Kenwood KA-990 User manual

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:

NEW

HIGH

SPEED

STEREO

‘

INTEGRATED

AMPLIFIER

INSTRUCTION

MANUAL

KENWOOD

PRINTED

IN

JAPAN

B50-4534-00

(U,M,UE,H,X)

(T)

ON/384

D12345/454

ARMA

Before

applying

power

i

7

Important!

U.S.A.

and

Canada

All

other

countries

Units

shipped

to

the

U.S.A.

and

Canada

are

Units

shipped

to

countries

other

than

the

U.S.A.

designed

for

operation

on

120

volts

AC

only.

and

Canada

are

equipped

with

an

AC

voltage

These

units

are

not

equipped

with

AC

voltage

selector

switch

on

the

rear

panel.

selector

switch

and

the

discussion

of

such

a

Refer

to

the

following

paragraph

for

the

proper

switch

that

follows

should

be

disregarded.

setting

of

this

switch.

Lg

ek

AC

voltage

selection

This

unit

operates

on

120

volts,

220

volts

or

240

volts

AC.

The

AC

voltage

selector

switch

on

the

rear

panel

is

set

to

the

voltage

that

prevails

in

the

area

For

United

Kingdom

The

mains

plug

must

be

removed

from

the

wall

socket

prior

to

any

internal

examination.

to

which

the

unit

is

shipped.

Before

connecting

the

Important

power

cord

to

your

AC

outlet,

make

sure

that

the

set-

The

wires

in

this

mains

lead

are

coloured

in

accordance

ting

position

of

this

switch

matches

your

line

voltage.

If

with

the

following

code:

not,

it

must

be

set

to

your

voltage

in

accordance

with

BUG

taint.

tubs

ioraires

Radaeedecnesa,

Neutral

the

following

direction.

BROWN

sxescsaart

ocdeeaapnsatas

canadien

ts

Live

Note:

Our

warranty

does

not

cover

damage

caused

by

excessive

line

The

wires

in

this

mains

lead

must

be

connected

to

the

voltage

due

to

improper

setting

of

the

AC

voltage

selector

switch.

terminals

in

the

plug

as

follows:

Wire

Colour

Plug

Terminal

Marking

BG

acess

sone

ian

va

ondpaseshaeane:

N

or

Black

Stopper

plate

Lever

Screw

TOWN

tends

snincncan

SAwa

ss

awk

td

nantly

L

or

Red

AC120

A

prmcmics

Biece

2a0V

a

SET

|

AC

120V~

Setting

©

CJ

OC

i,

©

C)

E

eee

Brown

to

AC1

ZO]

ACEEOY

AC240V

Live

AC

220V~

®

OC

® O

©

\

Blue

to

Setting

Neutral

c120V

AC220V AC2ADV

AC

240V~

———_

Plug

Setting

®

0

C)

@

@

Notes:

1)

tf

a

13-amp

plug

is

used,

this

must

be

fitted

with

a

5-amp

fuse.

:

avec

oa

nga

2)

\f

a

3-pin

piug

with

earthing

contact

is

used,

no

wire

must

be

con-

3.

Lock

levers

with

stopper

plate

and

nected

to

the

E

terminal

screws.

ae

ae

a

WARNING:

voitage

serector

Swi

on

TO

PREVENT

FIRE

OR

SHOCK

HAZARD,

DO

NOT

EXPOSE

THIS

Safety

precautions

APPLIANCE

TO

RAIN

OR

MOISTURE.

CAUTION

CAUTION:

TO

REDUCE

THE

RISK

OF

ELECTRIC

SHOCK,

DO

NOT

REMOVE

COVER

(OR

BACK).

NO

USER-SERVICEABLE

PARTS

INSIDE.

REFER

SERVICING

TO

RISK

OF

ELECTRIC

SHOCK

DO

Neyme)a

=)

QUALIFIED

SERVICE

PERSONNEL.

The

lightning

flash

with

arrowhead

symbol,

within

an

equilateral

triangle,

is

intended

to

alert

the

user

of

the

presence

of

uninsulated

‘‘dangerous

voltage’’

within

the

product's

enclosure;

that

may

be

of

sufficient

magnitude

to

constitute

a

risk

of

electric

shock

to

persons.

