I am looking for one of these. This is what the Superstar 4900B base radios use for a brain and my 4900B is brain dead. It was broke when I bought it and I would love to fix it. I typed (Single Chip Microprocessor Controller (LC72338) ) this into google search engine and it tells me sanyo uses these can one be purchased and used in my radio and how are these programmed?? Or who programs them?? :roll: