Samsung SGH-E250D W Service Manual
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Samsung SGH-E250D W Service Manual

Samsung SGH-E250D W Service Manual

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GSM TELEPHONE
GSM TELEPHONE
SGH-E250D_W
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Summary of Contents for Samsung SGH-E250D W

  • Page 1: Table Of Contents

    GSM TELEPHONE SGH-E250D_W 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 11. Disassembly and Assembly Instructions...
  • Page 2 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. 12. Rev.1.0...

  • Page 3: 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 4 - 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 5: Specification

    2. Specification 2-1. GSM General Specification G SM 90 0 EG SM 9 00 DCS1800 PCS1900 Ph ase 1 Ph ase 2 Ph ase 1 Fr eq. 8 90~915 8 80~915 17 10~178 5 185 0~1910 Band[MHz] 9 35~960 9 25~960 18 05~188 0 193 0~1990 Uplin k/Down link...
  • Page 6 Speclflcation 2-2. GSM Tx Power Class TX Power TX Power TX Power GSM900 DCS1800 PCS1800 control level control level control level 33±2 dBm 30±3 dBm 30±3 dBm 31±2 dBm 28±3 dBm 28±3 dBm 29±2 dBm 26±3 dBm 26±3 dBm 27±2 dBm 24±3 dBm 24±3 dBm 25±2 dBm...

  • Page 7: Product Function

    -WAP 2.0 / Java MIDP 2.0 -MP3, AAC, MP4, 3GPP Decoding -Video Recording and Messaging -GSM/GPRS Class 10 -Triple Band(GSM900/DCS,PCS) -64 Poly -Speaker Phone -Voice Clarity SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 8 Product Function SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 9: Array Course Control

    4. Array course control Software Adjustments Test Jig (GH80-03306A) Test Cable (GH39-00499A) Serial Cable(CSA LL64151-A) Power Supply Cable RF CABLE (GH39-00397A) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 10 - if the binary file wanted, check only 'BIN' - if the tfs file wanted, check only 'TFS' - if all the files wanted, check 'BIN+TFS' SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 11 Array course control 3 . Select the file(s) what you want to download SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 12 Array course control SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 13: Exploded View And Parts List

    QME02 QMI01 QME11 QAN02 QMP01 QME03 QFR01 QRE01 QFL01 QVO01 QCR03 QCR03 QSC13 QBA01 QCW01 QCA05 QRF01 QHI01 QFR02 QCR17 QSC05 QIF01 QSC06 QBA00 QSD01 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 14 RMO-RUBBER SCREW SLIDE L GH73-08309A QSC06 RMO-RUBBER SCREW SLIDE R GH73-08310A QSC13 RMO-RUBBER SCREW REAR GH73-08311A QSD01 PMO-COVER M SD GH72-34245A QSP01 SPEAKER 3001-002213 QVO01 ASSY KEY-VOLUME GH98-03940A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 15 GH74-18462A LABEL(R)-WATER SOAK GH68-09361A MANUAL USERS-VODA GERMAN GH68-13908A MANUAL USERS-QSG VODA GERMAN GH68-14004A BAG PE 6902-000634 LABEL(P)-UNIT SEAL GH68-00518B LABEL(R)-MAIN(VODA_W) GH68-17334A CUSHION-CASE(VODA) GH69-05067A BOX-UNIT(VOD) GH69-05072A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 16: Main Electrical Parts List

