Sony PS-LX2 User manual

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1

Table of contents

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SONY®

7

-

28

9

'

1

-

STEREO

TURNTABLE

SYSTEM

PS-LX2/LX2C

PHOTO

:

PS-LX2C

in

U.S.A.

OPERATING

INSTRUCTIONS

Before

operating

the

unit,

please

read

this

manual

thoroughly.

This

manual

should

be

retained

for

future

reference.

©

1981

by

Sony

Corporation

OWNER’S

RECORD

PRECAUTIONS

The

model

and

serial

numbers

are

located

at

the

rear.

Record

these

numbers

in

the

spaces

provided

below.

Refer

to

them

when¬

ever

you

call

upon

your

Sony

dealer

regarding

this

product.

Model

No.

PS-Lt-Z,

Serial

No..

WARNING

To

prevent

fire

or

shock

hazard,

do

not

ex¬

pose

the

unit

to

rain

or

moisture.

To

avoid

electrical

shock,

do

not

open

the

cabinet.

Refer

servicing

to

qualified

person¬

nel

only.

TABLE

OF

CONTENTS

Features

.

2

Precautions

.

2

Parts

identification

.

3

Turntable

assembly.

3

Cartridge

installation

.

4

Tonearm

assembly

.

4

Tonearm

adjustment

.

4

Tonearm

balance

adjustment

Tracking

forth

adjustment

Anti-skating

conpensation

Connections.

6

Tips

on

record

handling

.

6

Record

playing.

6

Preparation

To

start

playing

To

lift

up

the

stylus

during

play

To

stop

during

play

Replacing

the

stylus

.

7

Maintenance.

7

Specifications.

Back

cover

Trouble

checks

.

Back

cover

FEATURES

On

safety

•

Operate

the

unit

only

on

120

V

ac,

60

Hz.

•

Should

any

solid

object

or

liquid

fall

into

the

cabinet,

unplug

the

unit

and

have

it

checked

by

qualified

personnel

before

operating

it

any

further.

•

Unplug

the

unit

from

the

wall

outlet

if

it

is

not

to

be

used

for

an

extended

period

of

time.

To

disconnect

the

cord,

pull

it

out

by

the

plug.

Never

pull

the

cord

itself.

On

installation

•

Place

the

turntable

on

a

level

surface.

•

Avoid

placing

the

unit

near

electrical

appliances

(such

as

a

televi¬

sion,

hair

dryer,

or

fluorescent

lamp)

which

may

cause

hum

or

noise.

•

Place

the

turntable

where

it

will

not

be

subject

to

any

vibration,

such

as

from

speakers,

slamming

of

doors,

etc.

•

Keep

the

unit

away

from

direct

sunlight,

extremes

of

temperature,

and

excessive

dust

and

moisture.

•

Allow

at

least

10

cm

(4

inches)

clearance

behind

the

unit

so

that

the

cover

can

be

opened.

On

dust

cover

removal

Open

the

dust

cover

fully

and

slide

it

upward

with

both

hands.

On

repacking

Do

not

throw

away

the

carton

and

packing

materials.

It

is

an

ideal

container

in

which

to

transport

the

unit.

When

shipping

the

unit

to

another

location,

secure

the

tonearm

to

the

arm

rest

and

repack

it

as

illustrated

on

the

carton

box.

•

Magnedisc

Servo

System

monitors

the

speed

of

the

turntable

with

great

precision.

•

The

linear

torque

BSL

(brushless

and

slotless)

direct

drive

servo

motor

has

a

high

signal-to-noise

ratio.

•

The

low-mass

tonearm

and

cartridge

allow

the

stylus

to

track

with

greater

accuracy.

•

Servo

Lock

indicator

illuminates

lighter

when

the

turntable

starts

to

rotate

at

nominal

speed.

•

Disc

centering

guides

facilitate

placing

a

30

cm

record

over

the

center

spindle.

2

PARTS

IDENTIFICATION

The

picture

below

shows

the

appearance

of

the

assembled

turntable.

Disc

Centering

Guides

Center

Spindle

Rubber

Mat

SPEED

Selector

Counterweight

Tracking

Force

Ring

Platform

Anti-skating

Compensator

Button[i

/

▼

.]

