Panasonic SG-J500 (K) Manual de usuario

Service

Manual

MW/FM

STEREO

RADIO

WITH

CASSETTE

TAPE

DECK

AND

RECORD

PLAYER

ORDER

NO.

SD83072600C2

Portable

Stereo

SG-J500

(K),

(W)

[EX]

[EX]:

Denmark,

Specifications

AMPLIFIER

SECTION

POWer

OUtPUt

.....05..cisvsnssiccsereseess

AC:

MPO

(THD

10%,

62)

RMS

1.9W

(THD

10%,

DC:

RMS

(THD

10%,

62)

TUNER

SECTION

Frequency

Rangeé.............::cecceeees

87.5

MHz

108

MHz

Intermediate

Frequency

(IF)............

10.7

MHz

Sensitivity

2.8

(at

kHz,

kHz)

(DIN)

752

Stereo

Separation..............ecee

(at

kHz,

dB,

kHz)

TUNER

SECTION

Frequency

[email protected]:cccceeees

525

kHz

1605

kHz

(571m

187

Intermediate

Frequency

(IF)............

450

kHz

SONSIIVIRY

<scccicsrsiveseccssesssncenccaazerevees

220

uV/m

MHz)

TAPE

DECK

SECTION

Deck

System

isccccsicsesssssssernceossoantonny

Auto

stop

Track

System.

...

4-Track,

2-Channel

Head

Type.

.....

Hard

Permalloy

(Rec/Play)

Double

Gap

Ferrite

(Erase)

Recording

System

...........:::c:eeee

Bias

(50

kHz)

Erasing

System..

Erase

(50

kHz)

Tape

Speed...........

4.8

cm/sec.

Frequency

Response

kHz

Signal/Noise

Ratio

(DIN)

WOW

SclFIUtteh

c.cesecvascccccesssonisncs

0.2%

(WRMS)

Panasonic

Finland

PHONO

SECTION

Turntable

System

..........ccccccceeeeeee

Belt

drive

Turntable

Platter...

16cm

Turntable

Speed

..............cccceceeeeee

33-1/3

rpm

and

rpm

PRONO-MOtOl

..sscisersissscvessesseccacsunns

Electro-Governor

Motor

Cartridge

Ceramic

cartridge

(EPC-13STH)

RPI

ass

casted

cevesnaneuivecchseemeeoniaiensiseadk

Sapphire

tip

(EPS-41ST)

Stylus

Pressure

Range..............05

5.99

SPEAKER

SYSTEM

SHOGNOE

siccccicccnetnnuutiinneteianuiies

Dynamic

Speaker

Input

Impedance.................

eee

GENERAL

Power

Consumption...................005

15W

Power

Supply

wciccisscsrcsssccessssssnsvescees

110V/120V/220V/240V,

50/60

Battery:

12V

UM-1,

“D”

size

battery)

Car

battery:

optional

car

adaptor

395

273

209

WIGKE

vice.

cciecsascscveroivancucexeusbegrecs

(without

batteries)

5.8

(with

batteries)

Specifications

are

subject

change

without

notice

for

further

improvement.

Matsushita

Electric

Trading

Co.,

Ltd.

P.O.

Box

288,

Central

Osaka,

Japan

CONTENTS

Page

SPOCIPICATIONS..........ccececccneeesserceeetessceadencccsseasseeceneeeeeesenssoees

BIO

DAG

GAIN

seicaicscin

cise

sosenstonwonaudeehatarmnuncbedevnumueen

dienes

OCAUSIT

COMUOIS

css

schoncatcadeedanracenededendendeucoulwenniconel

eters

Parts

Location

Cabinet

and

Chassis................000000

Disassembly

Instructions

................ccccccceeeeeeceeeeeeeeeeeeeeeeeees

Replacement

Parts

List

Cabinet

and

Chassis...............

Measurements

and

Adjustment

...............:::ccceeeeeeeeeees

4~6

Parts

Location

Record

Playet.....................00.cccccecceeseeees

Tape

Deck

Service

Aid............cceceeececccceceeteeeeeeeettteeeeeeeeees

Replacement

Parts

List

Record

Player..............0000.00

WIRING

(COMME

CHO

:oeaseasextocecentives

seeoasnseredsaecneemaymacnonenacensets

Parts

Location

Cassette

Tape

Deck...

Replacement

Parts

List

Replacement

Parts

List

Cassette

Tape

Deck...

«ws

SCHEMATIC

DIAQa

Mes

nescevcerseass

cexsonuescxnnss

vested

teeseedmesnrateta:

BIOGK:

Dia

Pani

sicsosscdassnaddacass

tuesecensdnadscaabamuatnesinesaaneastaisvans

Circuit

BOard

00...

