3苹果小米三星手机维修教程25元单击打开9300故障排除

1、26MHzGPS_UART_RXD GPS_UART_TXD GPS_UART_RTST-FL ASHMEGA_CAM_SCL_2.8V MEGA_CAM_SDA_2.8VGPIOGPS_UART_CTSMIPIGPSinterfacePOP MCP MEMORY(4G/4 G/1G)8MOSCcontrolMEMORY 16-BIT IFASM24 BIT RGB FLCD IF(1.8V)Application Processor+ Memory (POP)VT_CAM_SCL_2.8V VT_CAM_SDA_2.8VCP +CP PMICTRANSCEIVERPS_ALS_SCL_2.8

2、V PS ALS SDA 2 8VDigital RFDigital RF interfaceTOUCH_SCL_2.8V TOUCH SDA 2 8VMMC0/ 1GPIO(2.8V)SENSE_SCL_2.8V SENSE_SDA_2.8VPM_LWiFi 2.8VUSBMMC32G/3 G Tx2G/3G PAMAUDIOPM_HACC SENSORUARTSIMI2S22G/3 G RxI2S1Charger ICUSB_OTGBT/Wifi ModuleBT_UART_RXD BT_UART_TXDBAND S/WAP_FLM_RXD_2.8V AP FLM TXD 2 8VUART

3、 0UART 3BT_UART_CTS BT_UART_RTSCP_RXD CP_TXDUART 2AUDIOI2S0USBI2S1AP_FLM_RXD AP FLM TXDRXCP_RXD_1.8V CP_TXD_1.8VDUP/SAW BANKMHLMHL_I2C/MSENSOR_MHL_ 2CX-TAL 37.4MHzMHL DM/DP/IDBT_PCM_CLK BT_PCM_DINBT_PCM_DOUT BT_PCM_SYNCUSB_DP/DMUSB_DPIF_RXD IF_TXDUSB_DMUSB_IDMICRO USBSPEECH_PCM_IN OUT2-MIC ChipSPEEC

4、H_PCM_IN/OUT_ CODEC2MIC_I2C_1.8V_CPVPS_P VPS_NUSB_ DA/ S 2A/ S 1AP_RXD AP_TXDJTAG FOGSPK AMPJTAG_RXD JTAG_TXDSPK OUT P SPK_OUT_NAudio CodecAP PMICEAR LEAR AMPRCV AMPEAR_R3.5ø EARRCV OUT PRCV_OUT_NL NE2 L RLINE1L/RRADIO_LRADIO_RMIC1M C2MIC3FUEL_I2CRTCOVPMain MIC3 5phi Ear MICAP_PMIC_SCL AP_PMIC_

5、SDAMICB AS_LDO_32.76 8KHz8. 3 级维修8-1.框图REC_PCM_CLK REC_PCM_ N REC_PCM_OUT REC_PCM_SYNCSPEECH_PCM_CLK SPEECH_PCM_IN SPEECH_PCM_OUT SPEECH_PCM_SYNC2G_TX_LB2G_TX_HB3G_LB3G_HB3G_TX2G/3G_RX3G_TX8-1-本维修手册内容的变更恕不另行通知。和所三星而发布，传送，或违背本文件中的任何内容或数据是严格的。CP D+ CP_D-USB_VBUS_CP_5VUSB_VBUS_AP_5VVPS_P VPS_NMain mic_

6、P/NMM_I2S_CLK MM I2S SYNC MM_I2S_DIMM_I2S_DOSub mic_P NEar mic_P/NFM RadioMICRO USB S/W IPMIC_DP/DMAP_D+/-CSwitch ICSIM CARD16G i/MovinandISPSub MIC2 8VMICBIAS LDOM CB AS LDOMICBIAS LDOFUEL GAUGERESET ICLV. SHIFTERPCM / I2SIF Port 2PCM / 2SIF Port 1PCM / I2SIF Port 3GYRO SENSORTOUCH KEY24MHz TCXOVT

