(Part 1) 1986 Harris (SX-5) 5,500 Watt AM Transmitter, Not showing Any Error's..After Testing all the Parts, and Only Replacing 3 MOSFET's on the PDFM that were give Use Problems, It just Wont Full Turn ON..Something might me Limiting the Inrush Current Flow..
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https://www.youtube.com/watch?v=nu2gH8hgTTc