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Samsung SGH-X700 Service Manual

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Summary of Contents for Samsung SGH-X700

  • Page 3: Gsm General Specification

    5pcl ~ 19pcl 0pcl ~ 15pcl 0pcl ~ 15pcl Sensit ivit y - 102dBm -102dBm - 100dBm - 100dBm TDMA Mux Cell Radius 35Km 35Km SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 4: Gsm Tx Power Class

    11±5 dBm 8±4dBm 8±4dBm 9±5 dBm 6±4 dBm 6±4 dBm 7±5 dBm 4±4 dBm 4±4 dBm 5±5 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 5: Circuit Description

    LO suppression, quadrature phase error, quadrature amplitude balance and low noise floor specification. Output matching/balun components drive a standard 50 ohms single ended load. SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung ' s authorization...
  • Page 6 PCF50603 to turn PCF50603 on. 3.3V LDO(U700) enables Key LED on. Key LED consists of 12 LEDs. It is controlled by "Key_led_on" signal. SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung ' s authorization...
  • Page 7 YMU762 (melody IC). It has 64 kbyte SC RAM (0.5 Mbit) and 32 kbyte SC program ROM for bootstrap loader in the ARM core. SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung ' s authorization...
  • Page 8 It utilizes 16 bit data bus for communication with the main processor, including bus interface types. SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung ' s authorization...

  • Page 9: Electrical Parts List

    2203-005482 C208 C-CER,CHIP 2203-005482 C209 C-CER,CHIP 2203-005482 C210 C-CER,CHIP 2203-000812 C211 C-CER,CHIP 2203-005482 C212 C-CER,CHIP 2203-005482 C213 C-CER,CHIP 2203-005482 C216 C-CER,CHIP 2203-005482 C217 C-CER,CHIP 2203-005482 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 10 2203-006053 C402 C-TA,CHIP 2404-001394 C403 C-TA,CHIP 2404-001375 C404 C-CER,CHIP 2203-006364 C405 C-CER,CHIP 2203-006708 C406 C-CER,CHIP 2203-006708 C407 C-CER,CHIP 2203-005482 C408 C-CER,CHIP 2203-006257 C409 C-CER,CHIP 2203-000330 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 11 2203-005482 C627 C-CER,CHIP 2203-000438 C628 C-CER,CHIP 2203-005482 C629 C-CER,CHIP 2203-006090 C630 C-CER,CHIP 2203-000254 C631 C-CER,CHIP 2203-005482 C637 C-CER,CHIP 2203-005395 C638 C-CER,CHIP 2203-005052 C639 C-CER,CHIP 2203-005482 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 12 2703-002206 L400 INDUCTOR-SMD 2703-002619 L401 BEAD-SMD 3301-001120 L402 INDUCTOR-SMD 2703-001723 L600 R-CHIP 2007-000070 L601 R-CHIP 2007-000070 L602 R-CHIP 2007-000070 L603 R-CHIP 2007-000070 L604 INDUCTOR-SMD 2703-002313 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 13 2007-000162 R312 R-CHIP 2007-000148 R313 R-CHIP 2007-007538 R314 R-CHIP 2007-000162 R315 R-CHIP 2007-001303 R316 R-CHIP 2007-007139 R317 R-CHIP 2007-000148 R318 R-CHIP 2007-000141 R319 R-CHIP 2007-000141 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 14 2703-002313 R609 R-CHIP 2007-000070 R610 R-CHIP 2007-000140 R611 R-CHIP 2007-000070 R612 R-CHIP 2007-002796 R613 R-CHIP 2007-007573 R614 R-CHIP 2007-007480 R615 R-CHIP 2007-000162 R617 INDUCTOR-SMD 2703-002308 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 15 IC-VOLTAGE COMP. 1202-001068 U602 IC-ANALOG MULTIPLEX 1001-001306 U700 IC-POSI.FIXED REG. 1203-003105 U703 FET-SILICON 0505-001570 U704 IC-DC/DC CONVERTER 1203-003328 U705 C-CER,CHIP 2203-005482 UCP200 IC-COMM. CONTROLLER 1205-002757 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 16 1405-001082 V607 VARISTOR 1405-001082 V608 VARISTOR 1405-001082 V700 VARISTOR 1405-001161 V701 VARISTOR 1405-001161 V702 VARISTOR 1405-001161 ZD501 DIODE-ZENER 0403-001427 ZD502 DIODE-ZENER 0403-001547 ZD603 DIODE-TVS 0406-001203 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 17: Block Diagrams

