Pioneer PL-51 User manual

PIONEER

Thank

you

very

much

for

your

purchase

Pioneer

model

PL-51.

You

will

get

many

years

pleasure

from

this

top-quality

stereo

turntable.

get

the

most

from

this

feature-packed

turntable,

please

read

the

operating

instructions

and

the

directions

indicated.

For

the

psychological

benefit

those

who

still

want

use

their

optional

phono

cartridges,

phono

cartridge

equipped

with

this

turntable.

The

first

thing

you

have

attach

your

option

head

shell

referring

the

directions

indicated

the

instructions.

FEATURES

Direct

Drive

System

belt

idlers.

The

servo

motor

drives

the

platter

directly,

resulting

lowest

possible

vibrations

transmitted

the

tonearm.

The

result

new

height

turntable

performance

plenty

for

the

most

demanding

audio

enthusiast.

Electronic

Servo

Control

Turntable

revolution

speed

affected

many

factors,

including

ambient

room

temperature,

etc.,

which

cannot

predicted

corrected

motor

performance

alone.

This

electronic

circuit

comes

into

play

the

touch

button,

letting

you

adjust

the

speed

+2%

during

either

33-1/3

rpm

play.

Precision

Tracking,

Sensitive

Anti-skating

System

Playing

4-channel

records

requires

extra

tonearm

precision,

and

the

PL-51

delivers.

Not

only

with

exactly-balanced

CONTENS

tonearm

design,

but

also

with

ideal

anti-skating

system.

The

result

stable

tracking

over

every

part

the

record

dines

Beatures:

sacs.

Acs

cos.

4-3

ecea

lee

hig

eel

eae

for

brilliant

response

from

the

first

note

the

last.

Eye-appeal

Design

Installation

........

0.0.0...

0.0008.

The

cabinet

set

off

the

natural

beauty

selected

Stereo

System

Setup

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

walnut,

with

smart

black

base

plate.

All

controls

are

grouped

the

right

for

easy

one-hand

Assembly

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

sees

eee

OEKAnON:

Adjustments

...........

0.0

cece

eee

ALL

ATI

Stereo

Amplifier

Connections

..........

Dust

Cover

Attachment

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

Install

the

PL-51

with

the

following

points

mind.

. .

The

place

must

well-ventilated

and

free

from

Parts

and

Their

Functions

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

humidity

and

dust.

Operation

.......

0.000.

cece

eee

The

unit

should

not

exposed

direct

sunlight.

Precautions:

ities

Wess

has

aes

The

unit

should

not

placed

near

any

source

heat.

Troubleshooting

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

00005

The

unit

should

placed

far

from

the

Specifications

sasteaewsbrancueinaitas

speaker

systems

possible.

STEREO

SYSTEM

SETUP

The

PL-51

first-quality

stereo

turntable

and

can

provide

its

full

performance

only

when

combined

with

other

components

equal

quality,

you

should

select

other

quality

components

comparable

this

turntable.

Set

the

system

shown

Figs.

WORD

ABOUT

COMPONENTS

sure

select

the

rest

your

system

with

eye

achieving

sufficient

performance

and

response

that

you

can

make

the

most

your

PL-51.

wise

choice

would

the

Pioneer

components

designed

and

manufactured

provide

these

very

characteristics.

The

Amplifier

There

are

many

types

available:

Integrated

stereo

amplifiers,

AM/FM

stereo

receiver,

stereo

pre-

amplifiers

and

stereo

power

amplifiers.

You

can

take

your

choice

systems,

making

sure

the

one

you

choose

will

blend

well

with

the

speakers

you

select.

Look

for

high

performance

and

stability

amplifier.

The

Speakers

Here

there

are

also

many

possibilities.

You

have

choice

bass-reflex

type

fully-enclosed

type

cabinets,

full-range,

2-way,

3-way

and

other

types

speaker

component

combinations,

and

bookshelf,

floor

type

omnidirectional,

etc.

styling.

With

all

these

choices,

your

main

guide

should

how

well

the

speakers

sound

with

the

rest

your

system.

The

Phono

Cartridge

There

are

magnetic

(moving

coil,

moving

magnet

and

induced

magnet

types)

cartridges

well

semi-conductor

types

and

optical

types.

you

use

moving

coil

(MC)

type

cartridge

with

the

PL-51,

make

sure

your

amplifier

has the

capability

accepting

this

type

input

signal.

