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红米3原厂维修图纸(红米3 三级框图).pdf

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1 2 3 4 D C B A ANTENNA U2801 U2803 U1 SKY77916-21 ANT SW+2G PA VREG_L7_1P8 VBAT_RF (From U401) RFFE1_CLK RFFE1_DATA WTR0_PDET_IN U2702 B34_PRX B39_PRX TRX_B8 TRX_B5_BC0 TRX_B1 TRX_B2 TRX_B3 TRX_B7 TRX_B40 TRX_B41 B34B39_TX U3103 U3105 U3101 U3110 U3106 U3107 U3002 U3003 U3004 U2902 T U O _ A P _ 3 B T U O _ A P _ 2 B T U O _ A P _ 1 B X T _ 7 B T U O _ A P _ 0 C B _ 5 B T U O _ A P _ 8 B WTR0_PRX_MB1 WTR0_PRX_LB2 WTR0_PRX_LB3 WTR0_PRX_MB2 U3108 VDD_RF_SWITCH LTE_BPI_OUT75 WTR0_PRX_MB3 WTR0_PRX_HB2 X R P VPH_PWR VREG_L7_1P8 RFFE1_CLK RFFE1_DATA U4801 QFE2101 VPA_APT APT VBAT_RF VREG_L7_1P8 RFFE1_CLK RFFE1_DATA U2901 SKY77643-21 PA WTR0_PRX_HB1 PRX_B41/B40 WTR_PAIN_B1/B2/B3/B4/B34/B39 WTR_PAIN_B5/B8/B20 WTR_PAIN_B7/B38/B40/B41 WTR0_TX_DA4_GSM_LB WTR0_TX_DA5_GSM_HB ANTENNA U3301 U3302 SKY13418 (From U401) DRX_MODE_SEL1 DRX_MODE_SEL2 DRX_MODE_SEL3 VDD_RF_SWITCH DRX_B40 DRX_B7 DRX_B41 DRX_B1 DRX_B39 DRX_B3 DRX_B8 U3601 U3602 U3603 U3605 U3606 U3607 U3 VDD_RF_SWITCH LTE_BPI_OUT74 (FROM U401) VDD_RF_SWITCH LTE_BPI_OUT76 (FROM U401) U3604 U3608 WTR0_DRX_HB1 WTR0_DRX_HB2 WTR0_DRX_MB1 WTR0_DRX_MB2 WTR0_DRX_LB8 ANTENNA (FROM U401) EXT_GPS_LNA_EN VDD_WTR_2P05 U5101 FL5101 FL1 WTR0_GNSS_IN GPS U2 WTR4905 X T X R D VREG_EXT_1P2 VREG_L5_1P8 VREG_L8_2P9 VREF_LPDDR3 U1501 LPDDR3+EMMC X R P X R D S P G X T O I P G P R X D R X G P S T X WTR0_PRXBB_I_P WTR0_PRXBB_Q_P WTR0_DRXBB_I_P WTR0_DRXBB_Q_P WTR0_GPSBB_I_P WTR0_GPSBB_Q_P WTR0_TXBB_I_P WTR0_TXBB_I_M WTR0_TXBB_Q_P WTR0_TXBB_Q_M WTR0_GSM_TX_PHASE DRX_MODE_SEL1 (TO U3302) DRX_MODE_SEL2 DRX_MODE_SEL3 (TO U3604) LTE_BPI_OUT74 (TO U3108) LTE_BPI_OUT75 (TO U3608) LTE_BPI_OUT76 (TO U5101) EXT_GPS_LNA_EN (TO U1/U2901/U4801) RFFE1_CLK RFFE1_DATA RFFE5_CLK RFFE5_DATA WTR0_XO_IN (FROM U402) P O W E R VDD_WTR_2P05 VDD_WTR_1P225 U401 MSM8939 / D D R E M M C P O W E R SDC1_CLK SDC1_CMD