Kenwood TS-930S User manual

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7

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>

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vu

wm

z

<

ce

=

Mae

x

SS

ee

ee

AFTER

UNPACKING

It

is

advisabte

to

save

all

original

packing

cartons

(inner

and

outer]

to

protect

your

valuable

transceiver

from

damage

should

you

wish

to

transport

it

for

remote

operation

or

ship

it

for

after-sales

service.

The

following

explicit

definitions

apply

in

this

manual.

Be

sure

to

read

these

definitions:

NOTE:

if

distegarded,

inconvenience

only

—

no

damage

or

personal

injury.

NOTE:

This

manual

covers

the

TS-930S

with

the

AT-930

Automatic

antenna

tuner

installed.

If

your

transceiver

dees

not

contain

the

AT-930,

please

disregard

any

mention

of

Automatic

antenna

tuner

operation.

CAUTION:

———___--

Read

Operating

Manual

Section

§

before

placing

transmit-

CAUTION:

—

Equipment

damage

may

occur,

but

not

per-

Horintsorvices

sonal

injury.

CONTENTS

SECTION

1.

SPECIFICATIONS

0.00.0.

Re

5.3

Transmission

(1)

SECTION

2.

INTRODUCTION

AND

FEATURES

5

5.4

Transmission

(Il)

SECTION

3.

{INSTALLATION

3.1.

Unpacking

3.2

Operating

precautions

3.3

Operating

Location

3.4

Cabling

3.5

Microphone

3.6

Key

3.7

External

Speaker

and

Headphones

3.8

Ground

3.9.

Antenna

SECTION

4.

CONTROLS

AND

THEIR

FUNCTIONS

10

4.1

Front Panel

4.2

Rear

Panel

SECTION

5.

OPERATION

5.1

Reception

(I)

(1)

Basic

Procedures

for

Receive

Operation

{2),

WWV

Reception

5.2

Reception

(1D

(i)

RE

ATT

Switch

(2)

RF

Gain

Controt

(3)

AGC

(Automatic

Gain

Control)

{4}

RIT

(5)

SSB

SLOPE

TUNE

Control

(6)

CW

VBT

Control

{7}

Notch

Control

{8}

AF

TUNE

Circuit

(9)

Noise

Blanker

(NB}

14

5.5

BAND

Switch

5.6

Two VFO

Operation

5.7

MEMORY

CH

Operation

5.8

TF

SET

Operation

5.9

COOLING

FAN

Operation

5.10

SHORT

WAVE

RECEPTION

SECTION

6.

OPTIONAL

ACCESSORIES

_..........

22

6.1

PERIPHERAL

Devices

and

Options

6.2

Installation

of

Accessories

6.3

Optional

Fitter

Installation

6.4

AT-930

Installation

6.5

Remote

Control

Wiring

SECTION

7.

CIRCUIT

DESCRIPTION

|...

33

7.1

BLOCK

DIAGRAM

7.2

Units

7.3

Auto

Antenna

Tuner

SECTION

8.

MAINTENANCE

AND

ALIGNMENT

85

8.1

Preparation

8.2

Adjustments

8.3.

Maintenance

8.4

Transmitting

WARC

bands

SECTION

9.

TROUBLESHOOTING

|...

2.0.

000..37

SECTION

10.

INTERNAL

VIEWS.

38

SECTION

11.

BLOCK

DIAGRAM

39

SECTION

12.

SCHEMATIC

DIAGRAM

40

(a

SECTION

1.

