Pioneer PL-560 Manuel utilisateur

Autres manuels pour PL-560

2

Table des matières

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Metal

-like

vinyl

cabinet.

WARNING:

TO

PREVENT

FIRE

OR

SHOCK

HAZARD,

DO

NOT

EXPOSE

THIS

APPLIANCE

TO

RAIN

OR

MOISTURE.

~'

.

Features

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

1

Before

Use

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

2

Assembly

Procedure

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

3

Installation

Precautions...........

3

Adjusting

the

Tonearm

...........

4

Connections

to

Stereo

Amplifier....

5

Panel

Facilities

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

6

Operation

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

8

Adjusting

Stylus

Descent

Position...

9

Maintenance

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

10

Troubleshooting

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

11

Specifications

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

12

IMPORTANT

NOTICE

The

serial

number

for

this

equipment

is

located

on

the

rear.

Please

write

this

serial

number

on

your

enclosed

warranty

card

and

keep

it

in

a

secure

area.

This

is

for

your

security.

Quartz

PLL

Brushless

DC

Hall

Motor

This

turntable's

operation

is

based

on

Quartz

PLL

principles.

Under

this

system,

the

waveform

signals

from

ahigh-

position

reference

oscillator,

which

incorporates

a

quartz

oscillator,

are

compared

with

the

output

waveform

signals

of

the

frequency

generator

built

into

the

rotor

of

the

motor,

and

the

rotation

speed

of

Che

motor

is

thus

controlled.

This

system

is

free

from

both

time

and

temperature

drift,

and

it

has

an

excellent

response

to

changing

load

requirements.

It

also

ensures

that

the

platter

rotates

ae

a

precise

speed.

Precision

Parts

for

a

Superb

Rotation

Performance

The

precision

-

engineered

center

shaft

and

bearings

(with

a

centricity

of

less

than

02µ)

as

well

as

the

high

-

inertial

-mass

platter

combine

with

the

Quartz

PLL

brushless

DC

Hall

motor

to

yield

a

speed

deviation

of

less

than

0.025%

(WRMS)

and

asignal

-to

-noise

ratio

of

better

than

73dB

(DIN

-B).

These

are

specifications

which

are

every

bit

as

good

as

those

displayed

by

a

professional

-use

turntable.

Two

-

motor,

Full-

automatic

Turntable

with

Precision

Geared

Motor

Mechanisms

The

lead

-in

and

return

of

the

tonearm

are

performed

by

a

special

precision

geared

motor

mechanism

which

does

not

affect

the

speed

of

the

platter

at

all.

Furthermore,

a

speed

detection

-type

auto

-

return

mechanism

controls

the

tonearm

for

accurate

and

stable

operation

every

time

it

is

returned

to

the

arm

rest.

Specially

Designed

Cabinet

to

Enhance

Sound

Quality

and

Reduce

Occurrence

of

Howl

The

cabinet

features

newly

developed

insulators,

which

the

talents

of

rubber

and

springs,

on

the

40mm

-thick

particle

board.

This

increases

the

internal

loss

and

makes

for

superior

stability,

thereby

preventing

howl

caused

by

sound

pressure

from

arising

and

also

canceling

out

vibrations

from

the

floor.

The

tonearm

is

mounted

on

a

stand

base

which

employs

alarge

-mass

aluminum

diecast

material

for

improved

sound

quality.

~.;

CHECK

THE

ACCESSORIES

The

accessory

box

contains

the

parts

shown

in

the

figure.

Check

that

they

are

all

inside.

The

EP

adaptor

is

used

for

records

with

a

large

center

hole,

and

the

screwdriver

is

required

for

adjustments

and

when

mounting

the

caztridge.

Store

these

parts

safely.

Cartridge

mounting

screws

(6)

Cartridge

mounting

washers

(2)

Cartridge

mounting

nuts

(2~

~

EP

adaptor

Headshell

ATTACH

THE

CARTRIDGE

Fig.

1

You

can

attach

any

cartridge

to

this

turntable

weighing

between

4g

and

lOg

on

condition

that

only

the

accessory

headshell

is

used

with

it.

Follow

the

procedure

outlined

below

for

attaching

the

cartridge

to

the

headshell.

1.

Take

out

the

headshell,

cartridge

mounting

screws,

nuts,

washers

and

small

screwdriver

from

the

accessory

box.

