Samsung SGH-C240 Service Manual
  1. Manuals
  2. Brands
  3. Samsung Manuals
  4. Cell Phone
  5. SGH-C240
  6. Service manual
Samsung SGH-C240 Service Manual

Samsung SGH-C240 Service Manual

Gsm telephone
Hide thumbs Also See for SGH-C240:
Table of Contents

Advertisement

Quick Links

Download this manual See also: User Manual
GSM TELEPHONE
GSM TELEPHONE
SGH-C240
1.
2.
3.
4.
5.
Exploded View and Parts List
6.
MAIN Electrical Parts List
7.
8.
9.
CONTENTS

Advertisement

Table of Contents
loading

Related Manuals for Samsung SGH-C240

Summary of Contents for Samsung SGH-C240

  • Page 1: Table Of Contents

    GSM TELEPHONE SGH-C240 GSM TELEPHONE CONTENTS Safety Precautions Specification Product Function Array course control Exploded View and Parts List MAIN Electrical Parts List Block Diagrams PCB Diagrams Flow Chart of Troubleshooting 10. Reference data...
  • Page 2 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. Software Adjustments....................4-1 4-2.
  • Page 3 C O N T E N T S 9. Flow Chart of Troubleshooting 9-1. Baseband 9-1-1. Power On........................9-1 9-1-2. Initial........................9-3 9-1-3. Sim Part........................9-5 9-1-4. Microphone Part......................9-7 9-1-5. Speaker Part......................9-9 9-1-6. LCD Backlight.......................9-11 9-2. RF 9-2-1. GSM RX........................9-12 9-2-2. DCS RX........................9-14 9-2-3.

  • Page 4: 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 5: 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 6: Specification

    2. Specification 2-1. GSM General Specification G SM 90 0 EG SM 900 DCS1800 Ph ase 1 Phase 2 Phase 1 Fr eq. Band [MHz] 8 90~915 880~ 915 1710 ~1785 Up link/ Do wnl ink 9 35~960 925~ 960 1805 ~1880 ARFCN ran ge 1~124...

  • Page 7: Gsm Tx Power Class

    Speclflcation 2-2. 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 8: Product Function

    -Java Enjoy Java™-based embedded games and download new games. -Calendar Keep track of your daily, weekly, and monthly schedule. -Voice recorder Record memos or sounds. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 9 Product Function SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 10: Array Course Control

    4. Array course control 4-1. Software Adjustments TEST JIG (GH80-00865A) DATA CABLE (GH39-00127A) RF Test Cable (GH39-00283A) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 11: Software Downloading

    1. Load the binary download program by executing the “ ” OptiFlash.exe 2. Select the “Options” -> “Settings” -> “Generic” -> “Specify hardware platform ”. Choose hardware platform for the downloader file setting. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 12 Array course control Set the everything else as the default values which are shown below 3. Select the COM port when the download cable is connected SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 13 “C240XXYY.s3”,for the downloader binary setting. Make sure that not to change the reserved memory regions. In case of C240 the reserved regions are : - 0x00c00000 - 0x00c9ffff SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 14 7. After finishing downloading, Certain memory resets should be done to guarantee the normal performance. 8. Confirm the downloaded version name and etc. : *#5002*8376263# Full Reset : *2767*3855# SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 15 Array course control SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 16: Exploded View/Disassembly&Assembly Instructions

    5-1. Cellular phone Exploded View QMW02 QFR01 QKP01 QAR01 QLC01 QMP01 QME01 QAN05 QMI01 QSP01 QAN02 QMO01 QSC01 QIF01 QRE01 QRF03 QRF01 QCR06 QBA01 QBA00 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 17: Cellular Phone Part List

    MPR-TAPE SHEET INTENNA COVER GH74-27823A 　 QSP01 SPEAKER 3001-002018 　 QRE01 ASSY CASE-REAR GH98-01616A 　 QIF01 PMO-IF COVER V4 GH72-36725A 　 QRF03 PMO-COVER EAR V4 GH72-35742A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 18 GH68-02026A MANUAL-SFC GH68-04336A LABEL(P)-BARCODE RUSSIA GH68-08494A LABEL(R)-MAIN(SER) GH68-11762C MANUAL USERS-EU RUSSIAN GH68-11868A BOX-UNIT(SER) GH69-04190B MPR-SPONGE INTENNA CARRIER GH74-27236A MPR-TAPE RECEIVER GH74-29274A MPR-TAPE EMI SHEET GH74-29420A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 19: Disassembly&Assembly Instructions

