Panasonic SG-1800 Manuale utente

CAD)

ORDER

NO.

won

Stereo

Music

Center

FM/MW/SW1/SW2/FM

STEREO

SG-1

800

WITH

CASSETTE

TAPE

DECK

felts

FM/MW/SW1/SW2/FM

STEREO

WITH

CASSETTE

TAPE

DECK

AND

800P

RECORD

PLAYER

FM/MW/SW1/SW2/FM

STEREO

WITH

CASSETTE

TAPE

DECK

AND

800C

RECORD

CHANGER

hiniies

herenercuitate

themes

baane

Sane

-s

Sse

Matsushita

Electric

Trading

Co.,

Ltd.

National

Panasonic

oan

24,

DISASSEMBLY

INSTRUCTIONS

Remove

Dust

Cover

Turn

Retaining

Clip

Remove

Record

Player

Board

Pull

Knobs

Remove

Escutcheon

ree

Pi]

\—

Button,

POWER

@®

and

LOUDNESS

@®

Remove

Counter

Belt

and

Cassette

Deck

SG-1800

™

Replace

Parts

P.C.

Board

.......

Refer

toQ@-@.

Remove

Escutcheon

.....,.......

Refer

to@,@-@.

Remove

Cassette

Deck

...........

Refer

109

,0-@.

SG-1800P/SG-1800C

Replace

Parts

onP.C.

Board

...

2...

Refer

to@-6.

Remove

Escutcheon

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

Refer

to@

-6.0-9.

Remove

CassetteDeck

...........

Refer

00-9

,.0-@.

SG-1800/SG-1800P/SG-1800C

{4]

DIAL

CORD

STRINGING

GUIDE

Notes:

Diat

Drum...

Turn

fully

clockwise.

Dial

Cord

Length

.......

142mm

ALIGNMENT

POINTS

FMOSC

Telnmer

OFM

(FT)

ANT

Col

OSC

Coll

L102

ANT

Trimmer

Dic

1FT

OSC

Calf

F204

Oie

8W2

ANT

Colt

SW2

ANT

Timmer

IFT

SWt

ANT

Colt

2nd

ANT

Trimmer

SW1

ANT

Trermer

JAW

OSC

Trimmer

ire

Fresflun

Earth

Separation

SW2

OSC

Trimmer

SG-1800/SG-1800P/SG-1800C

{5}

ALIGNMENT

INSTRUCTIONS

RADIO

ALIGNMENT-1

Controt

Positions:

Volume

Control

Maximum

(AM-4F

and

RE,

FM-RE};

Minimum

(EM-1F)

Treble

Control...

Canter

Bass

Control

Center

Balance

Control

Center

Function

Selector

Radio

Power

Switch...

Speaker

Switch...

Loudness

......

OFF

Band

Selector...

MW,SW1,SW2,FM

AUTO,

MONO

Output

signal

generator

should

higher

than

necessary

obtain

output

reading.

Make

certain

that

spaaker

system

connected

the

receiver

when

aligning.

(or

use

dummy

toad

resistors).

BONAASWN

—

SIGNAL

GENERATOR

SWEEP

GENERATOR

INDICATOR

(VTVM

SCOPE)

RADIO

DIAL

SETTING

AbIvst

REMARKS

CONNECTION

FREQUENCY’

Fashion

loop

several

turns

wire

and

radiate

signal

into

foop

receiver,

Connect

EXT

antenna

and

ground

through

Oummy

antenna.

20,

Receiver

1259F

32011

400pF

(Sw2)

OUMMY

ANTENNA

465

kHz

30%

Mod.

with

400

AMF

AND

ALIGNMENT

Point

non-

Interference

550

kHz

30%

Mod.

with

400

}

550

kHz

(18.3

mm)

1500

kHz

30%

Mod.

with

400

Hz.

2.3

MHz

30%

Mod.

with

400

Hz.

MHz

30%

Mod.

with

400

1500

kHz

(157.4

mm}

Output

meter

across

speaker

jack

(L)

2.3

MHz

TP2

and

TP3

(earth)

(7.0

mm)

MHz

(168.8

mm)

MHz

(6.3

mm)

MHz

30%

Mod.

with

400

Hz.

MHz

(168.1

mm)

7201

(MW

3st

IFT)

1202

(MW

2nd

IFT)

1203

(MW

3rd

tFT)

Adjust

for

maximum

output.

L201

(MW

ANT

Coil)

£204

(MW

OSC

Coil)

Adjust

for

max

imutn

output

sliding

coll

L201

along

ferrite

core.

Refer

Note.

