Jeff and others who have the Great old Kenwood 3530 , The Sq Pot dos go Bad , No replacement , But if You got steady Hands and Good Eyesight which I don't , but I had a Young ham who actually took that SQ Pot apart Cleaned and repaired it over 4 yrs ago it still works Fine , And No contact cleaner By itself will not fix it , . Also change the Memory Battery
Don, KA9QJG
