Kenwood TS-770 Manuale utente

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2

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NF

KENWOOD

SERVICE

MANUAL

Model

TS-770

V-UHF

ALL

MODE

DUO

BANDER

CONTENTS

/

FEATURES

FEATURES

......

CIRCUIT

DESCRIPTION

...

z

see

8

SEMICONDUCTOR/FILTER

DATA

.

ee

AS:

OPTION(BU-1)..

16

OUTSIDE

VIEWS

7

PACKING

19

PARTS

LIST

sacssesssseessneeeseeee

20

BLOCK

DIAGRAM

.....ccsseessee

sbxssiikistbadied

A

PC

BOARD

VIEWS...

FEATURES

144/430

MHz,

all

mode

(FM,

SSB

(USB.

LSB),

CW)

transceiver.

Microprocessor

controlled

VFO

and

full

variety

of

aux-

iary

functions.

FM

circuitry

based

on

KENWOOD’s

advanced

technology

and

outstanding

SSB

quality

Built-in

VOX

Built-in

side

tone

and

CW

circuitry

capable

of

semi-

break-in

operation.

Easy-to-operate

1

band,

1

MHz

VFO

stops

at

999.98

kHz

or

is

continuously

adjustable

(endless

system).

Built-in

digital

display

that

indicates

operating

frequency

in

all

modes.

Digital

display

equipped

with

easy-to-read

green

phosphor

tubes.

7-digit

digital

display

that

directly

reads

down

to

100

Hz

Frequency

indicator

that

reads

out

carrier

positions

when

mode

of

operation

is

changed.

Indicates

fixed

channel

(stores

any

given

frequency)

and

call

channel

frequencies,

besides

VFO

A

and

B

frequen-

cies

Digital

display

indicates

which

VFO

(A

or

B)

is

in

use,

fix-

ed

channel

numbers

(1

through

8).

The

use

of

display

select

circuit

turns

off

the

100

Hz

digits

in

FM

mode.

Dependable

electrical

and

mechanical

functions.

VFO

frequencies

are

switchable

in

2

speeds.

SLOW

(in

20

Hz

steps)

and

FAST

(in

200

Hz

steps).

VFO

knob

equipped

with

variable

torque

mechanism.

Pushbutton

band

select

switches

(UP

and

DOWN)

that

shift

up

and

shift

down

frequency

between

144

MHz

and

440

MHz

in

12

bands

at

1

MHz

intervals.

Wide

band

design

for

both

transmitter

and

receiver

that

eliminates

the

need

for

tuning

the

RF

circuits.

DISASSEMBLY.

TROUBLE

SHOOTING

ADJUSTMENTS.

sheeted

beaters

oe

LEVEL

DIAGRAM...

sauscsioneoas

siosieseu

1G

CIRCUIT

DIAGRAM...

sea

ctive

aee

e

-.

80

REFERENCE

DATA

ee

ae

84

MEMO.........

tte

cones

86

SPECIFICATIONG.........

i

89

'®

Panel

layout

based

on

human

engineering.

‘©

Full

variety

of

indicating

functions

to

check

operating

conditions

(Pilot

lamps:

ON

AIR,

Hi/LOW

(FM

transmit),

F-LOCK,

RIT.

SLOW/FAST,

Back-up

power

ON/OFF).

©

Amplified

type

AGC

and

ALC

circuits

that

maintain

receive

and

transmit

outputs

at

constant

level

without

distortion.

4.

A

multitude

of

auxiliary

functions

for

more

enjoyable

operation

‘©

The

use

of

RAM

memory

system

microprocessor

enables

any

given

frequencies

to

be

stored

in

or

cleared

from

fix-

ed

channels

(8

CH).

@

Built-in

back-up

power

circuit

to

keep

data

stored

at

all

in

scan

and

search

circuits.

©

RIT

circuit

functions

on

VFO,

fixed

channels

and

call

channel.

