Sony WX-C5000 Operating Instructions Manual page 22

Radio reception
Problem
Preset tuning is not possible.
The stations cannot be received.
The sound is hampered by
noises.
Automatic tuning is not
possible.
The "ST" indication flashes.
A programme broadcast in
stereo is heard in monaural.
Error displays (when an optional CD/MD unit is connected)
The following indications will flash for about five seconds, and an alarm sound will be heard.
Display
If the above-mentioned solutions do not help to improve the situation, consult your nearest Sony
dealer.
22
Cause/Solution
•Memorise the correct frequency.
•The broadcast signal is too weak.
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 built-in FM/AM aerial in the
rear/side glass.)
The broadcast signal is too weak.
t Use manual tuning.
•Tune in the frequency accurately.
•The broadcast signal is too weak.
t Press (SENS/BTM) to enter Monaural mode (page 13).
The unit is in monaural reception mode.
t Cancel Monaural mode (page 13).
Cause
The disc magazine is not inserted in
the CD/MD unit.
No disc is inserted in the disc
magazine.
The disc is dirty.
The disc is inserted upside down.
The ambient temperature is more than
50°C.
Solution
Insert the disc magazine with discs
into the CD/MD unit.
Take out the magazine and insert a
disc.
Clean the disc.
Insert the disc correctly.
Wait until the temperature goes
below 50°C.