:

The

exclamation

point

within

an

equilateral

triangle

is

intended

to

alert

the

user

of

the

presence

of

important

operating

and

maintenance

(servicing)

instructions

in

the

literature

accompanying

the

appliance.

2

KA-990(U)

Contents

Before

applying

POWE!

..........

cece

ee

reece

2

Safety

precautions

............cccee

ee

cee

ee

see

eet

eet

eee

eee

2

Before

Operation

.....

0...

eee

sere

eee

e

eet

e

eee

e

ees

3

System

CONNECTIONS

........

2

ec

cece

een

es

4

Controls,

indicators

and

connectors

...............:.60ee

6

Operating

instrUCtiOns...........

eee

eee

ee ee

eee

eee

eee

es

8

In

case

of

difficulty

00.0.0...

ccc

cece

ccc

ee

cece

eee

neee

eens

10

SPOCiiCBtIONS

cc

svees

duseeeticesnd

ceiV

eos

ec

edeyeode

ones

11

For

your

records

Record

the

serial

number,

found

on

the

back

of

the

unit,

in

the

spaces

designated

on

the

warranty

card,

and

in

the

space

provided

below.

Refer

to

the

model

and

serial

numbers

whenever

you

call

upon

your

dealer

for

infor-

mation

or

service

on

this

product.

Model

KA-990

Serial

number

Unpacking

Unpack

the

unit

carefully

and

make

sure

that

all

ac-

cessories

are

put

aside

so

they

will

not

be

lost.

Examine

the

unit

for

any

possibility

of

shipping

damage.

lf

your

unit

is

damaged

or

fails

to

operate,

notify

your

dealer

immediately.

If

your

unit

was

shipped

to

you

directly,

notify

the

shipping

company

without

delay.

Only

the

consignee

(the

person

or

company

receiving

the

unit)

can

file

a

claim

against

the

carrier

for

shipping

damage.

We

recommend

that

you

retain

the

original

carton

and

packing

materials

for

use

should

you

transport

or

ship

the

unit

in

the

future.

Before

operation

Safety

precautions

Never

remove

the

case.

If

the

internal

parts

are

touch-

ed,

accidentaly,

a

serious

electric

shock

might

occur.

Never

touch

internal

parts.

If

a.metal

object,

such

as

a

hair

pin

or

a

needle,

comes

into

contact

with

the

power

socket

on

the

rear

panel,

a

dangerous

electric

shock

may

result.

For

families

with

children,

never

permit

children

to

put

anything,

especially

metal,

inside

this

unit.

Do

not

connect

other

audio

equipment

with

a

power

consumption

larger

than

that

specified

to

the

AC

outlet

on

the

rear

panel.

Never

connect

other

electrical

ap-

pliances,

such

as an

iron

or

toaster.

os

Never

connect

other

electrical

appliances.

Touching

the

power

plug

when

your

hands

are

wet

may

result

in

a

serious

electric

shock.

“

ay

~

y,

Never

touch

with

wet

hands.

64

Never

pull,

bend

or

extend

the

power

cord.

This

could

damage

the

power

cord,

resulting

in

a

broken

cord

or

short-circuit.

N

Never

pull

or

stretch

“the

cord.

7

In

case

of

abnormal

smell

|f

an

abnormal

smell

or

smoke

is

detected,

immediately

turn

the

power

OFF

and

pull

out

the

power

cord.

Con-

tact

your

dealer

or

nearest

service

station.

Cleaning

Do

not

use

volatile

solvents

such

as

alcohol,

paint

thin-

ner,

gasoline,

benzine,

etc.

to

clean

the

cabinet.

Use

a

silicone

cloth

or

a

clean

dry

cloth.

Sibcome

Cloth

\—

Silicone

cloth

Thinner

Benzine

Installation

precautions

a)

Avoid

locations

subject

to

direct

sunlight.

b}

Avoid

high

or

low

temperature

extremes.

c)

Keep

the

unit

away

from

heat

radiating

sources.

d)

Choose

a

location

that

is

relatively

free

of

vibration

or

excessive

dust.

e)

Make

sure

power

is

off

before

making

any

system

connections.

KA-990(u)

3

{

j

;

+

j

!

4

E

F

:

i

System

connections

Tuner

Turntable

100

Speakers

This

amplifier

has

two

pairs

of

speaker

terminals,

SPEAKERS

A

and

SPEAKERS

B.