MSM_RESOUT_N SDC1_DATA[0:7] EBI0_CS_N[0:1] EBI0_CKE[0:1] EBI_CLK_T/C EBI0_DQS_T[0:3] EBI0_DQS_C[0:3] EBI0_DM[0:3] EBI0_CA[0:9] EBI0_DQ[0:31] VREG_S1_1P15 VREG_S2_1P15 VREG_S3_1P3 VREG_L3_1P15 VREG_L5_1P8 VREG_L6_1P8 VREG_L7_1P8 VREG_L12_SDC VREG_L13_3P075 VREG_L14_UIM1 VREG_L15_UIM2 VREG_EXT_1P2 VREF_LPDDR3 VREG_EXT_1P15 TX RX TX&RX 供电 时钟 D C B A 1 2 3 4
1 2 3 4 5 1 P 1 _ 1 S _ G E R V 5 1 P 1 _ 2 S _ G E R V 3 P 1 _ 3 S _ G E R V 1 P 2 _ 4 S _ G E R V 5 2 2 P 1 _ R T W _ D D V 2 P 1 _ T X E _ G E R V 5 1 P 1 _ 3 L _ G E R V 5 0 P 2 _ R T W _ D D V 8 P 1 _ 5 L _ G E R V 8 P 1 _ 6 L _ G E R V 8 P 1 _ 7 L _ G E R V 9 P 2 _ 8 L _ G E R V 0 P 3 _ N C W _ D D V 8 P 2 _ 0 1 L _ G E R V C D S _ 1 1 L _ G E R V C D S _ 2 1 L _ G E R V I 5 7 0 P 3 _ 3 1 L _ G E R V 1 M U _ 4 1 L _ G E R V I I 2 M U _ 5 1 L _ G E R V 3 M U _ 6 1 L _ G E R V 5 8 P 2 _ 7 1 L _ G E R V 7 P 2 _ 8 1 L _ G E R V 3 R D D P L _ F E R V D C B A ) 1 0 4 U O T M O R F ( / Y401 XTAL_19M_IN XTAL_19M_OUT XTAL SMPS LDO (TO U401) KEY_VOL_UP_N J3 J9 (TO U4901) FM_ANT J10 HP MIC-1 EAR_DET CDC_HPH_L_OUT CDC_HPH_R_OUT U1903 VPH_PWR CDC_HPH_REF KYPD_PWR_N PM_RESIN_N VBAT BAT_CON_TEMP BAT_CON_ID MIC_IN2_P CDC_HS_DET CDC_HPH_L CDC_HPH_R LCD_2P85_EN (FROM U401) VREG_L16_UIM3 LED_I2C_SCL LED_I2C_SDA U1101 (TO U401) (TO U401) (TO U401) USB_HS_D_P USB_HS_D_M VPH_PWR LED_RED LED_GREEN LED_BLUE USB_HS_ID SPKR_OUT_P SPKR_OUT_M MIC1_P_C MIC1_M_1 J12 U5201 VPH_PWR AUDIO_PA_EN (FROM U401) MIC_IN1_P GND_MIC MIC_BIAS1 T A B I O D U A U402 PM8916 C L O C K GPIO M P P A U D O I MIC402 MIC1_IN3_P Rec CDC_EAR_P CDC_EAR_M CBL_PWR_N Q2401 SMB_INT BUCK_SMB_I2C_SCL BUCK_SMB_I2C_SDA INT_CW2015 EXT_BUCK_VSEL EXT_BUCK_EN_GPIO_4 (FROM U402) U5 CHARGER U4 U8103 P _ D _ S H _ B S U M _ D _ S H _ B S U N I _ S U B V _ B S U VPH_PWR VBAT VPH_PWR VREG_EXT_1P15 ANTENNA MSM_RESIN_N PS_HOLD SPMI_CLK SPMI_DATA BBCLK_MSM_EN BB_CLK SLEEP_CLK WCN_XO_CLK WTR_XO_CLK (TO U4901) (TO U2) UIM_BATT_ALM EXT_BUCK_EN_GPIO_4 (TO