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Samsung GT-E2120 Service Manual

Gsm telephone
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GSM TELEPHONE
GT-E2120
GSM TELEPHONE
CONTENTS
3. Product Function
9. Chart of Troubleshooting
10. Reference data

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Summary of Contents for Samsung GT-E2120

  • Page 1: Table Of Contents

    GSM TELEPHONE GT-E2120 GSM TELEPHONE CONTENTS 1. Safety Precautions 2. Specification 3. Product Function 4. Array course control 5. Exploded View and Parts list 6. MAIN Electrical Parts List 7. Block Diagrams 8. PCB Diagrams 9. Chart of Troubleshooting 10. Reference data 11.
  • 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. 2009. 07. Rev.1.0...

  • Page 3: Specification

    30 dBm ~ 0d Bm Power Cl ass (max +33dBm) (max +30dBm) Sensitivity -1 02dBm -1 00dBm T DM A M u x Cell Ra dius 35Km SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 4: Gsm Tx Power Class

    14±3 dBm 15±2 dBm 12±4 dBm 13±2 dBm 10±4 dBm 11±3 dBm 8±4dBm 9±3dBm 6±4 dBm 7±3 dBm 4±4 dBm 5±3 dBm 2±5 dBm 0±5 dBm SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 5: Main Function

    - FM intenna with Recording - Bluetooth 2.0 (SWA Only) - 40 Poly Sound & MP3 Ringtone - WAP 2.0 / MMS / E-mail - Java Games, Native Game SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 6: Array Course Control

    4. Array course control 4-1. Software Adjustments Test Cable (GH39-01160A) Test Jig (GH99-36900A) RF Test Cable (GH39-00985A) Adapter (GH99-38251A) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 7: Software Downloading

    4-2-2. Pre-requsite for Downloading • Downloader Program(Garua Downloader v1.0 for SEC_Lite) • GT-E2120 Mobile Phone • JIG BOX • Test Cable • Serial Cable • Binary files SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 8 1. Load the binary download program by executing the “Garua Downloader v1.0 for SEC_Lite”. Select the Port. 2. Select the binary files what you want to download SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 9 Array course control 3. Press the "Start" button and connect the Handset, then press " 확인 ". . 4.Press the "Download" button. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 10 Array course control 6. When downloading is complete, automatically the small window was showed up. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 11 - 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 12: 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 13 ● 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 14: Exploded View And Parts List

    5. Exploded View and Parts List 5-1. Cellular phone Exploded View QFR01 QIF01 QKP01 QLC01 QME01 QMP01 QMO01 QMI01 QSP01 QCA01 QSH01 QAN02 QRE01 QCW01 QCR89 QBA01 QBC00 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 15: Cellular Phone Parts List

    ASSY PBA MAIN-GTE2120 GH92-06213A QSH01 IPR SHIELD-CAN GH70-05437A QSP01 SPEAKER 3001-002509 QFR01 ASSY CASE-FRONT(ORG) GH98-14648A QIF01 PMO COVER-IF GH72-55269A QRE01 ASSY CASE-REAR(ORG) GH98-14647A QCW01 PCT WINDOW-CAMERA GH72-55275A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 16: Main Electrical Parts List

    PNX4902ET 1205-003835 U301 AIT701U 1404-001221 TH200 NCP15WB473J04RC 2007-000138 R136 RC1005J101CS 2007-000138 R320 RC1005J101CS 2007-000139 R120 RC1005J221CS 2007-000141 R117 RC1005J222CS 2007-000141 R118 RC1005J222CS 2007-000141 R119 RC1005J222CS SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 17 RC1005J510CS 2007-001298 R318 RC1005J510CS 2007-001298 R319 RC1005J510CS 2007-001301 R210 MCR01MZP5J680 2007-001311 R101 RC1005J271CS 2007-001333 R111 MCR01MZP5J183 2007-001333 R112 MCR01MZP5J183 2007-001333 R213 MCR01MZP5J183 2007-002970 R113 MCR01MZP5J560 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 18 GRP1555C1H330J 2203-002443 C102 GRP155R71H331KD01E 2203-002443 C105 GRP155R71H331KD01E 2203-002443 C153 GRP155R71H331KD01E 2203-002668 C103 C1005CG1H0R5BT 2203-002709 C134 C1005Y5V1C104ZT 2203-002709 C137 C1005Y5V1C104ZT 2203-002709 C141 C1005Y5V1C104ZT 2203-002709 C145 C1005Y5V1C104ZT SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 19 GRM155R60J105KE19D 2203-006399 C213 GRM155R60J105KE19D 2203-006399 C214 GRM155R60J105KE19D 2203-006399 C303 GRM155R60J105KE19D 2203-006399 C305 GRM155R60J105KE19D 2203-006399 C312 GRM155R60J105KE19D 2203-006399 C316 GRM155R60J105KE19D 2203-006438 C124 GRM155R60J334KE01D 2203-006438 C126 GRM155R60J334KE01D SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 20 AVRC-14S-03Q-030-200R 2904-001879 F100 SFR942PY002 3301-001158 L200 BLM18PG300SN1D 3301-001534 L201 BLM15AG121SN1D 3301-001534 L300 BLM15AG121SN1D 3301-001729 L301 BLM15AG102SN1D 3301-001756 L111 BLM15HG102SN1D 3301-001756 L113 BLM15HG102SN1D 3301-001756 L115 BLM15HG102SN1D SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 21 AOT-0603P-W03-BC 0601-002070 LED301 AOT-0603P-W03-BC 0601-002070 LED302 AOT-0603P-W03-BC 0601-002070 LED303 AOT-0603P-W03-BC 0601-002070 LED304 AOT-0603P-W03-BC 0601-002070 LED305 AOT-0603P-W03-BC 0801-002237 U305 TC7SH04FU-TE85L 0801-003213 U105 TC7SG08AFS(TPL3) 1003-001440 U307 MDC3105LT1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 22 RC1005J153CS 2007-000157 R307 RC1005J473CS 2007-000157 R308 RC1005J473CS 2007-000157 R309 RC1005J473CS 2007-000157 R310 RC1005J473CS 2007-000162 R212 RC1005J104CS 2007-000164 R321 RC1005J154CS 2007-000164 R322 RC1005J154CS 2007-000172 R211 RC1005J100CS SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 23 MCR01MZP5J560 2007-003025 R324 RMC16S-6R8J-TP 2007-003112 R125 MCR01MZP5J270 2007-003112 R126 MCR01MZP5J270 2007-007008 R115 RC1005J301CS 2007-007008 R116 RC1005J301CS 2007-007698 R207 RK73H1ETP5101F 2007-007942 R128 RC-1005F105CS 2007-008500 R214 SR73H2BTDR100F SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 24: Flow Chart Of Troubleshooting

    OSC201 produces clock Solder OSC201 again signal Not OK Check the L118 concerning about Jig Solder L118 again Power on Is Power On working? Repeat sequence SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 25 UART0_RD JIG_ON_IF USB_EN L118 JIG_ON R125 USB_DP R126 USB_DM R128 TA_DETECT 1005 NC 22 C147 C149 C150 C148 NC 23 R129 NC 25 ZD105 ZD104 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 26 C219 C224 C221 C220 C218 R203 D200 C131 R116 R114 R115 C214 C120 C122 C117 C123 C127 UCP201 C125 R207 TH200 L112 SPI_DI C132 C128 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 27: Sim Part