The

screws

come

in

three

different

lengths

so

choose

the

screws

according

to

the

height

of

the

cartridge

you

intend

to

attach.

2.

The

terminals

on

the

accessory

headshell

are

aligned

as

shown

in

Fig.

2.

Check

the

location

and

polarity

of

each

of

the

cartridge's

terminal

pins

and

then

connect

the

lead

wires,

taking

care

not

to

get

the

polarities

mixed

up.

NOTE:

Do

not

solder

when

you

cminect

the

lead

wires

to

the

cartridge.

If

the

Cead

wire

lugs

are

loose,

use

a

pair

of

tweezers

or

a

similar

object

to

pinch

in

the

end

lightly.

Right

channi

Right

channel

ground

Left

channel

Left

channel

grounc

Fig.

2

3.

Attach

the

cartridge

lightly

to

the

headshell

using

the

screws,

nuts

and

washers

(Fig.

3).

Mounting

Mounting

Mounting

yell

d

wire

i

~~'-

Sty

Ws

cover

Fig.

3

4.

Adjust

the

position

of

the

cartridge

so

that

the

stylus

and

the

connector

section

of

the

headshell

are

49mm

apart

and

tighten

up

the

screws.

Make

sure

that

the

cartridge

does

not

tilt

to

one

side

when

you

attach

it

(see

Fig.

4).

o

49mm

-~

Fig.4

ATTACHING

HEADSHELLS

NOT

MADE

BY

PIONEER

You

can

attach

headshells

made

by

other

compa-

nies

as

long

as

the

coupling

portion

has

the

same

dimensions

as

the

headshell

supplied

with

your

PL

-560.

However,

you

should

check

whether

the

terminals

on

the

other

headshell

are

aligned

in

the

same

way.

When

attaching,

make

sure

that

you

do

not

neglect

to

carry

out

the

four

steps

described

on

the

left.

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,.v..

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is

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Rubber

plate.

Plater

Center

shaft

1.

MOUNTING

THE

PLATTER

AND

RUBBER

PLATTER

MAT

Refer

to

the

assembly

figure,

and

place

both

the

platter

and

the

rubber

mat

down

over

the

center

shaft.

The

platter

is

heavy,

so

use

both

hands

to

lift

it

horizontally

over

the

shaft

and

into

position.

2.

MOUNTING

THE

HEADSHELL

Insert

the

headshell

(with

the

cartridge)

into

the

i

.~.

~~

.~~

z

•

"~

z

~

,.

Dust

cover

rg

€~}C~t

i

€E

Counterweight

Counterweight

~~

shaft

C

/'

Headshel

Locking

"o%

~

collar

~~,.

end

of

the

tonearm,

and

rotate

the

locking

collar

in

the

direction

indicated

by

the

arrow

in

the

figure

until

it

stops.

Then

secure

it.

3.

MOUNTING

THE

COUNTERWEIGHT

Slide

the

counterweight

onto

the

counterweight

shaft

on

the

rear

of

the

tonearm

and

push

it

for-

ward.

Then

rotate

it

two

or

three

turns

in

the

direction

of

the

arrow.

When

installing

this

turntable,

make

sure

that

you

avoid

the

following

conditions:

Conditions

to

be

avoided

Possible

prohlems

caused

(i)

Exposure

to

direct

sunlight,

high

temperatures

or

high

humid-

(1)

Can

cause

rust

or

interfere

with

insulation.

itY.

~2)

Unstable

surfaces.

(2)

Will

interfere

with

normal

operation

of

wrntable

(stylus

will

jump.

etc.i.

(31

Dirty

or

dusty

locations.

(3)

Can

cause

scratches.

(4)

Exposure

to

heavy

vibrations,

such

as

on

the

top

of

speakers,

(4)

Can

cause

howl.

etc.

(5)

Proximity

to

power

transformer

of

the

amplifier.

(5)

Can

cause

hum.

(6)

Locations

where

alcohol,

insecticides,

or

flammable

substances

(6)

Can

corrode

dust

cover

or

outside

of

cabinet.

are

frequently

used.

If

the

turntable

is

brought

into

the

warm

from

previously

cold

~f

confronted

with

a

situation

like

this,

leave

the

turntable

in

its

surroundings,

or

if

the

room

temperature

rises

suddenly,

mois-

new

environmenC

for

about

an

hour

or

try

and

increase

the

room

ture

will

farm'

on

the

operating

sections

and

the

to

mta6le

will

temperature

gradually

before

operation.

not

6e

able

to

display

its

performance

to

the

full.

