There is one other issue that can cause the fault state that you have described. On all of the ipod touch logic boards (brain of the ipod) the data in / out lines have a dual fuse attached in-line. Normally only one half of this fuse block goes dead but that is enough for the ipod to not be detected by your pc or mac and it will definitely stop it from charging.
I own and run my own business in Australia and we repair this fault all the time.
To fix this problem you have to be very steady with a good fine tipped soldering iron and have great eye sight or a good magnifier. As long as only one side of the fuse block is dead then you can safely by pass it with a single filament of thin wire. Please note when testing the block, test from the dock socket side to the direct opposite. Not across the dock socket.
The fuse block can be found, when looking at the ipod with the dock socket closest to you, just above and to the right. the block is about 2.5-3.5mm square with 4 metal legs, the tops are exposed for easy testing, (look like silver dots on the top of the block).
Hope this helps.
Был ли этот ответ полезен?
Sounds like your battery is bad. Will it still work if it's connected to an AC power source?
из Scott Head
Does iTunes recognize it? Please tell us more about this iPod was it dropped? Exposed to liquid?
When connected to AC adapter it goes from low battery icon to Apple icon then shuts off then to the apple and so on. Computer does not recognize it. iTunes does not recognize it. Has not been dropped or water damage. Working one day not the next. I have another iPod and an iPad and no problems with either of them. I triednthe Apple fix of connecting to PC disconnecting iPod then hold home button while reconnecting iPod. That brings up the connect to iTunes icon but does not connect or charge. Also get charge with lightning bolt but it is not charging. I have also tried the off button hold home button....nothing seems to work.
the answer from ABCellars did not resolve it? I just noticed your comment and had seen that you already accepted the answer. Did you clean the docking port like suggested? I would start off with a new battery, since nothing happened to your iTouch and it does behave the way it does.
I did't accept any answer I must have hit the wrong input. I have tried different usb ports, tried canned air cleaning the pins, tried different cords. If it were the battery wouldn't it just go dead? My computer does not recognize it and gives me a message " device malfunction" iTunes does not recognize it. I tried charging it overnight but it still goes through the same cycle. Apple icon....low battery icon, battery with lightning bolt as if it were charging back to apple. My computer does make the sound when I connect the USB cord like it is connected but then says device malfunction replace device. Pins do not look bent. Any other ideas??? : l
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