From: "Ken, WA2LBI" 
Subject: Re: [drakelist] Filter Cap on Drake R4A

>     not expect the wiring resistances to generate any serious
>     problem.
>
> Much success in repairing your R-4A, kind regards and 73
>
>
> Herbert, DG7MCC
>
>
>
>
> Peter Hoon schrieb:
>
> > R4A: It appears that one or more sections of the Sangamo power supply
> filter
> > cap are defective, since I measure 5.2 volts p - p with a scope at the
> > junction of diodes D4 and D5 (156 VDC).  And my power transformer gets very
> > hot.
> >
> > The cap is in a single aluminum Sangamo chassis mount with:
> > 100 MFD 200 VDC
> > 100 MFD 200 VDC
> > 100 MFD 200 VDC
> > 20 MFD 20 VDC
> >
> > 1)  Anyone have a spare from an R4A they are parting out?
> >
> > 2)  Suggestions for a source for this filter cap from others who have gone
> > before me.
> >
> > 3)  Have improvisors found discrete caps from a source (pse recommend one),
> > left the chassis mount unit alone, and mounted these discrete caps under
> the
> > chassis?
> >
> > 4) Has anyone actually drilled out this filter cap shell, and mounted
> > discrete components inside?
> >
> > Any other ideas or comments appreciated.
> >
> > Peter, VE1CHS
> >
> > ----------------------------------------------------------------------
> > Submissions:        drakelist{at}www.zerobeat.net
> > Subscribe:          majordomo{at}www.zerobeat.net - subscribe drakelist in
> body
> > Unsubscribe:        majordomo{at}www.zerobeat.net - unsubscribe drakelist in
> body
> > Hopelessly Lost:    majordomo{at}www.zerobeat.net - help in body of message
> > Brought to you courtesy of TLCHost.net  http://www.tlchost.net/
> > ----------------------------------------------------------------------
>

----------------------------------------------------------------------
Submissions:        drakelist{at}www.zerobeat.net
Subscribe:          majordomo{at}www.zerobeat.net - subscribe drakelist in body
Unsubscribe:        majordomo{at}www.zerobeat.net - unsubscribe drakelist in body
Hopelessly Lost:    majordomo{at}www.zerobeat.net - help in body of message
Brought to you courtesy of TLCHost.net  http://www.tlchost.net/
----------------------------------------------------------------------

---