Samsung i640 Service Manual

Samsung i640 Manual

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  • Samsung i640 | Service Manual - Page 1
    UMTS TELEPHONE SGH-i640V UMTS 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
  • Samsung i640 | Service Manual - Page 2
    .samsungportal.com cis.samsungportal.com europe.samsungportal.com china.samsungportal.com asia.samsungportal.com mea.samsungportal.com This Service Manual is a property of Samsung Electronics Co.,Ltd. Any unauthorized use of Manual can be punished under applicable International and/or domestic law
  • Samsung i640 | Service Manual - Page 3
    tuning or test, because the specification of cellular phone is sensitive for surrounding interference( while using AC power plug, because a repair of battery charger is dangerous when tuning ON/OFF PBA and Connector charged with problem that you don't keep this rules. 1-1 SAMSUNG Proprietary-Contents
  • Samsung i640 | Service Manual - Page 4
    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. 1-2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung i640 | Service Manual - Page 5
    2. Specification 2-1. GSM General Specification EGSM 900 DCS 1800 PCS 1900 W-CDMA max +24dBm) Sensitivity -102dBm -100dBm -100dBm -106.7dBm TDMA Mux 8 8 8 Cell Radius 35Km 2Km 2Km 2Km 2-1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung i640 | Service Manual - Page 6
    Specification 2-2. GSM TX power class TX Power control level GSM900 TX Power control level DCS1800 5 18 7±3 dBm 13 4±4 dBm 13 4±4 dBm 19 5±3 dBm 14 2±5 dBm 14 2±5 dBm 15 0±5 dBm 15 2-2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung i640 | Service Manual - Page 7
    Notes － Messaging - SMS, MMS, Email, VoiceRecorder within MMS, Postcard － Internet -Internet Explorer, Windows Live! Portal, Windows Update, Email Setup Wizard, Podcast,RSS Reader, Google Map, Mobile Bluetooth － T9 － Java Zoomer 3-1 SAMSUNG Proprietary-Contents may change without notice This
  • Samsung i640 | Service Manual - Page 8
    Product Function 3-2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 9
    4-2. Software Download 4-2-1. Pre-requisite for Download • Downloader Program (there are 2 ways to download.) - [Image version].exe (Single downloader) - SGH_i640V_version.exe (Multi downloader) • SGH_i640V Mobile Device y USB Driver - PDA : Samsung MITs USB Sync [Samsung MITs USB Sync.zip] - Phone
  • Samsung i640 | Service Manual - Page 10
    device and wait until 'START' button is activated. )If 'START' button is not activated, terminate the application and reconnect USB data link cable and retry. 4-2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung i640 | Service Manual - Page 11
    5. Please click "START" button. Array course control 6. When the download is finished, the phone is rebooted automatically. ) Download Procedure [ Downloading EBOOT ] 4-3 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 12
    Array course control [ Downloading PDA ] [ Downloading Phone ] 4-4 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 13
    course control [ Job Done ] ) The Display of your Device USB DownLoad Mode Host detected Downloading EBOOT... EBOOT downloaded. Downloading PDA... PDA downloaded. Downloading PHONE... PHONE downloaded. 4-5 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung i640 | Service Manual - Page 14
    Array course control ) Trouble Shooting 1. "PDA Device not found" message ) Make sure that your device is connected a host computer by USB DATA Link cable. 2. "Port Open Failed" message or application hang 4-6 SAMSUNG Proprietary-Contents may change without notice This Document can not be used
  • Samsung i640 | Service Manual - Page 15
    remove, and then remove Samsung CDMA Modem driver or Samsung USB driver(MCCI) 4. Restart your PC. 5. Install attached SAMSUNG CDMA Modem_4.34 6. Try the download again. 3. "Write Failed" message ) If battery level is low, use charged battery and try again. 4-7 SAMSUNG Proprietary-Contents may change
  • Samsung i640 | Service Manual - Page 16
    is working in your Computer, Make sure that check box, Allow USB connection at the Connection Settings, is released. (Select [File - Connection Settings]) ▶ Press 'OK' button to save a configuration 4-8 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung i640 | Service Manual - Page 17
