Kenwood TS-670 User manual

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KENWOOD

TS-670

INSTRUCITON

MANUAL

Thank

you

for

buying

the

TS-670

amateur

band

transceiver.

This

equipment

has

been

carefully

engineered

and

manufactured

to

rigid

quality

stan-

dards

and

should

provide

satisfactory

and

depen-

dable

operation

for

many

years.

MISTANDARD

ACCESSORIES

The

following

parts

are

supplied

with

TS-670

as

stan-

dard

accessories.

°

DC

power

cord

(E30-1648-05)

©

Fuse

(FO5-4022-05).............00.

°

Instruction

manual

(B50-41

15-00)

°

Warranty

card

(for

USA)

°

Microphone

(option

for

USA)

...

MCONTENTS

a

.

TROUBLESHOOTING.........

.

ACCESSORIES

............0006

.

INTERNAL

VIEWS

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

.

BLOCK

DIAGRAM.............

.

SPECIFICATIONS....

OANODOARWHN

SFEATURES

5c.

cenisesdeceutecbessecasase

.

PREPARATION

BEFORE

USE........

.

CONTROLS,

INDICATORS

AND

CONNECTORS

OPERATION

viissiisissaccsyecxxecdscsvens

°

After

unpacking

©

Shipping

container

Save

the

box and

packing

in

the

event

your

unit

needs

to

be

transported

for

remote

operation,

maintenance,

or

service.

¢

The

following

explicit

definitions

apply

in

this

manual:

i

If

disregarded,

inconvenience

only,

no

risk

of

equipment

damage

or

personal

injury.

Equipment

damage

may

occur,

but

not

personal

injury.

[xine

1.

FEATURES

.

Built-in

4

bands,

7

MHz-50

MHz:

Three

HF

bands,

7

MHz,

21

MHz,

28

MHz

and

one

VHF

band,

50

MHz

are

provided.

Band

selection

is

ac-

complished

by

the

UP/DOWN

switch.

Each

band

covers

1

MHz.

Operating

frequency

can

be

con-

tinuously

varied

by

the

main

tuning

control.

.

All

mode

operation

Applicable

to

SSB,

CW,

FM

(option)

and

AM

(AM

filter

optional)

modes.

The

transceiver

is

capable

of

operating

in

SSB,

CW,

FM

(option)

and

AM

(optional

AM

filter).

.

500

kHz-30

MHz

general

coverage

receiver:

With

the

optional

GC-10,

the

TS-670

works

as

a

general

coverage

receiver

(except

for

the

frequencies

near

8.83

MHz).

.

Various

frequency

control

functions:

°

Selectable

tuning

rate,

10

Hz

steps

or

100

Hz

steps

for

AM,

SSB

and

CW,

10

kHz

and

100

Hz

for

FM.

°

Two

different

VFO’s

are

built

into

the

set

allowing

cross-band

operation.

°

80

channel

memory

for

band-mode

information.

°

Pushbutton

frequency

entry

is

also

possible

using

the

O~9

keys.

°

Provided

with

two

kinds

of

scanning

function.

°

Memory

channels

are

selectable

with

the

main

tun-

ing

control.

10.

11.

.

Lithium

battery

memory

backup.

.

Built-in

all

mode

squelch

circuit.

.

An

IF

shift

circuit

is

provided

to

allow

shifting

the

IF

passband,

to

aid

in

reducing

adjacent

channel

in-

terference.

Filter:

wide/narrow

selectable.

.

Built-in

peak

power

meter.

.

Continuously

variable

TX

power.

CW

semi

break

in

circuit

2-color

fluorescent

display

tube.

==2.

PREPARATION

BEFORE

USE

@

2-1

PRECAUTIONS

ON

INSTALLATION

M

2-2

PREPARATION

BEFORE

OPERATION

Before

operating

the

equipment,

the

following

preparation

is

required.

Before

connecting

the

power

supply,

carry

out

the

following.

(1)

First,

to

familiarize

yourself

with

the

operation

of

this

Nex

OH

3h

equipment,

read

the

instruction

manual

thoroughly.

If

SSS

you

are

using

the

transceiver

for

the

first

time,

practice

Avoid

direct

sunlight,

and

select

a

dry,

well

ventilated

loca-

while

reading

the

manual,

by

actually

operating

each

tion.

switch

and

control

with

the

power

switch

OFF.

