[R-390] Replacement Capacitors

[Charles P. Steinmetz]

Bob wrote:

>What awful things happen if it shorts?
>
>If it's a cap to ground, in general the answer is "not much".  Yes 
>there are a few exceptions, but in general there is no massive belch 
>of smoke from any vital part of the radio. Replace the cap and all is well.

The gotcha with B+ bypass caps is that you can lose a filter choke 
(as well as rectifiers and resistors, but, as you note, those are not 
the end of the world).  I have seen this happen more than a few 
times, including to one of my own radios.  Replacement chokes can be 
very difficult to find.

Best regards,

Charles