Sony TA-F4A Manuel utilisateur

GENERAL

Power

Requirements:

Power

Consumption:

Dimensions:

Weight:

AMPLIFIER

SECTION

Continuous

RMS

Power

Output:

(Less

than

0.3%

THD,

both

channels

driven

simultaneously)

AEP

Model

INTEGRATED

STEREO

AMPLIFIER

SPECIFICATIONS

220V

(or

120V

internal

rewiring),

50/60

170W

Approx.

410

(w)

145

(h)

310

(d)

165/16

(w)

53/4

(h)

1/5

(d)

inches

including

projecting

parts

and

controls

Approx.

7.2kg,

(net)

Approx.

9kg,

(with

shipping

carton)

1kHz

40+

40W

(8)

26—20,000

40W

(829)

According

DIN

45500

45+

45W

(8)

SAFETY-RELATED

COMPONENT

WARNING!!

COMPONENTS

IDENTIFIED

SHADING

AND

MARK

THE

SCHEMATIC

DIAGRAMS,

EXPLODED

VIEWS

AND

THE

PARTS

LIST

ARE

CRITICAL

SAFE

OPERATION.

REPLACE

THESE

COMPONENTS

WITH

SONY

PARTS

WHOSE

PART

NUMBERS

APPEAR

SHOWN

THIS

MANUAL

SUPPLEMENTS

PUBLISHED

SONY.

Power

Bandwidth:

Damping

Factor:

Harmonic

Distortion:

(60

Hz:

kHz

4:1)

Frequency

Response:

Residual

Noise:

5—35,000

Hz,

IHF

(82,

1kHz)

Less

than

0.3%

rated

output

Less

than

0.1%

output

Less

than

0.3%

rated

output

Less

than

0.1%

output

PHONO

RIAA

equalization

curve

+0.3dB

TUNER

AUX

TAPE

(REC/PB)

Less

than

300uV

(89,

network

5—100,000

0.50B

—

Continued

page

—

SON

Y.:

SERVICE

MANUAL

TA-F4A

Inputs:

Maximum

Input

S/N

Sensitivity

Impedance

Capability

{0.2%

distortion)

(weighting

network,

input

level)

2.5mV

150

nee

{-50

dB)

(-14.5dB)

(A,

2.5mV)

TUNER

AUX

TAPE

(REC/PB)

150

(-14.5

dB)

Outputs:

Output

Level

Impedance

150

REC

OUT

(-14.5

dB)

4.7k2

REC/PB

poe

82k2

Accepts

low

and

high

impedance

stereo

headphones

SPEAKER

Accepts

speakers

8-162

HEADPHONES

Tone

Controls:

Filters:

BASS

+10dB

(turnover

frequency

300

Hz)

TREBLE

+10dB

25kHz

(turnover

frequency

kHz)

LOW

6dB/oct.

below

HIGH

6dB/oct.

above

kHz

0dB=0.775V

1-1.

SERVICING

NOTE

SECTION

OUTLINE

When

replacing

knob

(

SPEAKERS

TREBLE

BASS/BALANCE/FILTER/TAPE

COPY/MONITOR/

FUNCTION),

prepare

knob

cap

(4-854-266-00)

and

knob

mold

(4-854-267-00).

Installation

the

knob

follows.

SPEAKERS

Coincide

slit

with

mark.

Knob

Mark

Position

TAPE

COPY

MONITOR

slit

FUNCTION

Turn.

knob

mold

1-2.

BLOCK

DIAGRAM

Sate.

S$2-1

FUNCTION]

[MONITOR

TUNER

J101

£Q

AMP

PHONO

PHOWO

Qlol~

103

J102

Tua]

4103

[TAPE

COPY

rare

“o

TAPE

1-2

31-1

SOURCE

OTAPE

2~1

TAPE

105

REC

OUT

O-

o=hO

TAPE

CNJ4

$3-2-|

TAPE

CREC/PB)

SOURCE

BALANCE

R-CH

OMITTED

TAPE

201

RV1

VOLUME

}

OTAFE

ORIVE

AMP,

B+

RIPPLE

AMP,

FILTER

ato4

DRIVE

AMP,

B-

RIPPLE

AME,

FILTER

Q105

POWER

AMP

Q201

DRIVE

AMP

1¢

204

POWER

AMP

Q202

TA-F4A

—@

necessary,

widen

the

slit.