Connecting

one

speaker

system

Connect

speakers

rated

at

4

ohms

or

more

to

the

SPEAKERS

A

terminals.

Although

ordinary

speaker

cords

can

be

connected

to

the

SPEAKERS

A

terminals,

the

©

drive

system

will

reproduce

better

sound

with

the

L

cords

connected

to

the

SPEAKERS

A

terminals.

Connecting

two

speaker

systems

To

connect

an

additional

pair

of

speakers,

use

the

B

ter-

minals.

In

this

case,

each

speaker

must

be

rated

a

8

ohms

or

more.

Connecting

an

ordinary

speaker

system

Connect

the

left

speaker

to

the

LEFT

SPEAKERS

A

or

B

ter-

minals

and

the

right

speaker

to

the

RIGHT

SPEAKERS

A

or

B

terminals.

At

this

time,

be

sure

to

connect

the

(+)

terminals

of

the

4

ka-990(u)

Speaker

system

A

Right

Left

m

[—]

TOTAL

1cOWw

max

facow

Max

\e/

SWITCHED

UNSWITCHED,

European

types

are

not

equipped

with

these

outlets.

To

AC

outlet

Speaker

system

B

speakers

to

the

(+)

terminals

of

the

amplifier

and

(—)

ter-

minals

in

the

same

manner

respectively.

Notes:

1.

The

tips

of

the

connected

wires

should

not

touch

adjacent

ter-

minals.

2.

lf

the

SPEAKERS

A

terminals

are

connected

with

ordinary

cords,

connect

only

inner

terminals

but

not

XE

SENSOR

(shaded)

ter-

minals.

[io

wa

@

Remove

insulation

as

Twist

wire

tightly,

3/8”

from

lead

tip.

and

solder.

3

Insert

the

lead

tip

as

Turn

the

knob

clock-

To

ensure

firm

con-

far

as

it

will

go.

wise

to

lock

the

wire.

tact,

pull

the

wire

slightly.

Connecting

speaker

cords

Warning!

Particular

attention

must

be

given

to

making

good

electrical

contact

at

the

ammplifier-output

and

speaker

terminals.

Poor

or

loose

connections

can

cause

sparking

or

burning

at

the

ter-

minals

because

of

the

very

high

power

that

the

amplifier

can

deliver.

Connecting

©

cords

Prepare

the

£

cords

a

shown

in

figure.

The

figure

‘’L

cords’’

below

shows

one

channel!

cords

for

D

drive.

Two

of

these

cords

are

needed

for

both

channels.

Connect

each

end

of

the

E

cords

to

the

correct

terminal

of

the

amplifier

and

speaker

as

shown

in

the

figure

‘’Z

cords

connections’.

Note:

Never

connect

the

amplifier

end

of

the

£

cords

to

same

polarity

terminals

(£

SENSOR

(+)

to

(+)

terminal,

or

£

SENSOR

(—)

to

(—)

terminal).

To

amplifier

SPEAKERS

A

To

speaker

terminal

terminals

(+)

or

(-)

To

(+)

terminal

To

(+)

terminal

To

(—)

terminal

2-core

flat

cord

x

2

for

one

channel

To

©

SENSOR

(+)

terminal

=

To

&

SENSOR

posal’

>

cords

Twist

and

solder.

Right

speaker

Left

speaker

x

cords

connections

Turntable

The

PHONO

jacks

of

the

amplifier

can

accept

a

turntable

with

either

an

MM

or

MC

type

phono-cartridge.

Your

stereo

turntable

has

a

pair

of

audio

cables

that

is

ter-

minated

with

phono

plugs.

Plug

the

left

channel

plug

into

the

LEFT

and

the

right

channel

plug

into

the

RIGHT

PHONO

jacks.

If

the

turntable

has

a

ground

wire,

connect

it

to

the

unit's

GND

terminal

to

avoid

hum.

Tuner

Use

the

TUNER

terminals

for

connection

to

an

FM

stereo

or

AM-FM

stereo

tuner.

Connect

the

left

channel

of

the

tuner

to

the

LEFT

TUNER

input

jack

and

the

right

channel

of

the

tuner

to

the

RIGHT

TUNER

input

jack.

AUX/D.A.D.

Additional

AUX/D.A.D.

jacks

(FRONT

AUX/D.A.D.)

are

equipped

with

this

unit

on

the

front

panel

to

facilitate

an

operation

of

an

equipment

to

be

connected

to

these

jacks.

