Samsung SGH-I907 Service Manual

Samsung SGH-I907 Manual

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  • Samsung SGH-I907 | Service Manual - Page 1
    GSM TELEPHONE SGH-i900 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. Disassembly and Assembly Instructions 8. Block Diagrams 9. PCB Diagrams 10. Chart of Troubleshooting 11.
  • Samsung SGH-I907 | Service Manual - Page 2
    Europe europe.samsungportal.com China china.samsungportal.com Asia asia.samsungportal.com Mideast & Africa 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 SGH-I907 | Service Manual - Page 3
    , because specipicty of cellular phone is sensitive for surrounding interference use a standard screwdriver when you disassemble this product, otherwise screw will AC power plug, because a repair of battery charger is dangerous when tuning ON/OFF PBA problem that you don't keep this rules. 1-2 SAMSUNG
  • Samsung SGH-I907 | Service Manual - Page 4
    Several semiconductor may be damaged easilly by static electricity. Such parts are called by ESD(Electrostatically Sensitive Devices), for example IC,BGA chip etc. the proper place or a circuit board. 1-2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 5
    2. Specification 2-1. GSM General Specification Freq. Band[MHz] Uplink/Downlink ARFCN range GSM850 Phase 1 824~849 869~894 128~251 Tx/Rx spacing 45MHz EGSM 900 Phase 2 DCS1800 Phase 1 PCS1900 WCDMA2100 880~915 925~960 1710~1785 1850~1910 1922~1977 1805~1880 1930~1990 2112~2167 0~124 &
  • Samsung SGH-I907 | Service Manual - Page 6
    Specification 2-2. GSM Tx Power Class TX Power control level GSM850 5 33±2 dBm TX Power control level EGSM900 5 33±2 dBm TX Power control level DCS1800 0 30±3 dBm TX Power control level PCS1900 0 30±3 dBm 6 31±2 dBm 6 31±2 dBm 1 28±3 dBm 1 28±3 dBm 7 29±2 dBm 7 29±2 dBm
  • Samsung SGH-I907 | Service Manual - Page 7
    ― Windows Live! Portal ― Windows Update ― Email Setup Wizard ― Internet Explorer ― Multimedia capability - 5 Mega Pixel, Camcorder, Windows Media ― TV OUT ― Auto Brightness Control ― Acceleration Sensor 3-1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 8
    i780 (GH39-00993A) 4. Power Cable : JIG to power supply 5. Serial Cable : SGH-i900 to PC 6. Power Supply 7. RF Cable (GH39-00599A): to Agilent 8960 or CMU200 8. Test Cable : JIG to SGH-i900 (GH39-00990A) 4-1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 9
    Software Download 1-1. Equipment for Software Download 1-2. Pre-requisite for Download ▶ Downloader Program - [Image Version].exe ▶ USB Driver - PDA : Samsung MITs USB Sync [Samsung MITs USB Sync.zip] - Phone : Samsung CDMA Modem [Samsung CDMA Modem.zip] ▶SGH-i900 Mobile Device ▶ Driver
  • Samsung SGH-I907 | Service Manual - Page 10
    the latest ActiveSync program. 2-2. Driver Installation (Phone) When you download the phone image, you need the driver of Samsung CDMA Modem. If you want to download the phone image, install the Samsung CDMA Modem driver. ) After you install the driver of Samsung CDMA Modem, please restart a hos
  • Samsung SGH-I907 | Service Manual - Page 11
    Array course control ble. 6. Turn on your device and wait until 'START' button is activated. 4-4 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung SGH-I907 | Service Manual - Page 12
