode

VR503,

504

EWANAGX05C15_—

Variable

Resistor,

100

kQ(C)

D915,

916

MA162A

Diode

D920

1$S$254

Diode

@

RESISTORS

R211

ERDS2TJ101

R240

ERDS2TJ102

R331,

332

ERDS2TJ822

R212

ERDS2TJ561

R241

ERDS2TJ471

R333,

334

ERDS2TJ102

R213

ERDS2TJ151

R242

ERDS2TJ123

R501,

502

ERDS2TJ474

R214

ERDS2TJ471

R243

ERDS2TJ222

R503,

504

ERDS2TJ102

R215

ERDS2TJ223

R248

ERDS2TJ471

R505,

506

ERDS2TJ474

R216

ERDS2TJ563

R249

ERDS2TJ153

R507,

508

ERDS2TJ392

R217

ERDS2TJ471

R250

ERDS2TJ562

:

R509,

510

ERDS2TJ821

R218

ERDS2TJ822

:

R251

ERDS2TJ221

R511,

512

ERDS2TJ223

R219

ERDS2TJ104

R252

ERDS2TJ104

R513,

514

ERDS2TJ332

R220

ERDS2TJ153

R261

ERDS1FJ104

R515,

516

ERDS2TJ393

R1,

2

ERD10TLJ391U

R3,

4

ERD10TLJ224U

R5,

6

ERO1OMKG5622

R7,8

ERD10TLJ271U

R9,

10

ERD10TLJ680U

R11,

12

ERD10TLJ184U

R13,

14

ERD10TLJ123U

R15,

16

ERD10TLJ563U

R17,

18

ERD10TLJ102U

R51,

52

ERDS2TJ471

R221

ERDS2TJ122

:

R262

ERDS2TJ103

R517,

518

ERDS2TJ393

R223

ERDS2TJ473

R263

ERDS2TJ123

R519,

520

ERDS2TJ222

|

R224,

225

ERDS2TJ103

R301

ERDS2TJ221

R521,

522

ERDS2TJ183

R228

ERDS2TJ474

R304,

305

ERDS2TJ223

R523

ERDS2TJ331

R229

ERDS2TJ331

R307,

308

ERDS2TJ272

R551,

552

ERDS2TJ151

R230

ERDS2TJ824

R309,

310

ERDS2TJ562

R553,

554

ERDS2TJ121

R231

ERDS2TJ471

R313

ERDS2TJ153

R555,

556

ERDS2TJ271

R232,

233

ERDS2TJ273

R314

ERDS2TJ123

R557

ERDS2TJ821

R234,

235

ERDS2TJ104

R315

ERDS2TJ102

R557A

ERDS2TJ272

R239

ERDS2TJ334

R317,

318

ERDS2TJ103

R558

ERDS2TJ681

R61,

62

ERDS2TJ102

R65,

66

ERDS2TJ102

R121

ERDS2TJ562

R131

ERDS2TJ151

R204.

ERDS2TJ102

R205

ERDS2TJ104

R207

ERDS2TJ821

R208

ERDS2TJ563

R209

ERDS2TJ182

R210

ERDS2TJ121

_

Sar

ee

Oo

Tae

eR

cF20I

Q213

R233

__.____

______

___FM_FRONT

END

(SNVFE306G19)

ae

2SC2785F

27K

°

d

SWITCHING

|

FET

Q1

[ae

2SX193

2SC2668

C3/co!

AM

IFT

—

tao!

5

|

Coil

(fo.

=

as

gS

R308

C304

|

R2

22

|

0

2.7K

OV

3.3

Q2il,

212

2SC2787L

FM

IF

AMP

R307

C305:

2.7K

50V3.3

:

+4

:

TP201

N>pn

on

5

34*

©)

red

D4

t

t |

H

|

+

Os

ad

3507

LZ

ey

_OF

NRO

1

=

N

2

TS

C3

OP—10P

Bam

Bae

>

hy:

Fea

R301

220

Tee

ine

0.01

GNol

a

4

Signal

|

1303,

|

S

(4)

