139 XLR (858SSB) RX/TX Issue

[Robb]

So use something like this guy?

No; more like this:
http://www.ebay.com/itm/B1-Color-1-...7e207c1&pid=100009&rk=1&rkt=1&sd=121339111108

 

[nomadradio]

Pin 1 should jump when the channel selector clicks and settle back down pretty much immediately. Anything less than a half of a Volt is effectively zero for pin 1.

This should take the PLL off the hook as the cause.

Ah, it does receive the channel you have selected, doesn't it?

73