Introduction
This guide will help you diagnose the Samsung Galaxy A70, Samsung Galaxy A50, and the Samsung Galaxy A20. This guide might also work for other Samsung models.
Vidéo d'introduction
-
-
Warm the device to soften the adhesive.
-
Use Sanction cup, Plastic tools and isopropyl alcohol.
-
Remove the silver Phillips screws from the device's frame.
-
-
-
-
Remove the plastic cap from the Fingerprint flex cable connector and disconnect the cable.
-
Remove the SIM Tray.
-
-
-
Use a plastic tool to separate the back cover from the frame. Start from the SIM tray hole.
-
-
-
Disconnect the main flex cable and connect the charger.
-
Use a multimeter to measure the voltages at the large end pins of the FPC connector of the charging board. (See the second image)
-
If the reading is okay (~5V) continue with the next step, if not - change the Charging board.
-
Attach the main flex cable and measure the large end pins of the Main flex FPC connector - pic.3.
-
If the reading is okay, continue with the next step, if not - change the Main flex cable.
-
To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
Annulation : je n'ai pas terminé ce tutoriel.
4 autres ont terminé cette réparation.
Équipe