    USB dat a link cable and retry. 7. Please click "START" button. 8. When the download is finished, the phone is rebooted automatically. ) Download Procedure [ Downloading EBOOT ] [ Downloading PDA ] 4-5 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 13
    Array course control [ Changing USB PATH] [ Downloading PHONE ] 4-6 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung SGH-I907 | Service Manual - Page 14
    Array course control [ Job Done ] ) The Display of your Device 4-7 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung SGH-I907 | Service Manual - Page 15
    Array course control ) Trouble Shooting 1. "PDA Device not found" message ) Make sure that your device is connected a host computer by USB DATA Li nk cable. 2. "Port Open Failed" message or application hang 4-8 SAMSUNG Proprietary-Contents may change without notice This Document can not be used
  • Samsung SGH-I907 | Service Manual - Page 16
    or application hang, 1. When failed application is activated, go to the device manager, remove the S AMSUNG CDMA Modem and SAMSUNG USB Composite Device. 2. Rename C:\WINDOWS\system32\drivers\Modem.sys to other name. (ex. Mod em-.sys) 3. Go to control panel->program add/remove, and then remove
  • Samsung SGH-I907 | Service Manual - Page 17
    port from the computer and plug it again. 2) Open the Device Manager and remove the USB hub and install it again. 3) Reboot the computer. 4-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 18
    and Parts List 5-1. Cellular phone Exploded View QFR01 QME03 QLC01 QBR01 QCR71 QCW02 QCA07 QCA01 QCA02 QCK02 QCR47 QRE01 QCR09 QCW01 QRF03 QBA00 QST01 QKP01 QKP06 QJK01 QMI01 QSH02 QMP02 QVO01 QCB01 QVK01 QMP01 QAN05 QSH01 QCR71 QRF01 5-1 SAMSUNG Proprietary-Contents may change
  • Samsung SGH-I907 | Service Manual - Page 19
    Exploded View and Parts List 5-2. Cellular phone Parts list Design LOC Discription QAN05 ASSY RUBBER RUBBER-KEY DOM QRE01 ASSY CASE-REAR QCR47 QCW01 QRF03 QVO01 SCREW-MACHINE ASSY COVER-CAMERA WINDOW PMO COVER-EAR JACK V2 ASSY KEY-CAM VOL 5-2 SAMSUNG Proprietary-Contents may change without
  • Samsung SGH-I907 | Service Manual - Page 20
    -CMOS LOGIC IC-CMOS LOGIC IC-CMOS LOGIC IC-CMOS LOGIC IC-CMOS LOGIC IC-CMOS LOGIC IC-CMOS LOGIC IC-MICROPROCESSOR IC-ANALOG SWITCH 6-1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 21
    SWITCH IC-ANALOG SWITCH IC-D/A CONVERTER IC-MOTOR DRIVER IC-LINE TRANSCEIVER IC-SRAM IC-MCP IC- -MULTI REG. IC-VOL. DETECTOR IC-POWER SUPERVISOR IC-BATTERY IC-POWER SUPERVISOR IC-DC/DC CONVERTER IC-MULTI REG. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 22
    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 R-CHIP R-CHIP R-CHIP R-CHIP R-CHIP R-CHIP R-CHIP R-CHIP R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 23
    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 R-CHIP R-CHIP R-CHIP R-CHIP R-CHIP R-CHIP R-CHIP R-CHIP R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 24
    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 R-CHIP R-CHIP R-CHIP R-CHIP R-CHIP R-CHIP R-CHIP R-CHIP R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 25
