Samsung SGH-Z140 Service Manual
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Samsung SGH-Z140 Service Manual

Samsung SGH-Z140 Service Manual

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UMTS TELEPHONE
UMTS TELEPHONE
SGH-Z140
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CONTENTS

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Summary of Contents for Samsung SGH-Z140

  • Page 1: Table Of Contents

    UMTS TELEPHONE SGH-Z140 CONTENTS UMTS TELEPHONE Specification Circuit Description Exploded Views and Parts List Electrical Parts List Block Diagrams PCB Diagrams Flow Chart of Troubleshooting...
  • Page 2 ⓒ Samsung Electronics Co.,Ltd. September. 2005 This Service Manual is a property of Samsung Electronics Co.,Ltd. Any unauthorized use of Manual can be punished under applicable Printed in Korea. International and/or domestic law. Code No.: GH68-08261A BASIC.

  • Page 3: Specification

    (max +33dBm) (max +30dBm) (max +30dBm) (max + 24dBm) Se nsitivity -10 2dBm -10 0dBm -10 0dBm -1 06.7d Bm TDMA Mux Cell Radiu s 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±3 dBm 8±4dBm 8±4dBm 6±4 dBm 9±3dBm 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 5: Circuit Description

    The dual-band UHF VCO is a key component within its phase-locked loop; VCO performance directly impacts PLL and transceiver performance. GSM/DCS Rx/Tx LO & UMTS Rx LO signal is generated from this dual VCO's output. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 6 4) Transceiver LO generation and distribution circuits - EGSM-900 Rx and Tx - DCS-1800 Rx and Tx - PCS-1900 Rx and Tx - UMTS-2100 Tx SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 7 It is 24-pin connector. They are designed to use VBATT, VF, MSM_TDI, MSM_TDO, MSM_TCK, MSM_TMS, MSM_TRST, MSM_RTCK, RFR, CTS, JIG_ON, USB_VBUS, RXD, TXD, BOOT_SW and GND. They connected to power supply IC, microprocessor and signal processor IC. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 8 512M bits SDRAM memory. It has 16 bit data line, D1[0~15] which is connected to MSM6250. 2-2-5. Camera The camera module consists of VGA pixel of system LSI(Samsung Techwin), 1/5.8" VGA CMOS image sensor with an embedded image signal processor. Pixel size is 4.0 um and effective resolution is 640(H) x 480(V).
  • Page 9 QFU01 QCK01 QLC01 QSP01 QFR01 QMO01 QVO01 QCA01 QHI01 QFL01 QKP01 QCR06 QSC01 QMW02 QME01 QSH01 QMP01 QAN01 QRE01 QRF03 QIF01 QCR04 QSC13 QRF01 QBA01 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 10: Exploded Views And Parts List

    　 MEC-KEYPAD;SGH-Z140,EU,-,-,-,-,BLK,- GH75-07257A QFU01 　 MEC-FOLDER UPPER V2;SGH-Z140,EU,-,-, GH75-07996A 　 QLB02 MEC-SUB LCD BRACKET V2;SGH-Z140,EU,- GH75-08025A QAN01 ANTENNA-SGHZ140;HFP-01502-0000AA,SGH GH42-00562A 　 QRE01 　 MEC-REAR COVER;SGH-Z140,EU,-,-,-,-,B GH75-07182A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 11 MPR-BOHO VINYL IF;SGH-E720,#950,85X1 GH74-13606A MPR-BOHO VINYL F/UP 2;SGH-Z140,ST-55 GH74-15134A MPR-BOHO VINYL M/WIN 1;SGH-Z140,ST-5 GH74-15135A MPR-BOHO VINYL M/WIN 2;SGH-Z140,SP-3 GH74-15136A MPR-BOHO VINYL REAR;SGH-Z140,ST-5543 GH74-15142A MEC-HANGER;SGH-Z500,TMN,STRAP,-,BLK, GH75-03673H SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 12 3-3. Test Jig (GH80-03308A) 3-3-1. RF Test Cable 3-3-2. Test Cable 3-3-3. Serial Cable (GH39-00283A) (GH39-00337E) 3-3-4. Power Supply Cable 3-3-5. DATA CABLE 3-3-6. TC (GH39-00279A) (GH44-00701A) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 13: Electrical Parts List

    2203-000254 C204,C236,C411 C-TA,CHIP 2404-001225 C205,C207,C211,C232 C-CERAMIC,CHIP 2203-000330 C208,C209,C645,C646 C-CERAMIC,CHIP 2203-000278 C221,C227,C231,C234 C-CERAMIC,CHIP 2203-000233 C222,C225 C-CERAMIC,CHIP 2203-005288 C223,C241,C421,C689 C-CERAMIC,CHIP 2203-000438 C224,C226,C230,C233 C-CERAMIC,CHIP 2203-005482 C228,C242 C-CERAMIC,CHIP 2203-000679 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 14 2203-005138 C502,C506,C511,C514 C-CERAMIC,CHIP 2203-006423 C508,C516,C530,C532 C-CERAMIC,CHIP 2203-006093 C509 C-CERAMIC,CHIP 2203-005736 C515,C549,C550,C551 C-CERAMIC,CHIP 2203-006423 C518,C522,C523,C546 C-CERAMIC,CHIP 2203-006208 C521,C526,C529,C531 C-CERAMIC,CHIP 2203-006344 C528,C560,C577 C-CERAMIC,CHIP 2203-006201 C533 C-CERAMIC,CHIP 2203-006344 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 15: C-Ceramic,Chip