Coincide

with

the

mark

and

install

the

knob

cap.

knob

cap

Part

No.

Description

X-4854-213-1

Knob

Ass’y

including;

4-854-266-00

Cap,

knob

4-854-267-00

Mold,

knob

POWER

AMP,

B+

POWER

AMP,

SPEAKERS

101

[SPEAKER

102

SPEAKER

3401

fo]

HEADPHONES

EH)

TA-F4A

SECTION

DISASSEMBLY

Note:

the

disassembly

procedure

the

numerical

order

given.

CASE

AND

BOTTOM

COVER

REMOVAL

Case:

The

component

side

the

speaker

board

and!

main

amp

board

can

checked.

Both

side

the

amp

board

can

checked.

Bottom

Cover:

The

conductor

side

the

main

amp

board

can

checked.

screw,

BW4x12

BVTT

3x6

screw,

©)

4x12

BVTT

3x6

FRONT

PANEL

REMOVAL

The

POWER

switch,

meters

and

variable

resistors

can

replaced,

after

removing

the

front

panel.

METER

LAMP

REPLACEMENT

Note:

obtain

the

same

brightness

meter

lamps,

replace

both

lamps

(L-CH

and

R-CH)

together

with

new

ones.

C1)

adhesive

tape

(transparent)

C3)

knobs

(with

2mm

L-shaped

hexagona/

wrench)

1-518-309-00

meter

lamp

BVTT

3x6

meter

cover

TA-F4A

slit.

nark

INES

SECTION

DISASSEMBLY

Note:

the

disassembly

procedure

the

numerical

order

given.

CASE

AND

BOTTOM

COVER

REMOVAL

Case:

The

component

side

the

speaker

board

and!

main

amp

board

can

checked.

Both

side

the

amp

board

can

checked.

Bottom

Cover:

The

conductor

side

the

main

amp

board

can

checked.

screw,

@©

BW4x12

BVTT

3x6

FRONT

PANEL

REMOVAL

The

POWER

switch,

meters

and

variable

resistors

can

replaced,

after

removing

the

front

panel.

knobs

(with

2mm

L-shaped

hexagonal

wrench)

BVTT

3x6

METER

LAMP

REPLACEMENT

Note:

obtain

the

same

brightness

meter

lamps,

replace

both

lamps

(L-CH

and

R-CH)

together

with

new

ones.

adhesive

tape

(transparent)

meter

cover

1-578-309-00

meter

lamp

SECTION

ADJUSTMENT

TA-F4A

Bias

Adjustment

Note:

Perform

adjustments

few

minutes

passed

after

POWER

switch

turned

ON.

With

signal

input.

Adjust

RT201

for

reading

VOM.

RT201

(L-CH)

Meter

Level

Adjustment

Setting:

VOLUME

control:

maximum

Procedure:

osc

attenuator

100k2

(1W)

page)

O—O

scoot

Fiz

teasl

SPEAKER

Adjust

attenuator

for

2.83V

reading

VTVM.

Adjust

RT401

(L-CH)

and

RT451

(R-CH)

that

meters

indicate

Adjust

RT251

for

reading

VOM.

RT251

(R-CH)

TA-F4A

SECTION

4-1.

MOUNTING

DIAGRAM

DIAGRAMS

VOLTAGE

SELECTOR

BOARD

(COMPONENT

SIDE

)

CINPUT

BOARD}

(CONDUCTOR

SIDE)

(GRN)

Ic201,

1C251

BLOCK

DIAGRAM

CURRENT

MILLER

bern

DIFFERENTIAL

BIAS

AMP

CIRCUIT

B-CLASS

DRIVE

AMP

Ji52

«J

153

WHT

|WHT

{feo

AG:

CHASS!S

GROUND

MAIN

AMP

BOARD

(CONDUCTOR

SIDE)

0251

9202

;

R218.

ard

feo

22cm

’

Vs.