After

you

have

mastered

the

transmit

procedure,

you

may

begin

actual

operation.

NOTE:

Grounding

Making

a

good

earth

connection

is

important

for

preven-

Since

the

heat

sink

is

on

the

rear

panel,

avoid

placing

the

|

ting

dangers

such

as

electric

shock

and

for

emitting

a

equipment

with

the

bottom

and

rear

sides

close

to

a

wall

or

|

high

quality

signal

with

minimum

spurious

radiation.

desk.

Bury

a

commercially

available

ground

rod

or

copper

plate

under

the

ground

and

connect

it

to

the

GND

terminal

of

TS-670.

A

thick

wire

cut

as

short

as

possible,

should

be

used

for

the

connection.

A

city

water

pipe

cannot

be

used

as

a

good

earth

in

some

cases.

Never

use

a

gas

pipe

or

electrical

conduit

pipe.

When

installing

the

equipment

in

an

automobile,

ensure

adequate

ventilation.

Install

the

equipment

in

a

location

where

the

rear

does

not

make

direct

contact

with

the

seat,

and

is

not

directly

exposed

to

vibration.

CAUTION:

Power

supply

The

standard

operating

voltage

of

TS-670

is

13.8

V

and

the

current

is

4

A.

Do

not

use

a

power

supply

(both

fixed

and

mobile)

that

provides

over

16

V

with

the

power

switch

of

TS-670

turned

off.

Operation

under

such

a

condition

will

void

the

warranty.

7)

Also,

do

not

use

a

power

supply

that

does

not

supply

at

{

i

t

\ t J

&

:

least

12

V

in

transmit

or

receive.

Use

of

such

a

supply

may

cause

the

performance

of

the

TS-670

to

suffer.

Avoid

installing

the

equipment

in

front

of

the

car

heater

air

outlet.

The

standard

operating

voltage

of

the

equipment

is

13.8

V.

Do

not

operate

below

12

V

or

over

16

V.

3.

CONTROLS,

INDICATORS

AND

CONNECTORS

Meter

switch

final

stage

power

transmission.

ampli

tion.

During

SSB

operation,

adjust

the

MIC

control

so

that

the

meter

is

within

the

ALC

zone.

Similarly,

adjust

the

CAR

control

for

CW

opera-

During

transmission,

the

meter

switch

deter-

F

mines

meter

function.

The

switch

selects

bet-

"

ween:

Meter

;

n

RF:

In

this

position,

the

meter

monitors

the

Works

as

an

S-meter

in

receive,

in-

RF

output

of

the

transceiver.

dicating

the

signal

strength,

and_in-

ALC:

The

meter

monitors

the

output

of

the

dicates

the

RF

power

or

ALC

level

in

SPLIT

indicator

transmit.

These

two

modes

are

selected

SS

Lights

when

the

SPLIT

switch

is

ON.

by

the

meter

switch.

ifier

during

[

VFO

indicator

Indicates

VFO

(A

or

B).

POWER

switch

Turns

the

TS-670

on

(.™)

[

[

MCH

(Memory

Channel)

display

——

Indicates

memory

channels

(1-79)

or

NB

(N

and

off

(ML).

|

Set

thi

short

duration

pulse

noise.

program

scan

(P).

loise

Blanker)

switch

is

switch

to

ON

to

elimi

inate

VOICE

switch

Audible

announcement

of

frequency

when

the

VS-1

is

installed.

ATT

(Attenuator)

switch

Set

this

switch

to

ON

to

at-

tenuate

the

input

by

approx-

imately

20

dB.

STANDBY

switch

REC:

Indicates

recep-

tion

mode.

SEND:

Indicates

trans-

mission

mode.

NAR/WIDE

filter

selector

Selects

the

passband

width

when

optional

filters

are

install-

ed.

Connect

this

terminal.

|

MIC

(Microphone)

connector

the

microphone

to

[

PHONES

jack

Connect

the

headphone

to

this

jack.

MODE

switch

Selects

LSB,

USB,

CW,

AM

and

FM

(option)

modes.

Numeric

keypad

Used

to

input

numeric

data

for

frequency

etc.

See

page

18

for

additional

information.

|

Scan/memory

keyboard

Indicators

-

Used

to

select

memory

scan,

pro-

ONAIR

:

L

gram

scan,

VFO

or

memory

opera-

F.LOCK

:

Li

tion

and

for

memory

input.