Vt

oO

©

D1-D3:1SV103

|

ANT7273A

l

FM

IF

DET

|

&AM

CONV

|

Q206,208,209

Q207,

210

a

2SAI175FE

2SC2785F

ee

a

ee

a

Pe

Og

ee

SELECTOR

SWITCHING

Off-Set

Voltage

ha

D201

KvI260z

wy

=

S0V3.3

1¢301

TP

101

|

a

ue

g

UPCIIGIC3

2

&

MPX.

or

AN7470

R334

1K

zi

os

vcO

8s

(FM

SEPARATION

Adj)

owt

<x

AM

ANTO

=

AM

ANT

Trimmer

AM

Signal

2SC2785F

@

MUTING

AM

LOOP

ANT

R248

0207

Q205

2SC1I685

SWITCH

(SIGNAL)

R555

R569

270

2

D513

0206

SLV3IVC3

MA4062H

Dp)

PLL

CONTROLLER

R55!

150

R251

220

DSI!

MA4062H

(L

ch)

PHONO(O

Q901,902

4.3

2$C2785

~~

=*39)

FM/AM

LOOP

FILTER

IC90!

om

sec

;

}

2SAII75

uPDITI8G512

pela

SWITCHING

PLL

CONTROLLER

5Vp-p

REC

OUT

O#*

D903

188254

10m

sec

TAPE/EXT

pp

or

MA

ISS

D551.

556

D202

LL

AYBACK

©

a0

Oot

leases

SLV3IVC3

LN446YP

On

ny

OF

ao

;

(R

ch)

PHONO

(O

IC

551,

552

AN6882

LED

DRIVE

CD/AUX

REC

OUT

TAPE/EXT

L

pLayBack@©

1$S$

254

or

MAI65

R564

0566

D

R568

C556

0.0082

SIGNAL

GND

_

STRENGTH

LED

Og!

ISS

254

or

MAI65

“i

Refer

To

Note

2

R562

R566

PHONO

EQUALIZER

Q213

R233

C219

D561~

563

2SC2785F_2/K

50v2.2

C13.

oR?

Cc?

c9

LN846RP

ee

SWITCHING

a

6V33

270

0.022

0.0068

D564

PECL

0

5

LN446YP

AM

IFT

T201

5

he

RI

cl

Coil

io

eo

1,

36e=

R308

C304

390

50V3.3

v

(1.6)

2.7K

0V3.3

:

g

BO

Bors

on

3

:

2

Céls

R630

Lech

=

_

S5OvI0

0705

220

7L

Signal

ay

3

a

ao

EB

-

R307

C305:

o

&

2.7K

50V3.3

:

IC

|

=

202

=

+47)

AN6558F

<=,

*

Rech

EQUALIZER

&

Signal

£303,

AMP

a

AN7273A

FM

IF

DET

&AM

CONV

x g

° °

6

~2

=2

So

OS

f

=

7)

wo

210

$502

a

<a

s[

2

oe

T85F

(Tuner)

a

19

=e

su

Ro

~e

0

Oo

a

NG

= >

Off-Set

Voltage

R6!2

C608

6313

raalelar

50V3.3

1¢C301

MPCIIEGIC3

R242

12K

MPX

or

AN7470

pepe

nnn

vco

~

x

R3

>

(FM

SEPARATION

Adj)

at

28

SES

os

aS

a

Tse

«35

ox

fo

load

=)

2SC2785F

MUTING

(BALANCE)

VR502

1OOKG

Ic

50l

R248

D207

°

AN6558F

=

TONE

CONTROL

AMP

Q205

ia

2SC!I685

i

SWITCH

(SIGNAL)

Gore

R555 R569

270

Dp)

PLL

CONTROLLER

sss

[ss

esas

fa

bra

Bay

ET

TEI

TAGY

D513

MA4062H

R551

150

0206

SLV3IVC3

49V

|

R25!

