Mp3 disk no audio when playing

First, make sure the CD is an AUDIO CD, and not a DATA CD

If you have recorded a Picture CD or MP3 CD
yourself, ensure that your disc contains at least 10
pictures or 5 MP3 tracks.

MP3(ISO 9660) 96, 112, 128, 256
kbps & variable
bit rate fs, 32, 44.1,
48 kHz

– MP3 discs, picture (JPEG) files
on CD-R(W).
– JPEG/ISO 9660 format
– Maximum 9 characters display.
– Supported sampling frequencies :
32 kHz, 44.1 kHz, 48 kHz (MPEG-1)
16 kHz, 22.05 kHz, 24 kHz (MPEG-2)
– Supported Bit-rates : 32~256 kbps
(MPEG-1), 8~160 kbps (MPEG-2)
variable bitrates