0.00...

ccccceccce

cece

eeeeceecesesuueeessessseeesssaneseuaees

LOCATION

CONTROLS

Volume

Control

Cassette

Button

(

pare

stop/eject,

rew,

play,

rec

Mic

Jack

Headphone

Jack

Tuning

Control

Player

Lid

Tone

Control

Player

Open

Button

Function

Button

(

apap

ened

)

Telescopic

Ant.

Jack

(13.2

Voltage

Selector

Accessory

Box

DISASSEMBLY

INSTRUCTIONS

Remove

the

Power

Cord,

Battery

Remove

the

Cabinet

Remove

the

Front

Panel

and

Bracket

Connector

“UI

Battery

Lid

@®

Remove

the

Power

Board

Chassis

Ass’y

w/P.

Board

Reinstall

the

Front

Panel-2

Replace

the

Parts

Board

Cabinet

Main

P.C.

Board

..............

Referto@~@O

Power

P.C.

Board..............

Refer

~0,9

Remove

the

Cassette

Deck..........

Refer

@.6

Remove

the

Chassis

Ass’'y

..........

Referto@

86.0.60,0

Remove

the

Player...............

Refer

8,6

Reinstall

the

Front

Panel

...........

Referto@,@.0.0

MEASUREMENTS

AND

ADJUSTMENT

Radio

Control

Positions

Volume

Control

Tone

Control

Mode

Selector

Maximum

AUTO

Audible

level

speaker

sound

(AM-RF,

FM-RF);

Minimum

(AM-IF,

FM-IF).

Output

signal

generator

should

higher

than

necessary

obtain

output

reading.

Make

certain

that

speaker

system

connected

the

receiver

when

aligning

(or

use

relivant

dummy

load

resistors).

AM-IF

ALIGNMENT

Test

equipment

connection

shown

figure.

Place

unit

into

position.

Place

the

radio

dial

setting

point

noninterference.

Adjust

T202

and

T203

for

maximum

output

and

sym-

metrical

curve.

GENESCOPE CONDITION

Frequency

450k

1F-GENESCOPE

(TP203)

(TP202)

MW-RF

ALIGNMENT

Test

equipment

connection

shown

figure.

Place

unit

into

position.

Place

the

radio

dial

and

signal

generator

setting

513

kHz.

(Set

the

dial

pointer

the

left

end

the

scale

lower

frequency

edge.)

Adjust

L205

for

maximum

output.

Place

the

radio

dial

and

signal

generator

setting

600

kHz.

Adjust

L201

for

maximum

output.

Place

the

radio

dial

and

signal

generator

setting

1645

kHz.

(Set

the

dial

pointer

the

right

end

the

scale

up-

per

frequency

edge.)

Adjust

CT202

for

maximum

output.

Place

the

radio

dial

and

signal

generator

setting

1645

kHz.

Adjust

CT201

for

maximum

output.

Repeat

steps

10.

-IF

ALIGNMENT

Test

equipment

connection

shown

figure.

Place

unit into

position.

Place

the

radio

dial

setting

point

noninterference.

Adjust

T7101

for

maximum

amplitude

and

symmetrical

curve.

(Refer

Fig.

Adjust

T201

for

maximum

amplitude

and

proper

linearity

between

about

100

kHz

markers.

(Refer

Fig.

Note:

Before

aligning,

turn

the

corest

T201

fully

counter-

clockwise.

SIGNAL

GENERATOR

CONDITION

Modulation

Frequency

30%

400

SIGNAL

GENERATOR

OSCILLO-

VTVM_

SCOPE

GENESCOPE

CONDITION

Frequency

GENESCOPE

FM-RF

ALIGNMENT

Test

equipment

connection

shown

figure.

Place

unit into

position.

Place

the

radio

dial

and

signal

generator

setting

87.3

MHz.

(Set

the

dial

pointer

the

left

end

the

scale

lower

frequency

edge.)

Adjust

L101

and

L102

for

maximum

output.

Place

the

radio

dial

and

signal

generator

setting

108.6

MHz.

(Set

the

dial

pointer

the

right

end

the

scale

up-

per

frequency

edge.)

Adjust

CT101

and

CT102

for

maximum

output.

Repeat

steps

Note:

three

output

reading

will

present,

adjustments

must

made

center

frequency.

SIGNAL

GENERATOR

CONDITION

Modulation

30%

Modulation

Frequenc

400

OSCILLO-

VTVM

SIGNAL

GENERATOR

CNT

pian:

Dummy

Antenna

(tP102)

(TP302)

Terminal

MEASUREMENTS

AND

ADJUSTMENT

Radio

STEREO

ALIGNMENT

(FREE

RUN)

;

STEREO

SIGNAL

GENERATOR

CONDITION

Test

equipment

connection

shown

figure.

