This is a CCF that is probably rather complex but I thought I'd upload it as an example of how useful (indispensible) a remote like the TSU-2000 is for a system of this nature. See the readme file for more information.
NCF that gets this "TOAD" device to act more "DUDE"ish. Has macro work-arounds for discretely seleting video 1/2/3 and power on. This may work on other aiwa receivers.