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Samsung SGH-C300 Service Manual

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GSM TELEPHONE
SGH-C300
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-C300

  • Page 1 GSM TELEPHONE SGH-C300 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 ........................2-6 3. Flow Chart of Troubleshooting 3-1.
  • Page 3 Contents 7. MAIN Electrical Parts List 8. Reference data 8-1. Reference Abbreviate ....................8-1 9. Safety Precautions 9-1. Repair Precaution ......................9-1 9-2. ESD(Electrostaically Sensitive Devices) Precaution ..........9-2 10. Product Function...

  • 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

    QMO01 QKP02 QKP01 QCR05 QME02 QSP01 QMI01 QMP01 QLC01 QPC01 QAN05 QME01 QRE02 QFL01 QSC01 QAN02 QRF03 QCR05 QRE01 QCR06 QCR05 QIF01 QRF01 QBA01 QBA00 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 7: Cellular Phone Parts List

    ASSY COVER-SLIDE LOWER GH98-02595A 　 QFR01 ASSY CASE-FRONT GH98-02596A 　 QRE01 ASSY CASE-REAR GH98-02597A 　 QRF03 PMO-COVER EAR GH72-35003A 　 　 QIF01 PMO-COVER IF GH72-35004A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 8 MPR-TAPE FPCB BACK B GH74-29067A MPR-SPONGE KEYPAD GH74-29255A MPR-SPONGE KEYPAD GH74-29255A MPR-INSU TAPE GH74-29334A MPR-ELEC TAPE GH74-29335A MPR-INSU TAPE GH74-29352A MPR-INSU TAPE GH74-29352A MPR-SPONGE SPK GH74-29444A MPR-SPONGE GH74-29579A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 9: Disassembly

    2) Disjoint the FPCB by desoldering. ※ caution ※ caution 1) Be careful of the damage of devices. 1) Be careful of the FPCB's crack SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 10 2) Disjoint the FPCB with desoldering. 1)Be careful of the damages of motor and receiver ※ caution wires. 1) Be careful of the FPCB's crack. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 11: Assembly

    1) Be careful of the scratch on the plastic. ※ caution 2) Be careful of the crack on LCD FPCB. 1) Be careful of the crack on LCD FPCB. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 12 1) Be careful of the 3*4 KEY PAD escaping from 1) Be careful of the damage of the devices. the holes. 2) Be careful of MIC escaping from the KEY PAD. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 13 1) Screw up the 4 points with SCREW JIG. ※ caution ※ caution 1)Be careful of the scratch on the plastic. 1)Be careful of the scratch on the plastic. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 14: Flow Chart Of Troubleshooting

    Check the clock generation circuit Vrms >=300mV (related to OSC400) Vpp≒ 900mV Check the clock signal at pin#5,#6 of U401 Check U401 Freq = 13Mz Check the initial operation SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 15 Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 16 Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 17 VDD_IO1 DSP_INT VDD3 PWR_SW2 VDD2 JIG_ON PWR_SW1N VDD1 PWR_ON PSW1_BUF GND_HCUR F1 1 RESET_O GND_PSC2 MODE GND_PSC1 PWR_KEEP GNDQ L1 0 INTRQ VDD67 VIB_RNG_EN VDD5 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 18: Initial

    The voltage is "High" at the Check the UCP100 C112,C114,C115 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 19 Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 20 Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 21: Sim Part

    Check the voltage at pin#1 Check the UCP100 of SIM100 >= 2.8V ? Is there any signals Check the UCP100 pin#2,#3,#4 of SIM100 ? Check the SIM Card SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 22 Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 23: Microphone Part

    O.K? Check the reference voltage on mic path Resolder or change R357,R355,C354,R359,R358,C356 ① VR301 ≒ 2.0V ? R353,C352,C351,R356,C358,C357 ② Is microphone ok? Check UCP100 3-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 24 Flow Chart of Troubleshooting 3-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 25: Receiver Part

    Is the terminal of Speaker Replace the Speaker O.K ? Is there any signals at the pin#A13 and pin#N12 of Check U300,R338,R342 UCP100 ? 3-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 26 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 27 Flow Chart of Troubleshooting 3-14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 28: Egsm Rx

    19,20 OSC400 freq :26MHz ? change or resolder Vp-p : 380mV? U400 U400 pin 2,3,22,23 Vp-p resolder or change : 120mV ? UCP100 CHECK!! 3-15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 29 Flow Chart of Troubleshooting 3-16 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 30: Dcs Rx

    19,20 : change or resolder 26MHz ? Vp-p : 380mV? U400 pin 2,3,22,23 U400 Vp-p resolder or change : 120mV ? UCP100 CHECK!! 3-17 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 31 Flow Chart of Troubleshooting 3-18 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 32: Egsm Tx

    : 26MHz OSC400 UCP100pinA13,C114 change or resolder change or resolder Vp-p : 380mV? U400 pin2,3,22,23 :100mV? UCP100 change or resolder U400 change or resolder 3-19 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 33 Flow Chart of Troubleshooting 3-20 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 34: Dcs Tx

