Nakamichi TD-700 Manual de usuario

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2

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|

Nakamichi

Service

Manual

Nakamichi

TD-700

-TD-700E

TD-700D

—

Mobile

Tuner/Cassette

Deck

CONTENTS

10.

11.

12.

18.

General.

........

oie

daria

Stone

Raney

a

ba

tap

ratelet

a: eo

avapecalGhadeia’

>

Be

SeacatBp

ay

geet

esate

A

eee

Buys

Ba

orto

ale

Removal

Procedures

.........

ie

eonoe

teed

ahias

5

Slat

oi-asag

6

Deion

dtp

iacha

Ob

Seep

hone

te

Subhas

el

sv-opeua

Si

alesaNors.

Sree)

ener

ane

lh

2

1,

Top

and

Bottom

Covers.

afb

by

eta

ahah

at

ar

i

height

Mala

taey

Sal

Bleed

o>

a

Yea

ar

peel

wt

ons

sane

Suet

ecard

2.

2

Front

Panel

Ass’y

2.0.0.0...

eee

ee

een

e

Salary

avis

phar Bake

a

ilatseaneice

en

arcarmauabrate

Mare

haa

Gr

aear

aoe

2

3

Control

P.C.B,

Ass’y

and

Front

Chassis...

....0...2002

0-2.

aeees

eer

eee

pata?

ae

ive

ech

2

4.

Volume:

PCB.

Ass!

Y

85.6555

fo

asses

ie

eee

re

aaa

Wk

oa

in

oa

gan

nycbese

ope!

Site

ene

aitonnd

fare

veal

ace

eae

2, 6,

Tuner

P.C.B.

Ass’*¥

6...

pee

ee

eae

i

6.

robo

ny

¥

aeicet

aleve!

or

whet

ete

cre

Selatigt

agwaunea

eeaaed

'

2.

6.

Motor

P.C.B.

Ass’y

2.0.0...

ee

ee

eee

ee

Siabg

alate.

e:wlertyle

alee

eae

WANS,

Be

at

Wa

xed

dante

2.

7.

Amp.P,C.B,

Ass’y

....-..-.

ice

ere

Sw

aia,

of

paSeue

ofa

ese

ve

7

el

at

ay’osta

(ata

wipes

eslanetetar

ove

he

sehven

oi

aw)

eyes

2

8

Transport

Mechanism

Ass’y

.......0

0.0

cen

ccc

r

reenter

rare

be

hiatar

Seas

na

outa

Mahatats

.

Test

Tapes

and

Gauges..........2-++0-.

GLSME

Ey

Hepa

Ghat

oh

a

Hay

bee

re

fa

aaa

elena)

Giana)

Seo

o.Ne

eh

alee

there

«

Mechanical

Adjustments

oie

enws

F

Bids

cag:

aneueir’,

O)

wudie:

ones

erat

SiSrexenee

eee

oleate,

ene

ene

yaw

ee

i

a

ee

4.

1.

Tape

Speed

Adjustment

.

bey

eves

eid

Siete

ceeers

BE

G6

a

Scab

9

casera

Ri

gre

se

Wee)

eae

(e's!

Wgerd

na:

WNer

reed

ralan

eee

4,

2.

Tape

Guide

Height

Adjustment

..

0...

eee

ee

ew

tees

4. 3.

Playback

Head

Height

Adjustment

and

Azimuth

Alignment

a:

ip

eae

ev

akan

talaen

are

rida

bib

eta gle

de

4,

4.

Torque

Adjustment...

0...

ee

ee

ee

es

gai

SGilal

6

Orca

fe!

Chekiatyerete

GS

evares

a

we

eQare.

ate"

8,

asus

Parts

Location

for

Electrical

Adjustment

......0.0

00

see

cree

nee

e

re

aeee

+

Pee

eT ae

ar

eee

Electrical

Adjustment

.....00

2

ee

cee

ewer

ee

wee

Siphsc

esa

ghar

b

eyed

eane

yee

here

igh

erO

la

Gra

jalaaviahe

et

aieh

Oia

ace

6

1.

Cassette

Deck

Section

../......

