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Samsung SGH-E770 Service Manual

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GSM TELEPHONE
GSM TELEPHONE
SGH-E770
CONTENTS
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  • Page 1: Table Of Contents

    GSM TELEPHONE SGH-E770 GSM TELEPHONE CONTENTS Specification Flow Chart of Troubleshooting Exploded View and Parts List MAIN Electrical Parts List PCB Diagrams Block Diagrams...

  • Page 2: Specification

    1. SGH-E770 Specification 1-1. GSM General Specification DCS1800 PCS1900 GSM 900 88 0~9 15 F r e q . Ba n d [ M Hz ] 1710~1785 1850~1910 Uplink/ Downlink 92 5~9 60 1805~1880 1930~1990 0~12 4 AR FC N range...

  • Page 3: Gmsk Tx Power Level

    SGH-E770 Specification 1-2. GMSK TX power Level TX Power TX Power TX Power control GSM900 control DCS1800 control PCS1900 level level level 33±2dBm 30±2dBm 30±2dBm 31±3dBm 28±3dBm 28±3dBm 29±3dBm 26±3dBm 26±3dBm 27±3dBm 24±3dBm 24±3dBm 25±3dBm 22±3dBm 22±3dBm 23±3dBm 20±3dBm 20±3dBm 21±3dBm...
  • Page 4 SGH-E770 Specification 1-3. EDGE TX Power Level TX Power TX Power TX Power control DCS1800 control PCS1900 control GSM850 level level level 27±3dBm 26±3dBm 26±3dBm 24±3dBm 24±3dBm 25±3dBm 23±3dBm 22±3dBm 22±3dBm 20±3dBm 20±3dBm 21±3dBm 18±3dBm 18±3dBm 19±3dBm 17±3dBm 16±3dBm 16±3dBm 14±3dBm...

  • Page 5: Flow Chart Of Troubleshooting

    Check UCP301 and C316 Check the clock signal Check the clock generation at pin #3 of TCX101 circuit (TCX101, U104 pin#4) Freq.=13MHz,Vrms 300mV Check the Initial operation SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 6 SGH-E770 Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 7 SGH-E770 Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 8 The voltage is 2.8V Check the UCP301 at the C312,C314,C315 ? LCD Display OK ? Check the LCD part Sound operation OK ? Check the Audio part SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 9 C215 MLCD_DIM VIB_EN OLED_EN SDS_TXD SDS_RXD KEY_COL(0:4) MCI_DAT0_EN KEY_COL(0) KEY_COL(1) MCI_CMD_EN KEY_COL(2) KEY_COL(3) KEY_COL(4) PSW1_BUF MCI_DAT0 MCI_CMD KEY_ROW(0:5) MCI_CLK KEY_ROW(0) KEY_ROW(1) KEY_ROW(2) KEY_ROW(3) KEY_ROW(4) KEY_ROW(5) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 10 SGH-E770 Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 11: Sim Part

    Check the UCP301 at the pin #1 of ZD307? Is there any signal Check the UCP301 & UCP201 pin #2,3,4 of ZD307 ? Check the SIM Card SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 12 SGH-E770 Flow Chart of Troubleshooting ZD307 SIM301 VSIM SIM_RST SIM_CLK SIM_IO C308 C304 C305 C306 C307 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 13: Microphone Part

    Check the DC bias voltage on Mic path. Solder the microphone again The voltage of TA434 is or Replace about 2.2V±10%? TA434,C433,R433,R438,R437 Is microphone OK? Check UCP301 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 14 SGH-E770 Flow Chart of Troubleshooting VCCA_2.9V R433 C433 TA434 R437 R438 R439 MICINP MAIN_MIC+ MICOUTP C440 R440 C441 R441 MICINN MAIN_MIC- MICOUTN C444 R442 C445 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 15: Speaker Part

    UCD403, Pin #4 of UCP201 Pin #2 of U408 UCP301, is High? is Low? UCP201 Pin 8 of U301 Check U301 is High? Check UCP301 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 16 SGH-E770 Flow Chart of Troubleshooting VBAT AMP_R R462 SP_OUT_P AOUTAP C467 C468 U408 AMP_EN 1-2IN 3-4IN AMP_L AOUTAN R461 SP_OUT_N C466 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 17: Camera Part

    Pin#3 of OSC400 is 27MHz? and check UCP201 Is that clock signal at the pin #26 of HDC503? Check Pin#44 of HDC503 is High? UCP401 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 18 GPIO2_D11 R432 SD_D2_SD_0 GPIO2_D12 C469 SD_D3_SD_1 GPIO2_D13 SD_D4_SD_2 GPIO2_D14 SD_D5_SD_3 GPIO2_D15 VDD_TV_3.3V SIN0 STROBE SOUT0 TESTMODE R410 XCTS0 C_PWDN FLASH_RESET XRTS0 M_RESET_N C419 VR402 C403 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 19: Mp3 Display Part

