Nakamichi 480Z Manual de usuario

Otros manuales para 480Z

1

Tabla de contenidos

Otros manuales de Reproductor de casetes de Nakamichi

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Nakamichi 480 Manual de usuario

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Nakamichi 480 Manual de usuario

Nakamichi

Nakamichi CR-3 Manual de usuario

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Nakamichi CR-2 Manual de usuario

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Nakamichi 700 Manual de usuario

Nakamichi

Nakamichi CR-2 Manual de usuario

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Nakamichi

Service

Manual

Nakamichi

4302

2

Head

Cassette

Deck

CONTENTS

45.

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Case:

Cover

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8

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Top

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Panel

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7

Level

Indicator

Ass’y,

Lamp

P.C.B.

Ass’y

and

Indicator

P.C.B.

Ass’y

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0c

ce

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ee

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5

2.

8.

Logic

P.C.B.

Ass’y,

Headphone

Switch

P.C.B,

Ass’y

and

MPX

Filter

Switch

P.C.B.

Ass’y

........

5

2.

9).

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esses,

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6

2.

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Switch

Holder

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Switch

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6

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12

Volume

P.C.B.

Ass’'y

and

Control

Switch

P.C.B.

Ass’y

2.0...

0c

cc

ee

eee

nee

6

2.

13.

Rear

Panel

Ass’‘y,

Power

Transformer

and

Power

Switch

1...

.

0...

eee

ee

ens

8

2.

14.

Cassette

Case

Ass’y

and

Cover

Plate

Ass’y

22...

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ee

eee

eee

8

2.

15.

Tape:

Counter:

ASs’¥

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5:

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8

2.

16.

Capstan

Motor

Ass’y

and

Flywheel

Ass’y

1...

0.0.00

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ee

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8

2.

17.

Sub

Mechanism

Chassis

Ass’y

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9

2.

18.

Control

Motor

Ass’y

and

Reel

Motor

Ass’y

..

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cc

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9

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19.

Cam.

Gontrol

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9

2.

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Reel

Hub

Ass’y

and

Idler

Ass’y

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9

2.

21.

Cam

Drive

Gear

and

Control

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10

2.

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Head’

Mount:BasesAss'y.

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10

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23.

Pressure

Roller

Ass’y

and

Erase

Head

..

0...

2.

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10

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24.

Record/Playback

Head

Ass’y

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3.

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Instruments

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11

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Mechanism

Control

Cam

Adjustment

.

0...

0...

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11

4.

2

Tape:Speed

Adjustment

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12

4.

3

Record/Playback

Head

Tilt

Adjustment

.....

0...

00.

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te

ee

eee

eee

13

4.

4.

Head

Base

Stroke

Adjustment

..

0...

cc

ee

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14

4.

5,

Tape

Guides

Adjustment

and

Erase

Head

Stroke

Adjustment

..........

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c

cece

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eee

14

4.

6

Erase

Head

Height

and

Tilt

Adjustment

2.0...

0.

.

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cee

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15

4.

7

Back

Tension

Adjustment

......0.

0.

cece

ete

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een

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nes

15

4.

8.

Record/Playback

Head

Height

Adjustment

and

Azimuth

Alignment

........

2.000

ce

eee

eens

16

4.

9.

Tape

Travelling

Adjustment

........

0...

cece

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eet

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17

4.

10.

Record

Switch

Linkage

Adjustment

..

0.0...

0.

cee

ee

ee

et

een

eee

nee

eens

17

4.

11,

Flywheel

Holder

Adjustment

1.0.0.0...

00.

eee

eee

ee

eee

eee

eens

18

4,

12.

Eject

Wire

Adjustment...

0.0.0...

cc

ee

ee

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eee

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18

4,

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=

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18

5.

Parts

Location

for

Electrical

Adjustment...

0.0.0.0...

cc

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enn

19

6.

Electrical

Adjustments

and

Measurements

..........

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20

6.

1.

Adjustment

and

Measurement

Instructions

2.2...

..

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20

6.

2.

Playback

Frequency

Response

Adjustment

.......

0...

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23

6.

3.