Sa

eee

aaa

e

la

a

Nora

tw

del

ds

a

Sod ade

ahs

lao

1ehe

Sabet

Oho: oe

Gea

athe

ts

O18

6. 2.

Tuner

Section

(FM

Adjustment)

.

0.0...

cc

bee

ee

ee

te

ee

eee

eee

Mechanism

Ass’y

and

Parts

List

,......00

00

ese

eer

eee

eae

Ob!

See

laCesile

BOSD

bie:

Sele.

oS

wie

Bree

eta

tar

an’

7.

1.

Synthesis:

6-5

.0666

G5

bs

&

Be

eis

wo Ws

Gee

Steen

Rotate:

Wah

Teal

otahatae,

erae

alana

te

nas

ane

diate

bite

tale

Nee

ds

Front

Panel

Ass’y

(A01)

......

wr

lle

“Rta

her

0

BIG

E

eet

BAe

Sie

reycelia,

6

atiee

Pea

SORES

ere

FAR

ee

ote

7.

3,

Transport

Mechanism

Ass’y

(A02)

.

a

abe

Quake

alain,

b

Svepwie

ih

widow

ce

eoiama

sjarddermacee,

3

sia

hak

ca

ana

7. A,

Azimuth

Controller

Ass’y

(B01)

..........--

etal

tat

taslaya)

‘ay

seetibvas

gal

betas)

Wer

eta

ovaneiere

ly

adh

Miah

%

he Be

Side

Chassis

Ass’y

(B02)

20.

cc

ee

ee

eee

tee

tee

eeipstadl

cas

dha

abuts

7.

6.

Cassette

Holder

Ass’y

(B03)

......-...4-.

sian

as

Ws

wy

Teena

aie!

wa

ree

as

eae

ha

Ue

caviar

ea

ei

oh

Spear

enone

40

7. 7.

Transport

Mechanism

Sub

Ass’y

(B04)

.

2.

eer

eee

eee res

7.

8.

Loading

Mechanism

Ass’y

(BO5)

20.

ce

ee

et

eee

teens

elude

oris

woe

7

9.

Head

Slider

Ass’y

(CO1}.

0...

0

ce

eee

eee

PERL

A

Ne

See

a

ROL

Te

Ce

7.

10.

Master

Plate

Ass’y

(CO2)

....-....--,

ping

aPiiy-ds

go

can

aSeiye

we

eyren

ay

ave.

“oleae

dices

ile:

pen

ehie

Feane

sass

‘

7.

1d

Reel

Mechanism

Ass’y

(C03)...

eee

eee

eee

eukious

pga

face

a

fonce

yo

ate

ieap

day

eese

7.

12.

Solenoid

Plate

Ass’y

(DO1).........-.---

ai

Aba

soca

beavis,

6

Sry!

wi

ral

ye

fo

o>

well

wi

a

LO

erat

ee

eet

&

F

7.

138.

Loading

Arm

Ass’y

(D02)

......-.-

aco

gh

are

tice

waite

eye

pieien

Col

atwiaiiet

antesie

ara

ere

ee

myn

7.

14,

Pegrengraray

aren

iOS.

alhalcaiatien

eae

te

RS

ee

ee

re

an

eee

ee

ee

ee

7,

15,

FF

Arm

Ass’y

(E01)

.

oe

Prete

ea

ries

Seales

eho

NG

We

Oh

oP

oi

aR

ORO

a

Or

Oy

oleae

arene

RaLeN

Ee,

Woe

ta

Geet

©

7.

16.

Rewind

Arm

Ass’y

(E02)

Sees

o8

bs

nbn

CaS.

hstas

eneornsces

of

Rea

R

ot

es

ae

eta uhe

Sd

arid

Sad

guard

whe

cave

i

eta

eee

Mounting

Diagrams

and

Parts

List

.......-.-.0-00-

Bila

ie

dod

gee

e

ane

Ie

e.

ohe

oni

eae

eter

‘

trace

8.

1.

Line

Filter

P.C.B.

Ass’y

......---

Sis,

fe

sala

dee

oe

aul

toe

¥i/eo

8s

eevee

by

8

eee

Oil

iB

harg

ae

Ba

pereyereherarane

8;

‘2;

Transistor

P.C.B.