©

Adoption

of

frequency

lock

circuit.

@

KENWOOD's

unique

noise

blanker

(NB)

circuit

to

eliminate

pulse

type

noise.

‘©

Equipped

with

two

meters,

one

is

an

"S”

meter

(with

RF/ALC

selector)

and

the

other

is

a

center

meter

for

use

on

FM.

©

RF

power

HIGH/LOW

selecting

function

provides

con-

venience

in

transmission

with

local

stations.

Auxiliary

(AUX)

socket.

Designed

for

fixed

and

mobile

station

services.

AC/DC

2-way

power

operation.

Equipped

with

a

grip

for

carrying

convenience

Sufficient

AF

output

power

(2.5W/40).

Built-in

large

sized

speaker

(7.5

cm).

connecting

jack.

eocon

External

speaker

CIRCUIT.

DESCRIPTION

GENERAL

This

unit

is

a

high

class

home

transceiver

having

All

Mode

VHF

(2

ml

UHF

(70

cm)

Bands

designed

for

amateur

radio

stations

8y

microcomputer

control.

it

covers

the

amateur

bands

of

144

MHz

~

146

MHz.

430

MHz

~

440

MHz.

The

modes

of

the

radio

waves

are

A,.

As),

and

Fs,

FREQUENCY

CONFIGURATION

The

unit

consists

of

frequency

composition

shown

in

Fig.

1

tn

Table

1.

the

oscillating

frequencies

of

each

osciltaung

cir

cuit

are

shown

Table

1.

Oscillator

frequency

of

each

oscillator

circuit

Une

Mode/Freaveney

|

Oscilator

Feaveney

CAR

amt

us8.cW-R

|

Bea1SMie

use

8.8285

Mie

f

8.830

MHz

owt

8.8307

Mis

‘Fun

sé.

iS8.cw

|

30430Mne

Furie

430MM

band

|

15.8888

x

18

ne

(vax

unin

16.1666

18

MHz

1F

nie

Fu

Tx

[emi

RE

unt

eM

AX

22.055

Me

v6O

uni

‘Ail

mod

1224

~

1274Mie

RE

unit

(X44-1270-00)

From

VCO

unit

vee

vera

Wath

the

exception

of

FM

ransmission,

all

modes

adopt

the

double

conbersion

system

9

SSB

or

CW

transmit

mode,

the

CAR

oscillator

frequency

{8

83

MHz)

1s

modulated

by

audio

signal

to

obtain

883

MHz

in

the

1st

IF

This signal

1s

mixed

with

30.43

MH2

to

obtain

21.6

MHz

wn

the

2nd

IF

In

FM

transmit

mode,

the

21.6

MHz

crystal

oscillator

circurt

1

the

IF

uni

is

directly

modulated

The

122.4

MHz

band

of

VCO

is

mixed

with

the

21.6

MHz

of

the

2nd

IF

to

obtain

3

144

MHz

band

heterodyne

signal

which

is

fed

to

the

final

unit,

The

430

MHz

band

heterodyne

signal

1s

mixed

with

the

286

MHz

(or

291

MHz)

band,

15.8888

MHz

(or

16.1666

MHz)

local

oscillator

frequency

multiplied

by

18.

and

the

VCO

frequency

of

122

4-127

4

MHz

to

obtain

2

heterodyne

signal

of

408.4-418.4

MHz

This

signal

's

mixed

with

21.6

MHz

to

obtain

a

signal

of

430

MHz

band

which

1s

fed

10

the

final

unit

In

recewe

mode.

the

signal

1s

RF

amplified

and

mixed

with

the

band

heterodyne

signal

to

obtain

21.6

MHz

in

the

1st

IF

In

SSB

or

CW

mode,

the

signal

is

mixed

with

30.

430

MHz

t0

obtain

883 MHz

in

the

2nd

IF

In

FM

mode.

the

signal

is

mixed

with

22.055

MHz

10

obtain

456

kH2

in

the

2nd

IF

wae

a3

unr

tat

ay

ssomnriw

Le

Fig.

