Samsung SGH-A801 Service Manual
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Samsung SGH-A801 Service Manual

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UMTS TELEPHONE
UMTS TELEPHONE
SGH-A801
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  • Page 1: Table Of Contents

    UMTS TELEPHONE SGH-A801 UMTS TELEPHONE CONTENTS Safety Precautions Specification Operation Instruction and Installation Array course control Exploded View/Disassembly and Assembly Instructions MAIN Electrical Parts List Block Diagrams PCB Diagrams Flow Chart of Troubleshooting 10. Reference data...
  • 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. 2007. 05. Rev.1.0...

  • Page 3: 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 4 ● 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 5: 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 6: Gsm Tx Power Class

    11±3 dBm 8±4dBm 8±4dBm 9±3dBm 6±4 dBm 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 7: Operation Instruction And Installation

    ▪ External Memory Card Socket( T-flash ) ▪ GSM 900MHz & DCS1800MHz & 1900MHz & WCDMA 2100 ▪ GPRS Class 10 ▪ EGPRS Class E2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 8 Product Function SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 9: Array Course Control

    2. RF test cable: RF test 3. Test cable: JIG to phone 4. TA (Travel Adaptor) 5. Data Link Cable : USB cable 6. Serial cable: PC to JIG SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 10: Software Downloading

    – FactoryFS_A801_ ○○○ .ffs : Default file system to be put into in initial production 4-2-2. Pre-requsite for Downloading • Downloader Program( FastMultiLoader V3.28.exe • SGH-A801 Mobile Phone • USB Data Link Cable • Binary files SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 11 2. Load the binary download program by executing the “FastMultiLoader V3.28.exe”. then Check the SMP6280. 3. Select the check box what you want to download. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 12 Array course control 4. Select the binary file what you want to download 5. Now press the button ‘Port Search’ SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 13 6. Now press the button ‘Download’ 7. When downloading is complete, UE reboot automatically. - If there is difference in FactoryFs.bin, UE will format file system automatically. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 14 Array course control SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 15: Exploded View/Disassembly And Assembly Instructions

    QBR01 QKP02 QMI03 QME02 QMP01 QMI01 QCA01 QAN02 QLC01 QCR05 QME03 QCK01 QFL01 QRE01 QCR04 QCR04 QSC13 QBA01 QSC05 QSC14 QRE05 QSC06 QCR17 QHI01 QBA00 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 16: Cellular Phone Parts List

    RMO-RUBBER SCREW REAR L GH73-07940A QSC14 RMO-RUBBER SCREW REAR R GH73-07947A QVO01 PMO-VOLUME KEY GH72-33030A QFR01 ASSY CASE-FRONT GH98-01731A QSD01 PMO-COVER MSD GH72-33038A QIF01 PMO-COVER IF GH72-33039A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 17: Sec Code

    MPR-INSU TAPE GH74-27610A MPR-VINYL BOHO UPPER GH74-27635A MPR-SPONGE LCD GH74-28793A MPR-TAPE LCD ACRYL GH74-28801A MPR-GASK TAPE GH74-29409A MPR-VINYL BOHO SUB KEYPAD GH74-31218A AS-DOME SHEET SVC GH81-05987A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 18: Disassembly And Assembly Instructions

