Kenwood TM-631A User manual

GOONS)

144/220MHz

DUAL

BANDER

TM-631A

144/440MHz

DUAL

BANDER

IM-731A

144/430MHz

DUAL

BANDER

IM-731A

TM-731E

INSTRUCTION

MANUAL

KENWOOD

CORPORATION

©PRINTED

JAPAN

B50-8295-00(K,

W)(T)

90/12

1110987654321

89/121110987654

Thank

you

for

purchasing

this

new

transceiver.

IMPORTANT:

Please

read

this

instruction

manual

carefully

before

placing

your

transceiver

service.

SAVE

THIS

INSTRUCTION

MANUAL.

CAUTION:

Long

transmission

extended

operation

the

power

mode

might

cause

the

rear

this

transceiver

get

warm.

not

place

the

transceiver

where

the

heat

sink

(rear

panel)

might

come

contact

with

plastic

vinyl

surfaces.

This

Instruction

Manual

covers

the

following

models.

TM-631A

144/220

MHz

DUAL

BANDER

TM-731A

144/440

MHz

DUAL

BANDER

(U.S.A.

version)

TM-731A

144/430

MHz

DUAL

BANDER

(Other

market)

TM-731E

144/430

MHz

DUAL

BANDER

The

following

explicit

definitions

apply

this

manual:

Note

disregarded,

inconvenience

only,

risk

equipment

damage

personal

injury.

Equipment

damage

may

occur,

but

not

per-

sonal

injury.

Caution

CONTENTS

Poe

BEFORE

OPERATION

...i..00:scscceccsecccneneneroes

SPECIFICATIONS

and

ACCESSORIES

INSTALLATION

INSTRUCTIONS

IPERA

TIONS.

cvcrcteexsegetistacrsentvevesvacrasansneind

OPERATING

CONTROLS

RECEIVER'OPERATION.

.iscscsscessccriscoesstuaeens

Reception

Frequency

Selection

Frequency

Step

Selection...

A.B.C.

(Automatic

Band

Change)

...

TRANSMITTER

OPERATION

REPEATER

OPERATION

Transmitter

Offsets

REVErse|FUNCHON

scssicvsiesieneveuaisooruwiaveone

Tone

Operation

Autopatch

(U.S.A.

version

only)......ssseseeee

MEMORY

sseccdhtcacatea

cocaxtercssane

atveesaunsee

Microprocessor

Memory

Back-up

Microprocessor

Initialization

Memory

Channel

Memory

Contents

Memory

Entry

sresesisscusecessreransxcestacaniecuan

Simplex/Normal

SHIFT

Odd

Split

Channels

Call,

CHANNEL

ses

ovsenaedes

sseasnancescewene

Memory

Recall

Memory

Shift

SCAN

cscnanvesnarsascdawsnanaasnienrnsastensienpebendace

Scan

Options

Hold

Resume

Programming

Programmable

Band

Scan/Band

Scan

Memory

Channel

Scan....s.scsseceseneeeeeeeeees

Double

Scan

Priority

Alert

Memory

Channel

Lockout.....esssseeesseereneee

Tone

Alert

System

BLOCK

DIAGRAM

and

SCHEMATIC

DIAGRAM"""""""

another

sheet

MAINTENANCE

Case

Difficulty

....

OPTIONAL

ACCESSORIES

............csceeeeseeees

CTCSS

unit

TSU-6

REMOTE

CONTROLLER

RC-10

ACCESSORIES

wvcsisinssinisvnnsncnontessseinas’aeciase

waRNiNe]

BEFORE

OPERATION

PREVENT

ELECTRIC

SHOCK,

FIRE

AND

OTHER

INJU-

RY.

PLEASE

NOTE

THE

FOLLOWINGS:

avoid

risk

electric

shock,

under

circumstances

should

the

unit

opened:

not

place

this

unit,

where

will

exposed

direct

sunlight

heating

appliances.

ensure

good

ventilation,

not

put

anything

top

the

cabinet

and

allow

least

inches)

space

behind

the

unit.

The

power

requirement

13.8

VDC.

Never

attempt

connection

VDC

source.

not

place

the

unit

areas

excessive

dust,

high

hu-

midity

unstable

surfaces.

not

drop

pieces

metal,

needles,

coins

and

other

elec-

trically

conductive

materials

into

the

unit.

not

pull

the

power

cord,

when

disconnecting

from

the

wall

outlet.

