Samsung SGH-E870 Service Manual
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Samsung SGH-E870 Service Manual

Samsung SGH-E870 Service Manual

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GSM TELEPHONE
GSM TELEPHONE
SGH-E870
CONTENTS
1.
Safety Precautions
2.
Specification
3.
Product Function
4.
Array course control
5.
Exploded View and Parts List
6.
Disassembly and Assembly
instructions
7.
MAIN Electrical Parts List
8.
Block Diagrams
9.
PCB Diagrams
10. Flow Chart of Troubleshooting
11. Reference data

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Summary of Contents for Samsung SGH-E870

  • Page 1 GSM TELEPHONE SGH-E870 GSM TELEPHONE CONTENTS Safety Precautions Specification Product Function Array course control Exploded View and Parts List Disassembly and Assembly instructions MAIN Electrical Parts List Block Diagrams PCB Diagrams 10. Flow Chart of Troubleshooting 11. Reference data...

  • Page 2: Table Of Contents

    Contents 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. GMSK TX Power Level ..............2-2 2-3. EDGE TX Power Level ..............2-3 3. Product Function 4. Array course control Software Downloading 4-1.
  • Page 3 Contents 10-1-2. Initial ..................10-4 10-1-3. Sim Part ................10-6 10-1-4. Microphone Part ..............10-8 10-1-5. Speaker Part ................10-10 10-1-6. Camera Part ................10-12 10-1-7. Mp3 Display Part ..............10-14 10-2. RF 10-2-1. EGSM RX ................10-16 10-2-2. DCS RX ................10-17 10-2-3. PCS RX ................10-18 10-2-4. EGSM TX ................10-19 10-2-5.

  • 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 DCS1800 PCS1900 GSM 900 88 0~9 15 F r e q . Ba n d [ M Hz ] 1710~1785 1850~1910 Uplink/ Downlink 92 5~9 60 1805~1880 1930~1990 0~12 4 AR FC N range 512~885 512~810 &...

  • Page 7: Gmsk Tx Power Level

    Specification 2-2. GMSK TX power Level TX Power TX Power TX Power control GSM900 control DCS1800 control PCS1900 level level level 33±2 dBm 30±2 dBm 30±2 dBm 31±3 dBm 28±3 dBm 28±3 dBm 29±3 dBm 26±3 dBm 26±3 dBm 27±3 dBm 24±3 dBm 24±3 dBm 25±3 dBm...

  • Page 8: Edge Tx Power Level

    Specification 2-3. EDGE TX Power Level TX Power TX Power TX Power control DCS1800 control PCS1900 control GSM850 level level level 27±3 dBm 26±3 dBm 26±3 dBm 24±3 dBm 24±3 dBm 25±3 dBm 23±3 dBm 22±3 dBm 22±3 dBm 20±3 dBm 20±3 dBm 21±3 dBm 18±3 dBm...

  • Page 9: Product Function

    -Phone to TV View photos and video clips captured with the phone on your TV screen. -Java Enjoy Java ™ -based embedded games and download new games. 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 Test Jig (GH80-03307A) Test Cable (GH39-00127A) RF Test Cable (GH39-00397A ) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 11: Software Downloading

    – E870XXYY.cts : Default Contents binary. 4-2. Pre-requsite for Downloading • Downloader Program(OptiFlash.exe) • E870 Mobile Phone • Data Cable • Binary files • CTS files SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 12: 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 13 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 14 Set the directory path and choose the latest s/w binary, for example “E870XXYY.s3”, for the downloader binary setting. In case of E870 the reserved regions are not a necessity. (It is defined in platform.def file) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 15 Function of Flash option S-Record only : download binary only S-Record with Contens : download binary with default contents Contents only : download default contents SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 16 8. After finishing downloading, Certain memory resets should be done to guarantee the normal performance. 9. 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 17: Exploded View And Parts List

    QSC14 QFB02 QRF03 QLC01 QCA01 QSP01 QKP01 QMO01 QMP01 QME01 QMI03 QFL01 QAN05 QMI01 QMW01 QCR05 QSC01 QFB05 QCR12 QAN02 QRE01 QBA01 QCR05 QRF01 QBA00 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 18: Cellular Phone Part List

