Akai AP-005 Manuel utilisateur

SERVICE

MANUAL

PARTS

LIST

AUTOMATIC-TURNTABLE

move.

AP-005

SECTION

SERVICE

MANUAL............--

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SECTION

PARTS

LIST

........

22.20.02

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SECTION

SERVICE

MANUAL

TABLE

CONTENTS

ARS

TECHNICAL

DATA

2.1...

eens

DISMANTLING

UNIT...

0.0.6.

ARRANGEMENT

PRINCIPAL

PARTS.

...............

AUTOMATIC

MECHANISM

ADJUSTMENT...............

LEAD-IN

POSITION

ADJUSTMENT..................

LEAD-OUT

POSITION

ADJUSTMENT

................

PLAYER

CARE

CYCLE

CHANGE

(MOTOR

PULLEY

REPLACEMENT)

......

VETRE

STYLUS:

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26:

LUS

CHANGE

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LUBRICATION

VII.

BLOCK

DIAGRAM

TECHNICAL

DATA

TURNTABLE

SECTION

TURNTABLE

300

aluminium

alloy

die-cast

turntable

DRIVE

SYSTEM

Belt

drive

MOTORS

(2)

One

4-pole

hysteresis

synchronous

motor

for

turntable

drive

and

geared

motor

for

tone

arm

drive

SPEED

33-1/3

and

rpm

WOW

FLUTTER

SIGNAL

NOISE

RATIO

WEIGHT

0.05%

WRMS

Better

than

1.1

grams

TONE

ARM

SECTION

TONE

ARM

Static

balanced

type

stainless

steel

tubular

arm

with

inside

force

canceler

and

lateral

balance

weight

ARM

LENGTH

220

STYLUS

PRESSURE

ADJUSTMENT

RANGE

APPLICABLE

CARTRIDGE

WEIGHT

ARM

LIFTER

OVERHANG

SHELL

WEIGHT

grams

12.5

grams

using

sub-weight)

Oil

damped

13.5

grams

CARTRIDGE

SECTION

CARTRIDGE

(dual

magnet

type)

Audio

Technica

model

AT-11

with

0.7

mil

spherical

diamond

stylus.

FREQUENCY

RESPONSE

25,000

OUTPUT

VOLTAGE

(1,000

mm/sec)

CHANNEL

SEPARATION

(1,000

Hz)

OPTIMUM

STYLUS

PRESSURE

grams

REQUIRED

LOAD

IMPEDANCE

100

ohms

WEIGHT

5.5

grams

GENERAL

SPECIFICATIONS

POWER

REQUIREMENTS

CSA

Models

..........:c0cees0e-

120V,

CEE

Models

..........:.c00000064

220V,

Other

Models

.............-..008

110

120V/220

240V,

50/60

(Switchable)

DIMENSIONS

440(W)

128(H)

358(D)

(17.4"

50”

14.1")

WEIGHT

7.6

(16.7

Ibs.)

NOTE:

For

improvement

purposes,

specifications

and

design

are

subject

change

without

notice.

ll.

DISMANTLING

UNIT

case

trouble,

etc.

necessitating

disassembly,

please

disassemble

the

order

shown

photographs.

Reas-

semble

reverse

order.

ADJUSTMENT

BOTTOM

COVER

TABLE

SHEET

LOOSEN

THESE

SCREWS

SLIGHTLY

TURN

TABLE

ADJUSTMENT

lil!

ARRANGEMENT

PRINCIPAL

PARTS

PROXIMITY

SWITCH

PLATE

ASSY

TIMING

MOTOR

POWER

TRANSFORMER

VOLT

SELECTOR

MICRO

SWITCH

MOTOR

PULLEY

BELT

GUIDE

POWER

TRANSFORMER

PHASE

CAPACITOR

220V

iov

240V

i20v

SUPPLY

BOARD

HYSTERESIS

SYNCHRONOUS

MOTOR

AC-4

MAIN

WEIGHT

LATERAL

WEIGHT

INSIDE

FORCE

CANCELLER

PICK

STAND

PICK

ARM

HEAD

SHELL

IV.

AUTOMATIC

MECHNISM

ADJUSTMENT

Fig.

HOLE

PANEL

(FOR

ADJUSTMENT)

Fig.

LEAD

POSITION

ADJUSTMENT

Remove

the

rubber

plug

which

located

panel

toward

the

rear

part

the

pick-up

arm.

When

the

pick-up

arm

moved

from

the

position

shown

Fig.

toward

the

position

shown

Fig.

adjustment

screw

(B)

becomes

accessible

through

the

hole

from

which

the

rubber

plug

has

been

removed

the

lead-out

position

approched.