Dolby

NR

Circuit:

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24

7.

Mounting

Diagrams

and

Parts

List

...

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25

7.

1.

Main

Pi.

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can

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Peat,

hates;

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ages

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dee

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wre

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25

7.

2.

Voltime:P.C:Be:

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5.5,

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31

7

3.

amp:P.C:Bo

Ass’

y

0

ste

ate

te

cee

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asta

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lee

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tee

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ence

he

BE

a

fal

abl

alia

BV

ete

eal

ae

eos

31

7.

4.

MPX.

Filter:

Switch.

P.C.B-

ASS’.

on

ee

See

ee

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ae

ede

dal

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abd

Vw

31

7.

5.

Headphone

Switch

P.C.B.

Ass’y............

Pathe

iblon

ge

acing

S

Macrae

tn

ants

Ua

nls ald

UAT

tec

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see

31

7.

6.

Bias

Tune

Volume

P.C.B.

Ass’y

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ee

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31

7.

7.

Indicator

PsCoBs

ASS?

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odo

beara

Wiha

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0

en

ME

note.

wud

oe

GS

Sere

aa

a:

31

7.

8.

Switch

P.C.B.

Ass’y...........-.

sige

Sod ata

Stee

ets

a

Sica

hve

Ree

ata

de

goahn

gediede

a

aettesding

31

7.

9.

Shut-off-P:G:BisAss'

Vie

«hei

oe

a

ba

ee

ed

ole

Gee

Sea

ee

oe

ea

eg

Oe

rae

32

8.

11.

12.

13.

14,

7.

10.

Controu:P:C.Be

Assy

4.653%

@

hada

Ga

tant

Add

BA

bea

de

Rate

ate

ee

eck

lee

ade

32

7.

11,

Control:Switch:P:

GB

Ass’

soe

cnc

dc

ee

BB

sre

thes

SR

a

a

abe,

Se

bY

32

7.

12.

Logic,

P.C:BuASs'

yi

5.0.

av

see

ante

diss Gide

Bye

ered

4

ee

Ee

Se

an

eS

eae

Ae

es

33

Mechanism

Ass‘y

and

Parts

List...

0...

cc

ee

ee

eee

ee

nee

een

ee

ne

eas

37

8.

1.

Synthesis:

esse

se

Side

be

obo

ae

edna

rs

Se

Peewee

ws

decane

and

iG

Beapaiee.

“oda

tok

37

8.

2.

Front

Panel-Ass’y

(AOU):

<.3:6-5

3

Gig

esetca

eee

0

es

Deane

Saeco

ae

ans

ec

and

SL

aA

w

Wd:

ora

hae

ee

aes

39

8.

3.

Synthesis

Mechanism

Ass’y

(A02)

1...

0.0...

cc

ee

ee

ee

eee

eee

ee

eee

eee

39

8. 4.

Meter

Escutcheon

Ass’y

(B01)

2.1...

..

ee

ee

eee

ee

ee

ete

ee

eee

eens

41

8.

5.

Control

Switch

Holder

Ass‘y

(B02)

.

0...

ec

ce

ee

ee

tee

ee

eee

eee

eee

eens

41

8. 6.

Headphone

Jack

Ass‘y

(B03)

2...

wc

ce

eee

eee

ee

ee

eee

ee

ees

42

8.

7.

Mechanism

Ass’y

480Z

(B04)...

0...

ee

ee

eee

ne et

eens

43

8.

8.

Chassis:Ass’y3(BO5)

soo

so

ace

oie,

area

means,

2

alles

bBo

aica

ace

eames

eneiw

Gadde

BE

ate

Meee

ats

44

8.

9.

Flywheel

Holder

Ass’y

(CO1)

20...

ce

ee

te

ee

eee

eee

teeta

44

8.

10.

|

Sub

Mechanism

Chassis

Ass’y

(CO2)

..

0...

ec

ee

eet

eens

45

8.

11.

Main

Mechanism

Chassis

Ass’y

(CO3)

1.0...

0.

0c

ee

ee

ete

ee

ee

eee

ee

eee

ee ee

eens

46

8.

12.