    1. Remove the tape from front cover. regard of 2 hooks and lift up. 2. And Remove the receiver from front cover using removing hole. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 20 1. Remove the LCD module from PBA board 1. Verify all kinds of elements after finishing using soldering tip. disassembling SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 21 2. Attach the Tape on receiver air hole like 2. And locking the hook like picture. a picture. 3. Insert the mic in mic hole on front. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 22 Exploded View/Disassembly&Assembly Instructions 1. Assemble the rear to front from top side. 1. Fasten the 4 point of screw like picture. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 23 Exploded View/Disassembly&Assembly Instructions SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 24: Electrical Parts List

    2203-000254 C220 C-CER,CHIP 2203-005819 C223 C-CER,CHIP 2203-006348 C224 C-TA,CHIP 2404-001381 C300 C-CER,CHIP 2203-000254 C301 C-CER,CHIP 2203-000254 C302 C-CER,CHIP 2203-000254 C303 C-CER,CHIP 2203-000254 C304 C-CER,CHIP 2203-006260 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 25 2203-005482 C522 C-CER,CHIP 2203-006635 C523 C-CER,CHIP 2203-005993 C524 C-CER,CHIP 2203-006260 C525 C-CER,CHIP 2203-005481 C528 C-CER,CHIP 2203-005481 C529 C-CER,CHIP 2203-006260 C532 C-CER,CHIP 2203-005482 C534 C-CER,CHIP 2203-000995 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 26 INDUCTOR-SMD 2703-001180 L502 INDUCTOR-SMD 2703-002206 L503 INDUCTOR-SMD 2703-001180 L504 INDUCTOR-SMD 2703-001673 L700 INDUCTOR-SMD 2703-002768 L800 BEAD-SMD 3301-001659 LED700 0601-002037 LED701 0601-002037 LED702 0601-002037 LED703 0601-002037 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 27 2007-000143 R315 R-CHIP 2007-000171 R400 R-CHIP 2007-007107 R401 R-CHIP 2007-007142 R403 R-CHIP 2007-007142 R404 R-CHIP 2007-007107 R405 R-CHIP 2007-001320 R406 R-CHIP 2007-000142 R407 R-CHIP 2007-001317 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 28 2007-000171 R801 R-CHIP 2007-000171 R802 R-CHIP 2007-000171 R803 R-CHIP 2007-000566 R804 R-CHIP 2007-000566 R805 R-CHIP 2007-000566 R806 R-CHIP 2007-000566 R807 R-CHIP 2007-000566 R808 R-CHIP 2007-000140 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 29 0406-001223 VR711 DIODE-TVS 0406-001223 VR712 DIODE-TVS 0406-001223 ZD400 DIODE-TVS 0406-001104 ZD800 DIODE-ZENER 0403-001547 ZD801 DIODE-ZENER 0403-001547 ZD802 DIODE-TVS 0406-001190 ZD803 DIODE-TVS 0406-001190 ZD804 DIODE-TVS 0406-001190 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 30: Block Diagrams

    SAW FILTER (GSM, DCS) (GSM, DCS) DCS Rx 0 / 90 Low-IF Digital ф EGSM Tx DCS Tx XOUT VCO + FREQUENCY SYNTHESIZER DCXO Crystal SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 31: Pcb Diagrams

    8. PCB Diagrams SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 32 PCB Diagrams Bottom SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 33: Flow Chart Of Troubleshooting

    Flow Chart of Troubleshooting 1. Baseband 9-1-1. Power ON 'Power ON' does not work check the current consumption Download again >= 100mA Check the Voltage of the Battery Charge the battery >= 3.3V Check the pin C152, Check C153,C155,C168 of "Power On"...
  • Page 34 Flow Chart of Troubleshooting VCCD VCCA C200 C201...

