Problem with SB 301

Ed Richards k6uuz at JUNO.COM
Sun Aug 15 13:45:03 EDT 1999


Does it do it with headphones? Tap on all the tubes. If one goes
BOING-BOING-BOING; change it. Also tap on tuned circuits, epically the
variable capacitor and the LMO. Sound like something is microphonic.
Ed Richards


n Sun, 15 Aug 1999 14:13:54 -0700 Ron Wicker <ronwick at FLASH.NET> writes:
>I am trying to get an SB 301 receiver going.  I started alignment, but
>as I
>crank up the audio volume, or the signal strength increases, it goes
>into
>oscillation.  I have to turn the audio down.  Strong signals seem to
>overload.  I have been cleaning contacts and resoldering tube and
>component
>joints.  Any suggestions or comments?
>
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