    ,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 C-CER,CHIP C-CER,CHIP C-CER,CHIP C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 26
    ,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 C-CER,CHIP C-CER,CHIP C-CER,CHIP C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 27
    ,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 C-CER,CHIP C-CER,CHIP C-CER,CHIP C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 28
    ,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 C-CER,CHIP C-CER,CHIP C-CER,CHIP C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 29
    ,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 C-CER,CHIP C-CER,CHIP C-CER,CHIP C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 30
    ,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 C-CER,CHIP C-CER,CHIP C-CER,CHIP C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 31
    ,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 C-CER,CHIP C-CER,CHIP C-CER,CHIP C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 32
    ,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 C-CER,CHIP C-CER,CHIP C-CER,CHIP C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 33
    ,CHIP C-TA,CHIP C-TA,CHIP C-TA,CHIP C-TA,CHIP C-TA,CHIP C-TA,CHIP C-TA,CHIP C-TA,CHIP C-TA,CHIP C-TA,CHIP INDUCTOR-SMD INDUCTOR-SMD SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 34
    L501 INDUCTOR-SMD L402 INDUCTOR-SMD OSC600 CRYSTAL-SMD OSC300 CRYSTAL-SMD OSC601 CRYSTAL-SMD OSC101 CRYSTAL-SMD OSC100 CRYSTAL-SMD OSC400 OSCILLATOR-CLOCK 6-15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 35
    CONNECTOR-FPC/FFC/PIC CONNECTOR-CARD EDGE CONNECTOR-CARD EDGE SOCKET-INTERFACE HEADER-BOARD TO BOARD HEADER-BOARD TO BOARD HEADER-BOARD TO BOARD HEADER-BATTERY BATTERY-LI(2ND) W-LAN MODULE IPR SHIELD-CAN CLIP IPR SHIELD-CAN CLIP IPR SHIELD-CAN CLIP IPR SHIELD-CAN CLIP IPR SHIELD-CAN CLIP IPR
  • Samsung SGH-I907 | Service Manual - Page 36
    -CAN CLIP IPR SHIELD-CAN CLIP NPR-ANT CONTACT NPR-ANT CONTACT NPR-ANT CONTACT NPR-ANT CONTACT Please consult the GSPN website (Samsung Portal) for the most recent version of the product's part list. 6-17 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 37
    and Assembly Instructions 7-1. Disassembly 1 2 UNSCREW 4 POINTS 1) UNSCREW 4 REAR Points. 3 Separate the REAR cover - 1 - Separate the rear case using a disassembly tool following indicated direction. 4 Separate the REAR cover - 2 - Separate the REAR using a disassembly tool following
  • Samsung SGH-I907 | Service Manual - Page 38
    & nearby chipsets.) Separate LCD FPCB CONNECTOR. - Separate LCD FPCB Connector from the PBA Connector with great care. (Be careful not to damage FPCB & nearby chipsets.) 7-2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 39
    . - Separate OJ KEY with great care not to tear OJ - Remove Bracket sheet with great care not to KEY FPCB. damage GPS wire & MAIN FPCB. 7-3 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 40
    Bracket Disassembly : refer to 5/6 page Separate SPK Bracket. -Lift SPK Bracket from FRONT Ass`y. 15 UNSCREW FRONT 2 Points. 16 ① ② Separate FRONT. - Separate FRONT from FRONT Ass`y following indicated direction. Separate Key Pad. - Separate Key Pad from FRONT Ass`y. 7-4 SAMSUNG Proprietary
  • Samsung SGH-I907 | Service Manual - Page 41
    Separate OJ(Optical Joystic) KEY FPCB.. - Separate FPCB from FRONT Ass`y using guide hole. 19 Separate TSP Module. - Separate TSP Module from PBA with care. use to damage TSP. 7-5 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung SGH-I907 | Service Manual - Page 42
    Pull 5M - Caution : Detach Flash FPCB from Bracket with CAM out of Bracket. great care not to tear FPCB. 5 6 Disassemble CIF CAM CONNECTOR. Separate Main FPCB from SPK Bracket & Remove CIF CAM. 7-6 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 43
    7 Disassemble Window Deco. Exploded View and Parts List 7-7 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung SGH-I907 | Service Manual - Page 44
    (Optical Joystic) Key FPCB into the larger hole of the Two. Attach OJ Key on the Main Shield Can. - Attach OJ Key referring to the Guide. - MIC should fit in the hole. 7-8 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 45
    page Attach SPK Bracket. -Attach SPK Bracket on the FRONT Ass`y referring to the Guide. 12 Attach Bracket Sheet. - Attach Bracket sheet considering guide line. Put the GPS wire into FRONT Ass`y Guide. 7-9 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 46
    with PBA Connector. 18 Assemble Main FPCB CONNECTOR. - Assemble Main FPCB Connector with PBA Connector. Assemble GPS CONNECTOR. - Assemble GPS Connector with PBA Connector. 7-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 47
    into FRONT Ass`y Guide. 21 Assemble Window Function key - 1. - The Rounded part is headed to the TOP. 22 SCREW 2 POINTS Assemble Window Function key - FRONT Ass`y considering GPS wire, Window Fuction key and IF cover. Screw 4 REAR Points. 7-11 SAMSUNG Proprietary-Contents may change without
  • Samsung SGH-I907 | Service Manual - Page 48
    Exploded View and Parts List 7-4. SPK Assembling 1 2 Assemble Window Deco. 3 Assemble CIF CAM. 4 Make Main FPCB FPCB. - Attach Flash FPCB to SPK Bracket referring to the Guide. Attach Power Key. 7-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 49
    9 Attach GPS FPCB - 1. - Attach GPS FPCB to SPK Bracket referring to the Guide. Attach GPS FPCB & wire - 2. - Attach metal part of FPCB to SPK Bracket behind. Then Put GPS Wire into SPK Bracket Guide. 7-13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 50
    8. Block Diagrams SGH-i900 Block Diagram Main Ant. GPS Ant. BT /wLAN Ant. 2. 5G PAM / Swi t ch SKY77519 2. 456 789 * 0# Ext. Mem. TV OUT I/F TV TV OUT ISE2200 In t er n al Mem o r y (8GB /16GB ) 8- SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 51
    MAX4744ELBT C4 3 9 C434 C438 C440 R1 2 1 R1 2 2 C112 C103 L119 SC111 L100 RFS100 ANT1 0 2 ANT1 0 3 ANT1 0 0 ANT1 0 1 L101 R100 C1 8 2 SC1 0 4 R1 1 6 BOTHHOLE6 0 1 C1 1 0 C1 1 1 9-1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 52
    /RV ZD406 C422 C4 2 4 C4 2 5 R4 1 0 R4 1 1 R4 1 2 C6 8 2 SLC501 R2 2 2 C678 SC113 R200 U201 NC7SV08L6X SC1 0 1 D600 SC1 1 8 1200-0020-05 SC117 MGND CN2 0 1 9-2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 53
    TroubleShooting 10-1. Power On z PDA Part 'Power On' No At TA300 V>3.32 Yes 1,4 Pins in U304 V1 = V4 Yes Voltage in U605 V1=3.0 V2=1.8 V3=1.4 V4=1.4 V5=1.8 V5=1.8 No Battery Change No Check U304 & Neighboring Circuit No Check U605 & Neighboring Circuit Yes Check other Power Devices 10-1 SAMSUNG
