• Got a board issue? , TXT (618) 944-4908 to get a quote!
  • All of these NetNames were sourced from Chinese repair manuals. I do not claim to be the originator of this information, and take no credit for its original creation. Please understand that there may be errors in translation. Also know that this is not a complete reference guide and any real knowledge comes from inference, and constant vigilance in your studies.

    Remember, the journey to the learn BLD is a long, and sometimes frustrating journey. Don’t ever forget that you are not alone. Others have come before you, and more will come after you. Just don’t give up. Everything’s available on google to those who know how to utilize it correctly. They did it, so why cant you?

    If you find errors, or have more to add to the list, please PM me /u/thephonegod on Reddit.

    If you would like a hard copy for your store. Please download the PDF HERE

    These NetNames were last updated 4-1-17, If your PDF does not match that date. It is out of date. Please update your PDF.

    Circuit NetName Description of Circuit
    12C2_AP_BI_ALS_SDA_CONN 1 2C2 DATA COMMUNICATION BETWEEN THE MAIN CPU AND THE OPTICAL SENSOR
    12CO_AP_SCL 12C INTERFACE CLOCK OF THE APPLIED PART
    12S_AP_OWL_TO_CODEC_XSP_LRCLK XSP CLOCK SIGNAL FROM THE OWL CIRCUIT OF THE MAIN CPU TO THE AUDIO
    12S_AP_TO_BB_BCLK CLOCK SIGNAL FROM THE MAIN CPU TO THE 12S INTERFACE OF THE BASEBAND CPU
    12S_AP_TO_BB_DOUT DATA OUTPUT FROM THE MAIN CPU TO THE 12S INTERFACE OF THE BASEBAND
    12S_AP_TO_BT_DOUT DATA OUTPUT FROM THE MAIN CPU TO THE 12S INTERFACE OF THE BLUETOOTH CHIP
    12S_AP_TO_CODEC_ASP_BCLK ASP CLOCK SIGNAL FROM THE MAIN CPU TO THE 12S INTERFACE OF THE AUDIO
    12S_AP_TO_CODEC_MCLK_R MAIN CLOCK SIGNAL FROM THE MAIN CPU TO THE 12S INTERFACE OF THE AUDIO
    12S_AP_TO_CODEC_MSP_BC LK CLOCK SIGNAL FROM THE MAIN CPU TO THE 12S VOICE COMMUNICATION OF THE
    12S_AP_TO_CODEC_MSP_DOUT DATA OUTPUT FROM THE MAIN CPU TO THE VOICE COMMUNICATION OF THE AUDIO
    12S_AP_TO_CODEC_MSP_LRCLK CLOCK SIGNAL FROM THE MAIN CPU TO THE VOICE COMMUNICATION OF THE AUDIO
    12S_AP_TO_CODEC_XSP_DOUT XSP DATA OUTPUT SIGNAL FROM THE MAIN CPU TO THE 12S INTERFACE OF THE AUDIO
    12S_AP_TO_SPEAKERAMP_M CLK_R CLOCK SIGNAL FROM THE MAIN CPU TO THE 12S INTERFACE OF THE AUDIO
    12S_BB_TO_AP_DIN DATA INPUT FROM THE BASEBAND TO THE 12S INTERFACE OF THE MAIN CPU
