Kenwood KC-991 User manual

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1

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CONTROL

AMPLIFIER

KC-991

INSTRUCTION

MANUAL

KENWOOD

CORPORATION

B60-0335-00

dD

(K,

P,

M,X,Y)|GA|

Introduction

Your

choice

of

this

product

indicates

that

you

are

a

devotee

to

excellence

in

sound

reproduction.

We

appreciate

your

patronage

and

take

pride

in

the

long

tra¬

dition

of

quality

components

that

our

company

represents.

So

that

you

can

get

the

most

out

of

your

unit,

we

suggest

that

you

take

the

time

to

read

through

this

manual

before

you

hook

up

and

operate

your

system.

This

will

acquaint

you

with

operating

features

and

system-connection

consid¬

erations

so

that

your

listening

pleasure

will

be

enhanced

right

from

the

start.

You

will

notice

that

in

all

aspects

of

planning,

engineering,

styling,

operating

convenience

and

adaptability

we

have

sought

to

anticipate

your

needs

and

desires.

Keep

this

manual

handy

for

future

reference.

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

num¬

bers

whenever

you

call

upon

your

dealer

for

information

or

service

on

this

product.

Model_—Serial

Number-

Unpacking

Unpack

the

unit

carefully

and

make

sure

that

all

accessories

are

put

aside

so

they

will

not

be

lost.

Examine

the

unit

for

any

possibility

of

shipping

damage.

If

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

pack¬

ing

materials

for

use

should

you

transport

or

ship

the

unit

in

the

future.

Contents

Caution:

Read

the

pages

marked

carefully

to

ensure

safe

operation.

Introduction.

.2

Storing

user-created

patterns.

.13

A

Before

applying

power.

.3

Recalling

a

pattern

from

memory.

.14

A

Safety

precautions.

.3

Turning

off

the

graphic

equalizer.

.14

A

IMPORTANT

SAFEGUARDS.

.4

Contents

of

display..

.14

Controls

and

indicators.

.6

Functions

of

the

graphic

equalizer.

.15

System

connections.

.7

Remote

control

operation.

.16

System

control

operation.

.8

Loading

batteries..

.16

Operating

Instructions.

.10

Operation

procedure.

To

mute

the

sound

temporarily.

.10

Modes.

.18

Function

of

the

LOUDNESS

key.

.10

Programming

operation.

.19

Operation

of

CD

DIRECT

playback.

.11

To

check

the

programmed

contents.

.20

Listening

to

CD

while

recording

another

source.

.11

Normal

remote

control

operation.

.20

Ordinary

tape

recording.

.12

To

change

the

programmed

contents.

.20

Tape

dubbing

(Tape

2

—»

Tape

1).

.12

To

clear

the

entire

programmed

contents.

.20

Recording

sound

with

equalizer

effect

applied.

.12

In

case

of

difficulty.

.21

Graphic

equalizer

operation.

.13

A

Specifications.

.22

Creation

of

equalizer

pattern.

.13

2

KC-991

(En)

A

Caution:

Read

this

page

carefully

to

ensure

safe

operation.

Before

applying

power_

For

the

U.S.A.

and

Canada

Important!

Units

shipped

to

the

U.S.A.

and

Canada

are

designed

for

opera¬

tion

on

120

volts

AC

only.

CAUTION

:

to

prevent

electric

shock

do

not

use

THE

AC

PLUG

WITH

AN

EXTENSION

CORD,

RECEPTACLE

OR

OTHER

OUTLET

UNLESS

THE

BLADES

CAN

BE

FULLY

IN¬

SERTED

TO

PREVENT

BLADE

EXPOSURE.

For

the

United

Kingdom

Important!

Units

shipped

to

the

U.K.

are

designed

for

operation

on

240

volts

AC

only.

The

mains

plug

must

be

removed

from

the

wall

socket

prior

to

any

internal

examination.

The

wires

in

this

mains

lead

are

coloured

in

accordance

with

the

following

code:

Blue

.

Neutral

Brown

..