ECT

Button

SERVO

LOCK

Indicator

Arm

Rest

Locking

Collar

Shell

TURNTABLE

ASSEMBLY

Do

not

connect

the

power

cord

or

the

connecting

cords

until

the

turntable

has

been

completely

assembled.

Remove

all

packing

material

and

wipe

the

cabinet

off.

Save

the

packing

box

and

materials

for

possible

future

use.

The

numbers

in

the

illustration

refer

to

the

sequence

of

assembly.

O

Keep

the

metallic

parts

indicated

by

the

arrows

in

the

illustration

inside

the

large

white

gear.

€>

Carefully

place

the

platter

on

the

motor

board

by

fitting

the

center

hole

over

the

center

spindle.

Be

careful

that

no

foreign

ob¬

jects

lodge

under

the

platter.

•

Do

not

touch

the

magnetic

coating

or

the

magnetic

pick-up

head.

0

Place

the

rubber

mat

on

the

platter.

Disc

centering

guide

installation

Insert

the

supplied

disc

centering

guide

as

illustrated.

30

cm

record

3

CARTRIDGE

INSTALLATION

TONEARM

ASSEMBLY

—

Notice

on

the

PS-LX2C-

The

supplied

cartridge

has

been

installed

correctly

on

the

cartridge

shell

at

the

factory.

So

the

following

procedures

should

be

skipped

unless

you

replace

the

cartridge.

U.S.A.

model

:

a

cartridge

weighing

from

2.8

to

7.3

g

can

be

mounted

with

the

supplied

cartridge

shell

(4.7

g).

Canadian

model

:

a

cartridge

weighing

from

2.3

to

6.8

g

can

be

mounted

with

the

supplied

cartridge

shell

(5.2

g).

The

illustrations

of

the

cartridge

shell

show

that

of

the

U.S.A.

model

but

the

instructions

are

same.

OConnect

the

lead

wires

of

the

shell

to

the

corresponding

pins

on

the

"cartridge.

Wires

Cartridge

pins

White.White,

L

(Left

channel

signal)

Blue.Blue,

LE

or

G

(Left

channel

ground)

Red.Red,

R

(Right

channel

signal)

Green.Green,

RE

or

G

(Right

channel

ground)

©Temporarily

install

the

cartridge

into

the

cartridge

shell

with

the

supplied

mounting

screws.

©

Place

the

cartridge

shell

exactly

over

the

diagram

below

and

ad¬

just

the

position

of

the

cartridge

so

that

the

stylus

tip

is

just

over

the

point

where

the

lines

cross.

Then

tighten

the

screws

down.

©Secure

the

tonearm

to

the

arm

rest.

©

Plug

the

cartridge

shell

into

the

tonearm

and

turn

the

locking

col¬

lar

counterclockwise

until

the

shell

is

firmly

locked.

©

Insert

the

counterweight

and

turn

it

in

the

direction

of

the

arrow.

Counterweight

TONEARM

ADJUSTMENT

The

turntable

must

be

on

a

level

surface

while

the

tonearm

is

being

adjusted.

Be

careful

not

to

damage

the

stylus

tip

while

making

adjustments.

TONEARM

BALANCE

ADJUSTMENT

It

is

critically

important

for

good

sound

reproduction

that

the

stylus

traces

the

record

groove

accurately

and

with

the

proper

tracking

force.

To

do

this,

the

tonearm

must

first

be

balanced

so

that

the

proper

tracking

force

can

be

applied.

Be

sure

that

the

power

cord

is

disconnected.

O

Depress

the

i

/JL

button

to

lower

the

cueing

platform.

When

the

cueing

platform

is

lowered,

there

is

a

clearance

between

the

tonearm

and

the

cueing

platform.

Cueing

platform

0Set

the

anti-skating

compensator

to

“0”.

rest.

©Adjust

the

position

of

the

counterweight

by

turning

it.

Release

the

tonearm

gently

and

check

the

balance.

Repeat

this

step

until

the

arm

is

balanced.

Correct

balance

Move

the

weight

forward.

Move

the

weight

backward.

©After

the

tonearm

is

balanced,

replace

the

stylus

guard

and

secure

the

tonearm

to

its

rest.