PL-51

(RECEIVER)

|O00#

OreeQ

O00]

STEREO

AMPLIFIER

SPEAKER

SYSTEMS

PL-51

STEREO

PREAMPLIFIER

OOO0000

e902

eeee

STEREO

POWER

AMPLIFIER

SREAKER

SYSTEMS

PIONGER

Fig.

ASSEMBLY

avoid

possible

damage

during

transport,

heavy

parts

(such

the

platter)

and

delicate

ones

are

packed

separately

from

the

main

body.

Assemble

them

into

one

unit

shown

the

illustrations.

REMOVE

TONEARM

PACKING

Gently

remove

the

tonearm

packing

shown

Fig.

PLATTER

INSTALLATION

Remove

the

platter

from

its

separate

package

and

slip

onto

the

center

shaft.

CARTRIDGE

MOUNTING

You

will

have

mount

the

cartridge

you

want

use.

the

directions

Fig.

being

careful

connect

the

leads

properly.

Before

tightening

the

cartridge

the

head

shell,

adjust

the

overhang

shown

Fig.

Use

the

overhang

adjustment

gauge

included

among

the

accessories.

HEAD

SHELL

INSTALLATION

Slip

the

head

shell

onto

the

end

the

tonearm

and

fix

securely

with

the

locking

collar

attached

the

tonearm

(Fig.

6).

MAIN

COUNTERWEIGHT

INSTALLATION

The

main

counterweight

slips

onto

the

rear

end

the

tonearm.

Once

slipped

bit

the

threads

will

engage.

Screw

further,

tuming

clockwise

direction

few

times

(Fig.

7).

LATERAL

BALANCE

WEIGHT

INSTALLATION

Slip

the

lateral

balance

weight

onto

its

shaft

and

tighten

about

midway,

using

the

screwdriver

supplied

with

the

accessories

(Fig.

8).

LATERAL

BALANCE

WEIGHT

Fig.

CARTRIDGE

(+)

WHITE

(+)

RED

L(-)

BLUE

R(-)GREEN

Fig.

Adjust

cartridge

that

the

stylus

comes

right

over

this

index

line

Fig.

HEAD

SHELL

LOCKING

COLLAR

TONEARM

COUNTERWEIGHT

Fig.

PIONEER

PARTS

IDENTIFICATION

DUST

COVER

RUBBER

MAT

TURNTABLE

PLATTER

STROBOSCOPE

CORD

TONEARM

FUNCTION

LEVER

WOODEN

BASE

PLATE

Fig.

LATERAL

BALANCE

HEAD

SHELL

TONEARM

MAIN

LOCKING

arm

REST

ARM

ELEVATOR

COUNTERWEIGHT

Sea

TRACKING

FORCE

DIAL

RING

ANTI-SKATING

FORCE

CONTROL

KNOB

Fig.

ADJUSTMENTS

LEVEL

BALANCE

ADJUSTMENT

Set

the

anti-skating

force

control

‘‘0,’’

remove

the

stylus

protector

cover

from

the

cartridge

and

turn

the

main

counterweight

until

the

tonearm

well-balanced

horizontally

(lead

end

and

weight

end

the

same

height).

The

turntable

body

must

course

level

before

this

adjustment

made.

Once

the

level

balance

achieved,

turn

the

front

part

the

main

counterweight

that

its

‘‘0”

reading

aligns

with

the

black

line

the

top

the

tonearm

shaft

(Fig.

11).

sure

turn

only

this

front

ring

the

rest

the

main

counterweight

should

not

moved.

CARTRIDGE

WEIGHT

AND

SUB

WEIGHT

the

cartridge

you

wish

use

extremely

heavy

light

you

will

not

able

achieve

level

balance

with

the

above

method.

For

unusually

light

cartridge,

slip

the

special

weight

plate

(included

the

accessories)

between

the

cartridge

and

the

head

shell.

For

very

heavy

cartridge,

add

the

sub

weight

the

rear

end

the

tonearm

shown

Fig.

12.

LATERAL

BALANCE

ADJUSTMENT

Adjust

the

lateral

balance

weight,

shown

Fig.

18,

that

the

left

end

the

weight

15mm

from

the

end

its

shaft.

Then

retighten

its

screw.

The

screw

should

the

rear

side.

What

“‘Lateral

Balance’?

When

the

plane

between

the

stylus

one

end

and

the

tonearm

pivot

level,

optimum

response

assured.

this

slips

either

the

left

right

then

the

stylus

pressure

will

not

the

same

both

walls

the

record

groove,

affecting

stereo

response.

Lateral

balance

means

keeping

this

left-right

plane

line.

