Have you ever tried to take aside your iPhone 3G or 3GS for a cracked or damaged display and located your self questioning what every of the numbered cables inside symbolize? The next article will describe every of those cable numbers and the widespread issues related when every one in all them is left disconnected.
The listing of cables is as follows:
#1: This cable connects the glass display/digitzer to the motherboard. Having this cable disconnected causes the contact perform to malfunction on the cellphone. Different causes of contact perform issues are a cracked iPhone display, a faulty digitizer, or the worst case is a burnt out motherboard 90 Degree iPhone Lightning Cable B091CTTWPY.
#2: This cable connects the LCD to the motherboard. Having this cable disconnected will trigger the LCD display to go black. The opposite explanation for a black/white LCD is dropping the iPhone, inflicting the liquid crystals to show white upon electrification.
#3: This cable connects the ear speaker and proximity sensor to the motherboard. Having this disconnected will trigger the cellphone to not acknowledge when your cellphone is near your face (inflicting you to push buttons whereas speaking), and/or it can trigger the earpiece to not perform. The small flap that secures this cable may be very very fragile and turns the motherboard right into a paperweight whether it is damaged.
#4: This cable connects the speaker, buzzer, microphone, antenna, and cost port to the motherboard. Having this disconnected will trigger all the above to malfunction. Different causes of a poor speaker output is a blown speaker.
#5: This cable connects the iPhone power button, silent/mute swap, headphone jack, and quantity management to the motherboard. Having this disconnected will trigger all the above to malfunction.
#6: This cable connects the iPhone Wi-Fi antenna to the motherboard. Having this disconnected is likely one of the causes of a “no-wifi” message being displayed within the settings.
#7: (3GS ONLY) This cable connects the iPhone antenna to the motherboard. Having this disconnected is one cause for no cell reception. The opposite cause for no iPhone reception could be a poor SIM connection or a defective SIM card.
With this information of the above cable connections it will likely be a lot simpler to troubleshoot points when you’re not sure what’s going on along with your cellphone. It would additionally assist when disassembling your cellphone.