    Array course control 2. Execute the Downloader Program. [UMDL_i640V_version.exe] 4-9 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 18
    Update' checkbox. So does 'EFS Clear'. %% If you check Phone Initialization[EFS Clear] , all data will be erased in NV region. So If you just want to download the image, you must not check EFS Clear box without direction. 4-10 SAMSUNG Proprietary-Contents may change without notice This Document can
  • Samsung i640 | Service Manual - Page 19
    4. Click the EBOOT+PDA+PHONE and then choose the .img file. 5. Turn off your devices. 6. Click "Detect" button 7. Connect your devices to a host computer by using USB Cable. 4-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 20
    not activated, terminate the application and reconnect USB data link cable and retry. 9. Please click "Start downloading" button. 10. When the download is finished, the phone is rebooted automatically. 4-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung i640 | Service Manual - Page 21
    ) Download Procedure Array course control 4-13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 22
    Array course control 4-14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 23
    Array course control 4-15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 24
    Trouble Shooting 1. "PDA Device not found" message ) Make sure that check box, Allow USB connection at the Connection Settings, is released. (ActiveSync) 2. "Port Open Failed" message or application hang ) After you install "phone USB driver (Samsung USB cable to the mobile device is not connected
  • Samsung i640 | Service Manual - Page 25
    5. Exploded View and Parts List 5-1. Cellular phone Exploded View QMW02 QFU01 QSC41 QME03 QCA02 QMO01 QAR01 QCA01 QLC01 QCR61 QPC01 QCR05 QFL01 QSC05 QHI01 QCR61 QVK02 QCR04 QCK02 QCK01 QSD01 QIF01 QVO01 5-4 SAMSUNG Proprietary-Contents may change without notice This Document can not be used
  • Samsung i640 | Service Manual - Page 26
    -SGH-I640 ASSY RUBBER-INTENNA CONTACT 1 AUDIO-RECEIVER INNER BATTERY PACK-1200MAH,BLK INNER BATTERY PACK-1500MAH,BLK ASSY COVER-BATTERY(STD/BLK) ASSY COVER-BATTERY(EXT 002216 GH59-04716A GH72-42667B 5-2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung i640 | Service Manual - Page 27
    (R)-MAIN(VODA) CUSHION-CASE(VODA) BOX-UNIT(VODA BLK) S/W CD-SGHI640V USER GUIDE CD MANUAL USERS-VD2 GERMAN QSG S/W CD-SGHI640V COMPANION CD LABEL(R)-WATER SOAK Exploded View and GH46-00506A GH68-09361A 5-3 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung i640 | Service Manual - Page 28
    Exploded View and Parts List 5-4 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 29
    IC-ANALOG MULTIPLEX IC-ANALOG MULTIPLEX IC-ANALOG MULTIPLEX IC-D/A CONVERTER IC-HALL EFFECT S/W IC-SRAM IC-MCP 6-1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization STATUS SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA
  • Samsung i640 | Service Manual - Page 30
    POSI.FIXED REG. IC-POSI.FIXED REG. IC-POSI.FIXED REG. IC-BATTERY IC-POWER SUPERVISOR IC-CODEC IC-SWITCH IC-DATA COMM./GEN. IC- R-CHIP R-CHIP R-CHIP R-CHIP 6-2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization STATUS SA SA SA SA SA
  • Samsung i640 | Service Manual - Page 31
    CHIP R-CHIP R-CHIP R-CHIP R-CHIP R-CHIP R-CHIP R-CHIP R-CHIP R-CHIP R-CHIP R-CHIP R-CHIP R-CHIP R-CHIP R-CHIP R-CHIP 6-3 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization STATUS SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA
  • Samsung i640 | Service Manual - Page 32
    CHIP R-CHIP R-CHIP R-CHIP R-CHIP R-CHIP R-CHIP R-CHIP R-CHIP R-CHIP R-CHIP R-CHIP R-CHIP R-CHIP R-CHIP R-CHIP R-CHIP 6-4 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization STATUS SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA
  • Samsung i640 | Service Manual - Page 33
    C-CER,CHIP C-CER,CHIP C-CER,CHIP C-CER,CHIP C-CER,CHIP C-CER,CHIP C-CER,CHIP C-CER,CHIP C-CER,CHIP 6-5 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization STATUS SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA
  • Samsung i640 | Service Manual - Page 34
