Tag Archive : iphone dead repair

iphone 7 dead repair after botched audio IC repair AppleFix Hamilton

iphone 7 dead repair after botched audio IC repair

iphone 7 dead repair after botched audio IC repair AppleFix Hamilton

We received this iphone from one of our dealers, the iphone was not turning on what we discovered that someone tried to fix the audio ic on this iphone and while doing that they damaged sdram 1.8Volt line.

We all know if RAM is missing from computer it will not turn on. Same is with iphone if No power to RAM is going it will not process the data and no communication between RAM, Storage NAND and processor and iphone will not turn on. Before we started looking into logicboard we tried to turn iphone on by DC power supply.

The reading from DC power supply can give crucial indications what might be wrong with iphone. Watch our previous videos to know hoe DC power supply reading give important information on where on the logicboard problem could be . Link to our youtube channel click here

Expert iphone repair in Hamilton New Zealand.

Physical inspection of the iphone 7 board we see flux lying around audio IC. Other than that board look fine. Checked the volts coming out from audio IC and figured out PP1V8 line is missing volts. Decided to remove the audio IC. Once the audio IC is removed find out 1.8Volt line pad on is missing. Also find out that they jumped wire audio codec line but the jum wire they used was thick. These type of audio IC repair jump diameter should be .01mm thicker than that ic might not sit or solder properly.

These type of iphone dead or logicboard repairs require knowledge and skills of reading schematic and board view and understanding of electronic components.

We replaced jump wire with 0.01mm and next we have to fix missing 1.8vold pad. Luckily we find the traces of the missing pad and used 0.02MM solder ball to make the pad.

iphone 7 dead repair after botched audio IC repair AppleFix Hamilton

Watch the full video on this repair below

After making the solder ball pad we checked the connectivity between pad and the next component attached to it by multimeter in connectivity mode.

Installed new audio IC and iphone bootup normally.

AppleFix Hamilton New Zealand 125 wardt street hamilton are iphone repair expert in hamilton waikato. We also offer logicboard repair courses

Skill development Job Oriented short Training course. In Latest Gadgets, Smart Mobile Phones, Tablets, Laptops, Desktops, gaming gadget, Playstation, Xbox Repair Technology.

This course is aimed / focused, to teach you to fix most common repairs an electronics repair shop could face in a practical working environment.  Start your own business or increase your chances to get job quickly. For more info on practical logicboard repair courses in new zealand click here 

We also offer mail in repair if you live out of hamilton to send your device read info here

Visit www.applefix.co.nz or call 078394111 or 078394188

iphone repair in Hamilton New Zealand

 

 

 

 

 

 

 

iphone dead repair, how to find faulty component or short on iphone logic board

iphone dead repair, how to find faulty component or short on iphone logic board

iphone dead repair, how to find faulty component or short on iphone logic board @ AppleFix Hamilton New Zealand

In this video i have shown iphone dead repair, how to find faulty component or short on iphone logic board Not just one but there were multiple problems on this iphone. There are several ways to find the faulty or shorted component on the iphone logic borad. But before i go into details of how to find a short on the logic board or any logic board it is important to know what a “short” means in electronics.

short circuit on PCB board refers to a condition in which electricity strays outside the established pathway of an electrical circuit. A short circuit happens when electrical flow completes its circuit journey via a shorter distance than is present in the established. On iphones there are two types of short ” in put short” and ” output short”. In most cases if the iphone is not liquid damaged usually it is a burnt capacitor that can create short on the iphone.

How to find shorted component on iphone logic board.

There are different ways you can find a shorted component on iphone logic board. The most commonly used method is supplying power to logic board with external power supply and check or feel with your hands where the log board is heating. With this method it is pretty hard to determine exactly which component is heating because there are components which you can see clearly on under microscope.

Isopropyl alcohol is easily available solution and can help to find which component  is heating. You can also use freeze spray which is shown in the video.

If both of above methods fail to conclude or find the faulty module or part. Thermal camera is best solution as shown in the video.. Watch the below video to learn how to uses, isopropyle, freeze or thermal camera method to find short on PCB board

iphone dead repair, how to find faulty component or short on iphone logic board

you can find another blog and video on iphone repair here

Expert iphone repair in Hamilton New Zealand.

AppleFix Hamilton New Zealand at 125 ward street hamilton New Zealand are iphone repair experts. get your iphone fixed by iphone repair experts, Call 078394188

Microsoldering & Logic Board Repair Courses

Visit and subscribe our youtube Channel for live Logic Board Repair

https://www.youtube.com/c/ApplefixCoNz

Skill development Job Oriented short Training course. In Latest Gadgets, Smart Mobile Phones, Tablets, Laptops, Desktops, gaming gadget, Playstation, Xbox Repair Technology.

This course is aimed / focused, to teach you to fix most common repairs an electronics repair shop could face in a practical working environment.  Start your own business or increase your chances to get job quickly.

iphone dead repair, how to find faulty component or short on iphone logic board

iphone dead repair, how to find faulty component or short on iphone logic board


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