Sony ST-S590ES Manuale utente

SERVICE

MANUAL

FM

tuner

Frequency

range

Antenna

terminals

Intermediate

frequency

Sensitivity

Usable

sensitivity

Signal-to-noise

ratio

Harmonic

distortion

Frequency

response

Separation

Selectivity

Output

ST-SO90ES

AEP

Model

SPECIFICATIONS

AM

tuner

87.5

-

108

MHz

Frequency

range

75

9

unbalanced

10.7

MHz

(mono

S/N

26

dB)

10.3

dBf,

0.9

uV/75

Q

(stereo

S/N

46

dB)

38.5

dBf,

23

uV/75

2

10.3

dBf,

0.9

pV/75

Q

(IHF)

(at

40

kHz

deviation)

80

dB

(mono)

76

dB

(stereo)

WIDE

0.03%

(mono);

0.04%

(stereo)

NARROW

0.05%

(mono);

0.07%

(stereo)

15

Hz

-

15

kHz,

(+0.2

dB)

60

dB

(at

1

kHz)

(at

400kHz)

WIDE

80

dB

NARROW

90

dB

(at

300kHz)

WIDE

45

dB

NARROW

70

dB

(at

40

kHz

deviation)

600

mV

Intermediate

frequency

Usable

sensitivity

Signal-to-noise

ratio

Harmonic

distortion

Selectivity

General

Power

requirements

Power

consumption

Dimensions

Weight

Accessories

supplied

Italy

MW:

522

-

1.611

kHz

(9

kHz

step)

LW:

144

-

288

kHz

(1

kHz

step)

Other

MW:

531

-

1,602

kHz

(9

kHz

step)

LW:

153

-

279

kHz

(1

kHz

step)

450

kHz

(with

AM

loop

antenna)

MW:

250

p.V/m

LW:

700

pV/m

54

dB

0.3%

32

dB

220

-

230

V

AC,

50/60

Hz

(adjustable

to

240

V

AC

by

Sony

personnel)

14W

Approx.

430

mm

(W)

x

85

mm(H)

x

345

mm

(D)

(17

x

3°%6

x

13°/e

inches)

Approx.

4.0

kg

(8

Ib.

13

oz.)

Remote

control

cord

(1);

Connecting

cord

(1);

AM

loop

antenna

(1)

Design

and

specifications

are

subject

to

change

without

n

tice.

FM

STEREO

/

FM-AM

TUNER

Eat

|

MICROFILM

SONY.

ST-S590ES

TABLE

OF

CONTENTS

Section

Title

Page

Specification

«-s:sseerceerseeeetseetntettsersseeracetserereeseseeeeeenegs

1

1.

GENERAL

ese

ee

cceeerreeetreeeeeeeneeeeerttieeertrneeeeeneneeernes

3

2.

ADJUSTMENTS:

osscceccceeeecreeceeseeeeetteteeeererteeensseneees

4

3.

DIAGRAMS

3-1.

Block

Diagram

-::tsresereeesesesteeterneeenteeestaeertnerenens

a

3-2.

Printed

Wiring

Boards

srrr+r+eeseeeerreeeeeeeerestseeeeeeeree

11

3-3.

Schematic

Diagram

«srrrrerstrrreettrtreeetesseeerereeeseees

13

3.4,

FM

Front-end

(EFO1)

errr

erreeerererrere

rere

ee

eee

16

3-5,

Ic

Block

Diagrams

a

eer

cen

aeccceenonnereeeseneceeseeeesrecccces

17

A.

EXPLODED

VIEW

«1---ccccceeeeereeceeeeeterettttteeeeeennaaees

19

5.

ELECTRICAL

PARTS

LIST

-----::e:cccececeeeereeesreeeeeeees

20

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

ST-S590ES

This

section

is

extracted

from

instruction

manual.