SPECIFICATIONS

_

|

i

[GENERAL]

Transmitter

Frequency

Range:

Receiver

Frequency

Range:

Mode:

Antenna

Impedance:

With

AT-930

antenna

tuner

Power

Requirement:

Power

Dissipation:

Dimensions:

Weight:

[TRANSMITTER]

Final

Power

Input:

Cartier

Suppression:

Unwanted

Sideband

Suppression:

Harmonic

Content:

Audio

Frequency

Response:

Modulation:

FSK

Shift:

Modutation

Distortion:

FSK

Shift:

Modulation

Distortion:

Microphone

impedance:

ALC

Input:

Linear

Amplifier

Switching:

160

m

Band

1.8

~2.0

Miz

80

m

Band

3.5~

4.0

MHz

40

m

Band

7.0~7.3

MHz

30m

Band

10.1~10.15

MHz

(10.0

MHz

WWV)

20m

Band

14,0~14.35

MHz

17

m

Band

18.068

~

18.768

MHz

15m

Band

21.0~21.45

MHz

12

m

Band

24.89

~

24.99

MHz

10m

Band

28.0~29.7

MHz

150

kHz

-

30

MHz

A3J

(USB,

LSB},

A1

(CW),

F1

{FSK),

A3

(AM)

50

ohms

20

-

150

ohms

(80

-

10

meter

Amateur

bands

only.

However,

30~

100

ohms

for

18

MHz

and

24.5

MHz.)

120/220/240

VAC,

50/60

Hz

Max.

510

W

during

transmis-

sion,

80

W

during

reception

374(14-3/41Wx

141

{5-9/1

61H

x

360(13-13/16

ID

mm

finches)

With

antenna

tuner:

Approx.

18.5

kg

(40.8

Ibs}

Without

antenna

tuner:

Approx.

18.8

kg

(37.0

Ibs}

SSB/CW/FSK

250

W

AM

80

W

Better

than

40

dB

Better

than

50

dB

(with 1

kHz

modulation)

Less

than

—40

dB

400

-

2,600

Hz/-6

4B

$S8:

Balanced

modulation

AM:

Low

fevel

modulation

{tF

stage)

170

Hz

Less than

—31

dB

170

Hz

Less

than

—31

dB

500

ohms

~

SO

kohms

—10

V

DC

MAX

200

V

DC

MAX

100

mA

[RECEIVER]

Circuitry:

Intermediaté

Frequencies:

Sensitivity

fat

10

dB

S+N/N}

150

-

500

kHz:

$00

kHz

-

1.8

MHz:

1.8

-

30

MHz:

Image

Ratio:

IF

Rejection:

Selectivity

Quadruple

conversion

IstiF:

44.93

MHz

2nd

IF:

8.83

MHz

3rd

IF:

455

kHz

4th

IF:

100

kHz

Less

than

1

pV

for

SSB,

CW

and

FSK

Less

than

10

xV

for

AM

Less

than

4

xV

for

SSB,

CW

and

FSK

Less

than

32

xV

for

AM

Less than

0.25

pV

for

SSB,

CW

and

FSK

Less

than

2

xV

for

AM

More

than

80

dB

(1.8

MHz~30

MHz)

Mote

than

70

dB

(1.8

MHz~30

MHz)

(W-wide,

N-narrow

filter

selection}

SSB,

CWIW},

FSKIWI,

AMIN):

CWIN),

FSKIN}:

AMIW):

SSB

Slope

Tune:

CW

VBT

CWIW),

FSK(WI

AMIN):

CWIN),

FSK(N}:

AMIW):

2.7

kHz/—6

aB,

4.0

kHz/—60

dB

Without

optional

filter:

same

as.

CW{W),

FSK(W)

With

optional

YG-455C-1:

500

Hz/—6

dB,

820

Hz/-60

dB

With

optional

YG-455CN-1;

250

Hz/—6

dB,

480

Hz/-—60

dB

With

optional

YK-88C-1:

500

Hz/—6

dB,

1.5

kHz/—60

4B

Without

optional

filter:

6

kH2z/-6

dB,

18

kHz/—60

dB

With

optional

YK-88A-1:

6

kHz/—6

dB,

71

kHz/—60

¢B

High-cut:

More

than

1500

Hz

shift/—6

dB

Low-cut:

More

than

700

Hz

shift/—6

dB

600

Hz

~

2.7

kHz/~6

dB

Without

optional

filter:

same

as

CwiW),

FSKIW}

With

optiona!

YK-88C-7

and

YG-455C-t

installed:

150

Hz~500

Hz

—6

d8

With

optional

YK-88A-1:

4

kHz~6

kHz/—6

dB

Frequency

Stability:

Frequency

Accuracy:

RIT

Variable

Range:

Notch

Filter

Attenuation:

Phone

Patch

Output

Z:

Audio

Output

Power:

Within

4200

Hz

during

the

first

hour

after

turn-en

Within

430

Hz

any

30

minute

period

thereafter

at

constant

temperature

+1

10°

or

better

(at

normal

temperatures}

49.99

kHz

More

than

40

dB

600

2

More

than

1.5

W

across

8

2

{at

10%

distortion)

NOTE:

The

circuit

and

ratings

may

change

without

notice

due

to

developments

in

technology.

AT-930

(Automatic

Antenna

Tuner)

Frequency

Range:

Amateur

bands

from

80~10m

input

Impedance:

50

Q,

unbalanced

Output

Impedance:

20~

150

2

unbalanced

insertion

Loss:

Less

than

1

dB

at

3.5

MHz

(at

optimum

match}

Through

Power:

150

W

max.

Motor

Stop

SWR

Value:

Less

than

1.2

(oie

SECTION

2.

2.1

KENWOOD

TS-930S

The

TS-930S

is

@

highly

sophisticated

alt-solid

state

transceiver

operating

on

all

Amateur

bands

between

1.8

and

29.7

MHz,

and

a

general

coverage

short

wave

receiver

covering

the

150

kHz

to

30

MHz

range.

The

TS-930S

in-

cludes

many

built-in

features

usually

found

as

extras

on

other

transceivers.

Inchided

are

VOX,

100

kHz

calibrator,

RIT,

RF

attenuator,

two

VFO's

and

two

effective

noise

blankers.

The

TS-930S

also

includes

automatic

gain

con-

tvol

(AGC),

automatic

level

controt

(ALC),

full:

and

semi-

break-in

CW

with

sidetone,

an

RF

speech

processor,

speaker,

built-in

AC

power

supply

and

an

optional

built-in

automatic

antenna

tuner.

Designed

for

operation

on

SSB,

AM,

FSK

or

CW,

the

TS-930S

delivers

more

than

250

watts

PEP

input.

Any

complicated

electronic

device

may

be

damaged

if

operated

incorrectly,

and

this

transceiver

is

no

exception.

Please

read

all

of

the

operating

instructions

before

putting

your

TS-930S

on

the

air.

2.2

FEATURES

+

160-10

Meters,

Coverage

Receiver

Covers

all

Amateur

frequencies

from

160-10

meters,

including

the

new

WARC,

30,

17,

and

12

meter

bands,

on

SSB,

CW,

FSK,

and

AM.

Features

an

excellent

150

kHz

—

30

MHz

generat

coverage

receiver.

Separate

Amateur

band

access

keys

allow

speedy

band

selection,

and

an

UP/DOWN

bandswitch

changes

in

1

MHz

steps.

A

new,

innovative,

quadrupte

conversion,

digital

PLL

synthesized

circuit

provides

superior

frequen-

cy

accuracy

and

stability,

plus

greatly

enhanced

selec-

tivity.

with

150

kHz

—

30

MHz

General

*

Excellent

Receiver

Dynamic

Range

The

use

of

dual

2SK125

J

FET’s

in

a

unique

parallel

RF

amplifier

circuit,

followed

by

two

2SK125's

each,

operated

push-pull,

in

the

1st

mixer,

buffer

amplifier,

and

2nd

mixer

circuits

results

in

outstanding

two-signal

characteristics

and

@

substantially

improved

noise

floor

tevel.

Typical

two-tone

dynamic

range

performance

for

the

receiver

section

is

100

dB

(20

meters,

500

Hz

CW

bandwidth

at

sensitivity

of

0.25

nv,

S/N

10

dB.),

with

an

overall

intercept

point

of

+10

dBm,

a

noise

floor

level

of

—140

dBm,

and

a

blocking

dynamic

tange

of

135

dB

(20

meter,

CW

bandwidth),

Dual

Mode

Noise

Blanker

(“Pulse’’

or

“Woodpecker’’)

NB-1,

with

threshold

control,

for

pulse-type

noise.