    Volume key Camera key Camera key Removal Side key Removal - Remove the camera key 1. Remove the volume key 2. Remove the Switch key SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 19 - Remove the shield cover by lifting up. - Remove 3*4 Key from the Front. ※ Be careful not to rumple and tear the Gasket the shield cover. When removing SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 20 - Adjust the slide lower hole to the front hole Separate the slide upper and the slide lower to draw out from the hole. after unlocking. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 21 - Remove the untied-prevention tape from the Remove the conduction tape between the LCD speaker connector and the camera connector. module and the menu key. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 22 - Open the main F-PCB connector and then draw upper by lifting up with the arrow direction. out the main F-PCB with the arrow direction. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 23 Completely separated state. - Separate the intenna body from the PBA with melting - lead state. ※ Be careful not to break or bend the intenna contact. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 24 2. Insert the FPCB up to the guide line With regard to the insertion direction of camera and then close the locker. 3. Insert the FPCB up to the guide line With regard to the insertion direction of speaker and then close the locker. 5-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 25 5. Fold up the edge by using your fingers. ※ Attach the untied - prevention tape without bubble. ※ Attach the extraneous matters at the right position within guide line. 5-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 26 PBA to assemble SLIDE UPPER. 5.Assemble 3MEGA CAMERA, VGA CAMERA 6.Assemble SPEAKER 7.Remove 3MEGA CAMERA LENS protection vinyl. ※ Assemble CAMERA prior to SPEAKER assembly 5-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 27 2.Match the FPCB insertion hole of both SLIDE LOWER and FRONT. 3.Insert the FPCB through insertion hole to assemble SLIDE UPPER and FRONT 4.Push FRONT up to where it was 5-13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 28 -Place both VOLUME KEY and SWITCH KEY. -Assemble VOL KEY BRACKET using SCREW JIG → SCREW SIZE:1.4*2.3*2.5 ※ ssemble the BRACKET right Be careful to a position. 5-14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 29 1.Insert the screw cap of left side. 2.Insert the screw cap of right side. Screw in order. 3. Press the screw caps by using screw cap JIG. → SCREW SIZE:1.4*4.0*2.5 5-15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 30 Exploded View/Disassembly&Assembly Instructions 5-16 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 31: Main Electrical Parts List

    2203-006838 C157 C-CER,CHIP 2203-006838 C159 C-CER,CHIP 2203-005725 C162 C-CER,CHIP 2203-000233 C163 C-CER,CHIP 2203-002968 C164 C-CER,CHIP 2203-005736 C166 C-CER,CHIP 2203-005736 C169 C-CER,CHIP 2203-005725 C170 C-CER,CHIP 2203-005736 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 32 2203-006423 C308 C-CER,CHIP 2203-006423 C309 C-CER,CHIP 2203-006423 C310 C-CER,CHIP 2203-006423 C315 C-CER,CHIP 2203-006423 C316 C-CER,CHIP 2203-006423 C318 C-CER,CHIP 2203-006423 C319 C-CER,CHIP 2203-006423 C324 C-CER,CHIP 2203-006423 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 33 2203-005736 C407 C-CER,CHIP 2203-006562 C408 C-CER,CHIP 2203-006562 C409 C-CER,CHIP 2203-006562 C410 C-CER,CHIP 2203-006824 C411 C-CER,CHIP 2203-006872 C412 C-CER,CHIP 2203-006824 C413 C-CER,CHIP 2203-006423 C414 C-CER,CHIP 2203-000386 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 34 2203-000854 C513 C-CER,CHIP 2203-006840 C514 C-CER,CHIP 2203-005496 C515 C-CER,CHIP 2203-006840 C516 C-CER,CHIP 2203-005496 C517 C-CER,CHIP 2203-006257 C518 C-CER,CHIP 2203-000254 C519 C-CER,CHIP 2203-006423 C520 C-CER,CHIP 2203-006305 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 35 2901-001413 F605 FILTER-EMI SMD 2901-001413 F606 FILTER-EMI SMD 2901-001413 F700 BEAD-SMD 3301-001534 HDC600 HEADER-BOARD TO BOARD 3711-005367 HDC700 HEADER-BOARD TO BOARD 3711-005976 IFC600 SOCKET-INTERFACE 3710-002465 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 36 2007-009201 R115 R-CHIP 2007-008046 R116 R-CHIP 2007-008046 R117 R-CHIP 2007-008588 R118 R-CHIP 2007-008806 R119 R-CHIP 2007-008045 R120 R-CHIP 2007-008045 R121 R-CHIP 2007-008542 R122 R-CHIP 2007-008055 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 37 2007-007468 R407 R-CHIP 2007-008648 R408 R-CHIP 2007-000151 R409 R-CHIP 2007-007334 R412 R-CHIP 2007-000162 R413 R-CHIP 2007-007316 R414 R-CHIP 2007-007318 R415 R-CHIP 2007-007588 R416 R-CHIP 2007-008516 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 38 U202 IC-RECEIVER 1205-003202 U300 IC-MCP 1108-000105 U302 IC-ANALOG SWITCH 1001-001336 U400 IC-VOL. DETECTOR 1203-004045 U401 IC-POWER SUPERVISOR 1203-004101 U402 IC-BATTERY 1203-003823 U501 IC-AUDIO AMP 1201-002492 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 39 0406-001215 ZD500 DIODE-TVS 0406-001254 ZD501 DIODE-TVS 0406-001254 ZD600 DIODE-TVS 0406-001208 ZD601 DIODE-ZENER 0403-001427 ZD602 DIODE-TVS 0406-001208 ZD603 DIODE-ZENER 0403-001547 ZD700 DIODE-TVS 0406-001208 ZD701 DIODE-TVS 0406-001208 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 40 Main Electrical Parts List 6-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 41: Block Diagrams

