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Samsung SGH-M300 Service Manual

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GSM TELEPHONE
SGH-M300
GSM TELEPHONE
CONTENTS
1. Specification
2. Exploded View and Parts list
3. Chart of Troubleshooting
4. Array course control
5. Block Diagrams
6. PCB Diagrams
7. MAIN Electrical Parts List
8. Reference data
9. Safety Precautions
10. Product Function

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Summary of Contents for Samsung SGH-M300

  • Page 1 GSM TELEPHONE SGH-M300 GSM TELEPHONE CONTENTS 1. Specification 2. Exploded View and Parts list 3. Chart of Troubleshooting 4. Array course control 5. Block Diagrams 6. PCB Diagrams 7. MAIN Electrical Parts List 8. Reference data 9. Safety Precautions 10. Product Function...

  • Page 2: Table Of Contents

    Contents 1. Specification 1-1. GSM/CDMA General Specification ................1-1 1-2. GSM TX power class ....................1-2 2. Exploded View and Parts list 2-1. Cellular phone Exploded View ..................2-1 2-2. Cellular phone Parts list ....................2-2 2-3. Disassembly .......................2-4 2-4. Assembly ........................2-8 2-5. LCD KIT Assembly ....................2-10 3.
  • Page 3 Contents 4. Array course control 4-1. Downloading Binary Files ..................4-2 4-2. Pre-requsite for Downloading ................4-2 4-3. S/W Downloader Program ..................4-3 5. Block Diagrams 6. PCB Diagrams 7. MAIN Electrical Parts List 8. Reference data 8-1. Reference Abbreviate ....................8-1 9. Safety Precautions 9-1.

  • Page 4: Specification

    1. Specification 1-1. GSM General Specification G S M 9 00 EGSM 900 DCS1 800 Ph ase 1 Ph ase 2 Phase 1 F r eq. Ban d[MHz] 89 0~9 15 88 0~9 15 171 0~ 178 5 Up lin k/D own lin k 93 5~9 60 92 5~9 60 180 5~ 188 0...

  • Page 5: Gsm Tx Power Class

    Specification 1-2. GSM TX power class TX Power TX Power GSM900 DCS1800 control level control level 33±2 dBm 30±3 dBm 31±2 dBm 28±3 dBm 29±2 dBm 26±3 dBm 27±2 dBm 24±3 dBm 25±2 dBm 22±3 dBm 23±2 dBm 20±3 dBm 21±2 dBm 18±3 dBm 19±2 dBm...

  • Page 6: Exploded View And Parts List

    QFR01 QFU01 QKP01 QLC01 QSP01 QCR12 QMO01 QMP01 QMW01 QME01 QCA01 QAN10 QHI01 QMI01 QSH01 QAN02 QFL01 QRF01 QCR12 QRE01 QSC01 QVO01 QCR12 QRF03 QBA01 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 7: Cellular Phone Parts List

    ELA UNIT-SGH-M300 LCD MODULE GH96-02546A QMW01 ASSY COVER-MAIN WINDOW GH98-04255A QRE01 ASSY CASE-REAR GH98-04191A QRF03 PMO-COVER EAR IF GH72-38609A QFL01 ASSY CASE-FOLDER LOWER GH98-04190A QHI01 ASSY HINGE GH98-03590A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 8 MPR-VINYL BOHO MAIN WINDOW GH74-31987A VINYL-BOHO MAIN GH74-32579A TAPE GASK-LCD SIDE A GH74-32812A TAPE-BACKLIGHT GH74-32834A TAPE-MAIN WINDOW GH74-32837A TAPE GH74-33042A TAPE-PCB GASKET GH74-33071A SPONGE GH74-33094A TAPE INSU GH74-33095A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 9: Disassembly

    1) Pay attention not to damage for LCD FPCB 1) During disconnecting the B'd from FRONT, pay during disconnecting the Shield can screw. attention not to tear the LCD FPCB. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 10 ※ caution 1) Be care of Shooting out damage and scratch 1) Be care of Shooting out damage and scratch not to occur. not to occur. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 11 ※ caution 1) Check the separated plastics. 1) Be care of Speaker/Motor wire cracking or ※ caution damage. 1) Check all of the material is taped. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 12: Assembly

    FRONT case 1) Be care of Shooting out damage and scratch ※ caution not to occur. 1) Pay attention not to damage for LCD FPCB. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 13 2) Screw the left hall of the B'd. 2) Confirm B'd is attached completely on the ※ caution FRONT. 1) Pay attention not to damage for LCD FPCB. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 14 ※ caution 1) Be care of Shooting out damage and scratch 1) Be care of Shooting out damage and scratch not to occur. not to occur. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 15: Lcd Kit Assembly

    1) When you attach the tape, be careful of a base (Tape should be in the LCD connect.) line of a picture. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 16: Chart Of Troubleshooting

    Vrms >=300mV (related to OSC101) Vpp ≒ 900mV Check the clock signal at pin#8 of U101 Check U101 Freq = 13Mz Check the initial operation SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 17 Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 18 Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 19 RTX_QN 4 BQN RFIEP GSM_LNA_IN_P SERDAT 3 SDIO RFIEN GSM_LNA_IN_N SERLE RFIAP SERCLK 1 SCLK RFIAN R105 XOENA C119 OSC101 C121 C122 C123 GND2 GND1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 20 The voltage is "High" at the Check the UCP301 C311,C312,C313 LCD display is O.K Check the LCD part Sound is O.K Check the Audio part SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 21 Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 22 EAR_SWITCH KEY_ROW(3) KEY_ROW(4) JACK_IN I2C_CLK PWR_KEEP I2C_DAT SIMRST DEBUG_DTR DEBUG_RTS FLASH_RESET DEBUG_TXD BL_EN DEBUG_RXD BP_VF DEBUG_CTS CHG_DET SDS_TXD UP_CS SDS_RXD UP_SCLK SIMDATA UP_SDO SIMCLK UP_SDI SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 23: Sim Part

    Is there any signals Check the UCP301 pin#2,#3,#4 of SIM100 ? Check the SIM Card SIM601 VSIM SIM_RST SIM_IO SIM_CLK C639 C640 C641 C642 C638 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 24 Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 25: Microphone Part

    Check the reference voltage on mic path Resolder or change R411,R414,C413,C414,C418,C420 ① VR401 ≒ 2.0V ? C421,R422,C415,C419,R416,R419 R415,R420 ② Is microphone ok? Check UCP301 3-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 26 Flow Chart of Troubleshooting VCCA_2.9V R411 C413 C414 R414 MICOUTP R415 MIC401 C415 R416 MICINP R419 C418 MICINN R420 C419 MICOUTN R422 C420 C421 VR401 VR402 3-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 27: Speaker Part

    Is the terminal of Speaker Replace the Speaker O.K ? Is there any signals at the pin#R12 and pin#P12 of Check U406,V601,V602 UCP100 ? 3-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 28: Lcd

    Flow Chart of Troubleshooting < LCD PCB Part > 3-13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 29 30,31 OSC101 freq :26MHz ? change or resolder Vp-p : 380mV? U101 U101 pin 4,5,6,7 Vp-p resolder or change : 120mV ? UCP301 CHECK!! 3-14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 30 Flow Chart of Troubleshooting 3-15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 31 30,31 change or resolder freq :26MHz ? Vp-p : 380mV? U101 pin 4,5,6,7 U101 Vp-p resolder or change : 120mV ? UCP301 CHECK!! 3-16 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 32 Flow Chart of Troubleshooting 3-17 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 33 : 26MHz OSC101 UCP301pinA13,C312 change or resolder change or resolder Vp-p : 380mV? U101 pin4,5,6,7 : 100mV? UCP301 change or resolder U101 change or resolder 3-18 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 34 Flow Chart of Troubleshooting 3-19 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 35 : 26MHz OSC101 UCP301pinA13,C312 change or resolder change or resolder Vp-p : 380mV? U101 pin4,5,6,7 :100mV? UCP301 change or resolder U101 change or resolder 3-20 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 36 Flow Chart of Troubleshooting 3-21 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 37 17 GND3 VCC1 15 GND2 GND1 C124 C125 DPCS_PAM_IN VBAT GSM_PAM_IN C126 C127 R106 VMOD_EN TX_PWR BAND_SEL2 TX_EN BAND_SEL1 C128 C129 C130 C131 C132 3-22 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 38 4 BQN RFIEP GSM_LNA_IN_P SERDAT 3 SDIO RFIEN GSM_LNA_IN_N SERLE RFIAP SERCLK 1 SCLK RFIAN R105 XOENA C119 OSC101 C121 C122 C123 GND2 GND1 3-23 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 39: Array Course Control

    4. Array course control SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 40: Downloading Binary Files

    ㆍ Three binary files for downloading M300 - M300XXYY.s3 : Main source code binary 4-2. Pre-requsite for Downloading ㆍ Downloader Program(OptiFlash.exe) ㆍ M300 Mobile Phone ㆍ Data Cable ㆍ Binary files SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 41: S/W Downloader Program

    2. Select the "Options" → "Settings" → "Generic" → "Specify hardware platform". Choose hardware platform for the downloader file setting. Set the everything else as the default values which are shown below SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 42 However, OptiFlash will use a slower speed if either the PC's or the phone's serial hardware is incapable of handling the selected speed SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 43 "M300XXYY.s3", for the downloader binary setting. Make sure that not to change the reserved memory regions. In case of M300 the reserved regions are : - 0x00008000 - 0x0001ffff SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 44 7. After finishing downloading, Certain memory resets should be done to guarantee the normal performance. 8. Confirm the downloaded version name and etc. : *#1234# Full Reset : *2767*3855# SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 45: Block Diagrams