Selecting

the

source

equipments

connected

to

the

AUX/

To

(—)

terminal

D.A.D.

jacks

on

the

rear/front

panel

is

performed

with

the

AUX/D.A.D.

(REAR/

FRONT)

switch.

To

these

jacks,

high-

level

signal

sources

such

as,

tuner,

extra

tape

decks,

TV,

VCR

sound

outputs,

mic

preamps,

etc.

can

be

connected.

Ground

For

maximum

safety

and

minimum

interference

connect

the

GND

terminal

to

a

good

earth

ground

if

practicable.

A

good

earth

ground

is

a

cold

water

pipe

or

a

metal

stake

driven

into

moist

earth.

However,

never

use

a

gas

pipe

for

this

purpose.

Tape

decks

If

only

one

tape

deck

is

to

be

connected

to

the

system

it

is

recom-

mended

that.it

be

connected

to

the

jacks

marked

TAPE

A.

Tape

deck

input

and

output

cables

are

normally

terminated

with

phono

plugs.

Piayback

Plug

the

left

and

right

output

cables

of

the

tape

deck

into

the

LEFT

and

RIGHT

TAPE

A

PLAY

jacks.

Record

Plug

the

left

and

right

input

cables

of

the

tape

deck

into

the

LEFT

and

RIGHT

TAPE

A

REC

jacks.

DIN

connector

(European

types

only)

\f

your

tape

deck

is

equipped

with

a

DIN

connector,

connect

it

to

the

TAPE

B

REC/PLAY

connector

with

the

DIN

connecting

cord.

The

DIN

connection

makes

both

input

and

output

con-

nections

with

a

single

cord,

and

the

signal

must

be

controlled

with

the

REC

OUT

switch

and

TAPE

B

switch

on

the

front

panel.

Notes,

2.

\f

connections

are

made

with

a

DIN

connecting

cord,

the

TAPE

B

PLAY

and

REC

jacks

should

not

be

used.

Second

tape

deck

Plug

the

input

and

output

cables

from

the

second

tape

deck

into

the

REC

and

PLAY

jacks

marked

TAPE

B.

AC

outlets

(Except

European

models)

The

AC

outlets

on

the

rear

panel

of

the

unit

may

be

used

to

supply

power

to

other

components

in

the

system,

such

as

turntables,

tapé

decks,

etc.

Never

connect

equipment

whose

power

consumption

exceeds

the

maximum

value

shown

at

each

outlet.

1.

SWITCHED

outlets:

These

outlets

supply

power

only

when

the

unit

is

turned

on.

The

maximum

total

capacity

(both

outlets)

is

100

watts.

2.

UNSWITCHED

outlet:

The

outlet

provides

power

when

the

unit

is

plugged

into

an

active

AC

wall

outlet,

regardless

of

the

setting

of

the

POWER

switch.

The

maximum

capacity

is

400

watts.

PHONO

IMPEDANCE

(MM)

selector

switch

When

using

a

moving

magnet

cartridge,

set

this

switch

to

the

appropriate

position

according

to

the

impedance

of

cartridge.

KA-990(U)

5

}

4

q

}

Controls,

indicators

and

connectors

0

9o

8

[[_

roves

$3

DPERATING

INDICATOR:

@

REC

OUT

switch

This

switch

is

designed

to

record

from

a

source

other

than

that

selected

by

the

input

selector

switches.

OFF

—

With

this

setting

no

signal

is

output

from

the

REC

jacks;

the

source

signal

comes

out

of

the

speakers

without

the

slight

degradation

that

would

take

place

if

a

tape

deck

was

connected.

Keep

this

position

when

not

recording.

PHONO

—

This

setting

permits

the

recording

of

the

record

played

on

the

turntable

connected

to

the

PHONO

jacks.

TUNER

—

This

setting

makes

the

tuner

the

program

source

for

recording.

AUX/D.A.D.

—

This

setting

permits

a

recording

of

the

program

source

connected

to

the

AUX/D.A.D.

jacks.

TAPE

DUBBING

Arm

B

—

When

dubbing

from

the

tape

deck

connected

to

the

TAPE

A

jacks

to

the

tape

deck

connected

to

the

TAPE

B

jacks.

