Sony ST-S590ES Manuale utente

SERVICE

MANUAL

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

tuner

87.5

108

MHz

Frequency

range

unbalanced

10.7

MHz

(mono

S/N

dB)

10.3

dBf,

0.9

uV/75

(stereo

S/N

dB)

38.5

dBf,

uV/75

10.3

dBf,

0.9

pV/75

(IHF)

(at

kHz

deviation)

(mono)

(stereo)

WIDE

0.03%

(mono);

0.04%

(stereo)

NARROW

0.05%

(mono);

0.07%

(stereo)

kHz,

(+0.2

dB)

(at

kHz)

(at

400kHz)

WIDE

NARROW

(at

300kHz)

WIDE

NARROW

(at

kHz

deviation)

600

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

step)

LW:

144

288

kHz

step)

Other

MW:

531

1,602

kHz

step)

LW:

153

279

kHz

step)

450

kHz

(with

loop

antenna)

MW:

250

p.V/m

LW:

700

pV/m

0.3%

220

230

AC,

50/60

(adjustable

240

Sony

personnel)

14W

Approx.

430

(W)

mm(H)

345

(D)

(17

3°%6

13°/e

inches)

Approx.

4.0

Ib.

oz.)

Remote

control

cord

(1);

Connecting

cord

(1);

loop

antenna

(1)

Design

and

specifications

are

subject

change

without

tice.

STEREO

FM-AM

TUNER

Eat

MICROFILM

SONY.

ST-S590ES

TABLE

CONTENTS

Section

Title

Page

Specification

«-s:sseerceerseeeetseetntettsersseeracetserereeseseeeeeenegs

GENERAL

ese

cceeerreeetreeeeeeeneeeeerttieeertrneeeeeneneeernes

ADJUSTMENTS:

osscceccceeeecreeceeseeeeetteteeeererteeensseneees

DIAGRAMS

3-1.

Block

Diagram

-::tsresereeesesesteeterneeenteeestaeertnerenens

3-2.

Printed

Wiring

Boards

srrr+r+eeseeeerreeeeeeeerestseeeeeeeree

3-3.

Schematic

Diagram

«srrrrerstrrreettrtreeetesseeerereeeseees

3.4,

Front-end

(EFO1)

errr

erreeerererrere

rere

eee

3-5,

Block

Diagrams

eer

cen

aeccceenonnereeeseneceeseeeesrecccces

EXPLODED

VIEW

«1---ccccceeeeereeceeeeeterettttteeeeeennaaees

ELECTRICAL

PARTS

LIST

-----::e:cccececeeeereeesreeeeeeees

SAFETY-RELATED

COMPONENT

WARNING!!

COMPONENTS

IDENTIFIED

MARK

DOTTED

LINE

WITH

MARK

THE

SCHEMATIC

DIAGRAMS

AND

THE

PARTS

LIST

ARE

CRITICAL

SAFE

OPERATION.

REPLACE

THESE

COMPONENTS

WITH

SONY

PARTS

WHOSE

PART

NUMBERS

APPEAR

SHOWN

THIS

MANUAL

SUPPLEMENTS

PUB-

LISHED

SONY.

SECTION

GENERAL

ST-S590ES

This

section

extracted

from

instruction

manual.

Identifying

the

Controls

[1]

[2]

[4]

[5]

[8]

[9]

fto

RDS

button

(46,

48)

button

(46)

PTY

button

(48)

ANT

button

(10)

ANT

ATT

button

(24)

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)

MODE

button

(24)

[5]

fa) [5]

fe}

fs)

[a]

(The

numbers

parenthesis

indicat

the

page(s)

where

the

control

describ

ed.)

ST-S590ES

SECTION

ADJUSTMENTS

Refer

Adjustment

Location

page

Note

front-end

(FEI01,

421

etc.

)

difficult

repair

faulty,

replace

with

new

one.

SECTION

Standard

Setting

Stereo

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%)

Discriminator

Adjustment

(NULL

and

MONO

Distortion)

RFF

stereo

signal

distortion

generator

meter

Output

level

;

10mV

(800B

)

ANTENNA

(75

82)

OUTPUT

VOM

(OC

range)

TP251

(NULL)

Procedure

Tune

the

set

98MHz.

Adjust

T252

for

reading

the

VOM.

-rrrrrererereree

NULL

Adjust

T253

for

minimum

reading

the

distortion

meter.

isabel

van

Gauge

vvece

onsite

ebedasetoulte

Socks

Cav

eicteas

MONO

Distortion

Repeat

the

adjustments

and

several

times.

Note

When

replacing

the

ceramic

filter,

perform

this

alignment.

