13
EN
Actual total number:
SONY EXCD-31 (E) 3-810-609-11(1)
Troubleshooting Guide
The following checklist will assist in the correction of most problems which you may encounter with
your unit.
Before going through the checklist below, refer to the connection and operating procedures.
General
Problem
No sound
The contents of the memory
have been erased.
Indications do not appear in the
display window.
Antenna does not retract.
No beep tone.
Cause/Solution
•
Adjust the volume with + side of the +/– button.
•
Set the fader control to the center position for 2-speaker
systems.
•
The power cord or battery has been disconnected.
•
The reset button has been pressed.
n
Store stations into memory again.
Remove the front panel and clean the connectors. See “Cleaning
the Connectors” of “Maintenance” for details.
When the AMP/ANT REM lead is connected to the power
antenna, the antenna will be extended as long as the unit is
turned on.
•
An optional power amplifier is connected to the LINE OUT.
•
The beep tone is muted (page 9).
CD playback
Problem
CD cannot be loaded.
Play does not begin.
CD is automatically ejected.
CD will not eject.
The operation buttons do not
function.
The sound skips due to
vibration.
Cause/Solution
•
Another CD is already loaded.
•
The CD was forcibly inserted upside down.
Dusty disc.
The ambient temperature is more than 50°C.
Press the
6
button for more than two seconds.
Press the reset button.
•
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
Cause/Solution
•
Memorize the correct frequency.
•
The broadcast is too weak.
The broadcast is too weak.
n
Use manual tuning.
•
Tune in precisely.
•
The broadcast is too weak.
n
Press the
SENS
button to enter the MONO mode.
Problem
Preset tuning is not possible.
Automatic tuning is not
possible.
The “STEREO” indication
flashes.