    Pin 4 of U303 Check The voltage of TA410 is High? U303 is 3.3V? Check the U301 Check UCP301 Check the EAR400 Check the UCP201 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 20 R116 = 1.5V ? Pin #17 : 13MHz ? Vpp = 1.2V? Vpp : 1.1V? UCD100 C141, R118 TCX101 Change or resolder resolder Change or resolder Check UCP301 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 21 SYN_REF SX_EN SX_EN CAP_Q- C131 CAP_Q+ RX_Q- CAP_I- C132 RX_Q+ CAP_I+ C133 RX_I- BAND_SEL DCS74945_OUT RX_I+ BANDSEL RX_EN RX_EN 26MHZ_PAD LPF_ADJ R112 R113 GSM74945_OUT R127 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 22 Pin #17 : 13MHz ? R116 = 1.5V ? Vpp : 1.2V? Vpp : 1.1V? UCD100 C141, R118 TCX101 Change or resolder resolder Change or resolder Check UCP301 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 23 DCS74945_OUT V_RF GND30 GND17 R114 GSM_IN GSM74945_OUT DCS_OUT DPCS_OUT GND31 GND16 GND32 GND15 C135 C136 GND33 GND14 11 12 13 14 R115 GSM_OUT C137 C138 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 24 Pin #17 : 13MHz ? R116 = 1.5V ? Vpp : 1.2V? Vpp : 1.1V? UCD100 C141,R118 TCX101 Check UCP301 Change or resolder resolder Change or resolder SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 25 R116 = 1.5V ? Vpp : 1.2V? Vpp : 1.1V? TCX101 C141, R118 UCD100 Pin Change or resolder resolder #4, = 1.7V? Change PAM101 Check UCP301 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 26 R116 = 1.5V ? Vpp : 1.2V? Vpp : 1.1V? OSC101 C141, R118 UCD100 Pin Change or resolder resolder #4, = 1.7V? Change PAM101 Check UCD301 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 27 SGH-E770 Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 28: Exploded View And Parts List

    QCA01 QKP01 QLC01 QCK02 QME02 QSP01 QMO01 QCA02 QMI03 QMP01 QVK02 QME01 QMI01 QCR12 QAN05 QFL01 QAN02 QCR05 QSC01 QRE01 QIF01 QVO01 QRF01 QCR06 QBA01 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 29: Cellular Phone Parts List

    UNIT-VOLUME KEY GH59-02328A QVO01 　 MEC-VOLUME KEY GH75-07741A QFR01 　 MEC-FRONT COVER GH75-07599A 　 QRF03 PMO-EAR JACK COVER GH72-24092A 　 QCH05 PMO-TRANS FLASH COVER GH72-24095A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 30 MPR-BOHO VINYL F/UPPER GH74-18672A MPR-BOHO VINYL REARCOVER GH74-18674A MPR-TAPE MP3 FPCB GH74-19475A MPR-VINYL BOHO F/LOWER 2 GH74-19717A MPR-VINYL BOHO MAIN WIN GH74-20547A MEC-HAND STRAP GH75-03207Q SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 31 3-3. Test Jig (GH80-03307A) 3-3-1. RF Test Cable 3-3-2. Test Cable 3-3-3. Serial Cable (GH39-00283A) (GH39-00127A) 3-3-4. Power Supply Cable 3-3-5. DATA CABLE 3-3-6. TA (GH39-00355A) (GH44-00482A) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 32: Main Electrical Parts List

