Garrard ZERO 100C Manual de usuario

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Instruction

Manual

Garrard

Engineering

Limited

Newcastle

Strost

Swindon

Wiltshire

England

DESCRIPTION

2

PACKING

LIST

3

‘SETTING

UP.

4

‘OPERATING

INSTRUCTIONS.

9

ROUTINE

MAINTENANCE

13

SERVICE

HINTS

14

‘ADJUSTMENTS

8

SPARE

PARTS

AND

SERVICE

18

Garrard

ZERO

100c

AUTOMATIC

TRANSCRIPTION

TURNTABLE

INTRODUCTION

The

Garrard

Zero

1002

is

a

super’

two-speed

transcription

tumntadie

with

such

special

foa-

*

an

ingenious

tonearm

virtually

without

track:

ing

ertor

(Patent applied

for)

with

damped

eveing

action,

*

An

automatic

record

counter.

This

new

fea

‘uve

(Patent

applied

for)

indicates

when

a

diamoné-tipped

stylus

should

be

checked

for

wear,

Dased

on

the

number

of

LP.

records

Played

a

magnetic

tonearm

artiskating

system

Patent

applied

101),

a

motor

with

the

advantages

of

both

induc

tion

and

eynchronaus

motors

(Patented)

2

record

speed

and

pitch

control

system

with

builtin

stroboscopic

checking,

vice

to

set

the

cartridge

tracking

BRIEF

TECHNICAL

SPECIFICATION

Powot

Supply

Voltage:

110/126V

AC

or

110/120

land

220/240V

AC

dependent

on

tha

motor

coll

windings.

Power

supply

requirements.

are

shown

on

the

motor.

Power

Supply

Frequency:

50

or

6042

depen-

dent

on

the

interchangeable

motor

pulley

and

stroboscopic

turntable

titted

Power

Consumption:

Approximately

0

watts.

Speeds:

$33

and

45

rev/min.

Both

speeds

can

be

varied

by

plus

or

minus

3%.

Accuracy

of

speed

is

checked

by

means

of

an

illuminated

Stroboscope

Motor:

A

4:pole

induction

rotor

section

to

pro-

vide

the

starting

torque

and

a

synchronous

Section’

for

constant’

running

speed.

It

is

slliently

mounted.

Tonearm

(Pickup

Arm):

The

tonearm

head

pivots

laterally

2s

it

tracks

a

record

to

main

tain

negligible

tracking

error.

The

magnetic

‘addition

to

manual

operation

the

Zero

100¢

will

automatically

play

single

Tin

(17em),

10in

25cm)

and

12in

(30cm)

1ecords,

oF

a

stack

of

up {3

six.12in.

records

the

number.

will

depend

upon

the

thickness.

o!

the

records.

Adaptors

aro

available

to

play

records

with

large

centre

holes

and

to

play

a

stack

of

Tin

records

Naturally,

you

will

be

keen

to

put

your

turn

table

info

use

es

soon

as

possible

but,

as

you

fealise,

its

a

precision

instrument.

For

this

reason,

we

sirongly

advise

you

to

read

the

Instructions

betore

installing

or

operating

it

so

{hat

you

will

obtain

the

full

bonett

of

ite

many

‘capabilities.

WARNING:

To

provent

fite

oF

shock

hazard,

do

not

expose

this

appliance

to

rain

or

moisture.

tonearm

anti-skating

system

is

calibrated

tor

doth

conical

(spherical)

and

cllipticel

cart.

Nidge

styl.

A

tilting

arrangement

allows

the

cartridge

to

be

‘set

in

position

to

give

the

correct

tracking

angle

when

playing

a

single

record

or,

alternatively,

at

the

height

of

three

records

for

automatic

play

itis

lifted

and

lowered

gently

by

viscous

damp-

ing

Size:

Approximately

142in

(375mm)

wide,

134in

(885mm)

deep

and

6gin

(170mm)

high,

Weight:

Approximately

113Ib

(5.2k9).