220

DSil

MA4062H

MUTING

&

DETECTION

-Lorsaao

ox

farms

VER

LOAD

DET

C)—2)

OOO)

7)

0)

-

45.0

#89485

yt

$603

(LOUDNESS)

[on

O

11.8

V)

155V

[5.7.V

Q70I

—

25D

12650

REGULATOR

rad

0551-556

D202

O

°

SLV3IVC3

LNaaeyP

83

38

[e

(R

ch)

;

33

58

we

Be

15.5

“i

o

S604

|

40=—

81),

icy

PHONO

©

Q703

9

28

ve

(IMPEDANCE),

O-3

©

S

Ro

Oo”

\

1C551,

552

seek

*

°3

o§

AN6882

CD/AUX

(©

2SC2785F

LED

DRIVE

xls

36

REGULATOR

-T

|

a

or

|

REC

OUT

©

2SCIZ84NC

ots)

Co

©)

TAPE/EXT

a

REGULATOR

x

}

LpLaYBACK

O

=

P14

9V)

as

=

R564

0566

S

epee

rear

Sey

NY

NS

(UU)

CU)

z

3|¢

GND

8]

:

ey.

A

Sa

8

car

deals

QJ)

:

(co

A

FRONT.

PAN

worr

wo

©

Clio

Oo

:

H

ae

c

3

ee

a5]

7

ee

hike

LAMP

em

ee

12

13

14

15

16

17

18

19

H@

SCHEMATIC

DIAGRAM

Note

1:

Ds61~563

MAIN

1.

$501~S$503

:

Input

selector

switch

in

“tuner”

position.

D564

¢609_

IOP

R719.

120K

$501

——

phono

$502

——

tuner

|

LN446YP

igi...

$503

—

CD/aux

i

kc

2.

$504

:

Tape

monitor

selector

switch

in

“source”

position.

==

tape/ext,

Mi

source)

a

ees

MAIN

3.

$601

:

Main

speaker

switch

in

“‘on”

position.

wn

Seg

aa

ce,

|

(mon,

M

off)

Ee

E

Bo

R

ch

4.

$602

:

Remote

speaker

switch

in

“off”

position.

>

Oo

(mon,

Hf

off)

SPEAKERS

5.

$603

:

Loudness

switch

in

“off”

position.

BS

(mon,

Mf

off)

C663

S++)

6.

$604

:

Speaker

impedance

switch

in

“4~6Q”

position.

L

ch

7

(4~60

@—

8~16Q)

;

Q

S

REMOTE

7.

$701

:

Power

switch

in

‘‘on”

position.

SVI

3001

oe

(mon,

&

off)

2H-POWER

AMP

“7

=)

cee4

R

ch

«|

0.01

&

8.

$901~S908

:

Preset

tuning

switch.

e

‘s

©

$901

——-

CH1/CH9

S902

——

CH2/CH10

8

SPEAKER

SELECTOR

S903

——

CH3/CH11

$904

——

CH4/CH12

oe

=e

2.

$905

——

CH5/CH13

S906

——

CH6/CH

14

oT

(Tuner)

ee

S4

|

33

g

;

S907

—CH7/CH15

$908

——

CH8/CH16

:

gE

=

8S

R626

1/210

D708

(S911

——

FM,

S913

——

AM)

12.

$914,915

:

Tuning

switch.

(S914

——

up,

$915

——

down)

13.

<==)

FMsignalline

m=

AM

signal

line

FM

OSC

coment:

AF

signal

line

nae

AM

OSC

Positive

and

negative

voltage

line

14.

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.

e

Indicated

voltage

values

are

the

standard

values

for

the

unit

measured

by

the

DC

electronic

circuit

tester

(high-impedance)

with

the

chassis

taken

as

standard.

Therefore,

there

may

exist

some

errors

in

the

(HEADPHONE)

voltage

values,

depending

on

the

internal

impedance

of

the

DC

circuit

Pb

ite

eto

tester.

a

All

voltage

values

shown

in

circuitry

are

DC

voltage

in

FM

signal

$503

(CD/Aux)

J3

:

fo

eae

9.

$909

:

Memory

switch

in

‘‘manual’”

position.

Ug

(2)

Lo

oO

S602

(manual

——

auto)

»

.

|

ont

rie

10.

$910

:

FM

mode

selector

switch

in

‘‘mono”’

position.

&

ae

Ld!

iE

,

(auto

——

mono)

Pe

eH

_

;

11.

$911,913

:

Band

mode

selector

switch

in

“FM”

position.

vig

{D713

0714

aweeo

|MA4120-M

D713

Signal

(BALANCE)

VR502

1OOKG

IC

50I

AN6558F

TONE

CONTROL

AMP

Q704

2SA992

RELAY

DRIVE

=

5

l|

‘eae

¢

S)

©)

C643

0.001

1/2

330

A

r627

Q707

Q705,706

; ;

re

=

2SC2785

2SA1175

(Monaural

signal)

reception

mode.