  • Samsung SGH-I907 | Service Manual - Page 54
    Flow Chart of Troubleshooting VCC_3.0V R619 R620 PWR_SCL PWR_SDA VCC_3.3V_BATT VBATT VCC_1.8V 4 2 VDD NC 3 D302 1 3 2 4 5 R316 V_DC VBATT U304 6NC VOUT 1 5 GND GND 2 4 VIN EN 3 TA300 D301 10-2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 55
    Flow Chart of Troubleshooting C326 U303C325 R428 U409 C670 R626 C672 R623 R624 TA300 D301 L605 C676C669 7 R620 C626R619 C675 C665 C664 C663 C666 C615 U302 C305 C618 C622C619 C304C303 10-3 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 56
    Flow Chart of Troubleshooting z PHONE Part Phone on No 4 Pin in U201 Low Yes Check U201 & Neighboring & UCP 600 Neighboring Circuit No Check U301& Neighboring Circuit 10-4 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
  • Samsung SGH-I907 | Service Manual - Page 57
    PON_RST_PDA_N_O PON_RST_PMIC_N Flow Chart of Troubleshooting U201 1A 2B 3 GND VCC 6 NC 5 Y4 VCC_2.8V R200 FONE_RST VCC_1. VSS VSS VSS VSS VSS VSS VSS A5 VSS F6 J6 E10 E5 E6 E1 A 10 C10 10-5 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 58
    Flow Chart of Troubleshooting V_DC VRFRX2_2.7V E1 VBAT B3 VDD_GP B2 VDD_MAIN H11 VDD_MSM L5 VDD_MSMC B9 VDD_RF K 10 VDD_RUIM GND VCC OUT 43 OSC102 C1104 C1105 RTR6285_TCXO TCXO C1106 C1107 C1108 10-6 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 59
    Flow Chart of Troubleshooting HDC201 C224 C229 C205 SC100 326 ZD201 C325 C227 C228 R208 C231 UCP200 C215 R202 U202U203 R222 C221 TR600 C682 HDC400 SLC50 1 U610 C678 SC113 R200 U201 SC101 C 10-7 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 60
    Flow Chart of Troubleshooting 10-2. RECEIVER Working Operator receive No SPK-Assy's Breakdown? No AE15, AE16 Pin in UCP200 Signal ON? No Check PIN 6, 10 in U407 No Check R430, R433 No Check L404, L405 10-8 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 61
    Flow Chart of Troubleshooting SPK_SW RCV_P RCV_N SPK_SW VAUDIO_3.3V_A R435 U407 1 CB1 2 NO1 3 GND 4 C468 VAUDIO_3.3V_A TSMY TSMX TSPY TSPX C422 C424 C425 1 6 2 5 3 4 ZD402 OJ_VCC_GND 10-9 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 62
    Flow Chart of Troubleshooting VMSMP_2.6V VMSME_1.8V MSM_A1(1:12) MSM_D1(24:31) MSM_A2(1:13) MSM_D1(0:15) MSM_D2(0:15) MSM_A1(1) MSM_A1(2) B23 F25 D25 R25 H1 W1 D11 U25 AE21 A A 25 AB25 V25 10-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 63
    Flow Chart of Troubleshooting R6 C321 C318 R312 R219 OSC300 C233 L302 L301 C312 C320 C61 4 C61 1 C31 9 C60 1 C241C238 R221 C246 C243 C209 C679 C210 C21 3 R304 C244 R200 U201 SC101 C 10-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 64
    Flow Chart of Troubleshooting 10-3. SPEAKER Working Operator Speaker No SPK-Assy's Breakdown? No Y18, V21 Pin in UCP Signal ON? UCD 402 No Check PIN 6, 10 in U407, C477, C478 No Check L404, L405 10-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 65
    Flow Chart of Troubleshooting VBATT SPK_SW C459 23 22 21 20 19 18 17 16 NC NC GND C466 C467 C468 VAUDIO_3.3V_A TSMY TSMX TSPY TSPX C422 C424 C425 1 6 2 5 3 4 ZD402 OJ _ V CC_ GND 10-13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 66
