F-X50 Tuner Help

Jerry's TV

Active Member
Howdy, I have an Pioneer X50 gold series mini system I am cleaning up. It seems that the F-X50 tuner has lost it's mind. The display dial runs up and down searching the AM band .. or a random run of digits from ~ 700 to 1500. The function switch for clock or other modes is not recognized.

I'm assuming it is the main processor MN1455LF? I'm also assuming that its ROM is factory programmed, so even if could find one, replacing it wouldn't help.

Anyone have any experience with these early CPU driven products and suggestions on what to do next ? (other than trash it).

thanks
 
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