*

A

mounting

base

and

dust

cover.

|

*

A

record

spindle

adaptor

Type

LASI00

to

lay

up

to

six

recorge

with

tin

(38mm)

contre

holes

automaticaly.

*

A

record

platform

adaptor

Type

AB

to

pl

Up

to

six

7in

diameter

records

with

small

contro

heles

automatically

o

{im

adaition

to

the

Zero

100c

wit

i's

platter.

1

A

short

record

spindle

for

playing

single

records

This

Is

fied

by

locating

it

in

the

centre

of

the

plattor

and

pressing

it

down

into

place.

WWturns

with

the

record

to

minimise

wear.

2

Along

record

spindle

for

playing

a

stack

of

‘rds

automatically

‘This

is

fitted

by

locating

it

in

the

centre

of

the

platter

and

turning

the

spindle

until

itean

be

pressed

down

to

be

held

in

place

by

a

relaining

clip.

The

spindle

can

be

removed

‘again

by

a

straight

upward

pull

3

A

large

centre

hole

record

adaplor

This

lite

ovor

the

single

record

spindle

to

enable

records

with

Thin

(38mm)

diameter

‘centre

holes

to

be

played

singly.

4

Ait

of

cartridge

fixing

parts

This

comprises

a

range

of

screws

of

different

lengths,

and

a

clear

plastic

satting

gauge

for

checking

the

alignment

of

the

cartridge

in

tho

tonearm

5

A

tonearm

counterbalance

weight

See

below.

©

(Not

shown)

A

rubber

mat

Place

the

mat

conoontrically

on

tho

platior.

Press

the

central

area

of

the

mat

genty

downwards

until

tho

circular

ribs

undernoath

it

engage

the

recesses

on

top

of

the

platter.

‘The

mat

will

then

slope

downwards

slightly

towards

the

middle,

so

that

the

record

is

‘supported

at

the

maximum

radius

‘THE

TONEARM

COUNTERBALANCE

WEIGHT

Screw

this

on

fo

the

rear

extension

of

the

fonearm,

rounded

comer

first,

to

secure

it

until

the

stylus

force

is

set.

The

counterbalance

weight

must

be

assembled

land

takon

off

the

tonearm

only

by

@

screwing

action.

Any

other

method

of

assembly,

such

as

direct

push

or

pull,

may

cause

permanent

deforma-

tion

of

the

isolation

member

in

the

weight

and

result

_in

rumble

being

heard

through

the

speakers.

Disram

2

FitingTonarm

Count

4

———

eee

INSTALLATION

It

the

mounting

board

of

the

cabinet

or

base

is.

already

propared

lor

use,

disrogard

section

1

Delow.

1

Prepare

the

mounting

board

in

accordance

with

tho

inetrustions

on

the

template.

2

Check

thet

all

four

damping

pads

are

firmly

In

place

in

the

mounting

springs.

Turn

both

wansit

scrows

fully

clockwise

and

transit

clips

vertical

3

Thread

power

supply,

ground

and

phono

leads

through

the

cut-out

in

the

mounting

board.

Make

sure

that

all

leads

are

clear

of

any

meving

parts

under

the

unit

plate,

partec-

Ularly

In

the

area

underneath

the

tonearm,

4

Place

the

unit

in

position

on

the

mounting

oerd,

aligning

both

transit

screws

with

their

holes

‘and

locating

all

mounting

springs

in

their

recesses.

See

diagram

3.

'5

Press

the

unit

down

on

its

springs,

then

turn

both

transit

clips

to

the

horizontal

playing

position.

Release

the

unit

6

Carry

out the

cabling

instructions

on

page

5

Diagram

3

Unit

Payne

PREPARING

THE

UNIT

FOR

TRANSIT

IN

ITS

CABINET

OR

BASE

1

Lock

the

tonearm

to

its

rest

and

fit

the

stylus

guard.

