N2CBU's Technical Information Resource
... as always, under construction ...
Icom RAM Module Technical Information
RAM Module Programming Utility
README for RAM Module Programming Utility (Revised 12-JAN-2001)
Icom R71A Receiver Technical Information
R71A Component Placement Diagrams
R71A Schematic Diagrams
R71A Modifications
Icom R71A Receiver Manuals (Adobe PDF)
R71A User Manual - 3.8MB
Manual for EX-257 - FM Unit
Manual for EX309 - Interface
Manual for UX14 - Interface
Manual for RC11 - Remote Control
Radio Shack DSP40 Audio Filter Info
DSP40 Service Manual & Schematics - 699kB (Adobe PDF)
DSP40 Schematic, Part 1 - 141kB (B&W GIF)
DSP40 Schematic, Part 2 - 128kB (B&W GIF)
DSP40 Modifications
