Panasonic SC-AK18 User Manual

Reference

RQT5265

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

Probable cause(s)

Suggested remedy

Reference

page(s)

Problems common to all systems

ECO mode is on but the

DEMO mode is on.

Turn DEMO mode off.

display planel still lights up.

The location of the various

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

Connect the speaker cords correctly.

musical instruments is not

speakers are reversed.

well defined.

The left and right sounds

The left and right connections to the

Connect the speaker cords correctly.

are reversed.

speaker are reversed.

SC-AK28

LOW frequency sounds

Either the left or the right LOW speaker

Connect the left and right speaker cables to

cannot be heard.

cable is not connected.

the LOW terminals.

When listening to the

The left and right connections to the

Connect the external unit’s cord correctly.

external unit, the left and

external unit are reversed.

right sounds are reversed.

There is no sound when a

The (+) and (–) wire of the speaker

Switch the system to the standby mode,

source is being played.

cords are shorted.

and reconnect the speaker cords so that they
are not shorted. Then switch on the power.

“ERROR” message appears

Incorrect operation has been done.

Operate the unit correctly by following the

on the display.

operating instructions.

“– – : – –” appears on the

• You plugged the power cord in for the

Set the time.

display.

first time.

• There was a power failure recently.

“F61” appears on the

Check if the speaker cords have shorted.

If they are not shorted then there is a power

display.

supply problem. Consult your dealer for
assistance.

Troubleshooting guide

While listening to AM broadcasts

You hear an unusual beat

You are using the system at the same time

Switch off the TV set, or use the system

sound.

you are playing a TV set.

further away from it.

You hear a low-frequency

The antenna wire is near the power cord.

Separate the antenna wire from the power

hum.

cord.

While listening to FM broadcasts

There is a “rushing noise”

The transmitting station is a long distance

If you are using an indoor antenna, change

during a stereo broadcast

away.

to an outdoor antenna.

which is not audible during
a monaural broadcast.

You hear excessive noise

The installation location and orientation of

during a stereo broadcast,

the antenna are unsuitable.

and occasionally the sound
disappears.

The stereo indicator

The transmitting station is a long distance

(“STEREO”) flickers and

away.

does not light completely.

The power of the TV set or VCR is ON.

Try switching off the TV set or VCR.

The sound during a stereo

There is a building or mountain nearby.

Use a high-grade outdoor antenna, and

broadcast is highly distorted.

install it in a good location, height, and
orientation for reception.