1

Frequency

configuration

CIRCUIT

DESCRIPTION

Table

16.

Functions

of

Digital

Unit

IC38

MN

9004

Table

17.

Functions

of

Digital

Unit

(X54-1460-00)

ave

|

[ome

ae

Descinon

(=

SPs

=e

4

coi

©

|

Count

prohibited

at

FIX

channel.

°

Open

at

FIX.

normally

grounded.

scan,

band

and

H.H.

°

Hat

display

of

9th

digit,

3

010

©

|

Hatscen,

search,

empty

FIX

O

|

Lat

FIX,

VFO-B,

H

at

VFO-A,

channel.

°

figure

latch,

strobe

signal.

°

6

Gor

©

|

Buzzer

output.

FIX

channel,

°

Frequency

disappears

at

FIX

empty.

figure

latch.

strobe

signal.

°

7

coe

©

|

Delivers

output

execpt

at

20

«Sec

°

Digit

scan

signal.

9~13

|co4~o

©

|

Strobe

signals

of

100

kHz.

10

kHz,

°

PLL

band

data

output,

w~17/a13~0]

2

Ainpur

°

1e~21/aiz~o|

o

B

input

°

Hatscan

ON,

normally

L.

26

|

tst

|

o

Nocona

oper:

°

Lat

squelch

ON,

H

at

OFF,

27

RST

°

H

level

°

LatVFO

A,

6.

28

csucT

°

‘Same

as

pin

2

a

‘Open

at

FIX,

normally

grounded.

30

|

snsi

|

0

Count

input

Normatty

open.

31~34|/D00~3

©

|

Band

data,

binary

output

°

Normally

grounded.

38~98

|004~7

©

|

Fix

channel

gue.

binary

°

Lat

Flock

nermally

open

40

osc

°

Clock

signal.

400

kz

<

Hat

FIX,

memory

switch

ON.

g

¢

VFO

pulse

g .

2

|

weenbel

aan

oi

|

Reasacae

eater

cate

=

P

é

$

CIRCUIT

DESCRIPTION

(From

page

11.)

a

Selector

signal

ourput

to

IC34

and

35.

Transmit

prohibit

signal

at

scan,

search

and

FIX

empty.

Latch

strobe

signal

10

Hz

~

400

kHz

data

ourput

Band

data

output

FIX

channel

figure

output

Buzzer

pulse

output

ALL

ASS'Y

UNIT

(X60-1050-00)

The

PLL

cwcurt

includes

VCO,

A

LOOP

and

8

LOOP

units.

1,

B

LOOP

Unit

A

signal

of

13.215

MHz

is

oscillated

by

Q4.

The

10

and

100

kHz

data

from

the

digital

unit

are

converted

into

an

analog

signal

a8

a

bias

signal

to

D2

by

the

resistors

A25-37

(0

control

the

frequency

of

0-980

Hz.

The

frequency

1s

doubled

by

Q6

as

3

HET

signal

to

the

B

LOOP.

Q1

is

VCO

oscillator

for

B

LOOP.

The

signal

from

the

oscillator

passes

through

the

butter

O3

and

is

mixed

with

CAR

8.83

MHz

by

ICT.

then

the

frequency

difference

is

mixed

with

HET

signal

for

8

LOOP

by

IC2_

The1

kHz-100

kHz

data

from

the

digital

unit

is

divided

by

IC3

to

produce

1

kHz

signal.

This

signal

1s

compared

in

phase

with

the

reference

signal

from

A

LOOP

by

14.

The

output

passes

through

the

low

pass

filter

Q6-8

10

produce

VCO

control

voltage

for

B

LOOP

to

control

Q1

The

output

from

Q1

passes

through

the

buffer

Q2

to

produce

the

output

to

B

LOOP

2.