Nace

R220

: Z |

0.22(

2W)

{EQ

AMP

BOARD

(CONDUCTOR

SIDE)

JAPAN

BIAS

CHECK

Cat

==)

(0.01/500V

-40V

RIG2

33k

C160

-47/16V.

€264°-47/10V-

gerne

"0259

palo

Senn

C266

'§

tov

c209

C210"

259°

6.012

750p

0.012

R229

330

BALANCE

101

aia

252

251

209

208

202

201

105

1€251

1C201

207

102,103

104

152,

153

253

203-206

204

205

264.

262

26!

263

206

207

214-212

213

203,

201

259

260

210

209

205

208

202,

204

(GRN)

1C201,

1C25!

DIFFERENT!

AMP

BLOCK

DIAGRAM

CURRENT

MILLER

DIFFERENTIAL

AMP

B-CLASS

DRIVE

AMP

BIAS

CIRCUIT

VOLTAGE

SELECTOR

BOARD)

(COMPONENT

SIDE

)

B-CLASS

DRIVE

AMP

MAIN

AMP

BOARD

(CONDUCTOR

SIDE)

RVI

100KA)

2V203

100k

1C251

252

C201

251

209

208

202,

253203

206

204

205

BONS

2206

261

263

206 207

214212

Zul

213

203,

201

259

260

210

209

205

208

202,

204

ARR

(SPECIAL)

POWER]

OFF

CHASSIS

GROUND

Note:

O—:

parts

extracted

from

the

component

side.

@—:

parts

extracted

from

the

conductor

side.

™:

part

mounted

the

conductor

side.

B+

pattern

Signal

Path

LCH

meee

R-CH

meee

L-CH

R-CH

Color

code

sleeving

over

the

end

the

jacket.

J401

[HEADPHONES]

[i2]

401

402

451

452

4-2.

SCHEMATIC

DIAGRAM

Jil

CINPUT

BOARD]

104

J05

REC

OUT]

ROP

BOK

CNJ!

TAPE

REC/PB

QIOl

28C2129

AMP

CEQ

AMP

BOARD

]

Ql02

2SA872

Q103._

2SCi632

AMP

23V_EMITTER

FOLLOWER

MONITOR

TAPE

CMAIN

AMP

BOARD

}

SOURCE

TAPE

S2-]

Reve

BALANCE

C202

0,22

TAPE

COPY

TAPE

2>1

SOURCE

{

TAPE

|+2|

lis)

REC

OUT!

R-CH

Jt5I

QISI_

2sc2i29

AMP

RIS)

cist

RIS3

aes

bo152

20V

QI5I

~06V

C153

RIS4.

C160

QH2

2SA872_

QIS3._2SCI632

AMP

23V

Ciba

RIG

20.6V

ise

Kc)

0153

(je

css

L6V"L_ayy

RIGO

RIS?

RIS

C156

CIS?

RI5g

SRi6l

RIGS:

EMITTER

FOLLOWER

[TAPE

COPY

TAPE2—>

SOURCE

TAPEI—=

MONITOR

R252

——J

R254

[BALANCE]

C252

$4-2-2

S4[FILTER

LOW

‘

104

(M)

RVI

100k(A)

(C201

CXI7]

=O2I3

MVIZN_

Dil

IS2076A

D214

DRIVE

AMP

C1986

Q203,204,206,

207

AMP

PROTECTOR

wens

RV2

(A)

100K

{C253

OV,

[Ic

DIFFERENTIAL

AMP

DIFFERENT

AMP

VAL

CURRENT

BIAS

CIRCUIT

VI2N

-D2I2

IS2076A

Q201

2SA77I

Q202

25!

POWER

AMP

POWER

BIAS

CHECK

POINT

0208

MV203V

—

(SPEAKER

BonRD

[ETE

SCE34A,,

0205

25K678

PROTECTOR

[S401

Bags

RIM!

||!

0207

ISIS555

CHASSIS

GROUND

osqy

C251

CXI71

.D263.