NB-2

for

longer

duration

“woodpecker”

type

noise.

INTRODUCTION

AND

FEATURES

SSB

IF

Slope

Tuning

Allows

independent

adjustment

of

the

low

and/or

high

frequency

slopes

of

the

iF

passband,

for

best

interference

rejection.

CW

VBT

and

Pitch

Controls

The

CW

VBT

(Variable

Bandwidth

Tuning)

contro!

tunes

out

interfering

signals.

The

CW

pitch

contro!

shifts

the

IF

passband

and

simultaneously

changes,

both

the

received

beat

frequency

and

sidetone

pitch.

A

“Natrow/

Wide"

filter

selector

switch

is

provided.

IF

Notch

Filter

100

kHz

tuneable

IF

notch

provides

2

deep,

sharp,

notch,

to

better

than

—40

d8.

SSB

slope

tuning,

CW

VBT,

or

pitch

controls

do

not

affect

the

notch

frequency.

Built-in

Audio

Filter

Tuneable,

peak-type

audio

filter

for

CW.

Peak

center

frequency

is

approximately

800Hz,

adjustable

+400

Hz.

All

Solid

State,

28

Volt

Operated

Final

Amplifier

The

final

amplifier

operates

on

28

V

DC

for

the

lowest

possible

IM

distortion

(3rd

order

IMD

~37

dB,

typical).

Power

input

is

rated

at

250

W

PEP

on

SSB,

250

W

DC

on

CW

and

FSK,

and

80

W

DC

on

AM.

RF

Power

is

sup-

plied

by

two

Motorola

MRF-422

RF

power

transistors

(Pe=290

Wieach)

operating

push-pull.

Final

amplifier

protection

circuits,

cooling

fan,

and

an

SWR/Power

meter

are

built-in,

Automatic

Antenna

Tuner,

Built-In

Available

with

the

AT-930

Antenna

tuner

either

built-in,

or as

an

option,

which

covers

the

80-10

meter

amateur

bands,

including

the

new

WARC

bands.

The

tuning

range

is

automatically

pre-set

AT

band

selection

to

minimize

tuning

time.

Impedance

matching

capability

is

20

to

150

chms,

unbalanced.

An

“AUTO-THRU’’

switch

is

provided

on

the

front

panel.

CW

Full

Break-In

The

CW

Full

Break-in

circuit

uses

CMOS

togic

plus

reed

telays

for

maximum

flexibility,

coupled

with

smooth,

quiet

operation.

Front

panel

switchable

to

semi-break-in,

RF

Speech

Processor

An

RF

clipper

provides

higher

average

“‘talk-power’’,

plus

improved

intelligibility.

Separate

“INPUT”

and

“OUTPUT”

front

panel

level

controls.

Dual

Digitat

VFO’s

10 Hz

step

dual

digital

VFO’s

include

the

band.

Mode

selector

for

split

frequency

or

cross-band

operation.

Each

VFO

continuously

tunes

the

full

receiver

range.

A

large,

heavy,

flywheel-type

knob

is

used

for

ease

of

tun-

ing.

The

T.F.

Set

switch

allows

fast

transmit

frequency

setting

for

split-frequency

operations.

An

A=B

switch

is

provided

for

equalizing

one

VFO

frequency

to

the

other.

A

VFO

‘Lock’?

switch

is

provided.

The

RIT

control

allows

+9.9

kHz

receive

frequency

shift.

Automatic

VFO

Step

change

Tuning

faster

than

5.5~6.5

revolutions/second

increases

the

tuning

rate

for

easy

OSY.

Eight

Memory

Channels

These

store

both

frequency

and

band.

VFO-MEMO

switch

allows

use

of

each

memory

as

either

an

indepen-

dent

VFO,

(the

originat

memory

frequency

can

be

recall-

ed

at

will),

or

as

a

fixed

frequency.

Internal

battery

memory

back-up,

estimated

1

year

life.

(Three

“AA”

batteries

not

Kenwood

supplied).

