I would like to talk DIRECTLY to you . contact details in sig.
I have access to a few hundred chinese suppliers ALL offering me a ALL in one box for that car. ampping turns out to be an issue, price and relaibility.
as for the IR interface schematics - nup. I have them on paper and thats where I left them. I have played with a few 'cheap' all in one boxes and was not happy with the results. the pioneer AVIC HD3 gets my nod with the VDP unit attached. that is still $3k+ and does not cover TV.
most of the cars that these guys owne have been done AT COMPLIANCE level. they did not have to ship the cars to me. I do travel from time to time (have a sydney run (COGDOG35) and a melbourne run due up) when I have time to do so.
if you have the knowledge - reverse engineer the TV box and reverse engineer the radio. the latter I have the schematics for.