Samsung SGH-J400 Service Manual
Samsung SGH-J400 Service Manual

Samsung SGH-J400 Service Manual

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Summary of Contents for Samsung SGH-J400

  • Page 1: Table Of Contents

    GSM TELEPHONE SGH-J400 GSM TELEPHONE CONTENTS Safety Precautions Specification Product Function Array course control Exploded View and Parts List Main Electrical Parts List Block Diagrams PCB Diagrams Flow Chart of Troubleshooting 10. Reference data 11. Disassembly and Assembly Instructions...
  • 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. 11. Rev.1.0...
  • Page 3: Safety Precautions

    ― 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 4 ― 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 5: Specification

    (max + 2 4dBm) Sen sitivity -102 dBm -102 dBm - 100dBm - 100dBm -106 .7 dBm TDMA Mu x Cell Radius 3 5Km 3 5Km 2 Km SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 6: Gsm Tx Power Class

    8±4dBm 8±4dBm 11±3 dBm 9±3dBm 6±4 dBm 6±4 dBm 7±3 dBm 4±4 dBm 4±4 dBm 5±3 dBm 2±5 dBm 2±5 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 7: Product Function

    ― Support 64 note polyphonic ringtones, MP3 ringtones, and AAC ringtones ― Tripple band(900/1800/1900MHz), WCDMA2100 ― VGA Camera ― GPRS Class 10 ― EGPRS Class E2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 8 Product Function SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 9: Array Course Control

    4. TA (Travel Adaptor - S20pin ) [ GH44-01702A ] 5. Data Link Cable : USB cable (S20) [ GH39-00922A ] 6. Serial cable: PC to JIG SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 10 1. Load the binary download program by executing the BCM2133 Downloader “ v1.65(D).exe and initially check Include "Calset Data" and "All Images Download to " NOR + NAND" SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 11 Array course control 2. Press the button "D/L Bootloader" and then check '"OK" for downloading Bootloader. 3. Select the binary file what you want to download SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 12 Array course control 3. Select the binary file what you want to download 4. Now press the button 'START' and SGH-J400 connets with cable SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 13 Array course control 5. When checking is completed, Press Nand Erase. 6. Now press the button '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 And Parts List

    QMI01 QCA01 QCR04 QLC01 QSP01 QSH01 QMO01 QCR04 QCB01 QMP01 QAN02 QCR12 QFL01 QHI01 QSD01 QCR12 QSC01 QRE01 QMW01 QIF01 QCR04 QCR04 QRF01 QBA01 QBA00 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 16: Cellular Phone Parts List

    KEY FPCB-MAIN KEY PBA GH59-04931A QMI01 AS-MIC (KEY PBA) GH81-06102A QMI03 AS-SPHW2900_MAIN MIC RUBBER HO GH81-06629A QFL01 ASSY CASE-FOLDER LOWER GH98-05886A QHI01 ASSY HINGE-FOLDER GH98-03681A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 17 TAPE INSU GH74-34655A TAPE-REMOVE GH74-35112A CBF SIGNAL-SPHA560 RF CABLE GH39-00397A 0.4M CBF INTERFACE-SGHJ750 TEST CAB GH39-00968A 1.5M CBF INTERFACE-SGHJ750 TEST CAB GH39-00971A INSTALL-TEST JIG BOX GH80-03308A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 18 Exploded View and Parts List SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 19: Main Electrical Parts List

