Samsung B2700 Service Manual
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Samsung B2700 Service Manual

Samsung B2700 Service Manual

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GSM TELEPHONE
Samsung B2700
GSM TELEPHONE
CONTENTS
11. Disassembly and Assembly
Instructions

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Summary of Contents for Samsung B2700

  • Page 1: Table Of Contents

    GSM TELEPHONE Samsung B2700 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.

  • Page 2: 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 3 ● 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 4: Specification

    2. Specification 2-1. GSM General Specification E G S M 9 0 0 GSM850 D CS 18 00 PCS1900 W C D M A Ph ase 2 F req . Ba nd[MHz] 8 24 ~ 84 9 8 80 ~9 15 17 10 ~17 85 1 85 0~ 19 10 19 20 ~19 80...

  • Page 5: Gsm Tx Power Class

    Specification 2-2. GSM TX power class TX Power TX Power GSM850 TX Power PCS1900 DCS1800 control level control level GSM900 control level 30±3 dBm 33±3 dBm 30±3 dBm 28±3 dBm 31±3 dBm 28±3 dBm 26±3 dBm 29±3 dBm 26±3 dBm 24±3 dBm 27±3 dBm 24±3 dBm...

  • Page 6: Product Function

    - Pedometer - Compass - Torch Light - 2M AF CMOS Camera - Music Player - FM Radio - Bluetooth 2.0 - USB 2.0 Highspeed SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 7: Array Course Control

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

  • Page 8: Software Downloading

    ㆍ Binary files 4-3. S/W Downloader Program 1. Load the binary download program by executing the " ". Flash loader v1.3 Lite 7.0.7_CRC_STALL.exe [Program main window] SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 9 Array course control 2. ㆍ Click "NAND_FLASH" to select type of memory chip of SAMSUNG B2700 on the location menu. Write" to select option on Command. ㆍ Check "Erase and ㆍ Check "USB" on Communication Settings. 3. Click "Partition Table"...
  • Page 10 If the previous processes were successful, you can find new window as below. 4. Click "Browse" button to load Binary file. Find a directory that binary files are saved. Select ".ppt" file and click (OPEN)" "열기 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 11 Right soft key". You must keep the this state until turn on the power of switch on a zig box then you find the message below. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 12 Array course control 7. If Binary is downloaded successively, you can find below message. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 13 Main PBA would be damaged by disconnection while downloading. If all files are downloaded, it is recommended to do full reset. Full reset : *2767*3855# SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 14: Exploded View And Parts List

    QDC01 QFR01 QVO01 QCR05 QKP01 QSC01 QIF01 QME01 QBR04 QLC01 QAR01 QME03 QMP01 QSH02 QSH01 QSP01 QSH03 QMO02 QAN02 QCA01 QCR12 QRE01 QCW02 QCR10 QBA00 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 15: Cellular Phone Parts List

    ASSY DECO-SIDE L GH98-08721A QIF01 PMO COVER-IF GH72-48198A QVO01 PMO KEY-VOLUME GH72-48201A QDC02 ASSY DECO-SIDE R GH98-08722A QCK01 PMO KEY-CAMERA GH72-48202A QCK02 PMO KEY-SOFT GH72-48203A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 16: Main Electrical Parts List

