After 25+ years that capacitor has a history of going bad. Simply replace
it. I replace it as a mater of course whenever I get a SB-220 in for
service.
73...Carl KM1H
On Sat, 5 Jul 1997 14:11:43 -0400 (EDT) W7OM@aol.com writes:
>The 20 mfd electrolytic cap in the 120 vdc power supply ruptured.
>This
>failure occurred with a possible tube short. Do not believe there is
>a
>correlation. Replacement is simple, BUT would like to know if anyone
>has had
>a similar failure and is this is the effect of another failure. I
>will
>replace the rectifier diode too as it shorting would cause the cap to
>go.
> Diode passes the simple short/reverse resistance checks.
>
>Thanks for comments in advance.
>
>73
>
>Rod
>
>w7om@aol.com
>
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