[R-390] Question About the 20 Pin male bulkhead on the IF deck

[Tom Bridgers]

Nick,
You just demonstrated once again why are you are the Chairman of the Board of the Boatanchors Group. 

Great work on answering a very difficult question! Congrats!

Still keeping those filaments lit,
Tom KE4RHH 


Sent from my iPhone

> On Jul 8, 2021, at 12:03 PM, Nick England <navy.radio at gmail.com> wrote:
> 
> I noticed that the Y2K wiring diagram repeats a potentially confusing error
> that evidently has hung around since 1956.
> According to the photo (thanks Jacques!), pin 1 is the closest to that end
> of the connector.
> The pins are staggered, not opposite each other, so pin 1 is the closest to
> that end, pin 2 is next, etc. so that pin 16 is closest to the other end.
> The Y2K wiring diagram and the 1956 TM 11-856A wiring diagram incorrectly
> show the staggered pins, with pin 2 as closest to its end. I haven't
> checked other manuals.
> The schematic says the wiring goes to pin 2.
> So Doug has dodged a bullet with his bent pin 1....
> Cheers,
> Nick England K4NYW
> www.navy-radio.com
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