  • Page 35: Initial

    Flow Chart of Troubleshooting 9-1-2. Initial Initial Failure check the pin RSTB of UCP300 Check UCP300 is LOW? check the pin CKI Check of UCP300 is R104,R108,R200,C124 13Mhz? Check the clock signal check at pin #3 of OSC100 OSC100 Freq=26Mhz? Check the pin #9 of UCP300 is HIGH and pin Check UCP200...
  • Page 36 Flow Chart of Troubleshooting...

  • Page 37: Sim Part

    Flow Chart of Troubleshooting 9-1-3. Sim Part "Insert SIM" is displayed on the LCD The voltage is 2.8V Check the UCP200 at the pin#1 of Is there any signal Check the UCP200 & UCP300 pin #2,3,4 of SIM200? Check the SIM Card...
  • Page 38 Flow Chart of Troubleshooting...

  • Page 39: Microphone Part

    Flow Chart of Troubleshooting 9-1-4.Microphone Part * Call with Sim before testing. MicroPhone does not work Check the soldered Resolder microphone status of microphone Check the reference Resolder or change voltage on mic path C410 ≒ 2.0V Check UCP200 Is microphone OK?
  • Page 40 Flow Chart of Troubleshooting...

  • Page 41: Speaker Part

    Flow Chart of Troubleshooting 9-1-5. Speaker Part There is no sound from speaker Are there any signal at Replace the speaker module the speaker pad on PCB? Check R515, R516 of Check MEM600 U502. Voltage is ≥ 1V?
  • Page 42 Flow Chart of Troubleshooting 9-10...

  • Page 43: Lcd Backlight

    Flow Chart of Troubleshooting 9-1-6. LCD Backlight Backlight does not work Backlight ON "TIME" Select backlight "15 sec" mode mode in the menu? Check soldering pad Check FPCB between PBA and LCD Check U704 pin #6 = Check the LCD 10V ? 9-11...

  • Page 44: Gsm Rx

    Flow Chart of Troubleshooting 9-2. RF 9-2-1. GSM Rx CONTINOUS RX ON RF INPUT : 62CH AMP : -50dbm Normal condition Check ANT, R111,R100,C131,L110 catch the channel ? Check PAM100 Resolder or change pin 12 ≥ -65 CON100, L103, C100, L102, C101, L104 dbm ? Check PAM100 Resolder or change...
  • Page 45 Flow Chart of Troubleshooting 9-13...

  • Page 46: Dcs Rx

    Flow Chart of Troubleshooting 9-2-2. DCS Rx CONTINOUS RX ON RF INPUT : 698CH AMP : -50dbm Normal condition catch the Check ANT,R111,R101,C129,L108 channel ? Check PAM100 Resolder or change pin 12 ≥ -65 CON100, L103, C100, L102, C101, L104 dbm ? Check PAM100 Resolder or change...
  • Page 47 Flow Chart of Troubleshooting 9-15...
  • Page 48 Flow Chart of Troubleshooting 9-16...

  • Page 49: Gsm Tx

    Flow Chart of Troubleshooting 9-2-3. GSM Tx CONTINUS TX ON CONDITION TX POWER DAC : 554 CODE Check U101 Check and Check U101 APPLIED pin 15 : about change pin 6 : 2.8V ? CH : 62ch 2~3 dbm? UCP300, RBW : 100KHz UCP200 VBW : 100KHz...
  • Page 50 Flow Chart of Troubleshooting 9-18...

  • Page 51: Dcs Tx

    Flow Chart of Troubleshooting 9-2-4. DCS Tx CONTINUS TX ON CONDITION TX POWER DAC : 560 CODE Check and Check U101 APPLIED Check U101 change pin 15 : about CH : 698CH(DCS), pin 6 : 2.8V ? UCP300, 2~3 dbm? 660CH(PCS) UCP200 RBW : 100KHz...
  • Page 52 Flow Chart of Troubleshooting 9-20...

  • Page 53: 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 54 Reference Data 10-2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 55 ⓒ 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...

Table of Contents