    C-CER,CHIP C-CER,CHIP C-CER,CHIP C-CER,CHIP C-CER,CHIP C-CER,CHIP C-CER,CHIP C-CER,CHIP C-CER,CHIP 6-6 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization STATUS SA SA SA SA SA SA SA SA SNA SNA SNA SNA SNA SNA SNA SNA SNA
  • Samsung i640 | Service Manual - Page 35
    C-CER,CHIP C-CER,CHIP C-CER,CHIP C-CER,CHIP C-CER,CHIP C-CER,CHIP C-CER,CHIP C-CER,CHIP C-CER,CHIP 6-7 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization STATUS SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA
  • Samsung i640 | Service Manual - Page 36
    C-CER,CHIP C-CER,CHIP C-CER,CHIP C-CER,CHIP C-CER,CHIP C-CER,CHIP C-CER,CHIP C-CER,CHIP C-CER,CHIP 6-8 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization STATUS SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA
  • Samsung i640 | Service Manual - Page 37
    C-CER,CHIP C-CER,CHIP C-CER,CHIP C-CER,CHIP C-CER,CHIP C-CER,CHIP C-CER,CHIP C-CER,CHIP C-CER,CHIP 6-9 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization STATUS SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA
  • Samsung i640 | Service Manual - Page 38
    ,CHIP C-TA,CHIP C-TA,CHIP INDUCTOR-SMD INDUCTOR-SMD INDUCTOR-SMD INDUCTOR-SMD INDUCTOR-SMD INDUCTOR-SMD 6-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization STATUS SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA
  • Samsung i640 | Service Manual - Page 39
    DUPLEXER-FEM BEAD-SMD BEAD-SMD BEAD-SMD BEAD-SMD BEAD-SMD SWITCH-TACT SWITCH-TACT SWITCH-TACT 6-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization STATUS SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA
  • Samsung i640 | Service Manual - Page 40
    ANTENNA-CHIP BATTERY-LI(2ND) COUPLER-DIRECTION NPR-ANTENNA CONTACT V2 NPR-ANTENNA CONTACT V2 STATUS SA SA SA SA SA SA SA SA SA SA SA Please consult the GSPN website (Samsung Portal) for the most recent version of the product's part list. 6-12 SAMSUNG Proprietary-Contents may change without
  • Samsung i640 | Service Manual - Page 41
    7. Block Diagrams 7-1. RF Solution Block Diagram 7-1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 42
    Block Diagrams 7-2. Logic Solution Block Diagram 7-2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 43
    8. PCB Diagrams － Main Top 8-1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 44
    PCB Diagrams － Main Bottom 8-2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 45
    9. Flow Chart of TroubleShooting 9-1. Power On z PDA Part 9-1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 46
    Flow Chart of Troubleshooting TA303 & neighboring circuits U303 & neighboring circuits 9-2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 47
    z PHONE Part Flow Chart of Troubleshooting 9-3 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 48
    Flow Chart of Troubleshooting U803 & neighboring circuits UME800 & neighboring circuits 9-4 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 49
    Flow Chart of Troubleshooting U202 & neighboring circuits U301 & neighboring circuits 9-5 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 50
    Flow Chart of Troubleshooting TR302 & neighboring circuits UCP200 & neighboring circuits 9-6 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 51
    Flow Chart of Troubleshooting OSC101 & neighboring circuits 9-7 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 52
    Flow Chart of Troubleshooting 9-8 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 53
    Flow Chart of Troubleshooting 9-9 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 54
    Flow Chart of Troubleshooting 9-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 55
    9-2. LCD Working Flow Chart of Troubleshooting 9-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 56
    Flow Chart of Troubleshooting IC3 & neighboring circuits F606 & neighboring circuits IC1 & neighboring circuits 9-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 57
    Flow Chart of Troubleshooting IC3 IC1 9-13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 58
    Flow Chart of Troubleshooting 9-3. Audio Working z Speaker Working 9-14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 59
    Flow Chart of Troubleshooting 9-15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 60
    Flow Chart of Troubleshooting z Reciever Working 9-16 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 61