Rear:

Panel

Ass'y

(DOT)

fis

ese.

ohh

Ri

eee

data

&

ahagiee

et

nae

os

oe

Sew

MS

and

ee

ee

ee

aS

47

8.

13.

Capstan

Motor

Ass’'y

(E01)...

1...

ee

eee

ee

ee

ee

teeta

48

8.

14.

Reel

Motor

Ass’'y

(FO1)

2.0...

ce

ce

ee

ce

eee

ee

tee

ee

eee

e

ees

48

8.

15.

Control

Motor

Ass’'y

(FO2)

2...

cc

ee

eee

ee

eee

eee

ee

eee

48

8.

16.

Head

Mount

Base

Ass’'y

(G01)...

0...

ee

eee

eee eee

ee

ee

ene

48

8.

17.

Supply

Pressure

Roller

Ass‘y

(G02)

2...

ee

ee

eee

eee

ee

eee

48

8.

18.

|

Take-up

Pressure

Roller

Ass’y

(G03)

2...

ee

te

eee

eee

49

8.

19.

Head

Base

Ass’y

C:(G04)

c22:56

eee

ea

Sh

eee

Ee

ae

ee

Pewee

Daw

Dh

eas

49

8.

20.

Cassette

Case

Holder

L

Ass’y

(G05)

1.0...

ee

ee

ee

eee

eee

eens

49

8.

21.

Cassette

Case

Holder

R

Ass’y

(G06)...

1...

ec

ee

ee

ee

ee ee

ee

eee

49

8.

22.

Auto

Shut-off

Ass’y

(GO7)

2...

ee

eee

ee

ene

nent

nee

e

tenes

49

8.

23.

Pneumatic

Damper

Ass’y

(G08)...

1...

ee

ee

ete

een

e

ete

eens

49

8.

24.

RP-9E

Record/Playback

Head

Ass’y

(HO1)

2.1...

ee

ee

ee

tenes

50

Overall:

Timing

Cart

6.5

eater

cee

ciclo

sire

teria

ean

Bd

pa

we

ge

aig

ese

etewae

a

eked

ean

ar

ante.

4,

BORIS,

areal

eke

es

see

51

Eq.

Amp.

Frequency

Response

...

2...

0...

eee

ee

ee

eee

ee

eee

eee

eee

ee

ee

eee

52

10.

1.

Playback

Frequency

Response

........

0

eee

cece

ee

ee

ee

ee

ees

52

10.

2.

Record

Current

Frequency

Response

........

0...

cee

ee

eee

tenet

eet

ete

eee

52

Wiring

Diagrarti:

i

ieecise

sic

ohare

slot

ts

eat

acd

Be,

a

an

eh

rg

AA

eae

eh

ale

eae

BRU

BAe

Dace

ac

renug

et

ents

des

ty

53

Block

Diagrams...

ic.eica

Seed

Sean

he

Gad

wi

ieee

el

WS

Oo

a

Se

ah

CALE

EAE

wh

aaa

oe

aw

ala

we

Ce

ea

aM

55

42.0

“Le

CAMplifier

SOCtiON

ssc

5

Soe

ln

cee

ee

eae

he

erie

esate

ae

OIG

wae

as

bw

ace

We

RR

os

ORS

te

55

12.

2.

Mechanism

Control Section

1.0.0...

ee

eee

eee

tee

56

Schematic:

Diagrams

«iss:

a

ewe

Sats

ee

ere

edd

ee

sae

ee

LER

a

FB

sea

he

De

hae

dea,

Sar

teaere,

Berane

aS

57

13.

1.

IG

Block:

Diagrant

5.

sc

aa

fact

kok

dew

ae

er

ae

a

Pe

ee Fa

oe

Sw ae

a

a

ee

CO

57

13.

2.

Attention

to

Servicemen

1.0.0...

ce

ee

ee

ee

ee

ee

ee

ees

57

13.

3.

Mechanism

Control

Section

......

2...

02

cee

ee

ee

ee

eee

eee

eens

58

13.

4.

