Sony TA-FA5ES User manual

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1

Table of contents

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TA-FASES/FA7ES

SERVICE

MANUAL

Photo:

TA-FA7ES

(Black)

AEP

Model

System

SPECIFICATIONS

Power

Amplifier:

Pure-complementary

SEPP

MOS

FET

power

amplifier

with

all

stages

directly

coupled

Preamplifier:

Low-noise,

high-gain

equalizer

amplifier

Power

section:

Large-capacity

power

supply

advanced

STD

Rated

output

Speakers

impedance

Output

bandwidth

(8

ohms)

Dynamic

headroom

Total

harmonic

distortion

Damping

factor

Intermodulation

(IM)

distortion

(60

Hz:7

kHz=4:1)

Throughrate

Residual

noise

Equalizer

deviation

Frequency

response

S/N

TA-FA7ES

4

ohms,

150

W

+

150

W

(DIN

0.7%)

8

ohms,

100

W

+

100

W

(DIN

0.7%)

TA-FA5ES

4

ohms,

135

W

+

135

W

(DIN

0.7%)

8

ohms,

90

W

+

90

W

(DIN

0.7%)

4

to

16

ohms

;

10

Hz

to

100

kHz

(at

40

W

output,

and

high-frequency

distortion

rate

of

0.08%)

at

4

ohms:

TA-FA7ES

2

dB

TA-FASES

3

dB

at

8

ohms:

TA-FA7ES

1.2

dB

TA-FA5ES

2

dB

0.005%

(at

8

ohms,

10

W

output)

100

(8

ohms,

1

kHz)

0.005%

(8

ohms)

125

V/p

sec,

250

V/U

sec

(Inside)

Less

than

115

1.

V

(network

A)

PHONO

MM:

20

Hz

to

20

kHz,

+0.2

dB

TUNER,

CD,

AUX,

TAPE

1,

2,

3:

2

Hz

to

100

kHz

*$dB

PHONO

MC:

TA-FA7ES

78dB

(A

Fil,

0.5

mV)

TA-FASES

76

dB

(A

Fil,

0.5

mV)

MM:

87

dB

(A

Fil,

5

mV)

TUNER,

CD,

AUX,

TAPE,

2,

3:

105

dB

Inputs

Input

sensitivity

and

impedance

Maximum

input

capability

(1

kHz)

Outputs

Output

level

/

impedance

Tone

controls

General

Power

requirements

Power

consumption

PHONO

MC:

0.25

mV,

100

ohms

MM:

2.5

mV,

50

kilohms

TUNER,

CD,

AUX,

TAPE

1,

2,

3:

150

mV,

30

kilohms

PHONO

MC:

9

mV

MM:

150

mV

REC

OUT

1,

2,3:

150

mV,1

kilohms

PHONES:

10

mW

(at

8

ohms)

BASS

(100

Hz):

+7

dB

TREBLE

(10

kHz):

+6

dB

220

-

230

V

AC,

50/60

Hz

TA-FA7ES:

330

W

TA-FA5ES:

300

W

Dimensions

(approx.)

(w/h/d)

430

x

175

x

450

mm

Mass

(approx.)

Supplied

accessories

(17

x

7x

173/,

inches)

incl.

projecting

parts

and

controls

TA-FA7ES:

19.8

kg

(43

lb

6

oz)

TA-FASES:

17.5

kg

(38

Ib

10

oz)

Remote

commander

(remote)

RM-S703

(1)

Sony

batteries

SUM-3(NS)

(2)

Design

and

specifications

are

subject

to

change

without

notice.

INTEGRATED

STEREO

AMPLIFIER

SON

Y.

TABLE

OF

CONTENTS

Section

Title

Page

Specifications

:++++rrst

erste

eee

e

cette

eee

enone

i

1.

GENERAL

Location

of

Controls

ee

3

2.

DISASSEMBLY

o:536.4etewiaiaenseiieds

4

3.

ELECTRICAL

ADJUSTMENT

=--:-:------->

7

4.

DIAGRAMS

4-1.

IC

Pin

Function

Description

-++++++ss+eeeees

8

4-2.

Schematic

Diagram

7

]

1

4-3.

Printed

Wiring

Boards

-

~

MAIN

Section

—

ssreeress

15

4-4.

Printed

Wiring

Boards

~

CONTROL

Section-

<--->

19

5.

EXPLODED

VIEWS

---eece

reece

eee

erees

23

6.

