Panasonic SL-1200MK2PK Service Manual - Page 9

L-1200MK2

■

ADJUSTMENTS

Pitch

control

(fine

adjustment

of

speed)

(See

Figs.

18

and

19.)

When

the

pitch

control

knob

is

located

at

the

center

of

the

position

after

turning

on

the power, the

green

LED

indicator

is

lit

showing the

operating

condition for

the

predetermined

speed

(either

33-1/3

or

45

rpm).

The

pitch

control

is

variable

in

a

range

of

about

±8%

Adjustment

should

be

done

on

the

basis

of

indicator

scale.

Figures

on

the

indicator

show

approximate

percentages

for

variable

pitch

control.

When

the

strobe

dots

in

4

stages

marked

at

the

peripheral

edge

of

the

turntable

appear

to

be

stationary,

variation

of

individual

pitches

is

shown.

(See

Fig.

19.)

Note:

The

strobe

-illumination

of

this

unit

employs

a

strobe

-illu-

minator

LED

synchronized

with

the

precise

quartz

fre-

quency.

For

fine

adjustment

of

the

turntable

speed,

be

sure

to

effect

the

adjustment

according

to

the

LED

illumination.

The

LED

illumination

is

not

synchronized

with

fluorescent

lamps.

Adjustment

of

arm

-lift

height

(See

Figs.

20

and

21.)

The

arm

-lift

height

(distance

between

the

stylus

tip

and

record

surface

when

cueing

lever

is

raised)

has

been

adjusted

at

the

factory

before

shipping

to

approximately

8.13mm.

If

the

clearance

becomes

too

narrow

or

too

wide,

turn

the

adjustment

screw

clockwise

or

counterclockwise,

while

pushing

the

arm

lift

down.

Clockwise

rotation

—distance

between

the

record

and

stylus

tip

is

decreased,

Counterclockwise

rotation

—distance

between

the

record

and

stylus

tip

is

increased,

Note:

As

the

adjusting

screw

has

hexagonal

head,

be

sure

to

make

the

adjustment

while

depressing

the

arm

lift,

or

the

screw

will

not

move

freely.

Also

be

sure

that

the

hexagonal

head

retracts

correctly

into

the

arm

lift

when

the

latter

is

released.

Fig.

18

0

•

•

•

•

•

•

•

•

•

•

• • • • •

0

S.

0

•

•

tp.pd.en

ntat“wi£ty

at

the

D.

,

1

,

O5.

O!

es.

appea:s

strAtkmaly

at

Dep.i.ch

of

33.

giOplo%

9.111t.onvy

el

me

CO

C.%

918.!•?..,Vy

II

P.e

wttn

of

31%

Fig.

19

Adjustment

of

the

tonearm

height

(See

Fig.

22.)

The

height

of

the

tonearm

can

be

adjusted

up

to

6 mm,

and

a

scale

is

provided

on

the

adjust

ring

in

0.5

mm

increments.

Be

sure

to

set

the

proper

arm

height

using

the

adjust

ring

scale

and

referring

to

the

table.

Height

of

cartridge

(mm)

(H)

Scale

reading

on

the

arm

-height

adjust

ring

__

_

15

0

16

1

17

2

18

3

19

4

20'

5

21

6

For

example,

if

the

cartridge

height

is

17.5

mm,

the

arm

-

height

adjust

ring

should

be

pOsitioned

at

the

intermediate

location

between

2

and

3

on

the

scale.

(See

Fig.

22.)

Caution:

Be

sure

to

lock

the

tonearm

by

turning

the

arm

lock

knob

in

the

direction

indicated

by

the

arrow

after

finishing

the

height

adjustment

for

the

tonearm,

Lubrication

(See

Fig.

23.)

Apply

2

or

3

drops

of

oil

once

after

every

2000

hours'

of

operation.

The

time

interval

is

much

longer

than

that

for

conventional

type

motors

(200-500

hours).

Please

pup

-

chase

original

oil.

(Part

number

is

SFWO

010.)

8

m

(

6

/

1

8-33/64")

Fig.

20

Ant

screw

lift

bar

Fig.

21

Fig.

22

Fig.

23

Panasonic SL-1200MK2PK Service Manual - Page 9

L-1200MK2

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