©While

making

sure

that

the

counterweight

remains

in

the

bal¬

anced

position,

carefully

turn

the

tracking

force

ring

until

the

“0”

indication

is

aligned

with

the

center

line

on

the

tonearm.

TRACKING

FORCE*i

ADJUSTMENT

Turn

the

counterweight

as

illustrated

so

that

the

recommended

tracking

force

for

your

cartridge

is

aligned

with

the

center

line

on

the

tonearm.

The

maximum

tracking

force

available

is

3

grams.

•

The

recommended

tracking

force

for

the

VL-5

cartridge

(supplied

only

with

the

PS-LX2C)

is

2

grams.

ANTI-SKATING

*2

COMPENSATION

Turn

the

anti-skating

compensator

so

that

the

guide

mark

is

align¬

ed

with

the

selected

tracking

force

value.

*1

Tracking

force

Tracking

force

is

the

vertical

force

applied

to

the

stylus

tip

so

that

it

can

ac¬

curately

trace

a

record

groove.

The

tracking

force

is

applied

after

the

tonearm

is

balanced.

Since

the

proper

tracking

force

differs

depending

on

which

cartridge

is

in¬

stalled,

be

sure

to

apply

the

tracking

force

recommended

for

your

cartridge.

If

the

tracking

force

is

too

light,

the

stylus

will

skip

grooves.

When

it

is

too

heavy,

the

stylus

tip

and

the

record

will

wear

excessively.

Note

that

if

you

play

a

record

at

a

temperature

below

10°C

(50°F),

or

if

the

record

to

be

played

is

badly

warped,

the

tracking

force

should

be

increased

by

20%.

*

2

Anti-skating

compensator

While

the

record

is

being

played,

friction

between

the

record

groove

and

the

stylus

produces

a

force

that

tends

to

drive

the

tonearm

toward

the

center

of

the

record.

The

anti-skating

compensator

cancels

this

force.

The

anti-skating

force

should

be

the

same

value

as

the

tracking

force.

Incorrect

adjustment

of

the

anti-skating

compensator

results

in

sound

distor¬

tion

and

uneven

wear

on

both

the

stylus

and

the

record.

5

CONNECTIONS

RECORD

PLAYING

•

Turn

off

the

amplifier

before

making

connections.

•

Be

sure

to

insert

the

cable

connectors

firmly

into

the

jacks.

Loose

connections

may

cause

hum

and

noise.

•

Connect

the

red

plug

of

the

connecting

cord

to

the

right-channel

jack

[Rj

of

the

amplifier

and

the

white

plug

to

the

left-channel

jack

[L].

Otherwise,

the

right

and

left

channels

will

be

reversed.

•

Leave

a

little

slack

in

the

connecting

cord

to

allow

for

inadvertent

shock

or

vibration.

TIPS

ON

RECORD

HANDLING

•

Before

playing,

clean

the

record

with

a

record

cleaner

or

soft

cloth.

If

a

spray

cleaner

is

used,

make

sure

that

it

has

dried

com¬

pletely

before

playing

the

record.

Playing

the

record

before

the

cleaner

has

dried

may

damage

the

record.

It

is

a

good

idea

to

clean

the

record

again

before

putting

it

away.

•

Handle

a

record

by

its

edges

and

do

not

touch

the

grooves.

Fingerprints

on

the

record

surface

may

encourage

an

accumula¬

tion

of

dust,

resulting

in

impaired

tone.

•

Use

a

commercially

available

anti-static

spray

to

neutralize

the

static

electricity

on

a

record.

•

Avoid

exposing

a

record

to

direct

sunlight

or

sources

of

heat,

such

as

a

hot-air

duct.

•

Store

your

records

vertically.

They

should

not

be

compressed.

PREPARATION

•

Place

a

record

on

the

platter.

For

17

cm

(7

inch)

records,

put

the

supplied

45-rpm

adaptor

over

the

center

spindle.

•

Lower

the

amplifier

volume

and

set

the

input

selector

to

PHONO.

TO

START

PLAYING

The

numbers

in

the

illustration

refer

to

the

sequence

of

operation.

Q

Select

the

correct

record

speed

with

the

SPEED

button.

For

45rpm

records,

depress

the

SPEED

button.

For

33

rpm

records,

release

it.

To

release

a

depressed

button,

press

it

again.

