I have exactly the same problem. Unit worked fine for like 2 years. Then the LCD didn't come up once, closed opened again, then worked for a few days.
Now I get just a blank LCD and the buttons on the front only work 75% of the time.
There is a guy on ebay that describes this exact problem and will fix for $119. So it sounds like a common problem.
I got a copy of the service manual and took mine apart and checked the obvious ribbon connections but no luck so far. Going to take a closer look tonight.
Anyone have some insight on what the problem might be?
Thanks!
