Harman Kardon HK6500 Owners Manual - Page 10

TROUBLESHOOTING

CHECKLIST

Most

of

the

problems

consumers

have

with

their

high

fidelity

system

are

due

to

incorrect

operation.

If

this

unit

does

not

operate

as

you

intended,

first

check

the

items

in

the

following

checklist.

Also

check

other

related

components

such

as

the

tuner,

turntable,

speakers

and

other

electrical

equipment

you

use

with

this

amplifier.

Problem

Cause

Remedy

The

POWER

indicator

does

not

light

up

when

the

POWER

swit-

ch

is

pressed.

•

The

power

cord

is

not

plugged

in.

•

Plug

in

the

power

cord

securely.

The

POWER

indicator

lights

up,

but

no

sound

is

heard.

•

The

TAPE

MONITOR

selector

is

in

the

Tape

1

or

Tape

2

position.

•

The

FUNCTION

selection

was

not

made

properly.

•

The

SPEAKERS

selector

is

in

the

Off

po-

sition.

•

The

External

Processorswitch

is

not

in

the

appropriate

position.

•

The

speaker

wires

are

disconnected

or

broken.

•

Set

the

TAPE

MONITOR

selector

to

the

Source

position.

•

Set

the

FUNCTION

selector

to

the

proper

position

for

the

desired

program

source.

•

Set

the

SPEAKERS

selector

to

the

posi-

tion

of

your

desired

speaker

system(s).

•

When

equalizer,

surround

sound

proces-

sors,

etc.

are

not

used,

make

sure

that

the

External

Processorswitch

is

not

set

in

the

In

Line

position

(not

pressed

down).

•

Check

the

speaker

wires

and

connect

them

correctly.

Sound

is

not

heard

from

the

speaker

system

on

one

side.

•

The

connection

of

speaker

wires

is

incor-

rect

or

incomplete.

•

The

connection

wires

to

other

equipment

are

disconnected.

•

The

BALANCEcontrol

knob

is

turned

to

ei-

ther

the

extreme

right

or

left

position.

•

Check

the

speaker

wires

for

disconnec-

tion

or

breaking

and

reconnect

them

cor-

rectly.

•

Check

the

wires

for

disconnection

and

connect

them

correctly.

•

Set

the

mark

on

the

BALANCE

control

knob

to

the

center

position.

When

listening

to

stereo

sound,

the

left

and

right

sounds

are

reversed.

•

The

left

and

right

speaker

wires

are

rever-

sed.

•

The

left

and

right

wires

connected

to

other

equipment

are

reversed.

•

Check

the

speaker

wires

and

connect

them

correctly.

•

Check

the

wires

to

other

equipment

and

connect

them

correctly.

When

playing

a

turntable,

a

low-pitched

noise

("hum"

or

"buzz")

is

heard.

•

The

ground

wire

of

the

turntable

is

discon-

nected.

•

The

connections

of

the

turntable

wires

are

incorrect

or

incomplete.

•

Make

the

ground

wire

connection

correctly.

•

Insert

the

turntable

wires

into

the

PHONO

jacks

of

this

unit

securely.

When

increasing

the

volume

level

while

playing

a

turntable,

an

undesirable

prolonged

sound

(howling)

is

heard.

•

"Howling"

is

created

by

the

speakers

and

turntable.

•

Too

much

low

frequency

sound

is

pres-

ent.

•

Place

the

speakers

further

away

from

the

turntable.

•

Place

the

turntable

on

a

more

solid

sur-

face.

•

Decrease

the

setting

of

the

BASS

control

knob

and/or

turn

off

the

Phase

Correct

Loundness

switch

.

•

Turn

on

the

Subsonic

filter.

Sound

quality

is

poor.

•

Input

components

have

not

been

set

up

correctly.

•

Tone

control

is

not

proper.

•

Check

the

antenna

of

the

tuner,

cartridge

of

the

turntable,

or

head

of

the

tape

deck,

etc.

and

make

corrections

as

needed.

•

Adjust

the

BASS

and/or

TREBLE

control

knobs

to

obtain

the

desired

tone.

9

Harman Kardon HK6500 Owners Manual - Page 10

Troubleshooting, Checklist

Page 10 highlights