TAPE

DUBBING

Be»

A

—

When

dubbing

from

the

tape

deck

connected

to

the

TAPE

B

jacks

to

the

tape

deck;connected

to

the

TAPE

A

jacks.

@

SPEAKERS

switch

OFF

—

This

position

disconnects

the

speakers

to

permit

private

listening

with

headphones.

x

DRIVE

A

—

Activates

speakers

connected

to

the

SPEAKERS

A

terminals

on

the

rear

panel.

This

set-

ting

can

be

used

whether

the

speakers

are

con-

nected

with

L

cables

or

with

conventional

2-lead

cables.

B

—

Activates

speakers

connected

to

the

SPEAKERS

B

terminals

on

the

rear

panel.

A+B

—

Activates

speakers

connected

to

the

SPEAKERS

A

and

B

terminals

simultaneously.

In

this

setting,

however,

the

speakers

connected

to

the

SPEAKERS

A

terminals

do

not

perform

in

the

&

drive

mode

even

though

they

are

connected

with

©

cables.

6

KA-9901U)

©

Input

selector

switches

TAPE

A

—

To

monitor

a

recording

in

progress

or

to

playback

a

tape

from

a

tape

deck

connected

to

the

TAPE

A

jacks.

TAPE

B

—

To

monitor

a

recording

in

progress

or

to

playback

a

tape

from

a

tape

deck

connected

to

the

TAPE

B

jacks.

AUX/D.A.D.

—

Selects

the

program

source

connected

to

the

AUX/D.A.D.

jacks.

TUNER

—

Selects

the

tuner

connected

to

the

TUNER

jacks.

PHONO

—

Selects

the

program

source

played

on

the

turntable.

Note:

When

ail

the

input

selectors

are

in

their

OFF

positions

with

the

power

on,

no

input

selector

indicators

light.

Press

the

desired

selector

switch

to

set

source.

©

Cartridge

selector

switch

(MM,

MC)

MM

—

Push

when

using

MM

(moving

magnet)

and

high-output

MC

(moving

coil)

cartridges.

MC

—

Push

when

using

MC

cartridges.

@®

MUTING

switch

Pressing

this

switch

cuts

off

the

sound

output

and

puts

out

the

light

above

the

switch.

It

is

useful

for

preventing

loud

clicks

or

thumps

when

the

stylus

is

placed

on

a

record

or

to

reduce

the

volume

for

same

reason,

such

as

answering

the

telephone.

To

release

muting,

press

this

switch

again.

@

VOLUME

control

This

control

adjusts

left-

and

right-channel

volume

simultaneously.

Set

it

for

the

desired

listening

level.

@

POWER

switch

Press

this

switch

to

turn

on

the

power.

To

turn

the

power

off,

press

the

switch

again

to

set

it

to

the

out

position.

i

3

j

§

@

PHONES

jack

Plug

stereo

headphones

into

this

jack

for

private

listen-

ing.

The

speakers

are

silenced

when

the

SPEAKERS

switch

is

set

to

OFF.

@

Tone

controls

TONE

switch

—

Setting

this

switch

to

ON

inserts

the

tone

control

circuit

into

the

signal-path.

This

permits

adjustment

of

tone

by

turning

the

BASS

and/or

TREBLE

controls.

To

obtain

flat

response,

push

to

release

the

switch,

OFF

setting.

BASS

—

Turning

this

control

clockwise

will

increase

bass

response.

Turning

it

counterclockwise

will

decrease

the

bass

response.

The

‘‘0”’

setting

pro-

vides

a

flat

bass

response.

TREBLE

—

Turning

this

control

clockwise

will

increase

the

high-frequency

response.

Turning

it

counterclockwise

will

decrease

the

high-frequency

response.

The

‘‘0’’

setting

provides

a

flat

high-

frequency

response.

@

MODE

switch

STEREO

—

This

provides

stereophonic

reproduction

of

any

stereo

program

source.

The

left

channel

is

heard

from

the

left

speaker,

and

the

right

channel

is

heard

from

the

right

speaker.

MONO

—

Monophonic

reproduction.

The

left

and

right

channels

are

mixed

together

and

heard

from

both

speakers.

@

DC

COUPLED/SUBSONIC

FILTER

switch

DC

COUPLED

—

With

the

switch

in

this

setting,

no

capacitor

is

coupled

in

the

signal

path

from

the

TUNER,

AUX/D.A.D.,

and

TAPE

PLAY

jacks

to

the

SPEAKERS

terminals

so

that

the

frequency

response

is

perfectly

flat.