    Flow Chart of Troubleshooting I FC400 HDC400 ZD402C234 C245 C242C235 U205 UME201 C24 0 R427 ZD40 0 R600 C641 R601 C197 C53 2 C63 7 R631 R13 9 R13 7 C469 L11 9 C541 R122 C110 L100 C111 10-14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 67
    Flow Chart of Troubleshooting 10-4. MIC Working Operate Microwave 3.5Pin in No HDC400 Signal ON? 3,4Pin in IFC400 ? YES END Check the path around MIC Bais circuit Check the C405, C406, UCD402 10-15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 68
    Flow Chart of Troubleshooting JTAG_RXD JTAG_IF_CON_SENSE JTAG_VBUS NC 27 NC 26 NC 25 NC 24 NC 23 MOUSE_MOTION MAIN_MIC_P MAIN_MIC_N EAR_CHECK 4 CH3 6 CH5 5 CH4 ZD405 3 CH2 1 CH1 2 VN OJ_VCC_GND 10-16 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 69
    Flow Chart of Troubleshooting VBATT SPK_SW C459 23 22 21 20 19 18 17 16 NC NC GND C466 C467 C468 VAUDIO_3.3V_A TSMY TSMX TSPY TSPX C422 C424 C425 1 6 2 5 3 4 ZD402 OJ _ V CC_ GND 10-17 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 70
    Flow Chart of Troubleshooting I FC400 C219 TA60 0 R405 C420 C421 C418 C419 C609 R407R40 R408R40 C60 5 C61 0 C62 0 U207 R221 C246C243 C209 C679 C210 C21 3 R304 C244 R200 U201 SC101 C 10-18 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 71
    Flow Chart of Troubleshooting 10-5. KEY Working Press Key Volume Key NG ? No Camera Key NG ? No OJ key NG? No Breakdown? Change OJ Key Yes Key FPCB Breakdown? Yes No Change Key FPCB Change LED 10-19 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 72
    Flow Chart of Troubleshooting JTAG_RXD JTAG_IF_CON_SENSE JTAG_VBUS NC 27 NC 26 NC 25 NC 24 NC C414 C415 C413 C409 C423 C426 R425 R426 EAROUT_L EAROUT_R C419 C418 EAR_MIC_N EAR_MIC_P C420 C421 10-20 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 73
    Yes CN301 Breakdown? No Pin 1,2 in Yes CN301 short? No Pin 2 in U508 No Low? Yes Check U508 & Neighboring circuit Flow Chart of Troubleshooting Change CN301 Change CN301 Change U508 LCD_EN TF_EN VBATT VLCD_3.0V VTF_3.0V U508 1 CE1 VOUT1 8 2 GND VDD 7 3 CE2 VOUT2 6 4 NC NC 5 GND
  • Samsung SGH-I907 | Service Manual - Page 74
    Flow Chart of Troubleshooting U508 L500 U502 C547 C530 F501F503 C507 HDC500 TR500 TR501 TR502 C329 C330 C531 C187 R423 R400 C442 OSC100 C647 UCD604R606R420R L402 R607R608 C470 C444 U4 10-22 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 75
    Flow Chart of Troubleshooting 10-7. Bluetooth Working Operate BT Ant103 and L119 O.K? Yes Pin 6 in U101=3.3V 6 2 GND 5 3 VOUT2 EN2 EN1 4 GND 7 C199 VCOMBO_3.3V VCOMBO_1.8V C1101 C1102 10-23 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 76
    Flow Chart of Troubleshooting VCOMBO_3.3V VCOMBO_3.3V VCOMBO_1.8V VCOMBO_1.8V VCC_3.0V L124 C194 TA 100 C195 C196 R137 R138 R139 WLAN_PDN BT_nRST WLAN_nRST 50 NC 51 49 35 13 25 11 1 10-24 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 77
    Flow Chart of Troubleshooting 10-8. GSM850 Receiver RX ON Sector PWR=-50dBm No PAM100 Pin 8 >= -60dBm Resolder RFS100, C103, 75dBm Yes Change U100 & UCP200 Resolder or change F100,L102,L103,C122 10-25 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 78
