Troubleshooting Guide - Sony CDX-4150RDS Operating Instructions Manual

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
No sound.
The contents of the memory
have been erased.
Indications do not appear in the
display.
No beep tone.
CD playback
Problem
CD cannot be loaded.
Play does not begin.
CD is automatically ejected.
The operation buttons do not
function.
The sound skips due to
vibration.
Radio reception
Problem
Preset tuning is not possible.
Automatic tuning is not
possible.
The "ST" indication flashes.
Actual total number:
Cause/Solution
•Adjust the volume with (+).
•Set the fader control to the centre position for two-speaker
systems.
• The power cord or battery has been disconnected.
• The reset button has been pressed.
n Store the settings again into the memory.
Remove the front panel and clean the connectors. See "Cleaning
the connectors" (page 13) for details.
• An optional power amplifier is connected to the LINE OUT.
• The beep tone is muted (page 11).
Cause/Solution
Another CD is already loaded.
The CD was forcibly inserted upside down.
Dusty disc.
The ambient temperature is more than 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.
Cause/Solution
• Store the correct frequency.
• The broadcast signal is too weak.
The broadcast signal is too weak.
n Use manual tuning.
•Tune in the frequency correctly.
•The broadcast signal is too weak.
n Set to the MONO mode (page 7).
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