I think you can get this at Radio Shark quite easily.
My Pioneer SX-V300 receiver forgets radio presets as soon as the power is
> shut off. I found that C672 on the tuner control chip Vcc line is
> completely open on my ESR meter. At 47,000uF 5v it should look like a
> short. It is quite small ( 1/4" h by 1/2" dia) and looks more like a
> battery than a 'lytic. Pioneer wants over $20 for a replacement part. I
> looked at a few parts sites and found nothing quite like it. Is there a
> cheaper source than Pioneer for this thing?
>
> Thanks,
> Paul
>
>