Samsung SGH-E740S Service Manual

SAMSUNG Proprietary-Contents may change without noticeThis Document can not be used without Samsung's authorization7. Block Diagrams7-17-1. Base Band Solution Block DiagramLCD_RESETANTANT•ControlM_I2CVSYNCHSYNCY(0:7)CS,WRLD(0:15)MODE_RSPNX5230(ARM 9@130MHz)PMB6272RTX_INRTX_QPRTX_QNRTX_IPPMUPCF50611HNVBATJACK(BAT)2.98V2.6V3.3V1.8V3.0V1.2VI2CKEY Conn.VOL. KEYCAM. KEYKEY_ROW(0:4)KEY_COL0:4)TEMP_PRODUCTVBATVFTHERMISTEREXT Conn.+VBUS3.8VRSTON+VDD_KEY(form LDO)32.768KHz32.768KHz(RTC)26MKHz(MCLK)AFCMemoryKAP29SN00AHA[1:24]HD[0:15]DSP(TCC8222)BT(BCM2048)w/ FMLCD CAM,VIBNAVI SPKCODECWM1808AMPLM4946SQI2SI2CCODEC_R/LHD(0:15)HFR_P/NAFR/L(FM)UART2PCM I/F+ -MIC_IN_P/NESD filterPACUSBU3USB_D+- EXT Conn.USB2.0/1.1EXT Conn.USB2.0/1.1USB S/WFSUSB30L10XUSBDP/M USB_MODEMUSB_MP3T-FLASHSIMSD_DET,CTLSIMIO.CLKEXT Conn.EXT Conn.SLIDE FPCB(SPK)SLIDE FPCB(SPK)SPK_P/NEARSPK_RLANTANTEXT Conn.(Pin1)EXT Conn.(Pin1)FM_ANTBT_ANT12MHz26MHz26MHzRF_DATA,CLK,EN32.768KHz(RTC)•B/BB/BIT_PMUONKEY_NMP3_RESET CAM_RESETBT_RSTSIM_RSTRSTEXTnEARMIC_P/NV_EXT_CRGREF_ON, CHARGE_CTRLH_KEYHOT KEYPAMRF3159RF_IN_GSMRF_IN_DCSMODEFEMESHS-C090SFEGSM_RX DCS_RX PCS_RXHB_RF_OUTLB_RF_OUTWHEELVGH_DETECTVBUS(USB_DETECT)USB_DETECTEAR1/2SD_DT/CK/CMDSWITCHNLAS5223SWITCHNLAS5223