Identifying

the

-

Controls

[1]

[2]

3]

[4]

[5]

6]

[8]

[9]

fto

RDS

button

(46,

48)

AF

button

(46)

PTY

button

(48)

ANT

button

(10)

ANT

ATT

button

(24)

IF

BAND

button

(24)

MUTING

button

(22)

MEMORY

button

(26,

28)

Preset

buttons

(12,

26,

30,

36)

TUNING/PRESET

button

(16,

18,

32,

34,

44,

52)

TUNING/CHARACTER/PTY

SELECT

knob

(16,

18,

26,

32-36,

44-52)

Power

switch

CHARACTER

button

(36)

DISPLAY

button

(30,

44)

DISPLAY

MODE

button

(12)

Display

window

TUNE

MODE

button

(16,

18,28,

32,

34,

44,

48,

52)

BAND

button

(16-20)

SHIFT

button

(26,

30,

36)

FM

MODE

button

(24)

=

[5]

[a

fa) [5]

fe}

fs)

[a]

=

©

(The

numbers

in

parenthesis

indicat

e

the

page(s)

where

the

control

is

describ

ed.)

ST-S590ES

|

SECTION

2

ADJUSTMENTS

©

Refer

to

Adjustment

Location

on

page

6.

Note

:

As

a

front-end

(FEI01,

421

etc.

)

is

difficult

to

repair

if

faulty,

replace

it

with

new

one.

FM

SECTION

e

Standard

Setting

of

FM

Stereo

RF

Signal

Generator.

STEREO

STANDARD

SIGNAL

MONAURAL

STANDARD

SIGNAL

98MHz

Carrier

frequency

:

98MHz

Modulation

:

Audio

1kHz,

16.25kHz

(21.7%)

deviation

Subchannel

38kHz,

16.25kHz

(21.7%)

deviation

Pilot

19kHz,

7.5kHz

deviation

(13.3%)

1kHz,

40kHz

deviation

(53%)

FM

Discriminator

Adjustment

(NULL

and

MONO

Distortion)

FM

RFF

stereo

signal

distortion

generator

meter

Output

level

;

10mV

(800B

4

)

ANTENNA

FM

(75

82)

=

OUTPUT

VOM

(OC

range)

TP251

(NULL)

Procedure

:

1.

Tune

the

set

to

98MHz.

2.

Adjust

T252

for

OV

reading

on

the

VOM.

-rrrrrererereree

ee

NULL

3.

Adjust

T253

for

a

minimum

reading

on

the

distortion

meter.

isabel

van

cn

Gauge

vvece

onsite

ebedasetoulte

Socks

Cav

eicteas

MONO

Distortion

4.

Repeat

the

adjustments

of

2

and

3

several

times.

Note

:

When

replacing

the

ceramic

filter,

perform

this

alignment.

FM

Stereo

Distortion

Adjustment

FM

RF

stereo

signal

distortion

generator

meter

Mode

:

stereo

Output

level:

10mV

(80qB

1

)

ANTENNA

FM

(75)

~=OUTPUT

Procedure

:

1.

Tune

the

set

to

98MHz.

Set

SSG

output

level

to

80dByu

2.

Adjust

IFT

in

FE101

for

a

minimum

reading

on

the

distortion

meter.

FM

Stereo

Indication

Lighting

Level

Adjustment

FM

RF

stereo

signal

generator

Mode

:

stereo

Modulation

:

pilot

only

Output

level:

18

V

(2508

1:

)

FM

ANTENNA

terminal

(75

Q)

Procedure

:

1.

Tune

the

set

to

98MHz.

MUTING

“OFF

”,

FM

MODE

“AUTO

STEREO”

Set

SSG

output

level

to

25dBu

2.

Adjust

RV251

to

the

place

where

“STEREO”,

“TUNED”

indication

lights.

FM

Muting

Level

Adjustment

FM

AF

stereo

signal

generator

VIVM

Mode

:

mono

Output

level

;

32

4

V

(30dB

u

}

ANTENNA

FM

(75

Q)

OUTPUT

Procedure

:

1.

Tune

the

set

to

98MHz.

2.

Push

the

MUTING

switch

and

put

on

the

light

the

“MUTING”

indicator

in

the

fluorescent

display.

3.

Set

SSG

output

level

to

32

w

V

(30dB

x

).

4.

Adjust

RV252

so

that

the

reading

of

VTVM

becomes

within

25

wt

V

(28dB

uw)

—

40

wu

V

(32dB

x

).

FM

Signal

Level!

Adjustment

FM

FF

stereo

signal

generator

Modulation

:

no

modulation

Output

level:

10mV

(800B

u

)

FM

ANTENNA

terminal

(75

Q

)

Procedure

:

|.

