Sony CDX-C480 Manual
25
EN
Troubleshooting guide
The following checklist will help you remedy problems you may encounter with your unit.
Before going through the checklist below, check the connection and operating procedures.
Before going through the checklist below, check the connection and operating procedures.
General
Problem
No sound.
The contents of the memory
have been erased.
have been erased.
Indications do not appear in the
display.
display.
No beep tone.
Cause/Solution
•Rotate the dial in a clockwise direction to adjust the volume.
•Set the fader control to the center position for two-speaker
•Set the fader control to the center position for two-speaker
systems.
• The power cord or battery has been disconnected.
• The reset button has been pressed.
• The reset button has been pressed.
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Store again into the memory.
Remove the front panel and clean the connectors. See “Cleaning
the connectors” (page 22) for details.
the connectors” (page 22) for details.
•An optional power amplifier is connected and you are not
using the built-in amplifier.
• The beep tone is attenuated (page 13).
Cause/Solution
•Another CD is already loaded.
•The CD was forcibly inserted upside down or in the wrong
•The CD was forcibly inserted upside down or in the wrong
way (MD).
Defective MD or dusty CD.
The ambient temperature exceeds 50°C (122°F).
Press the reset button.
• The unit is installed at an angle of more than 60°.
• The unit is not installed in a sturdy part of the car.
• The unit is not installed in a sturdy part of the car.
Problem
A disc cannot be loaded.
Play does not begin.
A disc is automatically ejected.
The operation buttons do not
function.
function.
The sound skips due to
vibration.
vibration.
CD/MD playback
Problem
Preset tuning is not possible.
Automatic tuning is not
possible.
possible.
The “ST” indication flashes.
Cause/Solution
• Store the correct frequency in the memory.
• The broadcast signal is too weak.
• The broadcast signal is too weak.
The broadcast signal is too weak.
n
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Use manual tuning.
•Tune in the frequency precisely.
•The broadcast signal is too weak.
•The broadcast signal is too weak.
n
Set to the MONO mode (page 10).
Radio reception
Additional Information