Use

this

setting

to

reproduce

program

sources

containing

ultra

low

frequencies.

SUBSONIC

FILTER

—

With

the

switch

in

this

setting,

signals

below

18 Hz

are

attenuated

at

the

rate

of

6

dB

per

octave.

Although

such

signals

are

inaudi-

ble,

they

can

cause

intermodulation

distortion

components

in

the

audible

range.

It

is

recommend-

ed

that

this

switch

be

depressed

at

all

times,

even

if

no

turntable

rumble

is

apparent.

@

LOUDNESS

switch

ON

—

Bass

notes

are

boosted

at

low

listening

levels.

This

precisely

offsets

a

characteristics

of

human

hearing

whereby

we

are

less

sensitive

to

bass

notes

at

very

low

listening

levels.

OFF

—

The

low-level

bass

boost

is

removed.

@®

BALANCE

control

This

control

permits

balancing

of

the

left

and

right

channels

when

an

imbalance

exists

from

the

sound

source,

or

to

correct

acoustic

imbalance

due

to

room

conditions.

Turn

it

to

the

left

from

the

CENTER

position

to

boost

the

left

channel;

turn

it

to

the

right

of

CENTER

to

raise

the

level

of

the

right

channel.

@

FRONT

AUX/D.A.D.

jacks

and

AUX/D.A.D.

(FRONT/REAR)

switch

FRONT

AUX/D.A.D.

jacks

—

Temporarily

used

high-

level

signal

sources

such

as,

tuner,

extra

tape

decks,

TV,

VCR

sound

outputs,

mic

preamps,

etc.

are

connected

to

these

jacks.

AUX/D.A.D.

switch

—

Pressing

this

switch

selects

source

equipments

connected

to

the

AUX/D.A.D.

jacks

on

the

front

or

rear

panel.

Thermal

protector

This

unit

employs

the

thermal

protector

circuit

which

automatically

shuts

off

the

power

or

fades

out

the

sound

if

the

temperature

inside

the

amplifier

becomes

unusually

high.

The

protector

automatically

restores

the

power

when

the

temperature

drops

to

the

normal

level

and

the

cause

of

the

unusual

temperature

rise

must

be

removed

before

the

power

is

restored.

Unusually

high

temperatures

may

be

caused

in

poor

ventila-

tion

condition

or

by

a

shorted

output

circuit.

KA-990(U)

7

i

]

|

i

4

:

i

Operating

instructions

Prior

to

operation

It

is

recommended

that

rarely

used

controls

and

swit-

ches

be

preset

in

accordance

with

your

preference

in

order

to

simplify

operation.

Once

these

controls

and

switches

have

been

preset,

normal

operation

is

simply

turning

on

the

POWER

switch

and

selecting

the

desired

program

source

by

depressing

one

of

the

input

selector

switches.

Set

to

OFF.

Set

to

the

desired

Set

to

OFF.

POweR

———-—

OPERATING

INDICATOR

Set

to

OFF.

Set

to

the

desired

position.

Set

to

0.

Tuner

1.

With

your

tuner

connected

to

the

TUNER

jacks,

press

the

TUNER

input

selector

switch

so

that

the

corresponding

indicator

will

go

on.

.

Tune

to

the

desired

station.

3.

Adjust

the

volume

and/or

tone

controls

for

your

preference.

Nh

Turntable

1.

Depress

the

MUTING

switch

to

temporarily

reduce

the

output

volume

level.

2.

With

your

turntable

connected

to

the

PHONO

jacks,

press

the

PHONO

input

selector

switch

so

that

the

corresponding

indicator

will

go

on.

3.

According

to

the

type

of

phono-cartridge

used,

set

the

cartridge

selector

switch.

4.

Press

the

MUTING

switch

again

to

release

the

muting

function.

5.

Adjust

the

volume

and/or

tone

controls

for

your

preference.

AUX/D.A.D.

1.

With

your

additional

program

source

connected

to

the

AUX/D.A.D.

jacks

(on

the

front/rear

panel),

press

the

AUX/D.A.D.

input

selector

switch

so

that

the

corresponding

indicator

will

go

on.

2.

