Akai GX-F35 Manuel utilisateur

Table des matières

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AKAIT

Service

STEREO

CASSETTE

DECK

mopvELG

X=F

3

5

STEREO

CASSETTE

DECK

MODEL

GX-

F3

5

THIS

MODEL

IS

APPLICABLE

TO

BOTH

SILVER

AND

BLACK

PANEL

MODEL

SECTION

1

SERVICEMANUAL

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

3

SECTION

2.

PARTS:

LIST

3

e2eecn

eee

EE

hae

aes

25

SECTION

3)

SCHEMATIC

DIAGRAM

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

40

I.

Il.

VI.

VIL.

VIE.

IX.

SECTION

1

SERVICE

MANUAL

TABLE

OF

CONTENTS

TECHNICAL

DATA).

ogc

fMiioes

acs

wate

Yagi

Dee

mole

Ee

hedies

8

eee

eens

b

hoe

e

seed

ees

4

DISMANTLING

OF

UNIT

i:

sce

fee

Sh

eee

i

A

es

MOA

Ue

wade

aa

waded

5

CONTROLS»

(o3.f3

oo.

5

4s

Bibtanetenbnelig

Th

a

Poe

he

hae

04-4

lee

ea

wanes

eae

ot

Maver

aaterde

ees

6

PRINCIPAL

PARTS

LOCATION

....

0.00...

teen

ene

7

VOLTAGE

AND

CYCLE

CONVERSION

..

0.0...

ccc

tee

eee

e

eens

8

1.

VOLTAGE

CONVERSION:

«ps

.s0hc

06S

Sh

ba

Sts

gine

Gah

tele

enig

84d

Ye

BOE vee

8

2./

CYCLE

CONVERSION.

32°

dyuaiis

Sao

Megan

diy

Ww

yedg

dren

Qed

aul

tienes

BE

Re

oa

eek

8

MECHANICAL

ADJUSTMENT

........0..

0.0...

cece

een

teen

ete

9

1.

FLYWHEEL

LOOSE

PLAY

ADJUSTMENT

.........

20.000

ccc

ee

eee

ene

9

2..

PLUNGER

POSITIONING:

ssa,

Bis:

Bae

Geek

ok

ba

Pee

bP

Aes

lh

dee

eat

10

3.

PINCH

ROLLER

PRESSURE

MEASUREMENT

...........

00000

c

cece

eee

eee

eens

10

4.

VARIOUS

TORQUE

MEASUREMENT

....

0.0.0...

eee

ees

10

5.

TAPE

SPEED

ADJUSTMENT

..

0...

eee

eee

eens

10

HEAD

ADJUSTMENT

§

80.0.8

02e%

o

asee

Sh

od

eR

OOS

wae

Sethe.

welts

1

BR

aed

O84

eR

Soe

11

1.

TAPE

GUIDE

HEIGHT

ADJUSTMENT

..

0.0.00...

0

cee

11

2.

RECORDING/PLAYBACK

HEAD

HEIGHT

ADJUSTMENT

..................00000000.

11

3.

RECORDING/PLAYBACK

HEAD

AZIMUTH

ALIGNMENT

ADJUSTMENT

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

11

ELECTRICAL

ADJUSTMENT

..

1.0.20...

0.

ce

tence

ene

ees

12

DC

RESISTANCE

OF

VARIOUS

COILS

...........

0...

ccc

eee

eee

eee

15

CLASSIFICATION

OF

VARIOUS

P.C

BOARDS

........0..

0...

eee

eens

16

1.

P.C

BOARD

TITLES

AND

IDENTIFICATION

NUMBERS

............00

0000

cece

eeuae

16

2.

COMPOSITION

OF

VARIOUS

P.C

BOARDS

..........0.00

000

0c

eee

eee

17

For

basic

adjustments,

measuring

methods,

and

operating

principles,

refer

to

GENERAL

TECHNICAL

MANUAL.

i.

TECHNICAL

DATA

TRACK

SYSTEM

TAPE

eee

|

TAPE

SPEED

_

4

Track

a

Channel

Stereo

System

7

Philips

Type

Cassette

a

4.76

cm/s

+

1.0%

(1-7/8

i

ips.