ELECTRICAL

PARTS

LIST

-------++-::

27

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

This

section

is

extracted

from

instruction

manual.

e

Location

of

Controls

Front

Panel

Descriptions

INPUT

SELECTOR

indicator

ATTENUATOR

(volume)

control

SOURCE

DIRECT

indicator

POWER

switch

INPUT

SELECTOR

control

Remote

control

sensor

p

le,

ae

PHONES

jack

—_—___

=.

Ta:

=~

2

MUTING

indicator

SPEAKERS

switch

SOURCE

DIRECT

button

TONE

controls

(BASS/TREBLE)

MUTING

button

BALANCE

control

REC

OUT

SELECTOR

switch

REC

OUT

switch

Rear

Panel

Descriptions

PHONO

CARTRIDGE

MC/MM

CD

[4]

AUX

INPUT

(TA-FAZES

only)

TAPE3

[6]

PRE

OUT

SPEAKERS

A/B

Mains

lead

{9]

TAPE1/DAT

TAPE2/MD

AUX(UNBALANCED)

TUNER

rh

(earth)

AUX(BALANCED)

(TA-FA7ES

only)

SECTION

2

DISASSEMBLY

Note:

Follow

the

disassembly

procedure

in

the

numerical

order

given.

FRONT

PANEL,

SIDE

PANEL

@

four

screws

(M3

x

8)

@

four

screws

(M3

X

8)

@

side

panel

@

top

board

@

four

screws

@

(M3

X

6)

®

two

screws

(+K3

X

5)

@

side

panel

@

front

panel

®

three

screws

V3

xX

ce

@

bottom

board

8

@

two

screws

@

two

screws

(3

x

8)

(3

X

8)

PRO

LED,

MEDAMA,

HP,

FUNCTION

LED,

MUT

LED,

REC

OUT

BOARDS

@

PRO

LED

board

©

CN806

@

four

rivetes

(DIA.

3.5)

SS

©

CN904

Ee

NGG

tube

(B)

We

S

3

©

cnsos

Lak

;

@

MEDAMA

board

Se

a

08

A

4

knob

(POWER)

=>

=

Dp

Pp

heet

(B)

a

4)

eit

a

<<

SK

a

Oss

+o

knob

R

@

three

rivetes

sheet

(C)

(DIA.

3.5)

oN

ae

(DIA.

3.5)

@

REC

OUT

board

@

two

screws

(3

X

8)

tube

(A)

knob

VB

(black)

knob

VG

(gold)

sheet

(D)

—4—

AC

SW,

TONE

CONTROL,

VOL

BOARDS

©

CN310

N

@

TONE

CONTROL

board

©

CN807

®

CN4

@

AC

SW

board

@

rivet

(DIA.

3.5)

i

sub

chassis

ae

el

DIS

Wet?

x

1)

-

ik

|

i

1)

two

screws—m¢ey™

(3

x

8)

@

four

nuts

@

three

nuts

@

three

screws

(3

x

8)

B

@

washer

@

six

screws

(3

X

8)

@

button

@

six

screws

(3

X

8)

PS,

PS

JUMPER

BOARDS

AND

POWER

TRANSFORMER

@

power

transformer

704

@

six

screws

(4

x

8)

@

four

screws

(4

x

8)

@

N4,

TYPE2

@

holder

(C)

heat

sink

@

PS

board

(included

PS

JUMPER

board)

(4

x

8)

@

CN502

@

two

screws

—5-—

(4

X

8)

OUT

LET,

SP-TM,

JUMPER,

INPUT

BOARDS

back

panel

@

eleven

screws

a

(3

x

8)

SS

AR

@

SP-TM

board

@

OUT

LET

board

@

screw

(BV3

X

8)

@

terminal

@

fourteen

screws

(3

x

8)

(TA-FA7ES)

@

four

screws

(3

X

8)

@

screw

(BV3

X

8)

@

terminal

@

fourteen

screws

(3

X

8)

PRO,

MAIN.

A,

PRE

PS,

BALANCE

BOARDS

AND

HOLDER

(P)

@

PRO

board

@

two

screws

®

six

collar

screws

©

four

screws

(3

X

8)

(3

X

8)

9

|

@

MAIN.

A

board

Ss

;

@

holder

(P)

@

six

screws

(3

X

8)

@

BALANCE

board

(TA-FA7ES)

®©

two

screws

(3

X

8)

@

chassis

(S)

SECTION

3

ELECTRICAL

ADJUSTMENT

Note:

Adjustment

should

be

performed

5

minutes

later,

after

the

power

switch

is

on.