    VSIM_3.0V at the pin#1 Check the SIM Power SIM200 = "H"? Is there any signal pin Check UCP201 #2,3,4 of SIM201? Check the SIM Card SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 28 Flow Chart of Troubleshooting VSIM_3.0V R213 SIM_DATA SIM201 SIM_RST SIM_CLK 11 11 C232 C233 C234 R133 R134 R135 SD300 SIM201 R215 C237 R308 R211 R306 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 29 C142 again MIC_BIAS Not OK Check the circuit Solder L108, R131, ZD100 and ZD103 of MIC PART again. Is Phone MIC working? Replace MIC SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 30 R207 TH200 SPI_DI C132 C128 C118 R132 C109 C145 TP305 C113 C141 C111 R118 DU100 DD100 C142 F101 C200 FSC100 DCL100 L107 L120 MIC100 C151 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 31 ) Not OK Check the circuit Solder L111, L113 and R120 again of EAR MIC Repeat the sequence Is Earphone MIC working? SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 32 C150 C148 NC 23 R129 NC 25 ZD105 ZD104 MIC_BIAS R118 C140 L108 C141 MIC_P C142 R130 R131 MIC100 0ohm C145 MIC_N C146 R132 MAIN_MIC SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 33 C145 TP305 C113 C203 C141 C111 R118 L200 R106 DU100 DD100 C142 C215 C200 F101 L114 FSC100 DCL100 SC102 L107 L120 MIC100 C151 ANT101 9-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 34: Earphone Part

    Check the circuit of IFC100 , L115, L116 and L117 again Not OK Check the UCP201 Solder UCP201 or replace UCP201 Pin R19, T19, P19 9-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 35 R125 USB_DP R126 USB_DM R128 TA_DETECT 1005 NC 22 C147 C149 C150 C148 NC 23 R129 NC 25 ZD105 ZD104 Digital External Interface- UART 9-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 36: Charging Part

    Replace U200 Pin #1, #2 = 5V? Not OK Check the C238, C235 Solder C238, C235 and R214. and R214 Check the TA connection. 9-13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 37 Flow Chart of Troubleshooting VCHG_5V VBAT C238 ICHGN R214 U200 ACIN ICHGP ACIN CHGIN VCHG_P C235 VBAT GATDRV R215 C236 CHG_REG C237 9-14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 38: Speaker Part

    ZD101 and ZD102 ZD102 again Not OK Check Pin W18, W19 of Solder UCP201 again or replace UCP201 UCP201 Not OK Replace the speaker 9-15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 39 Flow Chart of Troubleshooting SPK_N HSET_OUT_N R210 SPK_P HSET_OUT_P EAR_SW HKSW_DET1 EAR_SW_REF HKSW_DET2 SPEAKER_PAD L109 33nH SPK_N C143 L110 SPK_P SPEAKER 9-16 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 40 C145 TP305 C113 C203 C141 C111 R118 L200 R106 DU100 DD100 C142 F101 C215 C200 L114 FSC100 DCL100 SC102 L107 L120 MIC100 C151 ANT101 9-17 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 41: Key Data Input

    Check the Dome sheet & Key FPCB pushed, is it displayed on LCD? When one of the keys is Replace the PBA pushed, KEY_IO signal is OK? 9-18 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 42 Set BACKLIGHT on Always ON in the Menu? Not OK Check the outflow voltage of Replace U303 U303(PIN 3) is equal to 3.7V Replace the LCD Module 9-19 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 43 Flow Chart of Troubleshooting VBAT U303 LCD_BL_EN -LED1 R325 RSET 1005 -LED2 C310 9-20 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 44: Key Back Light

    Is BACKLIGHT set Always Set BACKLIGHT on Always ON ON in the Menu? Not OK Resolder C309 and replace U302. Check KEY_EN and C309 Replace LED 9-21 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 45 LED302 LED303 LED304 LED305 KEY LED R215 C237 R308 R211 R306 R124 TP_GND R214 U301 U300 TP_RSTON R320 C313 C307 R311 C304 L300 U310 9-22 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 46: Gsm Receiver

    Check C125, C127, and L106 pin G1, F1 (EGSMRX) ≥ -65dBm Not ok Resolder or Change F100 Check UCP201 Resolder or Change MOD_STANDBY=HIGH UCP201 PON_PA=LOW BAND=LOW 9-23 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 47: Gsm Transmitter

