[Boatanchors] Hammarlund HQ-129X BFO Components Question?

[Chuck McGregor]

Hammarlund used a very similar BFO circuit in the Navy RBG receiver. 
The RBG manual shows that capacitor as 240mmf.  (and the resistor is 50K 
in that circuit, also).

73,
Chuck K7MCG

On 5/5/2011 11:37 AM, Rod Hogg wrote:
> Roger,
> I have both the original Operating Instruction/Manual and the Rider book
>   on the HQ-129X.  Both show that R46 is a 50K, BUT C43 is only listed as a
> "Silver Mica" part of Z1 BFO Assy.  Not much help there.
>
> Rod
> KØEQH
>
>
> -----Original Message-----
> From: boatanchors-bounces at mailman.qth.net
> [mailto:boatanchors-bounces at mailman.qth.net] On Behalf Of Roger Shultz
> Sent: Wednesday, May 04, 2011 7:23 PM
> To: boatanchors at mailman.qth.net
> Subject: [Boatanchors] Hammarlund HQ-129X BFO Components Question?
>
> I'm reassembling a HQ-129X where the BFO assembly was taken apart by the
> previous owner.
>
> Fortunately the inductor L30, the variable C45 and fixed cap C44 are all
> there and I think I have it figured out where the wires from V9 pins 3 and 4
> attach, however R46 which on the schematic looks to be 3K though the parts
> list reads 50K, and C43 listed only as a silver mica are both missing.
>
> Would anyone have the value of C43 and confirm that R46 is indeed 50K?
>
> Thanks, Roger, NJ2R
>
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