    IC-MCP 1201-002423 PAM100 IC-POWER AMP 1201-002461 PAM200 IC-POWER AMP 1201-002733 U500 IC-AUDIO AMP 1203-004358 U700 IC-DC/DC CONVERTER 1203-004571 U602 IC-MULTI REG. 1203-005254 U400 IC-POWER SUPERVISOR SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 17 R-CHIP 2007-000148 R708 R-CHIP 2007-000148 R709 R-CHIP 2007-000149 R311 R-CHIP 2007-000152 R612 R-CHIP 2007-000157 R218 R-CHIP 2007-000159 R409 R-CHIP 2007-000159 R410 R-CHIP 2007-000159 R412 R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 18 R-CHIP 2007-007090 R405 R-CHIP 2007-007133 R326 R-CHIP 2007-007586 R303 R-CHIP 2007-008048 R607 R-CHIP 2007-008048 R608 R-CHIP 2007-008052 R105 R-CHIP 2007-008056 R102 R-CHIP 2007-008419 R502 R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 19 C-CER,CHIP 2203-000550 C203 C-CER,CHIP 2203-000550 C239 C-CER,CHIP 2203-000812 C102 C-CER,CHIP 2203-000812 C118 C-CER,CHIP 2203-000812 C119 C-CER,CHIP 2203-000812 C120 C-CER,CHIP 2203-000812 C122 C-CER,CHIP 2203-000812 C514 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 20 C-CER,CHIP 2203-005682 C103 C-CER,CHIP 2203-005682 C128 C-CER,CHIP 2203-005682 C204 C-CER,CHIP 2203-005682 C208 C-CER,CHIP 2203-005682 C223 C-CER,CHIP 2203-005729 C706 C-CER,CHIP 2203-005732 C127 C-CER,CHIP 2203-005736 C117 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 21 C-CER,CHIP 2203-006048 C318 C-CER,CHIP 2203-006048 C319 C-CER,CHIP 2203-006048 C320 C-CER,CHIP 2203-006048 C321 C-CER,CHIP 2203-006048 C327 C-CER,CHIP 2203-006048 C329 C-CER,CHIP 2203-006048 C330 C-CER,CHIP 2203-006048 C405 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 22 C-CER,CHIP 2203-006305 C224 C-CER,CHIP 2203-006305 C226 C-CER,CHIP 2203-006318 L106 C-CER,CHIP 2203-006324 C602 C-CER,CHIP 2203-006324 C604 C-CER,CHIP 2203-006324 C711 C-CER,CHIP 2203-006324 C712 C-CER,CHIP 2203-006361 C409 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 23 C-CER,CHIP 2203-006824 C415 C-CER,CHIP 2203-006824 C416 C-CER,CHIP 2203-006825 C412 C-CER,CHIP 2203-006838 C232 C-CER,CHIP 2203-006838 C236 C-CER,CHIP 2203-006839 C101 C-CER,CHIP 2203-006839 C113 C-CER,CHIP 2203-006839 C115 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 24 INDUCTOR-SMD 2703-002267 L115 INDUCTOR-SMD 2703-002313 L600 INDUCTOR-SMD 2703-002365 L219 INDUCTOR-SMD 2703-002593 L216 INDUCTOR-SMD 2703-002793 L204 INDUCTOR-SMD 2703-002793 L210 INDUCTOR-SMD 2703-002798 C131 INDUCTOR-SMD 2703-002798 L220 INDUCTOR-SMD SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 25 BEAD-SMD 3301-001438 L801 BEAD-SMD 3301-001787 L601 CORE-FERRITE BEAD 3301-001787 L602 CORE-FERRITE BEAD 3301-001787 L603 CORE-FERRITE BEAD 3301-001787 L604 CORE-FERRITE BEAD 3301-001787 L605 CORE-FERRITE BEAD 6-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 26 IPR SHIELD-CAN CLIP GH70-03349A SC116 IPR SHIELD-CAN CLIP Please consuit the GSPN website(Samsung Portal) for the most recent version of the product's part list. 6-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 27: Disassembly And Assembly Instructions

    2) Disassemble rear case from front by lifting it at ※ caution the top of rear case.[Figure 2] 1) Be careful not to get a damage of the FPCB SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 28: Caution

    Key bracket. KEY PBA is difficult 1) Be careful not to make a damage of wire. to recycle. 2) Be careful not to make a damage of FPCB . SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 29: Caution

    Soldering. < Figure 1 > 1) After melting sodering, remove intenna from ※ caution 1) there are not screws on the PBA. Don't assemble screws SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 30 1) Contact MEGA Camera to connector.[Figure 1] ※ caution 2) Assemble Encloser on PBA .[Figure 2] 1)Be careful not to get a damage of FPCB WIRE. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 31 2) Firstly,Insert MIC into the MIC rib of FRONT. ※ caution [Figure 2 ] 1) Be careful of the position electric conduction ※ caution tape. 1) Be careful not to make a mistake. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 32 2) Assemble the right side.[Figure 2 ] on PBA.[Figure 2 ] ※ caution ※ caution 1) Verify the state of PBA. 1) Lock the Front and rear by pushing powerfully. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 33 1) The screw cap can be shared both side. 1) Check the screw torque and size. < Figure 1 > 1) Verify the SET.[Figure 1] SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 34: Block Diagrams

    8. Block Diagrams SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 35 Block Diagrams SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 36: Pcb Diagrams