.

'~.'r.5~

~~=-

r•~i~,~~.:&.'.:_:.-

`.^~..

:..

~r_~.'~.F°

~~.,.i..!.,

~aa_..li

-xr"r:

sryr,.

trf

~~f~~::~

F.rr.~f.5.-

~~„y'~~,'r~i

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Frr.S~./'r~'~..:-'s^.:

r.:..;

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~

~

~

:..

~

t

~

~I

RELEASING

THE

AUTO

MECHANISM

Before

adjusting

the

tonearm,

release

the

auto

mechanism

as

follows:

1.

Plug

the

power

cord

into

an

AC

outlet.

2.

Set

the

RECORD

SIZE

selector

to

MANUAL.

3.

Push

the

START

button.

4.

About

10

seconds

after

the

platter

has

started

to

rotate,

the

arm

elevator

will

descend.

Then,

disconnect

the

power

cord

from

the

AC

outlet.

Do

NOT

press

the

CUT

button.

This

operation

releases

the

auto

mechanism

and

the

tonearm

can

now

be

operated

as

you

wish.

LEVEL

BALANCE

ADJUSTMENT

1.

Set

the

ANTI

-SKATE

knob

to

"0"

(Fig.

5).

2.

Remove

the

cartridge

stylus

cover.

3.

Set

the

ARM

-

ELEVATION

lever

to

the

DOWN

~

position.

4.

Release

the

arm

clamp

and

move

the

tonearm

to

the

space

between

the

arm

rest

and

the

platter,

taking

care

not

to

damage

the

stylus.

5.

Support

the

headshell's

finger

lift

with

one

hand

and

attain

the

level

balance

by

turning

the

counterweight

either

clockwise

or

counterclock-

wise.

"Level

balance"

means

that

the

tonearm

is

parallel

to

the

record

on

the

platter,

and

that

the

tonearm

pipe,

therefore,

should

not

tilt

toward

the

counterweight

side

or

the

headsheli

side

(See

Fig.

6).

6.

Return

the

tonearm

to

the

arm

rest

and

fasten

the

arm

clamp.

7.

Attach

the

stylus

cover

to

protect

the

stylus.

ate

knob

ver

Tone

arm

properly

balanced

v~G

Fig.

5

Headshell

end

is

too

heavy

—

Turn

the

counterweight

in

the

direction

of

the

arrow,

~~

Counterweight

end

is

too

heavy

—Turn

the

counterweight

in

the

direction

of

the

arrow.

Fig.

6

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/l_~

raw'

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w/

~.s.~~.;

~~y../

.fn"~~LLr5'r'!

/

/t~~Mr~./~r.'.~~.

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✓

/r~!:'~

"'%.e

r

✓w.~

}3''//'x,`5",

-~_.:-

8.

Since

the

tracking

force

is

zero

when

the

tone-

arm

is

balanced

level,

turn

just

the

tracking-

force

scale

ring

in

front

of

the

counterweight,

and

set

the

"0"

on

the

scale

to

the

index

line

on

the

shaft

(Fig.

7).

TRACKING

FORCE

ADJUSTMENT

Turning

the

counterweight,

set

the

correct

tracking

force

opposite

to

the

index

line

on

the

counter-

weight

shaft

(Fig.

8).

The

tracking

-force

scale

ring

has

0.5g

steps,

and

one

full

turn

of

the

counterweight

will

yield

a

tracking

force

of

4g.

ANTI

-

SKATING

ADJUSTMENT

To

adjust

the

anti

-

skating

mechanism,

turn

the

ANTI

-SKATE

knob

so

that

the

number

corre-

sponding

to

the

required

tracking

force

is

opposite

the

index

line

(Fig.

9).

The

numbers

on

the

ANTI

-SKATE

knob

corre-

spond

to

the

same

number

of

tracking

force.

Tracking-

Cou

nterweig

Tracking

-force

scale

Perform

the

connections

after

you

have

completed

the

tonearm

adjustments.

