Technics SL-1200 User manual

E/Technics

SL-1200

SL-120

This

instruction

manual

covers

both

SL-1200

and

SL-120.

The

SL-120

same

with

SL-1200

every

aspects.

but

comes

only

without

tonearm

section.

want

thank

you

for

selecting

the

SL-1200,

DIRECT

DRIVE

PLAYER

SYSTEM.

receive

optimum

performance

from

this

DIRECT

DRIVE

PLAYER

SYSTEM,

recommend

that

you

read

these

operating

instructions

carefully.

PARTS

IDENTIFICATION

OPERATION

AND

FUNCTION

CONTROL:

(TURNTABLE

SECTION)

LINE

VOLTAGE

(Fig.

Make

sure

that

the

line

voltage

selector

correct

your

local

volt

‘age

before

connecting

the

power

cord.

CAUTION

your

local

voltage

different,

please

turn

the

line

voltage

selector

your

local

voltage

@ROTOR

(See

Fig.1-@)

This

unit

uses

direct

drive

motor.

Therefore,

the

rotor,

which

the

rotating

part

the

motor,

connected

directly

the

turntable

platter.

The

spindle

the

motor

and

the

shaft

the

turntable

platter

are

the

same.

For

this

reason,

maintain

the

high

performance

described

the

specifications,

not

desirable

apply

large

amount

external

force

the

rotor

and

the

spindle

the

motor.

The

rotor

is,

therefore,

clamped

securely

protect

the

delicate

and

important

parts

during

transportation,

sure

remove

these

fittings

carefully,

and

save

them

for

future

use,

when,

for

example,

the

player

must

again

transported.

CAUTION

The

rotor

the

motor

constructed

that

cannot

removed,

order

maintain

its

high

performance

for

long

time,

not

attempt

remove

the

removal

prevention

fitting

for

the

rotor.

@POWER

SWITCH/SPEED

SELECTOR

(See

Fig.1-@)

Set

the

“speed

selector”

the

desired

position

(33

45,

depending

upon

the

speed

the

record

played).

The

strobo

illuminator

Will

anes,

anid

wie

tuiatebe

ctininc

Wil

(chem

@STROBO

ILLUMINATOR

(See

Fig.1-@)

When

the

power

switch/speed

selector

on,

the

strobo

illuminator

lit,

VARIABLE

PITCH

CONTROLS

(See

Fig.1-

)

Adjust

the

“variable

pitch

controls”

necessary.

These

are

designed

provide

adjustment

the

selected

speed

10%

"ange

Select

the

speed

the

turntable

platter

setting

the

“power

switch/

speed

selector”

the

desired

position.

The

rotating

turntable

platter,

when

illuminated

strobo

illuminator,

may

show

movement

the

marks

the

strobo

disc.

Adjust

the

“variable

pitch

controls”

until

the

strobo

marks

are

stationary.

After

the

necessary

adjustment

has

been

made,

the

speed

will

not

change

and

re-adjustment

will

not

necessary.

‘The

strobo

marks

molded

around

the

turntable

platter

are

used

check

the

correct

speed

rotation

for

(European),

and

60 Hz

(U.S.A.)

Adjust

its

rotation

according

the

strobo

label.

@SPEED

ADJUSTMENT

SCREWS

(See

Fig.1-

)

If,

for

any

reason,

the

adjustment

cannot

successfully

made,

use

(A)

tip

screwdriver

adjust

the

appropriate

speed

adjustment

screw

(33

45)

located

beneath

the

turntable

platter.

Turning

the

speed

adjustment

screws

the

right

left

will

increase

decrease

the

speed

respectively.

@STROBO

MARKS

(See

Fig.1-

)

@STROBO

LABEL

(See

Fig.1-

)

Head

Shell

Cartridge

52mm

(2-1/16")

—>t

® @

Fig.

Add.

Lift

Adjustment

Serew

Cueing

Lever

Fig.

Add.

Height

Adjustment

Screw

Fig.

Add.

@ADAPTOR

FOR

INCH

R.P.M.

RECORD

(See

Fig.1-

)

When

playing

r.p.m.

records,

use

this

accessory.