    7. Block Diagrams 7-1. RF Solution Block Diagram SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 42: Logic Block Diagram

    Block Diagrams 7-2. Logic Block Diagram SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 43: Pcb Diagrams

    8. PCB Diagrams 8-1. Main PCB Diagram...
  • Page 44 PCB Diagrams Bottom...

  • Page 45: Flow Chart Of Troubleshooting

    Check the PMIC C423(VREG_MSMA) = 2.6V? C416(VREG_TCXO) = 2.8V? Check the clock generation circuit Check for the clock at C407= 19.2 MHz (TCX200) Check the initial operation SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 46 Flow Chart of Troubleshooting Power On TCX200 R201 TRK_LO_ADJ C211 VCON VTCXO_2.8V C212 L204 RFR6275_TCXO C213 RTR6275_TCXO C215 C216 C217 TCXO SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 47 Check the circuit related to reset Not OK Is TP303~313 Check the circuit related to memory Check the circuit around LCD & HDC600 (Short or not solder) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 48: Charging Part

    Flow Chart of Troubleshooting 9-3. Charging Part Abnormal charging part C608 = 5V ? Resolder IFC600 Replace U402 U402 pin5 = "L"? Check the Battery & TA SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 49 11 11 UART1_TX_IF R606 UART1_RX_IF UART1_TX_JTAG UART1_RX_JTAG 15 15 JIG_ON USB_D+ 17 17 USB_D- 19 19 21 NC NC 25 24 NC < IF CONNECTOR > SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 50: Sim Part

    Check the 32.768 kHz OSC SIM400 pin3 in a few second 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 51 Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 52 Check the connection Resolder MIC from MIC Not OK Check the circuit from UCP300 to MIC Resolder the R502 Not OK Check the MIC Replace the MIC SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 53 Flow Chart of Troubleshooting MICBIAS C504 C524 C506 C505 R502 MIC1_P MICP_CON C509 C510 MIC1_N MICN_CON C511 C525 C512 R505 Place near MIC Pad!! Place near MSM6280!! SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 54 IFC600 Check the circuit Not OK from IFC600 pin 3,4 Resolder R507, C519, C523 to UCP300 Change a Earphone Is Earphone MIC working? 9-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 55 UART1_TX_IF R606 UART1_RX_IF UART1_TX_JTAG UART1_RX_JTAG 15 15 JIG_ON USB_D+ 17 17 USB_D- 19 19 21 NC NC 25 24 NC < IF CONNECTOR > 9-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 56: Earphone Part

    IFC600 pin 5, 6, 7 Resolder L601, L602, L603 to U501 Resolder IFC600 IFC600 pin 5, 7 short? Replace the Earphone Is Earphone working? 9-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 57 UART1_TX_IF R606 UART1_RX_IF UART1_TX_JTAG UART1_RX_JTAG 15 15 JIG_ON USB_D+ 17 17 USB_D- 19 19 21 NC NC 25 24 NC < IF CONNECTOR > 9-13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 58: Speaker Part

    (When MP3 file is played) No signal Check the signals of Check the circuit related to speaker input melody signal Is Speaker working? Change the Speaker 9-14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 59 VKEY_LED_3.3V KEYSENSE(0) SOUND_LCD+ SOUND_LCD- F606 ICVE10184E070R101FR OUT1 D2(15) OUT2 D2(13) OUT3 D2(11) OUT4 D2(9) F605 ICVE10184E070R101FR OUT1 D2(7) OUT2 D2(5) OUT3 D2(3) OUT4 D2(1) 9-15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 60: Key Data Input

    LCD? When one of the Navi keys Check the Dome sheet and LCD FPCB is pushed, dose it work well? 9-16 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 61: Lcd Part

    Replace LCD FPCB Pin 16 VLCD_2.8V at HDC600 is Replace U600 2.8V? LCD is always Black? Check HDC600, F603, F604, F605, F606 Replace the LCD Module 9-17 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 62 OUT1 OUT1 D2(6) D2(7) 2 IN2 IN2 2 OUT2 OUT2 D2(4) D2(5) OUT3 OUT3 D2(2) D2(3) 4 IN4 IN4 4 OUT4 OUT4 D2(0) D2(1) 9-18 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 63: Camera Part

    Check UCP300, HDC600 (for VGA) HDC600 Pin 8, 43 = "H"? check UCP300, HDC600 (for 3MEGA) Is there another problem? Replace the camera module 9-19 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 64 OUT3 D2(2) D2(3) 4 IN4 IN4 4 OUT4 OUT4 D2(0) D2(1) VBATT V_LCD TR600 VIN,R1 V.C1-2 RESOUT2_N 5 ON/OFF V.C1-1 R1,C1 R2 1 R607 9-20 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 65: Lcd Back Light

    Set BACKLIGHT on AlwaysON AlwaysON in the Menu? C600 ≥ 3.3V Replace or Resolder TR600 HDC600 Pin41 ='H'? Check UCP300, HDC600 Replace the LCD Module 9-21 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 66 OUT3 D2(2) D2(3) 4 IN4 IN4 4 OUT4 OUT4 D2(0) D2(1) VBATT V_LCD TR600 VIN,R1 V.C1-2 RESOUT2_N 5 ON/OFF V.C1-1 R1,C1 R2 1 R607 9-22 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 67: Key Back Light

    Is BACKLIGHT set Set BACKLIGHT on AlwaysON AlwaysON in the Menu? Replace or Resolder U601 HDC700 pin 8 ≒ 3.3V? Replace the Key FPCB 9-23 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 68 KYPD_MEMO uClamp0505A C700 5 6 7 < CAMERA_SWITCH > VBATT C615 U601 R615 KEY_LED_EN VOUT1 VKEY_LED_3.3V R617 VOUT2 6 MOTOR_EN V_MOT R609 R610 C617 9-24 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 69: Gsm Receiver

    ≥ -65dBm DUF100 Pin5 Resolder DUF100 ≥ -65dBm U101 pin 10, 11,12,13 ≥ 500mV Resolder U101 or Check pins related to U101 Check U101 9-25 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 70 U101 TCXO GPCS_INP VDDA WMIX_LNN VDDA WMIX_LNP RX_QP RX_QP EGSM_INN RX_QM RX_QN EGSM_INP C127 RX_IP RX_IP GCELL_INP RX_IM RX_IN GCELL_INN SSBDT_RTR SSBDT WLNA_OUT R125 9-26 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 71: Gsm Transmitter

    Flow Chart of Troubleshooting 9-15. GSM Transmitter TX ON (5 Level) U100(ASM) pin25 Resolder PAM100 <= 20dBm C162 ≥25dBm Replace DUF100(ASM) Check UCP300(MSM) 9-27 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 72 VDDA WMIX_LNN VDDA WMIX_LNP GSM_RXM RX_QP EGSM_INN GSM_RXP RX_QN EGSM_INP RX_IP GCELL_INP RX_IN GCELL_INN C169 SSBDT WLNA_OUT R113 VSYNT_2.6V R111 C146 C145 C134 C143 9-28 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 73: Dcs Receiver

