[R-390] J208/P108

[Larry H]

Dave, I looked at a lot of doc online and my printed book and they are all
the same.  You are right.  The representation for the pin placements for
J709/P109 and J208/P108 are not very good.

Regards, Larry

On Sun, Mar 10, 2019 at 8:57 AM dog <agfa at hughes.net> wrote:

> Larry, I don't know where I got the book, but it looks legit. Bureau of
> Ships and Navy Department on the bottom Technical Manual Vol III of III.
> The pin that is used for the switched HV to the calib osc is the right
> one, 'J' in the book where it shows the pin locations, it looks nothing
> like the pin locations on my P and J's. Page 179 in the fold out section
> for P108/J1208 and page 173 fold out page item 30 for P108 also where it
> shows the wire colors. They both show circular outside pins and a center
> pin, but both my units have a distinctive pattern to the pins, not
> circular at all.  Luckily the pins are labeled on the plug.
>
> But that's become sort of a moot point. I was counting the pin numbers
> wrong on the tube, I have switched 154VDC on the plate of V205B and
> actually, I'm getting a 0.2Vp-p dirty 0.5KHz (2uS) wave at the output of
> pin 8 of V205, so the osc is working, it's just not getting to the RX
> somehow, RX goes blank when I switch to CAL. I'll have to trace that
> out. Adventure continues.
>
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