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My iPad won’t start up. No power on. Not posible to charge. Not posible to be recognized by PC. Battery have 3.79 volts and not rising when charge directly with profesional Li-Po charger. When battery connected to iPad shows 0.00 volts. When plug in AC on motherboard battery pins shows absolutely no power voltage but on USB and power management area on motherboard shows 3.10V and 5.10V on resistors. I read that to need be changed capacitors (there are four of them). I need advice. iPad did not fell down just died middle of working with him. Thank you
optisis, the coils are both 3.3UH-3.25A coils. Both are part of the battery and charging circuit. the other thing I definitely would check, is the fuse. It isa critical component and is a 5A32V fuse. Make sure that you have continuity on that. It wont help you any if I link to a supplier in the USA unless you are here:-) let us know if you have trouble finding the components. Hope this helps, good luck.
from left to right in green GND BSI ? Batt+ I don’t know what is the third pin from left. BR