@OIL

HOLE

(See

Fig.1-

©)

@SPECIAL

OIL

(See

Fig.1-

)

The

bearing

parts

this

set

are

designed

with

ultra-precise

finish

prevent

the

generation

“Wow

and

Flutter”

special

oil

has

been

used

maintain

the

high-performance

efficiency

this

set

forming

uniform

film

oil

over

the

parts.

For

this

reason,

use

only

the

oil

included

this

set

for

its

lubrication.

Even

there

oil

leakage

around

the

oi!

hole

the

rotor,

caused

during

transportation,

will

not

effect

the

performance.

Before

use,

apply

about

drops

oil

into

the

oil

hole.

lubricate,

open

the

tip

the

vessel

with

needle,

After

lubricating,

cover

the

vessel

with

the

cap

prevent

the

leakage

oil,

Never

use

any

other

type

oil.

lubricate,

remove

the

turntable

platter

and

apply

about

drops

oil

into

the

oil

hole.

sufficient

lubricate

the

set

once

after

approximately

2,000

hours

use.

Two

thousand

hours

are

equivalent

5-1/2

years,

the

set

used

one

hour

day,

months

used

hours

day.

This

period

much

longer

than

has

been

necessary

previous,

con-

ventional

motors,

not

apply

too

much

oil,

nor

often

than

necessary.

TURNTABLE

MAT

(See

Fig.

@TURNTABLE

PLATTER

(See

Fig.1-

)

The

turntable

platter

33m

(13")

ultra-large

diameter

1.75

(3.86

Ib)

weight

and

has

inertial

moment

310

kg-cm?

(105.9

Ib-

in?),

Each

turntable

platter

dynamically

balanced.

@PLAYER

CASE

(See

Fig.1-

)

@BOTTOM

COVER

(See

Fig.1-

)

@®AUDIO-INSULATED

LEGS

(See

Fig.1-

)

The

audio-insulated

legs

are

designed

absorb

vibration

entirely

Using

special

materials

inside

them,

Adjust

the

height

and

level

the

player

system

turning

legs.

@DUST

COVER

(See

Fig.1-

Fig.3)

Reise

the

dust

cover

upward

and

place

securely

the

hinges.

CAUTION:

recommend

that

you

take

off

the

dust

cover,

the

dust

cover

becomes

the

cause

“Howling”

from

the

vibration

speakers

not

wipe

the

dust

cover

with

any

cleaner

containing

alcohol,

enzine

thinner.

Use

the

polishing

cloth

included

the

carton.

@HINGES

(See

Fig.1-

OUTPUT

TERMINALS

(See

Fig.1-

)

Connect

the

pickup

cords

provided

this set

the

same

channel

the

amplifier.

(REO)

——>

EEE

channel

(WHITE)

——>

[EB

Channel

shop)

—>

EES

CORD

(See

Fig.1-

)

TONEARM

(See

Fig.1-

Fig.4)

High

quality

universal

tonearm

designed

especially

for

direct

drive

player

system.

Most

remarkable

features

this

tonearm

are

easy

operation,

durable

structure

and

automatic

reset

mechanism

stylus

pressure

control.

Therefore,

adjustment

zero

balance

and

stylus

pressure

can

easily

and

rapidly

accomplished.

Fig.

Add.

Fig.

Abb.1

(TONEARM

SECTION)

@HEAD

SHELL

(See

Fig.4-

Fig.5)

Insert

the

head

shell

the

end

the

tonearm,

and

secure

firmly

turning

the

locking

nut

the

tonearm

the

direction

the

arrow,

shown

the

picture,

sure

connect

the

lead

wires

the

cartridge

terminals

according

the

instructions

included

with

the

cartridge.

‘The

cartridge

should

inserted

the

head

shell

that

the

spacing

between

the

stylus

tip

and

the

plug

(2-1/16")

shown

the

@LOCKING

NUT

(See

Fig.4-

)

@ANTI-SKATING

FORCE

DEVICE

(See

Fig.4-

®)

Skating

force

the

frictional

force

caused

contact

between

the

tip

the

stylus

and

the

record

groove,

and

applied

the

stylus

side

pressure

depending

upon

the

relationship

the

geometrical

position

the

tonearm.

This

force

results

unbalance

the

contact

pressure

between

the

stylus

tip

and

each

groove

wall

the

record,

increase

distortion,

deterioration

the

performance,

decrease

separation

character-

istics

and

abnormal

wear

the

stylus

tip

and

the

record

grooves.