    R-CHIP 2007-000162 R612 R-CHIP 2007-000170 R104 R-CHIP 2007-000170 R212 R-CHIP 2007-000170 R214 R-CHIP 2007-000171 L100 R-CHIP 2007-000171 R202 R-CHIP 2007-000171 R228 R-CHIP 2007-000171 R304 R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 17 R-CHIP 2007-009157 R407 R-CHIP 2007-009168 R605 R-CHIP 2007-009212 R607 R-CHIP 2203-000233 C106 C-CER,CHIP 2203-000233 C107 C-CER,CHIP 2203-000233 C114 C-CER,CHIP 2203-000233 C115 C-CER,CHIP 2203-000233 C116 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 18 C-CER,CHIP 2203-005050 C122 C-CER,CHIP 2203-005050 C509 C-CER,CHIP 2203-005050 C549 C-CER,CHIP 2203-005288 C101 C-CER,CHIP 2203-005288 C108 C-CER,CHIP 2203-005288 C109 C-CER,CHIP 2203-005288 C120 C-CER,CHIP 2203-005393 C547 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 19 C-CER,CHIP 2203-006257 C407 C-CER,CHIP 2203-006257 C408 C-CER,CHIP 2203-006257 C411 C-CER,CHIP 2203-006257 C413 C-CER,CHIP 2203-006257 C420 C-CER,CHIP 2203-006260 C503 C-CER,CHIP 2203-006260 C505 C-CER,CHIP 2203-006260 C534 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 20 INDUCTOR-SMD 2703-001749 L110 INDUCTOR-SMD 2703-002208 L101 INDUCTOR-SMD 2703-002208 L106 INDUCTOR-SMD 2703-002314 L102 INDUCTOR-SMD 2703-002608 L103 INDUCTOR-SMD 2703-002608 L104 INDUCTOR-SMD 2703-003113 L400 INDUCTOR-SMD 2801-004339 OSC400 CRYSTAL-SMD SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 21 U301 IC ASIC-SGHC420 GH70-02505A U104 ICT SHIELD-FRAME RF Please consult the GSPN website (Samsung Portal) for the most recent version of the product's part list. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 22: Block Diagrams

    7. Block Diagrams 7-1. BaseBand Solution Block Diagram + VD D _IO_ LO W P H O N E M EM O R Y C LKB UR S T (K A P29V G 00M -D 444) R S TEX Tn H A(2:17),H A (24) / H D(0:15) H A (0:1),H A (18:23) N O R...
  • Page 23 Block Diagrams...

  • Page 24: Pcb Diagrams

    8. PCB Diagrams - Top SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 25 PCB Diagrams - Bottom SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 26: Flow Chart Of Troubleshooting