=

MUTING MUTING

Figures

in

(

)

stand

for

DC

voltage

in

AM

signal

reception

mode.

Original

Part

No.

Supplyment

Part

No.

D915,

D916

MA150

MA162A

D701~704

SVDS3V20

SVDS3V40

Note

2:

MUTING

&

DETECTION

(VOLUME)

AC

220V

$603

A

50/60Hz

(LOUDNESS)

R722

47K

AC

INLET

R521

18K

@

Use

of

ceramic

filters

in

pairs

The

ceramic

filters

(CF201,

CF202

and

CF203)

for

FM-IF

circuit

&

Lily

[5.7

V]

C704

Q701

taal

We

x.

a

&

are

available

in

two

ranks.

For

this

machine,

be

sure

to

use

the

=

ea

ena

96)

Eee

(44)

@

a

ceramics

of

the

same

rank

in

a

pair.

75

y

15.5

2.

ON

28

=

a)

a

eae

At

repairing

and

replacement,

pay

close

attention

to

the

diode

YL

©

7

.

°

9

8

~=

[deem

eo

lie

a

(D915,

D916)

for

use

as

different

diodes

must

be

used

depending

K

os]

58

ream

3)4—-C_)

0

on

each

rank

of

the

ceramic

filters.

185

:

|

;

i

ioe

Q703

°

2

S

Te

One.

Y

=

et

i

4

>

2

8

&

0702

2SC2785F

REGULATOR

He

es

ae

2SCIS84NC

REGULATOR

MA4062mM

=

28

x

<6

cE

g

,

Se

|

SOT

YW

=z

is

(U))

A

(U)

Note:

©

Mark

Diode

is

used.

4

PL2

A

PLI

lark

Diode

is

not

used.

ale

LCD

FRONT

PANEL

X

Mark

Diod

2

ch

SRIK2

LAMP

uo

1

2

3

4

5

6

7

S

@

PRINTED

CIRCUIT

BOARDS

A

QUARTZ

LOCK

Eure:

LED

P.C.B.

FI

SIGNAL

STRENGTH

LED

P.C.B.

2B

(QUARTZ

LOCK)

(FM)

BAND

C

SELECTOR

7

|

SPEAKER

SELECTOR

P.C.B.

|

!

|

)

1701

!

D

|

!

|

:

!

:

]

of

|

)

|

7

:

!

E

(REMOTE)

(MAIN)

SPEAKERS

J

INPUT

SELECTOR

LED

P.C.B.

F

(PHONO)

(TUNER)

(CD/AUX)

(TAPE

MONITOR)

(CH3/11)

CH8/16

CH7/15

CH5/13)

,

ae

(CH4/12)

FM/AM

16ch

RANDOM

PRESET

TUNING

(CH6/14) (CH2/10)

'@

MAIN

P.C.B.

PLL

CONTROLLER

P.C.B.

fil

(REC

OUT)

(PLAYBACK)

NAL

STRENGTH

LED

P.C.B.

TP201

SELECTOR

L302

|

| |

l

ra

|

4

14

'

1

|

1

|

'

|

($504)

(TAPE

MONITOR)

|

(S501)

|

(S502)

}

|($503)

(PHONO)

(TUNER)

(CD/AUX)

INPUT

SELECTOR

(CH7/15

(CH1/9)

|

(CH6/14)—

(CH4/12)

(CH2/10)

FM/AM

16ch

RANDOM

PRESET

TUNING

(CH8/16)

TT

‘s60s)

o>

=

12

13

14

15

16

17

18

19

20

21

'4@

MAIN

P.C.B.

a

[Gn

}

pLaPevext

J

EXT

,

=

SPEAKER

Al

(REC OUT)

(PLAYBACK)

PHONO

EQUALIZER

P.C.B.

2

TP201

TP

101

128

L302

|

|(sso1)

|

(3502)

|

|(s503)

ia

BALANCE

TREBLE

BASS

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Technics SA-290 Manuale utente

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