1. Manuals
  2. Brands
  3. Samsung Manuals
  4. Cell Phone
  5. SGH-X520
  6. Service manual

Samsung SGH-X520 Service Manual

Gsm telephone
Hide thumbs Also See for SGH-X520:
Table of Contents

Advertisement

Quick Links

Download this manual See also: User Manual
GSM TELEPHONE
SGH-X520
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. Flow Chart of Troubleshooting
10. Reference data

Advertisement

Table of Contents
loading

Related Manuals for Samsung SGH-X520

Summary of Contents for Samsung SGH-X520

  • Page 1 GSM TELEPHONE SGH-X520 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. Flow Chart of Troubleshooting...

  • Page 2: Table Of Contents

    Contents 1. Safety Precautions 1-1. Repair Precaution ................1-1 1-2. ESD(Electrostatically Sensitive Devices) Precaution ......1-2 2. Specification 2-1. GSM General Specification ..............2-1 2-2. GSM TX power Level ..............2-2 3. Product Function 4. Array course control 4-1. Downloading Binary Files .............4-2 4-2. Pre-requsite for Downloading ............4-2 4-3.
  • Page 3 Contents 9. Flow Chart of Troubleshooting 9-1. Baseband ................9-1 9-1-1. Power ON ................9-1 9-1-2. Initial ................9-4 9-1-3. SIM Part ................9-6 9-1-4. Microphone Part ..............9-7 9-1-5. Speaker Part_1(MP3, SPEAKER PHONE) ........9-8 9-1-6. Speaker Part_2(RECEIVER) ..........9-10 9-1-7. Charging Part ..............9-11 9-2. RF ..................9-13 9-2-1.

  • Page 4: 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 5: Esd(Electrostatically Sensitive Devices) Precaution

    ● 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 6: Specification

    2. Specification 2-1. GSM General Specification G SM900 EG SM 900 DCS1 800 PCS190 0 Pha se 1 Phase 2 Phase 1 Freq. Band[MHz] 890~915 880~915 1710~1785 1850~1910 Uplink/Downlink 935~960 925~960 1805~1880 1930~1990 ARFCN range 1~124 0~124 & 975~1023 512~885 512~810 Tx/Rx spacing 45 MHz...

  • Page 7: Gsm Tx Power Class

    Speclflcation 2-2. GSM Tx Power Class TX Power TX Power TX Power GSM900 DCS1800 PCS1900 control level control level control level 33±2 dBm 30±3 dBm 30±3 dBm 31±2 dBm 28±3 dBm 28±3 dBm 29±2 dBm 26±3 dBm 26±3 dBm 27±2 dBm 24±3 dBm 24±3 dBm 25±2 dBm...

  • Page 8: Product Function

    3. Product Function Main Function -Camera -Web browser -File viewer -Java -Multimedia Message Service(MMS) -E-mail SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 9: Array Course Control

    4. Array course control Test Jig (GH80-00865A) Test Cable (GH39-00127A) RF Test Cable (GH39-00397A) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 10: Downloading Binary Files

    •Swift Model firmware is composed of 2 files –*.s3 : Main source code binary. 4-2. Prerequisite •Downloader program(Optiflash.exe) •X520 Moblie Phone •Data Cable •Binary Files SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 11: S/W Downloader Program

    -> “Settings” -> “Generic” -> “Specify hardware platform”. Choose hardware platform for the downloader file setting. Set the everything else as the default values which are shown below SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 12 OptiFlash will use to communicate with the phone. However, Optiflash will use a slower speed if either the PC’s or the phone’s serial hardware is incapable of handling the selected speed. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 13 Set the directory path and choose the latest S/W binary, for example "gsmstack.s3", for the downloader binary setting. And Check "Reserved Memory Regions" - 0x00008000 - 0x0001ffff 5. 1st. Press “Flash”. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 14 8. Confirm the downloaded version name by key-string( *#1234# Memory reset will be done by pressing the following key-strings. Full Reset : “ *2767*3855# ” will reboot the phone automatically. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 15: Exploded View And Parts List

    QME03 QIF02 QLC01 QVO01 QCA01 QSP01 QMO01 QKP01 QFL01 QHI01 QMP01 QMW01 QCR05 QAN02 QSC05 QME01 QMI03 QMI04 QAN02 QRE01 QIF01 QRF01 QBA01 QCR05 QBA00 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 16: Cellular Phone Parts List

    ASSY CASE-FOLDER LOWER GH98-02438A 　 QHI01 ASSY MEC-HINGE GH75-09605A 　 QFR01 ASSY CASE-FRONT GH98-02439A 　 QRF03 PMO-COVER EAR GH72-33603A 　 QVO01 PMO-KEY VOLUME GH72-33605A 　 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 17 GH74-19127A MPR-TAPE FRONT FPCB MASKING GH74-26099A MPR-TAPE COVER WINDOW LCD MAIN GH74-26134A MPR-TAPE,24.3X3XT0.05,TESA4965 GH74-26547A MPR-TAPE GH74-27383A MPR-SPONGE INTENNA GH74-27720A MPR-INSU TAPE GH74-28241A MPR-INSU TAPE GH74-28980A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 18: Disassembly

    A TOOL. ※ caution ※ caution 1. BE CAREFUL NOT TO DAMAGE THE LCD 1. BE CAREFUL NOT TO MAKE SCRATCH ON THE CASE. CONNECTOR. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 19 2) SEPERATE SCREWS IN RED CIRCLES. FRONT CASE. ※ caution 1. BE CAREFUL NOT TO MAKE SCRATCH ON ※ caution 1. BE CAREFUL NOT TO TEAR LCD FPCB. CASE. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 20 1) SEPERATE THE LCD FPCB FROM FOLDER ※ caution LOWER. 1. BE CAREFUL NOT TO DAMAGE THE ※ caution SPEAKER. 1. BE CAREFUL NOT TO TEAR THE LCD FPCB. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 21 2) SEPERATE THE LCD CONNECTOR. ※ caution 1. BE CAREFUL NOT TO DAMAGE THE PARTS OF LCD. 2. BE CAREFUL NOT TO DAMAGE LCD CONNECTOR. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 22: Assembly

    WITH THE ALIEN SUBSTANCE OR DUST.. ※ caution 2. BE CAREFUL NOT TO TEAR THE CAMERA 1. BE CAREFUL NOT TO MAKE SCRATCH ON CASE. FPCB. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 23 1. BE CAREFUL NOT TO DAMAGE THE PARTS ※ caution 1. BE CAREFUL NOT TO MAKE SCRATCH ON OF PBA.2. BE CAREFUL NOT TO MAKE SCRATCH ON THE CASE. THE CASE. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 24 Exploded View and Parts List 1) ASSEMBLE THE IF COVER INTO THE REAR CASE WITH TWEEZERS. ※ caution 1. BE CAREFUL NOT TO MAKE SCRATCH ON THE CASE. 5-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 25: Main Electrical Parts List

    VARISTOR 1405-001082 VR314 VARISTOR 1405-001082 VR315 VARISTOR 1405-001082 VR316 VARISTOR 1405-001082 VR317 VARISTOR 2007-000140 R305 R-CHIP 2007-000140 R306 R-CHIP 2007-000140 R307 R-CHIP 2007-000140 R308 R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 26 R-CHIP 2007-000171 R367 R-CHIP 2007-000171 R403 R-CHIP 2007-000171 R405 R-CHIP 2007-000172 R200 R-CHIP 2007-000172 R201 R-CHIP 2007-000242 R330 R-CHIP 2007-000242 R336 R-CHIP 2007-000242 R337 R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 27 R-CHIP 2007-008531 R315 R-CHIP 2007-009160 R123 R-CHIP 2007-009212 R316 R-CHIP 2007-009212 R317 R-CHIP 2007-009212 R318 R-CHIP 2007-009212 R319 R-CHIP 2203-000189 C224 C-CER,CHIP 2203-000189 C226 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 28 C-CER,CHIP 2203-000679 C200 C-CER,CHIP 2203-000679 C446 C-CER,CHIP 2203-000812 C134 C-CER,CHIP 2203-000812 C361 C-CER,CHIP 2203-000812 C365 C-CER,CHIP 2203-000940 C132 C-CER,CHIP 2203-000995 C370 C-CER,CHIP 2203-000995 C375 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 29 C-CER,CHIP 2203-005682 C420 C-CER,CHIP 2203-005727 C340 C-CER,CHIP 2203-005736 C410 C-CER,CHIP 2203-005736 C411 C-CER,CHIP 2203-005736 C413 C-CER,CHIP 2203-005736 C414 C-CER,CHIP 2203-005792 C409 C-CER,CHIP 2203-005792 C412 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 30 C-CER,CHIP 2203-006260 C207 C-CER,CHIP 2203-006260 C212 C-CER,CHIP 2203-006260 C448 C-CER,CHIP 2203-006260 C450 C-CER,CHIP 2203-006305 C136 C-CER,CHIP 2203-006305 C339 C-CER,CHIP 2203-006318 C404 C-CER,CHIP 2203-006318 C421 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 31 C-CER,CHIP 2203-006626 C305 C-CER,CHIP 2203-006626 C311 C-CER,CHIP 2203-006626 C320 C-CER,CHIP 2203-006648 C427 C-CER,CHIP 2203-006681 C138 C-CER,CHIP 2203-006681 C140 C-CER,CHIP 2203-006681 C141 C-CER,CHIP 2203-006708 C148 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 32 3301-001729 L302 BEAD-SMD 3301-001729 L303 BEAD-SMD 3301-001756 L301 BEAD-SMD 3301-001762 L100 BEAD-SMD 3404-001152 TAC301 SWITCH-TACT 3404-001152 TAC302 SWITCH-TACT 3705-001358 RFS400 CONNECTOR-COAXIAL 3709-001451 SIM100 CONNECTOR-CARD EDGE SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 33 3722-002257 EAR301 JACK-PHONE 4302-001130 BAT100 BATTERY-LI(2ND) GH09-00036A UCP200 IC MICOM-SGHX480 GH13-00036A U102 IC ASIC-SGHX670 GH30-00296A MIC300 MICROPHONE-ASSY GH71-05666A ANT400 NPR-ANTENNA CONTACT GH71-05666A ANT401 NPR-ANTENNA CONTACT SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 34: Block Diagrams