BEFORE

CONNECTING,

CHECK

THE

FOLLOWING:

Switch

the

power

"off"

of

the

amplifier

to

safeguard

against

damage

to

the

speaker

system.

if

Sou

aze

using

a

Toes-

output

moving

coil

(MC)

cartridge,

you

will

need

a

special

MC

trans-

former

or

a

head

amplifier,

or

you

will

require

a

stereo

amplifier

with

abuilt

-in

MC

amplifier.

CONNECTION

PROCEDURE

(Fig.

10)

1.

Insert

the

phono

cables

(white

and

red)

into

the

PHONO

input

jacks

of

the

stereo

amplifier

(white

for

left

channel

into

L

jack,

and

red

for

right

channel

into

R

jack).

2.

Connect

the

ground

lead

with

the

Y-

shaped

lug

connector

at

the

end

to

the

ground

terminal.

3.

Insert

the

power

plug

into

the

convenience

AC

outlet

of

the

amplifier.

Phono

input

Phono

cables

Fig.

7

ndex

line

Fig.

8

~t

skate

knob

Power

cord

Ground

lead

~

1n~--

Ground

'l.P

~___

inn

terminal

__

Fig.

9

AC

outlet

—__~

0

—__

Fig.

10

5

1O

CUT

BUTTON

Push

this

button

to

stop

the

record

play.

When

pushed,

the

tonearm

will

rise

and

return

to

the

arm

rest.

The

power

to

the

Yumtable

will

then

be

switched

off

and

a

few

seconds

later,

the

platCer

will

stop

rotating.

NOTE:

If

the

REPEAT

button

is

pushed,

the

tonearm

wtl[

retw~n

to

the

arm

rest

and

then

moue

across

agaan

to

the

record.

0

REPEAT

BUTTON

Push

this

button

when

you

want

to

listen

to

the

same

record

again.

Press

the

button

once

more

to

release.

NOTE:

A71

you

have

to

do

for

repeat

play

is

to

press

the

REPEAT

button.

There

is

no

need

to

push

the

START

buttoa

again.

03

START

BUTTON

The

power

to

the

turntable

is

turned

on

and

the

platter

starts

to

rotate

when

this

button

is

depressed.

~

SPEED

SELECT

SWITCH

45

....

When

this

switch

is

depressed,

the

platter

will

rotate

at

45

rpm.

Depress

for

playing

45

rpm

records,

singles

or

EP's.

33

....

When

this

switch

is

set

to

the

released

position,

the

platter

will

rotate

at

33-

1

/3ipm.

Release

for

playing

33

-1

/3

rpm

records

like

LP's.

'5

QUARTZ

LOCK

SWITCH

/PITCH

CONTROL

KNOB

•

When

the

Quartz

LOCK

switch

is

pushed

downward,

the

Quartz

PLL

will

actuate

and

the

strobe

Tight

comes

on.

Normally

use

it

in

this

position.

The

turntable

will

rotate

at

the

precisely

rated

speed

according

to

the

SPEED

SELECT

switch.

o

When

the

Quartz

LOCK

switch

is

pulled

upward,

the

Quartz

PLL

will

be

released

and

the

strobe

Tight

goes

off

and

pitch

meter

Tamp

will

light

up.

If

the

PITCH

CONTROL

knob

is

turned

at

this

position,

the

rotating

speed

of

the

Turntable

will

be

adjusted

up

to

6

%faster

or

slower

than

its

rated

speed.

If

the

knob

is

Burned

in

the

(

+)direction,

the

turntable

rotates

faster,

and

if

the

knob

is

turned

in

the

(

—)

direction,

the

turntable

~atates

slower

than

its

rated

speed.

The

variation

of

the

rotating

speed

can

be

read

out

on

the

PITCH

METER.

(Refer

to

"PITCH

CONTROL

")

D

Dust

Rubber

platter

mat

I:

".

\\\\~

Plaxter

~

~

~-

PITCH

CONTROL

In

normal

circumstances,

the

platter

rotates

at

the

rated

speed

when

the

Quartz

LOCK

switch

is

kept

at

ON.

If

you

want

to

vary

the

speed,

set

this

switch

to

OFF

and

turn

the

PITCH

CONTROL

knob.

If

the

platter

rotates

faster

than

its

rated

speed,

the

musical

intervals

of

the

reproduced

sound

will

be

come

higher,

and

if

it

rotates

slower,

they

will

become

lower.

Nowadays,

there

are

slight

variations

in

the

orchestra

and

other

tuning

sounds

recorded

on

discs.