Fluorescent

Tube

Digital

Display

Six

digit

fluorescent

tube

digital

display

has

an

analog

type

sub-scale

with

20

kHz

increment

markers.

A

separate

2

digit

display

always

indicates

RIT

frequency

shift,

The

display

also

indicates

VFO

“A”

or

“B™,

Memory

channel

operation,

RIT

“ON

and

VFO

“LOCK”.

AC

Power

Supply

Bulltin

120,

220,

or

240

V

AC,

switch

selected.

{operates

on

AC

only}.

Separate

automatic

fan

provided

to

force-cool

the

power

supply.

‘Other

Features:

*

SSB

monitor

circuit,

3

step

RF

attenuator,

VOX,

and

100

kHz

marker

©

2.4

kHz

SSB

and

6

kHz

AM

filters

built-in

*

Display

and

meter

dimmer

switch

Optional

Equipment:

*

AT-930

Automatic

antenna

tuner

©

SP-930

External

speaker

with

selectable

audio

filters

*

YG-455C-1

(500

Hz)

or

YG-455CN-1

(250

Hz}

plug-

in

456

kHz

CW

filters

*

YK-88C-1

(500

Hz}

CW

and/or

YK-BBA-1

{6

kHz)

AM

plug-in

8.83

MHz

filters

*

MC-60A

Deluxe

desk

microphone

with

PTT,

PTT

lock,

and

UP/DOWN

switches

©

71-922(A)

The

linear

amplifier

TL-922A.

(without

10m

band)

is

available

only

in

U.S.A.

*

SM-220

Station

monitor

for

transmit,

receive,

and

trapazoid

displays

©

PCIA

Hybrid

phone

patch

©

HC-10

Digital

World

Clock

*

HS-6,

HS-5,

(Deluxe

through

standard)

headphones

HS-4,

IMPORTANT

The

MC-60A

has

a

built-in

amplifier.

When

using

the

microphone

connected

to

the

¥S$-930S,

be

sure

to

set

the

MC-60A

MIC

AMP

switch

to

OUT.

With

the

MIC

AMP

switch

set

to

IN,

the

microphone

output

level

exceeds

the

rated

input

level

of

the

TS-9305.

————

SECTION

3.

INSTALLATION.

3.1

UNPACKING

Remove

the

TS-930S

fram

its

shipping

container

and

packing

materiat

and

examine

it

for

visible

damage.

{f

the

equipment

has

been

damaged

in

shipment,

notify

the

transportation

company

immediately.

Save

the

boxes

and

packing

material

for

future

shipping.

The

following

accessories

should

be

included

with

the

transceiver.

.

Instruction

Manual

(B50-3959-20]

.

Speaker

Plug

1/8“

(E12-0001-05)

.

7

Pin

DIN

Plug

{E07-0751-08)

...

.

8

Pin

MIC

Plug

(E07-0852-05)...

.

Fuse

(6A)

(FOS-6021-05)

or

{4A)

(FO5-4022-05)

..

.

Power

cable

Arona

o

3.2

OPERATING

PRECAUTIONS:

READ

BEFORE

OPERATING

It

is

suggested

you

read

this

instruction

manual

carefully

before

attempting

operation

with

your

new

TS-930S,

and

that

you

follow

the

suggested

operating

procedures.

Especially

note

that

the

final

amplifier

power

transistors

might

be

damaged

during

transmission

if

the

transceiver

is

operated

into

an

improper

load.

Observe

the

following

transmitter

precautions:

1.

If

the

buitt-in

antenna

tuner

is

used,

operate

only

after

automatic

tuning

is

completed,

tuning

must

be

perform-

ed with

the

MODE

switch

at

the

TUNE

position.

2.

Use

only

a

resonant,

50

2

antenna

which

is

adjusted

for

an

SWR

of

1.5

or

less.

3.

DO

NOT

transmit

without

an

Antenna

or

Dummy

Load.

3.3

OPERATING

LOCATION

As

with

any

solid

state

electronic

equipment,

the

TS-930S

should

be

kept

from

extremes

of

heat

and

humidity.

