Found at this URL..... http://www.ab7sl.com/index.html?row1col2=r7.html 1. R7 - R7000 "black box" internal color photo, component values and schematic diagram - all downloadable 2. R7 assembly and instruction manual - downloadable 3. R7000 assembly and instruction manual - downloadable 4. Tech tip for solving R7 / R7000 high SWR problems