    C230 C206 C346 L204 C337 C335 C226 R208 L212 L205 C334 R308 C207 R213 R309 F201 TP315 R214 TP312 TP314 SC114 ANT102 ANT10 0 ANT101 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 37 L210 C139 L209 L220 U601 RFS100 L208 C210 C211 C205 PAM200 C200 L115 C105 R614 C612 L201 C104 L200 C201 C208 L206 C215 C216 SC116 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 38: Chart Of Troubleshooting

    Check the PMIC output voltage Check U400 (C401,C402,C408,C415, C417,C430,C432) Check Pin#3 of OSC401 Check the clock generation circuit is 26MHz? (related to OSC401) Check the initial operation 10-1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 39 C430 C408 C403 C431 C402 TP400 C401 C417 C400 L401 C424 C416 C415 C429 R414 OSC400 C414 C428 R408 C427 C413 R405 C409 VR401 10-2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 40 Flow Chart of Troubleshooting <TCXO> OSC401 VCC_RX_TX_2.8V C111 26MHZ D_REF_CLK C113 R103 1 VCONT C117 10-3 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 41: Charging Part

    U400 R611, R613,R606, R612) <IF CONN.> ZD600 L601 C529 L602 R604 L603 R605 L604 ZD603 L605 R600 L606 C604 ZD602 R609 ZD601 R610 TP316 10-4 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 42 C603 C604 25 NC <BATT CON> R612 R606 TA600 BTC600 VCC_ADC_2.8V R606 BTC600 VBAT R611 MES_BATT C600 ZD604 TA600 C601 R612 R613 C605 VR600 10-5 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 43: Sim Part

    Check the voltage at pin#1 Check the U400 of SIM400 >= 3.0V ? Is there any signals Check the UCP300 pin#2,#3,#6 of SIM400 ? Check the SIM Card 10-6 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 44 Flow Chart of Troubleshooting <SIM Conn.> C232 R212 L211 C236 C227 C234 C238 L215 R415 C435 SIM400 VCC_SIM_3.0V SIM400 R415 SIMRSTn SIMCLK SIMIO ZD401 C435 10-7 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 45: Microphone Part

    Check the reference voltage on mic path Check the path around MIC bias circuit 2.15V @ R500 ? Is microphone ok? Check MiC Path or UCP300 10-8 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 46 R500 R502 C525 C501 C500 MICP MICP_CON C502 TA502 C503 C504 MICN MICN_CON R504 C507 C526 R505 Place near MIC Pad!! Place near MODEM 10-9 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 47: Receiver Part

    Check R800, R801 and UCP300 and L803? <Receiver Conn.> ZD806 ZD807 C81 0 C811 L80 2 L803 L802 R800 HFR1 L803 HFR2 R801 C803 C804 C810 C811 10-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 48: Speaker Part

    Is there any signals at R804 Check U500 and the circuit around U500 and R805 ? < Speaker Conn.> R804 SPK+ R805 SPK- C801 C802 10-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 49 C511 RXIN- OUT- R506 RXIN+ OUT+ C512 EARSPK_R INA1 INA2 EARSPK_L INB1 R507 C515 C516 C514 INB2 C513 BIAS C517 C518 SDA1 SCL1 C519 10-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 50: Earphone Part

    C511 RXIN- OUT- R506 RXIN+ OUT+ C512 EARSPK_R INA1 INA2 EARSPK_L INB1 R507 C515 C516 C514 INB2 C513 BIAS C517 C518 SDA1 SCL1 C519 10-13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 51 TXD1_J RXD1_J AUX_ON R609 USBDP 16 16 R610 USBDM 18 18 USB_D+_J USB_D-_J 22 NC C606 C607 23 NC C602 C603 C604 25 NC 10-14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 52: Fm Radio Part