    5. Block Diagrams SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 46 Block Diagrams SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 47: Pcb Diagrams

    6. PCB Diagrams ANT101 ANT102 TP_AIT_INT G102 G101 ZD201 U404 U501 ZD501 G105 U101 UCP301 OSC101 VR503 DSP_INT CP_OEN CORE_TP TP_INTRQ CP_CSRAM TP_PWR_KEEP CP_TMS TP_CSROM CP_TCK TP_UPPER_BY T E TP_AIT_CS TP_GND C224 TP_A(1) CP_TDO CP_TDI VR505 VR502 VR510 CP_WEN TP_D(0) U403 U302 SIM601...
  • Page 48 PCB Diagrams U201 DOWN CLEAR SHARP LED301 LED302 6- 2...

  • Page 49: Main Electrical Parts List

    VARISTOR 1405-001082 VR402 VARISTOR 1405-001082 VR503 VARISTOR 1405-001082 VR510 VARISTOR 1405-001177 V603 VARISTOR 1405-001177 V604 VARISTOR 1405-001177 V605 VARISTOR 1405-001177 VR501 VARISTOR 1405-001177 VR502 VARISTOR SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 50 R-CHIP 2007-007741 R419 R-CHIP 2007-007741 R507 R-CHIP 2007-007741 R509 R-CHIP 2007-008045 R103 R-CHIP 2007-008048 R102 R-CHIP 2007-008051 R427 R-CHIP 2007-008052 R210 R-CHIP 2007-008052 R211 R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 51 R-CHIP 2007-008542 R402 R-CHIP 2007-008542 R429 R-CHIP 2007-008544 R411 R-CHIP 2007-008544 R504 R-CHIP 2007-008587 R107 R-CHIP 2007-008786 R424 R-CHIP 2007-008786 R426 R-CHIP 2007-008786 R428 R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 52 C-CER,CHIP 2203-005682 C108 C-CER,CHIP 2203-005682 C128 C-CER,CHIP 2203-005682 C130 C-CER,CHIP 2203-005682 C131 C-CER,CHIP 2203-005682 C132 C-CER,CHIP 2203-005682 C423 C-CER,CHIP 2203-005682 C424 C-CER,CHIP 2203-005682 C509 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 53 C-CER,CHIP 2203-006307 C307 C-CER,CHIP 2203-006318 C113 C-CER,CHIP 2203-006318 C116 C-CER,CHIP 2203-006318 C117 C-CER,CHIP 2203-006318 C120 C-CER,CHIP 2203-006324 C304 C-CER,CHIP 2203-006423 C121 C-CER,CHIP 2203-006423 C123 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 54 C-CER,CHIP 2203-006556 C606 C-CER,CHIP 2203-006556 C607 C-CER,CHIP 2203-006556 C608 C-CER,CHIP 2203-006556 C609 C-CER,CHIP 2203-006556 C610 C-CER,CHIP 2203-006556 C611 C-CER,CHIP 2203-006556 C612 C-CER,CHIP 2203-006556 C613 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 55 C-CER,CHIP 2203-006562 C412 C-CER,CHIP 2203-006562 C422 C-CER,CHIP 2203-006562 C434 C-CER,CHIP 2203-006562 C501 C-CER,CHIP 2203-006562 C504 C-CER,CHIP 2203-006562 C616 C-CER,CHIP 2203-006562 C635 C-CER,CHIP 2203-006562 C644 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 56 C-TA,CHIP 2404-001414 TA501 C-TA,CHIP 2703-002313 L105 INDUCTOR-SMD 2703-002485 L102 INDUCTOR-SMD 2703-002544 L108 INDUCTOR-SMD 2703-002544 L109 INDUCTOR-SMD 2703-002558 L110 INDUCTOR-SMD 2703-002917 L103 INDUCTOR-SMD 2703-002917 L104 INDUCTOR-SMD SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 57 3711-006026 3711-006380 HEA601 HEADER-BOARD TO BOARD 4302-001130 BAT101 BATTERY-LI(2ND) GH09-00036A UCP201 IC MICOM-SGHX480 GH13-00050A U501 IC ASIC-SGHC510 GH71-06419A ANT101 NPR-ANTENNA CONTACT GH71-06419A ANT102 NPR-ANTENNA CONTACT SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 58: Reference Data

    PS : Pilot Symbol QPSK: Quadrature Phase Shift Keying RS : Reed-Solomon SI : Service Information TDM : Time Division Multiplexing TS : Transport Stream SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 59: 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 60: Esd(Electrostaically Sensitive Devices) Precaution

    ● 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 61: Product Function

    10. Product Function Main Function - SDN (Service Dialling Numbers) - Read SMS or MMS messages - Voicemail - SOS message - FM radio 10-1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 62 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...

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