Samsung GT-B7300 Service Manual
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Samsung GT-B7300 Service Manual

Samsung GT-B7300 Service Manual

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GSM TELEPHONE
GT-B7300
GSM TELEPHONE
CONTENTS
3. Product Function

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Summary of Contents for Samsung GT-B7300

  • Page 1: Table Of Contents

    GSM TELEPHONE GT-B7300 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. Chart of Troubleshooting 10. Reference data 11.

  • Page 2: 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 3 ● 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 4: Specification

    - 100d Bm -106 .7dBm -106 .7dBm TDMA Mu x Cel l R adiu s 35 Km 3 5Km 2 Km 2 Km 2 Km 2 Km SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 5: Gsm Tx Power Class

    11±3 dBm 8±4dBm 8±4dBm 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 6: Operation Instruction And Installation

    - Multimedia Message Service (MMS) / SMS / E-mail - Voice recorder - Speaker Phone - Java MIDP 2.0/ WAP2.0 - GSM/GPRS Class 10 - Quad-band(850/900/1800/1900MHz) - WCDMA Dual(900/2100MHz) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 7: Array Course Control

    4. Array course control 4-1. Software Adjustments Test Cable (GH39-01290A) Test Jig (GH99-36900A) RF Test Cable (GH39-00985A) Adapter (GH99-38251A) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 8: Software Downloading

    • Buckingham Downloader v2.4.exe 4-2-2. Pre-requsite for Downloading • Downloader Program : (Buckingham Downloader v2.4.exe) • Binary files • GT-B7300 Mobile Phone • USB cable SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 9 - Press the "Eboot" button and select "Buckingham_Bootloader.nb0" - Press the "PDA" button and select "Buckingham_LPFlash.nb0" - Press the "CSC" button and select "CSC_GT-B7300XXIH2.csc" - Press the "Phone" button and select "Phone_B7300XXIH2.bin" SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 10 3) Press the "Detect" button and connect the Handset using by USB cable. 4) Turn on the device pressing by END Key. 5) Press the "Start downloading" button if the device found. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 11: Exploded View And Parts List

    5-1. Cellular phone Exploded View QME03 QIF01 QFR01 QKP01 QLC01 QME01 QME00 QCA02 QMP01 QSH01 QSH02 QCA01 QSP01 QCK02 QSD01 QVO01 QCK01 QRE01 QCR91 QBC00 QST01 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 12: Cellular Phone Parts List

    KEY FPCB-KEY PBA ASSY (GT-B7300) GH59-07768A QRE01 ASSY CASE-REAR GH98-13994A QSD01 PMO COVER-SD GH72-54504A QVO01 PMO KEY-VOLUME IN GH72-54508A QCK01 PMO KEY-CAMERA IN GH72-54510A QCK02 PMO KEY-HOLD GH72-54512A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 13: Main Electrical Parts List