    THERMISTOR-NTC 1405-001108 V800 VARISTOR 1405-001108 V801 VARISTOR 2007-000070 R103 R-CHIP 2007-000070 R300 R-CHIP 2007-000145 R301 R-CHIP 2007-000148 R109 R-CHIP 2007-000148 R410 R-CHIP 2007-000148 R412 R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 20 R-CHIP 2007-003006 R808 R-CHIP 2007-003019 R710 R-CHIP 2007-007008 R101 R-CHIP 2007-007008 R102 R-CHIP 2007-007008 R105 R-CHIP 2007-007008 R106 R-CHIP 2007-007100 R603 R-CHIP 2007-007137 R700 R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 21 R-CHIP 2007-008581 R439 R-CHIP 2007-008581 R440 R-CHIP 2007-008581 R441 R-CHIP 2007-009084 R404 R-CHIP 2007-009084 R405 R-CHIP 2007-009084 R507 R-CHIP 2007-009084 R803 R-CHIP 2007-009108 R812 R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 22 C-CER,CHIP 2203-001072 C806 C-CER,CHIP 2203-001153 C111 C-CER,CHIP 2203-001383 C303 C-CER,CHIP 2203-001405 C808 C-CER,CHIP 2203-002443 C318 C-CER,CHIP 2203-002677 C109 C-CER,CHIP 2203-003054 C724 C-CER,CHIP 2203-003054 C728 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 23 C-CER,CHIP 2203-006048 C727 C-CER,CHIP 2203-006048 C803 C-CER,CHIP 2203-006048 C825 C-CER,CHIP 2203-006121 C301 C-CER,CHIP 2203-006121 C302 C-CER,CHIP 2203-006194 C217 C-CER,CHIP 2203-006194 C225 C-CER,CHIP 2203-006194 C400 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 24 C-CER,CHIP 2203-006423 C209 C-CER,CHIP 2203-006423 C211 C-CER,CHIP 2203-006423 C215 C-CER,CHIP 2203-006423 C402 C-CER,CHIP 2203-006423 C404 C-CER,CHIP 2203-006423 C407 C-CER,CHIP 2203-006423 C409 C-CER,CHIP 2203-006423 C411 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 25 C-CER,CHIP 2203-006838 C412 C-CER,CHIP 2203-006838 C610 C-CER,CHIP 2203-006838 C621 C-CER,CHIP 2203-006838 C623 C-CER,CHIP 2203-006838 C707 C-CER,CHIP 2203-006979 C210 C-CER,CHIP 2404-001381 TA800 C-TA,CHIP 2404-001430 TA801 C-TA,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 26 BEAD-SMD 3301-001438 L801 BEAD-SMD 3301-001438 L802 BEAD-SMD 3301-001438 L805 BEAD-SMD 3301-001438 L806 BEAD-SMD 3301-001534 L803 BEAD-SMD 3301-001534 L804 BEAD-SMD 3301-001659 L311 BEAD-SMD 3301-001756 L200 BEAD-SMD SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 27 3711-006278 HEA800 HEADER-BOARD TO BOARD 4302-001181 BAT600 BATTERY-LI(2ND) Please consult the GSPN website (Samsung Portal) for the most recent version of the product's part list. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 28 Main Electrical Parts List 6-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 29: Block Diagrams

    7. Block Diagrams 7-1. Base Band Solution Block Diagram Main LCD Camera Module 176x220 QCIF(2.0”) QCIF 262K color, TFT 1/24” Sensor Sub LCD Camera Module 1.3M Speaker 96x96 B/W(1.00”) LSI 1/5” Sensor CSTN DTC LCD 13*18. 3.5t Folder Motor (10 ø,3.0T) MAIN BCM2133 AUDIO AMP...
  • Page 30 Block Diagrams 7-2. RF Solution Block Diagram...
  • Page 31: Pcb Diagrams

    8. PCB Diagrams - Main top view SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 32 PCB Diagrams - Main bottom view SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 33: Flow Chart Of Troubleshooting

    Check the OSC600 OSC600 is 32.768Khz? Check the PMIC(U603) related Level Each Level Shifter and PMIC outputs are OK? Shifer output Check the initial operation SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 34 Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 35: Sim Part

    After Power ON, Check C634(SIM_CLK Signal) Check the Clock in a few second After SIM card insert, Replace PBA SIM_RST (C635) = "H"? Check the SIM Card SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 36 Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 37: Speaker Part

    9-3. Speaker Part Speaker does not work C705(VDD_B_2.9V) = Check the U603 2.9V Check the U700 work Check the U700 correctly Is Speaker working? Change the Speaker 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: Microphone Part

    Microphone does not work Check the connection Resolder MIC from MIC Check the circuit Resolder the related component from UCP400 to MIC Check the MIC Replace the MIC SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 40 Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 41: Key Data Input

    Check the Dome sheet & Key Pad pushed, is it displayed on LCD? When one of the keys is Replace the PBA pushed, KEY_IO signal is OK? SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 42: Lcd Back Light

    Flow Chart of Troubleshooting 9-6. LCD Back Light Backlight does not work R817(LCD_LED_ON) of Check the UCP400 HEA800 is high? Replace the LCD Module 9-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 43 Flow Chart of Troubleshooting 9-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 44: Camera Part

