Harman Kardon HK490I Owners Manual - Page 11

TROUBLESHOOTING

CHECKLIST

.

.

.

.

Pthbi.e0:.

...

,

•

7.

.

.....

..

erneY

Sound

is

not

heard

from

the

speaker

system

on

one

side.

•The

connection

of

speaker

wires

are

incorrect

or

incomplete.

•The

wires

to

other

equipment

are

disconnected.

•The

BALANCE

control

knob

is

turned

to

either

the

extreme

right

or

the

left

position.

•Check

the

speaker

wires

for

discon-

nection

or

breaking

and

reconnect

them

correctly.

•Check

the

wires

for

disconnection

and

connect

them

correctly.

•Set

the

mark

on

the

BALANCE

con

-

trol

knob

to

the

center

position.

When

listening

to

stereo

sound,

the

left

and

right

sounds

are

reversed.

•The

left

and

right

speaker

wires

are

reversed.

•The

left

and

right

wires

connected

to

the

other

equipment

are

reversed.

•Check

the

speaker

wires

and

connect

them

correctly.

•Check

the

wires

to

other

equipment

and

connect

them

correctly.

Sounds

are

not

heard

in

stereo.

•The

AUDIO

MODE

selector

is

set

to

the

MONO

position.

•Place

the

AUDIO

MODE

selector

to

the

STEREO

(button

out)

position.

When

playing

to

a

turn-

table,

a

low-pitched

noise

("hum"or

"buzz")

is

heard.

•The

ground

connection

cord

of

the

turntable

is

disconnected.

•The

connections

of

the

turntable

wires

are

incorrect

or

incomplete.

•Make

the

grounding

connection

cor-

rectly.

•

Insert

the

turntable

wire

plugs

firmly

into

the

PHONO

terminal

of

this

unit.

When

increasing

the

vol-

ume

level

while

playing

a

turntable,

an

undesirable

prolonged

sound

(howl

ing)

is

heard.

•"Howling"

is

created

by

the

speakers

and

turntable.

•Too

much

low

frequency

sound

is

pre-

sent.

•Place

the

speakers

further

away

from

the

turntable.

•Place

the

turntable

on

a

more

solid

surface.

•

Decrease

the

setting

of

the

BASS

con-

trol

.

Turn

off

the

LOUDNESS

switch.

Turn

on

the

SUBSONIC

FILTER.

Sound

qual

ity

is

poor.

•

Input

components

have

not

been

set

up

correctly.

•Tone

control

is

not

proper.

•Check

the

antenna,

cartridge

of

the

turntable,

or

head

of

the

tape

deck,

etc.

and

make

corrections

as

needed.

•Adjust

the

BASS

and

TREBLE

control

knobs

to

obtain

a

desired

tone.

Warranty

and

After

-sale

Service

•Please

find

the

warranty

card

enclosed

with

this

unit

when

you

purchased

it.

•After

fi

ll

ing

in

the

required

items

and

reading

the

contents

of

the

warranty

card,

keep

it

in

a

safe

place.

•Warranty

term

is

two

years

after

purchasing.

•

If

this

unit

does

not

operate

normally,

first

check

this

unit

by

yourself

fol

lowing

the

instructions

provided

in

"Trou-

bleshooting

Checkl

ist"

in

the

manual

.

•

If

a

problem

persists

even

though

you

have

done

as

sug-

gested

in

the

checklist,

consult

your

authorized

Harman

Kardon

service

station.

•

Repair

within

the

warranty

term

is

made

according

to

the

prescriptions

specified

in

the

warranty

card.

For

detai

ls,

refer

to

the

warranty

card.

10

Harman Kardon HK490I Owners Manual - Page 11

Troubleshooting, Checklist

Page 11 highlights