See

page

18

for

additional

data.

F.STEP

requency

display

\dicates

the

operating

frequency

to

the

[

RF

PWR

(RF

Power)

control

Varies

the

transmit

power

in

SSB,

CW

and

FM

modes.

RIT

display

Indicates

the

RIT

frequency

with

the

a

earest

100

Hz.

Es

ON.

This

is

MIC

(Microphone

Gain)

control

Adjust

the

microphone

gain

in

SSB

and

AM

modes.

Turn

clockwise

to

increase

the

gain.

SQUELCH

control

This

is

a

squelch

adjusting

control.

Turn

clockwise

to

increase

squelch.

This

control

can

be

used

in

all

modes.

RF

(RF

Gain)

control

This

is

used

to

adjust

the

gain

of

RF

amplifier

stages

of

the

receiver.

Normally

this

control

is

set

for

maximum

gain,

full

clockwise.

AF

(Audio

Gain)

control

This

is

used

to

adjust

the

audio

volume.

Set

this

control

to

the

desired

position.

‘—IF

shift

control

effective

for

eliminating

in-

terference

from

the

near-by

stations

or

for

adjusting

the

receive

tone

quality.

|

RIT

control

(mum

BAND

TMHz

a

al

le

28

60

[

RIT

switch

This

is

the

ON/OFF

switch

of

the

RIT

circuit.

This

allows

shifting

the

receive

frequency

only,

about

+1.2

kHz.

1

MHz

nected.

This

is

used

to

vary

the

frequency

in

1

MHz

steps.

This

switch

does

not

work

unless

the

GC-10

(option)

is

con-

step

switch

BAND

switch

/FO

control

his

is

used

to

select

the

frequency.

a

lower

frequency.

This

is

the

band

selector.

Press

the

UP

button

to

switch

to

a

higher

frequency,

and

the

DOWN

button

to

his

is

also

used

for

memory

channel

election.

VFO

keyboard

A/B

__:

Selects

the

VFO

(A

or

B).

SPLIT

A=B

jhts

in

transmit.

jhts

when

the

LOCK

VEO:

vitch

is

pressed.

LOCK

a

i

hts

when

the

STEP

STEP:

Press

this

switch

to

change

the

VFO

step.

Jitch

is

pressed.

:

For

split

frequency

operations

A-R,

B-T

or

B-R,

A-T.

:

During

VFO

operation,

press

this

switch

to

equalize

the

frequency

and

mode

of

the

idle

VFO

to

that

of

the

active

:

Press

this

switch

to

lock

the

VFO

and

BAND

switches.

ANT

(Antenna)

switch

Used

to

select

either

the

7-50

MHz

or

the

50

MHz

connector.

7-50

MHz

antenna

connector

KEY

jack

Connect

a

key

to

this

jack

when

operating

in

CW

mode.

For

connecting

a

single

7-50

MHz

antenna.

May

also

be

used

for

a

7-28

MHz

antenna

with

the

proper

set-

ting

of

the

ANT

switch.

Used

for

connection

of

a

seperate

50

MHz

antenna.

EXT

SP

(External

Speaker)

jack

——

An

external

speaker

terminal.

Use

the

50

MHz

antenna

oro»

oe

|

supplied

plug

when

connecting

an

ex-

ternal

speaker.

GND

terminal

REMOTE

connector

_

DC

power

connector

The

TS-670

should

be

grounded

through

this

terminal

to

avoid

the

possibility

of

TVI

and

BCI.

Use

this

connector

when

the

TS-670

is

operated

in

conjunction

with

an

exter-

nal

device.

This

connector

is

internally

connected

as

shown

in

the

illustration.

For

connection

use

the

supplied

7P

DIN

plug.

Connect

a

DC

power

supply

to

this

con-

nector

using

the

supplied

power

cord.

The

standard

voltage

is

13.8

V.

Pay

at-

tention

to

polarities.

1

Rear

view

u

GND

External

control

(+12

Saget

V

DC

at

max.

10mA

GND

7

6

5)

S—

yey”

terminal

appears

in

transmis-

sion.)

‘Standby

terminal

(For

transmission,

this

ter-

minal

should

be

ground-

ed.)

External

ALC

input

Speaker

output

+8Vvpc

GND

4.

