[ARC5] CBY-46145 and BC-946B Update

[Ken Gordon]

On 14 Apr 2025 at 10:34, Mark K3MSB wrote:

> 
> Spent all day Saturday working on these two radios -- a quite
> enjoyable way to spend a Saturday......
> 
> The CBY-46145 is alive!
> 
> https://www.k3msb.com/temp/CBY-46146.mp4

Looking good, so far. Sure is noisy there.

> 
> It needs more work and an alignment, but it's alive!
> 
> Just as an aside.... I can't find one station that plays music on
> AM...... sigh......

Yes. It all seems to be "talk radio". Not to my liking.

Good on ya, Mark

Ken W7EKB

> The BC-946B arrived with the Dynamotor connector and L14 missing and
> quite a few wires hanging out near those missing components.
> 
> I did some wire tracing and component testing then had a hunch that
> someone may have tried to convert this to 12V, so I looked at the
> filament circuit.   I was right,   Someone had attempted a
> conversion to 12V and didn't do it right.   So, I removed the
> offending wires.  To make a long story short, the radio is now
> running on 28V and the filament voltages are what they are supposed to
> be.   No HV to it yet.....
> 
> 73 Mark K3MSB
> 
>