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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.
General
Problem
No sound.
The contents of the memory
have been erased.
Indications do not appear in the
display.
Cause/Solution
•Cancel the ATT function.
•Set the fader control to the centre position for speaker
systems.
•Rotate the dial clockwise to adjust the volume.
• The power cord or battery has been disconnected.
• The reset button has been pressed.
t Store again into the memory.
Remove the front panel and clean the connectors. See
“Cleaning the connectors” (page 43) for details.
Radio reception
Problem
Preset tuning is not possible.
Automatic tuning is not
possible.
The stations cannot be
received.
The sound is hampered by
noises.
The “ST” indication flashes.
Cause/Solution
• Memorise the correct frequency.
• The broadcast signal is too weak.
The broadcast signal is too weak.
t Use manual tuning.
Connect a power antenna control lead (blue) or accessory
power input lead (red) to the power supply lead of a car’s
antenna booster.
(When your car has built-in FM/MW/LW antenna in the rear/
side glass only.)
•Tune in the frequency accurately.
•The broadcast signal is too weak.
t Set to Mono mode (page 15).
Cause/Solution
•Another MD is already loaded.
•The MD is forcibly inserted upside down or in the wrong
way (CD).
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.
Problem
A disc cannot be loaded.
Playback does not begin.
A disc is automatically ejected.
The operation buttons do not
function.
The sound skips due to
vibration.
CD/MD playback