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Samsung SGH-E780 Service Manual

Gsm telephone
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GSM TELEPHONE
SGH-E780
GSM TELEPHONE
CONTENTS
1. Safety Precautions
2. Specification
3. Product Function
4. Array course control
5. Exploded View and Parts List
6. MAIN Electrical Parts List
7. Block Diagrams
8. PCB Diagrams
9. Flow Chart of Troubleshooting
10. Reference data
11. Disassembly and Assembly
instructions

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Summary of Contents for Samsung SGH-E780

  • Page 1 GSM TELEPHONE SGH-E780 GSM TELEPHONE CONTENTS 1. Safety Precautions 2. Specification 3. Product Function 4. Array course control 5. Exploded View and Parts List 6. MAIN Electrical Parts List 7. Block Diagrams 8. PCB Diagrams 9. Flow Chart of Troubleshooting 10.

  • Page 2: Table Of Contents

    C O N T E N T S 1. Safety Precautions 1-1. Repair Precaution ................1-1 1-2. ESD(Electrostatically Sensitive Devices) Precaution ......1-2 2. Specification 2-1. GSM General Specification ..............2-1 2-2. GSM TX power class ..............2-2 3. Product Function 4. Array course control 4-1.
  • Page 3 C O N T E N T S 9. Flow Chart of Troubleshooting 9-1. Power On..................9-1 9-2. Initial ..................9-4 9-3. Charging Part ................9-6 9-4. SIM Part ...................9-8 9-5. Microphone Part ................9-10 9-6. Speaker Part(MP3/Spk)...............9-12 9-7. Key Data Input................9-13 9-8. Receiver Part................9-14 9-9.

  • Page 4: Repair Precaution

    ● Don't use as you pleases after change other material than replacement registered on SEC System. Otherwise engineer in charge isn't charged with problem that you don't keep this rules. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 5: Esd(Electrostatically Sensitive Devices) Precaution

    ● 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: Gsm General Specification

    2. Specification 2-1. GSM General Specification GSM900 E G S M 9 00 DCS1800 PC S1 90 0 Ph ase 1 Ph ase 2 Ph ase 1 Freq. Ban d [M Hz ] 89 0~ 91 5 88 0~ 91 5 1 71 0~ 1 78 5 18 50 ~1 91 0 Upl in k/Downl in k...

  • Page 7: Gsm Tx Power Class

    Specification 2-2. GSM Tx Power Class TX Power TX Power TX Power GSM900 DCS1800 PCS1900 control level control level control level 33±2 dBm 30±3 dBm 30±3 dBm 31±2 dBm 28±3 dBm 28±3 dBm 29±2 dBm 26±3 dBm 26±3 dBm 27±2 dBm 24±3 dBm 24±3 dBm 25±2 dBm...
  • Page 8 Specification 2-3. GSM EDGE Tx Power Class TX Power TX Power TX Power GSM900 DCS1800 PCS1900 control level control level control level 27±3 dBm 26 -4/+3 dBm 26 -4/+3 dBm 25±3 dBm 24±3 dBm 24±3 dBm 23±3 dBm 22±3 dBm 22±3 dBm 21±3 dBm 20±3 dBm...
  • Page 9 Specification...

  • Page 10: Product Function

    -Image editor -MP3 player -Phonebook -Name card -Multimedia Message Service (MMS) -E-mail -Voice recorder -Bluetooth -Get personal with photo caller ID -Web browser -Java -Calendar SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 11 Product Function SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 12: Array Course Control

    4. Array course control Test JIG BOX(GH80-03306A) USB JIG Cable RF Test Cable (GH39-00283A) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 13: Serial Cable

    Array course control Test Cable (GH39-00499A) Serial Cable Power Supply Cable SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 14 Array course control Data Test Cable (GH39-00444A) TA (GH44-01060A) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 15: Downloading Binary Files

    – E780XXYY.tfs : Application code. 4-2. Pre-requsite for Downloading • Downloader Program(Downloader_Rabia_V1.2_060216_MINI.exe) • E780 Mobile Phone • Data Cable • Binary files • Application files SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 16: S/W Downloader Program

