Samsung SGH-X640 Service Manual Manual pdf 45 page image
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Samsung SGH-X640 Service Manual

Also see for SGH-X640: User guideManualService manual

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Contents
  1. gsm general specification
  2. gsm tx power class
  3. charging part
  4. sim part
  5. microphone part
  6. key data input
  7. receiver part
  8. lcd part
  9. key back light
  10. camera part
  11. gsm receiver
  12. gsm transmitter
  13. dcs receiver
  14. dcs transmitter
Samsung SGH-X640 Service Manual Manual pdf 45 page image
SAMSUNG Proprietary-Contents may change without noticeDCS_RXEGSM_TX1000VC2(VC_PCS)10000PCS_RX0VC1(VC_DCS)EGSM_RX 0DCS/PCS_TX00VC3(VC_EGSM)01R107 R106C150C110C125R126C153C123VBATC155R105C124C133R120120R1082VCC3DCS/PCS21 18VCC3GSMVCCOUT19VCCOUT20VRAMP4513 NC14TXENABLE41VBATT42 43VBATT39VCC1DCS/PCSVCC1GSM 4635VCC2DCS/PCSVCC2GSM38NC36NC448NCNC910 NCNC11 NC12 NCNC24 NC25 NC26 NC27 NC283NCNC29 NC33NC48GSM850/900OUT61NCNC15 NC16 NC17NC2223 NC57 GNDGND30GND32GND3449 GND50 GNDGND51GSM850/900IN40DCS/PCSIN 37DCS/PCSOUT31GND4GND52GND53GND5447GND1GSMGNDU102BANDSELL113R114C118C137R113C114R101C103L111 L110R130ANT102C141C107C144R11713G5 OUT1OUT21SW124SW2VB1812VB2 VC 10G3G67G11GG914GC126OSC101C100C117L101L100R118L112R127R124R131C128R100L103C106C101F1012G5GIN13OUTOUT 4C111C113ANT101C102C120C156C152R125C138R104C131C119R128R116C135C143L105R129C112L104C109F102G25G1 INOUT 3OUT 4G25G1 INOUT 34OUTL107F100C104R112OSC1002GND3OUT4VCCVCON1C116C108C121C122C127L109C147R102L114R121C132145 GSM_RX11 GSM_TX PCS_RX 3VC1 48VC2VC3 27ANTDCS_RX1DCS/PCS_TX9G6G10G12G13GU103C145C115L106C130C146C136C149R111C148R103C151C1420R123R115R110F103213R119C134R109TXON5TXRFI1L1023437 RFGND2RFLOVCC28RFTUNE2631 RFVCC25RFVCOVCC23RXONSYNON24SYNVCC22TXCPO34TXCPVCCNC24635 PCSIAPCSIB368QAQB 914REFGNDREFIN 1516REFVCC21RFCPORFCPVCC 20RFGND1GND1GND24243 GND3GND44427GNDTUNEGSMIA3233 GSMIB6IAIB 71 0IFVCCNC145CLKFDBX13CLKOUT 11DATA 17DCSIA3839 DCSIBEN 192EXTRES29FESW1FESW230FESWON4041U10012CAFCSUP18CLKC139R132C129C105CN502A 23C1G4GANTSW_ONEGSMRXMEL_13MRF_BBI_CLKPCSRXFE_SW2DCSRXVCC_RX_TXVCC_CPVCC_SYNTHFE_SW1RF_EN_SYNTHRF_BBI_DATAPAM_DCS_TXPON_TXVCC_CPVCC_SYNTHPON_SYNTHPON_RXVCC_RFVCOPAM_EGSM_TXDCSRXEGSMRXPCSRXPCS_RXFE_SW2DCS_PCSTXEGSMTXPAM_EGSM_TXANTFE_SW1FE_SW2VCC_TX_BURSTDCS_TXVCO_ENGSM_TXVCO_ENPAM_TXENPAM_DCS_TXRAMPIRX_TX_PIRX_TX_NQRX_TX_PQRX_TX_NEGSMTXDCS_PCSTXD_REF_13MAFC
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SGH-X640
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