Live

The

wires

in

this

mains

lead

must

be

connected

to

the

termi¬

nals

in

the

plug

as

follows:

Wire

colour

Plug

terminal

marking

Blue

.

N

or

Black

Brown

..

.

L

or

Red

2.

If

a

3-pin

plug

with

earthing

contact

is

used,

no

wire

must

be

connected

to

the

E

terminal._

For

Australia

and

Europe

Important!

Units

shipped

to

Australia

are

designed

for

operation

on

240

V

AC

only.

Units

shipped

to

Europe

are

designed

for

operation

on

230

V

AC

only.

For

other

countries

Important!

Units

shipped

to

countries

other

than

the

above

countries

are

equipped

with

an

AC

voltage

selector

switch

on

the

rear

panel.

Refer

to

the

following

paragraph

for

the

proper

setting

of

this

switch.

AC

voltage

selection

This

unit

operates

on

110-120

or

220-240

volts

AC.

The

AC

voltage

selector

switch

Type

A

or

Type

B

on

the

rear

panel

is

set

to

the

voltage

that

prevails

in

the

area

to

which

the

unit

is

shipped.

Before

connecting

the

power

cord

to

your

AC

out¬

let,

make

sure

that

the

setting

position

of

this

switch

matches

your

line

voltage.

If

not,

it

must

be

set

to

your

voltage

in

ac¬

cordance

with

the

following

direction.

Our

warranty

does

not

cover

damage

caused

by

excessive

line

voltage

due

to

improper

setting

of

the

AC

voltage

selector

-switch.

AC

voltage

selector

switch

AC110-

120V-

AC220V-

AC240V-

Type

B

□

D

AC110V-

-*

►

AC220V-

120V-

240V-

Move

switch

lever

to

match

your

line

voltage

with

a

small

screwdriver

or

other

pointed

tool.

Safety

precautions

WARNING:

TO

PREVENT

FIRE

OR

ELECTRIC

SHOCK,

DO

NOT

EXPOSE

THIS

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

SER¬

VICING

TO

QUALIFIED

SERVICE

PERSONNEL.

A

A

THE

LIGHTNING

FLASH

WITH

ARROWHEAD

SYMBOL,

WITHIN

AN

EQUILATERAL

TRIANGLE,

IS

INTENDED

TO

ALERT

THE

USER

TO

THE

PRESENCE

OF

UNINSULATED

"DANGEROUS

VOL¬

TAGE"

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

TO

THE

PRESENCE

OF

IMPORTANT

OPERATING

AND

MAINTENANCE

(SERVICING)

IN¬

STRUCTIONS

IN

THE

LITERATURE

ACCOMPANYING

THE

APPLIANCE.

KC-991

(En)

3

IMPORTANT

SAFEGUARDS

A

Caution

:

Read

this

page

carefully

to

ensure

_safe

operation.

Please

read

all

of

the

safety

and

operating

instructions

before

operating

this

unit.

For

best

results,

follow

all

warnings

placed

on

the

unit

and

adhere

to

the

operat¬

ing

and

use

instructions.

These

safety

and

operating

in¬

structions

should

be

retained

for

future

reference.

1.

Power

sources

—

The

unit

should

be

connected

to

a

power

supply

only

of

the

type

described

in

the

operating

instructions

or

as

marked

on

the

appliance.

2.

Power-cord

protection

—

Power-supply

cords

should

be

routed

so

that

they

are

not

likely

to

be

walked

on

or

pinched

by

items

placed

upon

or

against

them,

pay

particular

attention

to

cords

at

plugs,

convenience

receptacles,

and

the

point

where

they

exit

from

the

unit.

Never

pull

or

stretch

the

cord.

3.

Grounding

or

polarization

—

The

precautions

should

be

taken

so

that

the

grounding

or

polariza¬

tion

means

of

this

unit

is

not

defeated.

4.

Ventilation

—

The

unit

should

be

situated

so

that

its

location

or

position

does

not

interfere

with

its

proper

ventilation.

To

maintain

good

ventilation,

do

not

put

records

or

a

table-cloth

on

the

unit.

Place

the

unit

at

least

10

cm

away

from

the

walls.

