To fully diagnose smartphone problems, it is extremely important to know the location of the connectors on the motherboard. It is necessary to understand which of the elements:
connects to a specific connector on the Board. During the BGA soldering courses, we study the diagnostics of the Board with a multimeter in great detail, including the measurement of voltage drop.
Connector for connecting the front camera loop. The alphanumeric designation of the connectors is aligned with Zillion X Work.
To connect a Wi-Fi antenna
Connector for rear camera
Connector for connecting the loop of the power button (Power) and volume buttons (Volume)
Connector for battery connection
Connection to the system Board ribbon cable
Connecting the display module and touch screen
Connector for connecting the Home button
In order to learn how to correctly and quickly diagnose the boards of phones and tablets, you need to start with the basics of circuitry and start using ZXW.