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Samsung SGH-E740S Service Manual

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GSM TELEPHONE
GSM TELEPHONE
SGH-E740S
CONTENTS
1.
2.
3.
Product Function
4.
5.
6.
7.
8.
9.

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Summary of Contents for Samsung SGH-E740S

  • Page 1: Table Of Contents

    GSM TELEPHONE SGH-E740S GSM TELEPHONE CONTENTS Safety Precautions Specification Product Function Array course control Exploded View/Disassembly and Assembly Instructions MAIN Electrical Parts List Block Diagrams PCB Diagrams Flow Chart of Troubleshooting 10. Reference data...
  • Page 2 China china.samsungportal.com Asia asia.samsungportal.com Mideast & Africa mea.samsungportal.com ⓒ 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. 2007. 07 Rev.1.0...

  • Page 3: Safety Precautions

    ― Colours of SGH-E740(Total of 8): Metal silver, Black dynamic, Light pink, Blue, Hot pink, Blue green, Yellow green, Emerald green. ― Among above eight, only Metal silver needs Sky-blue LED, while the rest stay with White LED SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 4 Safety Precautions SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 5 ― You must maintain electric contact between ESD and place due to be set up until ESD is connected completely to the proper place or a circuit board. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 6 Safety Precautions SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 7: Specification

    Po wer Class (max +33dBm) (max +33dBm) (max +30dBm) (max +30dBm) Sen sitivity - 102dBm - 102dBm - 100dBm -1 00dBm TDMA Mux Cell Radius 35Km 35Km SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 8: Gsm Tx Power Class

    8±4dBm 8±4dBm 11±3 dBm 6±4 dBm 6±4 dBm 9±3dBm 4±4 dBm 4±4 dBm 7±3 dBm 2±5 dBm 2±5 dBm 5±3 dBm 0±5 dBm 0±5 dBm SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 9: Operation Instruction And Installation

    ― Support 64 note polyphonic ringtones, MP3 ringtones, and AAC ringtones(Madwave) ― Tri-Band(900/1800/1900) EDGE Support ― WAP 2.0 / Java MIDP 2.0 ― Extended Memory (microSD slot) ― Black GUI / UI SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 10 Operation Instruction and Installation SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 11: Array Course Control

    4. Array course control 4-1. Software Adjustments Test Cable (GH39-00499A) Test Jig (GH80-03306A) Power Supply Cable Serial Cable(CSA LL64151-A) Data Cable SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 12 - if the binary file wanted, check only 'BIN' - if the tfs file wanted, check only 'TFS' - if all the files wanted, check 'BIN+TFS' SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 13 Array course control 3. Select the file(s) what you want to download SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 14 Array course control SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 15: Exploded View/Disassembly And Assembly Instructions

    QSP01 QME02 QAN02 QMO01 QLC01 QCR72 QCK01 QIF01 QCR58 QME16 QRE01 QFL01 QVO01 QSD01 QCR72 QCR72 QCR72 QSC01 QCR67 QSC02 QRE04 QHI02 QBA01 QRF12 QBA00 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 16: Cellular Phone Parts List

    QSC02 RMO RUBBER-SCREW CAP R GH73-09823A QSD01 PMO-COVER MICRO SD V2 GH72-37902A QSH01 ASSY BRACKET-SHIELD CAN GH98-04897A QSP01 SPEAKER 3001-002120 QVO01 PMO-VOLUME KEY V3 GH72-39444A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 17 IC-MEMORY CARD 1109-001352 BAG ZIPPER 6902-000683 S/W CD-SGHE740 PC LINK CD GH46-00452A MANUAL USERS-SEA ENGLISH GH68-15060A CONNECTOR-ADAPTOR 3719-001319 VINYL-BOHO MAIN WINDOW 2 GH74-33552A EARPHONE-AAEP452SSE,M20,SIL,EU GH59-04781A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 18: Disassembly And Assembly Instructions

    Unscrew a screw. 1) Take care of not scratching on the rear and the front. 1) Use a cruciform screwdriver. 2) Use a disassembly tool. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 19 1) Take care of not scratching on the front. 2) Use a cruciform screwdriver. 2) Use a cruciform screwdriver. 3) When you remove screw caps, use tweezers. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 20 1) Pay special attention to surrounding components when using a soldering iron. 2) Be aware of dust inside the main window of slide Use a cruciform screwdriver. upper. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 21 3) Press down 5 hooks of slide lower.(3) ① ③ 1)Tighten screws. ② 1) Pay special attention to not cracking on FPCB. 1) Use a cruciform screwdriver. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 22 FPCBs. 1) Make sure that slide FPCB and connector are assembled well. 2) Make sure that mic is put into guide hole in good position. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 23 2) Press hooks from the right side of phone to the left side of that.(2) ① ② ③ 1) Be careful of not scratching on a rear cover and a rear. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 24 Exploded View/Disassembly&Assembly Instructions 5-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 25: Main Electrical Parts List

