[Boatanchors] Refurb S-38C Gone Crazy
Ian Wilson
ianmwilson73 at gmail.com
Tue Apr 1 14:01:25 EDT 2014
Grounded leg of volume control not connected?
73, ian K3IMW
On Tue, Apr 1, 2014 at 9:03 AM, Bob Jackson <bob145 at suddenlink.net> wrote:
> This radio won't go silent, not even close! When turned on and warmed up,
> a low but fully "listenable" level of clean audio is present. With only
> slight advance of the volume control, audio level skyrockets. The set is
> fully re-capped; all caps and resistors test OK. Volume pot is good.
>
> Circuit has been traced multiple times for voltage values. All are within
> bounds of schematic values. Swapping out the 12SG7 for a 12SK7 is of little
> help. 12SQ7 has been swapped as well - no effect. Has anyone else had this
> problem? Any suggestions would be very welcome.
>
> 73 to all,
>
> Bob AG5X
> ______________________________________________________________
> Boatanchors mailing list
> Home: http://mailman.qth.net/mailman/listinfo/boatanchors
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Boatanchors at mailman.qth.net
>
> List Administrator: Duane Fischer, W8DBF
> ** For Assistance: dfischer at usol.com **
>
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>
More information about the Boatanchors
mailing list