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I have just brought an 1943/5200 mosfet based amplifier board. Shopkeeper said it's rated for 24-0-24 AC. So I connected it with 24-0-24 transformer like this in image below. Refer this link for image https://pasteboard.co/HRSTBhP.jpg As soon as I turned the power supply, I heard a loud hum from transformer, Like it was on full load. and few seconds later cap. on left side blown. (I have also got a loud noise from my speakers also like I have passed 24VAC through em.) I have no Idea why this happened. Did I made some mistake? Is circuit is actuality meant for 24-0-24 DC? What now? can I still revive my circuit? What are the components which might have died in the process? are my mosfet's are still okay? |
December 15, 2018 |
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Circuit diagram: http://freewirediagram.blogspot.com/2017/09/2sc5200-2sa1943-500watt-amplifier.html Yes +/-24V dc. Shopkeeper's fault. Not your fault. He must fix/replace it. Don't take no for an answer (unless your name is Teresa May). |
by mikerogerswsm December 16, 2018 |
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