Akai AP-A510 Manuale utente

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AKAI

senwce

manunt

SEMI

AUTOMATIC

TURNTABLE

mov.

AP-A510/C

MODEL

AP-A305/C

SAFETY

INSTRUCTIONS

SAFETY

CHECK

AFTER

SERVICING

Confirm

the

specified

insulation

resistance

between

power

cord

plug

prongs

and

externally

exposed

parts

of

the

set

is

greater

than

10

Mohms,

but

for

equipment

with

external

antenna

terminals

(tuner,

receiver,

etc.)

and

is

intended

for

or

[A]

,

specified

insulation

resistance

should

be

more

than

2.2

Mohms

(ground

terminals,

microphone

jacks

3

headphone

line-in-out

jacks

etc.)

PRECAUTIONS

DURING

SERVICING

1,

Oo

CON

OD

Parts

identified

by

the

L\

symbol

parts

are

critical

for

safety.

Replace

only

with

parts

number

specified.

In

addition

to

safety,

other

parts

and

assemblies

are

specified

for

conformance

with

such

regulations

as

those

applying

to

spurious

radiation,

These

must

also

be

replaced

only

with

specified

replacements.

Examples:

RF

converters,

tuner

units,

antenna

selector

switches,

RF

cables,

noise

blocking

capacitors,

noise

blocking

filters,

etc.

Use

specified

internal

wiring.

Note

especially:

1)

Wires

covered

with

PVC

tubing

2)

Double

insulated

wires

3)

High

voltage

leads

Use

specified

unsulating

materials

for

hazardous

live

parts.

Note

especially:

1)

Insulation

Tape

2)

PVC

tubing

3)

Spacers

(Insulating

Barriers)

4)

Insulation

sheets

for

transistors

5)

Plastic

screws

for

fixing

microswitch

(especially

in

turntable)

When

replacing

AC

primary

side

components

(transformers,

power

cords,

noise

blocking

capacitors,

etc.),

wrap

ends

of

wires

securely

about

the

terminals

before

soldering.

c>

>

Observe

that

wires

do

not

contact

heat

producing

parts

(heatsinks,

oxide

metal

film

resistors,

fusible

resistors,

etc.).

Check

that

replaced

wires

do

not

contact

sharp

edged

or

pointed

parts.

Also

check

areas

surrounding

repaired

locations.

Use

care

that

foreign

objects

(screws,

solder

droplets,

etc.)

do

not

remain

inside

the

set.

VOLTAGE

CONVERSION

(AP-A305/C

only)

Each

machine

is

preset

at

factory

according

to

its

destination,

but

some

machines

can

be

set

to

110V-120V

or

220V-240V

as

required.

If

your

machine’s

voltage

can

be

converted:

Before

connecting

the

power

cord

or

assembling

the

platter

turn

the

Voltage

Selector

located

on

the

top

of

the

cabinet

with

a

screwdriver

until

the

correct

voltage

is

indicated.

Models

for

USA,

Canada,

Europe,

UK

and

Sustralia

are

not

equipped

with

this

facility.

NOTE:

Cycle

conversion

is

unnecessary

since

AP-A510/C

use

a

DC

motors.

|.

SPECIFICATIONS

MODEL

AP-A305/C

MOTOR

DC

E.G

MOTOR

SPEED

33-1/3

&

45

rpm

WOW

&

FLUTTER

0.09%

(WRMS)

RUMBLE

60dB

(DIN-B)

CARTRIDGE

PC-35

OUTPUT

VOLTAGE

4mV

STYLUS

RS-33

CHANNEL

SEPARATION

20dB

CHANNEL

BALANCE

Less

than

2dB

EFFECTIVE

ARM

LENGTH

90mm

POWER

REQUIREMENTS

120V,

60Hz

for

USA

&

Canada

220V,

50Hz

for

Europe

240V,

50Hz

for

UK

&

Australia

110V/120V-220V/240V,50/60Hz

Convertible

for

other

countries

DIMENSIONS

425(W)

x

105(H)

x

345(D)mm

16.7(W)

x

3.9(H)

x

13.6(D)

Inches

WEIGHT

MODEL

AP-AS510/C

DC

E.G

MOTOR

33-1/3

&

45

rpm

0.09%

(WRMS)

60

dB(DIN-B)

Moving

Magnet

Type

((4P|T

ype)

STYLUS

RS-33

Less

than

2dB

425(W)

x

105(H)

x

345(D)mm

16.7(W)

x

3.9(H)

x

13.6(D)

Inches

*

For

improvement

purposes,

specifications

and

design

are

subject

to

change

without

notice.

ll.

DISMANTLING

OF

UNIT

|

In

case

of

trouble,

etc.

necessitating

dismantling,

please

dismantle

in

the

order

shown

in

the

photographs.