+1.0%)

_

HEADS

MOTORS

Erase

head

x1

Twin

Field

Super

GX

head

for

Record/Playback

x

1

Electronically

speed

controlled

DC

motor

for

capstan

drive

x

|

DC

motor

for

reel

drive

x

1

WOW

&

FLUTTER

_

Less

than

0.04%

WRMS,

0.11%

(DIN

45500)

+:-

|

—

|

TAPE

WINDING

TIME

FREQUENCY

RESPONSE

|

SIGNAL

TO

NOISE

RATIO

|

HARMONIC

DISTORTION

|

Metal:

|

Phone:

_

80

sec.

using

a

C-

60

cassette

tape

LN:

30

to

15,000

Hz

b+3

dB

(—20

VU)

30

to

16,000

Hz

+3

dB

(—20

VU)

30

to

16,500

Hz

+3

dB

(—20

VU)

30

to

9,000

Hz

+3

dB

(0

VU)

30

to

19,000

Hz

+3

dB

(—20

VU)

__30

to

13,000

Hz

+3

dB

(0

VU)

Better

than

58

dB

Better

than

58

dB

CrOg:

Better

than

60

dB

Metal:

Better

than

60

dB

(Measured

via

tape

with

peak

recording

level)

Dolby

NR

switch

ON:

Improves

up

to

10

dB

above

S

kHz

LN:

Less

than

0.8%

LH:

Less

than

0.8%

CrO,:

Less

than

0.7%

Less

than

0.7%

0.25

mV

(input

impedance

5.0

kohms)

_

Required

microphone

impedance:

600

ohms

70

mV

(input

impedance

47

kohms)

_

410

mV

at

0

VU

Required

load

impedance:

more

than

20

kohms

100

mV/8

ohms

at

0

VU

2

mV

(input

impedance

10

kohms)

410

mV

Required

load

impedance:

more

than

20

kohms

LH:

MIC:

Line:

Line:

Input:

Output:

POWER

REQUIREMENTS

~

100V,

50/60

Hz

for

JPN

120V,

60

Hz

for

U.S.A.

and

Canada

220V,

50

Hz

for

Europe

except

UK

240V,

50

Hz

for

UK

and

Australia

110V/120V/220V/240V,

50/60

Hz

internally

switchable

for

other

countries.

__

POWER

CONSUMPTION

DIMENSIONS

——i—is—SSSS

JPN

_U/T,

AAL,

CSA

440(W)

x

118(H)

x

285(D)

mm

(17.3

x4.6

x

11.2”)

WEIGHT

6.9

kg

(15.2

Ibs)

*For

improvement

purpose,

specifications

and

design

are

subject

to

change

without

notice.

*“Dolby”

and

the

Double

D

system

are

trademarks

of

Dolby

Laboratories.

(Manufactured

under

license

from

Dolby

Laboratories).

i.

DISMANTLING

OF

UNIT

i)

In

case

of

trouble,

etc.

necessitating

dismantling,

please

dismantle

in

the

order

shown

in

the

phtographs.

Reassemble

in

reverse

order.

CASSETTE

LID

1

6

|

@

|

1

|

|

b

c

CONTROL

KNOBS

SCREWS

‘

bd

c

SCREWS

=

Sts

-

en

.

ten

:

———

{

Q

bd

FRONT

PANEL

c

3

8

i

a

UPPER

COVER

bd

€

BACK

BOARD

a

2

SCREWS

—

we

ANS

—

4

j

9

|

“urements

seam,

|

on:

om

TY

a

BOTTOM

PLATE

‘2

SCREWS

‘

li.

CONTROLS

O

@®

oe

Vimar,

|

>

sete

‘

acd

BSBA

‘

AMAL

secmecfexecde

re

seen

REMOTE

:

ee

OH

HEROTE,

CORT

ROL

HAZARD

DO

|

NOT

OPEN?

OPEN?

Ee

fd

iit

tee

brane:

O

SYMBOL

AME

TRARE

BAERS

tST

ik

=

HE

CHOC

--

HE

PAS

ENLEVER!

HARE

GMREL

vee

Yee

SOLEY

LASBRATERIES

SGEFAHR

—WICHT

OFEN

OrrNen!

[CRM

LICENSE

OF

Studd

5.2

geEsstLs

FELBERT

IN

LINE

QUT

AKAI

ELECIRIC.

CO,

LID.

mone.

nunmen

GK

~

Rae

PARE

1h

SARUADE

WD (8

@

2

Qi)

Fig.

1

Controls

1.

TIMER

START

SWITCH

11.

TAPE

SELECTOR

2.

EJECT

BUTTON

12.

PEAK/VU

SELECTOR

AND

INDICATOR

3.

CASSETTE

RECEPTACLE

13.

OUTPUT

CONTROL

4.

AUTO

SYSTEM

SELECTOR

14.

TAPE

COUNTER

AND

RESET

BUTTONS

5.

IPSS/AUTO

MUTE

SEC

DISPLAY,

15.

OPERATING

BUTTONS

PROGRAM

AND

CLEAR

BUTTONS

16.

POWER

SWITCH

6.

FL

DISPLAY

BAR

METERS

WITH

PEAK

17.

INPUT

SELECTOR

SWITCH

(The

JPN,

HOLD

U.S.A.,

Canada

and

U/T

models

do

not

7.

LEFT—®)~

RIGHT

RECORDING

LEVEL

have

this

facility)

CONTROLS

18.

LINE

INPUT

JACKS

(left

and

right)

8.

MICROPHONE

JACK

(left

and

right)

19.

DIN

JACK

(The

JPN,

U.S.A.,

Canada

and

9.

HEADPHONES

JACK

U/T

models

do

not

have

this

facility)

10.

DOLBY

NR

AND

FILTER

SWITCH

AND

20.

LINE

OUTPUT

JACKS

(left

and

right)

INDICATOR

21.

REMOTE

CONTROL

JACK

eee

6

IV.

PRINCIPAL

PARTS

LOCATION

TIMER

START

PROGRAM

P.c

BOARD

SWITCH

CL-

5008

EJECT

AUTO

SYSTEM

REC

LEVEL

CONTROLS

BUTTON

SELECTOR

SWI

BAR

METER

VRI

POWER

SWITCH

OUTPUT

CONTROL

|

TAPE

SELECTOR

PHONES

JACK

L

R

Swi

nL

VR3

sw4

J2

MIC

JACKS

PEAK/VU

DOLBY

AND

FILTER

SELECTOR

SW6

SWITCH

SW7

Fig.

2

Front

View

POWER

SWITCH

VOLTAGE

SELECTOR

Swi

vsi

REC/PB

SWITCHES

POWER

TRANSFORMER

POWER

SUPPLY

PRE

AMP

P.C

BOARD

a

TI

P.C

BOARD

CL-SOOIA

Ssw3

swe

PLAY

PLUNGER

REEL

MOTOR

BRAKE

PLUNGER

BAR

METER

P.C

8O0ARD

SL9OI

M902

SL902

cL-5002

CAPSTAN

MOTOR

MSOI

Fig.

3

Top

View

V.

VOLTAGE

AND

CYCLE

CONVERSION

JR

rower

CORD

is

eee

o

ee

eee

ii

met

id

=

ra

=

ee

2 ”

ws

binned

iat

aga

POWER

SUPPLY

P.C

BOARE

CL-

5003

FRONT

Fig.

4

Voltage

Conversion

(U/T

Model

Only)

1.

VOLTAGE

CONVERSION

2.

CYCLE

CONVERSION

Models

for

Canada,

Europe,

USA,

UK,

Australia

and

With

DC

motor,

cycle

conversion

is

not

necessary.

Japan

are

not

equipped

with

this

facility.

Each

machine

is

preset

at

the

factory

according

to

destination,

but

some

machines

can

be

set

to

110V,

120V,

220V

or

240V

as

required.

If

voltage

change

is

necessary,

this

can

be

accomplish-

ed

as

follows:

1.

Disconnect

power

cord.

2.

Loosen

holding

screws

and

remove

upper

cover.

3.

Remove

short

pin

plug

from

present

holes

and

re-

place

in

correct

holes.

Follow

the

markings

explicitly.

VI.

MECHANICAL

ADJUSTMENT

|

i

I;

FLYWHEEL

Ol

to

W2mm

Fig.

5

1.

FLYWHEEL

LOOSE

PLAY

ADJUSTMENT

(Refer

to

Fig.

5)

Adjust

the

screw

(a)

so

that

the

flywheel

moves

0.1—

0.2

mm

in

the

direction

indicated

by

the

arrow.

TAPE

SPEED

ADu.

VOLUME