    12S_CODEC_TO_AP_ASP_DIN ASP DATA INPUT FROM THE AUDIO ENCODING AND DECODING TO THE 12S INTERFACE OF
    12S_CODEC_TO_AP_MS P DIN DATA INPUT FROM THE AUDIO ENCODING AND DECODING TO THE 12S VOICE
    50_BBPMU_TO_STOCKHOLM_19P2M_CLK 19.2M CLOCK SIGNAL FROM THE BASEBAND POWER OUTPUT TO THE
    50_MDM_19P2M_CLK MODEM 19.2M CLOCK SIGNAL
    50_MDM_19P2M_CLK_PMU 19.2M CLOCK SIGNAL FROM THE BASEBAND POWER OUTPUT TO THE BASEBAND CPU
    50_SLEEP_CLK_32K sleep clock 32.768KHz SIGNAL FROM THE BASEBAND POWER OUTPUT TO THE BASEBAND CPU
    50_SLEEP_JLK_32K SLEEP CLOCK 32.768KHZ
    50_WTR_19P2M_CLK 19.2M CLOCK SIGNAL FROM THE BASEBAND POWER OUTPUT TO THE RF TRANSCEIVER
    ACCEL ACCELEROMETER
    ACCEL GYRO ACCELEROMETER GYROSCOPE
    ACCELJNTL_L ACCELERATOR INTERRUPT SIGNAL
    ALS_INT_L AMBIENT LIGHT INTERRUPT SIGNAL
    ALS_TO_APINT_L INTERRUPT LOW EFFECTIVE SIGNAL FROM THE LIGHT SENSOR TO THE MAIN CPU
    ALSJNT_L AMBIENT LIGHT DETECT ION INTERRUPT SIGNAL
    AP_NTC MAIN PROCESSOR TEMPERATURE DETECTION
    AP_TO ARC_STAYIN_ALlVE HOLD ACTIVATION SIGNAL FROM THE MAIN CPU TO THE AUDIO FREQUENCY AMPLIFIER
    AP_TO_ARC_RESET_L RESET SIGNAL FROM THE MAIN CPU TO THE AUDIO FREQUENCY AMPLIFIER
    AP_TO_BB_MESA_ON_L FINGERPRINT OPEN SIGNAL FROM THE MAIN CPU TO THE BASEBAND
    AP_TO_BB_PCl E_DEV_WAKE SERVICE WAKE-UP SIGNAL FROM THE MAIN CPU TO THE PCLE INTERFACE OF THE
    AP_TO_BB_RADIO_ON_L OPEN SIGNAL FROM THE MAIN CPU TO THE BASEBAND POWER SUPPLY OF THE BASEBAND
    AP_TO_BB_RESET_L RESET SIGNAL FROM THE MAIN CPU TO THE BASEBAND
    AP_TO_BBPMU_RADIO_ON_L BASEBAND SWITCHING SIGNAL FROM THE MAIN CPU TO THE BASEBAND POWER
    AP_TO_BT_WAKE WAKE-UP SIGNAL FROM THE MAIN CPU TO THE BLUETOOTH CHIP
    AP_TO_FCAM_SHUTDOWN_L CIOS ING SIGNAL FROM THE MAIN CPU TO THE FRONT CAMERA
    AP_TO_FCAMJLK_R CLOCK SIGNAL FROM THE MAIN CPU TO THE FRONT CAMERA
    AP_TO_HP_HS3_CTRL CONTROL SIGNAL FROM THE MAIN CPU TO THE EARPHONE MIC
    AP_TO_LCM_RESET_L RESET SIGNAL FROM THE MAIN CPU TO THE DISPLAY SCREEN
    AP_TO_LED_DRIVER_E N OPEN SIGNAL FROM THE MAIN CPU TO THE FLASH LIGHT DRIVE
    AP_TO_LED_DRIVER_EN OPEN SIGNAL FROM THE MAIN CPU TO THE FLASH CHIP
    AP_TO_NAND_RESET_L THE RESET SIGNAL FROM THE MAIN CPU TO THE HARD DISK
    AP_TO_PMU_AMUX_OUT ANALOG COMPOSITE SWITCH SIGNAL OUTPUT FROM MAIN CPU TO POWER CHIP
    AP_TO_PMU_TEST_CLKOUT THE TEST CLOCK SIGNAL OUTPUT FROM THE MAIN CPU TO THE MAIN POWER CHIP
    AP_TO_PMU_WDOG_RESET THE WATCHDOG RESET FROM THE MAIN CPU TO THE POWER CHIP