Reassemble

in

reverse

order.

t

DUST

COVER

RUBBER

MAT

lil.

CONTROLS

DUST

COVER

TONE

ARM

REST

RUBBER

MAT

DAMPED

CUE

CONTROL

TONE

ARM

and

CARTRIDGE/HEAD

SHELL

SPEED

SELECTOR

(33-1/3

and

45rpm)

MANUAL

CUT/RETURN

BUTTON

Fig.

3-1

IV.

PRINCIPAL

PARTS

LOCATION

MOTOR

P.C.

BOARD

MOTOR

—

We

PHONO

POWER

P.C.

BOARD

P.C.

BOARD

VOLTAGE

SELECTOR

MICRO

SWITCH

MODEL

ONLY

MODEL

AP-A305/C

MOTOR

P.C.

BOARD

MOTOR

MB

PHONO

|

P.C.

BOARD

MODEL

AP-A510/C

Fig.4-]

V.

ADJUSTMENT

1.

SPEED

ADJUSTMENT

(Refer

to

fig.

5-1)

(1)

Set

the

speed

selector

to

33-1/3

rpm.

@ e

(2)

Play

back

the

test

record

(1000Hz

33-1/3

rpm),

and

C)

adjust

VRI

so

that

the

speed

is

1000Hz.

iN

ee

=

er

(3)

Set

the

speed

selector

to

45

rpm.

7O°

7

(4)

Play

back

the

test

record

(1000Hz

45

rpm),

and

ad-

just

VR2

so

that

the

speed

in

1000Hz.

NOTE:

This

speed

adjustment

should

be

adjust

33-1/3

rpm

position

first

then

adjust

45

rpm

next.

Fig.5-1

2.

AUTO

RETURN

ADJUSTMENT

(Refer

to

Fig.

5-2)

(1)

If

the

Tone

Arm

returns

to

early

or

does

not

return

at

all,

Open

the

Bottom

cover

and

adjust

the

auto

re-

turn

point

as

follows.

(The

location

of

auto

return

is

within

54-64mm

from

the

center

spindle.)

(2)

Adjust

the

Cam

in

the

hole

located

at

the

right

side

of

Tone

Arm

after

locking

Tone

Arm

to

the

ARM

REST.

a)

Counter

clock

wise:

Auto

return

point

to

the

out

side

of

record.

b)

Clock

wise:

Auto

return

point

to

the

center

of

re-

cord.

(DRIVER)

3.

PICK-UP

HEIGHT

ADJUSTMENT

All

models

include

AUTOMATIC

RETURN

at

the

end

of

a

record,

actuated

by

levers

and

cams.

The

destance

between

pickup

stylus

and

top

surface

of

a

record

in

the

arm

return

mode

is

typically

5/32-15/32

inch

(4-12mm).

Adjustment

of

this

elevation

is

accomplished

by

means

of

cam

screw

(see

Fig.

5-3).

4

—

Beal

OF

Fe

|

Fig.

5-3

VI.

PARTS

LIST

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FINAL

ASSEMBLY

BLOCK

MODEL

AP-A510/C

1-15

TP-729081

ZFELEVATION

ARM

£S-718244

SW

MICRO

AH-4700

MV-269965

OSTL

B3ALL

40

TP=7

20030

ARM

STAND

3M-718340

M390

MOTOR

BLK

AP-

SA-720979

FOOT

CR-WRT

AP-M300

BELT

M3-713346

ZWw-713553

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AP-A1509

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AP-A159

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DUST

TPS

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AP=-A159

MAIN

GEAR

BLK

AP-M512-C3

TP=7

20066

SPEED

SW

ASSY

AP=-A150

ES=7

1501

TP=T20907E

FEED

ARM

ASSY

AP-4519

TP

720075

ASSY

AP-A156

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TONE

ARM

ASSY

AP=-A159

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LA5515

MODEL

AP-A305/C

TP=720081

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ARM

ES-718554

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AH-47009

MV-269965

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4OOSTL

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BM-718340

MOTOR

BLK

AP=-M300

SA-720079

FOOT

M3-718346

QELT

CR-WRT

AP-M300

£W-718568

CORD

PHONO

AP=-A101

EW-718564

AC

CORD

KKP-10

3C-713549

DUST

COVER

ASSY

AP-A1S0

TP-718552

HINGE

ASSY

AP-A150

TP-720064

MAIN

GEAR

BLK

AP=M512-CB

ES-713551

SPEED

SW

ASSY

AP-A150

T2-720078

FEED

ARM

ASSY

AP=A510

TP-720075

SPINDLE

ASSY

AP-A150

TP-718550

TONE

ARM

ASSY

AP-A150

EF-339905

A

FUSE

SEMKO

T

250V

290MA

£0-511097

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