    GH75-08828A QHI01 MEC-HINGE GH75-09605A QFR01 MEC-COVER FRONT GH75-08829A QCH05 PMO-T FLASH COVER GH72-26489A QCK01 MEC-CAMERA KEY GH75-08835A QRF03 PMO-EAR COVER GH72-26490A QVO01 MEC-VOLUME KEY GH75-08836A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 19 GH74-21836A MPR-TAPE HOLE IC GH74-21837A MPR-TAPE MIC FPCB GH74-21838A MPR-SPEAK CENTER GASKET GH74-21840A MPR-TAPE SPEAK WIRE MASKING GH74-21841A MPR-VINYL BOHO REAR GH74-23610A MEC-HANGER ROPE GH75-00223T SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 20: Disassembly And Assembly Instructions

    1. Check SCREW CAP condition. 1. Do not damage , when combinate the FOLDER 2. Press SCREW CAP by cotton bud, to do not take UPPER. off assembly. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 21 2. Fix into HOLE, when put the SIM BRACKET. 2. Connect LCD CONNECTOR perfectly. 3. Check to come off the SIM FPCB at SIM 3. NO dust should be inside. BRACKET. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 22: Disassembly

    1. Do not scratch at rear cover & front. 2. When separate the front & folder, Check NO 2. Handle the PBA scratch or crack with care. bending. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 23 FLASH BRACKET. 2. Take care of LCD F-PCB. SEPERATING REAR INTENNA 1. Seperate the INTENNA at REAR. ※ caution 1. Do not scratch. 2. Don't be stained a fingerprint at INTENNA PATTERN. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 24: Kit Assembly

    2. Do not scratch LCD F-PCB by tweezers (fingerprint) when attach the PORON. 1. Check the extraneous matter condition. ※ caution 1. Do not touch front side of the LCD. (fingerprint) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 25: Main Electrical Parts List

    C-CER,CHIP 2203-006847 C132 C-CER,CHIP 2203-006123 C133 C-CER,CHIP 2203-006194 C135 C-CER,CHIP 2203-000233 C136 C-CER,CHIP 2203-006194 C137 C-CER,CHIP 2203-006194 C138 C-CER,CHIP 2203-006361 C139 C-CER,CHIP 2203-000254 C140 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 26 C-CER,CHIP 2203-006048 C306 C-CER,CHIP 2203-000812 C307 C-CER,CHIP 2203-000812 C308 C-CER,CHIP 2203-000812 C309 C-CER,CHIP 2203-006324 C310 C-CER,CHIP 2203-001153 C311 C-CER,CHIP 2203-000254 C312 C-CER,CHIP 2203-006048 C313 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 27 C-CER,CHIP 2203-002709 C405 C-CER,CHIP 2203-006562 C406 C-CER,CHIP 2203-006562 C407 C-CER,CHIP 2203-006562 C408 C-CER,CHIP 2203-006562 C409 C-CER,CHIP 2203-002982 C410 C-CER,CHIP 2203-002982 C411 C-CER,CHIP 2203-000854 C413 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 28 C-CER,CHIP 2203-006257 C444 C-CER,CHIP 2203-006257 C445 C-CER,CHIP 2203-006048 C446 C-CER,CHIP 2203-005819 C448 C-CER,CHIP 2203-000438 C449 C-CER,CHIP 2203-006562 C450 C-CER,CHIP 2203-006562 C451 C-CER,CHIP 2203-006324 C452 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 29 C-CER,CHIP 2203-005344 C539 C-CER,CHIP 2203-006562 C540 C-CER,CHIP 2203-006562 C541 C-CER,CHIP 2203-006048 C542 C-CER,CHIP 2203-005736 C543 C-CER,CHIP 2203-000854 C544 C-CER,CHIP 2203-000854 C545 C-CER,CHIP 2203-006562 C546 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 30 BATTERY-LI(2ND) 2809-001295 OSC101 OSCILLATOR-VCTCXO 2801-004373 OSC200 CRYSTAL-SMD 2801-004340 OSC401 CRYSTAL-SMD 2703-001178 R101 INDUCTOR-SMD 2007-008531 R102 R-CHIP 2007-008516 R103 R-CHIP 2007-008045 R104 R-CHIP 2007-000982 R105 R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 31 R-CHIP 2007-008483 R314 R-CHIP 2007-008478 R315 R-CHIP 2007-009115 R316 R-CHIP 2007-009115 R317 R-CHIP 2007-008542 R318 R-CHIP 2007-000171 R319 R-CHIP 2007-000831 R320 R-CHIP 2007-007311 R403 R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 32 R-CHIP 2007-007334 R437 R-CHIP 2007-000775 R438 R-CHIP 2007-000775 R439 R-CHIP 2007-008419 R444 R-CHIP 2007-001325 R445 R-CHIP 2007-008419 R446 R-CHIP 2007-008483 R447 R-CHIP 2007-008516 R448 R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 33 R-CHIP 2007-000140 R533 R-CHIP 2007-000140 R534 R-CHIP 2007-001290 R544 R-CHIP 2007-001290 R545 R-CHIP 2007-001339 R546 R-CHIP 2007-008055 R547 R-CHIP 2007-008419 R548 R-CHIP 2007-000690 R549 R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 34 IC-POWER SUPERVISOR 1203-003109 U501 IC-BATTERY 0406-001200 U502 DIODE-TVS 1001-001231 U503 IC-ANALOG SWITCH 3711-005933 U504 HEADER-BOARD TO BOARD 3709-001344 U505 CONNECTOR-CARD EDGE 0801-002958 U506 IC-CMOS LOGIC 7-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 35 0403-001511 ZD302 DIODE-ZENER 0406-001190 ZD500 DIODE-TVS 0406-001190 ZD501 DIODE-TVS 0403-001547 ZD502 DIODE-ZENER 0403-001427 ZD503 DIODE-ZENER 0406-001150 ZD504 DIODE-TVS 0406-001201 ZD505 DIODE-TVS 0406-001201 ZD506 DIODE-TVS 7-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 36: Block Diagrams