7、CAMERA/PROXY sensorMAGNETIC SENSOR26MHzGPS recieverUART 1T-FLASH3 级 维修8-2.主板图8-2-1.顶部000U7009U106U1090U70700030U7 5270900090Q2090CN30100009900U509900V 0 8-2和所-本维修手册内容的变更恕不另行通知。三星而发布，传送，或违背本文件中的任何内容或数据是严格的。9ANT2039U605ZD300SS99U709U71499U710U603TA700U604U7 1L5139U207SU108SU105SU101F101999RFS102RFS101

8、S 0000 9ANT1030009ANT102900099990099OSC2029U4019HDC60000900U70200000M C601BAT500U6070LED50000U7089U712F7029070800HEA70090HDC702HDC300HDC301AN 200U703AN 500AN 50S 0S 0U504S29S900S 0900S90SU6063 级 维修8-2-2.底部BIFC700BB230U600ZD70300L302C342U5020090C72909005000U704U2065079UCP400L51290508L50600 09U203SW60

9、0OSC20000000 8-3和所-本维修手册内容的变更恕不另行通知。三星而发布，传送，或违背本文件中的任何内容或数据是严格的。99UME300U500L503L509OSC4009L303U 0299L7029L205U2020L7070000U30109OSC20190090090U711C765C7330000UCP300000000U7130L505L50400 00900007000KE 500MIC6003 级 维修8-3.故障排除流程图设备示波器数字万用表电源供电器+字螺丝刀，ESD 安全镊子MT8820C和光谱分析器焊接熨斗 8-4和所-本维修手册内容的变更恕不另行通知。三星

10、而发布，传送，或违背本文件中的任何内容或数据是严格的。3 级 维修8-3-1 开机不能开机否检查电池电压，是否大于 3.4V？是开机并检查开机声音或电机的振动声或振动是否正常？是否异常检查SW600（焊接开裂处，开启，等等）是检查 U500 的输出电压(C561 = 1.0V、C559 = 1.1V, C558 = 1.0V、C556 = 1.0V)否是检查 U500 的输出信号(AP_PS_HOLD(TP) > 1.8V)否是否检查 OSC500(C505)的时钟频率是否为32Khz？是是结束 8-5和所-本维修手册内容的变更恕不另行通知。三星而发布，传送，或违背本文件中的任何内容或数

11、据是严格的。检查初始化操作更换 OSC500。如果 OSC400 仍不能，更换U501。此故障可能发生在 U501 的内部振荡器。测试条件(示波镜的设置)：20.0us.div (时间划分)正常情况下，输出电压是否正常，更换 U500。电压浮动在±10%左右正常情况下，输出电压是否正常，更换 U501。在启动过程中，电压的变动范围在 0.9V 到 1.3V 之间。更换SW600（电源键） 并重新尝试开机操作。更换MEA 前部-OCTA LCD组件使用充电器给电池充电，如果电压极低（低于 3.0V）更换电池。D1VINT_1.0V_AP VARM_1.1V_APVMIF_1.0V_AP

12、LX1L9LX2AM9LX2AL6LX2BM6LX2BL500H11LX3L501 L502H12LX3F1LX4AL503F2LX4AL504J1LX4BL505J2LX4BL506D12LX5L507A2LX6L508B12LX7L509L12LX8L510M2LX9C557C558C559C560C561BUCK4A_GNDBUCK3_GNDBUCK2B_GNDBUCK2A_GNDBUCK1_GNDC581C580C524C500C541C533U500C512L503C513L509C506C552312TP507P_eMMC_ENR483TP519C511C558C522C538C5

13、20C514L501C523C528C537C560C509C519C559C521C503L502 RRC5186C550C507OSC500C510C517L510C44C31C551Level 3 RepairTPL500C565C561C567C554C566L507C546 C573C532L512C515C553C574L508C525L506R448 C5C535R447C555 C531TP5088-6Confidential and proprietary-the contents in this service guide subject to change without

14、 prior notice.Distribution, transmission, or infringement of any content or data from this document without Samsungs written authorization is strictly prohibited.C505C501Level 3 RepairL302C342C330C318C329R300C33C348R308C3 5R303R315R333R307R30266TP313TP31 TP310R306TP5067R 7R319R 8C333R305TP505R30L500