MVI2N

DRIVE

AMP

(3)

R256

oerenentiat

ANP

REG

CURRENT

Red

faal

R255:

7251

47k

BIAS

C2u,

0.2

(

RV203

100k

0209

ISI555

D210

1T22A

R230

47k

SPECIAL}

D261

IS2076A

D264

MVIZ2N

262

IS2076A

Q25I

2SA77I

POWER

AMP

40v

25!

role

tae

R270

c2i9

O/ev

~234V

100k

(SPECIAL)

C259

0259

ISI555

D260

IT22A

Q252

2SCI986

Q253

2SC634A

POWER

AMP

PROTECTOR

Cie

100

25V

}

105

2SA678

RIPPLE

FILTER

0205

0206

24v

R310

22k

C304

25v

D201~204

SIBOI-B

RECT

2.2/50V

(aw)

040!

R402

1.5k

wew)

S6-1

L401

,22uH

[SPEAKERE

R401

LOUW/ew)

;

OFF

$5-2

L451

O-O

—,

R451

R455

eee

R405

RAL

Cassee

“470

W2W)

403.

$R454

0033

Iles

METER

LEVEL

cas! pagg nasi

RUS

R452

D215

SIBO-B

0205,206

EQAOI-25

POWER

(308

(0.01/500V)

ame

0203

0201

0204

020:

coo!

0.047/300

/OLUME

RVI

100k

(A)

D213

MVI2N

——D2II

IS2076A

D214

MvI2!

R205

C218

ASS

OUN!

C201

CXI71

VEL

23.4V

DRIVE

AMP

a0v

Inia

0401

R208

Nr22offe]]

Bias

cuaO

tee

D208

MV203V

0207

1SI555

Nor

Rage

3a4y

390V

wew)

6206

tO)

Gar

palt

BPA

R22

$5-1

L-CH

™

150

L401

1.22uH

B.5V

lesa

sRele

Rees

O—

27k

cas

0,0033

SPEAKER

0209

ISI555

49,

;

“Tr

"as

D210

IT22A

O7—-

[eet

H+

)

oon

s5-2

B-

CLASS

nas

Last

TMI02

DRIVE

AMP

bee

RY201

To]

R303

LZ]

$15

228

pee

RAS

SPEMER

13V

aaa

C204

R306}

O—+0

—+

C2i2

470

R304

33/25V

0018

pele

30-476

lov

0208

22k

(2W)

R455

Gaur

0204

G30e

0207

ait

‘0214

301

0453

470

(yr

220

)

(W2W)

iq)

R50

cag3

R454

~384V

100/104

DOS

t-&AV[]

(HEADPHONES)

C219

METER

oes

R209

Rete

pee

LEVEL

C45

pag

vast

RTOSL

-234V

Rabe

eeereen

ver

D215

SIBOI-B

osay

IC251

CXI7L

D263

MVIZN

—D26I

IS2ZO76A

0264

MVIZN

262

IS2076A

Q251

2SA77\

“DRIVE

AMP

;

POWER

AMP

EAN

aor

F202

R267

4ov

R270

Bias

0251

CHECK

POINT

(y\>39v

0263!

S8AV

0261

B—CLASS

R263

DRIVE

AMP

~8iV

Axrzsi

FF]

D259

1SI555

BIAS

R264

D260

IT22A

(264,

C260

R281

(254

R280

cage

R275

base

reap

R265

avose

R279

R276

Rv253

0253

Cas

100k

C261

1,-,(00K

10264

0252

(v5

(SPECIAL)

qd)

13V

ini

gee!

(266

6259

ROWSE

ROTA

agi

Q252

2SCI9B6

POWER

AMP

Q253

2SC634A

PROTECTOR

TER|

KSPEAKER

BOARD

}

[ME

D212

IS2076A

—Q201

2SA771

—Q202

2SC1986

Q203,204,206,207

2SC634A.,,

.,,

Q205

2SA678

POWER

AMP

POWER

AMP

PROTECTOR

C401

R403

RT401

2.2k

Cil2

100

25V

25v

cil4

is)

RIIZ.

