Sony CDX-C460 - Manual (Page 21)

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.
General
Problem Cause/Solution
No sound. • Adjust the_volume with (T).
• Set the fader control to the center position for two-speaker
systems.
The contents of the memory
have been erased. • The power cord or battery has been disconnected.
• The reset button has been pressed.
—► Store again into the memory.
Indications do not appear in the
display. Remove the front panel and clean the connectors. See "Cleaning
the connectors" (page 16) for details.
No beep tone. • An optional power amplifier is connected and you are not
using the built-in amplifier.
• The beep tone is muted (page 10).
CD/MD playback
Problem Cause/Solution
A disc cannot be loaded. • Another CD is already loaded.
• The CD was forcibly inserted upside down or in the wrong
way (MD).
Play does not begin. Defective MD or dusty CD.
A disc is automatically ejected. The ambient temperature exceeds 50° C (122° F).
The operation buttons do not
function. Press the reset button.
The sound skips due to
vibration. • The unit is installed at an angle of more than 20°.
• The unit is not installed in a sturdy part of the car.
Radio reception
Problem Cause/Solution
Preset tuning is not possible. • Store the correct frequency in the memory.
• The bfoadcast signal is too weak.
Automatic tuning is not
possible.
The broadcast signal is too weak.
—► Use manual tuning.
The “ST" indication flashes. • Tune in the frequency precisely.
• The broadcast signal is too weak.
—► Set to the MONO mode (page 8).
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