Tune

the

set

to

98MHz.

2.

Push

the

display

button

to

change

the

display

mode

for

signal

strength

indication.

3.

Adjust

RV221

to

the

place

where

level

10

in

the

signal

strength

bar

indicator

lights

and

“75dB”

indication

lights

on

fluorescent

tube.

FM

Stereo

Separation

Adjustment

FM RF

stereo

signal

generator

Mode

:

stereo

Output

level:

10mV

(800B

yu

}

ANTENNA

FM

(75

2)

OUTPUT

|

ST-S590ES

Procedure

:

FM

stereo

signal

generator

output

channel

VTVM

connection

VTVM

reading

(dB)

Adjust

RV301

minimum

reading.

Adjust

RV

301

for

minimum

reading.

L-CH

Stereo

separation

:

(A)-@)

R-CH

Stereo

separation

:

©-O)

The

separation

of

both

channels

should

be

equal.

FM

Narrow

Distortion

Adjustment

FM

RF

stereo

signal

distortion

generator

meter

Mode

:

mono

Output

level:

10mV

(80dB

)

~ANTENNA

FM

(75

Q)

OUTPUT

Procedure

:

1.

Tune

the

set

to

98MHz.

2.

Push

the

IF

BAND

switch

and

put

on

the

light

the

“NARROW”

indicator

in

the

fluorescent

display.

3.

Set

SSG

output

level

to

80dB

yu

4,

Adjust

RV232

for

a

minimum

reading

on

the

distortion

meter.

FM

Narrow

Gain

Adjustment

FM

RF

stereo

signal

generator

Mode

:

mono

Output

level:

32

4

V

(30GB)

ANTENNA

FM

(75Q)

OUTPUT

Procedure

:

1.

Tune

the

set

to

98MHz.

2.

Push

the

IF

BAND

switch

and

put

on

the

light

the

“NARROW”

indicator

in

the

fluorescent

display.

3.

Set

SSG

output

level

to

32

uw

V

(30dB

x

).

4.

Adjust

RV231

so

that

the

reading

on

VTVM

becomes

within

25

uw

V

(28dB

uw

)

—

40

uw

V

(32cB

x

).

ST-S590ES

|

RDS,

BPF

Adjustment

FM

PF

stereo

signal

generator

Output

level

:

10mV

(80dB

1

)

ROS

Modulation

;

2kHz

deviation

ANTENNA

FM

(75

Q)

Procedure

:

1.

Tune

RV801

to

counterclockwise

(left)

and

set

the

level

below

0.5dB

than

maximum

reading

on

the

VOM.

(refer

to

below

drawing.

)

o

—<——

~~

Rvso!

—m

=

max

Left

Right

AM

SECTION

AM

loop

antenna

loop

antenna

AM

RF

Signal

generator

\<—_—_—_—f-

|

60cm

|

'

loop

antenna

30%

amplitude

modulation

by

400Hz

signal

Carrier

frequency

:

216kHz

(LW

Band)

AM

loop

antenna

AM

antenna

terminal

dB

yu

/m

=

(SSG

output

level)

—

26dB

AM

Signal

Level

Adjustment

Procedure

:

1.

Set

SSG

output

level

so

that

antenna

input

level

of

the

set

becomes

5.0mV

(74dBy

/m).

2.

Adjust

RV402

to

the

place

where

level

10

in

the

signal

strength

indicator

turns

from

dark

to

light.

Adjustment

Location

:

TUNER

BOARD

(Component

Side)

RV301

(STEREO

SEPARATION)

avs

BS

RV232

(NARROW

DISTORTION)

Rv231

(NARROW

GAIN)

FM

IFT

(FM

STEREO

DISTORTION)

Rv221

a)

(FM

SIGNAL)

TP251

(NULL)

T253

7252

(MONO

DISTORTION)

a

(NULL)

RV252

(FM

MUTING)

FE421 FE451

RV251 RV402

(FM

STEREO

SIGNAL)

(AM

SIGNAL)

SECTION

3

DIAGRAMS

3-1.

