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iPhone 6+ Water damage. Ran it through the bath. Not coming on, tested vcc main, good continuity. So I replaced the tristar. Plugged it in, got the battery red line logo, arrow when I unplugged it. Left it there, then nothing. I did source and reball the tristar. So there could be room for error there. What're ya guys thinkin?

@oldturkey03 @mayer @gigabit87898 @pccheese

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Bu iyi bir soru mu?

Puan 2

Yorumlar:

You forget to mention your iPhone co-master, @refectio.

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I'd check for corrosion starting from the battery connector.

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Sorry @refectio I thought you've just been really busy. Plus you're grand master. I'm workin on it. So many zxw questions!! I've been searching guides on YouTube too

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@pccheese you have to call for @TheiMedinho ;>)

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OPEN ALL THE TABS

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When in doubt, start at the beginning...

Was there a lot of corrosion or was it light? You may want to focus your initial efforts on those areas. Also, it's not clear from your question but was the phone recognized by iTunes? If so, it's not Tristar (anymore).

Otherwise, when the phone is dead and you have no leads or heat spots, start by checking VCC_MAIN & BATT_VCC and then move on to the output voltages generated by the PMIC. Check to see if they are shorted to ground (careful with low resistance lines like PP_CPU & P_GPU) with an unpowered board and then power the board and measure the output voltages. If one of them is off or dead, that may explain your dead board.

Start with that and then come back and post the details.

Bu yanıt yardımcı oldu mu?

Puan 4

Yorumlar:

Very little corrosion. I'll look into batt vcc for sure, and learn whatever else you just said. Also I got my new lavolta. Amos running all over the place and started a small fire on my, probably destroying, my iPhone battery device thingy. Forgot the name. Probably call that company and cuss them out

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What about just searching for bad caps or filters that don't look right?

Bu yanıt yardımcı oldu mu?

Puan 2

Yorumlar:

I did. Everything seems to be good. And it came on briefly. Now I think I'll try reballing the chip again. Also I don't have a stencil for it. Mine is missing tristar. Which I have to eyeball reball after I use those things anyways

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Welcome back Giga!

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Thanks! Now that my iPad is fixed i can go on ifixit a lot more!

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