€)

Press

and

release

the

X/

▼

.

button

to

raise

the

tonearm.

6

Remove

the

stylus

guard

and

bring

the

tonearm

above

the

lead-in

groove

of

the

record.

The

turntable

start

rotating.

Q

Depress

the

X

/

▼

.

button.

The

tonearm

will

lower

onto

the

record

and

the

record

will

begin

playing.

•

After

the

tonearm

has

lowered

onto

the

record,

adjust

the

volume

and

tone

of

the

amplifier.

•

When

the

tonearm

reaches

the

end

of

the

record,

it

will

be

automatically

raised,

return

to

its

rest,

and

then

lower

by

itself.

The

turntable

will

stop

rotating

and

the

power

will

be

turned

off

automatically.

TO

LIFT

UP

THE

STYLUS

DURING

PLAY

To

listen

to

another

part

of

the

record

being

played,

or

to

lift

up

the

stylus

on

a

record

for

a

brief

moment

and

start

playing

from

the

same

point,

press

and

release

the

X

/

▼

.

button.

The

tonearm

will

be

lifted

up.

To

lower

it

again,

depress

the

X

/

▼

.

button.

TO

STOP

DURING

PLAY

Press

the

REJECT

button.

The

tonearm

will

lift

up

and

auto¬

matically

return

to

the

arm

rest.

The

cueing

platform

will

lower

when

the

tonearm

reaches

the

arm

rest

and

the

unit

will

be

turned

off.

6

REPLACING

THE

STYLUS

MAINTENANCE

The

stylus

will

lose

its

effectiveness

and

begin

to

damage

records

after

about

400

hours

of

use.

An

ND-5G

replacement

stylus

for

the

VL-5

is

available

at

your

Sony

dealer.

Handle

the

stylus

carefully

as

it

is

very

delicate.

Install

the

replacement

stylus

as

follows.

O

Lower

the

sound

level

or

turn

the

amplifier

off.

©

Secure

the

tonearm

to

the

arm

rest

and

separate

the

shell

from

the

tonearm

by

turning

the

locking

collar

in

the

direction

of

the

ar¬

row.

Stylus

Before

playing

a

record,

clean

the

stylus

with

a

soft

brush.

Brush

the

stylus

from

back

to

front.

Never

attempt

to

clean

the

stylus

with

your

finger

tip.

If

a

fluid

stylus

cleaner

is

used,

make

sure

not

to

moisten

the

stylus

too

much.

Cabinet

Clean

the

cabinet

and

dust

cover

periodically

with

a

soft

dry

cloth.

If

the

stains

are

difficult

to

remove,

use

a

cloth

moistened

with

a

mild

detergent

solution.

Do

not

use

solvents

such

as

alcohol,

benzine

or

thinner,

since

they

will

damage

the

finish.

©Detach

the

stylus

assembly

by

grasping

it

between

the

thumb

and

forefinger

and

pulling

gently

in

the

direction

of

the

arrow.

Rubber

mat

When

the

rubber

mat

becomes

dirty,

wipe

it

gently

with

a

soft

cloth

slightly

dampened

with

water.

Lubrication

The

turntable

requires

no

periodic

lubrication.

The

motor

shaft

is

lubricated

at

the

factory

for

the

life

of

the

turntable.

©

Insert

the

new

stylus

into

the

cartridge.

©

Plug

the

cartridge

into

the

tonearm

and

turn

the

locking

collar

counterclockwise

until

the

shell

is

locked.

7

SPECIFICATIONS

TROUBLE

CHECKS

Turntable

Platter

31

cm

{12

1

/-

in.),

aluminum-alloy

diecast

Motor

Linear

torque

BSL

(brushless

and

slotless)

motor

Drive

system

Direct

drive

Control

system

Magnedisc

servo

control

system

Speed

33V3

rpm,

45

rpm

Starting

characteristics

Comes

to

nominal

speed

within

a

half

revolution

(33V3

rpm)

Wow

and

flutter

0.02%

(WRMS)*

0.025%

(WRMS)

Signal-to-noise

ratio

75dB(DIN-B)

Load

characteristics

0.05%

up

to

150

g

stylus

force

(at

lead-in

groove

of

a

record)

Tonearm

Type

Statically

balanced

Pivot-to-stylus

length

216.5

mm

(8

5

/b

in.)