Do

not

use

the

unit

on

a

bed,

sofa,

rug

or

similar

surface

that

may

block

the

ventilation

openings.

5.

Water

and

moisture

—

The

unit

should

not

be

used

near

water

—

for

example,

near

a

bathtub,

washbowl,

kitchen

sink,

laundry

tub,

in

a

wet

base¬

ment,

or

near

a

swimming

pool,

etc.

6.

Temperature

—

The

unit

may

not

function

pro¬

perly

if

used

at

extremely

low,

or

freezing

tempera¬

tures.

The

ideal

ambient

temperature

is

above

+

5°C

(41

°F).

7.

Heat

—

The

unit

should

be

situated

away

from

heat

sources

such

as

radiators,

heat

registers,

stoves,

or

other

units

(including

amplifiers)

that

produce

heat.

8.

Electric

shock

—

Care

should

be

taken

so

that

ob¬

jects

do

not

fall

and

liquid

is

not

spilled

into

the

en¬

closure

through

openings.

If

a

metal

object,

such

as

a

hair

pin

or

a

needle,

comes

into

contact

with

the

inside

of

this

unit,

a

dangerous

electric

shock

may

result.

For

families

with

children,

never

permit

chil¬

dren

to

put

anything,

especially

metal,

inside

this

unit.

9.

Enclosure

removal

—

Never

remove

the

en¬

closure.

If

the

internal

parts

are

touched

accidentally,

a

serious

electric

shock

might

occur.

10.

Magnetic

fields

—

Keep

the

unit

away

from

sources

of

magnetic

fields

such

as

TV

sets,

speaker

systems,

radios,

motorized

toys

or

magnetized

objects.

11.

Cleaning

—

Do

not

use

volatile

solvents

such

as

alcohol,

paint

thinner,

gasoline,

or

benzine,

etc.

to

clean

the

cabinet.

Use

a

clean

dry

cloth.

4

KC-991

(En)

ACaution

:

Read

this

page

carefully

to

ensure

_safe

operation._

12.

Carts

and

stands

—

An

appliance

and

cart

com¬

bination

should

be

moved

with

care.

Quick

stops,

excessive

force,

and

uneven

surfaces

may

cause

the

appliance

and

cart

combination

to

overturn.

13.

Nonuse

periods

—

The

power

cord

of

the

unit

should

be

unplugged

from

the

outlet

when

left

un¬

used

for

a

long

period

of

time.

14.

Abnormal

smell

—

If

an

abnormal

smell

or

smoke

is

detected,

immediately

turn

the

power

OFF

and

pull

out

the

power

cord.

Contact

your

dealer

or

nearest

service

center.

POWER

OFF!

15.

Damage

requiring

service

—

The

unit

should

be

serviced

by

qualified

service

personnel

when:

A.

The

power-supply

cord

or

the

plug

has

been

damaged;

or

B.

Objects

have

fallen,

or

liquid

has

been

spilled

into

the

unit;

or

C.

The

unit

has

been

exposed

to

rain;

or

D.

The

unit

does

not

appear

to

operate

normally

or

exhibits

a

marked

change

in

performance;

or

E.

The

unit

has

been

dropped,

or

the

enclosure

damaged.

ductors,

location

of

antenna-discharge

unit,

connec¬

tion

to

grounding

electrodes,

and

requirements

for

the

grounding

electrode.

See

Figure.

18.

Power

lines

—

An

outdoor

antenna

should

be

lo¬

cated

away

from

power

lines.

19.

AC

outlets

—

Do

not

connect

other

audio

equip¬

ment

with

a

power

consumption

larger

than

that

specified

to

the

AC

outlet

on

the

rear

panel.

Never

connect

other

electrical

units,

such

as

an

iron

or

16.

Servicing

—

The

user

should

not

attempt

to

ser¬

vice

the

unit

beyond

that

described

in

the

operating

instructions.

All

other

servicing

should

be

referred

to

qualified

service

personnel.

17.