For

this

reason,

necessary

compensate

this

skating

force.

The

anti-skating

force

mechanism

performs

this

compensation

function.

‘The

quantity

anti-skating

force

proportion

the

stylus

pressure

and,

therefore,

should

adjusted

according

the

stylus

pressure.

Turn

the

adjustment

knob

the

same

number

stylus

pressure

scale

indicates,

@BALANCE

WEIGHT

(See

Fig.4-

Fig.6)

This

balance

weight

especially

designed

for

easy

adjustment

zero

balance,

Install

the

balance

weight,

packed

the

parts

box

the

rear

the

tonearm.

turning

the

stylus

pressure

knob

the

arrow,

shown

the

picture,

adjust

the

zero

balance.

(that

is,

floating

the

tonearm

free).

After

adjustment

pull

the

outside

the

stylus

pressure

knob

the

direction

the

arrow,

then

the

scale

will

reset

automatically

the

zero

position.

Adjust

the

stylus

pressure

turning

the

stylus

pressure

knob

the

arrow

the

picture

according

the

stylus

pressure

the

cartridge

which

you

use.

This

tonearm

accepts

any

cartridge

whose

weight

from

4.5

11.59.

@®ARM

BASE

(See

Fig.4-

)

@ARM

HEIGHT

ADJUSTMENT

SCREW

(See

Fig.4-

Fig.7)

it is

necessary

adjust

the

height

the

tonearm,

loosen

screw

and

move

the

tonearm

down,

@CUEING

LEVER

(See

Fig.4-@

Fig.7)

After

separating

the

tonearm

from

the

arm

rest,

and

then

moving

the

cueing

lever

toward

position

(as

shown

the

picture),

the

tonearm

will

raise.

Hold

the

tonearm

and

place

the

tip

the

stylus

above

the

groove

the

record

from

which

you

desire

play.

When

the

cueing

lever

moved

the

position,

the

tonearm

will

descend

slowly

and

the

performance

will

begin.

@FINE

ADJUSTMENT

SCREW

(See

Fig.4-@,

Fig.7,8)

Adjust

the

fine

adjustment

screw,

that

the

interval

between

the

stylus

tip

and

record

surface

from

(15/64"

25/64")

@ARM

LIFT

ADJUSTMENT

SCREW

(See

Fig.4-@,

Fig.8)

If,

for

any

reason,

the

adjustment

cannot

successfully

made

the

fine

adjustment

screw,

adjust

the

height

the

arm

lift

turning

this

screw.

@ARM

REST

(See

Adjust

that

the

tonearm

parallel

the

record

when

the

height

the

tonearm

has

been

adjusted.

Head

Shell

Cartridge

52mm

(2-1/16")

—>t

Fig.

® @

Fig.

Add.

Lift

Adjustment

Serew

Cueing

Lever

Fig.

Add.

Height

Adjustment

Screw

Fig.

Add.

FEATURES

(TURNTABLE

SECTION)

@33.CM

(13”)

ULTRA-LARGE

DIAMETER

TURNTABLE

PLATTER

(13)

ultra-large

diameter, and

1.75

(3.86

Ib)

heavy

weight

turntable

platter

has

inertial

moment

310

kg-cm?

(105.9

Ib-in?)

‘and

has

been

dynamically

balanced.

‘Around

the

turntable

platter

are

strobo

marks

which

are

used

check

its

speed.

@DIRECT

DRIVE

MOTOR

There

“wow"

“flutter

caused

transmission

mechanism.

There

vibration

because

this

motor

has

high-speed

rotation

mechanism,

The

rumble

extremely

low.

@ELECTRONIC

COMMUTATOR

BRUSHLESS

MOTOR

The

motor

not

affected

fluctuations

the

power

supply

frequency.

Starting

rotation

power

large,

with

complete

stability

speed

reached

within

one-half rotation

33-1/3

r.p.m.

since

there

‘no

electro-magnetic

hum,

the

signal

noise

ratio

(rumble)

excellent.

‘And,

because

the

motor

includes

electronic

commutator,

starting

perfectly

accurate.

There

is,

therefore,

speed

instability

brush

deterioration

often

noted

brush

commutators,

pulse

noise

generated

brush

sparking

and

sound

caused

rubbing

brushes.

