Ipod touch got wet and never recovered after drying out thoroughly. Can't get the device to show any life. Normal reset procedure shows no activity at all.
I thought the battery may be dead, so I replaced it. Did not help.
I did tear off the digitizer flex circuit in the process. Wow is that delicate! I have years of experience designing and assembling kapton flexes, and I have never seen such a thin and delicate flex as the ipod touch digitizer.
It would have been helpful to have a mechanical cross section diagram of the ipod touch assembly to show how the various parts are attached. It would have made it easier removing the digitizer panel.