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

Samsung SGH-Z140 Service Manual

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Summary of Contents for Samsung SGH-Z140

  • Page 3: Gsm General Specification

    (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 with out Samsung's authorization...

  • Page 4: Gsm Tx Power Class

    11±3 dBm 8±4dBm 8±4dBm 6±4 dBm 9±3dBm 6±4 dBm 4±4 dBm 7±3 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 with out 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 with out 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 with out 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 with out 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: Exploded View And Parts List

    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: Parts List

    ¡ ¡ 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: Data Cable

    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

    2203-000233 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 2203-006423 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 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 INDUCTOR- SMD 2703-002267 L205 INDUCTOR- SMD 2703-001750 L206, L209, L210 CORE-F ERRITE 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 2007-000141 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 2007-000775 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 ZD500,Z D707 DIODE-TV S 0406-001200 ZD600,Z D601,Z D709 DIODE-TV S 0406-001197 ZD710,Z D712,Z D717 DIODE-TV S 0406-001197 ZD718,Z D719 DIODE-TV S 0406-001197 ZD720 DIODE-Z ENER 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-Z ENER 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 Quaderature SKYWORKS Murata upconverter SKY77328 RF_ON_TX_ON MQW510A869M 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 with out Samsung's authorization...
  • Page 22 65K STR RFL6200 Bluetooth I 2C Vi brator BlueQ YMU765 64Poly Earset M I C1 / SPK Au dio Receiver,SPK Bloc k M I C SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 23 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 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 with out Samsung's authorization...
  • Page 26 Flow Chart of Troubleshooting Power On SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung's authorization...
  • Page 27 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 with out 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 with out Samsung's authorization...
  • Page 29 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 with out 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 with out Samsung's authorization...
  • Page 31 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 C539 C544 C538 C540 CLOCK VREG_USIM_3.0V SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung's authorization...

  • Page 32: Speaker Part(Melody)

    (When U302 operate) U607 pin 15 Check the circuit related to ¡ Ö Battery Volt ? "SPOUT1/SPOUT2" signal Is Speaker working ? Change the Speaker SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung's authorization...
  • Page 33 D2(1) CLKI YMU_CLK D2(2) D2(3) /IRQ YMU_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 with out Samsung's authorization...

  • Page 34: Microphone Part

    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 with out 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 with out 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 with out 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 with out Samsung's authorization...

  • Page 38: Back Light (For Color Main Lcd)

    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 with out 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 with out Samsung's authorization...

  • Page 40: Camera Part

    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 with out 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 with out Samsung's authorization...

  • Page 42: Gsm Transmitter

    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 with out Samsung's authorization...
  • Page 43 Flow Chart of Troubleshooting 7-19 SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out 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 with out Samsung's authorization...

  • Page 45: Dcs Transmitter

    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 with out Samsung's authorization...
  • Page 46 Flow Chart of Troubleshooting 7-22 SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out 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 with out Samsung's authorization...

  • Page 48: Pcs Transmitter

    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 with out Samsung's authorization...
  • Page 49 Flow Chart of Troubleshooting 7-25 SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung's authorization...

  • Page 50: Wcdma Receiver

    > = -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 with out Samsung's authorization...
  • Page 51 Flow Chart of Troubleshooting 7-27 SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung's authorization...

  • Page 52: Wcdma Transmitter

    > = 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 with out Samsung's authorization...
  • Page 53 Flow Chart of Troubleshooting 7-29 SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out 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 with out 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 with out Samsung's authorization...
  • Page 56 Flow Chart of Troubleshooting 7-32 SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung's authorization...

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