8-3-6.充电部分 3 级维修 插入 TA/USB 是 充电起始电压 VUSB_FET_5V_CON (L528) = 5V 是 检查VUSB_FET_5V(C477)=5V 是 电池正在充电？ 是 结束 否 否 否 重新连接或更换 IF 副板 重焊 L528 重焊或更换 U400、U401 重焊或更换 UCP300 保密和所有权-本维修手册内容的变更恕不另行通知。 未经三星书面授权而发布，传送，或违背本文件中的任何内容或数据是严格禁止的。 8-15 

Level 3 Repair C597 C598 C599 VUSB_FET_5V_CON VDD_MIC_BIAS1_2.8V MAIN_MIC_P C534 L502 C535 TOUCH_KEY_2.8V 8 2 5 L 4 8 5 C VUSB_FET_5V_CON_JTAG HDC502 VREG_L5_1P8 MAIN_THM R535 R523 VREF_XO_THM TOUCH_I2C_SDA TOUCH_I2C_SCL TOUCH_INT 7 6 5 C VBATT_JTAG VBATT_IF 8 6 5 C 8 1 5 D Z 1 1 33 5 5 77 9 9 11 11 13 13 15 15 17 17 19 19 21 21 23 23 25 25 27 27 29 29 31 31 33 33 35 35 37 37 39 39 41 41 43 43 45 45 47 47 2 2 4 4 6 6 8 8 10 10 12 12 14 14 16 16 18 18 20 20 22 22 24 24 26 26 28 28 30 30 32 32 34 34 36 36 38 38 40 40 42 42 44 44 46 46 48 48 C N 2 5 C N 9 4 C N 0 5 C N 1 5 MAIN_MIC_M MUIC_DM_JTAG MUIC_DP_JTAG USB_DM USB_DP 2 1 5 D Z 3 1 5 D Z VBATT_CON C548 C549 VBATT_CON VDD_MUIC_IO_1P8 VUSB_FET_5V_CON VUSB_FET_5V R413 VDD_MUIC_IO_1P8 C476 C472 C477 C478 R415 1 D 5 A 4 A 2 A VREG_L5_1P8 VDD_MUIC_IO_1P8 USB_HS_D_P USB_HS_D_M B1 C1 D2 B3 C4 B4 D4 C3 D3 UART_TXD UART_RXD E2 E1 TXD RXD I N _ S U B V T A B V DP_HT DM_HT IDBP AUDIO_L AUDIO_R MIC GND VBUS_DEC GND I O D D V T U O _ S U B V C2 B2 SCL SDA ID_CON D5 C5 DP_CON DM_CON B5 A1 CHG_DET A3 E4 E3 INTB JIG BOOT D N G 5 E C N C N 1 2 MUIC_I2C_SCL MUIC_I2C_SDA USB_ID MUIC_INT CHG_DET JTAG_JIG_ON_N JIG_ON_N UART_BOOT_ON USB_DP USB_DM TP410 TP413 U400 C TO TO C546 R528 R533 R534 R526 R537 U505 4 3 OUT IN 1 EN D N G GND 2 5 U401 A1 CHGVIN A2 CHGVIN D7 VDDA G3 FGVIN D3 TEST1 F4 SADDR C3 AGND C4 AGND C5 AGND D5 AGND D6 AGND E5 AGND D4 FGALRT F2 FGSCL F3 FGSDA A5 SCL A4 SDA A3 IRQ G6 LDOVOUT C7 SLDOVOUT F6 G7 BUCKEN BUCKVIN F7 BUCKLX E6 BUCKVOUTS E7 BUCKPGND FG_ALERT FG_I2C_SCL FG_I2C_SDA IF_PMIC_I2C_SCL IF_PMIC_I2C_SDA IF_PMIC_INT VUSB_FET_5V 9 8 4 C VREG_L5_1P8 R417 4 1 4 R C470 C474 R418 VPH_PWR VBUS_DET CAM_SENSOR_A2P8 CAM_CORE_1P2 CAM_CORE_EN R436 0 8 4 C C485 2 8 4 C L411 1 8 4 C B1 VMID VMID B2 E2 CHGVDDP CHGVBOOTD2 CHGLX C1 C2 CHGLX CHGPGND CHGPGND D1 E1 F5 ISENSP ISENSN G5 E3 PPCTRL CHGVBATS FGVBATS BATDET MRSTB F1 G2 E4 G4 B5 LEDVIN B6 LEDVIN LEDCS1 A7 B7 FLAEN LEDCS2 STROBE A6 C6 1 MARK MARK 2 C469 C473 C471 C494 L405 R416 CHG_OUT C479 6 8 4 C R419 VBAT_SENSE VBAT_SENSE_FG 1 1 4 C R424 R426 CAM_FLASH_EN CAM_TORCH_EN 1 2 LED400 C483 Confidential and proprietary-the contents in this service guide subject to change without prior notice. Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited. 8-16