OPERATION

@

4-1

Connection

Make

connection

of

TS-670

as

shown

below.

Headphones

Use

headphones

of

4

to

162

impedance.

Stereo-type

headphones

can

also

be

used.

on

8

Voice

controller

VOX-4

REMOTE

commectot

Connect

the

VOX-4

output

cable

to

the

External

accessories

can

be

connected

to

the

MIC

connector

of

TS-670,

if

desired.

TS-670

through

the

REMOTE

connector.

The

PTT

terminal

can

be

used

for

remote

control

of

send/receive

operations.

a=

GND

terminal

External

speaker

It

is

recommended

that

a

ground

lead

be

con-

Key

Besides

the

built-in

speaker,

an

external

nected

to

the

GND

terminal

at

the

rear

of

the

For

CW

operation,

connect

your

key

to

the

speaker

can

also

be

used.

Connect

to

the

rear

set

to

prevent

the

possibility

of

electric

KEY

jack

at

the

rear.

Use

shielded

cable.

EXT

SP

jack

using

the

supplied

plug.

shock,

TVI

and

BCI.

Use

as

short

and

heavy

a

lead

as

possible.

@

4-2

CONNECTION

OF

ANTENNA

AND

POWER

SUPPLY

FOR

FIXED

STATION

When

the

7-50

MHz

common

antenna

is

used,

set

the

switch

to

the

7-50

position

and

use

the

upper

connector.

When

separate

antennas

are

used,

50

MHz

band

HF

band

_

set

the

switch

to

the

50/7-28

position

and

connect

the

50

MHz

antenna

to

antenna

antenna

the

lower

connector

and

the

7-28

MHz

antenna

to

the

upper

connector.

PS-20

Se

ms

iy

ms

Regulated

power

supply

728

mes

50

a

Wall

AC

outlet

Black

©

|

@

Red

M-type

connector

—_>

—

M-type

connector

DC

power

terminal

@

4-3

CONNECTION

OF

MOBILE

ANTENNA

AND

POWER

SUPPLY

ANT

When

a

7-50

MHz

common

antenna

is

used,

set

the

switch

to

the

7-50

somo

position

and

use

the

upper

connector.

When

separate

antennas

are

used,

728

7-50

set

the

switch

to

the

50/7-28

position

and

connect

the

50

MHz

antenna

to

the

lower

connector

and

the

7-28

MHz

antenna

to

the

upper

connector.

50

M-type

connector

—,,>

>

—ZJ>

=

M-type

conector

Take

power

directly

from

the

battery

terminal.

Battery

(12

V)

Mobile

operation

NOTE:

Before

connecting

and

disconnecting

the

power

connec-

tor,

be

sure

to

turn

off

the

power

switches

of

the

TS-670

and

the

PS-20.

@

4-4

RECEPTION

Power

switch

OFF

(1)

Turn

the

SQUELCH

ntrol

fully

counter-

clockwise.

Turn

the

RF

control

fully

clockwise.

Turn

the

AF

control

ful-

ly

counterclockwise.

REC

RIT

switch

OFF

(2)

(3)

MODE

switch

BAND

switch

(4)

(5)

90000

oooo0

=

———

VFO

control

First

connect

the

antenna,

microphone

and

key.

Preset

the

controls

as

shown

at

the

left.

Turn

the

POWER

switch

on.

(First

turn

on

the

power

switch

of

PS-20

and

then,

the

POWER

switch

of

TS-670

when

operating

fixed

station.)

The

meter

and

digital

display

will

illuminate,

indicating

the

transceiver

is

in

operation.

Select

the

desired

band

with

the

BAND

switch

(UP

or

DOWN).

Select

the

desired

mode.

(In

SSB,

LSB

for

7

MHz

or

lower

and

USB

for

over

10

MHz

is

commonly

used

by

international

convention.)

(6)

Adjust

the

AF

control

to

obtain

the

desired

volume.

(7)

Turn

the

VFO

control

slowly

so

the

desired

signal

can

be

heard

clearly.

NOTES:

1.

A

weak

beat

will

be

heard

at

53.9999

MHz.

This

is

normal

and

is

not

an

indication

of

trouble.

2.

In

AM

mode

without

the

YK-88A

filter

(option),

the

passband

is

the

same

as

in

SSB

mode.