Sony WX-C770 User Manual
31
EN
Troubleshooting guide
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.
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.
No beep tone.
Cause/Solution
•Cancel the MUTE function.
•Set the fader control to the center position for two-speaker
•Set the fader control to the center 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.
•The reset button has been pressed.
n
Store again into the memory.
The beep tone is muted.
CD/MD playback
Cause/Solution
•Another CD is already loaded.
•The CD is forcibly inserted upside down or in the wrong way
•The CD is forcibly inserted upside down or in the wrong way
(MD).
Defective MD or dusty CD.
The ambient temperature exceeds 50 °C.
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.
•The unit is not installed in a sturdy part of the car.
Problem
A disc cannot be loaded.
Playback does not begin.
A disc is automatically ejected.
The operation buttons do not
function.
function.
The sound skips due to
vibration.
vibration.
Additional Information
Tape playback
Cause/Solution
Contamination of the tape head. n Clean the head.
•There is noise in the space between tracks.
•A blank space is too short (less than four seconds).
•+ on (SEEK/AMS) is pressed immediately before the
•A blank space is too short (less than four seconds).
•+ on (SEEK/AMS) is pressed immediately before the
following track.
•= on (SEEK/AMS) is pressed immediately after the track
starts.
•A long pause, or a passage of low frequencies or very low
sound level is treated as a blank space.
Problem
Playback sound is distorted.
The AMS does not operate
correctly.
correctly.