I've just completed this fix (among 4-5 others previously). First comment here b/c this was an unusual repair. The biggest surprise about this fix (or anything to do with the internals of an iPad): the size of the screws! I'm surprised it isn't mentioned at the top, along with the PN000 driver: these things are literally the size of a grain of sand! So, taking them out is the easy part. Putting them back in is a trick. The secret: place them on the holes first, in whichever direction, then maneuver them btw fingernail and driver into correct position. You'll need something to anchor the screen in a vertical position to use both hands. Not mentioned in Jeff and AMT's comments: there is a loop in the battery contact. Not removing the logic board means you'll be breaking the loop on the old battery to remove it, and you'll need to snip the loop on the new battery to insert it. It all worked for me. It made the actual fix a fraction of the steps from the written one (just 4 screws removed), but it's risky.
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