    ISA1000 U301,U801,U802 1003-002185 NLSV1T34AMX1TCG PAM100 1201-002740 TQM7M5012 U200 1201-002856 ALM-1712-SG1 U501 1201-002864 MAX9877AERP-T PAM101 1201-002889 SKY77186 PAM103 1201-002890 SKY77189 U402 1203-003924 XC61CN3202NR U606 1203-004043 XC6401FF35ER SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 14 RC1005J510CS R105,R106,R701 2007-001307 RC1005J181CS R613 2007-001339 RC1005J184CS R400 2007-003014 TSR16GJ244V R120 2007-003022 TSR16GJ620V R423 2007-007107 RC1005F1003CS R418 2007-007132 RC1005F153CS R313,R314,R819,R822 2007-007139 MCR01MZP5F4702 R116 2007-007309 MCR01MZP5F1202 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 15 2007-008419 ERJ1GEJ102C R125 2007-008419 ERJ1GEJ102C R309,R328 2007-008420 RMC 1/20 330JPA R201,R303,R304,R408 2007-008516 ERJ1GEJ103C R420,R421,R605,R800 2007-008516 ERJ1GEJ103C R801,R803,R804 2007-008516 ERJ1GEJ103C R826,R827 2007-008588 MCR006YZPJ222 R326 2007-008766 ERJ2RKF6041X SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 16 GRP1555C1H330J C196,C197,C215,C540 2203-000812 GRP1555C1H330J C542,C544,C546,C548 2203-000812 GRP1555C1H330J C549,C550,C620,C621 2203-000812 GRP1555C1H330J C622 2203-000812 GRP1555C1H330J C113 2203-000854 GRP1555C1H390J C103,C551 2203-000995 GRP1555C1H470J C144,C148,C555,C607 2203-001153 GRP1555C1H680J C1107 2203-000550 GRM1555C1H200J SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 17 GRM155R71A104K C507,C508 2203-006137 CL05B223KONC C614 2203-006190 GRM155R60J224KE01E C1114,C189,C330,C331 2203-006194 GRP033R70J103KA01E C332,C402,C409,C411 2203-006194 GRP033R70J103KA01E C520,C803 2203-006194 GRP033R70J103KA01E C609 2203-006257 GRM155R60J474KE19E C509,C514 2203-006260 GRM155R61A224KE19E C201,C211 2203-006305 CM03CG100J25AH SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 18 GRM033R71E331KA01D C704 2203-006647 GRM033R60J473KE19D C300 2203-006668 GRM033R61A222K C435,C705 2203-006681 GRM155F51E104ZA01D C535 2203-006707 GRM0335C1E4R7C C341,C406,C427,C428 2203-006824 CV105X5R475K10AT C429,C431,C432,C445 2203-006824 CV105X5R475K10AT C517 2203-006824 CV105X5R475K10AT C307,C440,C444,C503 2203-006838 CL05A225KQ5NSNC SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 19 CIH05T18NJNC L120 2703-002203 CIH05T15NJNC L106 2703-002204 CIH05T22NJNC L121,L200 2703-002207 CIH05T3N3SNC L114 2703-002208 CIH05T2N2SNC L125 2703-002267 CIH05T4N7SNC L105 2703-002314 CIH05T47NJNC L605 2703-002767 VLF3010AT-220MR33 L122 2703-002842 LLV0603-F2N2S SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 20 BLM15HG102SN1D L502,L606 3301-001885 BLM15HD182SN1D L201 3301-001901 BLM18EG221SN1D TAC700,TAC701,TAC702 3404-001303 LS12K2-T TAC703,TAC704,TAC705 3404-001303 LS12K2-T RFS100 3705-001503 KMS-560 HDC704 3708-002236 FF12-12A-R12BN- CD500 3709-001580 MS110-C10B-C16-H HDC703 3711-005345 14-5602-020-000-829 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 21 ML414RU2-TT36-TP1 MOD200 4709-001662 SWB-M20 ANT100,ANT101,ANT202 GH71-08731A NPR-CONTACT ANT;HJ-ICT-05 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 22: Block Diagrams

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

  • Page 23: Pcb Diagrams

    8. PCB Diagrams SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 24 PCB Diagrams Bottom SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 25: Chart Of Troubleshooting

    Check C445, C431 is 1.2V and the related circuit Check the U800 Check pin 6 of U800 is 'H' and the related circuit Check Other Power Circuit SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 26 Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 27 Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 28 TP_TCXO_EN is "H" and and the related circuit C423 is 2.85V Check the UCP300 Check R408 is 'H' and the related circuit Check the initial operation SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 29 Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 30 Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 31 Check the circuit related to reset at R417 Check CLK XTAL_12MHZ_IN / OUT Change UCP301 at R815 Good Check the 32bit data signal Replace PBA & memory(UCP800) Good SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 32 AP_nRST_IN RSO\ LDO3 LDO4 PWR_I2C_SCL LDO5 PWR_I2C_SDA LDO6 SRAD LDO7 nBATT_FAULT LBOB LDO8 JIGON LDO9 REFBP C446 AGND1 AGND2 PGND1 R422 PGND2 D400 C435 PGND3 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 33: Charging Part

    Check R415 Check the circuit related to TA_nCHG signal = 'L' ? Check the C434 or U403 pin 12 Resolder or replace U403 ≒ 4.2V SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 34 Flow Chart of Troubleshooting 9-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 35: Sim Part

    Check the SIM Clock pin11 at HDC500 After SIM card insert, Resolder HDC500 or replace PBA HDC500 pin 13 = "H(SIM_RST)"? Check the SIM Card 9-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 36 Flow Chart of Troubleshooting 9-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 37: Microphone Part

    Solder C521, L500 again C521 of U502 Not OK Check all power source related U502 Resolder or r eplace U502 Is MIC working? Replace Mic(MIC500) or PBA 9-13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 38 Flow Chart of Troubleshooting 9-14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 39 Flow Chart of Troubleshooting 9-15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 40 Check all power source Check the signal at related U501 C500, C546, C540 of and resolder or r eplace U501 HDC500 Change the PBA Does it work? 9-16 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 41 Flow Chart of Troubleshooting 9-17 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 42 Flow Chart of Troubleshooting 9-18 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 43: Receiver Part