    RF input : CH center freq Amp : -50dBm DUF100 Pin 1 Resolder DUF100(ASM) ≥ -60dBm U101 Pin39 Resolder L106~108, L120 ≥ -65dBm Resolder U101(RTR6275) 9-29 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 74 VDDA WMIX_LNN VDDA WMIX_LNP GSM_RXM RX_QP EGSM_INN GSM_RXP RX_QN EGSM_INP RX_IP GCELL_INP RX_IN GCELL_INN C169 SSBDT WLNA_OUT R113 VSYNT_2.6V R111 C145 C146 C134 C143 9-30 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 75: Dcs Transmitter

    Flow Chart of Troubleshooting 9-17. DCS Transmitter TX ON (0 Level) PAM100 pin16 Resolder PAM100 ≥ 15dBm U100 pin 19 Replace DUF100(ASM) ≥ 20dBm Check UCP300(MSM) 9-31 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 76 VDDA WMIX_LNN VDDA WMIX_LNP GSM_RXM RX_QP EGSM_INN GSM_RXP RX_QN EGSM_INP RX_IP GCELL_INP RX_IN GCELL_INN C169 SSBDT WLNA_OUT R113 VSYNT_2.6V R111 C146 C145 C134 C143 9-32 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 77: Pcs Receiver

    RF input : CH center freq Amp : -50dBm DUF100 Pin 3 Resolder DUF100(ASM) ≥ -60dBm U101 Pin37 Resolder L106~108, L120 ≥ -65dBm Resolder U101(RTR6275) 9-33 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 78 VDDA WMIX_LNN VDDA WMIX_LNP GSM_RXM RX_QP EGSM_INN GSM_RXP RX_QN EGSM_INP RX_IP GCELL_INP RX_IN GCELL_INN C169 SSBDT WLNA_OUT R113 VSYNT_2.6V R111 C146 C145 C134 C143 9-34 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 79: Pcs Transmitter

    Flow Chart of Troubleshooting 9-19. PCS Transmitter TX ON (0 Level) PAM100 pin16 Resolder PAM100 ≥ 15dBm U100 pin 19 Replace DUF100(ASM) ≥ 20dBm Check UCP300(MSM) 9-35 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 80 VDDA WMIX_LNN VDDA WMIX_LNP GSM_RXM RX_QP EGSM_INN GSM_RXP RX_QN EGSM_INP RX_IP GCELL_INP RX_IN GCELL_INN C169 SSBDT WLNA_OUT R113 VSYNT_2.6V R111 C145 C146 C134 C143 9-36 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 81: Wcdma Receiver

    C203 Cheak and resolder DUF200 ≥ -65dBm Cheak and resolder U202 L208 ≥ -55dBm (LNA) Resolder F203 (SAW) L209 >= -60dBm Replace U202 (RFR6275) 9-37 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 82 C250 C245 L212 C251 L201 UMTS850_RXP C202 UMTS_ANT L210 DUF200 856356 C203 L200 UMTS_RX_850 1 2 3 4 6 7 910 12 C206 <TCXO> 9-38 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 83: Wcdma Transmitter

    L213 ≥ -5dBm Cheak U101 (RTR6275) C249 ≥ -5dBm Resolder F202 (WTX SAW) Resolder PAM200 C247 ≥ 20dBm C202 ≥ 20dBm Resolder DUF200 Check UCP300(MSM) 9-39 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 84 VCON F202 PWR_DET VTCXO_2.8V B9003 L213 C249 C212 OUT 3 R204 R205 UMTS850_TX L204 RFR6275_TCXO GND1 GND2 C213 L206 RTR6275_TCXO C215 C216 C217 TCXO 9-40 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 85: Reference Data

    ― 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 86 Reference data 10-2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

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