    Array course control 4-3. S/W Downloader Program 1. Load the binary download program by executing the “Downloader_Rabia_V1. 2_060216_MINI.exe” SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 17 • Click the "BIN..." and select E780XXYY.cla file • Click the "TFS..." and select E780XXYY.tfs file 3. Select the Serial Port when the download cable is connected SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 18 PC’s or the phone’s serial hardware is incapable of handling the selected speed 4. Select the "START" and Power on the Phone • Click the "확인" button. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 19 7. After finishing downloading, Certain memory resets should be done to guarantee the normal performance. 8. Confirm the downloaded version name and etc. : *#5002*8376263# Full Reset : *2767*3855# SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 20: Cellular Phone Exploded View

    QBR02 QSP02 QBR01 QMO01 QLC01 QMP01 QSP01 QAN02 QAR01 QCB01 QCA01 QRF03 QFL01 QRE01 QAN06 QSC11 QCR06 QCR06 QCR05 QSC03 QSC02 QRF01 QMW01 QBA01 QBA00 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 21: Cellular Phone Parts List

    MEC-CASE FRONT GH75-09015A 　 QBR03 ASSY-BRACKET-FRONT CONT PIN GH98-00951A 　 QMI03 RMO-COVER MIC GH73-06734A QFU01 　 MEC-CASE UPPER FOLDER GH75-09013A 　 QVO07 MEC-KEY FOLD(MP3) GH75-09018A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 22 MPR-VINYL BOHO UPPER OUT INSID GH74-22864A MPR-VINYL BOHO LOWER OUT INSID GH74-22865A MPR-TAPE SOLDERING GH74-22866A MPR-VINYL BOHO CASE INTENNA GH74-23671A MPR-TAPE DC/DC GH74-23672A MPR-TAPE SPK GH74-23673A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 23 Exploded View and Parts List SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 24: Main Electrical Parts List

    2203-006423 C208 C-CER,CHIP 2203-006423 C209 C-CER,CHIP 2203-006423 C210 C-CER,CHIP 2203-006423 C211 C-CER,CHIP 2203-006423 C212 C-CER,CHIP 2203-006423 C213 C-CER,CHIP 2203-005682 C214 C-CER,CHIP 2203-006423 C217 C-CER,CHIP 2203-005482 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 25 2203-000995 C511 C-CER,CHIP 2203-001437 C513 C-CER,CHIP 2203-003054 C514 C-CER,CHIP 2203-000254 C515 C-TA,CHIP 2404-001381 C516 C-CER,CHIP 2203-003054 C601 C-CER,CHIP 2203-000278 C603 C-CER,CHIP 2203-005482 C604 C-CER,CHIP 2203-000696 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 26 2203-005683 C749 C-CER,CHIP 2203-005683 C750 C-CER,CHIP 2203-005683 C751 C-CER,CHIP 2203-000812 C752 C-CER,CHIP 2203-000812 C753 C-CER,CHIP 2203-000812 C754 C-CER,CHIP 2203-006562 C755 C-CER,CHIP 2203-005482 C756 C-CER,CHIP 2203-000627 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 27 2007-000171 R110 R-CHIP 2007-000171 R115 R-CHIP 2007-000140 R116 R-CHIP 2007-000171 R117 R-CHIP 2007-000171 R118 R-CHIP 2007-000171 R119 R-CHIP 2007-000171 R120 R-CHIP 2007-000172 R200 R-CHIP 2007-000171 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 28 2007-000758 R521 R-CHIP 2007-007142 R522 R-CHIP 2007-007334 R523 R-CHIP 2007-000162 R524 R-CHIP 2007-000171 R525 R-CHIP 2007-000171 R601 R-CHIP 2007-000242 R602 R-CHIP 2007-000148 R603 R-CHIP 2007-000242 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 29 0406-001237 U707 IC-POSI.FIXED REG. 1203-003754 U708 VARISTOR 1405-001082 U709 IC-EL DRIVER 1003-001716 UCP200 IC-COMM. CONTROLLER 1205-002757 UME300 IC-MCP 1108-000030 VR400 VARISTOR 1405-001082 VR500 THERMISTOR-NTC 1404-001221 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 30: Sec Code

