Sony CDX-4180R - Manual (Page 21)

21
EN
Troubleshooting guide
Problem
No sound.
The contents of the memory
have been erased.
Indications do not appear in the
display.
No beep tone.
Cause/Solution
•Cancel the ATT function.
•Set the fader control to the centre position for two-speaker
systems.
•Rotate the dial in a clockwise direction to adjust the volume.
• The power cord or battery has been disconnected.
• The reset button has been pressed.
n Store again into the memory.
Remove the front panel and clean the connectors. See “Cleaning
the connectors” (page 18) for details.
•An optional power amplifier is connected and you are not
using the built-in amplifier.
• The beep tone is attenuated (page 16).
Radio reception
Problem
Preset tuning is not possible.
Automatic tuning is not
possible.
The “ST” indication flashes.
Cause/Solution
• Memorise the correct frequency.
• The broadcast signal is too weak.
The broadcast signal is too weak.
n
Use manual tuning.
•Tune in the frequency accurately.
•The broadcast signal is too weak.
n Set to the MONO mode (page 9).
The following checklist will help you remedy the problems you may encounter with your unit.
Before going through the checklist below, check the connection and operating procedures.
General
Additional Information
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 6 for two seconds.
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.
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.
CD playback