Ass’y

2.

ec

ee

we

te

ee

ee

eee

perience

Lo

reas

tet

cl

teulet

a?

iveersen

st

ave

lavas

8

«3,

Shut-off

P.C.B,

Assy...

ce

ee

ee

ens

We

tS

Rr

Eras

Hae

eo

era

elatey

ener

eee

eNe,

eRe

ea

8

4.

Lamp

P.C;B,

Ass’y

.....2.

2.2

eee

cree

eee

ds

ata

to

Pel

oies,

Soviets!

a9

tal

te

Novia,

er

athe

ca

Manis

Cote

&

wierd

ee

eoe

8

5.

Solenoid

P.C,B.

Ass’y

.......055055%

iavetene!

ete

ar

sele™bl

ate

oO

ecg ayn

as

tatas

ee

aioe

etas

Ros

ae

Ge

braereclaree

&

6.

Buffer

Amp.

P.C.B,

Ass’y

.......---

a

Gag)

Dla

a

teat

cecerarts,

Ok

Bye

Lb

heuet

abies,

lace

Sia

eacieta

ca

Uits

pe

tcstis

8.

7.

Control

P.C.B,

Ass’y

...........-

bois

oN

ete

law

widbeie

u

dS

beso

ts

piiphaninanlewacararerecare

faragheetehe,

Beach

&

8.

Volume

P.C.B.

Ass’y

.....-

a

ieaie

adc

eiére,

ao

ehes

oe

Bowe

bela

es

Weds

SE

wie

CHOW

Ne

A

eels

OR

ee

ee

8.

9%.

Tone

Volume

P.C,B,

Ass’y

........-

pheadte

aces

aya

Yadav

aan

save

Laxeciel

pvehay

aie

ts

hcetasbyenattal

sc

aleteaierin’

8,

10.

Motor

P.C.B,

Ass’y

2...

2.22.0

eee

‘gb

a

latae

ate,

Se

8

ole

i

ut

eoirgtts

tana

aulan

Sasivn

fe

lance

Sosaveanat

ea:

anensh

8.

11.

Tuner

P.C,B,

Assy

......-006s

gp

atparRTods'a

av

eicas

kaa

Teepe

fey

seh

ay

tere

pE

Tne

cat

Buses

Yal

a

ee

deny

aires

tOiral

“Quail

wap

lane

bib

8.

12.

Amp.

P.C.B.

Ass’y

.

00.

tcc

er

ee

eee

j:

iGiah

gr

aie

tar

aie

vbuvky

Srv

eieadan

Swen)

Bia!

ae

ple

heer

eee

8.

138.

Logie

P.C.B,

Ass’y

.....-4-000.

rte

tata

arene

aS

cee

ato

sat

ok

Pd

ata

iste.

atuenat{e

evar

ene’

tole.

i8

be

a

Soe

ae

Schematic

Diagrams

.....

ids

ohare

eto

ehoce

WYenee

Sh

aawe

ax@aeterear

Sey

age

hidievastie

sevenan

sh

seats

A

ae

are

’

9,

1.

IC

Block

Diagrams

sb

ania

65s

ebepasecw

te

eee

anehenete,

pbb

an

ee@

bo

wet

ata

watched

ene

teeta

ay

aariabalen

rere

9,

2,

Schematic

Diagrams

.........

+

ecb

la

enh

oS

bee

BisiareS

faster

iieBcdbver

ih

any

ain

ohanbats

te

cats

Pas

Wiring

Diagrams

..,..,...-.-.-

Stella

Ue

raNet

wie:

6

putin

ater

orien

Bi

esa

ie

ay

at

p

Satan

a

eh

S

acd

conane

tere

Ve.

Se

as

eye

eee

Aa

Timing

Chart

.........--+.---

i

tas

ab

at

areigcawa

eats

Davetateks

pus

sae

taca

Mave

eile!

Zap

toprdaSe

"St

atta

ote

re

bb.

besarte

Block

Diagrams

..........-

Savoie

eabsehe

Sis

otek

dan

aria

peta

Jay

ns

Sieh

eiOce

ws

tebeny

erate

caterer

‘

Riad

ay

nike

aya

12.