@ROTATION

THE

TURNTABLE

PLATTER

CAN

STOPPED

ANY

TIME

This

feature

which

not

found

players

which

have

speed

reduction and

transmissions

devices

such

belt

idler.

such

stopping

attempted

ordinary

players,

the

belt

idler

will

soon

deteriorate

and

efficiency

soon

becomes

poor.

this

player

system,

such

stopping

causes

problem

other

than

slight

increase

the

motor

current,

which

not

really

problem.

@ELECTRONIC

STABILIZATION

CONTROL

Because

this

set

includes

special

circuitry

stabilize

the

speed

electri-

cally,

speed

stability

extremely

good.

@ELECTRICAL

SPEED

CHANGE

There

mechanism

change

the

position

the

belt

idler

There

is,

therefore,

“wow”

unwanted

speed

change.

@NO

EFFECT

FROM

FLUCTUATIONS

POWER

SUPPLY

FREQUENCY

VOLTAGE

Since

the

motor

the

type,

the

rotation

speed

does

not

depend

the

power

supply

frequency.

And,

because

OC-stabilizer

used,

the

set

not

wffected

changes

the

power

supply

voltage,

even

the

fluctuation

large.

@SEMI-PERMANENT

HIGH

PERFORMANCE

Unlike

players,

there

reduction

transmission

mecha

nism,

such

belt

idler.

‘The

motor

rotates

the

turntable

platter

directly

ultra-low

speed.

Wear

parts

therefore

reduced

the

extreme

minimum

and

high-

performance

efficiency

can

maintained

semi-permanently,

@POWER

CONSUMPTION

1/100

THAT

ORDINARY

MOTOR

Motor

power

consumption

only

0.1

which

less

than

1/100th

that

conventional

motor.

(There

power

consumption

about

addition

the

drive,

other

electronic

circuitry)

(TONEARM

SECTION)

@EASY

BALANCING

AND

STYLUS

PRESSURE

CONTROL

smooth

rack-and-pinion

type

movement,

the

balance

weight

can

adjusted

easily.

After

adjusting

the

zero

balance,

pull

the

outside

the

stulys

pressure

knob

outward,

and

the

scale

will

reset

auto-

matically

the

zero

position.

Now

you

can

add

the

amount

stylus

Pressure

you

desire

directly

reading

the

scale.

@FEATHER-TOUCH

CUEING

Feather-touch

cueing

viscousdamped

both

directions

for

gentle

decent

and

ascent.

The

tonearm

willbe

set

down

exactly

the

spot

you

desire.

Fig.

Abb.1

Fig.

Abb.

SPECIFICATIONS

(TURNTABLE

SECTION)

Type

Turntable

platter

Turntable

speeds

Motor

Power

supply

Power

consumption

‘Speed

change

method

Variable

pitch

controt

Wow

and

flutter

Rumble

Build-up

time

Dimensions

Weight

(TONEARM

SECTION)

‘Type

Effective

length

Overhang

Tracking

error

angle

Stylus

pressure

PLACEMENT

PLAYER

Direct

drive

player

system

Aluminium

die-cast;

(13)

diameter

310

kg-cm?

(105.9

Ib-in?)

inertial

moment,

1.75

(3.86

Ib)

weight

33.1/3

and

r.p.m.

poles

(rotor),

poles

(stator)

ultra

low-speed

brushless

motor

‘AC

120V,

60H2

Electronic

change

Individual

adjustment

variable

resistor.

10%

adjustment

range

0.03%

WRMS

-50

(DIN

-70

(DIN

1/2

rotation

3-1/3

r.p.m.

45,3

36.6

18,0

(17-13/16"

14-13/32”

7-3/32")

(22.1

Ib)

with

dust

cover

EPA-120

Direct

reading

stylus

pressure

adjustment,

anti-skating

force

device.

220

(8-21/32")

(35/64")

Within

£2.0°

0-49

@se

the

player

system

stable

and

horizontal

position,

where

there

little

vibration.

@se

the

player

system

far

away

from

the

speakers

possible

and

isolate

the

player

system

from

sound

radiation

from

them.

@Avoid

placing

the

player

excessively

hot

cold

places,

particu-

larly

near

heaters.

ic-balanced

type,

universal

head

shell,

This manual suits for next models

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