    Check the Earphone and U101 Is there any signal at C318 Resolder the U101 and C319? Check UCP300 Replace the UCP300 Check the EAR/SPEAKER Path. 10-15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 53 TXD1_J RXD1_J AUX_ON R609 USBDP 16 16 R610 USBDM 18 18 USB_D+_J USB_D-_J 22 NC C606 C607 23 NC C602 C603 C604 25 NC 10-16 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 54 #2 ≥ -65dBm ? re-solder or change OSC401, C111 TCXO CLOCK CHECK? re-solder or change 26MHz @ C111 U100 U100 Check? change or re-solder UCP300 CHECK!! 10-17 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 55 #4 ≥ -65dBm ? re-solder or change OSC401, C111 TCXO CLOCK CHECK? re-solder or change 26MHz @ C111 U100 U100 Check? change or re-solder UCP300 CHECK!! 10-18 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 56 #6 ≥ -65dBm ? re-solder or change OSC401, C111 TCXO CLOCK CHECK? re-solder or change 26MHz @ C111 U100 U100 Check? change or re-solder UCP300 CHECK!! 10-19 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 57 #8 ≥ -65dBm ? re-solder or change OSC401, C111 TCXO CLOCK CHECK? re-solder or change 26MHz @ C111 U100 U100 Check? change or re-solder UCP300 CHECK!! 10-20 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 58 DUP200 CHECK? re-solder or change U201 U201 Check? change or re-solder OSC401, C111 TCXO CLOCK CHECK? re-solder or change 26MHz @ C111 UCP300 CHECK!! 10-21 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 59 C200 L115 C105 L201 C104 L200 C201 C215 C208 L206 C216 SC116 R209 C230 C206 L204 C226 R208 L212 L205 C207 R213 F201 R214 10-22 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 60 R214 MIX1_B NC15 D_REF_CLK REFIN RF_EN_3G RF_DAC1 RF_DAC2 RF_CLK_3G RF_DAC2 RF_DATA_3G VCCTX DATA VCC_TX_2.8V VGACTL 41 GND1 QTX_N QTX_P ITX_N C231 C230 ITX_P 3G_TX 10-23 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 61 CHECK C130, L106, Circuit ? C127 Check the Power F100 @Pin#20 of F100? re-solder or change RFS100 Check RFS100? change or re-solder Antenna re-solder or change 10-24 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 62 CHECK C131, L107, Circuit ? C128 Check the Power F100 @Pin#20 of F100? re-solder or change RFS100 Check RFS100? change or re-solder Antenna re-solder or change 10-25 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 63 Check DUP200? re-solder or change Check the Power F100 @Pin#20 of F100? re-solder or change RFS100 Check RFS100? change or re-solder Antenna re-solder or change 10-26 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 64 C139 L209 C207 R213 L220 RFS100 F201 R214 L208 C210 C211 C205 PAM200 C200 L115 C105 L201 C104 L200 C201 10-27 C208 L206 C215 C216 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 65 1 VCONT GSM_RXP_900 QRX_TX_N RFIEP GSM_RXM_900 RF_CLK RFIEN SCLK RF_DATA GSM_RXP_850 RFIAP SDIO GSM_RXM_850 RF_EN RFIAN _SEN C117 C115 R105 VCC_RX_TX_2.8V C126 D_REF_CLK BT_CLK_REQ 10-28 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 66 R214 MIX1_B NC15 D_REF_CLK REFIN RF_EN_3G RF_DAC1 RF_DAC2 RF_CLK_3G RF_DAC2 RF_DATA_3G VCCTX DATA VCC_TX_2.8V VGACTL 41 GND1 QTX_N QTX_P ITX_N C231 C230 ITX_P 3G_TX 10-29 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 67: Bluetooth Part

    Check the Clock @ CHECK pin#8 of U100 C234 ANT200 Check BT ANT? re-solder or change F202 Check F202 re-solder or change Exchange BT Module 10-30 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 68 TP205 CTS2 SDIO_DATA1|CSPI_INT|UART_RTS TEST_EN TP206 L216 TXD2 SDIO_DATA2|UART_RX TP207 RTS2 SDIO_DATA3|CSPI_CS#|UART_CTS N|CS BT_RST BT_LDO_1.5V SDIO_CLKCSPI_CLK N|CS SDIO_CMDCSPI_MOSI N|CS SDIO_SD_CS# N|CS C238 32KHZ_DIGIT CLK_32K U202 10-31 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 69: Reference Data