1.

Tuner

and

Amplifier

Section

Scnsele

ote

Kies

ata

lemakarevia

Gea

lelese

<b

Ghee

Ste

eet

inate

Mar’

ah

alee

gia>anels

oye

125.

2.

Mechanism

Control

Section

....,.....2.0--500-

po

ies

Tah

cab lat

as

Sticteeree

Silat

ah

gee)

wives

eo

haste

Methane

Specifications

.........--5-

iia

eNaferes

evel

ene

Sicaehana:

ioral

(eid

yoecbl

el

epefimistene

se

ig

Ria

eeala

ta

fe

tara

ee,

ea,

asad

a

“op:

i.

GENERAL

1.1.

Packing

Materials,

Owner’s

Manual

and

Auxiliary

Parts

"Part

No,

OF

038454

OF

048634

OF

038364

OF

038224

OF

038234

OFO0S827A

OFO3835A

OF

O38aLA

OF

O3832A

0D04479A

0D04480A,

0D04482A4

0D044814

0B90003A

0B90042A

OBS1267E

0B81271E

OD04207A

0B80067B

01048724

0H04459A4

0J04879A

0J04880A

HAO46654

Description

Outer

Carton

TD-700

Outer

Carton

TD-700E

Outer

Caxton

TD-700D

:

Inner

Carton

TD-700

(U,S.A,}

: : :

Inner

Carton

TD-700

(Canada,

Australia,

Others

&

Japan)

Inner

Carton

TD-700E

Inner

Carton

TD-700D

Packing

_

Sleeve

. :

Owner's

Manual

FD-760/TD-500

(Japanese)

Owner's

Manual

TD-700/TD-500

(Lnelish)

Owner's

Manual

TD-700/TD-500,

TD-700E/TD-500E

&

TD-700D/TD-500D

(English/German/French)

-

French

Text

TD-700/TD-500

(Canada)

Fuse

6,54

Fuse

10A

4P

Termina!

TD-700

&

TD-700E

4P

Terminal

TD-700D

Metal

Stay

(except

Japan)

Ground

Wire

(except

Japan)

U-shaped

Grip

(except

Japan)

Trim

Pane}

Rim

(except

Japan)

Sleeve

Spacer

A

(thin

type)

(except

Japan)

Sleeve

Spacer

B

(thick

type)

(except

Japan)

Mobile

Traffic

Information

Processor

TD-700

1.2.

Note

on

Operation

if

the

Rewind

button

is

pressed

before

the

cassette

tape

loading

process

is

corapleted,

unexpected

action

may

occur

depending

on

the

condition

of

the

Mobile

Tuner/Cassette

Deck.

The

cassette

tape

may

be

ejected

or

played

back

unwillingly.

ie

oe

Neg

tet

et

ND

be

et

et

tt

et

et

eS

Oe

et

et et

eter

2.

2.1.

REMOVAL

PROCEDURES

Tap

and

Bottom

Covers

Refer

to

Fig,

2.1.

“@

@)

(3)

2.2,

Remove

FO1

(Mounting

Sleeve).

Loosen

serews

FO2

(1

pce.)

and

F038

(2

pes.)

and

remove

FO4

(Top

Cover),

Loosen

serews

FO5

(1

pee.)

and

F06

(3

pes.)

and

remove

FO7

{Bottom

Cover),

Front

Panel

Ass*y

Refer

to

Fig,

2.2,

(b

(2)

(3)

2.3,

Remove

the

Top

and

Bottom

Covers

referring

to

item

2.1.

Loosen

FO1

and

pull

out

knobs

F02,

FO63

and

F04,

Loosen

FO5

and

remove

FOG

(Front

Panel

Ass’y

including

Cleaning

Flap

Ass’y).

.

Control

?.C.B.

Ass’y

and

Front

Chassis

Refer

to

Fig,

2.2,

(wb

(2)

(3)

(4)

(3)

2.4,

Remove

the

Front

Panel

Ass’y

referring

to

item

2,2,

Loosen

F07

and

remove

F08

(Control

?.C.B.

Ass’y).

