SOLUCIONADA: Schematics for the tristar area - Anyone can help? - iPad Pro 10.5"

Schematics for the tristar area - Anyone can help?

I've got this iPad with a charging problem and I think it isn't the tristar itself. According to the “Diode Mode Mesurements”. from the wiki page, I figured out that there is only an open line from the charging port. Or has this line something to do with the battery itself? Without any schematics or boardview I can’t get any further. Before changing the tristar itself I want to be shure that nothing else is faulty. Any help will be highly appreciated!

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Swap your probes around and measure. “Black probe on ground”

25 de abr de 2021 por Chris Stables

@imicrosoldering Thank you for your reply! What readings should I get there? Or should I mesure the volts when plugged in?

26 de abr de 2021 por Adrian

Postado: 26 de abr de 2021

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here’s a boardview of the components that pad is connected too.

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@tech_ni thank you for your help, so it might be the tristar at all. Will order a new one and see what happens then ...

26 de abr de 2021 por Adrian

@tech_ni ... so I did change the tristar, still no charging or more than 0,05 A taking. Is there anything that might help me figuring out what is wrong with this iPad? Do you eventually know where to inject voltage to find the fault with my thermal camera?

3 de mai de 2021 por Adrian

Have you checked for loose coils, only thing I could recommend is an icc pro tristar tester or a jc tester.

3 de mai de 2021 por daniel

@tech_ni Did check all the coils as they where often loose I found out. A tester is a good idea, unfortunatly at the moment too expensive for me to buy one. I was hoping to find the problem manually ;-)

12 de mai de 2021 por Adrian

Zxw isn’t very good at showing what the rails are in iPads and newer phones unfortunately.

15 de mai de 2021 por daniel

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iPad Pro 10.5"

Schematics for the tristar area - Anyone can help?

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