Is motherboard dead? sony 2000

[pendletonmike]

Hello,
I have a Sony svr-2000. I got his unit used and was told all it needed was a new power supply. I replaced the power supply and it still does not work. There is no sound coming out and all I get on the tv screen is flickering square blocks. The green light on the front of the unit keeps on flickering. When I plug it in the hard drive does not spin and the fan does not spin.If I dissconnect the hard drive ribbon cable from the motherboard, I can hear the hard drive spin(fan still does not spin). If I dissconnect the power supply to the motherboard but still have the power going to the hard drive (ribbon cable still disconnected) the hard drive does not spin. I have searched this web site and the internet and mostly of the answers were replace the power supply and/or hard drive.Also there was a suggestion of a power ground problem. I have both the tv and the tivo on the same outlet. Could there be a faulty ground inside the unit? Any suggestion would be helpful. thanks
mike

[flatcurve]

what kind of evaluation did the person who sold/gave this to you make to determine that the power supply was the problem?

[pendletonmike]

The person told me that he took it to a local electronics repair shop and that is what they told him. I don't know what kind of tests thay did.

[magnus]

does it have lifetime? why bother with it?

[flatcurve]

To be honest, it sounds like you were had. If you're interested in spending the money to have it fixed, I'd check out http://ccscorporation.net/. They do good work.

[pendletonmike]

Thanks Flatcurve,
I think the unit is toast. I don't want to put any more money into it($50 so far) and without lifetime service it wouldn't be economical. I was just looking for one to use like a vcr or one with tivo basic. I might just sell the hard drive and power supplies to try to recoup my money. Thanks