Loosen

FO09

and

F10

and

remove

F1i, F12,

F1a

and

F14,

Insert

a

smail

flat-blade

screwdriver

into

the

holes

in

the

Main

Chassis

as

shown

in

the

figure

and

lift

the

upper

part

of.

the

eonnector

to

unlock

the

flexible

P.C.B.

of

the

LCD

Ass’y.

Disconnect

connectors

A

and

B

and

disassemble

F15

(Front

Chassis

including

LCD

Ass’y,

ete.}.

Volume

P.C.B.

Ass’y

Refer

to

Fig.

2.2.

q1)

(2)

Remove

the

Front

Chassis

referring

to

item

2,4,

Loosen

F16

and

disassemble

F17

and

F18

(Volume

P.C.B.

Ass’y},

Fig.

2,2

Flexible

RC.B.

(‘s

“Toe

2.5,

Tuner

P.C.B.

Ass’y

Refer

to

Fig,

2.3.

(1)

Remove

the

Top

and

Botiom

Covers

referring

to

item

2.1.

(2)

Loosen

FO1,

disconnect

connectors

A

and

B,

and

remove

FO2

(Funer

P.C.B,

Ass’y)

and

F03.

2.6,

Motor

P.C.B.

Ass*y

Refer

to

Fig,

2.3.

(1)

Remove

the

Top

and

Bottom

Covers

referring

to

item

2.1,

(2)

Loosen

FO4

and

disconnect

connectors

C,

D,

E

and

F.

{3}

Remove

¥05

(Motor

P.C.B.

Insulator)

and

FO6

(Motor

P.C.B,

Ass’y)}.

2.7,

Amp.

P.C.B.

Ass’y

Refer

to

Fig. 2.3,

qt)

(2)

(3)

(4)

Remove

the

Top

and

Bottom

Covers

referring

to

item

2.1.

Remove

the

Tuner

P.C.B.

Ass’y

and

Motor

P.C.B,

Ass’y

referring

to

items

2.6

and

2.6,

Loosen

FO7

and

disconnect

connector

G,

Lift

FO8

(Amp.

P.C.B,

Ass’y),

disconnect

connectors

H,

I

and

J,

and

remove

FO8

(Amp,

P.C.B.

Ass’y).

2.8.

Transport

Mechanism

Assy

Refer

to

Fig,

2.4,

(1)

Remove

the

Front

Chassis

an@

the

Volume

P.C.B.

Ass’y

referring

to

items

2.8

and

2,4,

é

(2)

Loosen

FO1,

remove

FO2,

and

lift

F03

(Motor

P.C.B.

Ass’y).

(3)

Disconnect

connectors

A,

B,C

and

D..

: ;

(4)

Pull

out

FO4

(Amp,

?,C.B,

Ass’y)

and

disconnect

connector

E,

(5)

Loosen

FOQ5,

lift

FO6

(Transport

Mechanism

Ass’y

and

Motor

P.C.B,

Ass’y),

and

disconnect

connector

F

to

separate

F06,

.

Fig.

2.3

en

rr

3,

Q)

(2)

(3)

(4)

(5)

(6)

re)

4,

TEST

TAPES

AND

GAUGES

1

kHz

Track

Alignment

Tape

(DA09007B)

15

kHz

Azimuth

Tape

(DA09004B)

400

Hz

Level

Tape

(DA09005B)

3

kHz

Speed

&

Wow/Flutter

Tape

(DA09006C)

Torque

Gauge

for

Forward

Playback

(DAO9082A)

Torque

Gauge

for

F.F.

&

REW

(DA09084A)

Head

Alignment

Gauge

(DAG9092A)}

MECHANICAL

ADJUSTMENTS

Note:

Before

adjustment,

remove

the

Top

and

4.1,

Bottom

Covers

referring

to

item

2.1.

Tape

Speed

Adjustment

Refer

to

Fig,

4,1,

qd)

(2)

(3)

AQ,

(1)

Connect

a

frequency

counter

to

Output

Jack,

Load

a

3

kHz

Speed

&

Wow/Fiutter

Tape

and

play

it

back,

Adjust

the

potentiometer

incorporated

in

the

Main

Motor

Ass’y

to

obtain

a

3

KHz

reading

on

the

frequency

counter,

Tape

Guide

Height

Adjustment

For

Serial

Nos.:

C60502839

-

(TD700

&

TD-700E)

and

C60701201

-(TD-700D)

Note:

Remove

the

Cleaning

Flap

before

leading

the

Head

Alignment

Gauge.

