Sony STR-AV550 Operating Instructions - Page 33

TROUBLESHOOTING

PROBLEM

!

CAUS

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=

75.

E

a

Sound

is

not

heard.

The

speaker

or

program

source

equipment

is

not

connected

correctly.

Connect

the

equipment

correctly.

The

SPEAKERS

selectors

are

not

set

correctly.

Set

the

selectors

correctly.

(See

page

5.)

The

MONITOR

button

has

been

pressed

for

a

program

source

other

than

tape

deck

2.

Press

to

disengage

it.

The

correct

FUNCTION

button

is

not

pressed.

Press

the

correct

FUNCTION

button.

The

function

switch

on

the

VCR

is

not

set

correctly.

Set

the

switch

appropriately.

The

volume

is

set

to

minimum.

Increase

the

volume.

One

channel

does

not

transmit

audio,

or

the

volume

from

the

left

and

right

speakers

is

unbalanced.

The

BALANCE

control

buttons

are

not

set

appropriately.

Adjust

the

BALANCE

control

buttons.

The

speaker

or

program

source

Is

not

connected

correctly.

Connect

the

equipment

correctly.

There

is

an

abrupt

loss

of

sound

from

one

or

both

of

the

speakers,

and

the

PROTECTOR

indication

flickers

in

the

display

window.

A

short-circuit

problem

activates

the

protective

circuit.

Turn

off

the

receiver,

eliminate

the

short-circuit

problem

and

turn

on

the

power

again.

If

there

is

no

short

-

circuit,

consult

your

nearest

Sony

dealer.

Sound

transmitted

from

the

speakers

is

reversed.

The

speakers

are

not

connected

correctly.

Connect

the

right

speaker

to

the

R

SPEAKER

terminals

and

the

left

speaker

to

the

L

SPEAKER

terminals.

There

is

lack

of

bass

sound

or

the

instrument

position

is

obscure.

The

speaker

is

connected

with

the

polarities

reversed.

Connect

the

speaker

with

the

correct

®

e

polarities.

Severe

hum

or

noise

is

heard.

The

connecting

cords

are

not

of

shielded

type.

Use

shielded

type

cords.

A

transformer,

motor,

TV

or

fluorescent

light

affects

the

connecting

cord,

Place

the

connecting

cords

in

a

location

away

from

a

transformer

or

motor,

and

at

least

3

meters

(10

feet)

from

a

TV

set

or

a

fluorescent

light.

The

audio

components

are

too

close

to

a

TV

set.

If

both

are

used

at

the

same

time,

separate

the

TV

from

the

audio

components.

The

receiver

is

not

grounded.

Connect

the

ground

wire

to

the

antenna

ground

terminal.

The

connections

are

loose.

Make

secure

connections.

The

plugs

and

jacks

are

dirty.

Wipe

the

plugs

and

jacks

with

a

cloth

lightly

dampened

with

alcohol.

The

Remote

Commander

does

not

operate.

The

batteries

are

exhausted.

Replace

the,

batteries

with

new

ones.

The

MAIN

POWER

switch

on

the

receiver

is

not

depressed.

Depress

the

MAIN

POWER

switch.

33

Sony STR-AV550 Operating Instructions - Page 33

Sony STR-AV550 Manual

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