Sony xr-4790 User Manual
14
EN
Troubleshooting guide
The following checklist will assist in the correction of most problems you may encounter with your
unit.
Before going through the checklist below, refer to the operating procedures.
unit.
Before going through the checklist below, refer to the operating procedures.
General
Cause/Solution
•
Adjust the volume with (+).
•
Set the fader control to the center position for 2-speaker
systems.
systems.
Remove the front panel and clean the connectors. See “Cleaning
the Connectors” in “Maintenance” for details.
The beep tone is attenuated.
Problem
No sound.
Indications do not appear on
the display.
the display.
No beep tone.
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
following track.
following track.
•
= on (SEEK/AMS) is pressed immediately after the track
starts.
starts.
•
A long pause, or a passage of low frequencies or very low
sound level is treated as a blank space.
sound level is treated as a blank space.
Problem
Playback sound is distorted.
The AMS does not operate
correctly.
correctly.
Radio reception
Problem
Preset tuning is not possible.
Automatic tuning is not possible.
Cause/Solution
•
Store the correct frequency.
•
The broadcast is too weak.
The broadcast is too weak. n Use manual tuning.
If the above-mentioned solutions do not help to improve the situation, consult your nearest Sony
dealer.
dealer.