The details are in this thread.
As for a soldering iron, it has to be a very fine tip and a microscope is almost a "must have".
I can convert the radio for you but it won't be cheap, and dealing with Canada customs is a nightmare.
It isn't just installing a new monitor, but also the rescaler board to convert the composite sync to HV signals.
The one function that does "go away" is the watching a dvd as the rescaled cannot keep up with the content.
The map DVD nav works however.
I use the MacMini to watch anything.