Choose

an

operating

location

that

is

dry

and

cool,

and

avoid

operating

the

transceiver

in

direct

sunlight.

Atso,

allow

at

least

3

inches

clearance

between

the

back

of

the

equipment

to

any

object.

This

space

allows

an

adequate

air

flow

from

the

ventilating

fans

to

keep

the

transceiver

cool.

CAUTION:

Do

not

operate

the

radio

in

an

RF

Field

greater

than

6

V

RF

Receiver

damage

may

occur.

3.4

CABLING

(See

Figure

3-2.}

i@

GROUND

To

prevent

electric

shock,

and

reduce

the

possibility

of

TVI

and

BCI,

connect

the

transceiver

to

a

good

earth

ground,

through

as

short

and

heavy

a

lead

as

possible.

Use

ground

rods

or

metal

cold

water

feedline,

NOTE:

‘A

ground

connection

greater

than

1/4

away

from

the

transceiver

may

be

a

good

OC

ground,

but

NOT

an

AF

Ground,

i

ANTENNA

Connect

through

a

50

ohm

antenna

feedtine

to

the

coaxiat

connector

on

the

rear

panel.

@

KEY

if

CW

operation

is

desired,

connect

a

key

to

the

KEY

jack.

Use

shielded

line

or

coaxial

cable.

@

POWER

CONNECTIONS

:

Make

sure

the

POWER

switch

on

the

front

panel

is

turned

off,

the

stand-by

switch

is

in

the

REC

position,

the

VOX

is

off,

and

the

line

voltage

is

correct.

Then

connect

the

power

cord

to

the

line

source.

@

AC

POWER

For

fixed

station

operation,

the

TS-930S

is

supplied

to

operate

from

a

120V

AC,

220

VAC

or

240

VAC

50/

60

Hz

pqwer

source

capable

of

supplying

510

watts

or

more.

For

units

shipped

to

the

U.S.A.,

the

switch

is

set

at

120

with

a

6-ampere

fuse

installed.

For

units

shipped

to

the

European,

Central

and

South

American,

and

African

countries,

the

switch

is

set

at

220

with

a

4-ampere

fuse

installed.

For

units

shipped

to

the

Oceanian

countries,

the

switch

is

set

at

240

with

a

4-ampere

fuse

installed.

For

AC

220-240

yore

Fig.

3-18

Fuse

replacement

3.5

MICROPHONE

Attach

the

microphone

connector

microphone,

as

shown

circuit,

as

shown

in

Figure

3-2A.

in

Figure

3-2.

Be

sure:

the

microphone

PTT

switch

is

separate

from

the

microphone

Note

that

a

microphone

using

a

common

ground

terminal

should

not

be

used,

to

prevent

ground

loops

and

unwanted

switching

noise.

The

microphone

input

is

designed

for

5002

~

50k?

microphones.

Normally,

use

it

at

600Q.

The

choice

of

microphone

is

important

for

good

speech

quality,

and

to

a

suitable

Headphones

Micron!

Miciuphane

wioonnane

P|

=

Trarotorme

t

~

é

£

swine

fe}

not

this

Monitor

scope

SM-220

Can

be

used

Antenna

‘Microphone

———————

fither

@

low

or

high

impedance

microphone

{500

2-50

kQ)

can

be

:

Used,

The

E-LT.

switch

should

be

isolated

from

the

mic

circuit

{shown

in

“A‘}),

Use

a

microphone

with

a

separate

switch

and

MIC

fine

so

both

P.5.T.

and

VOX

are

available.

{8}

and

TX

monitor

:

Use

headphone

of

4

to

162

im-

}

pedance.

The

optional

HS-4,

HS-5

or

HS-6

headphones

are

best

suited

for

use

with

the

TS-930S.

Stereo-tyoe

headphones

can

also

be

used.

View

from

cord

side

oe

x}

Tsea0¢

‘Microphone

.

Microphone

connector

=

1

External

speaker

Besides

the

builtin

Key

ie

spesker,

an

external

For

CW

operation,

con

speaker

can

also

be

—_-nect

yourkey

to

the

KEY

jack.

