Samsung SGH-C400 Service Manual
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Samsung SGH-C400 Service Manual

Samsung SGH-C400 Service Manual

Gsm telephone
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GSM TELEPHONE
GSM TELEPHONE
SGH-C400
CONTENTS
1.
Safety Precautions
2.
Specification
3.
Product Function
4.
Array course control
5.
Exploded View/Disassembly
and Assembly Instructions
6.
MAIN Electrical Parts List
7.
Block Diagrams
8.
PCB Diagrams
9.
Flow Chart of Troubleshooting
10. Reference data

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  • Page 1 GSM TELEPHONE SGH-C400 GSM TELEPHONE CONTENTS Safety Precautions Specification Product Function 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 ⓒ 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. 09 Rev.1.0...

  • Page 3: Table Of Contents

    C O N T E N T S 1. Safety Precautions 1-1. Repair Precaution ................1-1 1-2. ESD(Electrostatically Sensitive Devices) Precaution ......1-2 2. Specification 2-1. GSM General Specification ..............2-1 2-2. GSM Tx Power Class ..............2-2 3. Product Function 4. Array course control 4-1.
  • Page 4 C O N T E N T S 9. Flow Chart of Troubleshooting 9-1. Pown on..................9-1 9-2. Initial....................9-5 9-3. SIM Part..................9-7 9-4. Charging Part................9-9 9-5. Microphone Part................9-12 9-6. Speaker Part................9-14 9-7. Camera Part................9-16 9-8. RF 9-8-1. GSM900 Rx................9-20 9-8-2. DCS Rx..................9-22 9-8-3.

  • Page 5: Repair Precaution

    ● 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 6: Esd(Electrostatically 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 7: Gsm General Specification

    TDMA Mux Cell Radius 35Km O p e r a t i n g -20°C ~ +50°C Te mpe r a t u r e SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 8: 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 9: Product Function

    3. Product Function Main Function - Tri Band(900/1800/1900) - FR+EFR+HR - GPRS Class 10 - 16 Poly - Intenna - SMS,MMS,WAP1.2 - Phonebook 500ea SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 10 Product Function SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 11: Array Course Control

    4. Array course control Software Downloading Test Jig (GH80-03304A) Data cable (GH39-00127A) Serial Cable(CSA LL64151-A) Power Supply Cable SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 12: Pre-Requsite For Downloading

    Array course control 4-1. Pre-requsite for Downloading • Downloader Program ( OptiFlash.exe for SGH-C400 ) • SGH-C400 Mobile Phone • Data Cable • Binary file 4-2. S/W Downloader Program ■ Load the binary download program by executing the “OptiFlash.exe” ■ Connect data cable to Mobile phone 1.
  • Page 13 Array course control 3. Click "Flash" and write down "yes" then "OK" 4. Power on the mobile phone 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: Cellular Phone Exploded View

    QKP01 QFU01 QME01 QMI01 QMP01 QME03 QME11 QAN05 QLC01 QSP01 QMO01 QCA01 QCR08 QAN02 QHI01 QFL01 QRE01 QIF01 QCR05 QCR05 QRF01 QSC01 QMW02 QBA01 QBA00 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 16: Cellular Phone Parts List

    ASSY CASE-REAR GH98-01685A QRF01 MPR-TAPE COVER RF GH74-25341A QRF03 PMO-COVER EAR JACK GH72-32907A QSC01 MPR-TAPE COVER SCREW GH74-25342A QSP01 SPEAKER 3001-002012 QVO01 ASSY KEY-VOLUME GH98-02013A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 17 MPR-VINYL BOHO DECO REAR GH74-26518A MANUAL USERS-LTNENGLISH GH68-11685A MANUAL USERS-LTN SPANISH GH68-11686A BAG PE 6902-000634 LABEL(R)-MAIN(LTN) GH68-11763C CUSHION-CASE(NEW-1) GH69-04326A LABEL(P)-MIAMI GH68-12219A BOX-UNIT(LTN) GH69-04480B UNIT-EARPHONE ,SIL GH59-03624A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 18: Disassembly&Assembly Instructions

    1) Release the LCD CON TO CON. the PBA. 1) Be careful not to make scratch and molding damage! 1) Be careful not to make scratch and molding damage! SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 19 (There are hooks both side - Left and Right) 1) Be careful not to make scratch and molding damage! 1) Be careful not to make scratch and molding damage! SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 20 1) Be careful not to make scratch and molding damage! 2) Be careful not to damage the CON TO CON! 2) Be careful not to damage the Camera FBCB SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 21 1) Be careful not to make scratch and molding damage! 1) Be careful not to make scratch and molding damage! Make a checking on the TORQUE (1.3 ± 0.1 Kgf·Cm) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 22 2) Make a checking on a direction, indicated on the 1) Be careful not to make scratch and molding damage! 2) Be careful not to damage the CON TO CON! photograph above. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 23 1) Be careful not to make scratch and molding damage! 1) Attach a RF SHEET. 1) Be careful not to make scratch and molding damage! SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 24 Exploded View/Disassembly&Assembly Instructions 5-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 25: Main Electrical Parts List

