Samsung SPH-A900 Service Manual
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Samsung SPH-A900 Service Manual

Samsung SPH-A900 Service Manual

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CDMA TELEPHONE
CDMA TELEPHONE
SPH-A900
CONTENTS
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Product Support Tools
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Summary of Contents for Samsung SPH-A900

  • Page 1: Table Of Contents

    CDMA TELEPHONE SPH-A900 CONTENTS CDMA TELEPHONE General Introduction Circuit Description Installation NAM Programming Product Support Tools Test Procedure Flow Chart of Troubleshooting Exploded Views and Parts List Block Diagram Electrical Parts List PCB Diagrams...
  • Page 2 ⓒ Samsung Electronics Co.,Ltd ember. 2 0 05 Printed in Korea. This Service Manual is a property of Samsung Electronics Co.,Ltd. Any unauthorized use of Manual can be punished under applicable Code No.: GH68-08836A International and/or domestic law. BASIC.

  • Page 3: General Introduction

    1. General Introduction 1-1. General Instruction The SPH-A900 enables mobile users to communicate 3G CDMA2000 1X service into a single handset. For CDMA/PCS mode, The SPH-A900 supports Release A of the CDMA2000 1X standard. The SPH-A900 also features EV-DO high-speed data, Bluetooth as well as a swiveling 1.3 megapixel digital camera.
  • Page 4 General Introduction SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung' s authoriz a tion...

  • Page 5: Circuit Description

    - Charging Method : Constant Voltage/Current -Charging Current : Normal 550mA - Charging Time : Standard (800mAh) 2.5 ~ 3 Hrs - Charging Mode : ¨ ç Charging ¨ è Completion SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 6 : -40°C to +85°C) Universal Serial Bus Interface SPH-A900 supports a Universal Serial Bus(USB) interface by the MSM6500, to provide an efficient interconnection between the mobile phone and a Personal Computer(PC). The MSM6500's USB interface is designed to comply with the Universal Serial Bus Specification, Revision 2.0.
  • Page 7 2.4GHz transceiver. Bluetooth module supports any voice and/or data application that requires the Bluetooth SIG standard Host Controller Interface (HCI) via UART and PCM audio interfaces. Operation Clock: 26MHz Low-Power Clock: 32.768KHz SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 8 The PCM data from the MSM(ucp102) is inputted to the internal CODEC and the data will be decoded by the internal DAC. Audio levels are adjusted by the amplifier. And then audio is sent to the receiver. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 9 2.5W RMS output directly from the V_BAT supply. It is a high efficiency audio amplifier for mobile applications. The gain of amplifier in SPH-A900 set to 4(V/V) . The output generated in SAPA1D2 is intended to drive two speakers.
  • Page 10 Receiver band. Power Amp Power amplifier module(PAM400:WS1413) amplifiers signal to be sent to the base station through the antenna. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 11 The VCO's output frequency is changed by control voltage. The PLL in S1M8690X generates this control signal and this signal is changed into DC control voltage by R-C Loop filter. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 12 Receiver band. It also matches LNA input in receiving part and PAM(PAM400:WS1102) output in transmitting part with the Intenna. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 13 The TX IF AGC amp in S1M8690X controls gain of AGC to deliver power level to be needed at Driver amp. Its control voltage varies from 0.2V to 2.5V. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 14 RF Band Pass Filter(Rx RF SAW Filter) The RF BPF(U404:B9000) passes only a specific frequency(1575.42±1MHz) from the signal received from the satellite. The bandwidth is 2 MHz. 2-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 15: Installation

    Standard Battery Battery Type (Li-ion, 800mAh) Charging < 3 hours SEC Code G H 4 3 -0 2 1 01A SAMSUNG Proprietary-Contents may change without notice This D o cument can not be used without Samsung' s authoriz a tion...
  • Page 16 Installation 3- 2 SAMSUNG Proprietary-Contents may change without notice This D o cument can not be used without Samsung' s authoriz a tion...

