iPhone 8 is a modern and reliable smartphone. The eight features wireless charging, a glass case, and fast charging. The article indicates the designations and location of connectors on the system Board. To perform “complex” repairs, it is important to know where the connectors are located and what is connected to them. For more information on measurements on connectors and Troubleshooting, see the lessons on soldering bga chips.
J3200 – Battery Connector. Connector for connecting the battery. The battery capacity of 1821 mAh. The Voltage Is 3.8 V.
J3500 – Cyclone connector. Connector for connecting a wireless charging coil, using Qi technology.
J3900 – Wide Camera Connector. To connect a wide-angle camera with a resolution of 12 MP.
J4200 – FOREHEAD CONNECTOR. Connector for connecting the front camera loop.
J4300 – Strobe Connector. Connector for connecting the loop power button and volume buttons.
J5700 – DISPLAY TOUCH CONNECTOR. Connecting the display (image and backlight) and touch screen.
J5800 – MAMBA AND MESA CONNECTOR. Connecting a button Home.
J6400 – DOCK FLEX CONNECTOR. Connector for connecting the iPhone 8 system loop.
JLAT_EF – connector for connecting a Wi-Fi antenna.
TUNFX_EF – connector for connecting a Wi-Fi/Bluetooth antenna.
Knowing the location of the connectors on the system Board iPhone 8, the diagnostic time is reduced several times. Troubleshooting in most cases begins with taking measurements on the connectors.