madgerald Posted May 19, 2018 Share Posted May 19, 2018 (edited) Hi there I have an 30-year old Carlsbro Hornet 45 Amp in need of repair. The cone looks in really good shape but the electronics are a bit dodgy – there’s a random buzzing and turning some of the dials can cause a horrendous screeching noise. Can this be fixed simply be me at home (by cleaning electronics, replacing dials without having to solder)? Also if it needs a specialist is it worth it? Thanks if you can help! Edited May 19, 2018 by madgerald Typo Quote Link to comment Share on other sites More sharing options...
rmorris Posted May 21, 2018 Share Posted May 21, 2018 Can you get the electronic board(s) out to work with them ? If so then examine wiring connections visually and resolder / reflow any solder joints that don't look right. If in doubt get the iron on there. Consider replacing any electrolytic capacitors. Pot related noise could be the pot itself - mechanical due to wear / corrosion - or could be due to failing DC blocking capacitors. Quote Link to comment Share on other sites More sharing options...
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