TRACKING

FORCE

ADJUSTMENT

After

the

level

balance

adjustment

complete,

the

tonearm

zero

tracking

force.

Turn

the

whole

main

counterweight

(the

front

part

ring

gauge

will

turn

with

it)

until

the

gauge

reads

the

correct

force

for

the

cartridge.

The

gauge

graduated

between

0.5

and

4.0

grams

(Fig.

14).

TRACKING

FORCE

DIAL

RING

MAIN

COUNTERWEIGHT

Fig.

LATERAL

;

BALANCE

WEIGHT

Fig.

TRACKING

FORCE

DIAL

RING

een

COUNTERWEIGHT

[OD

DEX

LINE

Fig.

PIONEER

ANTI-SKATING

ADJUSTMENT

The

anti-skating

force

control

knob

should

adjusted

the

same

setting

that

required

for

the

tracking

force

(Fig.

15).

For

example,

tracking

force

grams

required,

set

the

knob

What

“Anti-skating’’?

the

record

groove

moves

relation

the

stylus

exterts

force

the

stylus

which

pushes

toward

the

center

the

record.

This

called

“skating

force’?

and

will

actually

cause

the

stylus

“

spate

ANTI-SKATING

FORCE

jump

out

the

groove

and

‘“‘skate”’

too

CONTROL.

KNOB

strong.

Even

when

this

does

not

occur,

the

force

Fig.

distorts

the

sound

response.

The

anti-skating

device

designed

cancel

this

force.

STEREO

AMPLIFIER

CONNECTIONS

The

input

jacks

the

amplifier,

which

the

PL-51

leads

must

connected,

will

vary

according

the

type

cartridge

used.

choose

the

proper

jacks,

consult

.the

instructions

furnished

with

the

cartridge,

then

connect

the

PL-51

leads

follows

(Fig.

16):

Remove

the

and

cords

from

the

PL-51

L-CH

packing

case

and

plug

one

end

each

into

the

proper

PL-51

amplifier

input

jack.

not

CORD

confuse

the

and

connections.

sik

PHONO

The

single

cord

with

metal

clips

each

end

the

ground

lead.

should

firmly

connected

the

ground

GND)

terminals

the

L-CH

GROUND

PL-51

and

the

amplifier.

AMPLIFIER

RECEIVER

Fig.

DUST

COVER

ATTACHMENT

Slip

the

catches

the

plastic

dust

cover

into

their

counterparts

the

cabinet.

sure

press

the

two

sets

catches

together

firmly

(Fig.

17).

Now

the

dust

cover

can

lifted

stay

place

angles

30°

60°.

PARTS

AND

THEIR

FUNCTIONS

FUNCTION

LEVER

This

three-stage

lever

turns

the

motor

and

off,

and

raises

and

lowers

the

tonearm

(Fig.

18).

@OFF

Position

Shuts

off

power

the

motor,

stopping

platter

rotation.

@ON-UP

Position

Switched

from

OFF

this

position

causes

the

platter

begin

moving.

Switched

from

DOWN

raises

the

tonearm

that

the

stylus

leaves

the

record

surface

smoothly.

eDOWN

Position

When

you

are

ready

begin

record

play

move

the

lever

this

position

and

stylus

will

lower

gently

onto

the

record.

ARM

ROWER

ELEVATION

PIONEER

DIRECT

DRIVE

TURNTABLE

STROBOSCOPE

The

proper

part

the

stroboscope

band

read

depends

upon

the

power

source

and

record

speed

shown

below

(Fig.

19).

Fig.

ARM

REST

The

tonearm

should

the

arm

rest

whenever

the

turntable

not

use.

the

unit

moved

transported,

first

secure

the

tonearm

the

arm

rest

with

the

built-in

clamp

(Fig.

20).

33-1/3

RPM

BUTTON

Push

this

button

for

playing

33-1/3

rpm

speed

record

(Fig.

21).

RPM

BUTTON

Push

this

button

for

playing

rpm

speed

record

(Fig.

21).

SPEED

SELECT

33-1/3

RPM

Fig.

———

RPM

ADAPTOR

45rpm

adaptor

supplied

the

accessory

group,

which

permits

rpm

records

fitted

the

PL-51

platter

shaft.

When

the

adaptor

not

use,

keep

the

stub

located

the

upper

right

the

base

plate.

MOLDS

RPM

ADAPTOR

Fig.

———ARM

ELEVATION

DEVICE

This

hydraulic

system

controls

the

height

the

tonearm

according

the

function

lever

setting.

