Samsung GT-S5750E Service Manual
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Samsung GT-S5750E Service Manual

Samsung GT-S5750E Service Manual

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GSM TELEPHONE
GSM TELEPHONE
GT-S5750E/S5753E Common
2. Specification
3. Product Function
7. Disassembly and Assembly
Instructions
9. Reference data
Notice :
All functionality, features, specifications and other
product information provided in this document inclu
ding, but not limited to, the benefits, design, pricing,
components, performance, availability, and capabiliti
- es of the product are subject to change without
notice or obligation. Samsung reserves the right to
make changes to this document and the product
described herein, at anytime, without obligation on
Samsung to provide notification of such change.
CONTENTS

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Summary of Contents for Samsung GT-S5750E

  • Page 1: Table Of Contents

    - es of the product are subject to change without notice or obligation. Samsung reserves the right to make changes to this document and the product described herein, at anytime, without obligation on...
  • Page 2 China china.samsungportal.com Asia asia.samsungportal.com Mideast & Africa mea.samsungportal.com This Service Manual is a property of Samsung Electronics Co.,Ltd. Samsung Electronics Co.,Ltd. ⓒ Any unauthorized use of Manual can be punished under applicable International and/or domestic law. 2010. 10. Rev.1.0...

  • Page 3: Gsm General Specification

    2. Specification 2-1. GSM General Specification GSM850 EG SM 900 DCS1800 WCDMA PCS1 900 WCDMA900 Phase 1 Phase 2 Phase 1 2100 Fr eq. Band[MHz] 824~ 849 880~ 915 1710~ 1785 1850~ 1910 1922~ 1977 880~ 915 Uplink/Downlin 869~ 894 925~ 960 1805~ 1880 1930~ 1990...

  • Page 4: Gsm Tx Power Class

    Specification 2-2. GSM Tx Power Class TX Power TX Power TX Power TX Power control GSM850 control EGSM900 control DCS1800 control PCS1900 level level level level 33±2 dBm 33±2 dBm 30±3 dBm 30±3 dBm 31±2 dBm 31±2 dBm 28±3 dBm 28±3 dBm 29±2 dBm 29±2 dBm...

  • Page 5: Operation Instruction And Installation

    TouchWiz 3.0 UI / Dolfin Browser / Social Hub / DNSe l 80MB internal memory / microSD (up to 16G) l 1200mAh standard Battery SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 6 JIG BOX (GH99-36900A) • RF Test Cable (GH39-00985A) • JIG Cable (GH39-01339A) • Adapter (GH99-38251A) • Binary files （ Settings Connect to the computer by USB cable SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 7 Level 1 Repair 6-1-2. S/W Downloader Program ｝ 1. Load the binary download program by executing the "Downloader V5.64" SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 8 Level 1 Repair 2. Select the "BRCM2153". as Control. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 9 Level 1 Repair 3. Select the Full Download. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 10 4. Load the file of Boot, Amss, Apps, Rsrc 1. Rsrc2, Factory FS, CSC, SHP APP from the folder that you saved the binary files. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 11 You have to set the phone as a download mode by pressing Volume UP + Camera + POWER key simultaneously before connecting to PC . SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 12 Level 1 Repair 6. Then the down loader can search the port. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 13 7. Click the Download button when the Port searched. It will start to download. 8. When downloading is finished successfully, there is a "All files complete" message. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 14: Reference Abbreviate

    ― QPSK: Quadrature Phase Shift Keying ― RS : Reed-Solomon ― SI : Service Information ― TDM : Time Division Multiplexing ― TS : Transport Stream SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 15: 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 16 ― 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 17: Exploded View And Parts List

    4. Exploded View and Parts List 4-1. Cellular phone Exploded View QME03 QFR01 QLC01 QKP01 QME01 QLB01 QCA01 QJK01 QAR01 QMP01 QSP01 QMO01 QCK02 QVO01 QCK01 QRE01 QRF06 QCR101 QBC00 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 18: Cellular Phone Parts List

    GH59-09658A QRE01 ASSY CASE-REAR GH98-17543A QMO01 MOTOR DC-GT-S5250 GH31-00503A QRF06 PMO COVER-USB GH72-60559A QCK01 ASSY KEY-CAM GH98-17855A QVO01 ASSY KEY-VOL GH98-17856A QCK02 ASSY KEY-POWER GH98-17857A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 19: Main Electrical Parts List

    R-CHIP 2007-000148 R118 R-CHIP 2007-000156 R604 R-CHIP 2007-000162 R114,R115,R117,R132 R-CHIP 2007-000162 R222,R315,R501,R605 R-CHIP 2007-000170 R204,R307 R-CHIP 2007-000172 R502 R-CHIP 2007-001288 R302,R303 R-CHIP 2007-001323 R403 R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 20 2203-001153 2203-001385 C1017,C144 C-CERAMIC,CHIP C603 C-CERAMIC,CHIP 2203-002487 C1033,C128,C150,C152 C-CERAMIC,CHIP 2203-002709 2203-002709 C156,C161,C164,C232 C-CERAMIC,CHIP C414 C-CERAMIC,CHIP 2203-002709 C106,C140,C147 C-CERAMIC,CHIP 2203-005234 2203-005450 C1010,C1011,C190 C-CERAMIC,CHIP C132,C134 C-CERAMIC,CHIP 2203-005552 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 21 2203-006872 2203-006872 C191,C196,C321,C322 C-CERAMIC,CHIP C325,C326,C327 C-CERAMIC,CHIP 2203-006872 C312,C313 C-CERAMIC,CHIP 2203-006890 2203-007270 C606 C-CERAMIC,CHIP C1019,C1027,C149 C-CERAMIC,CHIP 2203-007271 C100,C501 C-CERAMIC,CHIP 2203-007279 2203-007317 C114,C420 C-CERAMIC,CHIP C309,C310,C311,C314 C-CERAMIC,CHIP 2203-007391 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 22 2703-002907 2703-002953 L122,L124 INDUCTOR-SMD L501 INDUCTOR-SMD 2703-003485 L300,L301 INDUCTOR-SMD 2703-003686 2703-003698 L103 INDUCTOR-SMD L406 INDUCTOR-SMD 2703-003878 OSC300 CRYSTAL-UNIT 2801-004551 2801-004589 OSC102 CRYSTAL-UNIT TCX100 OSCILLATOR-VCTCXO 2809-001351 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 23 3711-007312 3712-001348 ANT100,ANT101,ANT102 CONNECTOR ANT103,MOT600,MOT601 CONNECTOR 3712-001348 SPK400,SPK401 CONNECTOR 3712-001348 3722-003065 IFC600 JACK-PHONE GH80-03320A R100 PB-SHORT-1005 GH80-03321A R223 PB-SHORT-0603 RES-Z0603-S R104,R126 RES-Z0603-SHORT-P RES-Z1005-S R235,R300 RES-Z1005-SHORT-P SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 24: Level 2 Repair

    1) Be care of damage to Connectors, Cam and 3. 1) Be care of scratch and molding damage. 5phi Earjack 2) Be care of damage to FPCB. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 25 2) Unlock the Cam Connector then separate Cam module. （ Caution （ Caution 1) Be care of damage to FPCB. 1) Be care of damage to FPCB. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 26 （ Caution 1) Be care of damage to F-CPB and LCD. 1) Be care of damage the FPCB. 2) Be care of scratch and molding damage. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 27 1) Screw 6 points.(1.2 kg/force) （ Caution （ Caution 1) Be care of scratch and molding damage. 1) Be care of scratch and molding damage. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 28: Level 3 Repair

    8. Level 3 Repair 8-1. Block Diagram <GT-S5750E Block Diagram> oneNAND 2Gb SDR Flash Flash LED SDRAM Driver SD CARD EARPHONE u-USB Switch SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 29 Level 3 Repair 8-2. PCB Diagrams 8-2-1. Top SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 30 ZD603 C609 R300 BTC600 F500 F502 F504 R223 R226 BH600 BH6 0 C505 C506 SPK401 L511 L509 RFS100 L508 L510 SPK400 R100 C105 L126 C106 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 31: Chart Of Troubleshooting

    （ presetting methods for checking TP - GND & TP(exp. VBAT= C100, C149 ) using Oscilloscope - look over the coming out signal. Oscilloscope TP (Test Point) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 32 - EX) to look up the TP, shunt Cap. - if checking the GND, you can listen "beep" if checking the Signal, you can't listen it. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 33 VCORE_1.2V(C312)=1.2V? VBBD_2.9V(C319)=2.9V? VRF_VDD_DIG_1.8V(C332)=1.8V? VMEM_1.8V(C313)=1.8V? VSIM_3.0V(C336)=3.0V? VDDAUX1_2.9V(C333)=2.9V? VANLG2_3.0V(C334)=3.0V? VCXOPWR_2.8V(320)=2.8V? Check the clock generation circuit Check the clock TCX100 C1032 = 26Mhz ? Check the initial operation SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 34 EGSM_RX+ SPI1_DATA 3G_SBDT TP118 3G_SBCK EGSM_RX- SPI1_CLK SPI1_LE 3G_SBST USGSM_RX+ TP120 SBDT USGSM_RX- SPI2_DATA_TB0_SCOUT TP121 SBCK SPI2_CLK DCS|PCS_TX SPI2_LE_TB1 SBST US|EGSM_TX APGIO2 GSM_TX_VCTRL GSM_PA_VCTRL R126 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 35 Level 3 Repair SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 36 F500, F503, F500, F503, F504, HDC500 F504, HDC500 , Resolder Correctly moun ted? C500 Replace U500 & LED+_18=18V? Check neighboring circuits Replace LCD SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 37 42 42 41 41 F500 OUT4 LCDRS LCD_RS C503 OUT1 LD(0) LCD_D(0) IN2 2 OUT2 LD(1) LCD_D(1) OUT3 LD(2) LCD_D(2) OUT4 LD(3) LCD_D(3) GND GND 8-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 38 Level 3 Repair VBAT_3.8V D500 LED_P_18V C500 U500 L501 C501 VOUT CTRL LCD_BL_EN C504 R501 LED_N R502 8-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 39 Level 3 Repair 8-3-3. TSP Operate TSP TSP is Connect Reconnecting TSP ed well? Change TSP Module TSP works well? Change main PBA 8-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 40 Signal on in Resolder L407,L409 L407, L409? Resolder L408,L410 L408, L410? Signal on in Resolder C309, C310 C309, C310? Replace U301 Change main PBA 8-13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 41 Level 3 Repair SPK400 L408 SPK_P L407 SPK401 SPK_N L409 L410 C415 C416 ZD403 ZD402 8-14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 42 LCLDO VSIM_3.0V SIMLDO VBBD_2.9V IOLDO C337 C336 C325 C320 C321 C322 C323 C324 C326 C331 C327 C328 C329 C330 C332 C333 C334 C319 C335 8-15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 43 Level 3 Repair  Receiver Operate Receiver Check Receiver Reconnecting Connecting Receiver break Change Receiver down? Module Change main PBA 8-16 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 44 Operate MIC MIC Hole is Clean up MIC hole Pollute? Check Change MIC C505 = High? Check Change MIC_SWITCH C506 = High? Change PBA 8-17 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 45 Level 3 Repair MIC_BIAS HDC501 L508 KEY_COL(1) KEY_ROW(2) MAIN_MIC_P L509 L510 KEY_ROW(1) KEY_ROW(0) NCNC L511 11 12 13 14 C505 C506 8-18 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 46 L400 Resolder L500 SPK not Signal on Check L403, L405, works? C401,C402? HDC400 Signal on Check R302, R303, C309, C310? U301 Change Main PBA 8-19 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 47 R400 C417 FM_ANT EARSPK_L L405 L406 VGND C401 C402 R401 ZD405 ZD406 AUXMIC_BIAS R402 C404 R403 C408 EARMIC_P EAR_MIC_P C410 EAR_MIC_N C418 C411 C421 8-20 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 48 ONKEY MSLDO2 PWRONB TEST1 RFLDO1 TEST2 C318 RFLDO2 LCLDO SIMLDO IOLDO C337 C325 C324 C326 C331 C332 C333 C327 C328 C329 C330 C334 C335 8-21 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 49 Level 3 Repair 8-22 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 50 8-3-5. KEY Working  Volume KEY Press Volume Key All keys Change Key TAP doesn't work? Change TAP Any key NG? Change Main PBA 8-23 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 51: Main Key

    Check power key button on rear case doesn't works? 3key button Change 3Key FPCB doesn't works Check L508, L509, L510, L511 3key FPCB connect correctly 8-24 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 52 Level 3 Repair MIC_BIAS HDC501 L508 KEY_COL(1) KEY_ROW(2) MAIN_MIC_P L509 L510 KEY_ROW(1) KEY_ROW(0) NCNC L511 11 12 13 14 C505 C506 8-25 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 53 Vibrator connector Reconnecting is connected correctly? Check PMIC (U301) 3.0V_VIB (C329) = 3V? Change Motor C604,C606 = 3V? Resolder C604, C606 Change Main PBA 8-26 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 54 LCLDO VSIM_3.0V SIMLDO VBBD_2.9V IOLDO C337 C336 C325 C320 C321 C322 C323 C324 C326 C331 C327 C328 C329 C330 C332 C333 C334 C319 C335 8-27 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 55 Change CD300 break down? 12th Pin of CD300 Change CD300 = High? 4th Pin of CD300 Check U301(PMIC) = 3.0V ? Change Main PBA 8-28 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 56 Level 3 Repair VDDAUX1_2.9V SD_3.0V R307 CD300 SD_DATA2 DAT2 SD_DATA3 DAT3|CD SD_CMD SD_CLK SD_DATA0 DAT0 SD_DATA1 DAT1 COMMON DETECT_SD C342 8-29 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 57 8-3-8. SIM Card Insert & Operate SIM card SIM Soket Change SIM Soket (SIM300) Break down? Check PMIC (U301) C341 = 2.9V? Change PBA 8-30 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 58 Level 3 Repair VSIM_3.0V R306 SIM300 SIMRST SIMCLK SIMIO C340 C338 C339 C341 8-31 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 59 Camera FPCB con nector is correctly correctly connect connecting? Check power C509 = 2.8V, Change U301(PMIC) / PBA C510 = 1.8V C512 = 2.8V Replace CAMERA 8-32 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 60 CAM_RST TP505 15 15 16 16 3M_STANDBY 17 17 18 18 19 19 20 20 MSCL MSDA C514 22 23 C509 C510 C512 C516 8-33 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 61 2. Connetion Type : select Auto(GSM), BLER(GPRS) 3. BCH Parameter : select measuring band (DCS or EGSM) 4. Cell power : -60dBm (Tx setting) 8-34 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 62 - spectrum analyzer : testing method = the way using an Osciliscope - 8960 : connect using RF Cable between 8960 & RF Connector in board. 8-4-1. GSM850 RX 8-35 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 63 Check the voltage Put more lead solder each terminal PAM100 @ C107 3.0V ? Does Phone catch Back to Replace Board(PBA) the GSM850 network? previous step 8-36 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 64 Check the voltage Put more lead solder PAM100 @C107 3.0V ? each terminal Does Phone catch Back to Replace Board(PBA) the GSM900 network? previous step 8-37 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 65 Check the voltage Put more lead solder PAM100 @C107 3.0V ? each terminal Does Phone catch Back to Replace Board(PBA) the DCS network? previous step 8-38 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 66 Check the voltage Put more lead solder PAM100 @C107 3.0V ? each terminal Does Phone catch Back to Replace Board(PBA) the PCS network? previous step 8-39 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 67 Check the voltage Put more lead solder PAM100 @C107 3.0V ? each terminal Back to Does Phone catch Replace Board(PBA) previous step WCDMA900 network? 8-40 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 68 Check the voltage Put more lead solder PAM100 @C107 3.0V ? each terminal Back to Does Phone catch Replace Board(PBA) WCDMA2100 network? previous step 8-41 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 69 C1006 GSM850_RX_P TX_HB_IN TX_LB_IN L124 C1007 GSM850_RX_N F102 C132 UMTS900_RX1 C134 L109 UMTS900_RX2 C1017 F103 RX 1 C140 L112 UMTS2100_RX1 L113 UMTS2100_RX2 C1024 C144 8-42 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 70 Level 3 Repair 8-43 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 71 Check TCXO CLOCK Put more lead solder @C1032=26MHz? each