Use

shielded

cable.

Open

terminal

voltage

is

approx,

10

VDC

(>.

thet

used.

Connect

to

the

rear

EXT

SP

jack

using

the

suppliod

plug.

for

RX

cf

To

other

To

t

RCVR

Earth

It

is

recommended

that

a

ground

lead

be

connected

to

tho

rear

panel

GND

termina

to

prevent

the

possibility

of

electric

shock.

TVI

and

BCI.

Use

as

short

and

heavy

a

lead

as

possibte.

GND

terminal

ransverter

To

tinear

amplifier

Use

the

supplied

power

cable

Fig.

3-2

CONNECTION

should

be

given

serious

consideration.

The

crystal

lattice

filters

in

the

transceiver

provides

all

the

restriction

necessary

on

audio

response,

and

further

restriction

in

the

microphone

is

not

required.

It

is

more

important

to

have

a

microphone

with

a

smooth,

flat

response

throughout

the

speech

range.

Follow

the

microphone

manufacturer's

instsuctions

for

connecting

the

microphone

cable

to

the

plug.

With

many

microphones,

the

push-to-talk

button

must

be

pressed

to

make

microphone

audio

available.

For

VOX

operation,

this

unwanted

feature

may

be

eliminated,

if

desired,

by

opening

the

microphone

case

and

permanently

bridging

the

contacts

which

control

the

microphone

audio.

Standard

microphone

sensitivity

is

within

the

range

of

—50

dB

to

—60

dB.

If

a

microphone

having

a

higher

sensitivity

is

used,

the

ALC

and

compressor

circuits

may

not

function

properly.

In

this

case,

insert

in

the

mike

line

an

attenuator

as

shown

in

Fig.

3-2C.

A

typical

MIC

gain

control

setting

is

12

o'clock.

If

you

must

rim

this

control

at

9

o'clock

or

less,

use

an

attenuator.

3.6

KEY

If

CW

operation

is

desired,

connect

a

key

to

the

KEY

jack.

Use

shielded

cable,

and

a

standard

{mono

or

2P)

phone

plug.

3.7

EXTERNAL

SPEAKER

AND

HEADPHONES

Receive

audio

output

from

the

TS-930S

is

1.5

watts

at

4

to

16

ohms.

The

TS-930S

has

a

built-in

the

speaker,

plus

an

external

speaker

jack

on

the

reat

panel.

The

speaker

may

be

an

8-ohm

permanent-magnet

type,

4

inches

or

larger.

The

internal

speaker

is

disconnected

when

an

exter-

nal

speaker

is

used.

Headphones

should

also

be

4

to

16

ohms

impedance.

When

the

headphones

are

connected

to

the

front-panel

PHONES

jack,

the

speaker

is

disabled.

3.8

GROUND

To

prevent

electric

shock,

and

reduce

the

possibility

of

TVE

and

BCI,

connect

the

transceiver

to

a

goad

earth

ground

through

as

short

and

heavy

a

lead

as

possible.

3.9

ANTENNA

Any

of

the

common

antenna

systems

designed

for

use

on

the

high

frequency

amateur

bands

may

be

used

with

the

TS-930S,

provided

the

input

impedance

of

the

transmis-

sion

line

is

not

outside

the

capability

of

the

AT-930

Automatic

Antenna

Tuner

pi-output

matching

network.

The

transmission

line

should

be

coaxial

cable.

An

antenna

system

which

shows

a

standing

wave

ratio

of

less

than

1.5:1

when

using

50

ohm

coaxial

transmission

line,

or

a

system

that

results

in

a

transmission

line

input

impedance

that

is

essentially

resistive,

and

between

20

and

150

ohms

will

take

power

from

the

transceiver

through

the

AT-930.

If

open

wire

or

balanced

type

transmission

fine

is

used

with

the

antenna,

a

suitable

antenna

tuner

with

balun

is

recom-

mended

between

the

transceiver

and

the

feed

line.

