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Fried transistors in PSU of Stereo amp

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Is the PSU on a separate board and how much room is in the case?


ie. can you maybe use another PSU to deliver the same voltages?


Not really mate - there's all sorts of other things going on in the main PSU board as well. Everything from fault protection to signal output.



Will take some photos of her internals for you, if you like.




Edit: with regards to the components biased towards their limits - not from what we can see from the circuit diagram - got lots of info from the service company in aus a while back, testing points, full component listing, board designs(if i need to make a new board from scratch) etc etc...

Edited by Caelum

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Yeah, just sounds like some issues with component selection/design in the PSU section.


Very nice to have all that relevant information on hand for such an occasion :)

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