Amplifier

Section)

2

i.0:

6

oc

sae

ea

ON

oe

ha

ee

we

Sa

ae

ee

Be

ne

ee

wa

ae

ees

60

SPecificatiOnS:

-25::20say4i

odes

die

aad

wkend

Heed

re

aragle

Wee:

te

arate

eye

ele

ahd

vere,

eet

eee

de

ts

a

eet

dee

62

1.

GENERAL

1.1.

Control

Functions

The

Nakamichi

480Z

control

functions

are

shown

below:

OON

AARON

>

Power

Switch

Cassette

Lid

Eject

Button

Counter

Reset

Button

Tape

Counter

Input

Level

Controls

Peak

Level

Meters

Headphone

Jack

Bias

Tune

Control

1.2.

Voltage

Selector

Voltage

Selector

is

installed

on

the

rear

panel

for

Other

Version

of

the

Nakamichi

480Z.

This

voltage

selector

can

select

either

120

V

or

220-240

V

at

customer’s

disposal.

10.

11.

12.

13.

14,

15,

16.

17.

18.

Fig.

1.1

Front

View

Nakamichi

480Z

2

Head

Cassette

Deck

Fig.

1.2

Rear

View

Record

Button

Rewind

Button

Stop

Button

Play

Button

Fast-Forward

Button

Pause

Button

Tape

Memory

Switch

Tape

Selector

Switch

Dolby

NR

Switch

19.

20.

21.

22,

23.

24.

25.

26

Eq.

Switch

MPX

Filter

Switch

Input

Jacks

Headphone

Level

Switch

Output

Jacks

Remote

Control

Socket

Voltage

Selector

Switch

Power

Cord

2.

REMOVAL

PROCEDURES

2.1.

Cassette

Case

Cover

Ass’y

2.3.

Bottom

Cover

Ass’y

Refer

to

Fig.

2.1.

Refer

to

Fig.

2.1.

(1)

Press

the

Eject

Button

to

open

the

Cassette

Case

(1)

Remove

FO5,

then

disassemble

FO6

(Bottom

Cover

Ass’y.

Ass’y).

(2)

Pull

out

FO1

(Cassette

Case

Cover

Ass’y)

upwardly.

2.2.

Top

Cover

Ass’y

Refer

to

Fig.

2.1.

(1)

Remove

FO2

and

FO3,

then

disassemble

FO04

(Top

Cover

Ass’y).

FO

FO4

|_—_—F06

Fig.

2.1

2.4.

Front

Panel

Ass‘y

Refer

to

Fig.

2.2.

(1)

Refer

to

Fig.

2.1.

Remove

Top

Cover

Ass’y

and

Bottom

Cover

Ass’y

referring

to

items

2.2

and

2.3.

(2)

Pull

out

FO1

(Volume

Knobs)

and

FO2

(Bias

Tune

Volume

Knob).

(3)

Remove

FO3

(Power

Switch

Joint

Bar)

by

releasing

the

self-interlocking

pin

of

the

Power

Switch

Joint

Bar

from

Power

Switch,

and

turn

F03

(Power

Switch

Joint

Bar)

by

90°

either

clockwise

or

counterclock-

wise,

then

disassemble

FO3

(Power

Switch

Joint

Bar)

from

the

Power

Switch

Knob

Ass‘y.

(4)

Remove

FO4,

then

disassemble

FO5

(Front

Panel

Ass’y).

2.5.

Headphone

Jack

Ass’y

Refer

to

Fig.

2.2.

(1)

Remove

Front

Panel

Ass’y

referring

to

item

2.4.

(2)

Remove

F06,

then

disassemble

FO7

(Headphone

Jack

Ass‘y).

(3)

Remove

FO8

and

FO9,

then

disassemble

F10

(Bias

Tune

Volume

P.C.B.

Ass’y).

(4)

Remove

F11

and

Fi2,

then

disassemble

F13

(Head-

phone

Jack).

Fig.

2.2

2.6.

Mechanism

Assy

Refer

to

Fig.

2.2.

(1)

Remove

Front

Panel

Ass‘y

referring

to

item

2.4.

(2)

Remove

F14

and

F15,

then

disassemble

F16

(Mecha-

nism

Ass’‘y

including

5

connectors

and

Record

Switch

Linkage).