When

ejecting

the

Head

Alignment

Gauge

pay

attention

so

as

not

to

strike

against

the

Tape

Slot

Cover,

Refex

to

Fig. 4.2.

(@)

(b)

{c)

{@)

{2)

Tin

the

Azimuth

Fine

Tuning

Control

fully

clockwise

and

then

return

it

by

15

clicks

to

set

it

to

the

center

position,

Load

a

base

of

the

Head

Alignment

Gauge

carefully

and

set

the

Mobile

Tuner/Cassette

Deck

in

Play

mode,

Place

a

smalt

block

of

the

Head

Alignment

Gauge

on

the

base,

Side

the

small

block

against

the

Supply

Tape

Guide,

and

adjust

the

Tape

Guide

Height

Adjustment

Screw

so

that

the

small

block

is

accepted

by

the

Supply

Tape

Guide.

For

Serial

Nos.:

C60501001

-

02838

(TD-700

&

TD-700E)

and

C60701001

-

01200

(TD-700D)

Refer

to

Fig,

4,3,

(a)

(b)

{e)

(4)

Set

the

Azimuth

Fine

Tuning

Control

fully

clockwise

and

then

return

it

by

15

clicks

to

set

it

to

the

center

position,

Connect

a

VTVM

to

the

Output

Jacks,

Load

a1

kHz

Track

Alignment

Tape

and

play

it

back.

Turn

the

Tape

Guide

Height

Adjustment

Screw

to

obtain

minimum

readings

on

the

VTVM

for

both

channels.

Decrease

¢

,

increase

Tape

Guide

Height

Adjustment

Screw

Fig,

4,2

;

Serial

No,:

C60602839

-

{TD-700

&

TD-700E)

60701201

-

(TD-706D)

Tape

Guide

Height

Adjustment

Screw

Fig.

4.8

Serial

'Nos.:

C60501001

-

02838

(TD-700

&

TD-700E)

©60701001

-

01200

(TD-700D)

4,3,

Playback

Head

Height

Adjustment

and

Azimuth

Alignment

(1)

For

Serial

Nos.:

C60502839

-

(TD-700

&

TD-700E)

and

C60701201

-

(TD-700D)

Refer

to

Fig,

4.4.

.

{2)

Connect

a

VTVM

to

the

Output

Jacks.

(b)

Set the

Azimuth

Fine

Tuning

Control

to

the

center

position

referring

to

4,2.-(1)-(a),

«c)

Load

a1

kHz

Track

Alignment

Tape

and

play

it

back,

(4)

Turn

the

Playback

Head

Height

Adjustment

Screw

to

obtain

minimum

readings

on

the

VT'VM

for

both

channels,

(e}

Load

a

15

kHz

Azimuth

Alignment

Tape

and

play

it

back.

(f)

Turn

the

Azimuth

Alignment

Screw

to

obtain

maximum

readings

on

the

VTVM

for

both

channels.

.

(g)

Repeat

above

steps

(c)

through

(f)

one

or

two

times

to

obtain

optimum

performance,

;

(2)

For

Serial

Nos.:

C60501001

-

02838

(TD-700

&

TD-700E)

and

C60701061

-

01200

(TD-700D)

Refer

to

Fig,

4,5,

{a}

Connect

a

VT

VM

to

the

Output

Jacks,

(6)

Load

a

15

kHz

Azimuth

Alignment

Tape

and

play

it

back,

«c}

Turn

the

Azimuth

Alignment

Screw

to

obtain

maximum

readings

on

the

VTVM

for

both

channels.

Note:

Playback

Head

Height

Adjustment

Screw

is

not

provided

in

these

Madeis,

4,4,

Torque

Adjustment

Refer

to

Fig,

4,6,

{1}

Load

a

Torque

Gauge

for

Forward

Playback.