15、CL507R50UCP400R465C532C515C553C4 7C4 8L506C422C544C42R 8C535R 7C5TP509P 01FM_RSTTP50818-7Confidential 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 Samsungs writt

16、en authorization is strictly prohibited.C501C50522pFUME300C5410603C533U500OSC500C512L503TFX-03C513VM4L509XINC50622pFL4C506XOUTC5520603TP312TP507C505TP_ MMC ENOSC400R483C539TP504C425C426R314TP4C400C324TP2R334TP308TP304TP307U718R332R331C311C313C403C312C408TP501UCP300R408C332C453 C451VC325C447C328C404C

17、310U71 3C347C534C508C516L505C557C556L504C526C549L5083 级 维修8-3-2.初始化初始化失败是重新软件异常否检查AP 复位AP_N_RST_IN(R504) =1.8V(高电平)是检查振荡器的时钟波形。32.768KHz：OSC500（TP213）24Mhz：OSC400（C427）异常正常异常结束 8-8和所-本维修手册内容的变更恕不另行通知。三星而发布，传送，或违背本文件中的任何内容或数据是严格的。更换主板更换UCP400、U501检查 OSC500、OSC400 和 R408（损坏，开启等等） 检查输出时钟波形和频率。测试条件(示波镜设

18、置)：20.0us.div (时间划分)检查 U500 和 R504（损坏，打开，等等）Level 3 RepairV_BATVCC_1.8V_APA23R 76R50R465UCP400207C4 7C4 8C422R 8C42R 7R 5750940M_RS2R46C237R460C2388-9and proprietary-the contents in this service guide subject to change without prior notice.Distribution, transmission, or infringement of any content o

19、r data from this document without Samsungs written authorization is strictly prohibited.AP CLOCKOSC400 SQBD02400D2JCGXTAL_24MHZ_INOSC400R483C539T 504C425R408 1M1005C426XTAL_24MHZ_OUTTP 03C426 C4271 PF 18PF25V2 VTP 0273C446C719 R441C405R442C239L305 R4561M R502 1M R5030603060315K R504 200KT 215T _2 4T

20、 _2 3TP_212TP_202060TP_201U301R5050603R452R709R427R451 C445R471C414C420 R464R408C453 C4512 2C 50R403R402R400R401R420R4 706033 级 维修8-3-3无服务无服务是：I9300X菜单键盘*#1234#检查版本：I9300：未知X 或：未知否检查CP_VSD1,CP_VSD2_1.8V CP_VSD1 (C342) =0.91.4V CP_VSD2 (C344) = 1.8V是否检查VREF VREF( C348) = 600mV异常是结束 8-10和所-本维修手册内容的变更恕

21、不另行通知。三星而发布，传送，或违背本文件中的任何内容或数据是严格的。更换板子检查并更换UCP300更换UCP300检查天线的触点（ANT102、ANT103page2）检查菜单设置菜单应用程序设置无线和网络移动网络网络模式设置是否为自动模式?Level 3 RepairDI3_RX_DADI3_ X_DA DI3_RX_DA X DI3_ X_DA XR30 0C 3WB473 05C _ONC _VSD _ 2V0S BS SS SC _VSD2_ 8VQM2H N3R3MGCC342S BS SS S303SIM_C K SIM_IOC344SD _GNDC343NCSIM_RSSX A

22、 _26MHZ_CSD2_GND00932KHZ_CUCP300S0S SHW_MON HW_MON2BDS _AUD O_INI C_HOS _WAKEU C _D-C _D+SSB SB SSBB SSBS SBS SB S BR3 9HSIC_DA A HSIC_S ROBEI C_S AVE_WAKEUS SS SS SC IVE_S A E_HSICR320M C_UAR _RXD M C_UAR _ XDS SS SR32 S 0E _C K_ENS_C K_EN S_C K_26MRIG_ NRESE _REQ_N RESE _ WRDWN_NRS _N_C RESE _N_RS