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

  • Page 35: Pcb Diagrams

    CP_TDO CP_TMS ZD303 C136 UCP200 RAMEN ROMEN1 SIM100 UME200 ZD307 TA340 VR300 ZD308 VR302 VR301 BTC300 U105 MIC300 ZD300 IFC300 VBAT SDS_TXD JIG_ON SDS_RXD CN202 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 36 PCB Diagrams U203 MENU R_EN SEND DOWN CLEAR MV3017_INT MV3017_CS PWR_KEEP CLK_32K CP_WEN D(0) A(1) A(2) CP_OEN SHARP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 37: Flow Chart Of Troubleshooting

    Flow Chart of Troubleshooting 1. Baseband 9-1-1. Power ON 'Power ON' does not work check the current consumption Download again >= 100mA Check the Voltage of the Battery Charge the battery >= 3.3V Check the pin C145, Check "Power C146, C148, C149 is On with jig Download again >=2.9V...
  • Page 38 Flow Chart of Troubleshooting UP_CLK N9 SIMCLK UP_RST R10 SIMRST UP_IO P10 SIMDATA SIM_IO J11 SIM_IO VRTC_3V SIM_RST SIM_RST SIM_CLK K14 SIM_CLK VSIM K12 VSIM VRTC H11 LED2_DRV G12 VCCB_2.9V VCCA_2.9V VCCD_2.9V LED1_DRV G13 KEY_BL1 RING_DRV F13 VCCD_1.8V VRF_2.9V VIB_DRV VIB_DRV R112 VLDO_7 C12...

  • Page 39: Initial

    Flow Chart of Troubleshooting 9-1-2. Initial Initial Failure check the pin RSTB Check UCP200 of UCP200 is LOW? Check check the pin CKI of UCP200 is 13Mhz? R403, C430 Check the clock signal check at pin #3 of OSC400 OSC400 Freq=26Mhz? Check the pin #9 of U400 is HIGH and pin #11, #13 is...
  • Page 40 Flow Chart of Troubleshooting C406 VCCD_2.9V VRF_2.9V GSM_PAM_IN C407 DPCS_PAM_IN RF_EN 13M_OUT XOUT PCS_LNA_IN_P RFIPP RTXIP 7 BIP RFIPN PCS_LNA_IN_N RTXIN RFIDP DCS_LNA_IN_P U400 RTXQP 5 BQP DCS_LNA_IN_N RFIDN RTXQN 4 BQN GSM_LNA_IN_P RFIEP SERDAT 3 SDIO GSM_LNA_IN_N RFIEN SERLE 2 _SEN RFIAP SERCLK...
  • Page 41 Flow Chart of Troubleshooting VCCD_2.9V VCCD_1.8V VRTC_3V C200 C201 C202 C203 VREF CLK13M_TR TR_RST TRST F15 TR_RST IOBIT#2 CHG_OFF IOBIT#1 DSP_INT INT#0 DSP_IO DSP_RWN DSP_AB(8:0) DSP_AB(8) AB#8 DSP_AB(7) AB#7 DSP_AB(6) AB#6 DSP_AB(5) AB#5 DSP_AB(4) AB#4 DSP_AB(3) AB#3 DSP_AB(2) AB#2 DSP_AB(1) AB#1 DSP_AB(0) DSP_DB(15:0)

  • Page 42: Sim Part

    Flow Chart of Troubleshooting 9-1-3. Sim Part "Insert SIM" is displayed on the LCD Check the U100 The voltage is 2.8V at the pin#1 of SIM100 Is there any signal pin Check the UCP200 & U100 #2,3,4 of SIM100? Check the SIM Card SIM100 VSIM SIM_RST...

  • Page 43: Microphone Part

    Flow Chart of Troubleshooting 9-1-4.Microphone Part * Call with Sim before testing. MicroPhone does not work Check the soldered status Resolder microphone of microphone Check the reference Check voltage on mic path R339,R341,R338,R340,C380,C381,R337, R337 ≒ 2.0V C363,TA304,R332,C362 Is microphone OK? Check U100 VCCA_2.9V...
  • Page 44 Flow Chart of Troubleshooting...

  • Page 45: Speaker Part_2(Receiver)

    Flow Chart of Troubleshooting 9-1-5. Speaker Part There is no sound from speaker Check the connection status reconnect HDC300 of LCD connector HEA101 Are there any signal at the Replace the speaker module speaker pad on LCD PCB? Check R369, R345 of U300. Check U100 Voltage is ≥...
  • Page 46 Flow Chart of Troubleshooting 9-10...

  • Page 47: Lcd Backlight

    Flow Chart of Troubleshooting 9-1-6. LCD backlight Backlight does not work Backlight ON "TIME" Select backlight "15 sec" mode mode in the menu? Check conecting between Check FPCB PBA and LCD conector Check the R9 on the LCD PCB 9-11...
  • Page 48 Flow Chart of Troubleshooting 9-2. RF 9-2-1. GSM Rx CONTINOUS RX ON RF INPUT : 62CH AMP : -50dbm Normal condition Check ANT, C403, C402, C405, R406 catch the channel ? Check U401 Resolder or change pi n 12 ≥ -65 RFS400, L405, L403, C404, L402 dbm ? Check U401...
  • Page 49 Flow Chart of Troubleshooting 9-13...

  • Page 50: Dcs Rx

    Flow Chart of Troubleshooting 9-2-2. DCS Rx CONTINOUS RX ON RF INPUT : 698CH AMP : -50dbm Normal condition Check ANT, C403, C402, C405, R406 catch the channel ? Check U401 Resolder or change pi n 12 ≥ -65 RFS400, L405, L403, C404, L402 dbm ? Check U401 Resolder or change...
  • Page 51 Flow Chart of Troubleshooting 9-15...

  • Page 52: Pcs Rx

    Flow Chart of Troubleshooting 9-2-3. PCS Rx CONTINOUS RX ON RF INPUT : 660CH AMP : -50dbm Normal condition Check ANT, C403, C402, C405, R406 catch the channel ? Check U101 Resolder or change pi n 12 ≥ -65 RFS400, L405, L403, C404, L402 dbm ? Check U101 Resolder or change...
  • Page 53 Flow Chart of Troubleshooting 9-17...
  • Page 54 Flow Chart of Troubleshooting RFS400 ANT400 GSM_PAM_IN R406 L403 C402 L402 C400 C401 L401 VBAT C405 ANT401 C404 C403 L405 GSM850|900TXIN F401 C408 VMOD_EN VMOD_EN C409 BAND_SEL2 5 VBS2 GSM_LNA_IN_N C410 OUT 4 4 VBS1 BAND_SEL1 U401 L407 6 VTX TX_EN C411 8 VRAMP...
  • Page 55 Flow Chart of Troubleshooting 9-2-4. DCS/PCS Tx CONTINUS TX ON CONDITION TX POWER DAC : 560 CODE Check U400 Check U400 APPLIED pin 16 : about Check and change pin 6 : 2.8V ? CH : 698CH(DCS), 660CH(PCS) 2~3 dbm? U100,UCP200 RBW : 100KHz VBW : 100KHz...

  • Page 56: Egsm Tx

    Flow Chart of Troubleshooting 9-2-5. GSM Tx CONTINUS TX ON CONDITION TX POWER DAC : 554 CODE Check and Check U400 Check U400 APPLIED change pin 15 : about pin 6 : 2.8V ? CH : 62ch U100,UCP200 2~3 dbm? RBW : 100KHz VBW : 100KHz SPAN : 10MHz...

  • Page 57: Reference Data

    PS : Pilot Symbol 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 58 ⓒ 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. 2006. 11. Rev.1.0...

Table of Contents