    Check all power source Check the signal at related U502 C541, C543 of HDC500 and resolder or r eplace U502 Change the PBA Does it work? 9-19 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 44: Flow Chart Of Troubleshooting

    C526 MSM_MIC_P SDTOB LOUT3|LOP C533 KEY_MIC_N SYNCA RIN1|IN1- C527 RADIO_R SYNCB RIN2|IN2- C528 SUB_MIC_N RIN4|IN3- C529 MSM_SPK_N LRCK RIN4|IN4- RCV_N TEST ROUT1|RCN CODEC_OUT_R ROUT2 9-20 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 45 Flow Chart of Troubleshooting 9-21 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 46: Key Data Input

    Check the Key FPCB pushed, is it displayed on LCD? When one of the keys is Replace the PBA pushed, KEY_IO signal is OK? 9-22 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 47 Flow Chart of Troubleshooting 9-23 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 48 Check the U404 or replace U404 HDC701 pin 28, 30 = 3.0V? pin 22 = 1.8V? Check the U607 HDC701 pin 2 = 18V? Replace the LCD Module 9-24 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 49 Flow Chart of Troubleshooting 9-25 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 50 Flow Chart of Troubleshooting 9-26 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 51 Check pin 14, 16, 18, 20 Check UCP800 Working properly? Check F704, F705 Does lt looking good? Is there another problem? Replace the camera module 9-27 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 52 Flow Chart of Troubleshooting 9-28 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 53 Flow Chart of Troubleshooting 9-29 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 54 Check pin 10, 11, 13, 18 Check UCP800 Working properly? Check F704, F705 Does lt looking good? Is there another problem? Replace the camera module 9-30 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 55 Flow Chart of Troubleshooting 9-31 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 56 Flow Chart of Troubleshooting 9-32 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 57: Gsm850 Receiver

    51 >= -70dBm U101 pin 1,3,23 Check all voltage Check & Resolder >= 1V sources of U101 CP PMIC(U401) Is it OK? Resolder U101 Check UCP300 9-33 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 58 Flow Chart of Troubleshooting 9-34 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 59: Gsm850 Transmitter

    U101 pin 1,3,23 Check all voltage Check & Resolder >= 1V sources of U101 CP PMIC(U401)t Is it OK? Resolder U101 Check UCP300 9-35 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 60 Flow Chart of Troubleshooting 9-36 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 61: Gsm900 Receiver

    49 >= -70dBm U101 pin 1,3,23 Check all voltage Check & Resolder >= 1V sources of U101 CP PMIC(U401) Is it OK? Resolder U101 Check UCP300 9-37 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 62 Flow Chart of Troubleshooting 9-38 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 63: Gsm900 Transmitter

    U101 pin 1,3,23 Check all voltage Check & Resolder >= 1V sources of U101 CP PMIC(U401)t Is it OK? Resolder U101 Check UCP300 9-39 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 64 Flow Chart of Troubleshooting 9-40 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 65 47 >= -70dBm U101 pin 1,3,23 Check all voltage Check & Resolder >= 1V sources of U101 CP PMIC(U401) Is it OK? Resolder U101 Check UCP300 9-41 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 66 Flow Chart of Troubleshooting 9-42 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 67 U101 pin 1,3,23 Check all voltage Check & Resolder >= 1V sources of U101 CP PMIC(U401)t Is it OK? Resolder U101 Check UCP300 9-43 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 68 Flow Chart of Troubleshooting 9-44 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 69 45 >= -70dBm U101 pin 1,3,23 Check all voltage Check & Resolder >= 1V sources of U101 CP PMIC(U401) Is it OK? Resolder U101 Check UCP300 9-45 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 70 Flow Chart of Troubleshooting 9-46 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 71 U101 pin 1,3,23 Check all voltage Check & Resolder >= 1V sources of U101 CP PMIC(U401)t Is it OK? Resolder U101 Check UCP300 9-47 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 72 Flow Chart of Troubleshooting 9-48 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 73 Check RFS100 or Check C1107 = -56 dBm? F100 (the method like GSM) Check C1119 = -59 dBm? Replace DUF102 Resolder U101 or Change The End 9-49 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 74 Flow Chart of Troubleshooting 9-50 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 75 Check C1106 = 24 dBm ? Replace DUF102 Check RFS100 or F100 Check C110 = 23 dBm ? (the method like GSM) The End 9-51 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 76 Flow Chart of Troubleshooting 9-52 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 77 Check RFS100 or Check C131 = -56 dBm? F100 (the method like GSM) Check C138 = -59 dBm? Replace DUF100 Resolder U101 or Change The End 9-53 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 78 Flow Chart of Troubleshooting 9-54 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 79 Replace DUF100 Check C131 = 24 dBm ? Check RFS100 or Check C110 = 23 dBm ? F100 (the method like GSM) The End 9-55 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 80 Flow Chart of Troubleshooting 9-56 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 81: Fm Radio Part

