Sony CDX-4160 - Manual (Page 13)

Troubleshooting guide
The following checklist will help you remedy the problems that you may encounter with your unit
Before going through the checklist below, check the connection and operating procedures.
General
Problem Cause/Solution
No sound. • Adjust the volume with (T).
• Set the fader control to the center position for two-speaker
systems.
The contents of the memory
have been erased.
• The power cord or battery has been disconnected.
• The reset button has been pressed.
—► Store the settings again into the memory.
Indications do not appear in the
display. Remove the front panel and clean the connectors. See "Cleanin
the connectors" (page 9) for details.
No beep tone. • An optional power amplifier is connected and you are not
using the built-in amplifier.
• The beep tone is muted (page 8).
CD playback -
Problem Cause/Solution
CD cannot be loaded. • Another CD is already loaded.
• The CD was forcibly inserted upside down.
Play does not begin. Dusty disc.
CD is automatically ejected. The ambient temperature is more than 50°C (122°F).
CD will not eject. Press the ^ button for two seconds.
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. • Store the correct frequency.
• The broadcast signal is too weak.
Automatic tuning is not
possible.
The broadcast signal is too weak.
—♦ Use manual tuning.
The “ST" indication flashes. •Tune in the frequency correctly.
• The broadcast signal is too weak.
—• Set to the MONO mode (page 7).
Error displays
The following indications will flash for about five seconds.
Display Cause Solution
r
n
u ^ CD is dirty
C ^ ' down.
or inserted upside Clean or insert the CD correctly.
p q q
The CD player cannot be operated Press the reset button or
^ ^ ^ because of some problem.
If the above-mentioned solutions do not help improve the situation, consult your nearest Sony
dealer.