    Check the VDD_GSM_CORE_1.2V circuit = 1.8V? Check for the clock at C110 Check the clock generation circuit (related to U106) = 26MHz Check the initial operation SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 27 Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 28 UCP200 pin C11 (RSTON) ="H"? Check the circuit related to reset UCP200 pin F1 change UCP200 (RSTEXTn) ="H"? Check the 16bit data signal & memory CE SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 29 Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 30 > 4.9V V_EXT_CHARGE Check the circuit related to U403 pin 34(AUX_ON) = "L"? AUX_ON signal Check the U403 pin 46 Resolder or replace U403 ≒ 1.4V 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 Check the Clock pin3 of SIM400 in a few second After SIM card insert, Replace PBA SIM400 pin 2 = "H(SIMRST)"? Check the SIM Card SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 33 Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 34 Resolder the C514, C520, R516, R519 from UCP200 to MIC Check F500 PIN 8 Check the JACK_IN signal = ' H' ? Check the MIC Replace the MIC SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 35 Flow Chart of Troubleshooting 9-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 36 U500 pin 15,17 ≒ 1.8V? Resolder U500 (When U500 operate) HDC600 pin 2,3 ≒ 1.8V? Resolder HDC600 (When U500 operate) Change the Speaker Is Speaker working? 9-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 37 Flow Chart of Troubleshooting 9-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 38 Check the Dome sheet & Key Pad pushed, is it displayed on LCD? When one of the keys is Replace the PBA pushed, KBIO signal is OK? 9-13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 39 Flow Chart of Troubleshooting 9-8. Receiver Part Receiver does not work Resolder UCP200 or Change PBA Is Receiver working? Replace the Receiver Is Receiver working? 9-14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 40 Is LCD Contrast set on high Set LCD Contrast on high level level in the Menu? Resolder HDC600 or change PBA HDC600 PIN 23 = H ? 9-15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 41 Main Key LED does not work Check the U401, U404 related to U401, U404 pin6 = "H"? "VDD_KEY" U401, U404 pin3 = 3.3V ? Change U401, U404 9-16 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 42 Flow Chart of Troubleshooting 9-17 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 43 HDC600 Pin21 = H? Resolder HDC600 or change PBA Check U106(pin8) related to C310 = 26MHz 26MHz and U603 Is there another problem? Replace the camera module 9-18 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 44 Flow Chart of Troubleshooting 9-19 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 45 25 >= -70dBm Check & Resolder U106 pin 4,5,6,7 U106 pin 16,17,29 C117,C123,C126 >= 0.2Vp-p 32,36>=2.8V RF26MHz, RF PSU Part Resolder U106 Check UCP200 9-20 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 46 <= -4dBm pin4,OK? Check +VBAT or PAM control signal U106 pin 16,17,29, U106 pin 4,5,6,7 Check 32,36 >= 0.2Vp-p U106,C117,C126,L123 >=2.8Vpin10>=1.8 Resolder U106 Check UCP200 9-21 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 47 36 >= -70dBm U106 pin Check & Resolder U106 pin 4,5,6,7 16,17,29,32,36>=2.8V U102,C117,C123,C126 >= 0.2Vp-p pin10>=1.8V RF26MHz, RF PSU Part Resolder U106 Check UCP200 9-22 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 48 Check +VBAT or PAM control signal U106 pin 16,17,29, U106 pin 4,5,6,7 Check & Resolder 32,36 >= 0.2Vp-p U106,C117,L123,C126 >=2.8Vpin10>=1.8 Resolder U106 Check UCP200 9-23 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 49 20 >= -70dBm pin 21 >= -70dBm U106 pin U106 pin 4,5,6,7 Check & Resolder 16,17,29,32,36 >= 0.2Vp-p U102,C117,C123,C126 >=2.8Vpin10>=1.8 Resolder U106 Check UCP200 9-24 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 50 Check +VBAT or PAM control signal U106 pin 16,17,29, U106 pin 4,5,6,7 Check & Resolder 32,36 >= 0.2Vp-p U106,C117,L123,C126 >=2.8Vpin10>=1.8 Resolder U106 Check UCP200 9-25 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 51 Flow Chart of Troubleshooting 9-26 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 52: 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 53 Reference data 10-2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 54: Disassembly And Assembly Instructions

    2) Lift main board 3) Detach the LCD Connector after slide down 1) Be careful of damaging F-PCB 1) Be careful of damaging components 11-1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 55 2) Be careful of body damage and scretch 1) Disassemble the key-pad 1) Unscrew 2 screws 1) Be careful of body damage and scretch 11-2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 56 1) Be careful of body damage and scretch 1) Be careful of body damage and scretch 2) Be careful of damaging F-PCB 2) Be careful of damaging camera F-PCB 11-3 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 57 Sub PBA 2) Disassemble SPK, MOT, CAMERA 1) Be careful of body damage and scretch 2) Be careful of sticking between two sides tape and 11-4 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 58 2) Attach conserving TAPE 2) Insert FPCB 1) Be careful of body damage and scretch 1) Be careful of damaging F-PCB 2) Be careful of damaging F-PCB 11-5 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 59 1) Insert both screw caps in each direction 1) Be careful of body damage and scretch 1) Check up the fitting between key pad and REAR 11-6 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 60 1) Assemble the FPCB with main board 2) Assemble the main board 1) Be careful of damaging BGA components 1) Be careful of body damage and scretch 11-7 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 61 2) Assemble the Key Connector 2) Attach RF Sheet,SCREW Cover of rear 1) Be careful of damaging BGA components 1) Be careful of body damage and scretch 11-8 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

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