Operate

the

equipment

connected

to

the

AUX!

D.A.D.

jacks.

3.

Adjust

the

volume

and/or

tone

controls

for

your

preference.

8

ka-g901U)

Set

to

the

desired

position

Set

to

CENTER.

_

if

neccesary.

Set

to

MM

or

MC.

Set

to

OFF.

Set

to

SUBSONIC

FILTER.

Set

to

STEREO.

Tape

decks

Tape

playback

1.

Select

the

tape

deck

connected

to

the

TAPE

A

and/or

B

jacks

with

the

input

selector

switch

so

that

the

indicator

corresponding

to

the

desired

tape

deck

(A

or

B)

goes

on.

2.

Operate

the

tape

deck

to

playback

your

recorded

tape.

3.

Adjust

the

volume

and/or

tone

controls

for

you

preference.

Recording

(with

one

tape

deck)

1.

Set

the

REC

OUT

switch

to

PHONO,

TUNER,

or

AUX/D.A.D.

in

accordance

with

the

desired

source.

2.

Set

up

the

program

source

component

for

operation

and

set

up

your

tape

deck

for

recording.

3.

Set

recording

levels

with

the

controls

on

your

tape

deck.

The

controls

other

than

the

REC

OUT

switch

on

the

amplifier

do

not

affect

the

signal

output

to

the

tape

deck.

Recording

(with

two

tape

decks)

1.

Connect

two

tape

decks

to

the

TAPE

A

and

TAPE

B

jacks.

2.

Set

the

REC

OUT

switch

to

PHONO,

TUNER,

or

AUX/D.A.D.

in

accordance

with

the

desired

source.

3.

Set

up

your

two

tape

decks

for

recording.

4.

Recording

levels

should

be

set

using

controls

on

the

individual

tape

decks.

Monitoring

lf

your

tape

deck

is

equipped

with

three

heads,

you

can

compare

the

sound

quality

of

the

recording

in

progress

with

that

of

the

program

source;

the

source

sound

can

be

heard

by

depressing

the

input

selector

switch

(PHONO,

TUNER

or

AUX/D.A.D.)

and

the

recorded

sound

can

be

heard

by

depressing

the

input

selector

switch

(TAPE

A

or

TAPE

B).

Tape-to-tape

dubbing

When

two

tape

decks

are

connected

to

the

TAPE

A

and

TAPE

B

jacks,

tape

recordings

may

be

duplicated

easily

using

one

tape

deck

to

play

the

prerecorded

tape

and

the

other

tape

deck

to

record

the

copy.

Set

the

REC

OUT

switch

as

follows:

TAPE

DUBBING

A

»

B

—

To

record

a

copy

on

tape

deck

B

from

a

tape

played

on

tape

deck

A.

TAPE

DUBBING

B

»

A

—

To

record

a

copy

on

tape

deck

A

from

a

tape

played

on

tape

deck

B.

Note:

The

settings

of

the

input

selector

switches

do

not

affect

dubbing.

Ad-

just

the

recording

level

on

the

deck

that

is

making

the

copy

using

that

deck’s

operating

controls.

Start

both

decks

(piay

and

record)

simultaneously.

By

using

a

three-head

tape

deck

for

the

copy,

monitoring

is

possible

by

depressing

the

TAPE

A

or

TAPE

B

input

selector

switch.

At

this

time,

be

sure

not

to

depress

both

TAPE

input

selector

switches

simultaneously.

REC

OUT

operation

The

setting

of

this

switch

to

PHONO,

TUNER,

or

AUX/D.A.D.

directly

connects

the

tape

deck

to

the

source

signals;

the

desired

source

signal

for

the

record-

ing

is

fed

to

the

TAPE

REC

jacks

regardless

of

the

set-

ting

of

the

input

selector

switches.

By

setting

this

switch

to

OFF

with

a

tape

deck

con-

nected,

the

tape

deck

REC

connection

is

isolated

from

the

amplifier’s

signal

path,

therefore,

the

source

signals

are

not

affected

by

tape

deck’s

impedance.

In

this

respect,

set

this

switch

to

OFF

when

not

recording.

Recording

of

AM/FM

broadcasts

while

listening

to

records

1.

Press

the

PHONO

input

selector

switch.

2.

Operate

the

turntable.

3.

Set

the

REC

OUT

switch

to

TUNER

and

receive

the

AM/FM

broadcast.