  • Page 17: Nam Programming

    1: V i ew Choose ' D one' to ex i t the NAM mode 2: E d it 3: Done SAMSUNG Proprietary-Contents may change without notice T h is D o cument can not be used without Samsung' s authoriz a tion...
  • Page 18 R i ght k e y or Down CDMA Access Ov e rload Class, current status is displayed k e y 4- 2 SAMSUNG Proprietary-Contents may change without notice T h is D o cument can not be used without Samsung' s authoriz a tion...
  • Page 19 L e ft or R i ght k e y - Change status Y E S - Store it 4- 3 SAMSUNG Proprietary-Contents may change without notice T h is D o cument can not be used without Samsung' s authoriz a tion...
  • Page 20 CD M A foreign NID , current status is displayed. Left or Right key F N I D Reg - Change status - Store it SAMSUNG Proprietary-Contents may change without notice T h is D o cument can not be used without Samsung' s authoriz a tion...

  • Page 21: Test Procedure

    ● Test Jig ● Test Cable ● CDMA Mobile Station Test Set HP8285A, HP8960, CMD-80, etc ● Spectrum Analyzer(include CDMA Test Mode) HP8596E, 6-2 Configuration of Test SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 22 RF CABLE (1.4dB Loss for CDMA, 2.1dB Loss for PCS, 1.8dB Loss for GPS) BNC CONNECTOR (RF) DATA CABLE Plug Connect to SPH-A900 Dsub 25PIN CONNECTOR (DATA) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 23 6-3-3 Dsub 25 PIN CONNECTOR PIN DESCRIPTION (TEST CABLE 1, BACK SIDE) Dsub CONN. Dsub CONN. DATA DESCRIPTION DATA DESCRIPTION PIN NO. PIN NO. 24,25 (SHORT) VBATT VBATT 5,6 (SHORT) HP_PWR DP_RX_DATA RX_AUDIO DP_TX_DATA TX_AUDIO SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 24 0 ≤ N ≤ 1199 F=0.05 × N + 1850.00 FREQUENCY F ; FREQUENCY 0 ≤ N ≤ 1199 F=0.05 × N + 1930.00 FREQUENCY (PCS) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 25 C. The command "0 2 2" is mode and channel change "2 0 3 6 3" Channel number Mode:CDMA Push the [OK] key to save. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 26 H. "0 1 4" : CDATA. I. "0 1 0" : PA_R1(0:LOW GAIN MODE, 1:HIGH GAIN MODE) J. "0 1 9" : Adjust RF power level. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 27 : Gated Power - at least 20dB Gated Time - Rising Time : below 6 ㎲ Falling Time : below 6 ㎲ Burst Time : below 1.25 ㎳ SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 28 : Gated Power - at least 20dB Gated Time - Rising Time : below 6 ㎲ Falling Time : below 6 ㎲ Burst Time : below 1.247 ㎳ SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 29: Flow Chart Of Troubleshooting

    U200 Check IFC201 and it's pin41=high? neighboring circuits Check C216 = C217,C218,C219,C220,C221 and 2.7V? U200's neighboring circuits C122 Check TCK301,U101 and it's 19.2MHz? neighboring circuits SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 30 VDD2.6 USB_VPO OUT9 MOTOR_EN USB_VMO C215 C216 C217 C218 C219 C220 C221 C222 C223 C224 C225 C226 C227 1918 D201 V_BUS VPULL D+_IN D-_IN C228 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 31 Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 32: Lcd Working

    Change LCD Check HDC500, F502, F503 LCD Display Replace HDC500, F504,F505 and F502, F503 F504,F505and it's Short=? it's neighboring circuits Change LCD SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 33 D2(9) ED2(2) D2(2) ED2(10) D2(10) ED2(3) D2(3) ED2(11) D2(11) ED2(5) D2(5) ED2(13) D2(13) ED2(4) D2(4) ED2(12) D2(12) ED2(7) D2(7) ED2(15) D2(15) ED2(6) D2(6) ED2(14) D2(14) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 34 Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 35 R eplace receiver Check mic path from Check HDC502 to UCP102 HDC502 pin8 MIC is OK? and it's neighboring signal on? circuits. Check KEY FPCB SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 36 11 11 12 12 14 14 15 15 16 16 F508 19 19 20 20 SCAN4 SCAN5 SCAN6 EL_EN MIC+ VR507 VR508 R510 ON_SW VR509 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 37 Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 38 DVGA value Adjust DVGA by Call OK? Check OK? program S1M8690X(U402) Tx Path Check Adjust TX by Check OK? program Check RFR6000(U301), FER OK? MSM6500(UCP102) 7-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 39: Gps Mode

