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Midnight special If I knew for sure what parts made my internal speaker and pa work right again I'd tell you but all I really know is I swapped out tr3, tr17, tr18, c52, c66, c71, R51 and the pa and external speaker jack. You might not need to change all those but I didnt know my new speaker had been burnt up by the radio by the time I had all them swapped out. I believe tr3 and tr18 are both switching transistors for tx/rx if I remember right one or the other. More then likely it was my jack on the back shorted or one of those tr's or caps shorted. Wish I could help more. I was in a cobra 29 ltd classic april 3 2008, KEPC-1106 board with a mfg date on the back, of march 2010. Hope that helps, it sounds like the same problem I had receive through the pa but my internal speaker didn't work either. Maybe someone with more knowledge in the pa section of the radio can assist with it.

<blockquote data-quote="That_guy_in_wv" data-source="post: 689556" data-attributes="member: 53236"><p>Midnight special If I knew for sure what parts made my internal speaker and pa work right again I&#039;d tell you but all I really know is I swapped out tr3, tr17, tr18, c52, c66, c71, R51 and the pa and external speaker jack. You might not need to change all those but I didnt know my new speaker had been burnt up by the radio by the time I had all them swapped out. I believe tr3 and tr18 are both switching transistors for tx/rx if I remember right one or the other. More then likely it was my jack on the back shorted or one of those tr&#039;s or caps shorted. Wish I could help more. I was in a cobra 29 ltd classic april 3 2008, KEPC-1106 board with a mfg date on the back, of march 2010. Hope that helps, it sounds like the same problem I had receive through the pa but my internal speaker didn&#039;t work either.&nbsp; Maybe someone with more knowledge in the pa section of the radio can assist with it.</p></blockquote><p></p>

[QUOTE="That_guy_in_wv, post: 689556, member: 53236"] Midnight special If I knew for sure what parts made my internal speaker and pa work right again I'd tell you but all I really know is I swapped out tr3, tr17, tr18, c52, c66, c71, R51 and the pa and external speaker jack. You might not need to change all those but I didnt know my new speaker had been burnt up by the radio by the time I had all them swapped out. I believe tr3 and tr18 are both switching transistors for tx/rx if I remember right one or the other. More then likely it was my jack on the back shorted or one of those tr's or caps shorted. Wish I could help more. I was in a cobra 29 ltd classic april 3 2008, KEPC-1106 board with a mfg date on the back, of march 2010. Hope that helps, it sounds like the same problem I had receive through the pa but my internal speaker didn't work either. Maybe someone with more knowledge in the pa section of the radio can assist with it. [/QUOTE]

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