2

Engure

that

tho

toneaim

counterbalance

weight

is

securely

‘ited

so

that

it

cannot

be

dislodged

by

possible

vibration

in

transit.

2

Ensure

that

the

platter

is

securely

held

by

its

retaining

clip.

Remove

the

rubber

mat

land

store

it

separately

4

Press

the

unit

down

on

its

mounting

springs

fang

turn

both

transit

clips

fully

counterclock-

wise

to

brace

it

against

the

mounting

board,

‘See

diagram

4

CABLING

INSTRUCTIONS.

Your

Garrard

Zaro

100¢

turntable

can

be

used

with

elther

mono

or

stereo

sound

systems

as

described

below.

Note:

R.C.A.

type

output

connectors

are

used

on

this

turntable

AC.

POWER

SUPPLY

AND

GROUND

CONNECTIONS

The

brown

AC

power

supply

cable

should

be

plugged

into

the

ower

outlet

on

the

amplifier

or,

if

this

is

not

provided,

into

a

wall

Socket.

The

green

(or

green

and

yellow)

ground

leed

should

be

Gonnested

toa

ground

connection

on the

amplifier

chassis

oF

Girectly

to

ground.

The

amplitier

manutact

give

more

detailed

advico.

CONNECTING

A

STEREO

CARTRIDGE

TO

A

STEREO

AMPLIFIER

Plug

both

pheno

leads

into

the

amplifier

input

sockets

as

shown

in

@agrem

6.

Make

certain

that

the

right-hand

pickup

output

Cchennol

(R)

ia

connected

to

the

amplifier

input

fooding

the

right

han

speaker

end

that

te

left-and

output

channel

(L)

is

Connected

to

the

input

feeding

the

lefthand

speai

CONNECTING

A

MONO

CARTRIDGE

TO

A

STEREO

AMPLIFIER

Plug

in

the

phono

lead

as

shown

on

diagram

7.

pickup

output

channel

(R)

it

the ted

and

green

farm

cariridge

carrier

are

connected

to

the

cartridge

output

pins

and

the

left-hand

output

channel

(L)

if

the

white

and

blue

I

fro

connected

to

the

cartridge.

Use

the

'Y'

adaptor

only

i

amplifier

has

no

provision

for

connecting

both

input

chennals

togothor

in

paral

CONNECTING

A

STEREO

CARTRIDGE

TO

A

MONO

AMPLIFIER

Plug

both

phono

leads

into

a

“Y'

i

so

that

tne

complete

output

signal

trom

the

cartridge

will

be

Tepreduced

through

the

sound

system.

+

Refer

to

the

amplifier

manufacturer's

instructions

for

the

selection

‘of

amplifir

input

level

for

the

type

of

cartridge

in

us

AG.

Power

Sha

Groand

Connections

Steree

Cartridge

Stereo

Amp

Gennections

Dugan

6

Cenridge—

Stores

Ame

Connections

Stores

Garridge—

Mono

Aro

Gonnectione

Bottom

Turntable

rus

[oom

©O]vr80"

Pus

nto

Frnousi

S52

ft

‘Channel

Preamp

O|fO]

|

ers

Mans

pia

LoLevel*

ap

imps

EE

om

JO)

bo

Lone

TT

FITTING

THE

PICKUP

CARTRIDGE

The

fixing

screws

and

cartridge

setting

gauge

provided

enable

a

wide

range

of

high

quality

‘cartridges

to

be

fitted

in

their

correct

operating

Position

in

tho

carrier.

at

caro

must

bo

taken

when

fitting

the

ridge

since

it

forms

an

integral

part

of

the

ymely

procise

tonoarm

design

oseontial

to

the

exceptional

degree

of

tracking

accuracy.

Taft

he

cartrdae

process

as

describes

1

Remove

the

pickup

cartridge

cartier.

2

Attach

the

cartridge

to

the

cartier.

3

Align

the

cartridge.