    3. VCTCXO(TCK301) Check : 19.2MHz START GPS U401 Logic Check pin1 pin6 pin9 GPS RF GPS H Path Check U404 Check GPS_NV_ITEM Adjust by program Check OK? 7-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 40 Flow Chart of Troubleshooting 7-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 41 Flow Chart of Troubleshooting 7-13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 42 7-3-1 CDMA/PCS mode CDMA/PCS Abnormal Transmitter section Check S1M8690X(U402) Check Check P_OUTB(L408) S1M8690X(U402) C_OUT(C432) pin30(R403) RF OUT Level Check PCS:PA(PAM400) CDMA:PA (PAM403) Output Level 7-14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 43 Flow Chart of Troubleshooting 7-15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 44 Flow Chart of Troubleshooting 7-16 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 45 Preview is U206 VDD2.6(C521,C522) R eplace Camera module Try again Check TP21,22 Camera Replace LCD on LCD Flash is OK? FPCB R eplace Flash FPCB 7-17 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 46 1 VIN VOUT1 10 C255 VOUT2 CAM_EN 3 BYP 5 SET GND 6 11121314 15 16 C249 C248 C250 C247 R234 C256 C257 C258 C259 7-18 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 47 USB_VPO OUT9 MOTOR_EN USB_VMO C215 C216 C217 C218 C219 C220 C221 C222 C223 C224 C225 C226 C227 1918 D201 V_BUS VPULL D+_IN D-_IN C228 7-19 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 48 Flow Chart of Troubleshooting 7-20 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 49 BT RF On (001 ¡ æ 027) Sleep Xtal R eplace Sleep Xtal OSC101 (R135) OK? Check Check PMIC 2.6DV_BT(R116) U200 BT module R eplace U104 (pin 28) OK? 7-21 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 50 HOST_WAKE UART_RTS_N HOST_WAKE AUX_PCM_DOUT_BT PCM_IN EEPROM_DATA|GPIO_6 R129 BT_RXD UART_TX D LPO_IN R106 VDD_COR E USB_DETACH|GPIO_7 BT_CLK_EN XTAL_PD|COEX_1 C154 C155 C156 R135 SLEEP_XTAL_OUT R149 R136 7-22 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 51 Flow Chart of Troubleshooting 7-23 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 52 Flow Chart of Troubleshooting 7-24 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 53: Exploded Views And Parts List

    QCR06 QMO01 QSP01 QSH01 QAU01 QME08 QMP01 QSC14 QIF01 QFL01 QRE01 QCB03 QCR12 QRF03 QSC12 QRF01 QCR03 QSC13 QMI03 QMW01 QRE03 QCR03 QSC13 QBA01 QBA00 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 54: Parts List

    PMO-IF COVER GH72-25509A QSP01 　 SPEAKER 3001-001784 　 QAU01 AUDIO-RECEIVER 3009-001127 　 QMO01 MOTOR DC-SGHZ130 GH31-00154C QLC01 　 LCD-LCD MODULE GH07-00806A 　 QLC02 AS-LCD SUB GH81-01816A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 55 MPR-TAPE MAIN PCB SIDE GH74-16372A MPR-SPONGE HINGE DUMMY GH74-16467A MPR-TAPE J TAG GH74-16475A MPR-NON WOVEN RECEIVER GH74-16549A MPR-GASKET CAMERA HINGE GH74-16636A MPR-BOHO VINYL F-PCB FIX GH74-17063A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 56 MPR-SPONGE VOLUME KEY GH74-26019A AS-MAIN LCD GH81-02629A AS-MOD KEY DOME SHEET GH81-03951A MEA FRONT-COVERUNIT_EL KEYPA GH97-05502A MEA-UPPER(SVC R) GH97-05854B MEA-LOWER(SVC R) GH97-05855B MEA-FRONT(SVC R) GH97-05858B SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 57: Test Jig