    Flow Chart of Troubleshooting 9-17 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 62
    Flow Chart of Troubleshooting z MIC Working 9-18 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 63
    Flow Chart of Troubleshooting 9-19 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 64
    z Hands-Free Stereo Headset Button Working Flow Chart of Troubleshooting 9-20 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 65
    Flow Chart of Troubleshooting 9-4. KEY Working 9-21 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 66
    Flow Chart of Troubleshooting 9-22 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 67
    Flow Chart of Troubleshooting 9-23 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 68
    9-5. Vibrator Working Flow Chart of Troubleshooting 9-24 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 69
    Flow Chart of Troubleshooting 9-25 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 70
    Flow Chart of Troubleshooting 9-26 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 71
    9-6. T-Flash Card Working Flow Chart of Troubleshooting 9-27 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 72
    Flow Chart of Troubleshooting 9-28 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 73
    9-7. Bluetooth Working Flow Chart of Troubleshooting 9-29 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 74
    Flow Chart of Troubleshooting 9-30 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 75
    Flow Chart of Troubleshooting 9-8. GSM Receiver RX ON Sector Power = -50dBm No U100 pin11 >=-60dBm Yes U100 pin23,24 No ,33 >=-75 dBm Resolder or Change L108,L111,L112 Yes Check U101 & UCP200 END 9-31 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung i640 | Service Manual - Page 76
    Flow Chart of Troubleshooting 9-32 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 77
    Flow Chart of Troubleshooting 9-9. GSM Transmitter TX ON (PCL 5 level) U100 pin11 >=5 dBm No U100 pin17 >=5 dBm No PAM100 Check VBAT or Resolder / Change PAM100 Resolder or change R119,UCP200 END 9-33 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung i640 | Service Manual - Page 78
    Flow Chart of Troubleshooting 9-34 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 79
    Flow Chart of Troubleshooting 9-35 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 80
    Flow Chart of Troubleshooting 9-10. DCS Receiver RX ON Sector Power = -50dBm No U100 pin11 >=-60dBm Yes U100 pin19,20 dBm No Resolder or Change L102,L103,L104,C126 Yes Check U101 & UCP200 END 9-36 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung i640 | Service Manual - Page 81
    Flow Chart of Troubleshooting 9-37 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 82
    Flow Chart of Troubleshooting 9-11. DCS Transmitter TX ON (PCL 0 level) U100 pin11 >=0 dBm No U100 pin15 >=0 dBm No VBAT or Resolder / Change PAM100 Check U200 Resolder or change R119,UCP200 END 9-38 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung i640 | Service Manual - Page 83
    Flow Chart of Troubleshooting 9-39 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 84
    Flow Chart of Troubleshooting 9-40 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 85
    Flow Chart of Troubleshooting 9-12. PCS Receiver RX ON Sector Power = -50dBm No U100 pin11 >=-60dBm Yes U100 pin21,22 dBm No Resolder or Change L105,L106,L107,C134 Yes Check U101 & UCP200 END 9-41 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung i640 | Service Manual - Page 86
    Flow Chart of Troubleshooting 9-42 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 87
    Flow Chart of Troubleshooting 9-13. PCS Transmitter (same as DCS) TX ON (PCL 0 level) U100 pin11 >=0 dBm No U100 VBAT or Resolder / Change PAM100 Check U200 Resolder or change R119,UCP200 END 9-43 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung i640 | Service Manual - Page 88
    Flow Chart of Troubleshooting 9-44 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 89
    Flow Chart of Troubleshooting 9-45 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 90