(2)

Set

the

Mobile

Tuner/Cassette

Deck

in

Play

mode,

{3)

Check

whether

the

playback

torque

and

back

tension

torque

on

the

Gauge

are

as

follows:

Playback

torque:

35

g-com

—6

to

+10

g-em

Back

tension

torque:

10

g-em

+4

g-em

(4)

1f

the

playback

torque

is

out

of

the

above

range,

turn

the

Playback

Toraue

Adjustment

Screw

with

a

small

flat-blede

screwdriver

to

obtain

a

satisfactory

result,

(5)

Set

the

Mobile

Tuner/Cassette

Deck

in

Stop

mode

and

then

load

a

Torque

Gauge

for

FF.

&

REW.

(6)

Set

the

Mobile

Tuner/Cassette

Deek

in

F.F.

or

Rewind

mode

and

check

that

the

torque

is

in

the

range

shown

below:

¥F.F,/Rewind

torque:

60

g-om

—10

to

+40

g-om

(50

to

100

g-em)}

Fig.

4,4

Seriai

No.:

C605028a9

-

(TD-700

&

TD-700E)}

C60701201

-

(TD-700D)

Fig,

4,5

Serial

Nos,:

C60501001

-

02838

(TD-700

&

TD-700E)

C60701001

-

01200

(TD-700D)

Decrease

C

Increase

(Bottom

View)

Fig.

4.6

Playback

Torque

djstment

Screw

5.

PARTS

LOCATION

FOR

ELECTRICAL

ADJUSTMENT

:

Amp.

PC.B.

Assy

a2

SS

yy

SS

Tuner

PC.B.

Assy

=1_-“vR302—_MPX

Decoder

4]

bi

al

Stereo

Separation

L303

7%.

o

2h

ety

Pa

?

ae

L302

Sy

YR303

——

Piiot

Signal

Cancellation

.

“

De

“

TP4

Fig.

5

6.

ELECTRICAL

ADJUSTMENTS

6.1,

Cassette

Deck

Section

:

Note:

Electrical

adjustment

should

be

performed

after

mechanical

adjustment

is

completed,

Volume

—

Max.

Fader,

Balance

-

Center

Bass,

Mid,

Tre-

ble

-

Center

Set the

Mobile

Tuner/Cassette

Deck

to

the

initial

mode

(see

MODE).

Preliminary

'

Playback

Load

a

400

Hz

level

tape

and

play

it

Level

back.

,

Adjustment

—

Adjust

VRiO1

(VR201)

to

obtain

350

my

on

the

VTVM,

:

Dummy

Antenna

IHF

Bond

Pass

Filter

200-15KHz

Distortion

Meter

Fig,

6

Connection

Diagram

for

FM

Adjustment

6.2,

Tuner

Section

(FM

Adjustment)

:

Note:

Adjustment

should

be

made

in

a

shielded

room

in

principle.

STEP

gpl

coanncri

on

1

|Preliminary|See

Fig.

:

IFT

Adjustment

MPX

Decoder

Adjustment

Discrimi-

nator

Adjustment

Frequency

Counter

to

TP3

on

Tuner

F,G.B,

DC

Millivolt-

meter

between

TP]

and

TPZ

on

Tuner

P.C.B.

Mobile

Tuner/

Cassette

Deck

Dolby

NR

-

OFF

Band

Selector

.

-

FM

Volume

-

Max.

Fader,

Balance

-

Center

Bass,

Mid,

Treble

-

Center

FM

Generator

Frequency

—

98

MHz

RF

Level

-

65

dBf

Medulation

Signal

~

1

kHz

(Srereo/

Mono)

Modulation

Ratio

-

(See

REMARKS

)

Mobile

Tuner/

Cassette

Deck

Same

as

above

FM

Generator

Frequency

—

98

MHz

RF

Level

~-

65

apf

Modulation

-

Mono

Mobile

Tuner/

Cassette

Deck

Same

as

above

FM

Generator

Frequency

~

98

MHz

RF

Level

-

0

dBE

Modulation

-

Mone

Front-end

IFT

Coil

L301

Tuner

P.C.B,

VR302

Mobile

Tuner/

Cassette

Deck

Same

as

above

FM

Generator

Frequency

~

98

MHz

RF

Level

-

65

dBft

Modulation

-

Mono

Tuner

P.c.B,.

