There are problems identified with these two models and just the following URLs for confirmation. Not sure about other model. Thats why, Sony pulled it back from the market very quickly. And for those without warranty You Have to PAY for it!!! Lousy Sony!

http://www.avforums.com/forums/showthread.php?t=187866

http://www.avforums.com/forums/showthread.php?t=163716

http://www.teh-best.co.uk/shop/uk/B0000DC3MX/Sony_DAV_SC5_Home_Cinema_System.html


So, do not buy them!