    AP_TO_RCAM_SH UTDOWN C1OSING SIGNAL FROM THE MAIN CPU TO THE REAR CAM ERA
    AP_TO_RCAM_SHUTDOWN_L CLOSING SIGNAL FROM THE MAIN CPU TO THE REAR CAMERA
    AP_TO_SPEAKERAMP_RESET_L RESET SIGNAL FROM THE MAIN CPU TO THE AUDIO FREQUENCY AMPLIFIER
    AP_TO_STOCKHOLM_DEV_WAKE SERVICE WAKE-UP SIGNAL FROM THE MAIN CPU TO THE NEAR FIELD
    AP_TO_TOUCH_RESET_L RESET SIGNAL FRO M THE MAIN CPU TO THE TOUCH
    AP_TO_FCAM_CLK_CONN FRONT CAMERA CLOCK SIGNAL SENT BY THE MAIN CPU
    ARC_TO_APINT_L INTERRUPT SIGNAL FROM THE AUDIO FREQUENCY AMPLIFIER TO THE MAIN CPU
    AUDIO_ADIFFH_HP_AUD_DP HEADPHONE OUTPUT
    AUDIO CODEC AUDIO ENCODING AND DECODING
    BASEBAND BASEBAND BASEBAND
    BATIERY CONNECTOR BATTERY PEDESTAL
    BATIERY SWI BATTERY SOFT INT ERRU PT INSTRUCTION
    BATTERY_S NS BATTERY VOLTAGE DETECTION SIGNAL
    BB_EEPROM_12C_SDA DATA SIGNAL OF 12C INTERFACE OF BASEBAND CHIP
    BB_EEPROMJ2C_SCL CLOCK SIGNAL OF 12C INTERFACE OF BASEBAND CHIP
    BB_JTAG_SRST_L BASEBAND JTAG RESET SIGNAL
    BB_PMUJET_ON BASEBAND POWER START SIGNAL
    BB_RESET_DET_L BASEBAND RESET DETECTION SIGNAL
    BB_RESET_L BASEBAND RESET SIGNAL
    BB_TO_AP_GPS_TIME_MARK GPS TIME STAMP SIGNAL FROM THE BASEBAND TO THE MAIN CPU
    BB_TO_AP_RESET_DETECT_L RESET DETECTION SIGNAL FROM THE BASEBAND TO THE MAIN CPU
    BB_TO_PMU_PClE_HOST_WAKE_L THE HOST WAKE-UP LOW LEVEL EFFECTIVE SIGNAL FROM THE BASEBAND CPU TO
    BB_WAKE_AP BASEBAND WAKE
    BOARd_iD2 MOTHERBOARD VERSION IDENTIFICATION
    BOARD_ID4 MOTHERBOARD CONFIGURATION
    BOOST_PROT FEEDBACK
    BOOST_SENSE_P BRIGHTNESS ADJUSTMENT
    BOOT_CO NFIG2 BOOT CONFIGURATION ITEM 2
    BT_RESET_L BLUETOOTH RESET SIGNAL
    BT_TO_PMU_HOST_WAKE THE HOST WAKE-UP SIGNAL FROM THE BLUETOOTH TO THE MAIN POWER
    BT_WAKE BLUETOOTH WAKE-UP SIGNAL
    BT_WAKE_AP BLUETOOTH WAKE-UP
    BUTTON_RING ER_A FAST SWITCHING SIGNAL FROM THE SILENCE TO VIBRATION
    BUTTON_VOL_DOWN_L VOLUME KEY “+”
    CAM_CLK_SRC CAMERA CLOCK SIGNAL
    CAM_RESET_L CAMERA RESET SIGNAL
    CAM_SHUTDOWN CAMERA SHUTDOWN SIGNAL
    CAM_STROBE_EN FLASH ENABLE SIGNAL
    CAM_STROBE_EN CAMERA SHUTDOWN ENABLE
    CAM_VDDCORE_EN CORE POWER SUPPLY ENABLE SIGNAL IN THE CAMERA
    CLK32 K_GRAPE MULTI TOUCH 32K CLOCK
    CODEC_TO_AP_PMU_INT_L INTERRUPT SIGNAL FROM THE AUDIO ENCODING AND DECODING TO THE APPLICATION
    CODEC_TO_AP_PMU_INT_L POWER INTERRUPT SIGNAL FROM THE AUDIO ENCODING AND DECODING TO THE MAIN CPU