U8103) VDD_PX_BIAS_MPP VREF_DAC_MPP PWM_OUT VREG_L6_1P8 (TO U901) CDC_PDM_CLK CDC_PDM_SYNC CDC_PDM_TX CDC_PDM_RX0 CDC_PDM_RX1 CDC_PDM_RX2 (FROM J3) (TO U1903) (TO U5201) (TO U1101) (FROM/TO U1101) (FROM J12) (FROM/TO J12) (FROM/TO J12) KEY_VOL_UP_N LCD_2P85_EN AUDIO_PA_EN LED_I2C_SCL LED_I2C_SDA USB_HS_ID USB_HS_D_P USB_HS_D_M FL4902 WL_BT_RFIO_FIL (FROM J10) FM_ANT (FROM U402) WCN_XO_CLK VREG_S3_1P3 VREG_L5_1P8 VREG_L7_1P8 VDD_WCN_3P0 U4901 WCN3620 WCSS_BT_CTRL WCSS_BT_SSBI WCSS_BT_DAT_STB WCSS_FM_SSBI WCSS_FM_SDI WCSS_WLAN_CLK WCSS_WLAN_SET WCSS_WLAN_DATA[0:2] WLAN_BB_I_P WLAN_BB_I_M WLAN_BB_Q_P WLAN_BB_Q_M L O R T N O C K C O L C I O D U A O I P G B S U O I P G T B M F N A L W S D C A R D S I M / M C A M S C A M SDC2_SDCARD_CLK SDC2_SDCARD_CMD SDC2_SDCARD_D[0:3] UIM2_CLK_1 UIM2_RESET UIM2_DATA_1 UIM1_CLK_1 UIM1_RESET UIM1_DATA_1 UIM1_PRESENT (TO Q3) CAM0_MCLK MCAM_RST_N MIPI_CSI0_CLK_P MIPI_CSI0_CLK_N MIPI_CSI0_LANE_P[0:3] MIPI_CSI0_LANE_N[0:3] CAM_I2C_SCL CAM_I2C_SDA CAM_VDD_EN CAM_I2C_SDA CAM_I2C_SCL CAM1_MCLK SCAM_RST_N SCAM_PWDN MIPI_CSI1_CLK_P MIPI_CSI1_CLK_N MIPI_CSI1_LANE_P[0:1] MIPI_CSI1_LANE_N[0:1] U401 MSM8939 VDD_SD U701 VPH_PWR VREG_L5_1P8 Q3 UIM1_PRESENT (FROM U401) D J11 VREG_L15_UIM2 SDCARD/SIM VREG_L14_UIM1 J403 MCAM VREG_L6_1P8 VREG_L10_2P8 CAM_2P8_AVDD U2001 VPH_PWR VREG_L17_2P85 CAM_1P2_DVDD U6 VPH_PWR CAM_2P8_AVDD VREG_L6_1P8 J402 SCAM C B A FLASH CAM_FLASH_TORCH_MODE CAM_FLASH_TORCH_EN U2102 VPH_PWR LED2101 INFARED_DRV SENSOR_I2C_SDA SENSOR_I2C_SCL ALSP_INT_N GYRO_INT_N LCD_DC_EN1 LCD_DC_EN2 LCD_TE0 LCD_RST_N MIPI_DSI0_CLK_N MIPI_DSI0_CLK_P MIPI_DSI0_LANE_N[0:3] MIPI_DSI0_LANE_P[0:3] LCD_IC0 LCD_IC1 TP_I2C_SCL TP_I2C_SDA TP_INT_N TP_RST_N S E N S O R L C D T P Q2 U1701 M-Sensor U2201 ALSP U2202 G-Sensor U903 J4 LCD VPH_PWR VREG_L6_1P8 VREG_L17_2P85 VREG_L17_2P85 VREG_L6_1P8 VPH_PWR VSP VSN VREG_L6_1P8 LEDA LEDK U901 VPH_PWR PWM_OUT (FROM U402) J902 VREG_L17_2P85 1 2 3 4
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