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I have installed a brand new relay and it does click when you key the mic, no chattering, just a good solid click. Yes, I am going to have to check each and every component in the transmit section for voltage as when it is keyed is when it destroys TR5, the little RF Amp transistor, in receive everything is fine. Looks like it is not going to be a fast and easy fix. Everyone around me that did radio repairs has passed on, so it is either box it up and wind up putting in probably somewhere between 1 and 2 hundred dollars including shipping or spending countless hours of my free time poking and prodding inside.

Robb, I have the Sam's copy of the 139xlr and it has the voltages in it. I ordered it from Sam;s and was extremely disappointed in it. I thought it would be just like the old Sam's books, but they are not, just a pile of copied and poorly printed pages for an ungodly price for what you get.

Thanks, Mike

<blockquote data-quote="Sammitch" data-source="post: 583750" data-attributes="member: 43105">I have installed a brand new relay and it does click when you key the mic, no chattering, just a good solid click. Yes, I am going to have to check each and every component in the transmit section for voltage as when it is keyed is when it destroys TR5, the little RF Amp transistor, in receive everything is fine. Looks like it is not going to be a fast&nbsp; and easy fix. Everyone around me that did radio repairs has passed on, so it is either box it up and wind up putting in probably somewhere between 1 and 2 hundred dollars including shipping or spending countless hours of my free time poking and prodding inside.Robb, I have the Sam&#039;s copy of the 139xlr and it has the voltages in it. I ordered it from Sam;s and was extremely disappointed in it. I thought it would be just like the old Sam&#039;s books, but they are not, just a pile of copied and poorly printed pages for an ungodly price for what you get.&nbsp; Thanks,&nbsp; Mike</blockquote>

[QUOTE="Sammitch, post: 583750, member: 43105"] I have installed a brand new relay and it does click when you key the mic, no chattering, just a good solid click. Yes, I am going to have to check each and every component in the transmit section for voltage as when it is keyed is when it destroys TR5, the little RF Amp transistor, in receive everything is fine. Looks like it is not going to be a fast and easy fix. Everyone around me that did radio repairs has passed on, so it is either box it up and wind up putting in probably somewhere between 1 and 2 hundred dollars including shipping or spending countless hours of my free time poking and prodding inside. Robb, I have the Sam's copy of the 139xlr and it has the voltages in it. I ordered it from Sam;s and was extremely disappointed in it. I thought it would be just like the old Sam's books, but they are not, just a pile of copied and poorly printed pages for an ungodly price for what you get. Thanks, Mike [/QUOTE]

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