Page 1 of Multi region Pioneer HTZ 55DV, Japan, NTSC and PAL question

Hi,

I`ve a Pioneer HTZ 55 DV. It is multi region, plays R1 and R4 for sure. It is NTSC. My TV is a Sony 29" that plays PAL-M (Brazil) and NTSC.

First question:
I`m interested on a DVD (The World At War Collectors Edition Box Set) that`s R2 - Europe and Japan. Well, since it is on PAL, it won`t play on my TV, although my DVD will send the signal to it, am I right? Has anyone played a R2 DVD on a configuration like this: NTSC DVD + NTSC/PAL-M TV set? Would I have to add PAL to my TV to play it?
I once tried one that came on a british DVD magazine and it playe (...) black and white out of vertical sync, grainier that an ASA 6400 20x30 print.

Second question:
Japan. They use NTSC there. How can this R2 DVD be PAL??

Any input is very welcome.

Regards,

José Azevedo