    STATUS VR501 VARISTOR 1405-001082 VR700 VARISTOR 1405-001082 VR701 VARISTOR 1405-001082 ZD400 DIODE-TVS 0406-001253 ZD500 DIODE-ZENER 0403-001547 ZD502 DIODE-ZENER 0403-001547 ZD700 DIODE-ZENER 0403-001511 ZD701 DIODE-TVS 0406-001201 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 31 Electrical Parts List SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 32: Block Diagrams

    7. Block Diagrams 7-1. RF Solution Block Diagram UAA3587EHN LMSP54HA-350 FESW1 FESW2 FESW3 Tx(GSM900) Tx(DCS1800/1900) Rx(GSM900) Rx(DCS1800) Rx(DCS1900) FAR-F5EA-897M50-D27CH BGY292E SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 33: Bt Solution Block Diagram

    Block Diagrams 7-2. BT Solution Block Diagram SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 34: Base Band Solution Block Diagram

    (26MHz) VINT IOVDD MV319DNQ RAMP VDD_RX_TX VCC_SYN 1G OneNAND MEMORY MIC_BIAS CPVDD Li-Ion Battery (Slim,Standard) SIMEN KEY_BOARD VCHG RTC_CLOCK Charging Circuit SIM CARD (32.768KHz) VSAVE SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 35 Block Diagrams SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 36: Pcb Top Diagram

    8. PCB Diagrams 8-1. PCB Top Diagram SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 37: Pcb Bottom Diagram

    PCB Diagrams 8-2. PCB Bottom Diagram SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 38: Flow Chart Of Troubleshooting

    Check the VDD_GSM_CORE circuit = 1.875V? Check the clock generation circuit Check for the clock at C116 = 26MHz (related to U102) Check the initial operation SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 39 IOVDD GND 49 +AVDD_HFA _REC2 GND 51 C423 NC 53 2.9V +VDD_IO_HIGH C424 1.8V +VDD_IO_LOW C425 C424(VDD_IO_HIGH) C425(VDD_IO_LOW) R408 2.15V MIC_BIAS C426 RSTON IT_PMU SIMIO SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 40 Flow Chart of Troubleshooting U402 L400 L401 Typical 3.7V +VDD_GSM_CORE VBAT C401 2.9V +VDD_IO_HIGH _SHDN C404 26MHz Clock SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 41: Initial

    Is UCP200 RSTON is HIGH? Check the circuit related to reset Is UCP200 R214, R216 Check the UCP200 Check the 16bit data signal & memory CE SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 42 Flow Chart of Troubleshooting Initial RSTON PCF50603 IT_PMU (U400) SIMIO PCF5213 (UCP200) I2C Communication SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 43: Charging Part

    Resolder or replace U502 Check the circuit related to U502 pin 8 = "L"? AUX_ON signal Check the U502 pin 10 Resolder or replace U502 ≒ 4.2V SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 44 Flow Chart of Troubleshooting Charging SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 45: Sim Part

    Check SIM_CLK Signal on pin3 Check the clock of SIM400 in a few second After SIM card insert, Replace PBA SIM400 pin 2 = "H(SIM_RST)"? Check the SIM Card SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 46 Flow Chart of Troubleshooting SIM400 2-292292-7 SIM_VCC SIM_IO SIM_CLK SIM_RST C418 C419 C422 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 47: Microphone Part

    Check the circuit from UCP200 to MIC Resolder the C603, C606, L600 and L601 U600 is OK? Check the U600 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 48 Flow Chart of Troubleshooting Microphone 9-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 49: Speaker Part(Mp3/Spk)