Modulation

;

Pilot

‘

nore

19%

Place

unit into

AUTO

position.

;

SIGNAL

GENERATOR

CONDITION

Place

the.

radio

dial

and

signal

generator

setting

Output

Level

MHz.

Adjust

VR301

for

kHz

+50

frequency

counter

reading.

Tune

stereo

broadcast

and

confirm

the

frequency

stays

FREQUENCY

kHz

COUNTER

gtenna

3irP102\(TP301)

ste

MPX-SIGNAL

GENERATOR

SIGNAL

GENERATOR

a(TP302KTPSO2}o

Sees

‘

sc!

452

cet

602

ADJUSTMENT

POINTS

ANT

OSC

ANT

SG-J500

(MX)(EX)

MEASUREMENTS

AND

ADJUSTMENT

AZIMUTH

ALIGNMENT

Test

equipment

connection

shown

figure.

Playback

test

tape

QZZCAC.

(10

kHz,

—20

dB)

Speaker

Adjust

screw

for

maximum

indication

for

equal

output

Terminals

both

channels.

After

alignment,

lock

the

head

adjust

screw

with

lacquer.

VTVM

OSCILLOSCOPE

ERASE

BIAS

ALIGNMENT

Test

equipment

connection

shown

figure.

Place

unit into

TAPE

position.

Place

cassette

deck

into

recording

mode.

Adjust

VR803

for

10.5V

+0.5V

VTVM.

(TP801)

(TP802)

Blade

‘Screwdriver

TAPE

DECK

SERVICE

AID

When

the

cassette

tape

caught

around

the

capstan

shaft:

Remove

screws

the

cabinet,

and

open

the

front

panel,

then

turn

the

flywheel

counterclockwise.

Front

Panel

VNN3LINV

d0O71

VNN3LNV

dou

MOld

YOLOW

3113SSV9

LHOIY

yaNvads

aguoo

NOILOANNOO

ONIYIM

1337

Yyayv3ads

REPLACEMENT

PARTS

LIST

NOTE:

Important

safety

notice:

Components

identified

mark

have

special

characteristics

important

for

safety.

When

replacing

any

these

components,

use

only

manufacturer's

specified

parts.

Parts

No.

listed

this

Parts

List

are

Service

Parts.

Description

Part

No.

(Unit:

ERD2SFI4R7

4.7

ERD2SFJ1S2

1.Sk

ERDZSFJ472

4.7

ERD2SSFUS61

S360

ERD2SSFIS61

Hoo

ERD25TJ223

Numbering

System

Resister

467

Type

Wattage

Tolerance

Value

scab

hackle

ERDZSFJ472

47k

Three

Letters

One

Two

Letters

Two

Three

Letters|

[Three

Four

Letters

ERDSSFISRS

6.8

Example:

Sere

“Sd

—

ERD

101

ERDZSFJ471

470

ERDEFCJ4R7F

4.7

R904

ERDSFCJU4R7F

4.7

Resistor

Type

Tolerance

+1%

+5%

+10%

Carbon

Film

ERC:

Solid

ERX:

Metal

Film

ERG:

Metal

Oxide

Film

ERO:

High

Stability

Metal

Film

ERF:

Flaneproof

Wire-Wound

Bath-Tube

ERQ:

Fuse

Type

Metal

Film

Chip

Description

(Unit:

Part

No.

Description

(Unit:

R412

ERD2Z57TI153

15k

R415

ERD25TJ1

18k

R414

ERDZ5TJiS=

18k

R1ds

R415

ERD25FUIS62

5.k

R103

R416

ERD25FI562

5.6k

R104

nee

R106

RLO?

R108

get

RLOF

ERDZSFI479

Riio

R425

ERD25TJ105

R426

ERD25TJ105

R427

ERD25TI104

100k

ERD2STJ474

ane

nas

ERD2SEJ182

123k

R428

ERD25S7TI104

100k

R429

ERD25TJ273

27k

‘

ERD2STJ273

27k

ERD2SFJ102

ERD2SFJ4R7

ERD2SFJZ21

ERD2SFJ6S82

ERD2SFU471

ERD2SFJ102

ERD2S5TJ474

ERDZSFUS62

ERDZSFJ120

ERD2STJ1S3

ERD257TJ153

ERDZSFI4

ERDESFJU4

ERD2STJ153

ERD25TJ15°

ERDZSTJIS3

ERD2STJIAISS

ERD2SFJ472

ERD2SFJ101

ERD2SFJ102

ERD2SFJ470

clin

cps

25TI104

ERD25TJ274

ERD2ST327

ERD2SFJaBo

ERD25FJ680

ERD25Fd222

ERD2SFJ222

ERD25TJ1@3

ERD257TJ183

ERD2STJ1iS3

Bpeceroeri

ReOS

ERD2STJ393

SCHEMATIC

DIA

AMP

MIX

OSC

AGC

AFC

AMP

T2032),

sig

Te0

101

TP1Ol

lol

AN7213

2SC

1359

‘

RIOT

CF201

cere

AMP

ot}

sleai

Q201

een

2SA733

———

)

