PERPETUUM EBNER PE 2020 - Component Exchange Procedures; Replacing the Pick-up Arm Assembly; Cueing Lever and Lift Rod Replacement; Control Cam Exchange Process

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Is

TV

212

©

0

I11oV©

Wiring

Diagram

of

Pre-amplifier

TV

212

Exchanging

the

pick-up

arm

The

pick-up

arm

is

to

be

exchanged

completely

together

with

the

bearing

framqjj4).

After

remov

ing

the

ca

18

turn

back

the

bearing

screw

(17

un

i

pick-up

arm

can

be

lifted

out

of

the

a

I

bearing.

Be

remyjag

the

pick-up

arm,

unsolder

the

pick-u1ad

from

the

mgh

and

un

re4e—thFT

fl’st

lus

ressure

26

from

e

antiskating

subassembly

by

means

of

a

bent

wire.

The

drawspring

for

the

stylus

pressure

(26a)

is

hooked

to

the

antiskating

subassembly

be

ttWThe

chassis

plate

in

the

pick-up

arm

bracket.

To

proj

acssttiiing,

adjLhe

stylus

presure

by

means

of

the

adjustment

knob

installing

the

p

ck-up

arm.

take

care

to

see

that the

seven

steel

balls

in

the

bearing

frame

(14)

are

embedded

in

Apex

grease.

Minimum

possible

friction

of

the

bearing

must

be

assured

A

special

screwdriver

permits

adjustment

of

the

bearing

screw

(17)

through

the

cap.

When

exchanging

the

pick-up

arm

with

the

com

plete

bearing,

including

the

antiskating

device,

take

care

to

see

that

the

ball

races

for

the

pick-up

arm

bearing

(22)

are

clean,

free

from

dust

and provided

with

Abrol

oil

when

they

are

installed.

The

friction

of

this

bearing

must

be

adjusted

with

particular

care.

Tighten

the

hexagon

nut58mm(26)

by

means

of

a

special

wrench

until

the

desired

bearing

fric

tion

is

obtained.

When

hooking

back

the

antiskating

spring

(28)

make

certain

that

it

is

replaced

in

the

correct

position

and

without

any

change.

Exchanging

the

cueing

lever

cable

To

exchange

the

flexible

cable

(147)

the

entire

cueing

lever

subassembly

(159)

must

be

removed.

When

replacing

the

lever,

take

care

to

see

that

this

is

done

in

the

correct

position

(see

page

9).

Exchanging

the

lift

rod

The

od

57

is

only

accessible

after

the

ick-up

,.rnj_ith

the

entire

racket

has

been

remove

Ref

ill

absolutely

necessary.

Take

care

to

see

that

only

a

minimum

quantity

of

silicone

grease

is

applied

to

the

lift

rod.

Also

make

sure

that

the

drawspring

(58)

is

hooked

back

to

the

lift

rod

(57)

Exchanging

the

control

cam

After

loosening

the

retaining

screws

(64

66)

for

the turntab

e

bearing

and

taking out

the

nut

(133)

the

control

cam

can be

lifted

up

and

out,

It

should

be

noted

that

for

this

purpose

the

feed

lever

(150)

and

the

actuator

(203)

must

be

disengaged

from

the

control

cam.

11OV

TV

212

sw

sw

ign

rt

11O/22OV’