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2014年9月19日に発売されたiPhone 6の修理情報とガイドです。モデル番号 A1549、A1586、A1589。

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Introudction to Micro Soldering

Good night,

I am currently a cell phone technician, however, I am deeply interested in learning microsoldering. What I would like to find out is if anyone can recommend where I can start and also how can I learn to read schematics. I currently watch alot of stuff from Jessa Jones and Louis Rossman, however, I am still trying to understand what chips like tigris, baseband PMU, Baseband CPU actually does. Please advise me on how i can learn what these things do. I try searching online but there isn’t much content I found.

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If you like learning from me on YouTube, then sign up for Practical Board Repair School at iPad Rehab in upstate New York. I have been a teacher for over 20 years and our signature PBRS course is the culmination of everything I know about how to lead students on a path from noob to pro as fast as possible. The content is real-life open-ended examples, storytelling, and overlaying information to gradually build up a core understanding of how phones work and how they fail. There is absolutely no substitute for tons of time spent practicing under the microscope, but PBRS course is a great place to get your fundamentals—such as what does tigris do.


The answer of course, is often “You Tell Me” So stare at the schematic, find tigris. Ask yourself “Is this mostly a data handling chip? Or is it mostly a power handling chip?” Look at all the clues that are on that page and answer this question. “If you had to make a $100 bet on what does this chip do, what would you say?” I bet you can figure it out.


Jessa

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Thank you so much for the advice Jessa. I am actually watching your introduction to micro soldering video at ifixit

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Your best bet would be to take an electronics course at a local college. That will give you the basics. From there, go to the library and check out some electronics books. Look in electronics magazines which usually have tutorial articles in them as well. There are practice soldering kits available for less than $10 that are good starts for actual practice. Soldering in general takes practice. Get good at regular soldering before you try micro-soldering. They are different beasts.

Also, don’t skimp in the equipment. I am not suggesting you spend $1000 on a soldering station, but don’t try micro-soldering with a $10 soldering iron either. Try to get a used soldering station. They will be less expensive and should be good enough to start.

Once you get the basics down from the class, look up the datasheets on the ICs that you mentioned and read them. You won’t understand all of it at first, but it should spark questions that you can research. It will be a long but fun road.

Dan

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Its a shame that the only good board repair school is in New York and will cost you at least 2k plus room and board for 2-3 weeks with no way for grants or financial aid. More people should be educated in this. I bet there are many talented young people who could learn and do well and promote right to repair but just simply can’t afford it. There should be federally funded classes or schools like hers around the country. In the mean time I guess its good to at least have the videos.

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Both good schools and good teachers are often hard to find. What you need to find are people that have practical experience and can convey that experience. While I know of Jessa only from reputation and on-line videos, from what I have seen, she is the real deal. Yes, going to New York might be an expense, but getting hands-on experience from someone is better than book learning. Starting with someone that does this for a living (repairing not teaching) will provide you with the BEST start.

I too have been teaching for almost 40 years and can say from experience that there are many that know the material but cannot pass it along very well.

Dan

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MICHAEL JABARI NELSON さん、ありがとうございました！
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