Wow. That is a tough one for a newb. Looks like a problem on the CPU board. Here is a direct link to a repair guide that is a little beyond newb level. I am thinking you will need board repair. Might want to pull the backglass and check the batteries to see if they are leaking.
http://www.pinwiki.com/wiki/index.php?title=Williams_WPC#Failed_RAM
www.pinwiki.com/wiki/index.php?title=Williams_WPC