Grasp

the

plug

and

ensure

that

your

fingers

not

touch

the

live

pins.

abnormal

odor

smoke

detected,

immediately

turn

the

power

off

and

pull

out

the

power

plug.

Contact

the

KENWOOD

service

station

your

dealer.

CLEANING

Turn

the

power

off,

before

cleaning

the

unit.

not

use

any

type

abrasive

pad,

thinner,

benzine

any

substances

which

may

damage

the

unit.

Wipe

the

front

panel

and

other

exterior

surfaces

the

unit

with

soft

dry

cloth

soft

cloth

lightly

moistened

with

water.

SPECIFICATIONS

AND

ACCESSORIES

2-1.

SPECIFICATIONS

2-2.

ACCESSORIES

lode!

1-731,

Giharmakes|

TM7aIe

TM-631A

Specifications

U.S.A,

version

Version

Unpack

your

new

transceiver

carefully,

and

con-

744

148

MHz|144

148

MHz|144

146

MHz|144

148

MH;

i i

Frequency

range

PES

tape

bia

beep

ten

eee

firm

that

the

accessories

listed

below

are

included

Mode

—

F3€

(FM)

the

box.

‘Antenna

impedance

ohms

it!

13.8

VDC

+15%

MC-44DM

Microphone....791-0380-15

.....1

ea.

Tranamit

mode

Less than

(U.S.A.

and

CANADA)

[5s

Besene

mode

with

Less

than

0.6

Operating

temperature

=20°C

+60°C

(-4°F

+140°F)

MC-44E

Microphone.......

7T91-0382-15.....1

ea.

Dimensions

(WH

201

160x

60x

219

(8.97

x2"

8.6")

(U.K.

and

Europe)

Weight

1.8

(3.97

Ibs)

Output

744

MHz:

220

MHz:

430/440

MHz:

Microphone

..........csseeeeee

T91-0379-15.....

ea.

‘

Low

(Other

market)

lodulation

feactance

modulation

Sauna

Taaavon

leer

Seas

Microphone

Hook..........«

J20-0319-24......1

ea.

Maximum

frequency

deviation

£5

kHz

(U.S.A.

and

CANADA)

Audio

distortion

(at

60%

Less

than

(300

3000

Hz)

Self

tapping

Screw.........

N46-3010-46.....2

ea.

Microphone

impedance

500

600

ohms

(U.S.A,

and

CANADA)

Circuitry

Double

conversion

superheterodyne

Bracket

iiiiisiicssscasceas

-..J29-0418-03.

144

MHz:

16.9

MHz/455

kHz,

- |

U.S.A.

version

220

MHz:

30.825

MHz/485

kiiz,

Mobile

Mounting

Kit

.......N99-0318-05

Intrmeckat

440

MHz:

21.6

MHz/455

kHz

Wrench

-W01-0414-05

....1

ea.

juency

144

MHz:

10,7

MHz/455

kHz,

Other

market

Ano

the

aoptic/abe

Kriz

Power

Cable

-E30-2111-05

.....1

ea.

Sensitivity(12

SINAD)

144

MHz:

Less

then

0.2

nV,

220

MHz:

Less

than

0.18

2V,

Fuse

(15A)

-FO5-1531-05......

ea.

iz:

Less

than

0.16

€

cores

ilaiddera

than

TZkHz,

Instruction

Manual

-B50-8295-XX

..1

copy

letteavity

—

dB:

Less

than

kHz

Warranty

Card.

ea,

Spurious

response

Better

than

(U.S.A.

CANADA

and

Europe)

‘Squelch

sensitivity

Less than

0.09

»V

J 4

Output

than

across

ohms

load

(5%

distortion)

External

speaker

impedance

ohms

After

unpacking

Notes:

Shipping

container:

Circuit

and

ratings

are

subject

change

without

notice

due

ad-

Save

the

boxes

and

packing

the

event

your

unit

vancement

technology.

needs

transported

for

remote

operation,

main-

*Recommended

duty

cycle:

St,

tenance,

service.

minute

Transmission,

minutes

Reception

INSTALLATION

INSTRUCTIONS

3-1.

INSTALLATION

Mounting

Bracket

When

installing

the

transceiver

vehicle

consider

the

ease

operation

and

safety

when

selecting

the

location

for

the

mounting

bracket.

