iPhone XR HD motherboard color diagram A
JUAT1_E: Upper antenna switch interface.
No signal after damage, abnormal signal.
J4300: Power button, secondary microphone, flashlight interface socket.
No microphone function, flashlight unusable, electric leakage, etc. after damage.
J4500: Dot matrix projector interface socket.
Face ID function unusable after damage.
U5000: Ear speaker two-in-one driver chip.
No sound from ear speaker, electric leakage, high current after damage.
U1000: CPU application processor A12.
No power on, some functions abnormal, flashing error 4013, 9, 4014 not connecting, etc. after damage.
U5900: Voltage comparator.
External accessory functions abnormal after damage.
U6200: Fast charging chip.
No charging, high current after damage.
J5700: Display socket interface.
No display, abnormal display, black screen, etc. after damage.
U5050, U5660 backlight driver chips.
No backlight, no display, electric leakage, etc. after damage.
U4902: Speaker amplifier chip.
No sound from speaker, electric leakage, high current, etc. after damage.
U5102: Vibration control IC.
Tactile feedback function abnormal, no vibration, electric leakage, high current, etc. after damage.
J3500: Mute volume key wireless charging socket interface.
Mute volume key wireless charging abnormal after damage.
J6400: Tail plug interface socket.
No sound from speaker, no charging, no microphone function, no vibration, etc. after damage.
U_ET2_K: Amplifier power supply tube.
No signal, no network, high current, etc. after damage.
J3200: Battery interface socket.
No power on, no charging, abnormal charging, etc. after damage.
J_SIM: Dual SIM card slot interface.
Cannot read card after damage.
External expansion control chip
RASTIC
SA12
Logic chip.
No power on after damage.
- Logic chip.
Pressure sensor
J3900: Rear
iPhone XR HD mainboard color diagram side B
FLQFLX_E: Signal diversity device. After damage, no signal, abnormal signal, etc.
DSM_LB_E: Low-frequency diversity receiver. After damage, no signal, abnormal signal, etc.
U4100: Flash drive 2. After damage, causes camera not to open, flashlight cannot be used normally.
U4120: Flash drive 1. After damage, causes camera not to open, flashlight cannot be used normally.
U3700: Camera power supply IC. Damage causes camera to not function normally, short circuit, large current, etc.
U2700: Main power supply IC. Damage causes failure to power on, short circuit, not connecting, rebooting, freezing, etc.
U_BB_K: Baseband CPU. Damage causes no baseband, flashing error 4013, automatic reboot, no signal, not recognizing card, etc.
U_XCVR_K: RF IC. Damage causes no service, no network, etc.
PA_UHB_K: 2G power amplifier. Damage causes no signal, no network, large current, short circuit, etc.
Duplexer
DSM_HB_E: Main frequency diversity receiver. After damage, no signal, abnormal signal, etc.
U4400: Iris recognition IC. Damage causes facial recognition function to be unusable.
-9985
BSBYDES
U4700: Large audio. Damage causes no sound, no earpiece, no ringtone, no sound in headphones, etc.
U5600: Touch power supply. Damage causes touch to not function normally, etc.
U2600: Hard disk. Damage causes failure to power on, white apple, large current, rebooting, flashing error 9, 40, 4014, etc.
U_PMIC_K: Baseband power supply. Damage causes flashing error 4013, rebooting after powering on, etc.
Y301_K: Baseband clock 38.4MHz
EEPROM_K: Baseband chip. Damage causes flashing error -1, no serial number, rebooting after powering on, etc.
U3400: Wireless charging IC. Damage causes wireless charging to not function normally, short circuit, large current, etc.
U3300: Charging IC. Damage causes failure to charge, cannot take in power, etc.