Call PSA technical support(720) 406-8946, they are all great there. The DLIII is worth about $500 on the used market in good working order, so don't mess around and have PSA look at it. I love my DLIII decoding my iPhone files, it sounds great @ 196kHz with the Wadia 170i.
Have you tried contacting PS Audio? They service all of their current products and are reasonably priced. Further, the unit could still be under warranty. PS Audio offers a three year warranty if you register the product. They're easy to work with so I would give them a try!
You must have a verified phone number and physical address in order to post in the Audiogon Forums. Please return to Audiogon.com and complete this step. If you have any questions please contact Support.