Install

the

bracket

using

the

supplied

flat

washers

and

self

tapping

screws

pcs.

each).

Attach

the

transceiver

loosely

using

the

SEMS

screws

pcs.).

The

angle

the

bracket

may

adjusted

any

possible

viewing

angles.

Select

the

desired

angle.

(Fig.

Hold

the

transceiver

place

and

tighten

the

SEMS

screws

using

wrench

screwdriver.

Flat

washer

Self

tapping

screw

[}

3-2.

CONNECTIONS

3-2-1.

Mobile

Installations

External

Speaker

The

SP-41

TM-731A/731E:

The

MA-700

dua!

band

antenna

recommended.

144

MHz

144

MHz

antenna

the

SP-50B

Duplexer

220

MHz

430/440

MHz

TM-631A:

TM-731A/731E:

antenna

—

antenna

430

MHz

Cautions:

—

Before

installing

the

power

cable,

sure

remove

the

negative

lead

from

the

battery

for

safety.

After

installation

and

wiring,

sure

double

check

for

correct

installation

before

reconnecting

the

negative

lead

the

battery

terminal.

the

fuse

opens,

sure

check

that

each

conductor

has

not

been

damaged

short-circuiting,

etc.

Then

replace

with

new

fuse

the

same

rating.

After

completing

the

wiring,

wrap

the

fuse

holder

with

heat

resistant

tape

protect

against

heat

and

moisture.

not

remove

the

fuse

even

the

power

cable

too

long.

Battery

Connections

Connect

the

power

cable

directly

the

battery

terminals.

Use

the

cigarette

lighter

socket

can

lead

poor

connec-

tion,

and

result

poor

performance.

Pay

attention

the

polarity

the

cables

when

connecting

them

the

battery.

Make

sure

the

positive

(+)

and

negative

(—)

lead

polarity

correct

when

connecting

the

battery.

Engine

compartment

Passenger

compartment

Fuse

Red

the

transceiver

Select

location

where

the

power

cable

pro-

tected

from

heat,

mols

ture

abrasion

when

securing

the

cable.

Make

sure

the

cable

does

not

directly

contact

the

edge

the

hole

using

‘a

grommet.

Chassis

fire

wall

Battery

™

the

wiring

hole

the

fire

wall

chassis

too

small,

disas-

semble

the

fuse

holder

thread

the

wire

through

the

hole.

From

passenger

compartment

Thread

this

Ignition

Noise

This

transceiver

has

been

designed

suppress

ignition

noise;

however,

excessive

noise

present,

may

necessary

use

suppressor

spark

plugs

(with

resistors).

3-2-2.

Fixed

Station

regulated

power

supply

(13.8

VDC

capable

sup-

plying

least

Amperes)

required.

The

PS-430

and

the

PS-50

are

recommended.

CAUTION:

Never

connect

the

power

cable

the

outlet

un-

til

all

other

connections

have

been

made.

Before

connecting

and

disconnecting

the

power

connec-

tor,

sure

turn

off

the

POWER

switches

both

the

transceiver

and

the

power

supply.

Observe

polarity

the

power

cable.

The

transceiver

operates

13.8

VDC,

negative

ground.

Battery

polari-

must

correct.

The

power

cable

color

coded:

Red

-—

(Positive

polarity)

Black

—

(Negative

polarity)

\o/

SP-430

HGOUUNONNONGONGA

nIniUATOO

ARON

TM-631A

220

MHz

antenna

TM-731A/731E

430/440

MHz

antenna

—

3-2-3.

Antenna

The

type

antenna

that

used

will

greatly

affect

the

per-

formance

the

transceiver.

Use

properly

adjusted

anten-

na,

good

quality,

enable

your

transceiver

perform

its

best.

The

antenna

input

impedance

ohms.

Use

50-ohm

coaxial

cable

such

RG-8U

8D-2V

for

this

con-

nection.

the

antenna

far

from

the

transceiver

the

use

low

loss

coaxial

cable,

such

RG-8U

recommended.

Match

the

impedance

the

coaxial

cable

and

that

the

antenna

that

the

SWR

less

than

1.5

The

protec-

tion

circuit

the

transceiver

will

activate

the

SWR

par-

ticularly

poor

(greater

than

1).

High

SWR

values

will

cause

the

transmitter

output

drop,

and

may

lead

TVI

BCI

reports.

CAUTION:

For

protection

against

fire,

electric

shock,

personal

injury,

damage

the

radio,

use

lightning

arrester

your

an-

tenna

lines.

OPERATION

CONTROLS

wes

agé

4-1-1.

Front

Panel

Hen

Lak

19h

ABE

—

eee

®@

Main

Tuning

control

This

control

used

select

the

desired

transmit/

receive

frequency,

Memory

Channel,

Frequency

Step,

Tone

Frequency,

and

Scan

direction

the

MAIN

fre-

quency

band.

CALL

key

The

CALL

key

selects

the

CALL

channel

the

MAIN

frequency

band.

The

frequency

may

reset

any

desired

frequency.

(See

CALL

Channel

P26.)

VFO

key

This

key

used

return

VFO

operation

after

oper-

ating

the

(Memory

Recall),

CALL

Channel

mode.

The

MAIN

tuning

control

will

increase

frequen-

the

selected

step

size,

the

tone

frequency,

and/or

the

frequency

step.

Press

and

hold

the

key

for

longer

than

second

in-

itiate

VFO

scan.

Press

the

key

after

scan

has

been

in-

itiated

will

cause

scan

stop.

key

This

key

used

select

Memory

Recall

operation

af-

ter

operating

the

VFO

CALL

channel

mode.

The

MAIN

Tuning

control

may

used

select

the

desired

Microphone

audio—_

PTT

(STBY)

switch

memory

channel

this

mode.

Press

and

hold

the

key

for

longer

than

second

in-

itiate

scan.

Press

the

key

after

scan

has

been

in-

itiated

will

cause

scan

stop.

VOL

control/Power

switch

The

volume

control

and

power

switch

are

combined.

Rotating

the

control

clockwise

will

turn

the

tran-

sceiver.

Advancing

the

control

further

clockwise

will

increase

the

total

volume

two

bands.

The

BALANCE

control

proportions

the

volume

among

the

two

bands.

MAIN

SQL

control

This

control

used

select

the

desired

SQL

threshold

level

the

MAIN

frequency

band.

Microphone

connector

Plug

the

standard

optional

microphone

into

this

jack.

GND

(PTT)

GND

(Microphone)

Audio

output

(Approx.

100

mV/10

kQ)

DOWN

V/Max.

Front

view

®7=

®=

ALB.

DUAL

BAND

CTCSS.

SEI

eee

edie

pee

3...

Nee

©)

® ®

MHz

key

This

key

used

change

frequency

MHz

steps

during

VFO

operations.

Pressing

and

holding

the

key

will

continuously

change

the

frequency

MHz

steps.

Sub

Tuning

control

This

control

used

select

the

desired

receive

fre-

quency

and

Memory

channel

the

SUB

band.

LOCK

switch

This

key

will

deactivate

all

functions

except

the

PTT

switch.

BALANCE

control

This

control

proportions

the

total

audio

volume

among

the

two

bands.

MAIN

position

Audio

only

from

the

MAIN

band

Center

position

Equal

audio

from

both

bands

SUB

position

Audio

only

from

the

SUB

band

SUB

SQL

control

This

control

used

select

the

desired

SQL

threshold

level

the

SUB

band.

LOW

key

This

key

used

select

the

transmit

output

power

level

follows:

(no

indicator):

144

MHz:50

W/220

MHz:25

430

MHz:35

LOW

DIM

key

This

key

used

select

either

high

low

intensity

both

the

LCD

display

and

control's

illuminations.

For

the

key

function,

must

pressed

within

se-

conds

after

pressing

the

key.

A.B.C.

(Automatic

Band

Change)

When

this

key

pressed,

the

contents

the

SUB

band

will

transfered

the

MAIN

band

whenever

signal

received

the

SUB

band

antenna,

which

strong

enough

open

the

squelch.

The

contents

the

MAIN

band

are

transfered

the

SUB

band

the

same

time.

DUAL

band

This

key

used

turn

the

SUB

band

OFF.

CTCSS

SEL

(With

the

TSU-6)

Pressing

the

key

within

seconds

pressing

the

key

will

switch

the

CTCSS

function

alternately

between

the

UHF

band

and

VHF

band.

(To

activate

the

CTCSS

func-

tion

use

the

CTCSS

key.)

During

scan

press

the

key

initiate

double

scan.

BAND

key

This

key

used

change

the

contents

the

MAIN

band.

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