Stereo

Distortion

Adjustment

stereo

signal

distortion

generator

meter

Mode

stereo

Output

level:

10mV

(80qB

)

ANTENNA

(75)

~=OUTPUT

Procedure

Tune

the

set

98MHz.

Set

SSG

output

level

80dByu

Adjust

IFT

FE101

for

minimum

reading

the

distortion

meter.

Stereo

Indication

Lighting

Level

Adjustment

stereo

signal

generator

Mode

stereo

Modulation

pilot

only

Output

level:

(2508

)

ANTENNA

terminal

(75

Procedure

Tune

the

set

98MHz.

MUTING

“OFF

”,

MODE

“AUTO

STEREO”

Set

SSG

output

level

25dBu

Adjust

RV251

the

place

where

“STEREO”,

“TUNED”

indication

lights.

Muting

Level

Adjustment

stereo

signal

generator

VIVM

Mode

mono

Output

level

;

(30dB

}

ANTENNA

(75

OUTPUT

Procedure

Tune

the

set

98MHz.

Push

the

MUTING

switch

and

put

the

light

the

“MUTING”

indicator

the

fluorescent

display.

Set

SSG

output

level

(30dB

Adjust

RV252

that

the

reading

VTVM

becomes

within

(28dB

uw)

—

(32dB

Signal

Level!

Adjustment

stereo

signal

generator

Modulation

modulation

Output

level:

10mV

(800B

)

ANTENNA

terminal

(75

)

Procedure

Tune

the

set

98MHz.

Push

the

display

button

change

the

display

mode

for

signal

strength

indication.

Adjust

RV221

the

place

where

level

the

signal

strength

bar

indicator

lights

and

“75dB”

indication

lights

fluorescent

tube.

Stereo

Separation

Adjustment

FM RF

stereo

signal

generator

Mode

stereo

Output

level:

10mV

(800B

}

ANTENNA

(75

OUTPUT

ST-S590ES

Procedure

stereo

signal

generator

output

channel

VTVM

connection

VTVM

reading

(dB)

Adjust

RV301

minimum

reading.

Adjust

301

for

minimum

reading.

L-CH

Stereo

separation

(A)-@)

R-CH

Stereo

separation

©-O)

The

separation

both

channels

should

equal.

Narrow

Distortion

Adjustment

stereo

signal

distortion

generator

meter

Mode

mono

Output

level:

10mV

(80dB

)

~ANTENNA

(75

OUTPUT

Procedure

Tune

the

set

98MHz.

Push

the

BAND

switch

and

put

the

light

the

“NARROW”

indicator

the

fluorescent

display.

Set

SSG

output

level

80dB

Adjust

RV232

for

minimum

reading

the

distortion

meter.

Narrow

Gain

Adjustment

stereo

signal

generator

Mode

mono

Output

level:

(30GB)

ANTENNA

(75Q)

OUTPUT

Procedure

Tune

the

set

98MHz.

Push

the

BAND

switch

and

put

the

light

the

“NARROW”

indicator

the

fluorescent

display.

Set

SSG

output

level

(30dB

Adjust

RV231

that

the

reading

VTVM

becomes

within

(28dB

)

—

(32cB

ST-S590ES

RDS,

BPF

Adjustment

stereo

signal

generator

Output

level

10mV

(80dB

)

ROS

Modulation

;

2kHz

deviation

ANTENNA

(75

Procedure

Tune

RV801

counterclockwise

(left)

and

set

the

level

below

0.5dB

than

maximum

reading

the

VOM.

(refer

below

drawing.

)

—<——

Rvso!

—m

max

Left

Right

SECTION

loop

antenna

loop

antenna

Signal

generator

\<—_—_—_—f-

60cm

loop

antenna

30%

amplitude

modulation

400Hz

signal

Carrier

frequency

216kHz

(LW

Band)

loop

antenna

terminal

(SSG

output

level)

—

26dB

Signal

Level

Adjustment

Procedure

Set

SSG

output

level

that

antenna

input

level

the

set

becomes

5.0mV

(74dBy

/m).

Adjust

RV402

the

place

where

level

the

signal

strength

indicator

turns

from

dark

light.

Adjustment

Location

TUNER

BOARD

(Component

Side)

RV301

(STEREO

SEPARATION)

avs

RV232

(NARROW

DISTORTION)

Rv231

(NARROW

GAIN)

IFT

(FM

STEREO

DISTORTION)

Rv221

(FM

SIGNAL)

TP251

(NULL)

T253

7252

(MONO

DISTORTION)

(NULL)

RV252

(FM

MUTING)

FE421 FE451

RV251 RV402

(FM

STEREO

SIGNAL)

(AM

SIGNAL)

SECTION

DIAGRAMS

3-1.