Outdoor

antenna

grounding

—

If

an

outside

an¬

tenna

is

connected

to

the

receiver,

be

sure

the

an¬

tenna

system

is

grounded

so

as

to

provide

some

protection

against

voltage

surges

and

built

up

static

charges.

Section

810

of

the

National

Electrical

Code,

ANSI/

NFPA

No.

70—1984,

provides

information

with

respect

to

proper

grounding

of

the

mast

and

supporting

structure,

grounding

of

the

lead-in

wire

to

an

antenna

discharge

unit,

size

of

grounding

con-

1.

Item

3

is

not

required

except

for

grounded

or

polarized

equipment.

2.

Item

17

and

18

are

not

required

except

for

units

provided

with

antenna

terminals.

3.

Item

17

complies

with

UL

in

the

U.S.A._

KC-991

(En)

5

Controls

and

indicators

STAND

BY

mode

of

POWER

key

When

the

power

cord

of

this

system

is

plugged

into

an

AC

outlet,

the

STAND

BY

indicator

lights

up

regardless

of

the

ON/OFF

setting

of

the

POWER

key.

This

indicates

that

a

small

amount

of

current

is

being

supplied

to

the

unit

to

back

up

the

memory

contents

and

support

the

timer

function.

This

mode

is

referred

to

as

the

Stand

By

mode.

While

the

STAND

BY

indicator

is

lit,

the

power

of

the

system

can

be

switched

ON/OFF

from

the

remote

control

unit.

Scroll

function

When

a

source

is

selected

with

the

INPUT

SELECTOR,

source

name

characters

on

the

display

flow

from

the

right

to

the

left

and

stop

at

the

center.

6

KC-991

(En)

System

connections

Make

connection

as

shown

below.

When

connecting

the

related

system

components,

refer

also

to

the

instruction

manuals

of

the

related

components.

Do

not

plug

in

the

power

lead

until

all

connections

are

completed.

Tape

deck

1

Tape

deck

2

or

surround

processor

Notes:

1.

Connect

all

cords

firmly.

If

connections

are

loose

there

could

be

loss

of

sound

or

noise

produced.

2.

When

plugging

and

unplugging

connection

cords,

be

sure

to

first

remove

the

power

cord

from

the

AC

outlet.

Plugging/unplugging

connec¬

tion

cords

without

removal

of

the

power

cord

can

cause

malfunctions

or

damage

to

the

unit.

3.

Do

not

connect

up

a

power

source

which

is

larger

than

that

indicated

on

the

socket

at

the

rear

of

the

unit.

KC-991

(En)

7

System

control

operation

For

the

system

control

of

KENWOOD

system

components,

connect

them

using

the

system

control

cords

as

shown

in

the

illustration

below.

If

the

power

cords

are

connected

as

shown

in

the

illustration,

the

power

of

the

whole

system

can

be

switched

ON/OFF

from

the

POWER

key

on

the

amplifier.

(For

the

audio

cord

connection,

please

refer

to

"System

connections".)

Turntable

To

AC

outlet

Unit

destination

Shape

of

the

AC

outlet

For

U.S.A.,

Canada

and

U.S.

Military

fPil

For

Australia

©

For

other

countries

<o>

SWITCHED

AC

outlet

The

power

of

the

component

connected

to

this

kind

of

AC

outlet

is

switched

ON/OFF

in

inter¬

locked

operation

with

the

POWER

key

on

the

main

unit

on

which

the

AC

outlet

is

installed.

UNSWITCHED

AC

outlet

The

power

of

the

component

connected

to

this

kind

of

AC

outlet

can

be

switched

ON/OFF

regard¬

less

of

the

POWER

key

on

the

main

unit.

8

KC-991

(En)

■

Operation

By

connecting

this

unit

to

other

KENWOOD

system

components

equipped

with

SYSTEM

CONTROL

termi¬

nals,

such

as

a

tuner,

tape

deck,

CD

player

and/or

turntable,

the

following

convenient

operations

will

be

available.

Automatic

play

operation

When

starting

play

with

the

turntable,

tape

deck,

or

CD

player

con¬

nected

to

this

unit,

set

the

INPUT

SELECTOR

knob

to

PHONO,

TAPE

or

CD.