Methods

of

construction

and

operating

such

tuners

are

described

in

detail

in

the

ARRL

Antenna

Handbook,

or

similar

publications.

For

operation-on

the

160,

75

and

40

meter

bands,

a

simple

dipale

antenna,

cut

to

resonance

in

the

most

used

portion

af

the

band,

will

perform

satisfac-

torily.

For

operation

on

the

10,

15

and

20

meter

bands,

the

efficiency

of

the

station

will

be

greatly

increased

if

a

good

directional

rotary

antenna

is

used.

Remember

that

even

the

most

sophisticated

transceiver

is

useless

without

a

good

antenna.

CAUTION:

Protect

your

Equipment

~

Use

a

LIGHTING

ARRESTOR

SECTION

4.

CONTROLS

AND

THEIR

FUNCTIONS

|

3)

(19

Gp

iD

0

Mo

ogao

FRONT

PANEL

@

Meter

—

AP

@

METER

switch

(1

5p

@

MIC

(rnicrophone

gain)

conteot

(T)

©

@

CAR

(cartier

level)

controt

(T}

@

Frequency

display

®

Tooing

knob

20

G

BAND

switch

49,

@

1

Miz

step

switch

“)

@

D.

LOCK

switch

8B

VEO

A

indicator

@

VFO

8

indicator

BY

@

MEMO

Imemory}

indicator

@

RIT

indicator

(A)

@®

ON

AIR

indicator

(T}

(3

ANT

TUNE

(antenna-tuned

indicator

(T)

NOTCH

indicator

{R}

FUNCTION

switch

A=B

switch

TE-SET

switch

VFO/MEMO

(memory)

selector

MEMORY

CH

selector

MIN

(memory

write}

ewiteh

MR

(memory

recall)

switch

NB

1

(noise

blanker

1)

switch

(RI

NB

LEVEL

control

(Ft

NB

2

(noise

blanker

2)

switch

(A)

RIT

switch

{RI

RIT

contrat

{Rl

RIT-CLEAR

switch

(A)

NOTCH

switch

(Ft

NOTCH

contro!

{R}

AF

TUNE

switch

(RD

AF

TUNE

contra!

(R}

VOX

switch

(T}

CW

break-in selector

(TF

VOX

GAIN

contro!

{T}

ANTI

VOX

conteol

(T)

DELAY

contro!

(7)

@®

PROC

Iprocessor}

switch

(T}

HD

@

PROCESSOR-N

(input

level)

control

(T)

|

@

PROCESSOR-OUT

(output

level}

control

{T}

@

POWER

ewiteh

—

@

Mow

(moniton

switch

(77

,

@

DIM

(dimmer

switch

@

Standby

switch

)

@

Auto

Antenna

Tuner

switch

{TI

~

@)

NAR/WIDE

filter

bandwidth

selector

{R

2B

@

AGC

switch

(Rt

BOSSQLOOSVOISHSSSSIIIQSOS

55

@

PHONES

(headphones!

jack

(Ri

@

MIC

(microphone)

connector

(8

Pin}

(7)

18

&

MODE

switch

@

RF

ATT

(RF

attenuator

switch

(RY

AF

(AF

gain!

contra!

(R)

RF

(RF

gain)

control

(R)

CW

VAT

contro!

(R}

SSB

SLOPE

TUNE

control

(R}

6D

DIAL

LOCK

switch

@

PITCH

control

(F}

CAL

(marker)

switch

(R)

Battery

(memory

backup)

compartment

@

ANTENNA

CONNECTOR

@

GND

(ground

terminal)

@

RX.

ANT

output

switch

@

RX.

ANT

termine!

@

X.

VERTER

{transverten

terminal

@

REMOTE

CONNECTOR

@

IF

OUT

jack

(RE

@

PHONE

PATCH

jacks

@

ATTY

KEY

jack

(T}

(®

Power

connector

@

AC

FUSE

@Q

EXT.

SP

Ispeaker!

jack

(RI

@®

CW.

KEY

jack

(7)

@

Cooling

fan

(final

section}

9

Cooling

fan

(power

supply]