[ARC5] BC-453B dial calibration saga.

Kenneth G. Gordon kgordon2006 at frontier.com
Sat Jul 29 12:41:11 EDT 2017


On 29 Jul 2017 at 9:50, AKLDGUY . wrote:

> On Sat, Jul 29, 2017 at 2:00 AM, AKLDGUY . <neilb0627 at gmail.com> wrote:
>     I would look for a bad or missing decoupling cap near the oscillator. 
> 
>     An open circuit or missing cap won't pull down the circuit to RF ground,
>     so all that's decoupling the circuit is wiring capacitance.

I would agree.

There is also the possibility that the dial has been mis-pinned.

I think that if what you suggest is NOT the problem, then Skip should align the receiver so 
that BOTH ends are off the same amount in the same direction, then remove the dial and 
repin it.

Robert suggested this a day or two ago, and that is also a good solution.

Ken W7EKB

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