A

LOOP

A

signal

of

14.190

MHz

is

oscillated

by

Q1.

This

signal

is

doubled

by

Q2

and

tripled

by

Q3

to

produce

HET

signal

for

A

LOOP

The

signal

from

the

VCO

unit

is

mixed

with

the

HET

signal

by

(C1,

amplified

by.

IC2

and

then

mmxed

with

the

signal

trom

8

LOOP

by

IC3.

The

BAND

data

from

the

digital

unit

is

fed

to

IC4

so

that

the

signal

from

IC3

18

divided

into

100

kHa.

A

signal

of

8

MHz

1s

oscillated

by

ICS.

This

signal

is

divided

to

obtain

100

kHz

signal

as

reference

signals

for

8

LOOP

and

A.

LOOP,

and

is

compared

in

phase

by

IC6.

The

output

from

IC6

is

VCV

which

ontrols

VCO

of

the

VCO

unit

Analog

signal

from

the

BAND

data

is

obtained

from

IC7

This

signal

is

tuned

by

T1

and

T2

to

obtain

5

MHz

bandwidth

‘When

the

signal

1s

unlocked,

D4

of

D5

is

ON.

producing

UK

signal

of

H

level

3.

VCO

Unit

(X50-1520-00)

Frequencies

are

controlled

by

the

VCV

voltage

of

VCO

[01)

The

signal

passes

through

the

buffer

Q2

and

is

fed

to

A

loop

Q3

and

Q4

form

the

buffer

of

VCO.

When

the

signal

1s

un-

locked,

the

UK

signal

turns

Q9

to

ON

and

tums

Q8

to

OFF.

80

the

butfer

stops

and

no

output

is

obtained

from

the

VCO

terrninal

Q6

and

Q6

form

a

circuit

to

short

the

VCV

terminal

when

the

voltage

at

PL8

drops

momentarily.

When

the

signal

is

unlocked

during

adjustments

or

repairs,

turn

OFF

the

power

switch

and

then

turn

ON.

The

signal

will

then

be

locked

Sess

sa

i

aoe)

‘Ai

om

(9CD

v5

Fig.

19

PLLIANC3

PLL(B)IC2ITA7310P)

13

14

CIRCUIT

DESCRIPTION

Truth

Table

TD341928P

i

i

pcint6ot

fe

Prove

|}

1-013

Pout

T’R21|_comocrotor

eis

pine

Input

ta

Output

tert

!

!

int]

Coonk

veo

|

_Outour

beg

‘up.

|-down|Strobe|

Clear

Bowrow]

Cay

'

!

pce

|

pce aye

le

lo

lalelelo

fa

os

vo

fe

1

one

+

[=

[0

|

0

fpmfenlonfonananfenon|

Note

forer

ee

eno

Fj

—01r

=

1

fe |e

[rfolols]s

elo]

reer

ores

gt

1

Fd

i

'

=

fe fe

Lt

[fete

fe

fofofolo

[nore

rote

°

peas

7

Li

ve

20h

freranesee|

T—orenes

11a

ta

)o

telele|-ffololol

1

|.

i

TT

tt

Las

3

2

1112

[0

fel

*[*[efofsfofol

+

|

wes

og

bon

sins

2385

3f+]+

fo

[el-l+lefifrfofof

>

[1

bine

oF

bee

2fa

[+

fo

felefe[efofofsfo]

+

|

s

Fig,

20

PLL(BJIC4{MC145688)

sta

{+

fo

[el-l*[efrfolfof

s

[1

eft

fs

fo

[fel

fefolsfafof

a

[1

71+

[2

[oe

[e[efeleh

1

[4

@

f+ [+

[eo

f-fefe[efo

1

[4

‘ul

a]

¥ce

9

[ss

]o

[-fefe[efs

mr

To

°

1

1

oO

jeieieieso

4

1

Bourl2

>

jain

1

1

1

o

jeyeisieyt

1

1

Aout

=

en

|

Jovear

ttre

[st

[elsfe[eftteiete

is

[st

Down

c

2]