    CODEC_TO_HAC_P DIFFERENTIAL TRANSMISSION N FROM THE AUDIO EN CODING AND DECODING TO THE HEARING AID
    CODEC_TO_PMU_MIKEY_INT_L DIGITAL RECORDING INTERRUPT LOW LEVEL EFFECTIVE SIGNAL FROM THE AUDIO
    CODEC_TO_RCVR_N DIFFERENTIAL TRANSMISSION SIGNAL N FROM THE AUDIO ENCODING AND DECODING TO THE
    COMPASS COMPASS
    COMPASS_BRD_INT COMPASS INTERRUPT SIGNAL
    CYROJNT2 GYROSCOPE INTERRUPT SIGNAL
    DIVERSITY ANTENNA SWITCH ANTENNA SWITCH
    EHCI_PORT_PWR BUS FEEDBACK
    FOCE2_VREF CHIP SELECT REFERENCE VOLTAGE
    FORCE DFU FORCED DFU MODE
    FOREHEAD_NTC TEMPERATURE DETECTION ON THE TOP OF THE MOTHERBOARD
    FRONTMIC3_TO_CODEC_AIN4_CONN_N DIFFERENTIAL TRANSMISSION N FROM THE FRONT MIC3 OF THE
    GRAPE_RESET_L MULTI TOUCH RESET SIGNAL
    GYRO GYROSCOPE GYROSCOPE
    GYRO_INT2 GYROSCOPE INTERRUPT SIGNAL
    HOST_BB_HSIC_RDY BASE BAND MAIN CONTROL SIGNAL
    HPHONE_DET EARPHONE DETECTION
    HPHONE_OUT EARPHONE SIGNAL OUTPUT
    HPHONE_REF EARPHONE REFERENCE VOLTAGE
    HPHONE_REF_CTRL EARPHONE REFERENCE VOLTAGE CONTROL
    HPHONE_RET EARPHONE SIGNAL RETURN DETECTION
    I2S_AP_TO_BT_LRCLK CLOCK SIGNAL FROM THE MAIN CPU TO THE 125 OF THE BLUETOOTH
    I2S_BT_TO_AP_DIN DATA INPUT SIGNAL FROM THE BLUETOOTH TO THE 125 OF THE MAIN CPU
    L1NEOUTL_REF EXTERNAL AUDIO REFERENCE VOLTAGE
    LCD_BOOST_CTRL BACKLIGHT ADJUSTMENT MANAGEMENT
    LCD_BOOST_OUT BACKLIGHT BOOST OUTPUT
    LCD_BST_SW BACKLIGHT TIME SWITCH
    LCD_PWR_EN LCD POWER ENABLE SIGNAL
    LCD_RESET_L LCD RESET SIGNAL
    LCM_ISENSE INDUCTION
    LCM_TO_OWL_BSYNC SYNCHRONIZATION SIGNAL FROM THE DISPLAY SCREEN TO THE MAIN PROCESSOR
    LED_DRIVE_GSMB LED DRIVING SIGNAL
    LED_DRIVE_OUT FLASH OUTPUT
    LED_MODULE_NTC FLASH ELEMENT TEMPERATURE DETECTION
    LED_PWR_IN BACKLIGHT VOLTAGE INPUT
    LINE_OUT EXTERNAL AUDIO OUTPUT
    MAMBA_EXT_LDO_EN FINGERPRINT SCANNING CIRCUIT EXTERNAL CONNECTION LDO CHIP OPEN SIGNAL
    MENU_KEY_L RETURN KEY(HOME)
    MESA_TO_AP_INT INTERRUPT SIGNAL FROM THE FINGERPRINT TO THE MAIN CPU
    MIPI_AP_TO_LCM_DATAO_N TRANSMIT DATA FROM THE MA IN CPU TO THE MIPI INTERFACE OF THE DISPLAY SCREEN
    MIPI_FCAM_TO_AP_CLK_CONN_N TRANSMISSION CLOCK DIFFERENTIAL SIGNAL N FROM THE FRONT CAMERA TO THE
    MIPI_FCAM_TO_AP_DATA1_CONN_P DATAL GROUP OF TRANSMISSION DIFFERENTIAL SIGNAL P FROM THE FRONT
    MIPI_FCAM_TO_AP_DATAO_CONN_N DATA 0 GROUP OF TRANSMISSION DIFFERENTIAL SIGNAL FROM THE FRONT