Overhang

16.5

mm

(

21

/32

in.)

Stylus

force

adjustment

range

0-3g

Cartridge

shell

weight

U.S.A.

model

:

4.7

g

Canadian

model

:

5.2

g

Cartridge

weight

range

(including

supplied

shell)

7.5-12

g

Cartridge

VL-5

(supplied

only

with

the

PS-LX2C)

Type

Moving

magnet

type

Frequency

response

10

Hz

to

20

KHz

Channel

separation

20

dB

at

1

kHz

Output

voltage

3.5

mV

at

1

kHz,

5

cm/sec.,45°

Load

impedance

47

to

100

kilohms

Tracking

force

1.5

to

2.5

g

(2

g

recommended)

Stylus

Sony

ND-5G

(Conical

0.6

mil

diamond)

Weight

5.0

g

General

Power

requirements

120

V

ac,

60

Hz

Power

consumption

8W

Dimensions

Approx.

430

x

105

x

355

mm

(w/h/d)

(17x4

1

/4x

14

in.)

including

projecting

parts

and

controls

Weight

Approx.

5.8

kg

(12

lbs

13

oz),

net

Approx.

7.1

kg

(15

lbs

10

oz),

in

shipping

carton

Supplied

accessories

45-rpm

adaptor

(1)

Cartridge

shell

(1)

Disc

centering

guides

(2)

Cartridge

VL-5

(only

with

the

PS-LX2C)

(1)

Design

and

specifications

subject

to

change

without

notice.

*

This

new

measuring

method

concerns

only

the

turntable

assembly,

in¬

cluding

the

platter.

It

excludes

wow

and

flutter

caused

by

the

tonearm,

the

cartridge,

or

the

record.

Measured

by

obtaining

signal

from

magnetic

pick¬

up

head.

The

following

trouble

checks

will

help

you

correct

most

common

problems

encountered

with

a

turntable

system.

Should

any

pro¬

blem

persist

after

you

have

made

these

checks,

consult

your

nearest

Sony

service

facility.

Before

proceeding

with

these

trouble

checks,

first

refer

to

the

con¬

nections

and

the

operating

procedures

on

page

6.

Impaired

tone

quality

•

Improper

tracking

force.

See

“Tonearm

adjustment’’

on

page

4.

•

Dusty

stylus.

•

The

turntable

is

not

placed

on

a

level

surface.

•

The

turntable

is

incorrectly

placed

on

or

too

near

a

speaker.

•

Worn

stylus

or

defective

record.

(The

stylus

life

is

approximately

400

hours

of

playing

time.)

•

Incorrect

stylus

installation.

•

Improper

tonearm

balance.

•

Improper

setting

of

the

anti-skating

compensator.

No

audio

from

one

channel

•

Loose

attachment

of

the

cartridge

shell

to

the

tonearm.

•

Poor

shell

connection.

Wipe

the

connector

pins

with

denatured

alcohol.

•

Loose

connection

of

phono

connecting

cord.

•

Low

volume

level

setting

for

one

channel

of

the

amplifier.

Groove

skipping,

tonearm

tends

to

skate,

tonearm

does

not

ad¬

vance.

•

Improper

tracking

force.

See

“Tonearm

adjustment”

on

page

4.

•

Improper

setting

of

the

anti-skating

compensator.

•

The

turntable

is

not

placed

on

a

level

surface.

•

Defective

record.

•

External

vibrations.

Steady

low-pitched

hum

•

Loose

connection

between

the

cartridge

shell

and

the

tonearm.

•

Loose

connection

of

phono

cord.

Loud

rumble

or

low-frequency

howl

*

•

The

turntable

is

affected

by

external

vibration.

•

The

turntable

is

too

near

a

speaker.

♦

T

h

i

s

is

called

“acoustic

feedback”

and

is

caused

when

vibrations

from

the

speakers

are

transmitted

through

the

air

or

via

solid

objects

(such

as

the

shelves,

the

cabinet,

the

floor,

etc.)

to

the

turntable,

where

it

is

picked

up

by

the

stylus,

amplified

and

reproduced

through

the

speakers

once

again.

Sony

Corporation

Printed

in

Japan

3-783-557-22

(1)