    Exploded views and Parts List 8-3 DM Cable(GH39-00129A) 8-4 Test JIG 8-6 Test Jig Cable(GH39-00399A) 8-5 RF Cable(GH39-00397A) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 58: Block Diagram

    CD M A CD M A PA S I M 8 6 9 0 X 9 - 1 SAMSUNG Proprietary-Contents may change without notice T h is D o cument can not b e used with out Samsung' s authoriz a tion...
  • Page 59 2203-006423 C153 C-CER,CHIP 2203-006423 C154 C-CER,CHIP 2203-006093 C155 C-CER,CHIP 2203-006208 C156 C-CER,CHIP 2203-006201 1 0 - 1 SAMSUNG Proprietary-Contents may change without notice T h is D o cument can not b e used without Samsung' s authoriz a tion...
  • Page 60 2203-005736 C242 C-CER,CHIP 2203-005736 C245 C-CER,CHIP 2203-005682 C246 C-CER,CHIP 2203-005682 C247 C-CER,CHIP 2203-006093 1 0 - 2 SAMSUNG Proprietary-Contents may change without notice T h is D o cument can not b e used without Samsung' s authoriz a tion...
  • Page 61 2203-006423 C404 C-CER,CHIP 2203-000585 C406 C-CER,CHIP 2203-002677 C408 C-CER,CHIP 2203-006194 C409 C-CER,CHIP 2203-005740 1 0 - 3 SAMSUNG Proprietary-Contents may change without notice T h is D o cument can not b e used without Samsung' s authoriz a tion...
  • Page 62 2203-006053 C522 C-CER,CHIP 2203-006093 C524 C-CER,CHIP 2203-000233 C525 C-CER,CHIP 2203-000233 C526 C-CER,CHIP 2203-006556 1 0 - 4 SAMSUNG Proprietary-Contents may change without notice T h is D o cument can not b e used without Samsung' s authoriz a tion...

  • Page 63: Electrical Parts List

    2703-002206 L406 INDUCTOR-SMD 2703-002207 L407 INDUCTOR-SMD 2703-002281 L408 INDUCTOR-SMD 2703-002207 L409 INDUCTOR-SMD 2703-002207 1 0 - 5 SAMSUNG Proprietary-Contents may change without notice T h is D o cument can not b e used without Samsung' s authoriz a tion...
  • Page 64 2007-007107 R213 R-CHIP 2007-003006 R219 R-CHIP 2007-008419 R220 R-CHIP 2007-008419 R222 R-CHIP 2007-003006 1 0 - 6 SAMSUNG Proprietary-Contents may change without notice T h is D o cument can not b e used without Samsung' s authoriz a tion...
  • Page 65 0801-002345 U103 IC-VOL. DETECTOR 1203-003408 U104 BLUETOOTH MODULE 4709-001410 U200 IC-POWER SUPERVISOR 1203-003495 1 0 - 7 SAMSUNG Proprietary-Contents may change without notice T h is D o cument can not b e used without Samsung' s authoriz a tion...
  • Page 66 0403-001547 ZD201 DIODE-ZENER 0403-001427 ZD202 DIODE-TVS 0406-001208 ZD204 DIODE-ZENER 0403-001339 ZD206 DIODE-TVS 0406-001208 1 0 - 8 SAMSUNG Proprietary-Contents may change without notice T h is D o cument can not b e used without Samsung' s authoriz a tion...

  • Page 67: Pcb Diagrams

    11. PCB Diagrams 11-1. Main PCB Top Diagram 11-1 SAMSUNG Proprietary-Contents may change without notice This Document can not b e used with out Samsung' s authoriz a tion...
  • Page 68 PCB Diagrams 11-2. Main PCB Bottom Diagram 11-2 SAMSUNG Proprietary-Contents may change without notice This Document can not b e used with out Samsung' s authoriz a tion...

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