The

turntable,

tape

deck,

or

CD

player

will

automatical¬

ly

enter

the

play

mode.

In

the

same

way,

pressing

the

Play

key

of

the

turntable,

tape

deck,

or

CD

player

will

automatically

switch

the

INPUT

SELECTOR

setting

on

this

unit

to

the

component

on

which

the

play

key

is

pressed.

Synchro

recording

To

record

the

sound

from

the

CD

player

or

turntable

onto

a

tape

with

the

tape

deck,

set

the

INPUT

SELECTOR

knob

to

CD

or

PHONO

and

load

a

CD

or

record.

Set

the

tape

deck

to

record-pause

mode,

then

press

the

Play

(START)

key

of

the

CD

player

or

turntable.

The

deck

will

start

recording

automatically,

synchronized

with

the

CD

player

or

turntable

starting

playing.

For

more

details,

refer

to

the

instruction

manual

of

the

tape

deck.

Remote

control

When

the

amplifier,

tuner,

tape

deck,

CD

player,

and

turntable

are

connected

via

the

system

control

cords,

these

components

can

be

controlled

from

the

remote

control

unit

supplied

with

this

unit.

System

control

connection

X

H

[r'honn—

r

o

•

Be

sure

to

insert

the

system

control

cord

plugs

fully

into

the

SYSTEM

CONTROL

terminals.

•

If

the

system

control

cord

and

audio

cords

are

not

connected

properly,

the

automatic

system

governing

remote

control

and

system

functions

will

not

operate.

H_

111

—«

Ill

Jbod=

1.

System

control

operation

of

the

unit

connected

to

the

TAPE

2

jacks

cannot

be

carried

out

2

'

mln

h

als

C

°

mPOnentS

^

^

KENWOOD

«

components,

do

not

connect

anything

to

the

SYSTEM

CONTROL

ter-

KC-991

(En)

9

Operating

instructions

*|

Press

the

POWER

key

to

ON.

POWER

3

Play

the

source

component.

•

The

selected

source

component

is

played

automatically

if

it

is

connected

using

a

system

control

cord.

4

Adjust

the

volume.

Set

the

INPUT

SELECTOR

to

select

the

source

to

be

played.

-

►

TUNER

-*-

-

►

VIDEOI

-«-

1

-

►

TAPE

1

-

►

VIDE02

-

►

V

IDEOI

-

-'

The

source

name

characters

appear

on

the

dis¬

play

in

the

cycle

as

shown

above.

•

Do

not

set

the

INPUT

SELECTOR

knob

in

the

mid

position

between

click

positions.

■

T

o

mute

the

sound

temporarily

f—

-'

Press

the

MUTE

key

on

the

remote

control

unit.

CS]

CS

,

lue

I

VOLUME

CONTROL

0

Adjust

the

left

and

right

volume

balance.

'

For

the

tone

control,

refer

to

"Graphic

(page

13).

Function

of

the

LOUDNESS

key

|

While

dynamic

sound

can

be

experienced

at

high

volume

levels,

music

may

become

flat

with

poor

bass

when

the

volume

is

set

low.

To

compensate

for

this,

p

ess

the

LOUDNESS

key

when

the

VOL-

UME

CONTROL

is

set

to

a

low

level.

The

bass

will

be

boosted

making

the

sound

richer

ar

d

fuller.

%

0

'TUNER

*

y

Lights

up

i

the

VOLUME

CONTROL

knob

on

the

front

I

I^When

the

TAPE

2

key

is

set

to

ON,

the

source

selected

with

the

INPUT

SELECTOR

cannot

be

heard

from

the

speakers.

To

listen

to

a

sc

other

than

cassette

deck

2,

be

sure

to

set

the

TAPE

2

key

to

OFF.

2.

The

source

selected

with

the

INPUT

SELECTOR

is

backed

up

for

a

few

days

even

when

the

power

cord

is

unplugged.

After

this

period

tuner

is

automatically

selected

when

the

power

is

supplied.

10

KC-991

(En)

RTli

j

m