4

Connect

jeads

to

the

cartridge,

5

Retit

ie

carrier

6

Sot

stylus

force

and

art-skating

device,

1,

REMOVING

THE

PICKUP

CARTRIDGE

CARRIER

‘Supper'

the

tonearm

elevated

over

the

platter

with

one

hand

to

avoid

strain

and

withdraw

the

‘carrier

with

the

other

hand.

Turn

the

carrier

over

and

peel

off

any

adhesive

tape

used

to

hold

the

coloured

leads

during

transit.

When

removing

tho

cartier

with

a

cartridge

fitted,

support

the

tonearm

well

clear

of

the

operating

controls

to

avoid

risk

of

damage

to

the

cartriage.

2

ATTACHING

THE

CARTRIDGE

TO

THE

CARRIER

(a)

Secure

the

cartridge

to

the

carrier

by

pass

ing

a

pair

of

screws

through

the

cartridge

mounting

(see

‘Note’

below),

then

screw:

ing

them

into

the

throaded

holes

in

the

locking

plate

which

slides

in

the

channel

fon

the

opposite

side

of

the

carrier.

The

Screws

must

not

protrude

through

the

far

Side

of

the

lecking

plate

suficiently

to

touch

the

setting

gauge.

rc

‘Tighten

the

screws

just

sufficiently

to

hold

the

cartridge

in

place,

Note:

The

charts

alongside

show

the

fixing

screws

recommended

for

a

typical

range

of

‘magnetic

cartridges

and

the

actual

lengths

of

the

screws

for

identification.

These

screws

have

British

Association

No.

6

(6

BA)

threads

1nd

are

supplied

in

a

set

of

six

pairs

of

the

lengths

shown.

Rocommendod

Serew

Length

Canteen]

ere

a

Pa

[or

ADE

(A

Neds)

x

Decea

(London

is

Empire

90,

208

X

999,

and

1000,

Onoton

S115.

x

Shure

V15

TypeTt

¥

MOE

ang

MOE

|

x

MSE

MALE

anc

Me}

x

1/8"

3/16"

1/4"

7/16"

1/2"

9/16"

oPt

th

3

ALIGNING

THE

CARTRIDGE

Slide

the

carrier

into

the

slots

in

the

clear

plastic

eetting

gauge.

Take

care

that

the

stylus

{does

not

catch

on

the

gauge

as

the

cartridge

enters

The

stylus

tip

must

be

vertically

above

the

point

lat

which

the

lines

on

the

gauge

cross.

If

it

Is

not,

move

the

cartridge

until

it is

correctly

aligned.

4

CONNECTING

THE

CARTRIDGE

When

the

alignment

is

satisfactory,

tighten

both

foxing

scrows,

remove

tho

gauge,

ané

cor

rect

the

insulated

leads

on

the

earner

by

push

ing

their

tage

onto

the

cartridge

output

pine.

Use

the

following

colour

code

in

conjunction

with

the

cartridgo

manufacturer’

inetructione:

Rod

—

Right

hand

channel

signal

Green

~

Right

hand

channel

ground

White

—

Loft

hand

channel

signal

Blue

~

Left

hand

channel

ground

Note:

if

cartridge

has

only

three

pins

or

tags,

use

the

groen

le

together.

Insul

required

‘and

tuck

away

any

lead

not

Dagrom

11

Aig

te

Catcpe

5

REFITTING

THE

CARRIER

(2)

Move

the

tonearm

locking

lever

to

FREE

‘support

the

tonearm

over

the

platter

away

‘rom

the

operating

controls

with

one

hand,

to

avoid

risk

of

damage

to

the

cartridge.

(b)

Locate

the

contact

portion

of

the

carrier

Ported

by

the

head

and

protrude

approxi:

mately

Jin

trom

the

front

of

the

heed.

Gently

push

the

carrier

into

the

head.

It

docs

not

mattor

whother

the

cartridge

tilting

lever

(see

diagram

18)

Is

at

M

or

A

at

this

stage.