L302

,L303

REMARKS

.

Connect

necessary

instruments

to

the

Mobile

Tuner/CGassette

Deck

referring

to

connection

diagram

(Fig.

6).

2.

Set

the

Mobile

Tuner/Cassette

Deck

to

the

initial

mode

(see

MODE).

Modulation

Ratio:

stereo

TD-700

(U.S.A,

&

Canada):

-

‘Audio

1

kHz

90%,

Pilot

19

kHz

104%

TD-700

(Australia

&

Others),

TD-700E

&

TD-700D:

Audio

1

kHz

50%,

Pilot

19

kHz

10%

Mono

TD~700

(U.S,4.

&

Ganada);

Audio

1

kHz

1002

TD-700

(Australia

&

Others),

TR-7OOD:

Audio

1

kHz

60%

TD-700E

&

With

decreasing

the

RF

level

gradually

from

65

4Bf

to

30

dBi,

adjust

IFT

coil

L301

to

obtain

minimum

distortion,

(Do

not

turn

other

components

on

the

Front-end.)

1.

Cut

the

RF

signal

applied

to

the

Mobile

Tuner/Cassette

Deck.

.

2.

Adjust

VR302

to

obtain

76

kHz

+1

kHz

-

frequency

counter.

on

the

1.

Turn

L302

(black

core)

to

obtain

+50

mY

on

the

DC

millivoltmeter,

2.

Turn

L303

(white

core)

to

obtain

minimum

distortion

on

the

distortion

meter,

3.

Repeat

above

2?

and

3

two

or

three

times,

__|

a

Signal

Cancel-

lation

Adjustment

Stereo

Separation

Offset

Voltage

Check

on

Ic301

De

Millivolt-

meter

across

1¢301-14

and

GND

on

Tuner

P.C.B.

Mobile

Tuner/

Cassette

Deck

Same

as

above

FM

Generator

Frequency

—

98

MHz

RF

Level

-

:

65

dBt

Modulation

~

Sterea

Mobile

Tuner/

Cassette

Deck

Same

as

above

FM

Generator

Frequency

~-

98

MHz

RF

Level

-

65

dBf

Modulation

-

Stereo

Mobile

Tuner/

Cassette

Deck

Same

as

above

FM

Generator

Frequency

—-

98

MHz

RF

Level

~

65

dBft

Modulation

~

Mono

Tuner

P.C.B.

VR303

Tuner

P.C.B.

VR301

1.

Set

the

modulation

of

the

FM

Generator

as

follows:

|

o

Cut

audio

signal

1

kHz

o

Apply

only

pilot

19

kHz

102

Adjust

VR303

to

obtain

minimum

readings”

on

the

VIVM

for

both

channels.

The

nlinimum

reading

should

be

less

than

~40

da.

Cut

the

1

kHz

modulation

of

R

channel

of

thé

stereo

modulator,

Namely,

apply

1

kHz

signal

only

to

L

channel,

Adjust

VR301

to

obtain

minimum

reading

for

R

channel

on

the

VIVM.

.

Apply

1

kHz

signal

only

to

R

channel,

Adjust

VR301

to

obrain

minimum

reading

for

I

channel

on

the

VTVYM.

Check

whether

the

readings

in

2

and

4

are

less

than

-30

dB.

If

not,

repeat

1

through

4

till

satis-

factory

results

are

obtained.

Note:

This

check

will

be

required

only

if

IF.

Amp.

10301

(LA1140)

on

the

Tuner

P.C.B.

Ass'y

is

replaced

with

new

one.

At

that

time,

conduct

Step

3

(adjustment

of

L302

and

L303

on

Tutier

P.C.B.)

and

then

check

the

following:

Set

the

modulation

signal

of

FM

gener-

ator

to

]

kHz

(Mono),

Check

whether

the

reading

on

the

DC

millivoltmeter

is

less

than

5

mV,

If

not,

replace

with

another

LAL140

and

repeat

above

|

and

2

after

re~adjustment

of

Step

3.

4.

MECHANISM

ASS’Y

AND

PARTS

LIST

71,

Synthesis

aS.

(A02)

Fig.

7.1

: