Sony Ta-fa3es User manual

SERVICE

MANUAL

System

Power

Amplifier:

TA-FA3ES

AEP

Model

SPECIFICATIONS

Pure-complementary

SEPP

MOS

FET

power

amplifier

with

all

stages

directly

coupled

Outputs

Output

level

/

impedance

REC

OUT

1,

2:

150mV,lkilohms

PHONES:

10

mW

(at

8ohms)

ee

POVEROIS

high-gain

a

nated

eas!

Tonexontiols

BASS

(100Hz):

+7dB

os

section:

Large-capacity

power

supply

advance

TREBLE

(10kHz):

+6dB

Rated

output

4

ohms,

100W

+

100W

(DIN

0.7%)

General

8

ohms,

70W

+

70W

(DIN

0.7%)

Power

requirements

220

-

230

V

AC,

50/60Hz

Speakers

impedance

4

to

16

ohms

Eomel

consumpuon

200W

Output

bandwidth

(8

ohms)

10Hz

to

100kHz

(at

40W

output,

and

Dimensions

(approx.)

430

x

are

*

a7

high-frequency

distortion

rate

of

(wihid)

(17

x

5

*/s

x

14

7/s

inches)

0.08%)

incl.

projecting

parts

and

controls

Dynamic

headroom

at

4

ohms:

2dB

Mass

(approx.)

10.0kg

(221b

loz)

Total

harmonic

distortion

Damping

factor

Intermodulation

(IM)

distortion

(60Hz:7kHz=4:1)

Throughrate

Residual

noise

Equalizer

deviation

Frequency

response

S/N

Inputs

Input

sensitivity

and

impedance

Maximum

input

capability

(1

kHz)

at

8

ohms:

1.2dB

0.008%

(at

8

ohms,

10W

output)

100

(8

ohms,

1kHz)

0.008%

(8

ohms)

125

V/u

sec,

250

V/

sec

(Inside)

Less

than

100

nV

(network

A)

PHONO

MM:

20Hz

to

20kHz,

+0.2dB

TUNER,

CD,

AUX,

TAPE

1,

2:

5Hz

to

100kHz

*$dB

PHONO

MC:

77GB

(A

Fil,

0.5mV)

MM:

95dB

(A

Fil,

5mV)

TUNER,

CD,

AUX,

TAPE1,

2:

105dB

PHONO

MC:

0.17mV,

1000hms

MM:

2.5mV,

50kilohms

TUNER,

CD,

AUX,

TAPE

1,

2:

150mV,

20kilohms

PHONO

MC:

9mV

MM:

150mV

Supplied

accessories

|§

Remote

commander

(remote)

RM-S702

(1)

Sony

batteries

SUM-3(NS)

(2)

Design

and

specifications

are

subject

to

change

without

notice.

INTEGRATED

STEREO

AMPLIFIER

SONY.

TABLE

OF

CONTENTS

Section

Title

Page

Specifications

Ce

ee

1

1.

GENERAL

Location

of

Controls

ee

3

2.

ELECTRICAL

ADJUSTMENT

-:-:-:-::::-

4

3.

DIAGRAMS

3-1.

Circuit

Boards

Location

-++++++stteretreees

5

3-2.

Schematic

Diagram

—

Main

Section—

<+::::

6

3-3.

Printed

Wiring

Boards

—

Main

Section-—

+-::

9

3-4.

Printed

Wiring

Boards

~

Panel

Section—

---

14

3-5.

Schematic

Diagram

—

Panel

Section—

<-::--:

17

4.

EXPLODED

VIEWS

--eesccreeeeeeeeees

20

5.

ELECTRICAL

PARTS

LIST

::----:-:-::

23

SAFETY-RELATED

COMPONENT

WARNING!!

COMPONENTS

IDENTIFIED

BY

MARK

A\

OR

DOTTED

LINE

WITH

MARK

A

ON

THE

SCHEMATIC

DIAGRAMS

AND

IN

THE

PARTS

LIST

ARE

CRITICAL

TO

SAFE

OPERATION.

REPLACE

THESE

COMPONENTS

WITH

SONY

PARTS

WHOSE

PART

NUMBERS

APPEAR

AS

SHOWN

IN

THIS

MANUAL

OR

IN

SUPPLEMENTS

PUB-

LISHED

BY

SONY.

SECTION

1

GENERAL

e

Location

of

Controls

Front

Panel

Descriptions

TAPE

MONITOR

switch

SOURCE

DIRECT

Power

button

SPEAKERS

control

BALANCE

control

button

HEADPHONE

BASS

control

TREBLE

conirol

MUTING

JACK

button

ATTENUATOR

control

INPUT

SELECTOR

controi

Rear

Panel

Descriptions

[1]

TUNER

[2]

CD

AUX

[4]

TAPE2/MD

[5]

TAPE1/DAT

[6]

Mains

lead

SPEAKERS

A/B

PRE

OUT

[9]

sh

(earth)

PHONO

CARTRIDGE

MC/MM

SECTION

2

ELECTRICAL

ADJUSTMENT

Bias

Adjustment

1.

Rotate

fully

the

bias

adjusting

semi-fixed

resistors

(RV501,

RV601)

to

the

MIN

position

(counterclockwise).

2.

Connect

a

digital

voltmeter

to

the

TP500

and

TP600.

3.

Set

the

slidack

to

0

V,

and

press

the

POWER

button

(ON)

on

the

set.

4.

Raise

gradually

the

slidack

voltage

up

to

the

rated

voltage

(230

V).

5.

At

this

time,

confirm

that

the

SP

relay

is

turned

on

(it

will

click),

and

at

the

same

time,

the

LED

on

the

POWER

button

changes

from

red

to

green.