    8. Block Diagrams 8-1. RF Solution Block Diagram SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 37: Pcb Diagrams

    U503 U402 U105 U405 U501 ZD505 U506 U408 V312 ZD504 U303 U301 U304 U201 ZD302 U308 U102 F301 TP303 MIC401 CN504 ANT101 V500 C522 ZD502 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 38 PCB Diagrams MENU DOWN SEND CLEAR H_GPIO9 H_GPIO8 T_NINT T_OCS T_A(1) T_D(1) T_OEN TP301 TP201 TP302 DAICK DAIDO DAIDI DAIRN T_DSP_IO SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 39: Flow Chart Of Troubleshooting

    Check the clock signal Check the clock generation at pin #3 of OSC101 circuit (OSC101, U105 pin#4) Freq.=13MHz,Vrms ≥ 300mV Check the Initial operation 10-1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 40 VCON R104 C104 CLK13M_RF C105 VRF_2.8V C113 U105 1 NC C119 R107 CLK13M_HPE NC 5 C123 R108 3 GND CLK13M_CSP C124 R109 CLK13M_YMU C128 10-2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 41 Flow Chart of Troubleshooting 10-3 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 42: Initial

    The voltage is 2.8V Check the U302 at the C316,C317,C318 ? LCD Display OK ? Check the LCD part Sound operation OK ? Check the Audio part 10-4 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 43 C215 BRIGHTNESS MOT_EN SLCD_BL_EN SDS_TXD SDS_RXD KEY_COL(0:4) MCI_DAT0_EN KEY_COL(0) KEY_COL(1) MCI_CMD_EN KEY_COL(2) KEY_COL(3) KEY_COL(4) PSW1_BUF MCI_DAT0 MCI_CMD KEY_ROW(0:4) MCI_CLK KEY_ROW(0) KEY_ROW(1) KEY_ROW(2) KEY_ROW(3) KEY_ROW(4) 10-5 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 44: Sim Part

    "Insert SIM" is displayed on the LCD The voltage is 2.8V Check the U302 at the pin #3 of CN302? Check the SIM Card 10-6 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 45 Flow Chart of Troubleshooting CN302 SIM_CLK SIM_RST SIM_IO VSIM 11 12 10-7 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 46: Microphone Part