Bias

Adjustment

Setting:

ATTENUATOR

(Volume)

control:

minimum

Input

signal:

No

signal

input

Procedure:

Adjust

RT501

(L-CH)

and

RTS551

(R-CH)

for

45

mV

reading

on

the

VTVM.

Adjustment

Location:

MAIN

B-L,

B-R

BOARD

VTVM

(0.3

V

DC

range)

VTVM

(0.3

V

DC

range)

MAIN

B-L

BOARD

(Component

Side)

MAIN

B-R

BOARD

(Component

Side)

SECTION

4

DIAGRAMS

4-1.

IC

PIN

FUNCTION

DESCRIPTION

IC901

TMP47C200BN-H327

(SYSTEM

CONTROL)

Pin

No.

Pin

Name

YO

Function

1

RCL

0

eles

Serial

data

of

EEPROM

(X24CO1P)

2

RDT

VO

|

Data

3

VDW

O

Down

VR

motor

control

signal

(Active:

H,

Stop:

L-L,

Brake:

H-H)

4

VUP

O

Up

5

CD

|

o

|

Function

relay

select

signal

output

(ON:

L)

6

MUT

OL

Mute

control

signal

output

when

switching

(Mute:

H)

7

AUX

O

Function

relay

select

signal

output

(ON:

L)

8

T3

O

Function

relay

select

signal

output

(ON:

L)

9

T2

O

Function

relay

select

signal

output

(ON:

L)

O

_

_

Coad

Nmle

|

oO

n

ra)

—

_

7a)

BRIG

n

=

w

a

WwW

SW1

mn

S

Ta)

=

>

Function

relay

select

signal

output

(ON:

L)

Relativity

position

detection

signal

of

rotary

switch

(One

of

them

terminal:

H,

the

other

terminal:

L)

Direction

from

SW5

to

SWO,

TUNER

—

CD

—

AUX

~

TAPE2

—

TAPE]

—

PHONO

—

TUNER

—

¢eeees

18

TUNER

5

és

ome

Function

LED

drive

signal

(ON:

L)

21

GND

—

GND

terminal

22

TAPE1

O

23

TAPE2

O

Function

LED

drive

signal

(ON:

L)

24

TAPE3

O

29

—

O

Not

used

(Connected

to

GND)

26

—

If

Not

used

(Connected

to

GND)

27

—

if

Not

used

(Connected

to

GND)

a

r

28

—

It

Not

used

(Connected

to

GND)

29

—

I

Not

used

(Connected

to

GND)

—§$<—$<—$—$*

==

30

TEST

—

Test

terminal

(Open)

31

XIN

=

Oscil

scillation

signal

8.19

MHz

33

RESET

]

Reset

signal

(Reset:

L)

34

HOLD

I

Cancellation

of

hold

mode

signal

(Start:

H)

35

TUNER

O

Function

relay

select

signal

output

(ON:

L)

36

PHONO

oe

Function

relay

select

signal

output

(ON:

L)

37

SIRCS

I

SIRCS

signal

(Active:

L)

38

—

O

Not

used

(Connected

to

GND)

39

|

—

O

Not

used

(Connected

to

GND)

i

40

—

O

Not

used

(Connected

to

GND)

4]

—_

oO

Model

mode

switch

signal

(Connected

to

GND)

42

VDD

|

—

|

POWER

supply

(+5

V)

terminal

e

Circuit

Boards

Location

SP

TM

board

PS

JUMPER

board

OUT

LET

board

MAIN

B-L

board

JUMPER

board

AC

SW

board

BALANCE

board

(TA-FA7ES)

TONE

CONTROL

board

MAIN

B-R

board

PRO

board

INPUT

board

FUNCTION

LED

board

PRO

LED

board

yy

Wy

XS

\Y/

p.

=

nwa

MEDAMA

board

MAIN.

A

board

HP

board

PRE

PS

board

PS

board

REC

OUT

board

VOL

board

MUT

LED

board

e

IC

Block

Diagrams

PRO

board

IC601

«PC1237HA

OVER

LOA

BET

OFFSET

SET

LATCH

AUTORESET

TONE.

CONTROL

board

IC903

X24C01P-S

Gp

DATA

REGISTER

ABARESS

COUNTER

E2

PROM

32

IC904

BA6208

NC

INPUT!

INPUT2

NC

GND

VCC

OUTPUT2

OUTPUT!

NC

=16—