+

[+

fo

[fel

fefofofofs]

+

[1

DOWN

TG

ad

ci

s]sorrow

|

&

|

he

oft

ft

fo

[elf

fefrfofofr]

+

[a

3

]

carr

couNT

i

il

bea

1

fala

fo

fefefefefofofola]

1

fa

ro]

ide

vlel:|o

olififo]

+

|

a

2S

tis

[tli

t[r[t[

it

[ot

GNo[

e

E

4

2}0iNn

|

J]

Tht

be

FEE

EE

Lelefel

fo

1

[|

of7

|

o

[eff

[

fofofofol

o

|

1

IC4(T0341928P)

PLLIANCA(TD3-

)

ahacachonlelaleslalelelit

ala

Note

1:

The

state

of

SORROW

Output

and

CARRY

Output

will

depend

on

4,

Be

gMeSIAB.C.D

Output

and

Down

Coun

Count

nous

oor}

Que

15)

Voo

2:

th

Bit

time

prior

to

the

time

the

clock

input

changes

from

"0"

to

y

our

[Dore

44:

To=1:

Bittime

efter

the

clock input

changed

fom

“O"

tot"

Q

sooo]

fDQues

Vs]

FQse0

RB

ye

1

Lois

Press

Frea.

PLL(A}IC5(SM6422A)

Detector

Pu

uF

v

|}

o

4

Amottor

;

Le,

404

Los

owe

.

Pome

Fig.

21

ve

LSie

po

oF

Press

2

04

+O

10

ones,

Fre.

Decector

2

oz

eosin

14

Hos

GNO=Fin

7

Fig.

22

PLLIANIC(MC4044P)

SEMICONDUCTOR/FILTER

DATA

*

In

case

of

replacing

power

transistors

of

the

FINAL,

always

use

those

based

on

TRIO

Specifications.

Table

18.

28C2381

Retings

Table

19.

2SC2380

Ratings

Name

|

28C2381,

TRIO

Name

|

25¢2380,

TRIO

‘Application

|

UHF

band

power

amplifier

|

Application

|

UMF

band

power

ampiifier

Construction

|

NPN

Epitaxial

planar

type

|

Construction

NPN

Epitaxial

planar

type

|

I

Tal

I

Yeo

Weeo|Yewo|

tc

|

te

|

Pc

|

T

|

Ta

Need

Vero\¥eso)

te

|

te

|

Pc

|

Ty

ste

Absolute

maxi|"

te

[re]

a]

|

Absolute

mani,

“tt

|

|

|

|

mumratng

|

3

[1

[as|

6

|-6

|

@

|

Hs

[ex

mumatig

|

35

|

17

35/28]

28]

»

|i7s

-emd

|

+=

250

[yiv][vjalalw]<l

©

Mm=28°

Vivivlalalwiel

Test

condition

Testcondition

|

Ts

=

25215

-c

|

Test

specification

1

|

Test

specification

en

:

tom

Condition

|

Code

pastel

Une

Condition

Code

Man

Min|um

Coheeraial

Tye

sav

28

1

carer)

teve_1—

[18]

ma

abt

an

stg

fe

=

10mA,

|

=

2mAste-

0)

Yinmeao

|

35]

—

|

¥

Ssentsounvtege

|

f=

25m,

Yonceo[7[—-|¥|

|

=

Hoan,

tu=0

|

Ynceo

[|=

1¥

Sana

Ima

te-0

|

Yaneso

[5]

—|

¥

Soomvoage

|

te

=

200A.

te

0

|

Vinnieso

35)

-

1

V

Scans

—[verzavitewaa

|

te

[w]=[=

een

Wees

SV

te

uss

|

te

[l=

—

S|

Yeu=I0¥,

1g=0,

16s]

Coo

|

—

|

TACO

[Vew=10¥

te

O,t=

MRE,

Coy

|

—

|

wut

power

|

Yee=I26¥,

t=

ATOM

Tw

lot

1

jer

|vee"126%

0

=40MHe)

TT

uiputpower

|

VeesTEBY.