BLOCK

DIAGRAM

IC251

LA1235

FM

IF

DET

AF

FE101

FM

FRONT-END

Q203.204

0236

,

237

FM

IF

AMP

—

—=

Saas

RV801

7h

cr

202

APE

Q201.202

FM

IF

AMP

IC801

IC3014

LA34014

Icee1

LA2230

AM/FM

SELEC

(1)

LA1235

ROS

‘

:

FM

LEVEL

DECORDER

METER

AMP

MUT-LEVE

Q451

Q453

LW

AF

AP

AME

(LW

ON)

LA1245

Ic802

Rv301

2

AM.

RF

/IF/SMIX/Z

Q454

(LW

ON)

FE451

LW

FRONT

—END

ats!

RELAY

ORIVE

LW

TUNING

Ic601

UPD75512GF-086-389

CONTROLLER

Q455

MW

OSC

(MW

ON)

CxX7925B

PLL

Q601,0617

RESET

DET

(MW ON)

ca

ROTARY

SWITCH

ENCORDER

dl

S01

SCK1

LCeos

ieee

SWITC

fears

rs

eix

FM

>

os

AM

FM

4

[oho]

jos

|

aM

Bt

+13V

4.19MH2

LC7070N

ROS

SYNC

DATA

CLK

CE

RESET

IC701

LC7511E

DISPLAY

CONTAL

DRIVE

SEGMENT

GAID

1-36

15-4

02

X801

4MH2zZ

Fi

Fe

FL7014

FLUORESCENT

DISPLAY

TUBE

ST-S590ES

a232

E

Ic251

SWITCH

LA1235

6

@203.204

FM

IF

DET

—

7

FM

IF

AMP

eee

pote]

ee

351.352

CNU304

=

HI

BLEND

OUTPUT

hy

CF202

pa

oud

|

RDS-

BPF

SWITCH

jouTPUT

C203

DEAE

To

be

Lpraod

Hee

IC801

TC301

RCH

(7)

FILTER

OR

Iceet

Se

AM/FM

SELECT

(1)

LA1235

DECORDER

FM

MPX

FM

LEVEL

METER

AMP

MUT-LEVE

AM,

RF

/IF/SMIX/Z

OSC/DET

CONTROL

S

CN601

OUT

$701

—

$712

$714

—

$720

$722—$728

FUNCTION

©

SWITCH

m=

CF

402

MATRIX

59

ae

Ic601

Dso

=

a

rh

7.2MHz

UPD75512GF-086-389

o

TCH

.

CONTROLLER

ON)

RESET

i

IC5014

CX7925B

PLL

Q601.0617

RESET

—

a

<q

zh

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$904

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POWER

PC901

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[nan

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SWITCH

ENCORDER

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Paes

LC7070N

ast

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ROS

SYNC

OATA

CLK

CE

RESET

J

IC701

LC7511E

(1)

(18)

DISPLAY

CONTAL

DAIVE

'

SrAMENT.-

“BRIG

XB801

4MHz

Fil

Fe

FL701

FLUORESCENT

DISPLAY

TUBE

r

ST-S590ES

3-2.

PRINTED

WIRING

BOARDS

2

3

4

|

5

|

6

|

7

|

8

[

@

SEMICONDUCTOR

LOCATION

cae

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SEM

Rete

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COAXIAL

Al

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LA5667

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one

G-4

(CHASSIS)

SGo

H-4

H-2

11ES2

HZS27-2L

G4

HZS7B2L

1-4

H-4

E-3

cathode

E-3

E-4

E-5

onode

E-5

2SA1175-HFE

F-3

2SC3623A-LK

F-3

DTC114TS

DTC144ES

G-—10

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cathode

&

£

,

encode

2SC2603-EF

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DTA144ES

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E-6

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Note:

*

O-—

:

parts

extracted

from

the

component

side.

*

Hs:

parts

mounted

on

the

conductor

side.

es

indicates

side

identified

with

part

number.

:

Pattern

on

the

side

which

is

seen.

3-2.

PRINTED

WIRING

BOARDS

YNDUCTOR

LOCATION

TM6OL

ANTTENA,

———{contror

s}+—__—_

FM

CNJ301

OUTPUT

CNGO!

CN6O2

8

75

COAXIAL

a

OUT

IN

[TUNER

BOARD

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extracted

from

the

component

side.

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mounted

on

the

conductor

side.

cates

side

identified

with

part

number.

attern

on

the

side

which

is

seen.

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|

Sony ST-S590ES Manuale utente

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