Quote:
Originally Posted by bikelectro
Looking at your pic, mine is a bit different and i cannot see the small caps, same capacitors coupling the speakers - it is a similar later version. I would take a chance on swapping the O\P pair from the good channel - if it is stable then you know you need to source better transistors? You can do this before giving up and it wont cost to find out!
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Or alternatively, if the OP already has a replacement output pair on hand perhaps he could try fitting these in the good side and see if they work. Better than risking the original parts if there is a fault present.
I'd also echo the advice to replace all the transistors in the faulty side despite their testing OK. They can and do break down under working conditions where they don't in a tester.