Rais

R210

202

J22P

RIO9

iol

clol

R108

Ic20ol

eal

Cad

fo}

DAMPER

D201

IOEI

FM/AM

IF}

AMP,

DET,AM

MIX

OSC

1c20l

AN7220A

AVC

ro)

D202

SF3-1

(FM

Move»

!05S1

MONO

R209

100

470

"el

©—@

SWITCHING

D203

I50O

Fi-

MIC

AMP

(TAPE)

(PHONO)

(TAPE)

(PHONO)

Raaz

case

TOO

rome)

803,804

2SD1302

PRE

AMP

401

z2S

R503

APC

1228H

sT-i

REC

AMP

sis

0403,

404

2803

|[o|

848.|

’

1c40!

2SC945L

()

2°

<Sk_

Rsos

Ra19

3.3K

Oeaoar

R417

c4i9

R425 c423

R415

5.6K

3.3K

50V4I

KO.9022

c4ol

MIO

R429

Loh

—+

sled

TP803

TP804

R412

1/5

15K

¢5

re)

5°

fo)

rey

R/P

HEAD

ele

R420

3.3K

ot]

€

raise

56k

315K

50V4

Ko_0022

es)

ch——

—t

sl]

coe

R819

22K

%04

sls

MUT

ING

2401,

402

2SD

1302

aot

R60!

3.9K

R431

R602

3.9K

of S|

R432.

L__

ERASE

HEAD

Weel

ess

Mc-2

¢ &

MOTOR

CONTROL

IC80l

C8I7

|IOM47

BIAS

OSC

SWITCH

ING

Q8ol

D804

D401

2SD592NC-R

27W

ISO

This

diagram

might

modified

without

notice

for

further

development

technology.

MATIC

DIAGRAM

TERMINAL

GUIDE

B 8

000

000 000

000

MPX

Q201

301

Sf-1

st+2

‘ST=3

sT-4

2SA733

PAPCII9TC

(3):

also

(BOTTOM

VIEW)

Q201

QI0l,40I~

405,

801,803,

804

O|1

O05

-~CD)

(TD-

(6)

40 03

T101,201

T202,203

T8OI

L201

DIOI~

104

D202,901

[9-1]

[1.5

]

[2.0]

[0.7]

[

[0.4]

fing

aaa

0.7

D201,902~

904

sso!

° °

S301

ooo

SF5

SFI-4

SFiI-2

e000

000

STEREO

EYE

fa)

D301

LN224RPH

“

SFI-~

SF5

Q90!

D301,

302

AVC

(BOTTOM

VIEW)

(BOT

D202

POWER

INDICATOR

TOM

VIEW)

1051

D302

LN224RPH

R209

100

hes

SPEAKERS

101

12-3

—

Icsol

Ic7Ol

I1c40l

30!

(TOP

VIEW)

(FRONT

VIEW)

NOTES

HEADPHONES

indicate

voltage

values

ING

804

SFICYSF5S

Function

selector

switch

"FM"

position

——

tape,

——

phono,

SF3

—

FM,

S301——

mono/stereo

—

R503

SFI-5

Power

switch

off"

position

mine

sg0l

Power

voltage

selector

"220V"

position

tte

POWER

AMP

$802

Phono

speed

selector

switch

position

15K

70l

$903

AC/DC

selector

switch

"AC"

position

= =

LA4500

" 7

Dil

Tape

motor

switch

off

position

”

“

ST-I7™~ST-4

Rec

play

selector

switch

play

position

s80l

Muting

switch

position

Phono

motor

switch

off"

position

fo}

9901

STABILIZER

Q90!1

Tolerance

eer

lepe

RECT

M=+t20%,

2738

K=t10%,

J#t5%

D902,

903

DSI35

voltages

are

measured

with

R819

22k

(3)

TrAPE)

1100

els

VTVM

under

signal

condition

FM,

—

Reel

7e20

STR

AM.

position

oot

R601

3.9K

BE5Le

apPaTe

<§

R602

3,9K

c905

16v100

ema

Jee

OOK

LO)

(On

—

IMPORTANT

SAFETY

NOTICE

Mc-3

PROTECTOR

|B]

DAMPER

D904

Components

identified

mark

have

DSI35TD

DI02,103

special

characteristics

important

for

safety

AMI5O

(ole

ews

When

replacing

any

these

components,

use

only

manufacturer's

specifled

parts.

J500

—{

KEX)

(WEX)

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Sherwood S-2660CP Manual técnico