C¥202

(MW

ANT

Trimmer)

CT204

(MW

OSC

Trimmer)

£202

(SW1

ANT

Coil)

L205

(SWf

OSC

Coil)

Ct201

(SW1

ANT

Trimmer)

C1205

(SW1

OSC

Trimmer)

Adjust

for

maximum

output,

Repeat

steps

(2}

and

(3),

Adjust

for

maximum

output

sliding

coj!

1.202

atong

ferrite

core.

Refer

Note.

Adjust

for

maximum

output.

Repeat

steps

(4)

and

(5).

£203

(SW2

ANT

Coil}

1.206

(SW2

OSC

Coil)

Adjust

for

maximum

output,

C¥203

(SW2

ANT

Trimmer)

CT206

(SW2

OSC

Trimmer)

Note:

Cement

antenna

coil

with

wax

after

completing

alignment.

SG-1800/SG-1800P/SG-1800C

Adjust

for

maximum

output.

Repeat

steps

(6)

and

(7).

ALIGNMENT

INSTRUCTIONS

RADIO

ALIGNMENT-2

SIGNAL

GENERATOR

SWEEP

GENERATOR

RADIO

DIAL

INDICATOR

ADsusT

REMARKS

SETTING

CONNECTION

[Frequency

FMIF

AND

DETECTOR

ALIGNMENT

STEP

(VTVM

SCOPE)

Adjust

7101

for

maximum

amptitude

and

symmetrica'

4101

(FM

1st

(FT)

curve.

;

7204

(FM

Disc.

1FT)

Refer

Note.

High

side

through

1pF

10.7

MHz

Point

non-

COnsACE

NEE

MITE:

between

point

TP1

and

(400

kHz

interference

fon/|

'NPUt

oLaore

TPS

TP4

(earth).

Swe.)

about

Miz)

between

point

Adjust

for

maximum

and

TP4

learth).

amplitude

and

proper

linearity

between

about

£100

kHz

markers.

T205

(FM

Disc.

IFT)

Note:

Sefore

aligning

step

turn

the

cores

1205

fully

counterclockwise.

FM-RF

ALIGNMENT

Connect

EXT.

antenna

terminal

through{

tbr

Mie

L102

(FM

ANT

Coll)

Adjust

for

maximum

Oummy

antenna.

soe

Mon,

(23.6

mm)

L101

(FM

OSC

Col)

output.

Common

chassis.

with

400

Output

meter

across

SSG

37.5

persed

ele

vee

(ienp.

@art

751

Tat

Receiver

106

MHz

cT101

Adjust

for

maximum

30%

Mod

106

MHz

(FM

ANT

Trimmer}

oulput.

;

(147.5

mm)

C1102

Repeat

steps

(1)

and

(2).

DUMMY

ANTENNA

wane

(FM

OSC

Trimmer)

—+-

Note:

three

output

readings

will

present,

adjustments

must

made

center

frequency.

STEREO

ALIGNMENT

FREE

RUN

ALIGNMENT

Control

Positions:

Volume

Controt

Audible

level

speaker

sound

Frebie

Control

Bass

Controt

Band

Setector

Balance

Control

....

Center

EQUIPMENT

CONNECTION

ADJUST

REMARKS

Connect

frequency

counter

TP6

and

TP4

{earth)

VA30t

Adjust

VA301

for

kHz

+100

frequency

signal

condition.

counter

reading.

SEPARATION

ALIGNMENT

Control

Positions:

Stereo

Modulator:

Connect

Stereo

Modulator

EXT

Mod.

terminat

signal

generator.

Signal

Generator:

Modulation

Rate

kHz

Pilot

Signal

Modulation

Rate

Right

and

Left

Signal

Output

Level

Tuner

(Balance

Control)

Adjust

balance

control

that

output

tevel

from

both

channets

becomes

equal.

EQUIPMENT

CONNECTION

SIGNAL

GENERATOR

VTVM

OSCILLOSCOPE

Connect

EXT.

an-

bilingual

Connect

across

Connect

verticat

Adjust

VA302

for

minimum

indication

VIVM

speaker

jack

amp.

input

VR302

from

the

left

side

output

when

the

right

side

TP2

and

TP3

scope

terminals

(Separation

stereo

modulator

modulated.

(earth)

VTVM

Controt)

Adjust

VR302

the

same

way

for

the

right

side,

Adjust

for

best

balance

between

“L

and

“R

L”

separation,

ADJUST

REMARKS

OUMMY

ANTENNA

Note:

When

aligning

separation,

disconnect

frequency

counter.