When

adjustment

screw

(B)

turned

clockwise,

lead-in

adjusted

further

inward

and

when

turned

counter-clockwise,

further

outward.

Therefore,

adjust

lead-in

position

follows:

For

adjusting

toward

inner

circumference

turn

clockwise.

For

adjusting

toward

outer

circumference

turn

counter-clockwise.

NOTE:

When

the

adjustment

screw

turned

one

revolution,

the

position

the

pick-up

arm

stylus

changed

about

mm.

When

using

the

standard

accessory

car-

tridge,

adjust

that

record,

lead-in

takes

place

between

298

and

293,

25cm

record,

lead-in

takes

place

between

247

and

242¢,

and

record,

lead-in

takes

place

between

173

and

168¢.

(These

diameters

are

measured

with

Center

Spindle

center

position.)

After

adjustment,

sure

re-install

rubber

plug.

LEAD

OUT

POSITION

Remove

the

rubber

plug

which

located

panel

toward

the

rear

part

the

pick-up

arm.

Stationary

the

pick-up

arm

(on

arm

rest)

shown

Fig.

this

position,

adjustment

screw

(A)

becomes

accessible

through

the

hole

from

which

the

rubber

has

been

removed.

When

adjustment

screw

(A)

turned

clockwise,

lead-out

will

sooner

and

when

turned

counter-clockwise,

lead-out

will

delayed.

Therefore,

adjust

lead-in

position

follows:

For

adjusting

toward

outer

circumference

turn

clockwise.

For

adjusting

toward

inner

circumference

turn

counter-clockwise.

NOTE:

When

the

adjustment

screw

turned

one

revolution,

the

position

the

pick-up

arm

stylus

changed

about

mm.

When

using

the

standard

accessory

car-

tridge,

adjust

that

record,

operation

begins

between

115¢

and

109¢@,

and

record,

opera-

tion

begins

between

106¢

and

98@.

(These

diameters

are

measured

with

Center

Spindle

and

Center

Position.)

After

adjustment,

sure

re-install

rubber

plug.

CYCLE

CHANGE

(MOTOR

PULLEY

REPLACEMENT)

MOTOR

PULLEY

BELT

GUIDE

ALIGN

SET

SPEED

SELECTOR

RPM

POSITION

GROOVE

Fig.

and

cycle

change

effected

changing

the

motor

pulley.

and

differentiation

can

determined

the

groove

the

pulley.

While

viewing

horizontally

shown

Fig.

install

that

the

lower

part

the

motor

pulley

brim

and

the

lower

part

the

belt

guide

are

lined

up.

Set

speed

selector

rpm

position,

install

the

belt

and

switch

power.

rumbling

noise

from

the

belt

can

heard

and

speed

changing

not

smooth,

adjust

installation

position

motor

pulley.

Vi.

PLAYER

CARE

ATS-Il

LIFE

STYLUS

The

lifetime

stylus

about

500

hrs.

use

(about

1000

30cm

records.)

the

stylus

becomes

old,

because

the

record

will

damaged

and

tone

quality

will

become

inferior,

sure

replace

soon

needed.

records

which

dust

allowed

accumulate

are

played,

the

stylus

will

wear

especially

fast

and

the

record

surface

will

scratched.

There-

fore,

please

sure

keep

record

clean

wiping

and

cleaning

the

record

grooves

with

water

soaked

gauze.

Also

dust

adheres

the

turntable

sheet

(rubber

mat),

this

will

cause

the

record

become

dirty

easily,

the

mat

should

also

kept

clean.

STYLUS

CHANGE

When

replacing

stylus,

sure

that

the

stylus

(ATS-11)

inserted

properly

the

direction

the

arrow

mark

shown

Fig.

and

fits

into

cartridge

firmly.

Use

only

model

ATS-11

stylus

which

for

use

model

AT-11

cartridge.

Fig.

LUBRICATION

Because

for

rotating

parts

and

parts

which

rub

together

during

operation,

oilless

metal

and

the

best

grease

oil

used,

your

machine

will

not

need

lubrication

for

some

time.

About

once

per

year,

use

standard

accessory

player

oil

and

apply

one

two

drops

the

motor

shaft

shown

Fig.

case

you

not

have

player

oil,

use

#60

spindle

oil

high

grade

machine

oil.

used

continually

for

business

purposes,

etc.,

oil

about

once

twice

per

month.

CAUTION:

Following

lubrication,

because

oil

will

adhere

the

drive

belt

and

pulley

and

the

turntable

etc.,

wipe

the

oil

off

these

parts

with

cloth

which

little

carbon

tetrachloride

thinner

(benzine

can

also

used)

has

been

applied.

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