    2203-000438 C698,C699 C-CERAMIC,CHIP 2203-005481 C701 C-TA,CHIP 2404-001268 C708 C-CERAMIC,CHIP 2203-000254 C709,C715,C727 C-CERAMIC,CHIP 2203-005482 C710,C711 C-CERAMIC,CHIP 2203-006093 C721 C-CERAMIC,CHIP 2203-006423 C722,C723,C724 C-CERAMIC,CHIP 2203-000386 C730,C731 C-CERAMIC,CHIP 2203-000386 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 16 L128 INDUCTOR-SMD 2703-002369 L201 INDUCTOR-SMD 2703-002198 L202 INDUCTOR-SMD 2703-002205 L203 INDUCTOR-SMD 2703-002267 L205 INDUCTOR-SMD 2703-001750 L206,L209,L210 CORE-FERRITE BEAD 3301-001729 L207,L208,L211 INDUCTOR-SMD 2703-002368 L501,L502 INDUCTOR-SMD 2703-002782 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 17 2007-000173 R202,R210,R211 R-CHIP 2007-000138 R204 R-CHIP 2007-000141 R209,R505 R-CHIP 2007-001298 R216 R-CHIP 2007-007001 R217 R-CHIP 2007-000146 R307,R309,R324,R336 R-CHIP 2007-008542 R310 R-CHIP 2007-007135 R313 R-CHIP 2007-000137 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 18 2007-000171 R643 R-CHIP 2007-000159 R644,R645 R-CHIP 2007-000775 R646,R647 R-CHIP 2007-007529 R652,R653,R659,R710 R-CHIP 2007-000171 R702,R705,R706 R-CHIP 2007-008542 R701,R703 R-CHIP 2007-008419 R704 R-CHIP 2007-008045 R709 R-CHIP 2007-007139 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 19 U615 FILTER-EMI SMD 2901-001294 X300 RESONATOR-CERAMIC 2802-001182 ZD406 DIODE-ZENER 0403-001387 ZD500,ZD707 DIODE-TVS 0406-001200 ZD600,ZD601,ZD709 DIODE-TVS 0406-001197 ZD710,ZD712,ZD717 DIODE-TVS 0406-001197 ZD718,ZD719 DIODE-TVS 0406-001197 ZD720 DIODE-ZENER 0403-001427 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 20 Electrical Parts List Design LOC Description SEC CODE ZD721 DIODE-ZENER 0403-001411 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 21: Block Diagrams

    GSM PAM GSM TX VCO down converter SKYWORKS Quaderature Murata SKY77328 upconverter MQW510A869M RF_ON_TX_ON GSM_PA_BAND from MSM GSM_VCO_EN_N GSM_PA_PWR_SV from MSM DCS_VCO_EN_N GSM_PA_PWR_CTL from MSM SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 22 RF Block 1.07" RTR6250 96x96 RFR6200 65K STR RFL6200 Bluetooth BlueQ Vi brator YMU765 64Poly Earset M IC1 /SPK Au dio Receiver,SPK Block M IC SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 23: Pcb Diagrams

    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 24: 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 25: Flow Chart Of Troubleshooting

    C523(VREG_MSMA) = 2.8V? C515(VREG_TCXO) = 2.8V? Check for the clock at C422= 19.2MHz Check the clock generation circuit (related to OSC200) Check the initial operation SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 26 Flow Chart of Troubleshooting Power On SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 27 OUT 7 3 IN D2(14) 33 33 34 34 4 IN OUT 8 D2(15) 38 38 C610 C611 SPK_N C701 C617 C616 SPK_P C620 C621 D700 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 28 Flow Chart of Troubleshooting VREG_MSMP_2.6V R302 R303 RESET_N TP301 R307 SLCD_RESET W_DOG W_DOG R308 MODE0 MODE1 MODE1 R309 MODE2 TCXO_OUT SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 29 Flow Chart of Troubleshooting 7-2. Initial Initial Failure U500 (PON_RESET_N) ="H"? Check the PMIC Is CN701 pin 14, 28 Check the LCD RESET Circuit (LCD RESET) OK? SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 30: Sim Part