    Check 1 pin of U601 is 2.6V pins of U601 Check the signal at 2,10 Change U601 (Analog switch) pins of U601 Check the Speaker Peplace Speaker contact pins 9-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 50: Key Data Input

    Check the Dome sheet & Key Pad pushed, is 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? 9-13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 51: Receiver Part

    SPK+,SPK- PAD of the LCD Module Check the soldering at Resoldering of the wire SPK+,SPK- PAD of the LCD Module change Receiver Is it working? 9-14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 52: Lcd Part

    9-9. LCD Part LCD does not work Check the board to board Change the board to board FPC Check LCD Module Is it working? 9-15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 53: Camera Part

    HDC700 (2.9V) Check the 26, 32 pins Check the related circuit of U305 clock of HDC700 Is it working? Change Camera Module 9-16 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 54: Main Key El Sheet Part

    Check the 4 pin of U707 Check the U707 is high Check the 6 pin of U709 Check the U709 and C754 Is it working? 9-17 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 55: Bluetooth Part

    Check the 2 pin of U301 Change the U301 is high Check the contact of Check the contact point R306 Bluetooth Intenna Is it working? Change the Bluetooth Module 9-18 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 56 Flow Chart of Troubleshooting 9-19 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 57: Egsm Receiver

    Check U102 Check & Resolder U102 pin7,8,9,10 pin23,26,28,31 U102, R103,R105,R106 >= 1V >=2.7V RF26MHz, RF PSU Part Resolder U102 C144, C145 >= 1V Check UCP200 9-20 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 58: Egsm Transmitter

    Check +VBAT or U103 control signal Check U102 U102 pin7,8,9,10 Check & Resolder pin23,26,28,31 >= 1V U102, R103,R105,R106 >=2.7V RF26MHz, RF PSU Part Resolder U102 Check UCP200 9-21 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 59: Dcs Receiver

    >= -70dBm Check U102 Check & Resolder U102 pin7,8,9,10 pin23,26,28,31 U102,R103,R105,R106 >= 1V >=2.7V RF26MHz, RF PSU Part Resolder U102 C144,C145 >= 1V Check UCP200 9-22 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 60: Pcs Receiver

    Check U102 Check & Resolder U102 pin7,8,9,10 pin23,26,28,31 U102, R103.R105,R106 >= 1V >=2.7V RF26MHz, RF PSU Part Resolder U102 C144,C145 >= 1V Check UCP200 9-23 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 61: Dcs/Pcs Transmitter

    Check +VBAT or U103 control signal Check U102 U102 pin7,8,9,10 Check & Resolder pin23,26,28,31 >= 1V U102, R103,R105,R106 >=2.7V RF26MHz, RF PSU Part Resolder U102 Check UCP200 9-24 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 62 Flow Chart of Troubleshooting 9-25 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 63 Flow Chart of Troubleshooting 9-26 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 64: Reference Abbreviate

    PS : Pilot Symbol 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 65 Reference data 10-2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 66: Disassembly And Assembly Instructions 11-1. Disassembly

    FOLDER. 1) Remove the SCREW SHEET. 2) Remove 2 screws. 1) In disassembling FOLDER, notice that FPCB isn't torn and folded. 11-1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 67 2) In order for the speaker FPCB not to become the cut, it pays attention. 11-2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 68 2) The LCD broke and the LDI shade TAPE should have come to come off, it confirms. 1) Warning : LCD CRACK 11-3 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 69: Assembly

    1) Push it after sticking the tape. 1) Turn the folder upper screw to the right, 1) Assemble the FOLDER UPPER and put the SHEET on it. as the picture. 11-4 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 70 After combination, Confirm the 1) Stick the CABLE SHEET. condition of the cover place. 1) Confirm the CABLE is pushed or the appliance are pressing it. 11-5 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 71 1) After removing the shell of the 2) Top SCREW 4POINT it CAMERA and KEY/VOLUME KEY, with tightens. the picture it arrives safely together. 11-6 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 72 ⓒ 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 GH68-11384A International and/or domestic law. 2006. 05. Rev.1.0...

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