2.7.

Level

Indicator

Ass’y,

Lamp

P.C.B.

Ass’y

and

Indi-

cator

P.C.B.

Ass’y

Refer

to

Fig.

2.2.

(1)

Remove

Front

Panel

Ass’y

referring

to

item

2.4.

(2)

Remove

F17

(Level

indicator

Ass’y)

by

releasing

self-

interlocking

pins

of

Level

Indicator

Ass’y.

(3)

Remove

F18,

then

disassemble

F19

(Lamp

P.C.B.

Ass‘y).

(4)

Remove

F20,

then

disassemble

F21

(Shield

Case).

(5)

Remove

F22,

then

disassemble

F23

(Indicator

P.C.B.

Ass’y).

2.8.

Logic

P.C.B.

Ass’y,

Headphone

Switch

P.C.B.

Ass’y

and

MPX

Filter

Switch

P.C.B.

Ass’y

Refer

to

Fig,

2.3.

(1)

Refer

to

Fig.

2.1.

Remove

Top

Cover

Ass’y

referring

to

item

2.2,

(2)

Remove

FO1

and

FO2,

then

disassemble

FO3

(Logic

P.C.B.

Ass’y).

°

(3)

Remove

FO4,

then

disassemble

FOS

(Headphone

Switch

P.C.B.

Ass’y

and

Shield

Case).

(4)

Remove

FOG,

then

disassemble

FO7

(MPX

Filter

Switch

P.C.B.

Ass’y).

2.9.

Main

P.C.B.

Ass’y

Refer

to

Fig.

2.3.

(1)

Refer

to

Fig.

2.2.

Remove

Front

Panel

Ass’y,

Logic

P.C.B.

Ass’y

and

Headphone

Switch

P.C.B.

Ass’y

referring

to

items

2.4

and

2.8.

(2)

Remove

2

connectors

and

the

wires

connected

by

wrapping

from

the

F13

(Main

P.C.B.

Ass’y).

(3)

Remove

FO8,

FO9,

F10, F11,

F12

and

the

Record

Switch

Linkage

from

the

Wire

Holder

of

Record

Switch,

then

disassemble

F13

(Main

P.C.B.

Ass’y).

2.10.

Control

Switch

Holder

Ass’y

Refer

to

Fig.

2.3.

(1)

Refer

to

Fig.

2.2.

Remove

Level

Indicator

Ass’y

refer-

ring

to

item

2.7.

(2)

Remove

F14,

then

disassemble

F15

(Control

Switch

Holder

Ass’y).

2.11.

Switch

P.C.B.

Ass’y

Refer

to

Fig.

2.3.

(1)

Refer

to

Fig.

2.2,

Remove

Front

Panel

Ass’y

referring

to

item

2.4.

(2)

Remove

F16,

then

disassemble

F17

(Switch

P.C.B.

Ass’y).

2.12.

Volume

P.C.B.

Ass’y

and

Control

Switch

P.C.B.

Ass’y

Refer

to

Fig.

2.3.

(1)

Remove

Control

Switch

Holder

Ass’y

referring

to

item

2.10.

(2)

Remove

F18,

then

disassemble

F19

(Volume

P.C.B.

Ass’y).

(3)

Remove

F20,

then

disassemble

F21

(Control

Button

Spring).

(4)

Remove

F22

(Control

Button

Shaft),

then

disassem-

ble

F23

(Control

Buttons).

(5)

Remove

F24,

then

disassemble

F25

(Control

Switch

P.C.B.

Ass‘y).

FO3

Fig.

2.4

2.13.

Rear

Panel

Ass’y,

Power

Transformer

and

Power

Switch

Refer

to

Fig.

2.4.

(1)

Refer

to

Fig.

2.1.

Remove

Top

Cover

Ass’y

and

Bottom

Cover

Ass’y

referring

to

items

2.2

and

2.3.

(2)

Remove

FO1,

FO2

and

FOQ3,

then

disassemble

F04

(Rear

Panel

Ass’y).

(3)

Remove

FO5

and

FO6,

then

disassemble

FO7

(Power

Transformer).