6

STYLUS

FORCE

AND

TONEARI

ANTLSKATING

DEVICE

Set

these

as

instiucted

in

the

following

sec-

tions.

Diagram

2

Resting

Carer

‘SETTING

STYLUS

FORCE

T

Move

the

stylus

force

weight

so

that

its

Centre

line

is

at

0

on

the

tonearm

and

the

magnetic

shield

(diagram

14)

80

that

its

red

Tine

is

at

0

on

botn

scales,

2

With

the

cartridge

fitted,

remove

the

stylus

guard

and

move

the

tonearm

locking

lever

fo

FREE

and

move

the

tonearm

inwards

so

that

it

pivois

freely.

Take

care

to

provent

the

stylus

from

touching

the

rubber

mat.

3

Wing

the

counterbalance

weight

backwards

fF

forward

until

the

tonearm

is

in

balance

TONEARM

ANTISKATING

DEVICE

‘An

anti-skating

control

is

necessary

to

offset

‘the

normal

tendency

of

the

tongarm

to

move

(skate)

across

the

record

toward

the

centre

As

the

record

revolves,

with

the

arm

tracking,

‘an

inward

skating

force

is

created,

which

must

‘be

counteracted

by

an

equal

force

in

the

‘opposite

direction.

This

minimises

wear

on the

inner

side

of

the

groove,

premature

damage

to

the

record,

and

sound

distortion.

The

skating

force

is

directly

rolated

to

the

stylus

force

sot

for

the

cartridge.

‘The

simple

but

ingenious

anti-skating

control

utiizes

the

wellknown

magnetic

principle

that

like

poles

repel

each

other.

This

results

in

the

elimination

of

mechanical

linkage.

A

ceramic

disc

magnet

is

mounted

on

the

pivoting

tone-

farm

gimbal

and

another

affixed

above

it

on the

Calibrated

tonearm

pivot

bracket.

A

ferrous

metal

shield,

slides

between

the

two

magnets,

to

sot

the

ant-skating

force

desired.

When

the

shiold

is

between

the

to!al

areas

of

the

mag

with

the

stylus

tip

at

the

height

of

the

top

face

of

one

record

on

the

platter.

4

Return

tho

tonoarm

to

ite

rest,

and

move

the

locking

lever

to

LOCK.

5

Set

the

stylus

force

to

that

recommended

by

the

cartridge

manulacturer

by

moving

tho

stylus

force

weight

forward

unt

its

centre

Tine

ip

at

the

mark

on

the

tonearm

ecalo

representing

this

force.

The

scale

is

cal-

brated

up

to

3

grammes

in

steps

of

|

‘oramme.

nets,

they

have

no

effect

on

each

other,

since

the

shield

blocks

the

magnetic

flux.

Hi

1a

the

shield

is

moved

outward,

it

exposes

the

magnetic

field,

creating

a

controllable

amount

fof

magnetic

ropulsion.

This,

in

tim,

exerts.

a

measurable

torsional

force

on

the

tonearm,

as

the

two

magnetic

poles

push

apart,

creating

the

correct

amount

of

antiskating

force

desired,

as

indicated

on

the

roading

scale.

SETTING

THE

DEVICE

1

For

a

cartridge

with

a

conical

(spherical)

‘stylus

tip.

Move

the

magnetic

shield

along

the

transparent

tonearm

mounting

bracket

until

the

red

calibration

line

on

the

shield

is

ata

pasition

on

the

‘conical’

scale

cor

responding

to

the

stylus

force.

If,

say,

2

(grammes

stylus

force

has

already

bean

sel,

‘move

the

slider

to

the

figure

2

on

the

scale

2

For

a

cartridge

with

an

elliptical

stylus

tip.

Proceed

in

the

same

way,

but

use

the

‘elliptical’

scale

on

the

bracket.

|

orem

19

Sting

srs

Force

igre

14

Gating

Tonarm

Atataing

Bove