How to test tristar on an iPhone using a multimeter - Repair Shop Basics

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Repair Shop Basics - Basic skills all professional techs should know.
Checking to see if an iPhone has a bad tristar may be difficult if you don't have a tristar specific tool. But no worries! If you have a multimeter and 5 minutes we'll show you how you can check to see if the tristar is out on an iPhone.
Today we dive into what it takes to test the tristar on an iPhone. I show you each and every step of the test in this video.
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Tools and parts I used in this video
iFixit Pro Tech Toolkit
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XOOL 80 Piece Tool Set
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MakerHawk USB Ammeter
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E8000: www.injuredgadgets.com/e800-m...
Screwdrivers: www.injuredgadgets.com/catalo...
Tool Kit: www.injuredgadgets.com/ig-too...
Pry Tool: www.injuredgadgets.com/nylon-...
Outro Music:
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[Perplex]
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Опубликовано:

31 июл 2024

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Комментарии : 24

@martinbCZ 2 года назад

Could you please show more of these simple test techniques? How to identify other basic problems...

@PAAKWAMEPAA 3 года назад

thanks, i've been trying to do some repairs, and i have a small shop. this is helpful

@mirza0786am 4 года назад

Great help thank you very much look forward to check your other videos

@tanerturgay1691 2 года назад

very informative, thanks for the help 👍👍

@sprsnrprs Год назад

Thank you so much. Life saver 👍

@bellslinki 3 года назад

Good stuff.

@omargassama4530 3 года назад

Thank you sir.

@bcjet86 3 года назад

Nice vid

@lakmalsiriwardhana 3 года назад

You deserve more sub bro

@banjomirandilla3917 3 года назад

Thank you bro for this. Been searching for this kind of basic board diagnostic methods....

@TotalphoneFix247 Год назад

Thanks

@joeyvibar8588 3 года назад

when i test my fpc on my 6sp without the lcd connected the reading is 0.2mv but when i disconnected the lcd the reading is 3.9 v? can you help me figure out if tristar is bad or not? thank you.

@ElevatorWasher5000 4 месяца назад

I get a BLIP BLIP BLIPPITY BLIP when I measure so I don’t have a Tristar failure it’s a VDD MAIN issue because sometimes it says “3V”

@shanigsm9255 3 года назад

How to use multimeter in diode mode

@krisvalas6351 3 года назад

What is the best place to learn the components of an iphone and what they do? I've never heard of a Tristar before.

@oddity4650 3 года назад

So I replaced a ic, charging port, battery digitizer display, but it is not showing any image on the screen and it is showing no amps or voltage, for the iPhone 5s, any advise to what it could be?

@joshcook8586 3 года назад

There is a short somewhere

@AlvinOngko 3 года назад

My iphone 6+ have been boot looping for months and I can't find the problem. software restore does nothing. Previously I have replaced the battery and charging port. Any idea of how to diagnose?

@TheNormFix 2 года назад

Only time I'd had this happen was because of the LCD. For some reason some LCDs work for short while but then put the phone stuck in a boot cycle. Putting a different LCD usually corrects this issue.