(4)

Remove

Power

Switch

Joint

Bar

by

releasing

the

self-interlocking

pin

of

the

Power

Switch

Joint

Bar

from

Power

Switch

and

FO8,

then

disassemble

FO9

(Power

Switch

Holder

Ass’y).

(5)

Remove

F10,

then

disassemble

F11

(Power

Switch).

2.14.

Cassette

Case

Ass’y

and

Cover

Plate

Ass’y

Refer

to

Fig.

2.5.

(1)

Refer

to

Fig.

2.2.

Remove

Mechanism

Ass’y

referring

to

item

2.6.

(2)

Press

the

Eject

Button

to

open

the

Cassette

Case

Ass‘y.

(3)

Remove

FO1,

then

disassemble

the

piston

of

the

Pneumatic

Damper

Ass’y.

(4)

Remove

FO2

and

FO3

(Cassette

Case

Holder

L

Ass’y),

then

disassemble

F04

(Cassette

Case

Ass’y).

(5)

Remove

FO5,

then

disassemble

FO6

(Cover

Plate

Ass’y).

2.15.

Tape

Counter

Ass’y

Refer

to

Fig.

2.5.

(1)

Refer

to

Fig.

2.2.

Remove

Level

Indicator

Ass’y

referring

to

item

2.7.

(2)

Remove

F0O7,

then

disassemble

FO8

(Tape

Counter

Ass’y).

2.16.

Capstan

Motor

Ass’y

and

Flywheel

Ass’y

Refer

to

Fig.

2.6.

(1)

Refer

to

Fig.

2.2.

Remove

Mechanism

Ass’y

referring

to

item

2.6.

(2)

Remove

FO1

and

FO2,

then

disassemble

FO3

(Fly-

wheel

Holder

Ass’y)

and

F08

(Capstan

Belt).

(3)

Remove

F04,

then

disassemble

FO5

(Capstan

Motor

Ass‘y).

(4)

Remove

FOG,

then

disassemble

FO7

(Control

P.C.B.

Ass’y).

(5)

Remove

FO9

(Supply

Flywheel

Ass’y),

then

dis-

assemble

F10

(Take-up

Flywheel

Ass’y).

(6)

After

removing

both

Flywheel

Assemblies,

disassem-

ble

F11

(Thrust

Washer

3

mm),

F12

(Thrust

Washer

2.6

mm),

F13

(Flange

Thrust

Caps)

and

F14

(Flange

Thrust

Springs).

FO3

2.17.

Sub

Mechanism

Chassis

Ass’y

Refer

to

Fig.

2.7.

(1)

Refer

to

Fig,

2.6.

Remove

Fiywheel

Assemblies

refer-

ring

to

item

2.16.

(2)

Remove

FO1

and

FO2,

then

disassemble

FO3

(Sub

Mechanism

Chassis

Ass’y).

2.18.

Control

Motor

Ass’y

and

Reel

Motor

Ass’y

Refer

to

Fig.

2.7.

(1)

Remove

Sub

Mechanism

Chassis

Ass’y

referring

to

item

2.17.

(2}

Remove

F04,

then

disassemble

FO5

(Control

Motor

Ass‘y).

(3)

Remove

FOG,

then

disassemble

FO7

(Reel

Motor

Ass’y).

FO3<

2.19.

Cam

Control

Volume

Refer

to

Fig.

2.7.

(1)

Remove

Sub

Mechanism

Chassis

Ass’y

referring

to

item

2.17.

(2)

Remove

FO8,

then

disassemble

FO9

(Volume

Coup-

ler).

(3)

Remove

F10,

then

disassemble

F11

(Cam

Control

Volume).

2.20.

Reel

Hub

Ass’y

and

Idler

Ass’y

Refer

to

Fig.

2.7.

(1)

Remove

Sub

Mechanism

Chassis

Ass’y

referring

to

item

2.17.

(2)

Remove

F12

(Ree!

Hub

Heads),

then

disassemble

F13

(Reel

Hub

B

Assemblies),

F14

(Reel

Hub

Take-up

Fig.

2.7