Panasonic SC-CH950 - Manual (Page 78)

Troubleshooting Guide
Before requesting service for this unit, check the chart below for a possibie cause of the probiem 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 soive 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
Problems common to all systems
There is no sound when the
power is ON.
Volume is set too low. Adjust the volume level with the volume control on
the tuner amplifier.
The iocation of the various
musicai instruments is not
weii defined. The (+) and (-) connections to one of the
speakers are reversed.
Connect the speaker cord correctly.
The ieft and right sounds
are reversed. The left and right connections to the speaker are
reversed. Connect the speaker cord correctly.
The left and right connections to the each unit are
reversed.
Connect the each unit's cord correctly.
Oniy one speaker is
emitting sound. One of the wires of the speaker cord is
disconnected. Connect the speaker cord correctly.
There is no sound when a
source is being piayed. 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.
While listening to FM broadcasts
There Is a “rushing” noise
during a stereo broadcast
which Is not audible during
a monaural broddcast.
The transmitting station is a long distance away.
•If you are using an indoor antenna, change to an
outdoor antenna.
•If you are using a high-grade outdoor antenna, try
changing the installation location, height, and
orientation.
You hear axcessive noise
during a stereo broadcast,
and occasionally the sound
disappears.
The instailation location and orientation of the
antenna
a r e unsuitable.
The stereo indicator of the
tuner amplifier flickers and
does not light completely.
The transmitting station is a long distance away.
The power of the TV set or VCR is ON. Try switching off the TV set or VCR.
The sound during a stereo
broadcast is highly distored.
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).]
Use a high-grade outdoor antenna, and install it in a
good location, height, and orientation for reception.
While listening to MW/LW broadcasts
You hear an unusual beat
sound.
You are using the system at the same time you
are playing a TV set.
Switch off the TV set, or use the system farther away
from it.
You hear
a
low-frequehcy
hum.
The antenna wire is near the power cord. Separate the antenna wire from the power cord.