Because of the characteristics of the Darlington, it cannot be replaced
with regular transistors. You must use the proper devices with the
proper specs.

The problem is that you must find the cause of the failure in the first
place, and replace the failed parts. Servicing these amplifiers is a
challange even for the experienced technician.



Jerry G.
======




Chris F. wrote:
Is it possible to substitute a Darlington transistor with a non-Darlington
one? I'm working on a Kenwood amp, it had blown the output transistors
2SD2222 and 2SB1470. I ordered some new replacements and installed them, one
channel worked but the other blew right out again. Having spent $45 on this
amp so far including a service manual, I don't want to gamble any more money
on it. So I was wondering if I can replace those transistors with some
non-Darlington ones I already have. The packages and electrical
characteristics are very similar, but of course this sounds just a bit too
easy.
Thanks for any advice.

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