Sony CDX-C860 - Manual (Page 33)

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 Cause/Solution
No sound. • Cancel the MUTE function.
• Set the fader control to the center position for two-speaker
systems.
• Rotate the dial in a clockwise direction to adjust the volume.
The contents of the memory
have been erased.
• The power cord or battery has been disconnected.
• The reset button has been pressed.
—► Store again into the memory.
Indications do not appear in the
display.
Remove the front panel and clean the connectors. See "Cleaning
the connectors" (page 28) for details.
CD/MD playback
Problem Cause/Solution
A disc cannot be loaded. • Another CD is already loaded.
• The CD is forcibly inserted upside down or in the wrong way
(MD).
Playback does not begin. Defective MD or dusty CD.
A disc is automatically ejected. The ambient temperature exceeds 50 °C (122 °F).
The operation buttons do not
function. Press the reset button.
The sound skips due to
vibration. • The unit is installed at an angle of more than 20°.
• The unit is not installed in a sturdy part of the car.
Radio reception
Problem Cause/Solution
Preset tuning is not possible. • Memorize the-correct frequency.
• The broadcast signal is too weak.
Automatic tuning is not
possible.
The broadcast signal is too weak.
—► Usftmanual tuning.
The "ST" indication flashes. • Tune in the frequency accurately.
• The broadcast signal is too weak.
—► Set to the MONO mode (page 10).
DSP functions
Problem Cause/Solution
No sound, or sound is too low. The volume of the rear speakers may have been automatically
lowered in order to maximize' the effect of the listening position
adjustment.
—► Rotate the dial in a clockwise direction to adjust the balance.
The speaker balance can be set separately for DSP on mode
and DSP off mode (page 13).
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