    MIPI_FCAM_TO_AP_DATAO_P TRANSMIT DATA FROM THE FRONT CAMERA TO THE MIPI INTERFACE OF THE MA IN CPU
    MIPI_RCAM_TO_AP_DATAO_CONN_P TRANSMIT DATA FROM THE REAR CAMERA TO THE MIPI INTERFACE OF THE
    MIPIJCAM_TO_AP_C LK_CONN_P TRANSMISSION CLOCK DIFFERENTIAL SIGNAL P FROM THE FRONT CAMERA TO THE
    MMPA_2G3G_MODE POWER AMPLIFIER MODE CONTROL SIGNAL
    NIMBUS_VDDH_TEST MULTI TOUCH TEST SIGNAL
    NTC_CAM _P CAMERA NTC DETECTION SIGNAL
    NTC_H4P_P NTC DETECT ION SIGNAL IN THE AT PART
    NTC_RFPA_P RADIO FREQUENCY NTC DETECTION SIGNAL
    OSCAR_BI_AP_TIME_SYNC_HOSTJNT TIME SYNCHRONIZATION HOST INTERRUPT SIGNAL BETWEEN CO -PROCESSOR
    OSCAR_TO_PHOSPHORUS_SPI_CS_L CHIP SELECT LOW LEVEL EFFECTIVE SIGNAL FROM THE CO-PROCESSOR TO THE AIR
    OSCAR_TO_COMPASS_SPI_CS_L CHIP SELECT LOW LEVEL EFFECTIVE SIGNAL FROM THE CO-PROCESSOR TO THE SPI
    PCIE_AP_TO_NAND_REFCLK_P REFERENCE CLOCK SIGNAL FROM THE MAIN CPU TO THE PCIE INTERFACE OF THE HARD
    PCIE_AP_TO_NAND_RESET_L RESET SIGNAL FROM THE MAIN CPU TO THE PCIE INTERFACE OF THE HARD DISK
    PCIE_AP_TO_NAND_TXDO_P THE EMIT DATA FROM THE MAIN CPU TO THE PCIE INTERFACE OF THE HARD DISK
    PCIE_AP_TO_WLAN_DEV_WAKE SERVICE WAKE-U P SIGNAL FROM THE MAIN CPU TO THE PCIE INTERFACE OF THE
    PCIE_BB_BI_AP_CLKREQ_L CLOCK REQUEST LOW VALID SIGNAL FROM THE BASEBAND TO THE PCIE INTERFACE OF THE
    PCIE_NAND_TO_AP_CLKREQ CLOCK REQUEST SIGNAL FROM THE HARD DISK TO THE PCLE INTERFACE OF THE MAIN CPU
    PCIE_NAND_TO_AP_RXDO_P THE RECEIVE DATA FROM THE HARD DISK TO THE PCLE INTERFACE OF THE MAIN CPU
    PClE_AP_TO_WLAN_RESET_L RESET SIGNAL FROM THE MAIN CPU TO THE PCLE INTERFACE OFTHE WIFI CHIP
    PGND_IRLED_K INFRARED LIGHT EMITTING DIODE CATHODE GROUNDING
    PLL AVDD PHASE-LOCKED LOOP FEEDBACK CONTROL CIRCUIT
    PMIC_RESOUT_L RESET LOW LEVEL ACTIVE SIGNAL OUTPUT BY BASEBAND POWER
    PMU_RESET_IN POWER MANAGEMENT RESET INPUT
    PMU_TCAL TEMPERATURE CORRECTION OF THE POWER CHIP CIRCUIT
    PMU_TO_APIRQ.L INTERRUPT REQUEST SIGNAL FROM THE MAIN POWER CHIP TO THE MAIN CPU
    PMU_TO_BB_PMIC_RESET_R_L RESET SIGNAL FROM THE MAIN POWER CHIP TO THE BASEBAND POWER
    PMU_TO_BB_USB_VBUS_DETECT DETECTION SIGNAL FROM THE MAIN POWER CHIP TO THE USB 5V OF THE
    PMU_TO_BBPMU_RESET_L RESET SIGNAL FROM THE MAIN POWER CHIP TO THE BASEBAND POWER
    PMU_TO_CODEC_DIGLDO_PULLDN DIGITAL LDO PULL DOWN FROM THE MAIN POWER CHIP TO THE AUDIO ENCODING
