iPhone 6S Plus Won’t Turn On repair

iPhone 6S Plus mobile phone Won't Turn On is detected to be caused by an Capacitor. After replacement, the problem of Short circuit disappears and the fault is repaired.

iPhone 6S Plus Won’t Turn On repair

Fault model: iPhone 6S Plus

Fault phenomenon: mobile phone Won’t Turn On

Maintenance process: one iPhone 6S Plusmobile phoneThe customer described no booting after normal use.Plug in the charger without any reaction, disassemble the machine for detection, clamp DC power supply, found that the main board is large current Short circuit machine.

iPhone 6S Plus Won't Turn On repair

iPhone 6S Plus Won’t Turn On repair Figure 1.

This situation is generally money picking machines, to see if it can be as smooth as we imagine, remove the motherboard.

iPhone 6S Plus Won't Turn On repair

iPhone 6S Plus Won’t Turn On repair Figure 2.

First of all, remove the motherboard and observe visually that the mobile phone has not been repaired, but there are obvious traces of falling. The stickers on shielding cover are obviously wrinkled.A single motherboard is used for temperature sensing with DC power supply. The approximate position of the main board high temperature is the lower part of high temperature. Tear off the sticker and carefully observe it under a microscope. It is found that there is a Capacitor with wrong color.

iPhone 6S Plus Won't Turn On repair

iPhone 6S Plus Won’t Turn On repair Figure 3.

Deduct it directly.

508;IMG_259

iPhone 6S Plus Won’t Turn On repair Figure 4.

It is obvious that there are cracks in Capacitor when it is magnified and observed. The circuit problem must be caused by it.Power on again, the problem of Short circuit has disappeared, and the mobile phone can be turned on normally.

589;IMG_260

iPhone 6S Plus Won’t Turn On repair Figure 5.

The test function is normal and the maintenance is over.