4.

Operate

the

tape

deck

to

record

the

AM/FM

broad-

cast.

Adjust

the

recording

level

with

the

recording

level

controls

of

the

tape

deck.

5.

To

listen

to

the

AM/FM

broadcast,

simply

press

the

TUNER

input

selector

switch.

The

recording

of

the

AMIFM

broadcast

will

continue.

Source

from

tuner

iH

Tape

deck

Recording

Turntable

Recording

of

a

broadcast

while

listening

to

records

Recording

of

records

while

listening

to

an

AM/FM

broadcast

1.

Press

the

TUNER

input

selector

switch.

2.

Operate

the

tuner.

3.

Set

the

REC

OUT

switch

to

PHONO

and

operate

the

turntable.

4.

Operate

the

tape

deck

to

record

the

record.

Adjust

the

recording

level

with

the

recording

level

controls

of

the

tape

deck.

5.

To

listen

to

the

record,

simply

press

the

PHONO

in-

put

selector

switch.

The

recording

of

the

record

will

continue.

Source

from

tuner

Tape

deck

Recording

Turntable

Recording

of

records

while

listening

to

a

broadcast

Using

as

a

power

amplifier

This

unit

can

also

be

used

as

a

power

amplifier

of

one-volt

input

sensitivity.

The

operating

procedure

is

as

follows:

1.

Set

the

input

selector

switch

to

AUX/D.A.D..

2.

Set

controls

and

switches,

such

as

tone

controls,

filters,

loudness,

etc.,

to

the

designated

settings

in

order

to

obtain

the

flat

frequency

response.

3.

Set

the

VOLUME

CONTROL

to

the

‘’5"'

position.

4.

Turn

the

POWER

switch

on

after

completion

of

connections

from

the

external

source

to

the

AUX/

D.A.D.

jacks.

=I

KA-990(U)

J

In

case

of

difficulty

{f

your

unit

should

not

perform

as

expected,

consult

the

table

below

to

see

if

the

problem

can

be

corrected

before

seek-

ing

help

from

your

dealer

or

service

representative.

AM,

FM,

PHONO

or

Tape

playback

Cause

Remedy

Power

on

but

no

sound.

a)

Power

cord

not

plugged

in.

b)

Poor

connection

at

wall

outlet.

Power

outlet

inactive.

c)

VOLUME

CONTROL

set

fully

counterclockwise.

a)

Check

plug

contact.

b)

Check

outlet

using

a

lamp

or

other

appliance

(outlet

may

be

controll-

ed

by

a

wall

switch).

c)

Set

the

control

to

your

preference.

No

sound

from

left

or

right.

a)

Speaker

cords

disconnected.

b)

Speakers

switched

off.

c)

No

input

selector

switch

is

in

use.

a)

Check

speaker

connections.

b)

Check

speaker

switch.

c)

Press

one

of

the

selector

switches

to

select

the

desired

program.

Sound

from

left

or

right,

but

not

both.

PHONO

playback

only

No

sound

from

both

or

one

speaker.

Loud

hum

drowns

out

sound.

Low

background

hum.

a)

Poor

speaker

connections.

b)

Defective

speaker.

c)

BALANCE

control

set

to

one

ex-

treme

or

the

other.

Cause

Turntable

output

disconnected.

Poor

ground

connection

at

phono

cable

connections.

Hum

Picked

up

in

turntable

or

turntable

cables.

a)

Check

connections

at

both

ends

of

speaker

cord.

b)

Reverse

speakers,

if

problem

stays

with

speaker

have

speaker

checked.

c)

Check

BALANCE

control

setting.

Remedy

Check

phono

cables.

Check

phono

plugs,

particularly

outershell

connections.

Keep

cables

away

from

power

cords.

Twist

left

and

right

cables

together.

Reverse

AC

plug

of

turntable.

Con-

nect

ground

wire

between

turntable

and

GND

connector.

Background

buzz.

TV

signal

picked

up.

by

phono

cable

(especially

near

transmitter).

Route

phono

cables

to

minimize

buzz.

Howling

noise

at

maximum

volume

settings.

Acoustic

pickup

from

speaker.

Increase

distance

between

speaker

and

turntable.

Choose

speaker

loca-

tions

carefully.

Check

turntable

suspension.

10

KA-9901U)