BLOCK

DIAGRAM

IC251

LA1235

DET

FE101

FRONT-END

Q203.204

0236

237

AMP

—

—=

Saas

RV801

202

APE

Q201.202

AMP

IC801

IC3014

LA34014

Icee1

LA2230

AM/FM

SELEC

(1)

LA1235

ROS

‘

LEVEL

DECORDER

METER

AMP

MUT-LEVE

Q451

Q453

AME

(LW

ON)

LA1245

Ic802

Rv301

AM.

/IF/SMIX/Z

Q454

(LW

ON)

FE451

FRONT

—END

ats!

RELAY

ORIVE

TUNING

Ic601

UPD75512GF-086-389

CONTROLLER

Q455

OSC

(MW

ON)

CxX7925B

PLL

Q601,0617

RESET

DET

(MW ON)

ROTARY

SWITCH

ENCORDER

S01

SCK1

LCeos

ieee

SWITC

fears

eix

[oho]

jos

+13V

4.19MH2

LC7070N

ROS

SYNC

DATA

CLK

RESET

IC701

LC7511E

DISPLAY

CONTAL

DRIVE

SEGMENT

GAID

1-36

15-4

X801

4MH2zZ

FL7014

FLUORESCENT

DISPLAY

TUBE

ST-S590ES

a232

Ic251

SWITCH

LA1235

@203.204

DET

—

AMP

eee

pote]

351.352

CNU304

BLEND

OUTPUT

CF202

oud

RDS-

BPF

SWITCH

jouTPUT

C203

DEAE

Lpraod

Hee

IC801

TC301

RCH

(7)

FILTER

Iceet

AM/FM

SELECT

(1)

LA1235

DECORDER

MPX

LEVEL

METER

AMP

MUT-LEVE

AM,

/IF/SMIX/Z

OSC/DET

CONTROL

CN601

OUT

$701

—

$712

$714

—

$720

$722—$728

FUNCTION

SWITCH

402

MATRIX

Ic601

Dso

7.2MHz

UPD75512GF-086-389

TCH

CONTROLLER

ON)

RESET

IC5014

CX7925B

PLL

Q601.0617

RESET

—

PT904

$904

p904,902

POWER

PC901

vy «<

RECT

TRANSFORMER

AC IN

OFF

Q5e21

o <

fo)

BAND

ROTARY

[nan

4¢

«—_—__

——_§_ro—$_(T

%2]

SWITCH

ENCORDER

1c804

Q522

a523

$01

SCKi

AST

afc

ioe

4ee

SWI

ted,

aes

52YS0\67)

pest

rcH

[oo

Le}

Ete

S43

Bt+

B+

-SKO—OO

4.49MH2z

Icsg02

Paes

LC7070N

ast

ROS

SYNC

OATA

CLK

RESET

IC701

LC7511E

(1)

(18)

DISPLAY

CONTAL

DAIVE

SrAMENT.-

“BRIG

XB801

4MHz

Fil

FL701

FLUORESCENT

DISPLAY

TUBE

ST-S590ES

3-2.

PRINTED

WIRING

BOARDS

[

SEMICONDUCTOR

LOCATION

cae

ANTTENA

SEM

Rete

TerneAUAOUTE

[RetNo.

[_tocoion

Rat

No-

tovaton

—

752.

COAXIAL

LA5667

2SK246-GR3

c-9

[TUNER

B0ARO)

one

G-4

(CHASSIS)

SGo

H-4

H-2

11ES2

HZS27-2L

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

1N4148M

cathode

encode

2SC2603-EF

2SC2669-OY

DTA144ES

D-3

E-6

Boe

E-6

E-7

TP602

2SK161-YGR

E-7

\guto

stor

E-8

F-8

7T7™rOoOOT

OyNwMo

Note:

O-—

parts

extracted

from

the

component

side.

Hs:

parts

mounted

the

conductor

side.

indicates

side

identified

with

part

number.

Pattern

the

side

which

seen.

3-2.

PRINTED

WIRING

BOARDS

YNDUCTOR

LOCATION

TM6OL

ANTTENA,

———{contror

s}+—__—_

CNJ301

OUTPUT

CNGO!

CN6O2

COAXIAL

OUT

[TUNER

BOARD

(CHASSIS)

rrrTrTryg

mmr

7TaamamMmmm

OWOUnUn

cole)

itl

mmmoo

(CHASSIS)

Tmmmm

1-644-111—

7zrde00T

extracted

from

the

component

side.

mounted

the

conductor

side.

cates

side

identified

with

part

number.

attern

the

side

which

seen.

1704-334

~~]

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