23、YS SYSBSS Bo Modem and MIC R ResetS0S So R ResetB SSCK_CDI_C DO_CMS_CVR C_ 8VSV VC347C3488-11and proprietary-the contents inthis service guide subject to change without prior notice.Distribution, transmission, or infringement of any content or data from this document without Samsungs written authori

24、zation is strictly prohibited.SS SSSS SSSS SSSS SSSSSSSS SSSS SSSS SSS SSS B9VSD1_GND VSD2_GND0 00 03 级 维修8-3-4.是否检查HDC300 管脚的焊接是否检查SIM 电压(R324) >= 1.8 或 3.0?是结束VTF_2.8VCP_VSIMNFC_SIMVCCR323R322CP_VSIMR325R326R327R329HDC300R328T_FLASH_D(2) T_FLASH_D(3)T_FLASH_CMDT_FLASH_CLKT_FLASH_D(0) T_FLASH_D(

25、1)1 1 3 3 2 2 4 4TP_329 TP_330SIM_CLK SIM_RST SIM_IONFC_SWP5 5 6 67 7 8 8R330TP_3319 9 10 1011 1112 1213 1314 1416 1615 15T_FLASH_DETECTZD300C350C3492 8-12和所-本维修手册内容的变更恕不另行通知。三星而发布，传送，或违背本文件中的任何内容或数据是严格的。17 NCNC 19 NC20 NCC351324更换为新的。如果在更换后仍不能运作，检查 UCP300（损坏，等等）重焊并重新检查Level 3 RepairV_BATV_BACP_VSD2

26、_1 8VVR C_1 8VCP VSD2_1 8VCP VSIMV SB_IO_3 VCP_VSD2_1 8VVUSB PD_1 1VC315CP_VSD2_1 8VVIO_1 2VV LL_1 2VPLL_1 2VCP_VSIMVPLL_1 2VCP_VS 2_1 8VCP_VSD1_1 2V CP_VSD1_1 2VCP_VSD1_1 2VVUSB_ O_3 1VVIO_1 VVPMU_1 3VVUSB_ANA_1 8VUSB_VBUS_CP_4 9VVUSB_PD_1 1VCP_VSD2_1 8VCP_A1(0:12)R310R311CP A1(0) CP A1(1)M M A 2 T

27、XM M A 2 TXM M A 2 2 TX 2 M M A 2 TXM M A 4 2 TX 4 M M A 2 TXM M A 2 TXM M A 7 2 TX 7T T2TT 4PDA_ACTIVECP A1(2)KCP A1(3)CP A1(4) CP A1(5)2MIC_SCL_1.8V_CP222MIC_SDA_1.8V_CPACP A1(6)CP A1(7) REC_PCM_OUTREC_PCM_IN REC_PCM_SYNC GPS_CLK_ENREC_PCM_CLK HSPA_ACTIVEDI3_RX_DAT2 2 XCP A1(8) CP A1(9)M M A 2 TXM

28、 M A 9 2 TX 9 M M A 2 TX2 2 TX2 2 WA2 2 WAACP A1(10)CP A1(11) CP A1(12)M M A 2 TXM M A 2 2 TX2M M A 2 TXM M A 4 2 TX4M M A 2 TX2 2 K2 2 KT 7SD_BA0 SD_BA1X ATTX ATX ATXTX ATXTCP_D1(0:15)DI3_TX_DATDI3_RX_DATXCP D1(0)ATDI3_TX_DATXM M A 2 XM M A 2 XM M A 2 2 X 2 M M A 2 XM M A 4 2 X 4 M M A 2 XM M A 2 X

29、M M A 7 2 X 7 M M A 2 XM M A 9 2 X 9M M A 2 XM M A 2 XM M A 2 2 X2M M A 2XM M A 4 2 X4M M A 2XM M A2M M A 72M M A2M M A 92M M A 22M M A 22M M A 222M M A 22CP D1(1)ACP D1(2) CP D1(3)AR315M 2M 4ACP D1(4)AH300CP D1(5)CP D1(6) CP_D1(7)CP_VSD1_1.2VTCP_ONCP D1(8)A2CP D1(9)CP D1(10) CP D1(11)L 02W WCP_VSD2