    Connect the LCD connector Check the LCD connector Check the camera Connect the camera module connector HEA800 PIN10(R812) Check UCP400 (CAM_VDD_EN) = 'H'? Replace the camera module 9-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 45 Flow Chart of Troubleshooting 9-13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 46: Charging Part

    Flow Chart of Troubleshooting 9-8. Charging Part "Charging" function does not work Check the TA connection Check the U603 PIN 28 = '5V' ? check the U603 9-14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 47: Gsm Receiver

    RF input : CH center freq : +67.7kHz Amp : -50dBm C112 Resolder RFS101(RF CN) >= -53dBm C116 = 2.5V Resolder U603(PMIC) C121,C117,C122 =0V C214,C216 Resolder U103(ASM) >= -60dBm Resolder U200(TRANCEIVER) 9-15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 48: Gsm Transmitter

    Resolder or Change R108 ≥ 30dBm PAM100 pin7 Check PAM100 Resolder or Change PAM100 ≥ -4dBm pin2,3,4,5,8 is ok? Check VBAT or PAM control signal Check U200 9-16 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 49: Dcs Receiver

    Amp : -50dBm C112 Resolder RFS101(RF CN) >= -53dBm C116 =2.5V Resolder U603(PMIC) C117, C122= 1.5V C121=0V C224,C226 Resolder U103(ASM) >= -60dBm Resolder U200(TRANCEIVER) 9-17 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 50: Dcs Transmitter

    Resolder or Change R107 ≥ 25dBm PAM100 pin1 Check PAM100 Resolder or Change PAM100 ≥ -4dBm pin2,3,4,5,8 is ok? Check VBAT or PAM control signal Check U200 9-18 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 51: Pcs Receiver

    Amp : -50dBm C112 Resolder RFS101(RF CN) >= -53dBm C116 =2.5V C117 = 1.5V Resolder U603(PMIC) C121, C122= 0V C220,C222 Resolder U103(ASM) >= -60dBm Resolder U200(TRANCEIVER) 9-19 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 52: Pcs Transmitter

    Resolder or Change R107 ≥ 25dBm PAM100 pin1 Check PAM100 Resolder or Change PAM100 ≥ -4dBm pin2,3,4,5,8 is ok? Check VBAT or PAM control signal Check U200 9-20 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 53: Wcdma Receiver

    Resolder U103(ASM) >= -60dBm L300 Resolder DUF300(Duplexer) >= -60dBm C307 Check U603(PMIC) >=2.75V C310 Resolder U300(LNA) >= -50dBm C230,C231 Resolder F200(SAW) >= -53dBm Resolder U200(TRANCEIVER) 9-21 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 54: Wcdma Transmitter

    Resolder or Change PAM300 ≥ -5dBm pin2,3,4,5,8 is ok? Check VBAT or PAM control signal F300 pin8 Resolder or Change L304, L310 ≥ -5dBm Check U200 9-22 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 55 Flow Chart of Troubleshooting 9-23 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 56 Flow Chart of Troubleshooting 9-24 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 57 Flow Chart of Troubleshooting 9-25 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 58 Flow Chart of Troubleshooting 9-26 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 59: 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 60 Reference data 10-2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 61: Disassembly And Assembly Instructions

    1) Be care of damage to the FPCBs. 1) Be care of scratch and molding damage. 2) Be care of scratch and molding damage. 11-1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 62 1) Be care of scratch and molding damage. 2) Be care of damage to motor/speaker wires. 2) Be care of damage to LCD FPCB.. 11-2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 63: Assembly Instructions

    Attach GASKET & RUBBER to LCD module. ※ Caution ※ Caution 1) Be care of scratch and molding damage. 1) Be care of scratch and molding damage. 11-3 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 64 Attach the MAIN WINDOW. ※ Caution ※ Caution 1) Be care of scratch and molding damage. 1) Be care of damage to the camera F-PCB. 11-4 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 65 2) Push the hinge. 3) Screw 2 points. ※ Caution ※ Caution 1) Be care of scratch. 1) Be care of scratch and molding damage. 11-5 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 66 1) Screw down 4 points in the red circles. assembly. ※ Caution ※ Caution 1) Be care of scratch and molding damage. 1) Be care of scratch and molding damage. 11-6 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

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