    5. Block Diagrams 5-1. RF Solution Block Diagram +VDD_RX_TX +VCC_SYN HITACHI METAL ESHS-M090C I/Q OUT FESW1 FESW2 FESW1 DCS/ FESW2 VBAT TQM5004 DATA CLK EN +VDD_RX_TX SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 18: Base Band Solution Block Diagram

    Block Diagrams 5-2. Base Band Solution Block Diagram SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 19 6. PCB Diagrams 6-1. PCB Top Diagram SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 20: Pcb Bottom Diagram

    PCB Diagrams 6-2. PCB Bottom Diagram SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 21: Flow Chart Of Troubleshooting

    Check the +VDD_GSM_CORE circuit = 1.875V? Check for the clock at C124 Check the clock generation circuit (related to TCX100) = 26MHz Check the initial operation SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 22 +VDD_CAM_2V8 GND 50 _REC2 C424 GND 52 NC 54 T400 +VDD_IO_HIGH_2V9 AUX_ON C425 C426 32KHz_DIGIT PON_TX +VDD_IO_LOW_1V8 REF_ON C427 SIMRST SIMCLK MIC_BIAS_2V1 RSTON IT_PMU SIMIO SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 23 Initial Failure TP231 (RSTON) ="H"? Check the circuit related to reset Is U308 pin 4 Check the U308 Check the 16bit data signal & memory CE SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 24 /WER /WEU +VDD_IO_LOW_1V8 CLKBURST CLKO RSTEXTn /RESETR R317 CS1n_RAM _CSU TP308 INTO NC H7 ADVn AVDO _MRSU 3 GND VPPR HA(25) RSTEXTn _RESETO MEMORY U308 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 25 Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 26: Charging Part

    Resolder or replace U502 Check the circuit related to U502 pin 4 = "L"? AUX_ON signal Check the U502 pin 9 Resolder or replace U502 ≒ 4.2V SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 27 USBIN V_EXT_CHARGE R519 IUSB MES_BATT 3 ITERM USBPWR 7 AUX_ON USB_IN CHRG END_OF_CHG CHG_ON R522 C507 ZD501 R520 R523 R521 ZD502 C506 C502 C504 C503 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 28: Sim Part

    Check SIMCLK Signal on Check the Clock pin3 of SIM400 in a few After SIM card insert, Replace PBA SIM400 pin 2 = "H(SIM_RST)"? Check the SIM Card SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 29 +VDD_CAM_2V8 GND 50 _REC2 C424 GND 52 NC 54 T400 +VDD_IO_HIGH_2V9 AUX_ON C425 C426 32KHz_DIGIT PON_TX +VDD_IO_LOW_1V8 REF_ON C427 SIMRST SIMCLK MIC_BIAS_2V1 RSTON IT_PMU SIMIO SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 30: Microphone Part

    C614, C603, C612, C611, C610, etc Check MIC_BIAS Resolder R600, R601, C601, R602, R603 = ' H' ? Check the MIC Replace the MIC 7-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 31 C600 C601 C602 R601 MIC_CP C637 C603 MIC_P R617 C608 C611 C609 C610 R618 C612 MIC600 MIC_N C638 R602 C614 C613 R603 MICROPHONE ZD603 7-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 32: Speaker Part(Melody)

    U300 pin 10, 11 ≒ 1.8V? Resolder U300 (When U300 operate) CN700 pin 23,25 ≒ 1.8V? Resolder CN700 (When U300 operate) Change the Speaker Is Speaker working? 7-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 33 R324 SPOUT2 SPOUT1 VREF C330 C325 C328 C329 C331 C332 AUX_L +VDD_IO_HIGH_2V9 AUX_R U309 MELODY IC 1B0 11 RADIO_L 3 GND AUDIO_SEL1 RADIO_R AUDIO_SEL1 7-13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 34: Key Data Input

