Not necessarily a guide, but it provides details on the 2 most common technologies used in reworking
http://xmoddz.com/hot-air-vs-ir
The most important thing regardless of tech is having a large preheater and having the board bolted down
Xbox 360 board can get away with having neither...
thats a great tutorial, this guy actually knows how to repair and doesnt just claim to know how and use improper methods
he has the right machine and the right tools including the amazing silver jig
to op: i recommend you use a different flux the flux i use is kingbo and leaves very little to...
with a soldering iron, if it wasnt on properly it would not detect by nandx at all
i removed everything, board is totally stock now, i was told the nand could be corrupted and that i should take a nand from another board and solder it onto this board
i will do that, in about 18hrs i need rest now
So after a long fiasco with a CB 4850 zephyr i decided just to put it back to stock and get rid of it. I flashed the original nand, and it doesnt boot, i tried all 3 dumps. I then tried dumping the nand i get errors all the way through the read.
I redid the wiring, i even tested the wires on...
had no luck, so i just decided to flash original back and put it back together
i get 3 rrod when i flash the original back, i tried each of the 3 dumps and i get the same thing, i removed all the wiring and still no luck
this board is the weirdest, i cant even get it back to stock now
i dont...
http://www.se7ensins.com/forums/topic/108432-how-to-do-the-jtag-hackdump-nandxell/
this is the original? i used this wiring flashed stock xell from jtag tool