ART no longer supports these AT ALL. They not even carry any parts for them any more.

So anyway, I found a guy in West Virginia who works on these things. I got my unit back today and it fucking rocks!!!

The backlight on the LCD screen was burned out.

For 100 bucks plus shipping, he replaced the LCD. The green background is now brighter than the original.

He upgraded the software from v1.05 to v1.10 (the most recent....1994 haha), and he put a brand new Sovtek 12AX7 tube in it.

I am impressed.

Here are a couple of fotos: