[ARC5] Resistance Table results my BC454

jphutch60bj jphutch60bj at gmail.com
Thu Nov 18 18:28:46 EST 2021


I assume 14K ohms not 14.000 ohms? . == , assumed

On 11/18/2021 5:21 PM, J Mcvey via ARC5 wrote:
> looking at the schematic now. Since the lowest resistance is at the 
> 2nd IF plate, check C20C.
>
> On Thursday, November 18, 2021, 05:55:38 PM EST, J Mcvey via ARC5 
> <arc5 at mailman.qth.net> wrote:
>
>
> looks like there is a resistive "short"  on a B+ line somewhere 
> because it affects so many tubes.
>
> we were discussing metallic whiskers that grow on the tuning cap 
> plates which cause shorts a few days ago.  One of those gangs has B+ 
> on it if memory serves, That would definitely drag the line down.
>
> On Thursday, November 18, 2021, 03:54:45 PM EST, Chris Hu 
> <lu1eom.ch at gmail.com> wrote:
>
>
> Hi,
> I got an ARC-5 receiver BC454 untouched in terms of wiring.
> I've replaced the capacitors, and once it is ready for plug the power 
> I did the test of the Resistance to ground terminals
> Please check the pic attached.
> Almost all of them are OK, but those they should mesure14.000 Ohms, 
> they are lower. I checked twice everything, change lamps VTs, for 
> different ones.But not matter what  I do, it notpossible to reach the 
> 14K Ohms or close to it.
> Any idea to help, please?
> Regards and 73s
> Christian
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