Harman Kardon TU905 Owners Manual - Page 7

TROUBLESHOOTING

CHECKLIST

Most

of

the

problems

consumers

have

with

their

high fidel-

ity

systems

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

amplifier,

speakers

and

other

electrical

equip-

ment

you

use

with

this

tuner.

Problem

Cause

Remedy

The

dial

panel

does

not

light

up

when

the

POWER

switch

is

pressed.

*The

power

cord

is

not

plugged

in.

*The

power

cord

is

plugged

into

a

recep-

tacle

that

is

not

"live".

•Plug

in

the

power

cord

securely.

•Plug

the

power

cord

into

a

"live"

receptacle.

The

dial

panel

lights

up,

but

no

sound

is

heard.

*The

connection

wires

are

disconnected

or

broken.

•The

tuned

frequency

does

not

carry

a

broadcast.

*The

muting

function

is

active

and

the

sig-

nal

strength

is

weak.

•The

function

switch

or

speaker

switch

of

the

amplifier

are

not

set

in

the

correct

po-

sition.

•Check

the

connection

wires

and

connect

them

correctly.

*Tune

to

a

broadcast

station.

•Press

the

MUTING

switch

to

the

"off"

po-

sition.

•Read

the

owner's

manual

of

the

amplifier

and

operate

it

correctly.

When

listening

to

an

FM

stereo

broadcast,

noise

is

heard,

while

it

is

not

heard

when

listening

monaurally.

'This

is

a

reception

problem

that

is

affect-

ing

stereo

decoding.

•Press

the

HIGH

BLEND

switch

to

the

ON

position

(button

in).

•Press

the

FM

switch

of

the

FUNCTION

SELECTOR.

•Reposition

the

antenna

for

better

reception.

FM

sound

has

a

large

amount

interference.

The

STEREO

FM

indicator

is

not

completely

illuminating.

Sound

distorts

and/or

the

volume

level

becomes

low.

•Incorrect

connection

to

the

antenna.

•Poor

location

and/or

direction

of

the

antenna.

•Transmitting

station

is

too

far

away.

•Multi

-path

distortion

is

being

caused

by

the

mutual

interference

of

broadcast

sig-

nals

received

directly

from

the

transmit-

ting

station

(direct

waves)

and

signals

being

reflected

from

nearby

buildings

or

mountains

(reflected

waves).

*Check

the

antenna

connection

wires

and

connect

them

correctly.

•Try

changing

the

location,

height

and/or

direction

of

the

antenna.

•If

an

indoor

antenna

is

being

used,

change

to

an

outdoor

antenna.

•Use

a

more

directional

antenna.

A

buzzing

or

hissing

noise

is

produced

continuously

or

in-

termittently.

•Caused

by

the

"discharge

phenomenon"

and

the

"oscillation

phenomenon"

of

nearby

electric

appliances

(such

as

fluorescent

lights,

TV,

motors,

etc.).

•Place

this

unit

further

away

from

these

types

of

electric

appliances.

•Install

noise

-filters

on

the

electric

ap-

pliances.

Warranty

and

After

-sale

Service

•

Please

find

the

description

of

our

warranty

policy

enclosed

with

this

unit.

•

Read

it

carefully

and

keep

it

in

a

safe

place.

•The

warranty

period

is

two

years

from

the

date

of

pur-

chase.

Your

bill

of

sale

identifies

this

date.

Therefore,

it

is

important

that

you

also

keep

the

bill

of

sale

for

the

length

of

the

warranty

period.

•If

this

unit

does

not

operate

normally,

first

check

this

unit

by

yourself

following

the

instructions

provided

in

"Troubleshooting

Checklist"

in

the

manual.

•If

a

problem

persists

even

though

you

have

done

as

suggested

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

details,

refer

to

the

warranty

card.

6

Harman Kardon TU905 Owners Manual - Page 7

Troubleshooting, Checklist

Page 7 highlights