Problem with SB 301

[Ed Richards]

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?
>
>Sponsored by the City of Tempe
>
>Listserver Submissions:  heath at listserv.tempe.gov
>Listserver Subscription: listserv at listserv.tempe.gov - "subscribe
>heath 'name' 'call'"
>Listserver Unsubscribe: listserv at listserv.tempe.gov - -"signoff
>heath"

Sponsored by the City of Tempe 

Listserver Submissions:  heath at listserv.tempe.gov
Listserver Subscription: listserv at listserv.tempe.gov - "subscribe heath 'name' 'call'"
Listserver Unsubscribe: listserv at listserv.tempe.gov - -"signoff heath"