    2203-006423 C208 C-CER,CHIP 2203-006423 C209 C-CER,CHIP 2203-006194 C210 C-CER,CHIP 2203-006423 C211 C-CER,CHIP 2203-005682 C212 C-CER,CHIP 2203-006423 C213 C-CER,CHIP 2203-006423 C217 C-CER,CHIP 2203-006423 C218 C-CER,CHIP 2203-005725 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 26 2203-006324 C427 C-CER,CHIP 2203-005482 C428 C-CER,CHIP 2203-006562 C431 C-CER,CHIP 2203-006562 C433 C-CER,CHIP 2203-006474 C434 C-CER,CHIP 2203-006562 C435 C-CER,CHIP 2203-006562 C436 C-CER,CHIP 2203-006562 C437 C-CER,CHIP 2203-006562 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 27 2203-006260 C617 C-CER,CHIP 2203-006260 C618 C-CER,CHIP 2203-006257 C619 C-CER,CHIP 2203-006257 C620 C-CER,CHIP 2203-006260 C622 C-CER,CHIP 2203-006562 C624 C-CER,CHIP 2203-005482 C625 C-CER,CHIP 2203-003054 C626 C-CER,CHIP 2203-000386 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 28 MOD100 DUPLEXER-FEM 2911-000054 OSC300 CRYSTAL-SMD 2801-004466 OSC301 CRYSTAL-SMD 2801-004543 OSC400 CRYSTAL-SMD 2801-004466 PAM100 IC-POWER AMP 1201-002423 R101 R-CHIP 2007-000140 R102 R-CHIP 2007-000172 R103 R-CHIP 2007-000140 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 29 2007-008050 R328 R-CHIP 2007-008483 R329 R-CHIP 2007-008052 R330 R-CHIP 2007-000171 R331 R-CHIP 2007-008483 R332 R-CHIP 2007-008483 R333 R-CHIP 2007-008516 R335 R-CHIP 2007-008483 R336 R-CHIP 2007-008542 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 30 R609 R-CHIP 2007-007318 R610 R-CHIP 2007-008531 R611 R-CHIP 2007-008531 RFS100 CONNECTOR-COAXIAL 3705-001358 T/SIM500 CONNECTOR-CARD EDGE 3709-001453 TA101 C-TA,CHIP 2404-001474 TA201 C-TA,CHIP 2404-001339 TA402 C-TA,CHIP 2404-001381 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 31 1405-001177 VR200 THERMISTOR-NTC 1404-001221 ZD400 DIODE-ZENER 0403-001547 ZD502 DIODE-TVS 0406-001254 ZD503 DIODE-TVS 0406-001267 ZD504 DIODE-TVS 0406-001267 ZD505 DIODE-TVS 0406-001267 ZD600 DIODE-TVS 0406-001190 ZD601 DIODE-TVS 0406-001190 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 32 Main Electrical Parts List SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 33: Block Diagrams

    ESD filter USBDP/M USB_MODEM 1.8V FSUSB30L10X 3.8V VBAT USB2.0/1.1 USB2.0/1.1 3.0V PACUSBU3 JACK 1.2V VBUS(USB_DETECT) 32.768KHz (BAT) TEMP_PRODUCT THERMISTER HA[1:24] RSTEXTn MODE Control HD[0:15] Memory KAP29SN00A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 34 RX_TX_QN RF_EN 0/90 Low_IF RF_DATA RF_CLK MODEM RF3159 PNX5230EL1 LB_RFOUT 0/90 LB_RFIN HB_RFIN Integrated Power Control VCO+Frequency XOUT HB_RFOUT TCXO D_REF_CLK CTRL Synthesizer XTAL1 XTAL2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 35: Pcb Diagrams

    8. PCB Diagrams...
  • Page 36 PCB Diagrams Bottom...

  • Page 37: Flow Chart Of Troubleshooting

    C403(+VDD_IO_LOW) & Change the PMIC(U403) C405(+VDD_IO_HIGH) = "H" Check the Clock at Resolder OSC400 R405=32KHz C433(+VDD_GSM_CORE) Check the +VDD_GSM_CORE circuit = 1.2V Check the initial operation SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 38 Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 39 Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 40 3.5V Check U403 pin 14 Check the circuit related to reset (32KHz_DIGIT) Is R224, R225 Check the U403 Check the 16bit data signal SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 41 Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 42: Charging Part

    > 4.9V Check the circuit related to U403 pin 34 AUX_ON signal = "L" Check the U403 pin 46 Resolder or replace U403 ≒ 1.4V SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 43 Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 44: Sim Part

    Check the Clock pin15 of T/SIM500 in a few second After SIM card insert, T/SIM500 pin 13(SIMRST) Replace PBA = "H" Check the SIM Card SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 45 Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 46: Microphone Part

    Resolder the TA602, R605, R608, R609 from UCP200 to MIC Check F500, PIN 5 Check the JACK_IN signal = "H" Check the MIC Replace the MIC 9-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 47 Flow Chart of Troubleshooting 9-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 48 Flow Chart of Troubleshooting 9-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 49 Resolder HCD500 (When U601 operate) L104 pin 1, 2 ≒ 1.8V Resolder or change L104 Resolder of change the Speaker Is the Speaker working? 9-13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 50 Flow Chart of Troubleshooting 9-14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 51: Key Data Input

    Check the Dome sheet & Key Pad Isn't it displayed on LCD? When one of the keys is pushed, Replace the PBA KEY_ROW(0,4), KEY_COL(0,4) signal is OK? 9-15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 52: Receiver Part

    Pin 2, 3 = 1.8V Check the soldering of the Modify the speaker wire soldering speaker wire Is Receiver working ? Replace the Speaker 9-16 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 53 Y(0) Y(1) Y(2) Y(3) Y(4) Y(5) Y(6) Y(7) WHEEL_SW1 VBAT +VDD_WHEEL VBAT KEY_COL(2) +VDD_IO_HIGH KEY_COL(3) KEY_ROW(2) KEY_COL(4) KEY_ROW(3) VGH_DETECT KEY_ROW(4) WHEEL_SW2 SPK_P SPK_N C530 9-17 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 54 Resolder HCD500 or change PBA pin 58 = H Check the SLC100 Resolder SLC100 or change SUB PBA pin 58 = H Change the LCD Module 9-18 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 55 Y(0) Y(1) Y(2) Y(3) Y(4) Y(5) Y(6) Y(7) WHEEL_SW1 VBAT +VDD_WHEEL VBAT KEY_COL(2) +VDD_IO_HIGH KEY_COL(3) KEY_ROW(2) KEY_COL(4) KEY_ROW(3) VGH_DETECT KEY_ROW(4) WHEEL_SW2 SPK_P SPK_N C530 9-19 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 56: Key Back Light

    Check the U103 pin 2 Resolder or change the U103 on Sub PBA Check the U103 pin 5, 8(C112, C117) Resolder or change the U103 on Sub PBA 9-20 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 57 Flow Chart of Troubleshooting 9-21 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 58: Camera Part

    HCD500 Pin 27 = H Resolder HCD500 or change PBA R336 or SLC101 pin 8 Check U302 related to 32MHz = 32MHz Replace the camera module 9-22 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 59 Y(0) Y(1) Y(2) Y(3) Y(4) Y(5) Y(6) Y(7) WHEEL_SW1 VBAT +VDD_WHEEL VBAT KEY_COL(2) +VDD_IO_HIGH KEY_COL(3) KEY_ROW(2) KEY_COL(4) KEY_ROW(3) VGH_DETECT KEY_ROW(4) WHEEL_SW2 SPK_P SPK_N C530 9-23 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 60 Flow Chart of Troubleshooting 9-24 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 61 Flow Chart of Troubleshooting 9-12. BLUETOOTH BLUETOOTH does not work RTS2, TXD2 Resolder U102 or Replace UCP200 (TP106, TP107) = H Replace ANT102 Check ANT102 9-25 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 62 Flow Chart of Troubleshooting 9-26 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 63: Gsm Receiver

    U101 pin1, 2, 3, 4 Resolder U101 5, 15, 17, 20, 31, 38 >= 1V >=2.7V Check or resolder TCX100(26MHz), RF PSU Part Check UCP200 9-27 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 64 Flow Chart of Troubleshooting 9-28 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 65: Gsm Transmitter

    U101 pin1, 2, 3, 4 5, 15, 17, 20, 31, 38 Resolder U101 >= 1V >=2.7V Check & Resolder U101, TCX100 (26MHz), RF PSU Part Check UCP200 9-29 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 66 Flow Chart of Troubleshooting 9-30 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 67: Dcs Receiver

    U101 pin1, 2, 3, 4 5, 15, 17, 20, 31, 38 Resolder U101 >= 1V >=2.7V Check &Resolder TCX100(26MHz), RF PSU Part Check UCP200 9-31 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 68 Flow Chart of Troubleshooting 9-32 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 69: Dcs Transmitter

    Check & Resolder U101 pin1, 2, 3, 4 5, 15, 17, 20, 31, 38 TCX100(26MHz), >= 1V >=2.7V RF PSU Part Resolder U101 Check UCP200 9-33 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 70 Flow Chart of Troubleshooting 9-34 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 71: Pcs Receiver

    U101 pin1, 2, 3, 4 Resolder U101 5, 15, 17, 20, 31, 38 >= 1V >=2.7V Check & Resolder TCX100(26MHz), RF PSU Part Check UCP200 9-35 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 72 Flow Chart of Troubleshooting 9-36 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 73: Pcs Transmitter

    U101 pin1, 2, 3, 4 5, 15, 17, 20, 31, 38 Resolder U101 >= 1V >=2.7V Check & Resolder TCX100(26MHz), RF PSU Part Check UCP200 9-37 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 74 Flow Chart of Troubleshooting 9-38 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 75: Reference Data

    ― QPSK: Quadrature Phase Shift Keying ― RS : Reed-Solomon ― SI : Service Information ― TDM : Time Division Multiplexing ― TS : Transport Stream 10-1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 76 Reference data 10-2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

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