    2203-006260 C214 C-CER,CHIP 2203-006399 C215 C-TA,CHIP 2404-001281 C216 C-CER,CHIP 2203-006399 C217 C-TA,CHIP 2404-001377 C218 C-CER,CHIP 2203-000254 C219 C-CER,CHIP 2203-006260 C220 C-CER,CHIP 2203-000254 C221 C-CER,CHIP 2203-006141 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 26 2203-000812 C614 C-CER,CHIP 2203-000425 C615 C-CER,CHIP 2203-006260 C616 C-CER,CHIP 2203-005806 C617 C-CER,CHIP 2203-006208 C618 C-CER,CHIP 2203-006260 C619 C-CER,CHIP 2203-006260 C621 C-CER,CHIP 2203-000812 C623 C-CER,CHIP 2203-000233 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 27 2703-002485 L105 INDUCTOR-SMD 2703-002603 L106 INDUCTOR-SMD 2703-002484 L110 INDUCTOR-SMD 2703-002558 L111 R-CHIP 2007-008542 L500 BEAD-SMD 3301-001729 L501 BEAD-SMD 3301-001729 L502 INDUCTOR-SMD 2703-002339 L600 INDUCTOR-SMD 2703-002202 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 28 2007-001284 R400 R-CHIP 2007-000172 R402 R-CHIP 2007-008040 R403 R-CHIP 2007-008040 R404 R-CHIP 2007-000173 R405 R-CHIP 2007-000172 R406 R-CHIP 2007-000173 R407 R-CHIP 2007-000174 R408 R-CHIP 2007-000174 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 29 2007-001291 R620 R-CHIP 2007-007142 R621 R-CHIP 2007-000171 R622 R-CHIP 2007-001291 R623 R-CHIP 2007-000157 R624 R-CHIP 2007-000140 R625 R-CHIP 2007-000171 R627 R-CHIP 2007-000140 R628 R-CHIP 2007-001333 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 30 2404-001151 TA624 C-TA,CHIP 2404-001393 TA626 C-TA,CHIP 2404-001393 TA707 C-CER,CHIP 2203-006208 TA715 C-CER,CHIP 2203-006208 TA719 C-TA,CHIP 2404-001381 TA801 C-TA,CHIP 2404-001374 TAC401 SWITCH-TACT 3404-001152 TAC402 SWITCH-TACT 3404-001152 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 31 1405-001110 VR600 VARISTOR 1405-001108 VR601 VARISTOR 1405-001108 VR602 VARISTOR 1405-001108 VR603 VARISTOR 1405-001108 VR604 VARISTOR 1405-001082 VR605 VARISTOR 1405-001082 VR606 VARISTOR 1405-001082 ZD800 DIODE-ZENER 0403-001547 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 32 Main Electrical Parts List SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 33: Block Diagrams

    7. Block Diagrams Antenna SI4210 GSM 900 Rx PCS RX DCS RX LOW- 0/90 DIGITAL PCS/DCS TX GSM 900 TX XOUT VCO+FREQUENCY DCXO SYNTHESIZER TQM6M4002 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 34 Gemini(SCEPTRE TC, GSM/GPRS) External Interface Jig (PC Interface) Analog baseband Power 8 Ch GPIO 7Ch LDO Internal Charger Audio processing SIM Interface RF control Battery STD(Li-ion, 800mA) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 35: Pcb Diagrams

    8. PCB Diagrams SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 36 PCB Diagrams Bottom SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 37: Flow Chart Of Troubleshooting

    UCP200 = 2.8V pin#G11 = 1.8V Check UCP200 and C217 Check the clock signal pin #4 of OSC300 Check the clock generation circuit or C314 (related to UCP300) Check the initial operation SAMSUNG Proprietary-Contents may change without notice...
  • Page 38 Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice...
  • Page 39 Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice...
  • Page 40 Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice...

  • Page 41: Initial

    32.768kHz wave forms at Check the UCP300 the C314 and C315 The Voltage is "High" at Check the UCP200 the C215 Check the LCD Part LCD display is O.K Sound is O.K Check the Audio Part SAMSUNG Proprietary-Contents may change without notice...
  • Page 42 Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice...

  • Page 43: Sim Part

    "Insert SIM" is displayed on the LCD Are there any Signals at Check the UCP300 pin#N9, #R10, #P10 of UCP200? Are there any Signals at pin#K12, #K11, #K14, #J11 of Check the SIM200 SIM200? Check the SIM Card SAMSUNG Proprietary-Contents may change without notice...
  • Page 44 Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice...

