Panasonic SA-AK48 Manuel d'utilisation - Page 30

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Troubleshooting guide

Before requesting service for this unit, check the chart below for a possible cause of the problem you are experiencing. Some simple checks or a

minor adjustment on your part may eliminate the problem and restore proper operation.

If you are in doubt about some of the check points, or if the remedies indicated in the chart do not solve the problem, refer to the directory of

Authorized Service Centers (enclosed with this unit) to locate a convenient service center, or consult your dealer for instructions.

Problem

Problems common to all systems

ECO mode is on but the

display panel still lights up.

The location of the various

musical instruments is not

well defined.

The left and right sounds

are reversed.

LOW frequency sounds

cannot be heard.

When listening to the

external unit, the left and

right sounds are reversed.

There is no sound when a

source is being played.

"ERROR" message appears

on the display.

"– – : – –" appears on the

display.

"F61" appears on the

display.

While listening to FM broadcasts

There is a "rushing noise"

during a stereo broadcast

which is not audible during

a monaural broadcast.

You hear excessive noise

during a stereo broadcast,

and occasionally the sound

disappears.

The stereo indicator

("STEREO") flickers and

does not light completely.

The sound during a stereo

broadcast is highly distorted.

While listening to AM broadcasts

You hear an unusual beat

sound.

You hear a low-frequency

hum.

RQT5321

Probable cause(s)

DEMO mode is on.

The (+) and (–) connections to one of the

speakers are reversed.

The left and right connections to the

speaker are reversed.

Either the left or the right LOW speaker

cable is not connected.

The left and right connections to the

external unit are reversed.

The (+) and (–) wire of the speaker

cords are shorted.

Incorrect operation has been done.

• You plugged the power cord in for the

first time.

• There was a power failure recently.

Check if the speaker cords have shorted.

The transmitting station is a long distance

away.

The installation location and orientation of

the antenna are unsuitable.

The transmitting station is a long distance

away.

The power of the TV set or VCR is ON.

There is a building or mountain nearby.

You are using the system at the same time

you are playing a TV set.

The antenna wire is near the power cord.

Suggested remedy

Turn DEMO mode off.

Connect the speaker cords correctly.

Connect the left and right speaker cables to

the LOW terminals.

Connect the external unit's cord correctly.

Switch the system to the standby mode,

and reconnect the speaker cords so that they

are not shorted. Then switch on the power.

Operate the unit correctly by following the

operating instructions.

Set the time.

If they are not shorted then there is a power

supply problem. Consult your dealer for

assistance.

If you are using an indoor antenna, change

to an outdoor antenna.

Try switching off the TV set or VCR.

Use a high-grade outdoor antenna, and

install it in a good location, height, and

orientation for reception.

Switch off the TV set, or use the system

further away from it.

Separate the antenna wire from the power

cord.

Reference

page(s)