Panasonic CQ-C300U - Manual (Page 25)

CQ-C300U
25
English
Troubleshooting
Troubleshooting
Problem Possible cause  Possible solution
Some operations are
not executable.
Some operations are not executable in particular modes such as menu mode.
 Read the operating instructions carefully and cancel the mode. If the unit is
still out of order, consult your dealer.
No sound from
speaker(s)
Balance/Fader setting is not appropriate.
 Readjust Balance/Fader.
There is a break, a short circuit, poor contact or wrong wiring regarding the
speaker wiring.
 Check the speaker wiring.
The speaker channels
are reversed between
right and left.
The speaker wiring is confused between right and left.
 Perform the speaker wiring in accordance with the wiring diagram.
The sound field is not
clear in the stereo
mode.
Central sound does not
settled.
The plus and minus terminals at right and left channels of speakers are connected
reversely.
 Perform the speaker wiring in accordance with the wiring diagram.
The power fails
unintentionally. The safety device works.
 Consult your dealer, or your nearest Panasonic Servicenter.
Poor reception or
noise
Antenna installation or wiring of antenna cable is faulty.
 Check whether the antenna mounting position and its wiring are correct. In
addition, check to see whether the antenna ground is securely connected to
the chassis.
No power is supplied to the antenna amplifier (when using a film antenna, etc.).
 Check the wiring of the antenna power lead.
The number of auto
preset stations is less
than 6.
The number of receivable stations is less than 6.
 Move to an area where receivable stations number is maximum, and try
presetting.
Preset stations cannot
be stored.
The contact of the battery lead is poor, or the battery lead is not always powered.
 Make sure that the battery lead is connected securely, and preset stations
again.
Common (continued)
Radio