Further-

more,

pianos

and

other

musical

instruments

for

the

home

are

tuned

to

high

international

standards

and

so

there

are

slight

discrepancies

in

the

musical

intervals

when

practicing

on

the

piano

along

with

a

record.

This

turntable

features

a

pitch

control

which

allows

you

to

compensate

for

the

slight

variations

in

the

musical

intervals

by

making

the

platter

rotate

up

to

6%

faster

or

slower

than

its

rated

speed.

The

com-

pensation

can

be

checked

by

ear.

An

adjustment

of

~6

°/o

is

equivalent

to

about

a

semitone.

ANTI

-SKATE

knob

Arm

elevater

~~

PITCH

METER

.,

..

_,,,,,,,,,,,

,,,,,,,,

_„

,.

When

the

Quartz

LOCK

switch

is

set

to

OFF,

the

pitch

meter

Tamp

will

light

up,

and

the

variation

in

the

rota-

tional

speed

of

the

platter

in

respect

to

its

rating

(33

-1

/3

or

45

rpm)

can

be

road

out

on

the

meter.

I~

6.4

2

,..~

2

4

6+

i

YF~

='==

~

n

~i

i'

I

TROBE

LIGHT

When

the

Quartz

LOCK

is

set

to

ON,

this

light

comes

on

and

lights

stroboscopically.

Then,

the

turntable

rotates

at

its

rated

speed

and

so

the

strobe

dots

remain

stationary.

F

t

,`•➢

,,.

~

r

RECORD

SIZE

SELECTOR

This

selector

selects

the

size

of

the

record

for

automatic

play

and

also

selects

manual

play.

17

T'

....

For

the

automatic

play

of

77cm

(7

-inch)

LP

and

EP

records.

25

10"

.....

For

the

automatic

play

of

25cm

(70

-inch)

LP

records.

30

72°

.....

For

the

automatic

play

of

30cm

(12

-inch)

LP

records.

MANUAL

...

For

the

manual

play

of

records.

NOTE:

The

tonearm

wilt

rzot

be

ac

tu¢ted

when

the

RECORD

SIZE

selector

is

at

the

MANUAL

position

for

p[¢y,

euen

if

the

START

button

mzd

the

REPEAT

button

are

pushed.

ARM

ELEVATION

LEVER

This

lever

controls

the

ascent

and

descent

of

the

tonearm.

d

(UP)

.....

The

tonearm

rises.

9

(DOWN)

...

The

tonearm

descends

gently.

Set

to

this

position

for

auto

play,

auto

repeat

and

other

automatic

operations.

NOTE:

When

the

ARM

ELEVATION

lever

is

set

to

the

UP

posttion

for

autom¢

tic

play,

the

tonearm

will

moue

Doer

as

f¢r

as

the

lead

-an

groove

on

the

record

but

it

mill

not

descer2d

and

the

recm~d

will

therefore

not

be

played.

,RM

REST

The

arm

rest

supports

the

tonearm

when

it

is

not

being

used.

SeT

fhe

tonearm

on

its

rest

when

it

is

not

playing

records.

Clamp

it

into

position

if

you

don't

have

any

immediate

plans

to

play

records

(see

Figure).

Releasing

the

arm

Securing

the

arm

clamp

clamp

7

•

'~

G

~

~.

i

f

i~

RECORD

SIZE

~~

selector

N,

up,~

,z

30~

_

~o'~

es

~•,~

z~z~

~

ARM

-

ELEVATION

E~E~o,~

lever

~

saw

~nEE~

Quartz

Lock

SPEED

SELECT

P~~a

switch

~\

°^S`

r~y

switch(

PITCH

CONTROL

knob

CUT

°~~

~r

°'

"'`

button

°-

START

p`r.i

button

REPEAT

button

AUTOMATIC

PLAY

1.

First,

place

the

record

on

the

platter.

2.

Set

the

SPEED

SELECT

switch

to

the

speed

at

which

the

record

is

to

be

played.

3.

Set

the

Quartz

LOCK

switch

to

Quartz

-PLL.

Refer

to

"PITCH

CONTROL"

if

you

plan

to

leave

the

switch

at

SPEED

ADJ.

and

adjust

the

rotational

speed

of

the

platter.

4.

Set

the

ARM

ELEVATION

lever

to

the

DOWN

position.

5.

Set

the

RECORD

SIZE

selector

in

accordance

with

the

size

of

the

record

on

the

platter.

6.

Remove

the

stylus

cover

and

release

the

arm

clamp.

7.

Press

the

START

button

slowly

(until

you

hear

the

sound

of

the

start

mechanism

being

actu-

ated).

The

strobe

light

comes

on

and

the

platter

rotates.

When

the

platter

rotates,

the

tonearm

moves,

the

stylus

tip

settles

down

gently

into

the

lead-

in

groove

of

the

record,

and

play

begins.

8.

Adjust

the

volume

and

tone

controls

on

the

amplifier

to

the

preferred

levels,

and

then

sit

back

and

enjoy

your

record.

9.

After

the

record

has

been

played,

the

auto-

return

mechanism

is

actuated

and

the

tonearm

returns

to

the

azm

rest.

At

the

same

time,

the

power

to

the

turntable

is

turned

off,

and

the

platter

comes

to

rest

a

few

seconds

later.

10.

Secure

the

tonearm

to

the

arm

rest

with

the

clamp

and

attach

the

stylus

cover

to

protect

the

stylus.

a

MANUAL

PLAY

1.

Place

the

record

on

the

platter.

2.

Set

the

SPEED

SELECT

switch

to

the

speed

at

which

the

record

is

to

be

played.

3.

Set

the

Quaztz

LOCK

switch

to

Quartz

-PLL.

Refer

to

"PITCH

CONTROL"

if

you

plan

to

leave

the

switch

at

SPEED

ADJ.

and

adjust

the

rotational

speed

of

the

platter.

4.

Set

the

ARM

ELEVATION

lever

to

the

UP

position.

5.

Set

the

RECORD

SIZE

selector

to

the

MANUAL

position.

6.

Remove

the

stylus

cover

and

release

the

arm

clamp.

7.

Press

the

START

button

slowly

(until

you

hear

the

sound

of

the

start

mechanism

being

actu-

ated).

The

strobe

light

comes

on

and

the

platter

rotates.

8.

Hold

the

headshell

by

the

finger

lift

and

move

the

stylus

across

the

record

to

the

track

you

want

played.

9.

Set

the

ARM

ELEVATION

lever

to

the

DOWN

position.

The

stylus

will

descend

slowly

to

the

record

and

play

will

begin.

10.

Adjust

the

volume

and

tone

controls

on

the

amplifier

to

the

preferred

levels,

and

then

sit

back

and

enjoy

your

record.

11.

After

the

record

has

been

played,

the

auto

return

mechanism

is

actuated

and

the

toneazm

returns

to

the

arm

rest.

At

the

same

time,

the

power

to

the

turntable

is

turned

off,

and

the

platter

comes

to

rest

a

few

seconds

later.

12.

Secure

the

tonearm

to

the

arm

rest

with

the

clamp

and

attach

the

stylus

cover

to

protect

the

stylus.

REPEAT

PLAY

Proceed

as

follows

if

you

want

to

listen

to

the

same

record

again

and

again:

•

Press

the

REPEAT

button.

The

strobe

light

comes

on

and

the

platter

rotates.

When

the

platter

rotates,

the

tonearm

moves,

the

stylus

tip

settles

down

gently

into

the

lead

-in

groove

of

the

record,

and

play

begins.

m

After

the

record

has

been

played,

the

auto-

return

mechanism

is

actuated,

and

the

toneazm

returns

to

the

arm

rest.

A

few

seconds

later

the

tonearm

moves

over

to

the

record

again,

and

play

begins.

The

turntable

will

remain

in

the

repeat

mode

until

the

REPEAT

button

is

released,

which

releases

the

turntable

from

the

repeat

mode.

e'/

~~~"

~"

i1_l/

G.!

lr.''

~fx?.,

~t"

i`

y'

f~~-

'.~~.✓~~r.,.".tr,'a~'.~x:nr.r~~

S~=srr~v"r.'i.,r'Cf.~c^

-~~3

~.x~r~~'

~~»~~~

~

':

~~7

\~~~~

-~_,

i~

STOPPING

THE

TURNTABLE

DURING

PLAY

Press

the

CUT

button

gently

(until

you

hear

the

sound

of

the

return

mechanism

being

actuated).

The

stylus

will

rise

slowly

from

the

surface

of

the

record

and

the

tonearm

will

return

to

the

arm

rest.

The

power

to

the

turntable

is

then

turned

off

and

the

platter

comes

to

rest

a

few

seconds

later.

NOTE:

Zf

you

push

the

CUT

button

during

repeat

glay,

the

tone-

¢rm

will

return

to

the

arm

rest

¢nd

back

again

to

the

record

for

repeat

play.

INTERRUPTING

RECORD

PLAY

Set

the

ARM

ELEVATION

lever

to

the

UP

posi-

tion.

The

arm

elevation

mechanism

is

independent

of

tpe

auto

mechanism

and

so

the

tonearm

will

ascend

and

descend

irrespective

of

whether

the

turntable

is

set

to

auto

play

or

to

manual

play.

This

is

a

convenient

function

since

it

allows

you

to

choose

just

the

tracks

you

want

to

hear

from

an

LP.

RELEASING

REPEAT•PLAY

MECHANISM

The

repeat

mechanism

only

is

released

when

you

push

the

REPEAT

button

during

repeat

play

and

then

take

your

finger

off

the

button.

The

turntable

is

then

set

to

the

normal

auto

play

mode.

OPERATIONPRECAUTIONS

•

Always

set

the

RECORD

SIZE

selector

before

you

push

the

START

and

REPEAT

button

when

you

want

to

set

the

turntable

to

the

auto

play

or

repeat

play

modes.

This

is

because

the

stylus

will

not

descend

where

you

want

it

to

descend

if

you

change

the

setting

of

the

RECORD

SIZE

selector

while

the

tonearm

is

moving.

You

may

also

damage

the

stylus

and

the

record.

m

Always

clean

the

stylus

both

before

and

after

playing

a

record

with

a

soft

brush

and

try

to

make

it

a

rule

to

clean

the

records

with

a

good

quality

cleaner.

o

When

changing

over

the

headshell,

clamp

the

tonearm

to

the

arm

rest

so

that

the

tonearm

shaft

is

not

strained

in

any

way.

•

Be

careful

not

to

make

the

turntable

vibrate

while

a

record

is

playing

since

this

can

result

in

damage

to

the

stylus

and

record.

•

Do

not

force

the

tonearm

closer

than

40mm

to

the

center

shaft

or

away

from

the

arm

rest.

If

this

distance

is

exceeded,

you

may

damage

the

internal

mechanisms

and

render

automatic

ope-

ration

ineffective.

e

Place

only

one

record

at

a

time

on

the

platter.

If

two

or

more

records

are

stacked

on

the

platter,

the

stylus

will

not

make

proper

contact

with

the

grooves,

and

this

will

impair

the

quality

of

reproduction.

m

Do

not

disconnect

the

power

cord

while

the

stylus

is

still

in

a

record

groove

as

this

may

result

in

damage

to

the

stylus

and

record.

~.

1

If

the

stylus

does

not

descend

onto

the

lead

-in

groove

on

the

record

during

automatic

play,

adjust

as

follows:

1.

Place

a

30em

(12

-inch)

LP

record

on

the

platter.

2.

Go

through

the

operation

for

automatic

play

once

(refer

to

page

8),

and

check

the

level

and

direction

of

the

stylus'

deviation

from

the

norm.

3.

Return

the

tonearm

to

the

arm

rest,

and

then

turn

and

adjust

the

stylus

descent

-

position

adjusting

screw

using

the

accessory

screwdriver

(see

Fig.

11,

12).

•

When

the

stylus

descends

outside

the

lead

-in

groove,

turn

the

adjusting

screw

clockwise.

•

When

the

stylus

descends

inside

the

lead

-in

groove,

turn

the

adjusting

screw

counter-

clockwise.

o

Each

half

-turn

of

the

adjusting

screw

moves

the

starting

point

about

6mm.

NOTE:

Be

very

careful

not

to

damage

the

record

and

the

stylus

when

you

are

adjusting

the

position

of

the

stylus

descent.