Tims

ro

|as|-|w

_ouonoowe

|e

nsam

|

uf=[w

Table

20.

28C2103A

Ratings

Table

21.

Filter

L72-0312-05(CFL-455F2)Ratings

Name

|

28¢2103A,

TRIO

jee

1

‘pplication

|

UHF

band

power

amplifier

=

Le

a

Nominal

center

frequency

455

kHe

Construction

|

NPN

Eptaxil

planar

type

3.48

bancwactn

“EB

HE

oF

more

Vero]

Vena]

eno]

te

|

te

|

Pe

|

T

|

Tue

onan]

veo]

e

|e

|

l

mum

rating

40

|

18

|

40

|

60

|

-60)

so

|

175

|

-5~175)

6

dB

bandwidth

$7.8

Wie’

site.

Mm=asrcl

vi

vlalalw]<]

7

(From

455

kHz)

:

Test

condition

|

Ts

=

215

°C

70

dB

bandwidth

‘£16

kHz

oF

Test

specification

8

of

more

Guaranteed

attenuation

as

=

item

Condition

40 68

or

more

[tron

|

Yeu

=

8V.

te

=0

Riople

3.48

or

less

tu

en

ge_|

Ye

1OmA

fy

0

loss

4.48

or

lose

ie

=5mA,

Ty

=O

|

_

bso

goes

rotage

Impedance

15K

|

Soemarage

Te

=tmA,

te

=0

OCanptia”

Tye

=5v,

Ie

=3A

Cetera

oO

|

ven

=10V,

te

0,

f=1

Mi

power

|

Yoo

=128¥,

f=

SMe

‘Output

pows

Pi

420,

MBO

16

FILTER/OPTION

DATA

Table

22.

Ratings

of

Crystal

Filter

L71-0209-05(21G20A)

Table

23.

Ratings

of

Crystal

Filter

L71-0208-05(YK-88S)

hem

Nominal

canter

frequency

Specification

21,6

MHz

Pass

bandwidth

£10

kHz

of

more

at

3

dB

[Attenuation

bandwisth

#35

kHz

or

loss

at

18

48.

Ripple

0.5

dB

oF

less

Loss

2

dB

or

less

-

em

Specification

[Nominal

canter

frequency

|

G850

Ke

‘Center

frequency

devistion|

Within

+

150

Hz

at

6

dB

Pass

tandwidth

E12

kis

or

more

at

6

0B

‘Attenuation

bandwidth

|

$1.5KHzorlees

at

20

08

+£2.2

kHz

or

less

at

60 48

£3

ktHz

or

loss

at

80

a8

Guaranteed

attenuation

30 dB

or

more

at

a

range

within

£1

MHZ

(The

spurious

output

shall

be

at

18

48

or

more.)

Terminal

impedance

2KM+10%//1PF*

10%

Option

*

BU-1

(Outside

Battery

Case)

Rt

1200

af

@

3

al

Tet

Sa

3

5

oat

is

|

Ms

3

|

\

uF

Lito

Fig.

26

BU-1

Circuit

Table

25.

BU-1

Parts

List

Part

Pants

No.

Remarks

Resistor

(R1)

RcosGr2Hi21s

|

120R+6%

1/2W

Power

Jack

J1)

E08

—

0304

—

05

Power

Plug

le30

~

1624

—

05

Battory

case

ls

19

—

1319

~

03

Dummy

eel

|wos

—

oo02

—

o5|

16

Ripple

2aBorless

[oss

6

4B

or

less

‘Guaranteed

attenuation

|

8048

or

more

within

+1

MHe.

