I know that RapidRepair published their guide recently but I found it not detailed enough, so I tried to take many pictures when disassembling my own Kindle. I hope this will be interesting.
Disassembly with step-by-step photos
Detailed internals with close-ups of various chips
Check photo notes for chip details.
P.S. After I uploaded my photos, I found this post in PC-Doctor blog. He has some notes about the chips used.
Yet another reverse engineering blog