How To Diagnose & Fix an iPad 7 with No Power and Doesn't Charge. CPU Reball Tutorial.

In this video, we go through the full iPad 7 CPU Reballing process. That includes diagnosing the motherboard with our DC Power Supply, so we can verify we're dealing with a CPU Problem first.

Some of the common iPad 7 CPU symptoms are:
✅ No Power
✅ Doesn't Charge
✅ Boots to 14mA on DC Power Supply
✅ The current loops on DC Power Supply after prompt to boot
✅ No Touch
✅ No Image
and many more...

Here are the tools I used in this video:

Let me know down below in the comments, what you learned from this video!

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[VCCBoardRepairs]

What temps do you use to lift the CPU? 👀

Here are the tools I used in this video:

[ztechrepairs]

You hit the nail on the head when you said that some damage created by techs is just not fixable or proffitable to fix. It is super hard to learn a new skill when youre busy like you said, so repair shop owners and techs need to know when to cut off a repair and send it off to a proffessinal that has the capability to continue the repair. So important.

[borisdg]

Congrats! I love the improved face/desk cameras. Looks crisp!

[prettycool]

Grande Jesse, sei sempre il migliore! grazie per spiegare sempre anche i più piccoli trucchetti. molti non lo fanno

[andrewmartin]

Shiny solder balls!!! Man that was tedious work!!! As always great job sensei!!!

[MrPnew]

A nice, very thorough explanation of your technique thanks Jesse

[notebookpro]

What temperature (hot melt) liquid solder do you use?

[Eratz]

Love your shiny solder balls Jesse, great work!

[Twisterhere]

Good job! Personally I'd always remove the board from housing because the housing just sucks the heat away but great job.

[Davysguru]

My question is what is the use of the underfill, phones do work fine without underfill.. And last a long time without underfill.

[SURGE]

Great work jesse and great watch as always. Some nice tips as well. Love the little grabber mod for the dc power supply leads, definitely going to get some. I’ve been using foil tape stuck to a bit of card 😂😂 those look like a much better idea. Thanks for the share Jesse.

[circhinobranch]

Hi Jesse, CPU glue cleaning looks too difficult for me. Would liquid glue cleaner make the cleaning easier for beginners?

[needforrbg]

Hi new viewer/fan. I’m trying to upgrade my brothers little repair business . His is very basic setup. I seen your tour video idk if that’s current but if you can make a current shop tour and where to buy everything you got (more depth) that would help so much

[baggadap]

Nice job, thank you for showing the full process and good tips.
Did you have any complaints after this repair with no underfill? Could the cpu be more sensitive to condensation without underfill?

[JohnWilliams-zojf]

Great video. I think this heat and air will be too much for non iPads. Let see until you drop a video on iPhones

[angelpacheco]

"We have some reballs" sweater would be hysterical. LOL

[ctivate]

Thank you for the video. I attempted the same reball job this week! It was my first CPU reball.

I ended up with a shorted GPU line inside the CPU. Do you think too much heat might have caused that? Or Maybe i damaged if from clamping it in a vice?

I used the "IBrush Steel Brush (Qianli)" from mobile sentrix to clean the cpu. Low Melt + Flux + Hot Air + Steel brush to clean the cpu and that worked really well and got everything shiny clean and looked like new. Saw Dr. Ben use this method...

[sudheerm.s]

22:24 soldering iron temperature for PCB cleaning?

[letsmerepair]

Sir you use 420 heat air maybe 100 like this are u sure about this heat and air not kill the cpu ❤❤ from nepal

[rafisait]

hi jesse.. any update for error 10 .. facing while update or restoring ( working phone) and stuck in error 10.. if have pls share bro..