Impedance

‘GOORES%

//

18PFB%

for

both

input

and

output

In

order

to

operate

by

DC

Since

this

unit

is

not

equipped

with

OC

power

source

cable,

in

case

of

OC

operation,

it

is

necessary

to

prepare

a

DC

power

source

cable

like

the

one

shown

in

Fig.

25.

Since

this

cable

is

not

equipped

with

a

fuse,

in

case

it

is

used

‘as

that

for

TS-770.

insert

an

8A

fuse.

DC

power

source

cable

and

fuses

are

handled

by

our

business

offices

or

service

centers.

OC

cable

ASSY

parts

No.

X42-1210-00

Total

Length

2

m(50

core

0.18

mm)

Fig.

25

DC

Cable

OUTSIDE

VIEWS

Push

knob

FRONT

PANEL

(x2

eat

Kobltik21

0309

—14)

(K27

~6404-04)

sale

MeterlA)

SM

Dial

escutcheon

Panel

escutcheon

(B31

—0613—04)

(807—0612

—o5)}

(801-0617

~05)

Front

glass

LED

SEL—

103

be

0430-05)

(B10-“0814-05)

ares

(vi1=0480-08)

(831

~0614~05)

Knob{¢)x

3RIT

FUNCTION

(k21

0279-14)

Lever

knoblA)

x4

(a)

(23-0707

04)

(k21~0308~14)

AF

GAIN

3

Name

plate

i

Indicating

tube

(v4o~7760~86

Tovor

knob

SySTBY

Handle

(K23

0705

—04)

A

(k01

=

0402

~08)

Lo

pr2ii20

(11-7260

~66

i

Push

knobiA)

{K27—0402

04)

Oramental

panel

»

Switch

gril

(a21

072203)

(807

0618-05)

4P

Metal

socket

(€08—0481

~

15)

072713)

LONER

Phone

jack

|

Tight

knob

if

(611-0034

96

|

(Brake)

Band

knobiA)

(844—

1404-08)

(k23-0714-04)

|

(k29~0710~05)

Knob(MODE)

LED

PRA1120,

Push

knob(8)

x

6

Bond

knob)

(k21

074204)

(v1

=7260-66)

(K27

0403

—04)

(K29=0711-05)

REAR

PANEL

Caso\B)upper

Heat

sink

C

KEY

jack

panel

(401-0729

01)

(E11

0005

~15

(a23~1426~02)

Speaker

jack

(€11~0003—15)

Slide

switch

(Backup)

(831-2027

~08)

Blind

4P

Power

socket

(€08

0409-05)

Foots(Small

x

419

15),

(4020022

~08)

3

Case(A)

Lower

.

(A01

0728-01)

T

FootiLarge)

x

61420)

(02

—0049—

14)

Mtype

receptacle

ree

ie

hee

os

(€08—0751—05)

(13-0033

~15)

Power

jack

3P

Screw

terminal

(08-0204

—05)

(E21

0007-08)

7

INSIDE

VIEWS

DIGITAL

unit

AF/VOX

unit

MIX

(A)

unit

RF

unit

(X54—1460—00)

—.(x49—1120-61)_

(X48—1250—00)

(x44—1270—00)

TOP

VIEWS

MIX

(B)

unit

(x48

—1260—00/

)

¥

a

g

aK

PLL(A)

unit

PLL(B)

unit

430

MHz

FINAL

unit

(X50—1530—00)

(x50—1540—00)

(X56—1320—01)

BOTTOM

VIEWS

Tone

unit

IF

unit

144

MHz

FINAL

unit

(x52

—1110—62)

(x48

—

1270-00)

(X56-1310-01)

CAR

unit

(X50—1510—00)

ENCODER

ASS'Y

unit

(x60

—

1080-61)

PULSE

generating

unit

(X52-1220-61)

PULSE

receiving

unit

(x54-1400-00)

VCO

unit

AVR

unit

(X50—1520—00)

(x43—1310—00)

18