    : 26MHz OSC400 UCP100pinA13,C114 change or resolder change or resolder Vp-p : 380mV? U400 pin2,3,22,23 :100mV? UCP100 change or resolder U400 change or resolder 3-21 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 35 Flow Chart of Troubleshooting 3-22 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 36 Flow Chart of Troubleshooting 3-23 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 37: 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 38: Downloading Binary Files

    - C300XXYY.s3 : Main source code binary 4-2. Pre-requsite for Downloading ㆍ Downloader Program( OptiFlash.exe ㆍ C300 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 39: 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 40 OptiFlash will use to communicate with the phone. 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 41 "XC300XXYY.s3", for the downloader binary setting. Make sure that not to change the reserved memory regions. In case of C300 the reserved regions are : - 0x00008000 - 0x0001ffff SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 42 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 43: Block Diagrams

    5. Block Diagrams SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 44 Block Diagrams SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 45: Pcb Diagrams

    A(3) CP_TDI CP_OEN CP_TMS MEM_RST U402 TP1.8V CP_TCK CP_WEN SIM100 Q100 BTC300 U102 ZD303 ZD302 ZD301 BAT100 ZD304 MIC300 IFC300 JIG_ON VBAT SDS_TXD SDS_RXD CN200 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 46 PCB Diagrams CN300 VR201 VR200 VR203 VR206 VR205 VR204 VR207 VR202 VR208 SHAPE SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 47: Main Electrical Parts List

    1203-003304 UCP100 IC-POWER SUPERVISOR 1203-003663 U102 IC-BATTERY 1204-001811 U300 IC-MELODY 1205-003098 U400 IC-TRANSCEIVER 1209-001219 U201 IC-SENSOR 1405-001082 U403 VARISTOR 1405-001082 VR200 VARISTOR 1405-001082 VR201 VARISTOR SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 48 R-CHIP 2007-000170 R218 R-CHIP 2007-000170 R408 R-CHIP 2007-000170 R410 R-CHIP 2007-000171 R113 R-CHIP 2007-000171 R322 R-CHIP 2007-000171 R338 R-CHIP 2007-000171 R342 R-CHIP 2007-000171 R354 R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 49 R-CHIP 2007-001320 R356 R-CHIP 2007-001323 R328 R-CHIP 2007-001325 R316 R-CHIP 2007-002797 R403 R-CHIP 2007-002965 R324 R-CHIP 2007-002965 R325 R-CHIP 2007-002965 R407 R-CHIP 2007-007014 R344 R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 50 R-CHIP 2007-008419 R350 R-CHIP 2007-008419 R351 R-CHIP 2007-008419 R352 R-CHIP 2007-008516 R401 R-CHIP 2007-008806 R404 R-CHIP 2007-009160 R109 R-CHIP 2203-000233 C117 C-CER,CHIP 2203-000233 C215 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 51 C-CER,CHIP 2203-000940 C105 C-CER,CHIP 2203-000995 C109 C-CER,CHIP 2203-000995 C345 C-CER,CHIP 2203-001072 C348 C-CER,CHIP 2203-001405 C302 C-CER,CHIP 2203-001412 C428 C-CER,CHIP 2203-005344 C118 C-CER,CHIP 2203-005344 C213 C-CER,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 C416 C-CER,CHIP 2203-005682 C418 C-CER,CHIP 2203-005682 C419 C-CER,CHIP 2203-005683 C405 C-CER,CHIP 2203-005683 C407 C-CER,CHIP 2203-005719 C411 C-CER,CHIP 2203-005719 C413 C-CER,CHIP 2203-005719 C414 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 2203-006194 C424 C-CER,CHIP 2203-006257 C338 C-CER,CHIP 2203-006257 C351 C-CER,CHIP 2203-006260 C100 C-CER,CHIP 2203-006260 C104 C-CER,CHIP 2203-006260 C206 C-CER,CHIP 2203-006260 C208 C-CER,CHIP 2203-006260 C434 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 54 INDUCTOR-SMD 2703-002200 L408 INDUCTOR-SMD 2703-002313 L405 INDUCTOR-SMD 2703-002484 L406 INDUCTOR-SMD 2703-002544 L300 INDUCTOR-SMD 2703-002544 L301 INDUCTOR-SMD 2703-002558 L407 INDUCTOR-SMD 2703-002917 L402 INDUCTOR-SMD 2703-002917 L403 INDUCTOR-SMD SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 55 CONNECTOR-INTERFACE 3711-006228 BTC300 HEADER-BATTERY 3722-002249 EAR300 JACK-EAR PHONE 4302-001130 BAT100 BATTERY-LI(2ND) GH09-00036A UCP200 IC MICOM-SGHX480 GH71-06338A ANT400 NPR-BRACKET ANT CONTACT GH71-06338A ANT401 NPR-BRACKET ANT CONTACT SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 56: 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 57: 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 58: 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 59: Product Function

    Main Function - SMS or MMS messages - Voicemail - Broadcast message - SOS messages - Calendar, Alarm, Calculator, Voice memo, Speed dial, etc... 10-1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 60 ⓒ 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. 2006. 12. Rev.1.0...

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