heathkit hr-10 hum problem

[jwb]

getting an ac hum problem on my heathkit hr-10 receiver.
which filter caps would i replace?
or can it be a tube?
thanks jack

[Scott Dorsey]

jwb > wrote:
>getting an ac hum problem on my heathkit hr-10 receiver.
>which filter caps would i replace?

All of them. All of them.

>or can it be a tube?

Sure, but if it's in the both the audio section AND the RF section, it
is probably B+ filtering.
--scott
--
"C'est un Nagra. C'est suisse, et tres, tres precis."