    - 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 70: Schematic Diagram

    ● ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ● 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 NC : ● 12-1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 71 ○ ○ ○ ● ● ● ● ○ N ○ ● ○ ○ ○ ○ ○ ○ ● ○ N P ○ ○ ○ ○ P 9 10 NC : ● 12-2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 72 SAMSUNG PROPRIETARY THIS DOCUMENT CONTAINS CONFIDENTIAL PROPRIETARY INFORMATION THAT IS SAMSUNG ELECTRONICS COS PROPERTY. DO NOT DISCROSE TO OR DUPLICATE FOR OTHERS GT-B2700 Service schematics EXCEPT AS AUTHORIZED BY SAMSUNG. RFS100 VCC_RX_TX_2.8V VCC_SYN_2.8V GSM850/900 TRX C101 C100 DCS1800/PCS1900 TRX C102...
  • Page 73 SAMSUNG PROPRIETARY THIS DOCUMENT CONTAINS CONFIDENTIAL PROPRIETARY INFORMATION THAT IS SAMSUNG ELECTRONICS COS PROPERTY. DO NOT DISCROSE TO OR DUPLICATE FOR OTHERS EXCEPT AS AUTHORIZED BY SAMSUNG. GT-B2700 Service schematics VBAT L200 L201 PAM200 C201 C200 VBAT VDD_IO_LOW_1.8V BB3G_REF_ON VCC_RX_2.8V VCC_TX_2.8V...
  • Page 74 PROPRIETARY INFORMATION THAT IS ADV_3.0V VDD_PLL_1.2V VDD_GSM_CORE_1.2V VCC_SIM_3.0V SAMSUNG ELECTRONICS CO’S PROPERTY. C300 DO NOT DISCLOSE TO OR DUPLICATE FOR OTHERS BB3G_VDDC AVDD_2.6V VDD_USB_3.3V EXCEPT AS AUTHORIZED BY SAMSUNG. VDDE1 VDDE2 R320 C346 BB3G_VDDC VDDE1 VDDE2 BB3G_GPO_3V(0) VCC_ADC_2.8V LOGIC THERMISTER...
  • Page 75 PROPRIETARY INFORMATION THAT IS VDD_PLL_1.2V VDD_USB_3.3V SAMSUNG ELECTRONICS CO’S PROPERTY. VCC_SIM_3.0V ADV_3.0V AVDD_HFA_2.6V DO NOT DISCLOSE TO OR DUPLICATE FOR OTHERS < PMIC > VCC_SYN_2.8V EXCEPT AS AUTHORIZED BY SAMSUNG. VCC_RX_TX_2.8V VCC_KEYLED_3.3V VDD_MEM_CARD_2.9V R414 AVDD_2.6V VDD_IO_HIGH_2.9V VDD_VIB_3.3V VBAT VBAT C405...
  • Page 76 SAMSUNG CONFIDENTIAL THIS DOCUMENT CONTAINS CONFIDENTIAL PROPRIETARY INFORMATION THAT IS SAMSUNG ELECTRONICS CO’S PROPERTY. DO NOT DISCLOSE TO OR DUPLICATE FOR OTHERS EXCEPT AS AUTHORIZED BY SAMSUNG. GT-B2700 Service schematics MICBIAS_2.15V R500 R502 C525 C501 C500 MICP MICP_CON VBAT C502...
  • Page 77 SAMSUNG CONFIDENTIAL THIS DOCUMENT CONTAINS CONFIDENTIAL PROPRIETARY INFORMATION THAT IS SAMSUNG ELECTRONICS CO’S PROPERTY. DO NOT DISCLOSE TO OR DUPLICATE FOR OTHERS GT-B2700 Service schematics EXCEPT AS AUTHORIZED BY SAMSUNG. FM_ANT VDD_IO_HIGH_2.9V VDD_IO_LOW_1.8V ZD600 L600 VDD_IO_HIGH_2.9V VBUS_5V VCHG_5V VBAT IFC600...
  • Page 78 SAMSUNG CONFIDENTIAL THIS DOCUMENT CONTAINS CONFIDENTIAL PROPRIETARY INFORMATION THAT IS SAMSUNG ELECTRONICS CO’S PROPERTY. GT-B2700 Service schematics DO NOT DISCLOSE TO OR DUPLICATE FOR OTHERS EXCEPT AS AUTHORIZED BY SAMSUNG. VDD_IO_HIGH_2.9V F700 HLC700 OUT1 LD(7) CON_LD(7) VBAT CAM_AVDD_2.8V CAM_DVDD_1.5V 2 IN2...
  • Page 79 SAMSUNG CONFIDENTIAL THIS DOCUMENT CONTAINS CONFIDENTIAL PROPRIETARY INFORMATION THAT IS SAMSUNG ELECTRONICS CO’S PROPERTY. DO NOT DISCLOSE TO OR DUPLICATE FOR OTHERS EXCEPT AS AUTHORIZED BY SAMSUNG. GT-B2700 Service schematics TAC800 TAC801 HDC800 KCOL(1) KROW(3) KCOL(1) KROW(1) L800 MICN_CON C806...
  • Page 80 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. 200 8 . 10. Rev.1.0...

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