Re: {Collins} Need Guidance for My 75A-3 Project



Clarence:

The 75A-3 schematic on the Collins web site manual shows C-32 in parallel with L-30 and connected to pin 5 of IF Amplifier tube V-18.
I hope this helps and is not something you already know!

Doug
WN4SLG

On Aug 16, 2013, at 6:32 PM, Clarence G. Marshall wrote:

> Restoring a fairly early SN 830 75A-3. In the alignment instructions at the
> end of the 455 KC IF alignment is an instruction to peak C-32. I have looked
> at every photo in the book the chassis top and bottom and can't find C-32.
> It may be inside the shield for the mechanical filter circuit. I haven't
> opened that yet in anticipation of an expert answer to this query.
> 
> 
> 
> 73
> 
> 
> 
> Clarence G. Marshall
> 
> K5CGM
> 
> AC10-12553
> 
> 
> 
> Tube radios keep your shack warm in the winter...
> 
> 
> 
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