Its

height

can

adjusted

loosening

the

screw.

ELEVATION

Fig.

SPEED

CONTROL

KNOBS

With

either

the

speed

selectors

pressed,

watch

the

appropriate

stroboscope

band.

Adjust

for

precise

speed

(so

that

the

band

appears

stand

still)

turning

that

speed

control

knobs.

Turn

toward@(clockwise)

for

faster

speed,

toward@(counterclockwise)

for

slower.

When

the

stroboscope

appears

stand

still,

the

speed

correct.

SPEED

CONTROL

SPEED

CONTROL

-KNOBS

‘¢

33-1/3

RPM

Fig.

RPIONGCER

OPERATION

The

operation

hardly

anything

difficult

about

playing

records

the

PL-51

once

you

are

accustomed

the

operation.

Simply

these

steps:

Place

record

the

platter.

Remove

the

stylus

protector

from

the

cartridge

and

free

the

tonearm

from

the

rest

clamp.

Move

the

function

lever

from

OFF

ON-UP

(the

platter

will

start

revolve).

Set

the

speed

selector

corresponding

the

speed

the

record.

Watch

the

proper

stroboscope

band

running

and

adjust

the

speed

with

the

speed

control

explained

above.

When

the

stroboscope

appears

stand

still,

move

the

tonearm

that

the

stylus

directly

over

the

starting

point

the

record.

Move

the

function

lever

DOWN.

The

tonearm

will

gently

lower

onto

the

record

and

play

will

start.

you

wish

stop

play

the

middle,

simply

move

the

function

lever

ON-UP.

After

the

record

has

played,

move

the

function

lever

OFF

and

return

the

tonearm

its

arm

rest.

HOW

USE

THE

FUNCTION

LEVER

BEST

The

function

lever

particularly

convenient

when

you

wish

choose

your

favorite

music

songs

only

from

among

the

several

songs

recorded

the

same

side

record.

you

move

the

tonearm

with

the

function

lever

set

DOWN,

sure

lever

very

carefully.

PRECAUTIONS

CHOOSE

LEVEL

LOCATION

the

unit

not

level

various

performance

problems

will

occur,

pay

careful

attention

this

point.

NOT

PRESS

THE

PLATTER

Pressing

the

turntable

platter,

especially

during

play,

can

damage

the

mechanism.

ALWAYS

CLEAN

THE

STYLUS

the

stylus

dirty

sound

quality

will

deterio-

rate;

brush

off

with

soft

brush

from

time

time.

the

record

surface

dirty,

clean

with

record

cleaner

before

playing.

preferable

make

babit

clean

record

surface

before

each

play.

Touching

the

stylus

with

finger

common

cause

stylus

damage,

very

careful

when

handling

the

tonearm

and

when

cleaning.

VIBRATIONS

The

tracking

force

your

stylus

will

probably

extremely

light,

important

place

the

unit

location

protected

from

vibrations.

This

another

reason

why

should

not

too

the

speakers.

NOT

OPEN

THE

SET

TOUCH

THE

INSIDE

PARTS

Your

PL-51

assembled

with

number

small

and

delicate

components

into

one

precision

mechanism

which

should

not

touched.

There

reason

open

the

unit

remove

the

turntable

once

assembly

complete.

FOR

FINE

SPEED

ADJUSTMENTS

make

proper

adjustment,

check

the

stroboscope

fluorescent

other

electric

bulb

light.

Avoid

making

use

sunlight.

TROUBLESHOOTING

HOWLING

‘“Howling”’

acoustical

feedback

from

speakers

the

turntable

unit.

Increasing

the

distance

between

the

speakers

and

the

turntable,

even

better,

laying

soft

cushion

under

the

turntable

will

eliminate

howling.

HUM

“Hum”

low-pitch

droning

noise,

often

50Hz,

resulting

from

loose

connection

the

ground

lead.

hum

occurs:

Check

the

connection

the

PL-51

ground

lead

(the

black

lead

with

split

lug)

your

amplifier.

loose,

connect

it.

Check

the

output

lead

the

PL-51

running

near

the

power

transformer

your

amplifier.

Changing

the

position

the

PL-51

relation

the

amplifier

will

often

eliminate

hum.

This

unit

factory-set

for

120V

operation

when

shipped.

the

house

current

your

area

not

120V,

please

contact

your

Pioneer

dealer

order

re-adjust

the

120V

unit

for

110V,

130V,

220V

and

240V

operation.

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