30、_1 8VCP D1(12)CP D1(13) CP D1(14)C34222 W2 WCP D1(15)AL 0SPEECH_PCM_CLKACP_DUMP_INT SPEECH_PCM_OUT_CPSPEECH_PCM_IN_CPC344SIM_CLK SIM_IOVSD1_GNDKC343T TSPEECH_PCM_SYNC 2MIC_RST_CPSIM_RSTT2MIC_WAKE_CPXTAL_26MHZ_CPVSD2_GNDK TK T2T 9ASD_DQM0 SD_DQM1SD_DQS0 SD_DQS132KHZ_CPM MM M222KUCP300MM M 2 2 X K2KM

31、M2 X KT TT TM MM M22SUSPEND_REQUEST_HSITTMM MM MK K22 TX KASD_nCLKHW_MON1 HW_MON2W MW M 2M MM M22SD_CSDSP_AUDIO_IN1M M 22M M2AR318IPC_HOST_WAKEUP CP_D-CP_DMSD_CAS SD_RASTM M A2M M A2M M A V2M M2M M W2M M WA T 2 WAK M M K 2 WAKM M K 2 TX KT TT ATATTR319MEM_WETHSIC_DATA1 HSIC_STROBE1IPC_SLAVE_WAKEUPKT

32、SD_CKE SD_CLKTATT 2KTT TX M TTX T7ACTIVE_STATE_HSICMM ATMM ATMM AT 2MM ATR320T2MIC_UART_RXDT2MIC_UART_TXDR321KT 2REF_CLK_EN SYS_CLK_EN SYS_CLK_26MTRIG_INK KT 22RTCK_CPMMMM KMM MT 2KT TT7 9CP_TXD CP_RXDM MX ATA XT2T 24KT 2RESET_REQ_NTRESET_PWRDWN_NFor Modem and PMIC, RF ResetT 2M MXX WAKT W WA TT TX

33、TA AMT 2T TRST_N_CPTT 27RESET_N_RFFor RF ResetMMM MTX ATA TXTXTX WAKAWT K TT TMTMKT TCK_CP TDI_CP TDO_CPTMS_CPTM T A KTM T A KTTM T A KTTM T A KT2TM T A KTVR C 1 8VKKAP_DUMP_INTM T A KT4TM T A KTTM T A KTVV TKTM T A KT7VT 9C347C3488-13and proprietary-the contents inthis service guide subject to chan

34、ge withoutprior notice.Distribution, transmission, or infringement of any content or data from this document without Samsungs written authorization is strictly prohibited.C319C320C334C335C336C337C311C338C312C339P16VBUSE10VDDCOREE13VDDCOREH9VDDCOREK9C340H3 D9D14A DVVDDCORE VDDCOREK14 R8VF 4V8VJ8VJ 1V

35、VL 0VL 4VVP8VVDDCOREE12C322VDDCORE_EBU0U15VDD_D GRFVDD_IO12B11VDD_ O18 VDD_EBU OVDD_ O18 VDD_EBU OJ 7VDD_IO18 VDD_EBU OK8VDD_IO18VDD_IO18N11VDD_IO18C325C326C310VU16VP 1V _PLLVDD_M PIC327L8VDD_MMCR12VDD_PLLR301V _PMUV _RTCV _SD1V _SD2V _USBVDD_RTCVDD_SIMVDD_USBIO VDD_USB_ANAVDD_USB_PDVDD_VBAT_PMUVDD_VBAT_SD1 VDD_VBAT_SD2VDD_VSD2V O_12 VPLLVPMUVPPVSIM VUSB_ANAVUSB_IO VUSB_PDM16T12F1R16VSD1_GND VSD2_GNDC328C316N14T15 F3C1 A4R300C318A1 A17N NRVSD1_GNDNU1L300B4 A5C313N NN NU17C314VSD2_GNDL3012G1 F2 H1 C4C317C321C323C324C329C330C3