Panasonic RX-DT650 - Manual (Page 25)

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
Common problems
No operation when unit is
powered by batteries. Is the AC power cord still connected to the unit
while batteries are being used?
Disconnect the AC power cord.
Are the batteries flat? Replace them with new ones. Alternatively, use a
household AC outlet as the power source.
Have the batteries been installed incorrectly with
their (+) and {-) polarities reversed?
Align the (+) and (-) polarities correctly.
“U01” appears. The batteries are flat. Replace them with new ones. Alternatively, use a
household AC outlet as the power source.
“U02” appears.
Preparations have not been made to supply
power to the unit Install the batteries or connect the AC mains lead.
While listening to CDs
Play does not start.
No display of track
numbers, etc. Has the CD been installed upside down? Install the CD with the label side facing up.
Has condensation formed on the unit’s CD
section?
Turn the unit on and leave it on for about an hour
before further operation.
Certain sections are not
played properly. Is the CD dirty? Wipe it with a soft cloth.
Is the CD scratched? Replace it with a new CD.
While listening to ta pes
No recording. Have the erase-prevention tabs been removed? Cover the holes with adhesive tape.
High level of noise; poor
sound quality. Are the heads dirty? Clean them.
Have the heads been magnetized? Demagnetize them using a demagnetizer available
from an audio store.
While listening to the radio
High level of noise; stations
cannot be tuned in weli.
Has the antenna been adjusted properly? Try changing its direction.
Noise heard during AM
reception. Are you operating the unit and a TV set at the
same time?
Place the unit at a distance from the TV.
Alternatively, turn off the TV’s power.
Are you using a remote controller for other
appliances near the unit? Use the remote controller at a distance.
While using the remote control
Are the batteries flat? Replace them with new ones.
Have the batteries been installed incorrectly with
their (+) and (-) polarities reversed?
Align the (+) and (-) polarities correctly.
Is the remote control’s transmitter pointed at the
unit’s sensor? Check whether anything is obstructing the path
between the two and point the remote control squarely
at the unit’s sensor and operate.
Is the unit’s sensor exposed to direct sunlight or
strong fluorescent light? Shield the sensor from strong sources of light.
No operation.
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