    Flow Chart of Troubleshooting RFOUT_DCS_PCS R102 R103 R104 RFOUT_GCELL_EGSM R106 R108 R109 RFS100 ANT 1 2 3 4 1 2 3 4 ANT100 1 2 3 4 1 9 R30 6 L10 1 R10 0 C110 L100 C111 ANT100 ANT101 10-26 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 79
    Flow Chart of Troubleshooting R219 O C205 C220C222 C217C223 C237 R202 UCP200 C317 C233 C21 1 R211 R213 C218 C219 UME201 R222 C221 TR600 C682 U61 0 MGND C678 SC11 3 R200 U201 SC101 10-27 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 80
    Flow Chart of Troubleshooting 10-9. GSM850 Transmitter TX ON (PCL 5 level) PAM100 Pin 8 >= 5dBm No PAM100 Pin 23 >= 5dBm U100 & UCP200 Yes Resolder or change PAM100, C116, R106 ,R108, R109 END 10-28 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 81
    Flow Chart of Troubleshooting RFOUT_DCS_PCS R102 R103 R104 RFOUT_GCELL_EGSM R106 R108 R109 RFS100 ANT 1 2 3 4 1 2 3 4 ANT100 1 2 3 4 1 R30 6 C323 C45 9 C447 R50 BAT300R51 VR50 0 ZD40 4 10-29 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 82
    Flow Chart of Troubleshooting 10-10. GSM900 Receiver RX ON Sector PWR=50dBm PAM100 Pin8 >= -60dBm Yes F100 Pin 5 >= - or change PAM100 Pin 28 : HIGH No Resolder or change F101 ,L104, L105, C136 10-30 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 83
    RFOUT_DCS_PCS R102 R103 R104 RFOUT_GCELL_EGSM R106 R108 R109 Flow Chart of Troubleshooting RFS100 ANT 1 2 3 4 1 2 3 4 ANT100 1 2 3 4 1 2 3 ZD40 4 L10 1 R10 0 C110 L100 C111 ANT100 ANT101 10-31 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 84
    Flow Chart of Troubleshooting 10-9. GSM900 Transmitter TX ON (PCL 5 level) PAM100 Pin 8 >=5dBm No PAM100 Pin 23>=5dBm No U100 & UCP200 Yes Resolder or change PAM100, C116, R106 ,R108, R109 END 10-32 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 85
    RFOUT_DCS_PCS R102 R103 R104 RFOUT_GCELL_EGSM R106 R108 R109 Flow Chart of Troubleshooting RFS100 ANT 1 2 3 4 1 2 3 4 ANT100 1 2 3 4 1 2 3 4 ANT101 G 4 3C 2A 1G C173 100PF 100NF 25V 10V 10-33 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 86
    C224 C22 SC100 Flow Chart of Troubleshooting TA300 C227 C228 R208 C231 C215 UME200 C306 R30 2C31 6 C32 2 U301 R303 C308 C23 2 C22 C682 SLC50 1 U61 0 CN20 1 MGND C678 SC11 3 R200 U201 SC101 10-34 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 87
    Flow Chart of Troubleshooting 10-12. DCS Receiver RX ON Sector PWR=50dBm PAM100 Pin8 >= -60dBm Yes PAM100 Pin 6 >= -70dBm Yes Pin 27 : HIGH Pin 28 : LOW No Resolder or change F102 L106, L107, L108 10-35 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 88
    Flow Chart of Troubleshooting RFOUT_DCS_PCS R102 R103 R104 RFOUT_GCELL_EGSM R106 R108 R109 RFS100 ANT 1 2 3 4 1 2 3 4 ANT100 1 2 3 4 1 2 3 4 GSM_RXM GSM_RXP DCS_RXM DCS_RXP PCS_RXM PCS_RXP 10-36 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 89
    Flow Chart of Troubleshooting 10-13. DCS Transmitter TX ON (PCL 5 level) PAM100 Pin 8 >= 0dBm No PAM100 Pin 21 >= 0dBm Check U100 & UCP200 Yes Resolder or change PAM100, R102 ,R103 ,R104 ,R105 END 10-37 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 90
    Flow Chart of Troubleshooting TX_Q_N TX_Q_P C101 0.068NF 25V DAC_REF VRFRX1_2.1V C123 UMTS_RXM_2100 UMTS_RXP_2100 C160 C161 C167 C171 UMTS_RXM_2100 UMTS_RXP_2100 TX_ON VMSMP_2.6V C172 C173 10-38 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 91
