iPhone 7 black screen of death repair
iPhone 7 black screen of death repair in hamilton
Got no display iPhone 7 black screen of death repair at AppleFix Hamilton. There could be many reasons why iPhone 7 lcd screen gone completly black.
- It could be because of impact damage.
- Battery connectors not removed while replacing LCD
- Poor quality copy lcd used.
- Electric discharge because of not working on antistatic mat with ESD clip.
It could happen even if none of all of above. iPhone 7 lcd screen use 20volts to lightup and sudden high power flow can blow any of the backlight circuit component. iPhone 7 backlight circuit is consist of resistors, capacitors, fuses ics and coils. First component to blow are fuses in the iPhone 7 backlight circuit and these fuses are there for the same reason so that any other component does not damage. If you are an iPhone technician and carrying out iPhone 7 black screen of death repair first components you will be checking are fuses. See below picture of an iPhone 7 backlight fuse is blown.
You can find many fixes on iPhone 7 black screen here but none of these will not work if it is a hardware failure. We find out one of the fuse on iPhone 7 backlight circuit is faulty it was removed and soldered new fuse and backlight come to life again. If you are fixing an iPhone 7 with black screen problem check the below components first.
if all of above fuses are working fine and still there is no display on iPhone 7 than it is backlight ic which is not working. iPhone 7 display driver boost ic is u3 part name is u3703. failure of this ic is also a common fault. This is not DIY repair. Even if you are a technician but if you don’t have micro soldering skills don’t try it is difficult and more over you should have knowledge to read schematic digram otherwise you might end destroying the iPhone.
AppleFix hamilton expertise in iPhone logicboard repairs
If you are having any problem on any iPhone from a simple repair of iPhone lcd screen replacement to most difficult repairs bring your iPhone to applefix at 85/a victoria street hamilton new zealand. Or call 078394188 or send us a query for a free quote.
The iPhone 7 with no display fixed. If you live out of hamilton you can send your device. To mailing your device read instruction here