PERPETUUM EBNER PE 2020 - Page 14

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12

Item

No.

Description

21

Pick-up

arm

tracking

weight

adjustment

knob

Drawspring

for

pick-up

arm

tracking

weight

Antiskating

subassembly

Antiskating

spring

Setting

knob

for

antiskating

precision

control

subassembly

Antiskating

adjusting

link

Zero-position

Eccentric,

setting

arm

Eccentric,

stylus

force

Eccentric,

adjusting

link

Stylus

force

too

high

or

too

low

Cause:

Pick-up

arm

is

not

properly

balanced.

Adjustment

knob

fails

to

agree

with

the

red

mark.

Remedy:

Balance

the

pick-up

arm

Attach

the

adjustment

knob

properly.

Stylus

force

Pull

off

the

pick-up

arm

tracking

weight

adjustment

knob

(21)

and

turn

the

bearing

sleeve

(D)

counter

clockwise

as

far

as

it

will

go.

Replace

the

adjust

ment

knob

with

the

red

line

to

agree

with

the

zero-

mark.

Set

the

stylus

force

at

1

p

and

check

by

means

of

a

stylus

force

gauge.

An

eccentric

(HH)

in

the

bracket

permits

compensating

a

possible

dis

crepancy.

Adjusting

tools:

Screwdriver,

stylus

force

gauge

0-6

p

Antiskating

device

Move

the

adjusting

knob

torJestyliiaforce

to

ro

position.

Then,

adjust

the

setting

arm

by

means

of

the

eccentric

below

the

chassis

plate

in

such

manner

that

the

receiving

point

of

the

springinesup

with

the

pivot

point

of

the

pick-up

irr1

If,

when

adjusting

the

stylus

pressure,

an

overcompensation

of

the

skating

force

is

found

to

exist,

the

spring

length

tolerance

can

be

corrected

by

means

of

the

eccentric

pin

(Z)

of

the

antiskating

adjusting

link

(165).

Sensing

lever

In

the

normal

position

of

the

record

player,

the

sensing

pin

(153)

must

be

in

the

center

of

the

hole,

If

necessary,

adjust

in

the

middle

of

the

sensing

lever

hole.

Without

a

record

on

the

turntable,

the

sensing

pin

mustnotbeallowed

to

rub

on

the

outside

edge

of

the

turntable,

when

in

uppermost

position.

Vertical

tracking

angle

adjustment

Since

the

master

recordings

are

cut

at

an

angle

of

15,

the

inherent

distortions

of

the

pick-up

when

reproducing

a

recording

are

at

their

lowest

when

the

needle

moves

in

the

sound

grooves

at

the

same

angle

of

15D.

The

adjustment

of

the

vertical

track

ing

angle

is

possible

in

the

pick-up

head.

26a

27

D

21

HH

z

28

26a

27

28

56

165

D

V

HH

Z