Convert a Canon Camcorder: Legria (PAL model) <-> Vixia (NTSC model)

[ElektronikLabor]

Hello,
I purchased an used Canon Legria HF G40 camcorder. It's a PAL model, which main difference is the reduced frame rate of 25p/50p instead of the 30p/60p of the NTSC model (Vixia HF G40).

I always filmed in 30p (29.970 fps) and I would like to stick with it. 50p is to much for me because of the increased storage space and the longer encoding time.
Light flicker (mains frequency = 50Hz) is not a problem, because all lights I use are flicker free.
You can't select 30p/60p mode, when you have an European camcorder! And that is so for most camcorders on the market. 
And no, you can't just install an US firmware; the firmware is always the same.

I'm very confident, that the hardware is identical on both cams (Legria & Vixia). However I presume that the configuration of model ID is made in hardware; e.g.:

• a resistor divider that is connected to an ADC
• a bunch of pull-up or pull-down resistors connected to input pins of a µC (some of them not populated)
• etc.

I also think that the configuration of most Legria/Vixia models is done in the same manner; so when you figure out how to hack one model, maybe you can also hack all the others too.

Does anyone know more about it?