Fourth generation of iPad, released November 2, 2012, available in Wi-Fi, CDMA, and GSM models with 16, 32, or 64 GB of storage.

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Temperature Warning on iPad!

I just started getting a temperature warning on my ipad 3 after 30-60 seconds. It turns on and then goes to the warning screen. it is not hot at all. I have tried rebooting but it didn't help. I suspect it is the temperature sensor.

Where is the sensor? Can I replace it (or disable it by shorting/opening it)?


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Nothing noteworthy has happened to the ipad. It lives on my coffee table and maybe gets a bit of afternoon sun on it. We have had several very hot days over the last few weeks, nothing else out of the ordinary.

I am definitely up to the task and have repaired many of my Apple products in the past.

How do I locate the the appropriate resistors and do you know of a source for the replacement parts?



Thanks for your reply. I did a serial num look-up and it turns out to be an iPad 4, not under warranty. I really have nothing to loose as it is not worth it to spend $100+ to have it fixed.

Where can I download a schematic and any idea where I can get the parts. I dont want to even try to open it if I cant get the parts or schematic.



You'll have to figure out many things, such as the schematics. But you can google it. To make sure you have an iPad 4, look at the charging port. If you need an 8-pin cable (like for iPhone 5 or newer), it's an iPad 4. If you need the large non-reversible cable that also charges iPhones 4/4S, then you have an iPad 2 or 3. Let me warn you though regarding this repair, that you can realistically lift the glass/touch-screen hopefully without breaking it. You can also remove the shields from the board, and test the components with a multimeter, though it won't be easy due to their tiny size. However, if you do find the culprits, don't expect to replace them using DYI tools. This kind of a repair requires specialized tools and a very good hand (solid hours of training). You may end up investing more than a $100 or it may end up costing you more in collateral damage.


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Those are usually resistors that need to be replaced.

You will be required to open the iPad without breaking the glass or tearing the Wi-Fi antenna. There's a guide for that in iFixit. It's not a big deal, but there is a risk nonetheless.

Then you'll need good magnification and adequate micro soldering tools and skills to locate and remove the culprits, source replacement parts, and solder them in place.

Are you up to it?

Otherwise, you can send it out.

Now for the important question: when/how did this start happening? What is the history of this iPad?

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OK, if you're up to it, you'll have to find the schematics of the iPad board, or send me high-res pictures. I'll tell you which ones.

Just rule out first that a new battery does not fix the issue, AND make sure you understand what you're up to: micro soldering those tiny components is not a DIY job. You need experience (a good hand) and appropriate micro-soldering tools (not normal soldering tools) to tackle this kind of repair. Once you find the faulty resistor or cap, you'll need a donor board to harvest the components.

There is also a chance that the power management unit IC of your iPad is faulty, in which case the cost will climb up but mostly the difficulty will increase tremendously. I couldn't do it myself.


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Jack will be eternally grateful.
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