    Check the DC bias voltage on Mic path. Solder the microphone again The voltage of C422 is or Replace about 2.2V±10%? C422,C423,R415,R420,R421 Is microphone OK? Check U302 10-8 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 47 Flow Chart of Troubleshooting VCCA_2.9V R415 C422 C423 R420 R421 MAIN_MIC+ MICINP MICOUTP R428 C427 R429 C428 C431 R430 MAIN_MIC- MICINN MICOUTN R431 C432 10-9 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 48: Speaker Part

    Pin #4 of U201 Pin #2 of U408 U302, is High? is Low? U201 Pin 8 of U303 Check U303 is High? Check U302 10-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 49 C401 ROUT MP3+ EAR_R AOUTBP AOUTBP R404 R405 C412 C413 U408 EAR_SEL 3-4IN SPK_SEL 1-2IN LOUT EAR_L MP3- AOUTBN AOUTBN R411 R412 C416 C417 10-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 50: Camera Part

    Pin#3 of OSC401 is 27MHz? and check U201 Is that clock signal at the pin #36 of U504? Check Pin#26 of U504 is High? U403 10-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 51 H_GPIO9 GPIO2_D9 SD_D0_SCLK GPIO2_D10 SD_D1_SCMD GPIO2_D11 SD_D2_SD_0 GPIO2_D12 SD_D3_SD_1 GPIO2_D13 SD_D4_SD_2 GPIO2_D14 SD_D5_SD_3 GPIO2_D15 SIN0 STROBE SOUT0 TESTMODE TV_3.3V XCTS0 C_PWDN FLASH_RST XRTS0 M_RESET_N 10-13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 52: Mp3 Display Part

    Pin 4 of U407 Check The voltage of C435 is High? U407 is 3.3V? Check the U303 Check U302 Check the CN506 Check the U201 10-14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 53 R522 15 15 JIG_ON_IF USB_D+ 17 17 USB_D- 19 19 TA_VEXT NC 25 24 NC NC 28 C535 C536 C537 C538 ZD503 ZD501 ZD500 10-15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 54: Egsm Rx

    Pin #17 : 13MHz ? Vpp = 1.2V? Vpp : 1.1V? U106 C105, R104 OSC101 Change or resolder resolder Change or resolder Check U302 10-16 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 55: Dcs Rx

    Pin #17 : 13MHz ? R102 = 1.5V ? Vpp : 1.2V? Vpp : 1.1V? U106 C105, R104 OSC101 Change or resolder resolder Change or resolder Check U302 10-17 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 56: Pcs Rx

    Pin #17 : 13MHz ? R102 = 1.5V ? Vpp : 1.2V? Vpp : 1.1V? U106 C105, R104 OSC101 Check U302 Change or resolder resolder Change or resolder 10-18 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 57: Egsm Tx

    R102 = 1.5V ? Vpp : 1.2V? Vpp : 1.1V? OSC101 C105, R104 U106 Pin Change or resolder resolder #4, = 1.7V? Change U508 Check U302 10-19 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 58: Dcs & Pcs Tx

    R102 = 1.5V ? Vpp : 1.2V? Vpp : 1.1V? OSC101 C105, R104 U106 Pin Change or resolder resolder #4, = 1.7V? Change U508 Check U302 10-20 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 59 SX_EN SX_EN CAP_Q- C131 CAP_Q+ RX_Q- CAP_I- C132 C133 RX_Q+ CAP_I+ RX_I- DCS74945_OUT BAND_SEL RX_I+ BANDSEL RX_EN RX_EN 26MHZ_PAD LPF_ADJ R112 R113 GSM74945_OUT R119 10-21 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 60 52 GND30 GND17 GSM_IN R116 GSM74945_OUT DCS_OUT DPCS_OUT GND31 GND16 GND32 GND15 C146 C147 GND33 GND14 11 12 13 14 R118 GSM_OUT C150 C151 10-22 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 61: Reference Data

    PS : Pilot Symbol QPSK: Quadrature Phase Shift Keying RS : Reed-Solomon SI : Service Information TDM : Time Division Multiplexing TS : Transport Stream 11-1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 62 ⓒ 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. Code No.: GH68-08890A 2006. 05. Rev.1.0...

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