    Check SIM_CLK Signal on Check the 32KHz OSC TP506 in a few second After SIM card insert, Replace PBA TP507 = "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 31 RUIM_CLK TP507 40 RUIM_M_RST SIM_RST 43 RUIM_RST 47 SBDT PMIC_SBDT SBCK PMIC_SBCK 51 SBST PMIC_SBST TP508 MSM_INT_N PM_INT_N ZD500 C538 C540 C539 C544 CLOCK VREG_USIM_3.0V SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 32 Resolder U301 (When U302 operate) U607 pin 15 Check the circuit related to ≒ Battery Volt ? "SPOUT1/SPOUT2" signal Is Speaker working? Change the Speaker SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 33 D2(0) D2(1) YMU_CLK CLKI D2(2) D2(3) YMU_IRQ /IRQ D2(4) U607 R634 YMU_RESET /RST D2(5) D2(6) PLLC D2(7) SPOUT2 SPOUT2 VREF SPOUT1 SPOUT1 VBATT_4.2V MEL_L MEL_R SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 34: Microphone Part

    MIC Resolder the R603, R605, R610, R615, C643, Check the circuit from U301 to MIC C644, and C641 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 35 ** Placed by Modem R603 C630 R605 C631 C632 C637 MIC+ MIC1P C641 MIC_P C643 C644 C646 C647 MIC_N MIC1N R610 C653 C654 C656 R615 7-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 36: Key Data Input

    Check the Dome sheet & Key Pad pushed, is it displayed on LCD? When one of the keys is Replace the PBA pushed, KEY_IO signal is OK? 7-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 37: Receiver Part

    U605 pin 10(AUDIO_SW3) = Replace U301 "L"? Check the soldering of the Modify the speaker wire soldering speaker wire Replace the Receiver Is Receiver working? 7-13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 38 Backlight does not work Is BACKLIGHT set Set BACKLIGHT on AlwaysON AlwaysON in the Menu? Replace or Resolder L703 L703 = 2.8V? Replace the LCD Module 7-14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 39: Key Back Light

    7-9. Key Back Light Key Backlight does not work Is BACKLIGHT set Set BACKLIGHT on AlwaysON AlwaysON in the Menu? L706 = 3.3V ? Replace U302 7-15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 40: Camera Part

    C571 = 1.8V? Check the voltage of U501, U502 C575 = 2.8V? R711 = 24MHz? Replace U301 Is there another problem? Replace the camera module 7-16 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 41: Gsm Receiver

    RF input : CH center freq +67.7kHz Amp : -50dBm C114 Resolder U103(ASM) >= -60dBm L107 Resolder F100 >= -65dBm (GSM SAW) Resolder U101 (RTR6250) 7-17 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 42: Gsm Transmitter

    (PAM) OSC101(TXVCO) Resolder OSC101 pin1 (TXVCO) >= 2dBm U102(PAM) pin11 Resolder U102(PAM) >= 20dBm U103(ASM) Resolder U103 pin22 (ASM) >= 25dBm Check U301 (MSM6250) 7-18 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 43 Flow Chart of Troubleshooting 7-19 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 44: Dcs Receiver

    RF input : CH center freq +67.7kHz Amp : -50dBm C123 Resolder U103(ASM) >= -60dBm L116 Resolder F101 >= -65dBm (DCS SAW) Resolder U101 (RTR6250) 7-20 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 45: Dcs Transmitter

    (PAM) OSC101(TXVCO) Resolder OSC101 pin5 (TXVCO) >= 2dBm U102(PAM) pin15 Resolder U102(PAM) >= 15dBm U103(ASM) Resolder U103 pin22 (ASM) >= 20dBm Check U301 (MSM6250) 7-21 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 46 Flow Chart of Troubleshooting 7-22 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 47: Pcs Receiver

    RF input : CH center freq +67.7kHz Amp : -50dBm C129 Resolder U103(ASM) >= -60dBm L121 Resolder F102 >= -65dBm (PCS SAW) Resolder U101 (RTR6250) 7-23 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 48: Pcs Transmitter

    (PAM) OSC101(TXVCO) Resolder OSC101 pin5 (TXVCO) >= 2dBm U102(PAM) pin15 Resolder U102(PAM) >= 15dBm U103(ASM) Resolder U103 pin22 (ASM) >= 20dBm Check U301 (MSM6250) 7-24 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 49 Flow Chart of Troubleshooting 7-25 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 50: Wcdma Receiver

    C211 Resolder F203 >= -65dBm (DPLX) C207 Check & Resolder U200 >= -55dBm (RFL6200) L203 Resolder F200 >= -60dBm (WRX SAW) Resolder U203 (RFR6200) 7-26 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 51 Flow Chart of Troubleshooting 7-27 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 52: Wcdma Transmitter

    MIS201( Iso.) pin2 Resolder MIS201 >= 20dBm ( Iso.) C205 Check & Resolder F203 >= 20dBm (DPLX) Check & Resolder U203 C104 (ASM) >= 20dBm 7-28 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 53 Flow Chart of Troubleshooting 7-29 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 54 Flow Chart of Troubleshooting Transmitter 7-30 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 55 Flow Chart of Troubleshooting WCDMA Part 7-31 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 56 Flow Chart of Troubleshooting 7-32 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

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