    PMU_TO_NAN D_LOW_BATI_BOOT_L BATTERY LOW VOLT AGE START LOW LEVEL EFFECTIVE SIGNAL FROM THE MA IN
    PMU_TO_STOCK HOLM_EN OPEN SIGNAL FROM THE POWER CHIP TO THE NEAR FIE LD COMMUNICATION CHIP
    PMU_TO_WLAN_REG_ON OPEN SIGNAL FROM THE POWER CHIP TO THE POWER SUPPLY OF THE WIFI
    PMUJRQ_L POWER INTERRUPT REQUEST SIGNAL
    PP_BATT_VCC BATTERY POWER SUPPLY VOLTAGE
    PP_CODEC_TOFRONTMIC3_BIAS_CONN BIAS POWER SUPPLY FROM THE AUDIO ENCODING AND DECODING TO THE
    PP_LED_DRIVER_COOL_LED FLASH LIGHT COLD LIGHT DRIVING POWER SUPPLY
    PP_LED_DRIVER_WARM_LED FLASH LIGHT WARM LIGHT DRIVING POWER SUPPLY
    PP_QPOET_VCC_PA POWER AMPLIFIER POWER SUPPLY CHIP OUTPUT THE POWER SUPPLY TO THE POWER AMPLIFIER
    PP_QPOET_VDD_BOOST_OUT BOOST OUTPUT OF POWER AMPLIFIER POWER SUPPLY CHIP
    PP_SPHERE FOCUSING DRIVE POWER SUPPLY
    PP_UIM1_LDOll SIM CARD POWER SUPPLY 1.8V
    PP_VCC_MAIN MAIN POWER SUPPLY VOLTAGE
    PP3VO_PROX_CONN 3V POWER SUPPLY OF THE PROXIMITY SENSOR ON THE PEDESTAL
    PP3VO_PROXJRLED 3V POWER SUPPLY OF THE INFRARED PROXIMITY SENSOR
    PP5VO_USB_PROTECT USB CHARGING VOLTAGE
    PPlV2_FCAM_VCORE_CONN CORE POWER SUPPLY 1.2V OF THE FRONT CAMERA
    PPlV8_FCAM_CONN 1.8V POWER SUPPLY OF THE FRONT CAMERA
    PROX & ALS INTE RFACE PROXIMITY SENSOR
    PROX_RX PROXIMITY SENSOR RX SIGNAL
    PROX_RX_EN PROXIMITY SENSOR RX ENABLE
    PROX_TX_EN PROXIMITY SENSOR TX ENABLE
    PS_HOLD MAINTAIN SIGNAL
    PS_HOLD_PMIC MAINTAIN SIGNAL SENT BY BASEBAND CPU TO THE BASEBAND POWER
    RADIO_ON_L POWER START SIGNAL
    RADIO_PA_NTC BASEBAND POWER AMPLIFIER TEMPERATURE DETECTION
    RCAM_TO_AP_MIPI_DATA3_P TRANSMISSION DATA FROM THE REAR CAMERA TO THE MIPI INTERFACE OF THE MAIN
    RCAM_TO_LEDDRV_STROBE_EN FLASH OPEN SIGNAL FROM THE REAR CAMERA TO THE FLASH CHIP
    RCVR_TEST RECEIVER TEST
    REAR_CAMER_NTC REAR CA MERA CIRCUIT TEMPERA TU RE DETECTION
    RESISTOR FOR TEMP CALIBRATION THERMISTOR SENSOR
    RF ANYTHING THAT HAS RF HAS TO DO WITH RADIO FREQUENCY
    RFFE_CLOCK_FILTERS CLOCK SIGNAL FILTERING PART OF THE FRONT END OF THE RF
    RINGER_A MUTE SWITCH BUTTON
    RVCR_CONN_N RECEIVER
    SIM_CLK SIM CARD CLOCK SIGNAL
    SIM_DETECT SIM CARD DETECTION SIGNAL
    SIM_RST SIM CARD RESET SIGNAL
    SIM_TRAY_DET SIM CARD INSERTION TEST SIGNAL
    SIMCRD_RST SIM CARD RESET SIGNAL SIM CARD RESET SIGNAL
    SLEEP_CLK MAIN TALK SIGNAL MAIN TALK SIGNAL
    SLEEP_CLK SLEEP CLOCK SLEEP CLOCK
    SO_LB_ASM_ANTl_LAT SIGNAL FROM THE LOW FREQUENCY BAND ANTENNA TO THE ANTENNA
