Troubleshooting
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
No sound.
•Rotate the volume control dial to adjust the volume.
•Cancel the ATT function.
•Set the fader control to the centre position for a
•You tried to play back MP3 files with an optional CD unit which is incompatible with MP3.
t Play back with a Sony MP3 compatible CD unit, such as the
The contents of the memory have been erased.
•The RESET button has been pressed. t Store again into the memory.
•The power lead or battery has been disconnected.
•The power connecting lead is not connected properly.
No beep sound.
•The beep sound is cancelled (page 15).
•An optional power amplifier is connected and you are not using the
The display disappears from/does not appear in the display window.
•The display disappears if you press and hold
(OFF).
t Press and hold (OFF) again until the display appears.
•Remove the front panel and clean the connectors. For details, see “Cleaning the connectors” on page 21.
Stored stations and correct time are erased. The fuse has blown.
Makes noise when the ignition key is in the ON, ACC, or OFF position.
The leads are not matched correctly with the car’s accessory power connector.
No power is being supplied to the unit.
•Check the connection. If everything is in order, check the fuse.
•The car does not have an ACC position.
t Press (SOURCE) (or insert a cassette) to turn on the unit.
The power is continuously supplied to the unit.
The car does not have an ACC position.
The power aerial does not extend.
The power aerial does not have a relay box.
Tape playback
The sound is distorted.
The tape head is contaminated.
tClean the head with a commercially available
The AMS does not operate correctly.
•There is noise in the space between tracks.
•A blank space is too short (less than 4 seconds).
•A long pause, or a passage of low frequencies or very low sound level is treated as a blank space.
Radio reception
Preset tuning is not possible.
•Store the correct frequency in the memory.
•The broadcast signal is too weak.
The stations cannot be received. The sound is hampered by noises.
•Connect a power aerial control lead (blue) or accessory power supply lead (red) to the power supply lead of a car’s aerial booster (only when your car has
•Check the connection of the car aerial.
•The auto aerial will not go up.
t Check the connection of the power aerial control lead.
•Check the frequency.
•When the DSO mode is on, the sound is sometimes hampered by noises.
t Set the DSO mode to “OFF” (page 17).
Automatic tuning is not possible.
•The local seek mode is set to “ON.” t Set the local seek mode to “OFF”
•The broadcast signal is too weak. t Perform manual tuning.
The “ST” indication flashes.
•Tune in the frequency accurately.
•The broadcast signal is too weak.
t Set the monaural reception mode to “ON” (page 11).
A programme broadcast in stereo is heard in monaural.
The unit is in monaural reception mode.
tCancel monaural reception mode (page 11).
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