6.

Adjust

the

RV501

and

RV601

so

that

a

reading

of

digital

voltmeter

is

33

mV

t2mV.

7.

Return

the

slidack

to

0

V,

and

press

the

POWER

button

(OFF)

on

the

set.

Adjustment

Location:

MAIN

BOARD

(COMPONENT

SIDE)

SECTION

3

DIAGRAMS

3-1.

CIRCUIT

BOARDS

LOCATION

TA-FA3ES

3-2.

SCHEMATIC

DIAGRAM

—

MAIN

Section

—

1

2

3

4

5

6

7

8

g

10

11

12 13

14

15

16

17 18

19

20

21

22

23

24

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604

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POWER

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AEST

INPUT

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4

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a

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R703

R704

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:

re

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e

All

capacitors

are

in

uF

unless

otherwise

noted.

pF:

pEF

me

ny

.

i

hl

50

WV

or

less

are

not

indicated

except

for

electrolytics

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a

rue

[B=]

i

and

tantalums.

a

—

t

®

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resistors

are

in

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and

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or

less

unless

otherwise

|

sesw_

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4

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>|

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specified,

(E)-

ist

my

®

Ext

:

nonflammable

resistor.

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BOARO

CNP700

A

CNP750

1.2k

R804

a

.

,

a

1.0%

e

+-—wU}

:

fusible

resistor.

L

=

3

R803

ee

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q

bw

yer

a

ope

cog

172"

Note:

The

components

identified

by

mark

A\

or

dotted

line

—

“|

caro

[

FUSE

BOARD

]

with

mark

A\

are

critical

for

safety.

|

A

;

ef

na

is

:

fe

3!

GND

Replace

only

with

part

number

specified.

POWER]

(F)

Les

IT

|

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BOARD

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[B+]

925

B+]

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=

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|

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SW

BOARD

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fete

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|

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|

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Line.

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©

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:

adjustment

for

repair.

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7]

|

8

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i

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1C900|

:

ie:

;

oe

wi

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with

respect

to

ground

under

no-signal

conditions.

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mark

:

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cnpaot

|

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are

taken

with

a

VOM

(10

MQ/V).

y

Fy

al

1)

de

AXrr

13.150

2s0v

2

Voltage

variations

may

be

noted

due

to

normal

production

Pe

=

eS

age

a

tolerances.

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iH

S

i

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.

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Py

ee

—8—

3-3.

PRINTED

WIRING

BOARDS

-—

MAIN

Section—

See

page

5

for

Circuit

Boards

Location.

TA-FA3SES

1

2__l__3

1

44

5

6 7

_

8

{PHONO

BOARD)

171

A

POWER

TRANSFORMER

[

MAIN

BOARD]

e

Semiconductor

Location

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@

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eee

CNP950

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C-5

BUILT

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1-657-268-

}|(14)|

Note:

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parts

extracted

from

the

component

side.

INPUT

BOARD

PANEL

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e

:

Pattern

from

the

side

which

enables

seeing.

oe

CNP350

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CNP450

—9—

—10—-

—11-

—12-

TA-FA3ES

3-4.

PRINTED

WIRING

BOARDS

—PANELSection—

See

page

5

for

Circuit

Boards

Location.

1

|

2

|

3

|

4

[|

5

|

6

|

7?

|

8

9

|

0

|

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2

|

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14

15

16

|

7

|

28

|

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A

CLASS

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rc)

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INPUT

BOARD

]

CNP300

B

)

PHONO

BOARD

CNP301

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Semiconductor

A

aes

cam

—

Location

Ba14

TAPE1/DAT

[

POWER

LED

BOARD

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/DAT

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]

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|

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RV302

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RV303

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°

:

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the

side

which

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BALANCE

TREBLE

BASS

MAIN

BOARD

SPEAKERS

;

CNP700

3-5.

SCHEMATIC

DIAGRAM

—

PANEL

Section

—

TA-FA3ES

1

2

3

A

5

6

7

8

9

10

11

12

13

14

15

16

17

1

19

20

21

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SECTION

4

EXPLODED

VIEWS

NOTE:

e@

Items

marked

“>”

are

not

stocked

since

they

are

seldom

required

for

routine

service.

Some

delay

should

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anticipated

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items.

@

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mechanical

parts

with

no

reference

number

in

the

exploded

views

are

not

supplied.

(1)

CASE,

FRONT

PANEL

SECTION-1

not

supplied

Ref.

No.

Part

No.

Description

Remark

4-975-093-11

PANEL,

FRONT

4-942-568-01

EMBLEM

(NO.

5),

SONY

4-967-961-01

SCREW

(3X8)

(SPECIAL)

4-975-103-01

PLATE

(L),

ORNAMENTAL

4-908-044-11

ESCUTCHEON,

POWER

KNOB

on

mm

ww

DS

6

4-970-486-01

LENS,

LED

7

4-975-105-01

WINDOW,

RAY

CATCHER

8

4-969-325-11

LENS,

LED

Ref.

No.

g

10

11

12

13

14

15

*

16

The

components

identified

by

mark

A

or

dotted

line

with

mark

A\

are

critical

for

safety.

Replace

only

with

part

number

specified.

Part

No.

Description

Remark

4-970-145-01

ESCUTCHEON

(P)

4-975-104-01

PLATE

(R),

ORNAMENTAL

3-704-366-01

SCREW

(CASE) (M3X8)

4-975-095-11

COVER,

UPPER

4-970-123-01

FOOT

(F50180S)

4-970-124-01

CUSHION

(F50180S)

7-682-565-09

SCREW

+B

4X16

4-976-524-01

DAMPER

Sony TA-FA3ES User manual

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