    SO_MB-HB_ASM_ANTl_LAT SIGNAL FROM MIDDLE AND HIGH FREQUENCY BAND ANTENNA SWITCH TO THE ANTENNA
    SPEAKERAMP_TO_AP_INT_L INTERRUPT SIGNAL FROM THE AUDIO FREQUENCY AMPLIFIER TO THE MAIN CPU
    SPI_AP_TO_CODEC_CS_L CHIP SELECT FROM THE MAIN CPU TO THE SPI OF AUDIO ENCODING AND DECODING CHIP
    SPI_AP_TO_CODEC_MOSI THE MAIN OUTPUT FROM INPUT FROM THE MAIN CPU TO THE SPI OF THE AUDIO ENCODING
    SPI_AP_TO_CODEC_SCLK CLOCK SIGNAL FROM THE MAIN CPU TO THE SPI OF AUDIO ENCODING AND DECODING CHIP
    SPI_AP_TO_MESA_MOSI THE MAIN OUTPUT FROM THE INPUT SIGNAL FROM THE MAIN CPU TO THE SPI INTERFACE OF
    SPI_AP_TO_MESA_SCLK_R CLOCK SIGNAL FROM THE MAIN CPU TO THE SPI INTERFACE OF THE FINGERPRINT CHIP
    SPI_AP_TO_TOUCH_CS_L CHIP SELECT LOW LEVEL EFFECTIVE SIGNAL FROM THE MAIN CPU TO THE 5P I INTERFACE OF
    SPI_AP_TO_TOUCH_MOSI THE MAIN OUTPUT FROM THE INPUT SIGNAL FROM THE MAIN CPU CHIP TO THE SPI
    SPI_AP_TO_TOUCH_SCLK_R CLOCK SIGNAL FROM THE MAIN CPU TO THE SPI INTERFACE OF THE TOUCH
    SPI_CODEC_TO_AP_miSO THE MAIN OUTPUT FROM INPUT FROM THE AUDIO ENCODING AND DECODING TO THE SPI
    SPI_MESA_TO_AP_miSO THE MAIN INPUT FROM THE OUTPUT SIGNAL FROM THE FINGERPRINT TO THE SPI INTERFACE OF
    SPI_TOUCH_TO_AP_MISO THE MAIN INPUT FROM OUTPUT SIGNAL FROM THE TOUCH TO THE SPI INTERFACE OF THE
    SPK AMP LOUDSPEAKER AMPLIFIER
    SPKAMP_EN SPEAKER PER-AMPLIFIER ENABLE SIGNAL
    SPKR_CONN_PREAMP _P PER-AMPLIFIER OUTPUT TO RING AMPLIFIER
    STOCKHOLM_TO_PMU_HOST_WAKE THE HOST WAKE-UP SIGNAL FROM THE NEAR FIELD COMMUNICATION CHIP TO
    SW_BOOST BACKLIGHT SWITCH
    SWI_AP_BI_TIGRIS ELECTRIC QUANTITY DETECTING SIGNAL FROM THE MAIN CPU TO THE CHARGING CHIP
    SWI_AP_BI_TIGRIS_FET ELECTRON IC QUANTITIES DETECTION SIGNAL BETWEEN THE MAIN CPU AND THE CHARGING CHIP
    TIGRIS CHARGER CHARGE MANAGEMENT CHIP
    TIGRIS_ACTIVE_DIODE CHARGE TUBE ACTIVATION SIGNAL
    TIGRIS_TO_BATIERY_SWI ELECTRONIC QUANTITIES DETECTION SIGNAL FROM THE CHARGING CHIP TO THE BATTERY
    TIGRIS_TO_PMUINT_R_L INTERRUPT SIGNAL FROM THE CHARGING CHIP TO THE MAIN POWER CHIP
    TIGRIS_VBUS_DETECT CHARGING SV DETECTION
    TOUCH_TO_APINT_L INTERRUPT LOW EFFECTIVE SIGNAL FROM THE TOUCH TO THE MAIN CPU CHIP
    TOUCH_TO_PROX_RX_EN_FCAM_CONN RECEIVE OPEN SIGNAL FROM THE TOUCH CHIP TO THE PROXIMITY SENSOR
    TOUCH_TO_PROX_TX_EN_BUFF SEND AND OPEN BUFFER SIGNAL FROM THE TOUCH TO THE PROXIMITY SENSING