    IC-AUDIO AMP 1201-002294 PAM101 IC-POWER AMP 1203-003109 U503 IC-BATTERY 1203-003428 U302 IC-DC/DC CONVERTER 1203-003432 U105 IC-POSI.FIXED REG. 1203-003432 U306 IC-POSI.FIXED REG. 1203-003523 U303 IC-POSI.FIXED REG. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 33 VR514 VARISTOR 2007-000138 R-CHIP 2007-000142 R505 R-CHIP 2007-000162 R200 R-CHIP 2007-000171 R114 R-CHIP 2007-000171 R115 R-CHIP 2007-000171 R463 R-CHIP 2007-000758 R123 R-CHIP 2007-000775 R408 R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 34 R-CHIP 2007-007488 R442 R-CHIP 2007-007528 R437 R-CHIP 2007-007528 R438 R-CHIP 2007-007528 R451 R-CHIP 2007-007528 R452 R-CHIP 2007-007529 R450 R-CHIP 2007-007529 R459 R-CHIP 2007-007588 R430 R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 35 R-CHIP 2007-008419 R514 R-CHIP 2007-008419 R515 R-CHIP 2007-008419 R516 R-CHIP 2007-008419 R524 R-CHIP 2007-008420 R310 R-CHIP 2007-008420 R336 R-CHIP 2007-008420 R337 R-CHIP 2007-008420 R432 R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 36 R-CHIP 2007-008588 R417 R-CHIP 2007-008588 R419 R-CHIP 2007-008800 R527 R-CHIP 2007-009084 R423 R-CHIP 2007-009111 R127 R-CHIP 2007-009157 R518 R-CHIP 2007-009157 R523 R-CHIP 2007-009166 R317 R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 37 C401 C-CER,CHIP 2203-005481 C411 C-CER,CHIP 2203-005481 C440 C-CER,CHIP 2203-005481 C444 C-CER,CHIP 2203-005682 C145 C-CER,CHIP 2203-005682 C-CER,CHIP 2203-005682 C306 C-CER,CHIP 2203-005682 C307 C-CER,CHIP 2203-005682 C308 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 38 C-CER,CHIP 2203-006048 C520 C-CER,CHIP 2203-006091 C448 C-CER,CHIP 2203-006091 C451 C-CER,CHIP 2203-006121 C304 C-CER,CHIP 2203-006123 C133 C-CER,CHIP 2203-006190 C449 C-CER,CHIP 2203-006190 C450 C-CER,CHIP 2203-006194 C110 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 39 C460 C-CER,CHIP 2203-006305 C143 C-CER,CHIP 2203-006305 C-CER,CHIP 2203-006305 C430 C-CER,CHIP 2203-006305 C431 C-CER,CHIP 2203-006324 C425 C-CER,CHIP 2203-006361 C100 C-CER,CHIP 2203-006379 C428 C-CER,CHIP 2203-006399 C148 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 40 C-CER,CHIP 2203-006423 C426 C-CER,CHIP 2203-006423 C427 C-CER,CHIP 2203-006423 C429 C-CER,CHIP 2203-006423 C500 C-CER,CHIP 2203-006423 C501 C-CER,CHIP 2203-006423 C512 C-CER,CHIP 2203-006423 C513 C-CER,CHIP 2203-006423 C515 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 41 2203-006562 C463 C-CER,CHIP 2203-006562 C467 C-CER,CHIP 2203-006562 C502 C-CER,CHIP 2203-006562 C505 C-CER,CHIP 2203-006562 C511 C-CER,CHIP 2203-006562 C518 C-CER,CHIP 2203-006562 C519 C-CER,CHIP 2203-006626 C514 C-CER,CHIP 4-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 42 L302 INDUCTOR-SMD 2703-002734 L303 INDUCTOR-SMD 2703-002870 L102 INDUCTOR-SMD 2801-004340 OSC400 CRYSTAL-SMD 2801-004373 OSC200 CRYSTAL-SMD 2809-001295 TCX101 OSCILLATOR-VCTCXO 2901-001256 F301 FILTER-EMI SMD 2901-001324 F500 FILTER-EMI/ESD 4-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 43 3711-005781 BTC506 CONNECTOR-BATTERY 3722-002082 EAR400 JACK-PHONE 4202-001072 ANT101 ANTENNA-CHIP 4302-001201 BAT300 BATTERY-LI(2ND) 4709-001374 MOD101 BLUETOOTH MODULE GH09-00038A UCP201 IC MICOM GH73-05204A QMI03 RMO-MIC HOLDER 4-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 44: Pcb Diagrams

    F100 TH300 TCX101 U501 VR402 U500 CD501 U502 VR200 OSC200 U304 BAT300 SIM301 TP101 MOD101 ANT101 U302 U105 F301 BTC506 ZD511ZD512 VR401 ZD500 VR400 IFC502 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 45 U203 U408 U508 TR502 U507 TA452 VR301 LED316 LED317 CK301 VK302 DOWN VR302 CLEAR VR309 VR308 VR310 TP501 SHARP VR305 ZD501 VR304 VR306 VR307 U301 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 46: Block Diagrams

    C O D E C A K 4 6 4 2 C lk A F C C lo c k M H z M H z SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 47 ⓒ This Service Manual is a property of Samsung Electronics Co.,Ltd. Samsung Electronics Co.,Ltd. Any unauthorized use of Manual can be punished under applicable International and/or domestic law. Code No.: GH68-08082A 2006. 01. Rev.1.0...

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