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Sixth iteration of Apple iPhone, announced on September 12, 2012. Repair of this device is similar to the previous models, requiring screwdrivers and prying tools. Available as GSM or CDMA / 16, 32, or 64 GB / Black or White.

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Need help on troubleshooting

I was wondering if anyone knows if it is possible to test a logic board for function without installing it back into the frame? I have a board pulled and am working on, and I was wondering what I would need to make it function without having to reinstall it over and over. The Lcd/Digi, Battery, dock and power button flex. Does it need the frame for the grounding?

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Dizüstü Bilgisayar Bataryaları

An easy fix for a big power boost.

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Dizüstü Bilgisayar Bataryaları

An easy fix for a big power boost.

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I believe it does. you should put it back in the frame for testing.

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nope. You can totally test it outside of the frame. Solder a lead to the bat + and - pins and attach to alligator clips to a DC power supply. You can use powerflex to power on, then disconnect and take readings on both sides of the board. I'm doing it right now :)

jessa

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What should the DC supply be rated to? I assume a 9V will have different results than a car battery.

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I mean a benchtop variable DC power supply specifically used for troubleshooting electronics. Pick one up for $100. You can use it for all sorts of things--charging dead batteries, pushing current into phones with a short to allow the heat buildup to show you where the short is, and doing what you're doing here--testing a phone without using a battery.

You would give the phone exactly 3.8 V---9V or 12V would kill it.

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