terminal Back to Can Phone make a call Replace Board(PBA) GSM network? previous step 8-44 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 72 Check TCXO CLOCK Put more lead solder @C1032=26MHz? each terminal Back to Can Phone make a call Replace Board(PBA) DCS/PCS network? previous step 8-45 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 73 Check TCXO CLOCK Put more lead solder @C1032=26MHz? each terminal Back to Can Phone make a call Replace Board(PBA) WCDMA900 network? previous step 8-46 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 74 Check TCXO CLOCK Put more lead solder @C1032=26MHz? each terminal Back to Can Phone make a call Replace Board(PBA) WCDMA2100 network? previous step 8-47 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 75 WCDMA_HBB_RX- C180 WCDMA_TX_LB U104 UMTS900_RX1 WCDMA_LB_RX+ UMTS900_RX2 WCDMA_LB_RX- PCS_RX- PCS_RX+ DCS_RX- DCS_RX+ EGSM_RX+ EGSM_RX- USGSM_RX+ USGSM_RX- DCS|PCS_TX US|EGSM_TX C198 C199 L123 TX_HB_IN C1038 TX_LB_IN 8-48 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 76 RX 1 C140 L112 WCDMA_TX1 RFIN RFOUT UMTS2100_RX1 L113 PA_VCTRL2 PA_VCTRL1 VMODE C1024 UMTS2100_RX2 C1025 PA_VREF1 C144 C1026 C1027 C1012 C1028 C1029 R127 R128 8-49 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 77 Level 3 Repair 8-50 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 78 Check the connection Put more lead solder C417 each terminal Can you turn on Back to Replace Board(PBA) and search channel? previous step 8-51 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 79 TP122 REGPU TP124 GPS_RFIN RST_N L120 OUT 4 GPS_RFIP REF_CAP C194 CAL_REQ HDC400 10 10 12 12 11 11 C417 FM_ANT L406 VGND R401 8-52 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 80 Level 3 Repair 8-53 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 81 Put more lead solder C145 each terminal Put more lead solder @ C148=2.9V? each terminal Can it Bluetooth Back to Replace Board(PBA) activating & searching? previous step 8-54 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 82 PCM_SYNC D_GPIO_3 UART_RXD UART_RXD UART_TXD BT_WAKE GPIO_0 UART_TXD UART_CTS BT_HOST_WAKE GPIO_1 UART_CTS_N UART_RTS U105 GPIO_5 UART_RTS_N COEX2 COEX_IN XTALN COEX0 COEX OUT0 XTALP GCALA 8-55 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 83 Level 3 Repair 8-56 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 84 Put more lead solder @C196,C197=2.8V? each terminal Check the voltage Put more lead solder @C148=2.9V? each terminal Back to Does GPS work well? Replace Board(PBA) previous step 8-57 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 85 PCM_SYNC D_GPIO_3 UART_RXD UART_RXD UART_TXD BT_WAKE GPIO_0 UART_TXD UART_CTS BT_HOST_WAKE GPIO_1 UART_CTS_N UART_RTS U105 GPIO_5 UART_RTS_N COEX2 COEX_IN XTALN COEX0 COEX OUT0 XTALP GCALA 8-58 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 86 Level 3 Repair 8-59 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 87 Check TCXO CLOCK Put more lead solder @C1010,C1011=26MHz? each terminal Back to Can it wifi Replace Board(PBA) previous step activation & searching? 8-60 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 88 WRF_RFOUTP_A C122 WLAN_TX WRF_RFOUTP_G WRF_AFE_PAD_TEST_IN WRF_AFE_PAD_TEST_IP L134 L104 WRF_AFE_PAD_TEST_ON WRF_AFE_PAD_TEST_OP WRF_AFE_PAD_TSSI_A WRF_AFE_PAD_TSSI_G WRF_AFE_PAD_IQADC_VREF R110 WRF_EXTREFIN WRF_RES_EXT BT_REG_ON XTALIN XTALOUT XTAL_PU C1011 VBAT_WIFI_3.8V C133 C1010 8-61 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 89 RF_SW_CTRL_N_2 SR_PALD RF_SW_CTRL_N_3 SR_PNP TR_SW_RX_PU RF_SW_CTRL_P_0 SR_TESTSW TR_SW_BT RF_SW_CTRL_P_2 RF_SW_CTRL_P_3 UART_R UART_T WRF_GPIO_OUT1 U102 WRF_GPIO_OUT2 AMODE_EXT_LNA_GA C120 AMODE_EXT_LNA_P WRF_RFINN_A1_XFMR AMODE_TX_P WRF_RFINN_G1_XFMR WRF_RFINP_A1 GMODE_EXT_LNA_GA C121 8-62 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 90 Level 3 Repair 8-63 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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