    Flow Chart of Troubleshooting 9-14. WCDMA 2100 Receiver RX ON Sector Power = -50dBm U100 pin11 >=-65dBm No High Pin#5: Low Pin#4: High Check R106,R109, R118,UCP200 Resolder or Change U100 END 9-46 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung i640 | Service Manual - Page 91
    Flow Chart of Troubleshooting 9-47 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 92
    Flow Chart of Troubleshooting 9-48 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 93
    Flow Chart of Troubleshooting 9-15. WCDMA 2100 Transmitter TX ON Target Power = 23dBm U100 pin11 >=10 dBm No U100 #4(VMode1)=L Pin#3(VENA)=H Check UCP200 Check VBAT or Resolder or Change PAM101 END 9-49 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung i640 | Service Manual - Page 94
    Flow Chart of Troubleshooting 9-50 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 95
    Flow Chart of Troubleshooting 9-51 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 96
    Flow Chart of Troubleshooting 9-52 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 97
    Keying ― RNDIS : Remote Network Driver Interface Specification ― RSS : Received Signal Strength ― SAW : Surface Acoustic Wave ― SMS : Short Message Service ― UL : Uplink ― USB : Universal Serial Bus ― WCDMA : Wideband Code Division Multiple Access 10-1 SAMSUNG Proprietary-Contents may change
  • Samsung i640 | Service Manual - Page 98
    Reference data 10-2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 99
    11. Disassembly and Assembly Instructions 11-1. Disassembly Instructions 1 1) Unscrew 5 points in the rear case. 2 1) Separate the locker by not be damaged. 2) Notice the speaker wire not be cut. 11-1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung i640 | Service Manual - Page 100
    Disassembly and Assembly Instructions 5 1) Detach the power key FPC 6 1) Slide up by half to make it easy to be damaged 8 1) Unscrew 6 point below 1) Notice the plastics not be damaged or scratched. 11-2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung i640 | Service Manual - Page 101
    9 1) Disassemble the 2 screw cap using the tweezers. Disassembly and Assembly Instructions 10 1) Unscrew the 6 point and separate 1) Notice the body not not be damaged 2) Notice the FPC not be damaged 11-3 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung i640 | Service Manual - Page 102
    Disassembly and Assembly Instructions 13 1) Separate the 2MP camera using the disassembly slit. 14 1) Unlock the main FPC connector and separate the main damaged 1) Notice the PBA not be damaged 11-4 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung i640 | Service Manual - Page 103
    17 1) Unscrew 2 point on the wheel key sus Disassembly and Assembly Instructions 19 1) Separate the WHEEL KEY 1) Notice not be damaged 11-5 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung i640 | Service Manual - Page 104
    Disassembly and Assembly Instructions 11-2. Assembly Instructions 1 1) Screw 2 point on the wheel key sus 2 1) Put the LCD SUB PBA onto not be damaged 2) Make sure alll components are exactly in place 11-6 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung i640 | Service Manual - Page 105
    5 1) Attach two insulation tape Disassembly and Assembly Instructions 6 1) Put the lower part of slide 2) Screw 6 points 1) Be sure in in position 1) Notice the plastics not be damaged or scratched 11-7 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung i640 | Service Manual - Page 106
    Disassembly and Assembly Instructions 9 1) Put in the key pad 1) Press the main FPC head Keep the guide line 2) Notice the power key FPC not be damaged 1) Make sure the polarity. Red wire is on the left and black wire is on the right 2) Make sure the connection 11-8 SAMSUNG Proprietary-Contents
  • Samsung i640 | Service Manual - Page 107
    13 1) Screw the speaker carrier Disassembly and Assembly Instructions 14 1) Assemble the rear case from the upper part of it. 1) between the front and rear case. 16 1) Check the final assembly status 11-9 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung i640 | Service Manual - Page 108
    Disassembly and Assembly Instructions 11-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
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UMTS TELEPHONE
SGH-i640V
UMTS 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