Fig.

11

Turn

adjusting

screw

-ems

Turn

adjusting

screw

clockwise.

counterclockwise.

Fig.

12

~/✓„`

vt✓

~_

rE.

Eye

c..-

_fr'~

/!-

.._.t_.,..r.,'G?t.:

u:~~~'yn~i»;..:.

-~~J

lt:,.~_u

t.,

/l.-

'

/.,.._r.`e..

-y.~.r

.'r'„

/9r':

s'~

~e

F~^'

~,.

r~~ra:r

~.~rr~~.

..

rs.rt

"-

CABINET

AND

DUST

COVER

When

the

cabinet

or

dust

cover

becomes

dusty

or

dirty,

wipe

it

clean

with

a

soft

dry

cloth.

Remem-

ber

that

the

surfaces

can

be

corroded

by

furniture

waY,

thinner,

and

benzine

and

also

by

insecticide

sprays.

The

dust

cover

can

be

detached

and

cleaned.

RUBBER

PLATTER

MAT

When

the

rubber

platter

mat

is

dirty,

apply

a

sponge

containing

one

part

neutral

cleanser

to

5

or

6

parts

water

and

wash.

After

rinsing

well,

leave

to

dry

in

awell-

ventilated

location.

Never

leave

it

to

dry

in

the

sun

or

in

front

of

a

heater

since

its

shape

and

color

will

be

changed.

LUBRICATION

The

motor

shaft

and

bearings

of

this

turntable

employ

oil

-less

bearings

and

so

there

is

no

need

for

lubrication.

There

is

no

need

to

lubricate

the

tone-

arm

bearings,

either.

Jr

P.nt~ltvly

rntly

Ulr

t.r,

yr

~q!vrlarl

c,

a

tai.,

uia~

1.

QUARTZ

OSCILLATOR:

This

is

minimally

affected

by

ageing

and

bV

variations

in

the

temperature

and

humidity.

It

generates

a

reference

signal

6y

which

the

speed

ofi

the

phono

m

omr

is

controlled.

2.

FREQUENCY

DIVIDING

CIRCUIT:

This

divides

the

frequency

of

the

reference

signal

generated

by

the

quartz

oscil-

lator.

3.

SPEED

SELECTION

FREQUENCY

DIVIDING

CIR-

C~1~T:

This

divides

the

signal

to

a

reference

frequency

rorre-

s~onding

to

one

of

the

two

platter

speeds,

45rpm

or

33

-i/3

rpm.

It

is

this

signal

against

which

the

signal

from

the

frequency

genera-

tor

will

be

compared.

4.

MAGNETIC

PULSE

SENSING

FREQUENCY

GEN-

EI3F~T~fl:

This

produces

an

altematine7

current

corresponding

m

the

rotation

speed

of

the

mom

r_

5.

PHASE

COMPARATOR:

The

phase

of

the

signals

from

the

platter

frequency

generator

is

compared

with

the

phase

of

the

1

(6.144MHz)

STYLUS

If

the

stylus

tip

is

clogged

with

dust,

the

repro-

duced

sound

quality

will

be

impaired.

Use

a

soft

brush

to

keep

the

stylus

clean

at

all

times.

Be

care-

ful

not

to

touch

the

tip

since

this

may

damage

it.

When

using

stylus

cleaner

(organicsolvent),

benzine

or

thinner

to

clean

the

stylus

tip,

take

care

not

to

allow

any

of

the

liquid

to

come

into

contact

with

the

stylus

holder.

This

may

charge

the

material.

LV

1'1f141

Y

L

lY1V

1

L14

reference

signal

obtained

from

the

speed

selection

frequency

divid-

in9

circuit.

A

corrective

voltage

corresponding

to

the

difference

in

phase

is

produced

and

this

is

added

to

the

motor

drive

current

to

either

accelerate

or

decelerate

the

platter

by

the

amount

required

to

maintain

the

rated

speed.

6.

FREQUENCY

COMPARATOR:

The

frequancy

of

the

signal

from

the

platter

frequency

generator

Is

compared

with

the

reference

frequency

derived

from

The

quartz

oscillator.

The

com-

paramr

enhances

the

PLL

characteristics

to

deal

with

momr

overcu

went,

etc.

7.

BI-

DIRECTIONAL

DRIVE

CIRCUIT:

This

circuit

mn~

trots

the

motor

speed

in

response

to

the

control

signals

which

are

applied

from

the

phase

comparator

and

frequency

comparator.

8.

POSITION

DETECTOR:

The

motor

contains

Hall

ele-

ments.

As

the

rotor

turns,

they

emit

seq

uen2ial

signal

voltages.

Transistor

switching

in

the

bi-

directional

drive

circuit

is

controlled

by

these

voltages.

/

/

//

///

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/

/

/

/

/

///

M

ADC

Motar

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