Panasonic SC-CH60 - Manual (Page 56)

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 Probable cause(s) Suggested remedy
Probiems common to ail systems
There is no sound when the
power Is ON and no bar
appears on the votunw
level display.
Volume is set too low. Adjust the volume level with the volume control on
the amplifier.
The location of the various
musical instruments Is not
well defined. The (+) and (-) connections to one of the
speakers are reversed.
Connect the speaker cords correctly.
The left and right sounds
are reversed. The left and right connections to the speaker are
reversed. Connect the speaker cords correctly.
Only one speaker is
emitting sound.
One of the wires of the speaker cords is
disconnected. Connect the speaker cords correctly.
There is no sound when a
source is being played. The (+) and (-) wires of the speaker cords are
shorted.
Switch the system to the standby mode, and
reconnect the speaker cords so that they are not
shorted.
Then switch on the power.
There is a low-frequency
hum when a source is
being played.
A power cord or a fluorescent light is located near
a connecting cord. Keep electrical appliances wett away from the
connecting cords.
While listening to FM broadcasts
There is a “rushing” noise
during a stereo broadcast
which Is not audible during
a monaural broadcast.
Noise is more likely to appear on a stereo signal
than on a monaural signal.
You hear excessive noise
during a stereo broadcast,
and occasionally the sound
disappears.
•The installation location and orientation of the
antenna are unsuitable.
•The transmitting station is a long distance away.
The stereo Indicator of the
tuner flickers and does not
light completely.
The sound of stereo
broadcast Is badly distorted. There is a building or mountain nearby. [Distortion
is caused by interference between the signal from
the transmitting station (direct wave) and the
signal reflected from the building or mountain
(reflected wave).]
•If you are using an indoor antenna, change to an
outdoor antenna.
• If you are using a special outdoor antenna, try
changing the installation location, height, and
orientation.
•Try switching off the television or VCR.
•Press the FM mode button to change the
reception from stereo to monaural mode.
While listening to AM broadcasts
You hear an unusual beat
sound. You are using the system with a television on
nearby.
Switch off the TV set, or move the system farther
away from it.
You hear a low-frequency
hum. The antenna wire is near the power cord. Separate the antenna wire from the power cord.