    TRISTAR_TO_APINT INTERRUPT SIGNAL FROM THE USB MANAGER TO THE MAIN CPU
    TRISTAR_TO_TIGRIS_VBUS_OFF CLOSING SIGNAL OF THE CHARGING CHIP SV OVER-VOLTAGE PROTECTION
    UART_ACCESSORY_TO_AP_RXD RECEIVING DATA FROM THE ATTACHMENT TO THE UART SERIAL OF THE MAIN CPU
    UART_AP_DEBUG_RXD THE MAIN PROCESSOR SECTION DEBUG INTERFACE OF THE UART SERIAL RECEIVES DATA
    UART_AP_TO_ACCESSORY_TXD TRANSMISSION DATA FROM THE MAIN CPU TO THE UART SERIAL OF THE USB
    UART_AP_TO_BT_RTS_L UART SERIAL FROM THE MAIN CPU TO THE BLUETOOTH CHIP SEND S REQUEST SIGNAL
    UART_AP_TO_BT_TXD SENDING DATA FROM THE MAIN CPU TO THE UART INTERFACE OF THE BLUETOOTH CHIP
    UART_AP_TO_STOCKHO_LM_TXD TRANSMISSION DATA FROM THE MAIN CPU TO THE UART SERIAL OF THE NEAR FIELDN COMMUNICATION
    UART_AP_TO_STOCKHOLM_RTS_L UART SERIAL FROM THE MAIN CPU TO THE NEAR FIELD COMMUNICATION CHIP
    UART_AP_TO_WLAN_RTS_L UART SERIAL FROM THE MAIN CPU TO THE WIFI CHIP SENDS REQUEST SIGNAL
    UART_AP_TO_WLAN_TXD TRANSMISSION DATA FROM THE MAIN CPU TO THE UART SERIAL OF THE WIFI CHIP
    UART_BT_TO_AP_CTS_L UART SERIAL FROM THE BLUETOOTH TO THE MAIN CPU CLEARS SENDING SIGNAL
    UART_STOCKHO LM_TO_AP_RXD RECEIVING DATA FROM THE NEAR FIELD COMMUNICATION CHIP TO THE UART
    UART_STOCKHOLM_TO_AP_CTS_L UART SERIAL FROM THE MAIN CPU TO THE NEAR FIELD COMMUNICATION CHIP
    UART_WLAN_TO_AP_RXD RECEIVING DATA FROM THE WI FI CHIP TO THE UART SERIAL OF THE MAIN CPU
    UART_WLAN_TO_APITS_L UART SERIAL FROM THE MAIN CPU TO THE WI FI CHIP CLEARS SENDING SIGNAL
    USB_AP_DATA_N THE DATA FROM THE USB TO THE MAIN CPU
    USB_VBUS USB REFERENCE VOLTAGE INPUT
    USB_VBUS_PROT _SNS USB CHARGING DETECTION
    USBHS_P\USB FS_P USB COMMUNICATION INTERFACE
    VBATI_SENSE BATTERY QUANTITIES DETECTION AND TRANSMISSION
    VBOOST_LCM LCD DISPLAY MAIN POWER
    VIB_LDO_EN VIBRATOR POWER SUPPLY ENABLE
    VIB_PWM VIBRATOR DRIVE SIGNAL
    VIDEO_AMP_EN EARPHONE REFERENCE VOLTAGE CONTROL
    VOL_DWN_L VOLUME DOWN
    VOL_UP_L VOLUME UP
    W LAN_WAKE_AP WLAN WAKEUP
    WLAN LAT 2.4GHZ BAW BPF WIFI 2.4GHZ BAND PASS FILTERING CIRCUIT
    WLAN_HSIC_RDY WIRELESS CONTROL SIGNAL
    WLAN_TO_PMU_HOST_WAKE THE HOST WAKE-UP SIGNAL FROM THE WIFI CHIP TO THE MAIN POWER
    XO_OUT_D1_EN CLOCK OUTPUT ENABLE SIGNAL
    XO_OUT_DO_EN BASEBAND CLOCK OUTPUT SIGNAL
    XTAL_19P2M_OUT 19.2MHZ CLOCK SIGNAL OUTPUT
    XTAL_19P2MJN 19.2MHZ CLOCK SIGNAL INPUT
    XTAL_API4M_OUT THE 24M CLOCK SIGNAL OUTPUT OF THE MAIN CPU