ADNANIO

Aannnt

Aan

anna

ete

eet

ALIGNMENT

INSTRUCTIONS

CASSETTE

TAPE

DECK

ALIGNMENT

Controt

Positions:

Function

Selector

...

2.2...

TAPE/MIC

BalanceContro)

2...

Center

Tape

Deck

Condition

soe

eydifs

Recording

Condition

CT801

CcT802

Sree

ALIGNMENT

VTVM

CONNECTION

TP?

TPH

Bias

Voltage

TPS

TRI

R/P

Head

Speaker

Azimuth

Terminal

L£ANAIMM

AMMAN

IAM

48a

ARAM

ALIGNMENT

POINTS

(CASSETTE

TAPE

DECK)

REMARKS

Set

CT8O1

and

CT802

canter

position.

“

ot?)

cect

rS)

crao1

pe)

cTe02

Ho)

creoz

bt")

Adjust

CT801

and

CT802

for

both

equal

valua

VTVM

reading.

)

Adjust

VRB01

get

3.3

reading

VIVM.

—_———

Adjust

screw

for

maximum

indication

VTVM.

(Test

Tape

VTT-652).

REC/PLAYBACK

Head

pynreoentad

MECHANICAL

ADJUSTMENT

CASSETTE

TAPE

DECK

PRESSURE

ROLLER

ADJUSTMENT

Switch

set

to:

“OFF”,

remove

main

belt

and

make

sure

that

take-up

reel

and

take-up

cluich

are

rolating

smoothly.

Change

take-up

clutch

tension

lurning

the

{riction

spring

under

reel

table,

and/or

Replace

take-up

clutch.

Switch

set

PLAY.

(Do

not

insert

cassette.)

Hook

Spring

gauge

arm

pressure

roller.

Pressure

Rolier

Friction

Speing

Capstan

Take-up

Clutch

Assembly

Pull

pressure

roller

away

from

the

capstan

the

direction

arrow

with

spring

gauge

and

slowly

permit

the

pressure

roller

return

toward

Capstan

the

direction

arrow

MOTOR

PULLEY

ADJUSTMENT

Measure:

tension

time

when

pressure

roller

When

replacing

the

motor,

adjust

the

clearance

makes

contact

with

capstan

(or

when

pressure

between

motor

and

motor

pulley

figure

below.

roller

starts

rotating.)

The

standard

tension

pressure

roller

should

250

380g.

pressure

not

within

these

limits;

Clean

the

rubber

roller

and

capstan

with

soft

cloth

moistened

with

alcohol

replace

pressure

spring.

TAKE-UP

TORQUE

ADJUSTMENT

Test

Tape:

SRK-CT

(Take-up

Torque

Meter)

Insert

test

tape.

Rewind

the

tape

its

starting

point.

Switch

set

PLAY.

Read

“*"

mark

indicator

take-up

side.

PoOnM—

Iindicalor

CASSETTE

TORQUE

METER

QZZSAK-CT

Torque

Scale

Repeat

PLAY-STOP

several

times

and

read

the

average

tension.

The

standard

take-up

tension

should

g.cm.

take-up

tension

not

within

these

limits;

Clean

main

belt,

take-up

reel

and

al!

parts

which

contact

them

with

cotton

swab

moistened

with

alcohol,

and/or

fal

A24ANNIAM

ANRAANRIN

«2nnne

SERVICING

THE

RECORD

CHANGER-1

(SP-915ECA)

(SG-1800C)

CARTRIDGE

REPLACEMENT

LUBRICATION

Remove

Install

Remove

Screw

@®

Remove

Turntable

Location

Stopper

Ring

Remove

Wires

Grease

(SZ0GM0380)

Cartridge

Grease

SZOGM0380

Coronex

No.

SG-1800C

SERVICING

THE

RECORD

CHANGER-2

(SP-915ECA)

(SG-1800C)

STYLUS

DROP

POINT

ADJUSTMENT

Adjust

Screw.

TONE

ARM

LIFTING

HEIGHT

ADJUSTMENT

High

Tone

Arm

Adjust

Screw

Low

Tone

Arm

Record

SERVICING

THE

RECORD

PLAYER

(SP-510B)

(SG-1800P)

CARTRIDGE

REPLACEMENT

LUBRICATION

The

record

player

has

been

thoroughly

lubricated

the

©:

Install

factory

and

under

normal

use

should

not

require

ad-

Remove

ditional

lubrication.

When

replacing

some

parts,

Push

Down

however,

may

necessary

lubricate

the

parts

specified.

Grease

STYLUS

REPLACEMENT

Note:

;

not

allow

grease

touch

motor

pulley,

belt

and

turntable.

SG-1800P

[12]

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