    Is it good ? (Battery Voltage) Check from C234 to u-USB Pin 5 Replace ZD604,L602,U226922 Is it OK? Check the C527,C522 Replace the U201 Is there signal? 9-57 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 82 Flow Chart of Troubleshooting 9-58 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 83 Flow Chart of Troubleshooting 9-59 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 84 Check the U200 Pin 5 Check the U101 Is there signal? Check the U200 Pin 1 Check the U200 Is there signal? Check the C215 Replace the C215 9-60 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 85 Flow Chart of Troubleshooting 9-61 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 86 Check the Antenna on Rear Replace Antenna normal while trying BLUETOOTH on Resolder MOD200 C219=26MHz? or Change Resolder OSC201 and The End Neighboring Circuits 9-62 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 87 Flow Chart of Troubleshooting 9-63 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 88 Flow Chart of Troubleshooting 9-64 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 89 WLAN Antenna C237,C238 on Rear abnormal Replace Antenna normal while trying WLAN on Resolder MOD200 C206=26MHz? or Change Resolder OSC200 and The End Neighboring Circuits 9-65 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 90 Flow Chart of Troubleshooting 9-66 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 91 Flow Chart of Troubleshooting 9-67 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 92: 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 93: Disassembly And Assembly Instructions

    Remove screw at 1 points 1) Be careful not to make scratch and molding damage! 1) Be careful not to make scratch and molding damage! 11-1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 94 1) Be careful not to make scratch and molding damage! 1) Be careful not to make scratch and molding damage! 2) Be careful not to make damage to connect 11-2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 95 1) SIM SOCKET ENCLOSURE CONNECTOR 1) ATTACH LCD TO FRONT CASE 2) INSERT CAMERA MODULE 2) CONNECT TSP FPCB 3) CONNECT CAMERA CONNECTOR 3) ASSEMBLE KEY PAD 11-3 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 96 → TOP → SIDE → BOTTOM - Screw Size: 1.4x5 - SEC code: 6001-002260 1) DO NOT DAMAGE RF SWITCH AND MIC - Screw Torque: 1.1±0.1 Kgf.cm 11-4 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 97 Disassembly and Assembly Instructions 1) DRIVE SCREWS AT 7 POINT. - Screw Size: 1.4x5 - SEC code: 6001-002260 - Screw Torque: 1.1±0.1 Kgf.cm 11-5 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 98: Schematic Diagram