  • Page 45: Charging Part

    IFC800 is TA_VEXT Replace TA or Check IFC800 ≒ 5V ? Check the U201 The pin#8 of U201 is 3.2~4.2V ? The ICHRG = 1.4V(during charging) and ≒ 180mV(full Solder again or change R217 charging) ? SAMSUNG Proprietary-Contents may change without notice...
  • Page 46 Flow Chart of Troubleshooting 9-10 SAMSUNG Proprietary-Contents may change without notice...
  • Page 47 Flow Chart of Troubleshooting 9-11 SAMSUNG Proprietary-Contents may change without notice...

  • Page 48: Microphone Part

    Reassemble the microphone microphone O.K? Check the reference voltage on Mic path Solder the microphone again or TA622 > 2.5V Replace around Mic Circuit (C610, C619, R615, R618..) Is microphone ok ? Check UCP200 9-12 SAMSUNG Proprietary-Contents may change without notice...
  • Page 49 Flow Chart of Troubleshooting 9-13 SAMSUNG Proprietary-Contents may change without notice...

  • Page 50: Speaker Part

    Are there any signals at the pin#5 and at the pin#2 and pin#7 of U600? pin#10 of U600? The pin#4 of The pin#4 of Check U600 U600 is U600 is "Low" "High" Check U600 Check UCP200 9-14 SAMSUNG Proprietary-Contents may change without notice...
  • Page 51 Flow Chart of Troubleshooting 9-15 SAMSUNG Proprietary-Contents may change without notice...

  • Page 52: Camera Part

    HDC500 pin40 = 2.8V? Check LCD and HDC500 OSC700 Pin 3 = 24MHz? Check OSC700 and R707 U700의 C717 = 2.8V? Check the U701 pin10 Is there another problem? Replace the camera module 9-16 SAMSUNG Proprietary-Contents may change without notice...
  • Page 53 Flow Chart of Troubleshooting 9-17 SAMSUNG Proprietary-Contents may change without notice...
  • Page 54 Flow Chart of Troubleshooting 9-18 SAMSUNG Proprietary-Contents may change without notice...
  • Page 55 Flow Chart of Troubleshooting 9-19 SAMSUNG Proprietary-Contents may change without notice...

  • Page 56: Gsm900 Rx

    14 ≥ -65 U100 dbm ? Check U102 Resolder or change pin 23,24 ≥ - F104,C132,C133,L114 65dBm ? Check U102 Resolder or change pin 13 = 2.9V UCP200 Resolder or change UCP300 9-20 SAMSUNG Proprietary-Contents may change without notice...
  • Page 57 Flow Chart of Troubleshooting 9-21 SAMSUNG Proprietary-Contents may change without notice...

  • Page 58: Dcs Rx

    18 ≥ -65 PAM100 dbm ? Check U102 Resolder or change pin 19,20 ≥ - F102,C117,C118,L105 65dBm ? Check U102 Resolder or change pin 13 = 2.9V UCP200 Resolder or change UCP300 9-22 SAMSUNG Proprietary-Contents may change without notice...
  • Page 59 Flow Chart of Troubleshooting 9-23 SAMSUNG Proprietary-Contents may change without notice...

  • Page 60: Pcs Rx

    18 ≥ -65 PAM100 dbm ? Check U102 Resolder or change pin 19,20 ≥ - F103,C122,C125,L106 65dBm ? Check U102 Resolder or change pin 13 = 2.9V UCP200 Resolder or change UCP300 9-24 SAMSUNG Proprietary-Contents may change without notice...
  • Page 61 Flow Chart of Troubleshooting 9-25 SAMSUNG Proprietary-Contents may change without notice...

  • Page 62: Gsm900 Tx

    1.2V ? U100 pin 12 about -5dbm? U100 pin 6 : UCP200 3V ? check U102 pin UCP200 12,13,28,29 : change or resolder 2.9V ? U100 change or resolder U102 change or resolder 9-26 SAMSUNG Proprietary-Contents may change without notice...
  • Page 63 Flow Chart of Troubleshooting 9-27 SAMSUNG Proprietary-Contents may change without notice...

  • Page 64: Pcs/Dcs Tx

    1.2V ? U100 pin 12 about -5dbm? UCP200 U100 pin 6 : check 3V ? U102 pin UCP200 12,13,28,29 : change or resolder U100 2.9V ? change or resolder U102 change or resolder 9-28 SAMSUNG Proprietary-Contents may change without notice...
  • Page 65 Flow Chart of Troubleshooting 9-29 SAMSUNG Proprietary-Contents may change without notice...
  • Page 66 Flow Chart of Troubleshooting 9-30 SAMSUNG Proprietary-Contents may change without notice...

  • Page 67: Reference Data

    PS : Pilot Symbol 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 68 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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