    Check the Dome sheet & Key Pad given, is there something on LCD (display)? When one of the keys is Replace the Key FPCB pushed, KBIO signal is OK? 7-14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 35 Flow Chart of Troubleshooting V700 KEY_ROW(0) KEY_ROW(1) KEY_ROW(2) KEY_ROW(3) KEY_COL(4) KEY_COL(3) CN700 KEY_COL(2) KEY_COL(1) V702 +VDD_BL_3V3 14 14 +VDD_BL_3V3 KEY_COL(0) ONKEYN 18 18 KEY_ROW(4) V701 7-15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 36: Receiver Part

    Resolder UCP200 or change PBA SPK +,- PAD = 1.5V? Check the soldering of the Modify the speaker wire soldering spaeaker contacts Replace the Speaker Is Receiver working? 7-16 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 37 AUXMICP C218 +VDD_IO_HIGH_2V9 C219 +VDD_IO_LOW_1V8 R203 GPIOA24 AMP_EN R204 R205 DAI & Bluetooth data Interface GPIOA25 EAR_EN GPIOA26 END_OF_CHG V600 RCV_P RCV600 RCV_N V601 7-17 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 38: Back Light (For Lcd )

    Set LCD Contrast on high level Resolder U704 U704 pin 1 = 7V ? Resolder R704 U704 PIN 4 = Replace the LCD Module 7-18 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 39: Key Back Light

    Flow Chart of Troubleshooting 7-10. Key Back Light Main Key LED does not work Check the U700 related to U700 pin1 = H ? "+VDD_BL_3V3" 7-19 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 40: Camera Part

    CN705 pin 5 = H ? Resolder R702 Check U302(pin2, pin4) related to R315 = 26MHz? 26Mhz and R315 Is there another problem? Replace the camera module 7-20 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 41 C323 CVDD Y(0:7) CVDD +VDD_GSM_CORE_1V875 Y(0) CVDD Y(1) Y(2) Y(3) C324 Y(4) Y(5) Y(6) Y(7) +VDD_SLEEP_2V8 +VDD_SLEEP_2V8 U302 R313 C320 26M_CLK R315 R316 26M_DIGIT 7-21 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 42: Gsm Receiver

    Check & Resolder U102 pin 7.8.9.10 Check U102 pin U102, R102, R103 >= 1V 23,26,31 >=2.7V RF26MHz, RF PSU Part Resolder U102 Check U200 7-22 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 43: Gsm Transmitter

    Check U102 U102 pin 6,7,8,9 pin23, 26, 31 Resolder U102 >= 1V >=2.7V Check & Resolder RFLO signal, RF13MHz, RF PSU Part Check U200 7-23 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 44: Dcs Receiver

    Check & Resolder U102 pin 7.8.9.10 Check U102 pin U102, R102, R103 >= 1V 23,26,31 >=2.7V RF26MHz, RF PSU Part Resolder U102 Check U200 7-24 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 45: Dcs Transmitter

    Check U102 U102 pin 6,7,8,9 pin23, 26, 31 Resolder U102 >= 1V >=2.7V Check & Resolder RFLO signal, RF13MHz, RF PSU Part Check U200 7-25 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 46: Pcs Receiver

    Check & Resolder U102 pin 7.8.9.10 Check U102 pin U102, R102, R103 >= 1V 23,26,31 >=2.7V RF26MHz, RF PSU Part Resolder U102 Check U200 7-26 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 47: Pcs Transmitter

    Check U102 U102 pin 6,7,8,9 pin23, 26, 31 Resolder U102 >= 1V >=2.7V Check & Resolder RFLO signal, RF13MHz, RF PSU Part Check U200 7-27 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 48 Flow Chart of Troubleshooting 7-28 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 49 Flow Chart of Troubleshooting 7-29 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 50 Flow Chart of Troubleshooting 7-30 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

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