    Flow Chart of Troubleshooting 9-12. GSM Transmitter TX ON (5Level) Resolder PAM100 PAM100 Pin16 (TX MODULE) ≥ 30dBm PAM100 pin4 0dBm ≥ Check UCP201 Resolder UCP201 9-24 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 48: Dcs Receiver

    E1, D1 (DCSRX) ≥ -65dBm > Not ok Resolder or Change F100 Check UCP201 Resolder or Change MOD_STANDBY= "HIGH" PON_PA= "LOW" UCP201 BAND= "HIGH" 9-25 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 49: Dcs Transmitter

    Flow Chart of Troubleshooting 9-14. DCS Transmitter TX ON (0Level) PAM100 Pin16 Resolder PAM100 ≥ 30dBm PAM100 pin2 0dBm ≥ Check UCP201 Resolder UCP201 9-26 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 50 C145 TP305 C113 C203 C141 C111 R118 L200 R106 DU100 DD100 C142 C215 F101 L114 C200 FSC100 DCL100 SC102 L107 L120 MIC100 C151 ANT101 9-27 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 51: Fm Radio Part

    U102? Is there any signals at the Not OK Pin# P 18 and #R18 of Solder UCP201 again UCP201? Not OK Replace the UCP201 9-28 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 52 C118 R132 C109 C145 TP305 C113 C203 C141 C111 R118 L200 DU100 DD100 C142 C215 C200 F101 FSC100 DCL100 SC102 L107 L120 MIC100 C151 9-29 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 53: Block Diagrams

    78MHz burst memory access Battery Memory IF Connector Audio Subsystem Ear MIC (20 Pin) Backend IC EAR SPK Camera SD Card (VGA) 1.52" 128x128 CSTN SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 54: Pcb Diagrams

    8. PCB Diagrams SEND DOWN DIGIT300 DIGIT302 DIGIT301 R316 R317 DIGIT303 DIGIT305 DIGIT304 DIGIT308 DIGIT306 DIGIT307 R315 SHARP STAR DIGIT309 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 55 C109 C145 TP305 C113 C203 C141 C111 R118 L200 R106 DU100 DD100 C142 L114 C215 C200 F101 FSC100 DCL100 SC102 L107 L120 MIC100 C151 ANT101 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 56: Disassembly And Assembly Instructions

    4. Disjoing 2 top point with screw driver 1) Be careful not to make scratch and molding damage! 1) Be careful not to make scratch and molding damage! 11-1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 57 8. Disassembled, PBA, front cover, keypad PBA, front cover, keypad 1) 1) Bware that you do not damage PBA 1) Beware that you do not damage PBA 11-2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 58 12. Disassembled tape with pincette 1) Beware that you do not damage speaker, motor and 1) Beware that you do not damage PBA intenna 11-3 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 59 15. Disassemble intenna with pincette 1) Beware that you do not damage speaker, motor and 1) Beware that you do not damage speaker, motor and intenna intenna 11-4 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 60 Exploded View and Parts List 16. Disassembled rear, speaker, tape, pogopin and motor 1) Beware that you do not damage speaker, motor and intenna 11-5 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 61 3. Assemble intenna with pincette 1) Beware that you do not damage speaker, motor and 1) Beware that you do not damage speaker, motor and intenna intenna 11-6 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 62 8. Insert camera in cam. socket 1) Beware that you do not damage PBA, MIC and CAM 1) Beware that you do not damage PBA, MIC and CAM 11-7 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 63 12. Assemble rear & front 1) Be careful not to make scratch and molding damage! 1) Be careful not to make scratch and molding damage! 11-8 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 64 1) Be careful not to make scratch and molding damage! 1) Be careful not to make scratch and molding damage! 15. Complete 1) Be careful not to make scratch and molding damage! 11-9 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

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