    Flow Chart of Troubleshooting 10-14. PCS Receiver RX ON Sector PWR=50dBm PAM100 Pin 8 No >= -60dBm Yes No PAM100 : LOW Yes Resolder or change PAM100 Resolder or change F103, L109, L111, L112 10-39 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 92
    Flow Chart of Troubleshooting RFOUT_DCS_PCS R102 R103 R104 RFOUT_GCELL_EGSM R106 R108 R109 RFS100 ANT 1 2 3 4 1 2 3 4 ANT100 1 2 3 4 1 2 3 4 GSM_RXM GSM_RXP DCS_RXM DCS_RXP PCS_RXM PCS_RXP 10-40 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 93
    Flow Chart of Troubleshooting 10-15. PCS Transmitter TX ON (PCL 5 level) PAM100 Pin 8 >= 0dBm No PAM100 Pin 21 >= 0dBm 0dBm NO Check U100 & UCP200 Yes Resolder or change R102, R103 ,R104 ,R105 END 10-41 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 94
    Flow Chart of Troubleshooting RFOUT_DCS_PCS R102 R103 R104 RFOUT_GCELL_EGSM R106 R108 R109 RFS100 ANT 1 2 3 4 1 2 3 4 ANT100 1 2 3 4 1 2 3 4 GSM_RXM GSM_RXP DCS_RXM DCS_RXP PCS_RXM PCS_RXP 10-42 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 95
    Flow Chart of Troubleshooting TX_Q_N TX_Q_P C101 0.068NF 25V DAC_REF VRFRX1_2.1V C123 UMTS_RXM_2100 UMTS_RXP_2100 C160 C161 C167 C171 UMTS_RXM_2100 UMTS_RXP_2100 TX_ON VMSMP_2.6V C172 C173 10-43 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 96
    Flow Chart of Troubleshooting 10-16. WCDMA Receiver RX ON Sector PWR = -50dBm PAM100 Pin 8 No >= -60dBm Yes No or change PAM100 Resolder L115, C174, C179 Resolder or change L126, C189, DUP100 10-44 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 97
    RFOUT_DCS_PCS R102 R103 R104 RFOUT_GCELL_EGSM R106 R108 R109 Flow Chart of Troubleshooting RFS100 ANT 1 2 3 4 1 2 3 4 ANT100 1 2 3 4 1 2 3 4 ANT101 C179 C180 L126 WCDMA_IMT_RX 10-45 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 98
    Flow Chart of Troubleshooting 10-17. WCDMA Transmitter TX ON (UE Target Power 24 dBm) PAM100 Pin 8 >= 15dBm No : HIGH Resolder or change PAM101 YES Resolder or change F105, C181, C112 Check U100 END 10-46 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 99
    Flow Chart of Troubleshooting RFOUT_DCS_PCS R102 R103 R104 RFOUT_GCELL_EGSM R106 R108 R109 RFS100 ANT 1 2 3 4 1 2 3 4 ANT100 1 2 3 4 L115 C174 TRX_WCDMA2100 C179 C180 L126 WCDMA_IMT_RX 10-47 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 100
    Flow Chart of Troubleshooting TX_Q_N TX_Q_P C101 0.068NF 25V DAC_REF VRFRX1_2.1V C123 C124 C125 UMTS_RXP_2100 C160 C161 C167 C171 UMTS_RXM_2100 UMTS_RXP_2100 TX_ON VMSMP_2.6V C172 C173 10-48 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
  • Samsung SGH-I907 | Service Manual - Page 101
    Picture Experts Group PN : Pseudo-random Noise PS : Pilot Symbol QPSK: Quadrature Phase Shift Keying RS : Reed-Solomon SI : Service Information TDM : Time Division Multiplexing TS : Transport Stream 11-1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without
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GSM TELEPHONE
SGH-i900
1.
Safety Precautions
2.
Specification
3.
Product Function
4.
Array course control
5.
Exploded View and Parts list
6.
MAIN Electrical Parts List
7.
Disassembly and Assembly
Instructions
8.
Block Diagrams
9.
PCB Diagrams
10. Chart of Troubleshooting
11. Reference data
GSM TELEPHONE
CONTENTS