{

JAMP

BOARD

}

0206

305

25v

2ay

Rau

24)

Aik

209

QI05

2SA678

RIPPLE

FILTER

~40V

0205,206

EQAOI-25

308

(0.01/500V)

‘

0263

020i

0204,

0204

uH_~+_

C309

(0.01/500V)x2

23.4V

Q209

2SA678

D201~204_

SIBOI-B

REG

RECT

mus)

40V

ole)

RED

F201

SISA

cool

0.047/300V

VOLTAGE

SELECTOR

BOARD

BRN

OFF

CNP2

~AC

TA-F4A

ote:

The

components

identified

shading

and

mark

are

critical

for

safety.

Replace

only

with

part

number

specified.

Note:

Components

for

right

channel

have

same

values

for

left

channel.

All

capacitors

are

unless

otherwise

noted.

nuk

SOWV

less

are

not

indicated

except

for

electrolytics.

All

resistors

are

ohms,

unless

otherwise

noted.

10002,

1000

All

adjustable

resistors

have

characteristic

curve

unless

otherwise

noted.

-f4}

nonflammable

resistor.

ome:

B+

bus.

panel

designation.

((__)

adjustment

for

repair.

meme:

B-

bus.

Voltages

are

with

respect

ground

unless

otherwise

noted.

Readings

are

taken

under

signal

conditions

with

VOM

(20k2/V).

Voltage

variations

may

noted

due

normal

produc-

tion

tolerances.

Switch

Position

Switch

PHONO

SOURCE

FUNCTION

MONITOR

TAPE

COPY

FILTER

OFF

SPEAKERS

POWER

OFF

D201—204

U05G

(S1B01-B)

cathode

D207,

209

D259

D210,

260

“

DW.

D401,

451

ano

D402,

452

D211,

261

D212,

262

D205

none

EQB01-25

(EQA01-25)

cathode

‘andile

anode

Replacement

Semiconductors

For

replacement,

use

semiconductors

except

in(

—).

0101,151:

2SC2129

Q103,153:

2SC632A

(2SC1632)

a104:

2SC634A

(2SC1634)

203,

204

Goo

907

‘

2SC634A

Q102,152:

2SA705-8

(2SA872)

c c

©)

E E

E—E

0105,

205).

cons

2SA678

)

Q201,

251:

2SA771

HEL.

Q202,

252:

2SC1986C

(2SC1986)

1C201,251:

CX171

14131211109

1234567

{Top

view)

D208:

MV203V

1S1555

anode

cathode

1722AM

(1722)

1S2076A

D213,

263

)

Bod.

Seah

MV12N

cathode

anode

TA-F4A

4-3.

MOUNTING

DIAGRAM

—

Speaker

Board

—

Conductor

Side

—

METER

LEVEL

(Ligs

R402.

1.5k

(1/2W),

smart

anensmennn

cated

“Jcaog

Tzz/iev

©.

2:2

[30d

R403

(I72wy

9401

C451

—

R453.

(1/2W)

2.2/50V.

PR)

—@.

R452

15k

(1/2)

0451...

Weare

. .

04520

RT4SE

RASA

eee

22k

casa

‘(BLK

METER]:

22716V

LEVEL

(Rs

L451

L.22yH

R451.

10.172)

(so

L401

L22pH

R404

10(1/2W)

J401

HEADPHONES

TA-F4A

SECTION

EXPLODED

VIEWS

wOnN0g

‘420027

ASS

}004

VW)

O109-ES9E-X

uoneniyioeds

‘jage7

00926-0986

ase

00-€2E-vS8-r

gouy

“pIoW

7ouy

“deo

Assisiood

00297

00-99C

PS3->

o10sessex

OXE

LIAB

9XELLAG

NOLLINAS

‘HOLINONY

‘AdOD

FdVL

“JON

IVE

‘FIGIUL

“Sua

vads

‘A58y

Gouy

eee

bererserx

ASS?

GOUY

FNATIOA

paydans

FWNIOA

‘Assy

gouy

O60e-rSer-X

—

_-gouy

“pow

00-292

698-7

quoi

“ASS

faued

1-20E-7580-x

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Table des matières

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