Cd-rw?

Hi, I am facing this problem... I tried burning audio cd with Nero 5.5.6.4 with a CD-RW but my Discman(Sony D-FJ75TR) and my hi-fi(Aiwa NSX-KT9) wouldn't read it, any idea why? Is it because I am using CD-RW? My burner is Sony CRX175A1.
Please help!
Thank You!
 
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