    12. Schematic Diagram - NC Point(Top View) [UCP300] MSM6246 12-1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 99 Reference data [U401] MAX8674EWN+ 12-2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 100 Reference data [U404] MAX8698EWO-T 12-3 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 101 Reference data [U502] AK4671EG-L 12-4 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 102 Reference data [UCP800] S3C6410 ● : NC 12-5 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 103 GT-B7300 Service schematic diagram R100 TRK_LO_ADJ C100 VCON OSC100 VREG_TCXO_2.85V +VCC L100 C102 TCXO_RTR6285 C107 GSM850/900_TX C104 C105 C106 TCXO C108 TCXO_USB DCS/PCS TX GSM850/900_RX ANT100 ANT101 RFS100 DCS/PCS_RX WCDMA2100 TRX VREG_TCXO_2.85V WCDMA900 TRX R101 MAIN ANT L125 C110 C101...
  • Page 104 GT-B7300 Service schematic diagram R202 FM_INT VAP_SYS_3.0V C203 VREG_RFRX2_2.7V RADIO_L L200 GLNA_ON L202 C201 R201 ROUT RADIO_R C234 FM_ANT GND 11 U201 ANT202 3 RFGND VD 10 C228 FM RADIO C215 RFOUT 5 FM_nRST FM_CLK32K _RST RCLK RFIN RX_GPS BT/WL...
  • Page 105 GT-B7300 Service schematic diagram TCXO_BUFFER TCXO SLEEP_CLK SLEEP_XTAL_IN SLEEP_CLK SLEEP_XTAL_OUT P O W E R RESERVED nPHONE_RST RESIN_N RESOUT_N RESOUT_N RESOUT_N_EBI1 TX_ON|GRFC_10 RF_ON_TX_ON GPIO_12|GRFC_9 GSM_ANT_SEL3_N R302 GSM_ANT_SEL2_N WDOG_EN GPIO_11|GRFC_8 R C V GPIO_0|WDOG_STB|INTER_TX_SW_SEL_1 GPIO_10|GRFC_7 GSM_ANT_SEL1_N VREG_TCXO_2.85V VREG_MSME_1.8V GPIO_9|GRFC_6 GSM_ANT_SEL0_N MODE2 GPIO_6|GRFC_3 VREG_MSMA_2.6V...
  • Page 106 GT-B7300 Service schematic diagram VREG_RFRX2_2.7V L400 R400 C400 VREG_RFRX2_2.7V V_BAT VREG_USIM_3.0V R401 VCOIN_3.0V R403 VREG_MSMP_2.6V VREG_TCXO_2.85V VUSB_3.3V VREG_SYNTH_2.7V BAT400 VREG_MSMA_2.6V VREG_RFRX1_2.1V C408 VREG_MSMC_1.2V VCOIN_3.0V L401 OUT1 C412 OUT2 OUT3 R404 C413 OUT4 C414 OSC400 OUT5 OUT6 C415 OUT7 OUT8 OUT9...
  • Page 107 GT-B7300 Service schematic diagram V_BAT VMIC_2.8V V_BAT C501 U500 VAUDIO_3.0V VAUDIO_3.0V VAUDIO_3.0V VAP_SYS_3.0V VDD 4 VOUT EARSPK_R EARSPK_L RXIN+ RXIN- CE 3 MICBIAS_EN C518 SPK_R OUT+ U501 SPK_L OUT- C507 CODEC_OUT_L INA1 C508 CODEC_OUT_R INA2 BIAS FM_SDA C509 FM_SCL C517...
  • Page 108 GT-B7300 Service schematic diagram VEXT_5V VAP_SYS_3.0V C606 VAP_SYS_3.0V VUSB_OVP_5V VEXT_SAFE_5V VEXT_FET_5V V_BAT R602 C607 V_BAT VEXT_5V R615 C601 SIM_RST JTAG_ID IFC600 AP_USB_D+ DP_HOST AP_SCL_3.0V AP_USB_D- CP_TXD COMD CP_RXD_SIMRST I2C_SCL DM_HOST AP_SDA_3.0V I2C_SDA ID_BYPASS R616 U600 USB_DM UART_SEL AP_FLM_TXD R617 L600...
  • Page 109 GT-B7300 Service schematic diagram VCAM_18D VCAM_28IO VCAM_28A VCAM_28IO VCAM_28A VCAM_18D VCAM_28AF HDC702 HDC703 VLCD_1.8V VLCD_3.0V CAM_F(7) CIFPIXEL_PCLK CAM_F(6) CAM_3M_nSTBY HDC701 13 13 CAM_F(5) PIXEL_MCLK 14 14 CAM_F(0) CAM_F(4) CAM_F(2) CAM_F(3) 16 16 CAM_F(4) CAM_F(2) CAM_F(6) CATHODE ANODE_18V CAM_3M_nRST CAM_F(1) CAM_CIF_nSTBY...
  • Page 110 GT-B7300 Service schematic diagram VAP_SYS_3.0V VAP_OTGI_1.2V VAP_ALIVE_1.2V VAP_ARM_1.2V VAP_HI_3.0V VAP_CORE_1.2V VAP_PLL_1.2V VAP_SYS_3.0V VAP_DAC_3.0V VAP_PLL_1.2V VAP_PCM_3.0V VAP_PLL_1.2V VAP_MEM_1.8V VAP_MMC_3.0V VAP_MEM_1.8V VAP_MEM_1.8V VAP_DAC_3.0V VAP_EXT_3.0V VAP_ADC_3.0V VAP_OTG_3.3V VRTC_3.0V VAP_SYS_800 AP_JTAG_NTRST AP_JTAG_NTRST AP_JTAG_DI AP_JTAG_DI AP_JTAG_TMS AP_JTAG_TMS AP_JTAG_TCK AP_JTAG_TCK AP_JTAG_RTCK AP_JTAG_RTCK AP_JTAG_DO AP_JTAG_DO XM0ADDR0 XM0ADDR1 VAP_MEM_1.8V...
  • Page 111 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. 2009. 09. Rev.1.0...

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