Samsung GT-B6520 Service Manual
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Samsung GT-B6520 Service Manual

Gsm telephone
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GSM TELEPHONE
GSM TELEPHONE
GT-B6520
CONTENTS
3. Product Function
9. Reference data
Notice
All functionality, features, specifications and o
ther product information provided in this docu
ment including, but not limited to, the benefit
s, design, pricing, components, performance,
availability, and capabiliti - es of the product
are subject to change without notice or oblig
ation. Samsung reserves the right to make
changes to this document and the product
described herein, at anytime, without
obligation on Samsung to provide notification
of such change.

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Summary of Contents for Samsung GT-B6520

  • Page 1: Table Of Contents

    - es of the product are subject to change without notice or oblig ation. Samsung reserves the right to make changes to this document and the product described herein, at anytime, without obligation on Samsung to provide notification of such change.

  • 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

    (max (max (max (max (max +24dBm) (max +24dBm) +33dBm) +33dBm) +30dBm) +30dBm) Sensitivity -102dBm -102dBm -100dBm -100dBm -106.7dBm -106.7dBm TDMA Mux Cell Radius 35Km 35Km SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 5: Gsm Tx Power Class

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

  • Page 6: Operation Instruction And Installation

    － RF: Qualcomm RTR6285 － WLAN 802.11 b/g － A-GPS － FM RADIO － Video Sharing / Streaming － USB 2.0 － MMS / SMS SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 7: Exploded View And Parts List

    4. Exploded View and Parts List 4-1. Cellular phone Exploded View SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 8: Cellular Phone Parts List

    QMW01 ASSY COVER-MAIN WINDOW GH98-17562A QRE01 ASSY CASE-REAR GH98-16964A QRF06 PMO COVER-USB GH72-59495A QSD01 PMO COVER-SD GH72-59496A QVO01 PMO KEY-VOLUME GH72-59497A QCK01 PMO KEY-CAMERA GH72-59498A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 9: Main Electrical Parts List

    IC-ANALOG SWITCH U205 IC-RF SWITCH 1001-001607 1001-001645 U500 IC-ANALOG MULTIPLEX 1108-000348 UME300 IC-MCP 1201-002971 U202 IC-RF AMP 1201-003057 PAM101 IC-POWER AMP 1201-003060 PAM102 IC-POWER AMP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 10 R-CHIP 2007-000148 R430 R-CHIP 2007-000148 R502 R-CHIP 2007-000149 R112 R-CHIP 2007-000149 R423 R-CHIP 2007-000153 R603 R-CHIP 2007-000157 R207 R-CHIP 2007-000157 R208 R-CHIP 2007-000157 R417 R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 11 R-CHIP 2007-001217 R121 R-CHIP 2007-001217 R122 R-CHIP 2007-001292 R324 R-CHIP 2007-001292 R407 R-CHIP 2007-001292 R408 R-CHIP 2007-001298 R101 R-CHIP 2007-001298 R104 R-CHIP 2007-001298 R403 R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 12 C-CER,CHIP 2203-000330 C446 C-CER,CHIP 2203-000330 C447 C-CER,CHIP 2203-000330 C448 C-CER,CHIP 2203-000330 C449 C-CER,CHIP 2203-000438 C106 C-CER,CHIP 2203-000438 C109 C-CER,CHIP 2203-000438 C113 C-CER,CHIP 2203-000438 C128 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 13 C-CER,CHIP 2203-000812 C507 C-CER,CHIP 2203-000812 C509 C-CER,CHIP 2203-000812 C512 C-CER,CHIP 2203-000812 C513 C-CER,CHIP 2203-000812 C516 C-CER,CHIP 2203-000854 C230 C-CER,CHIP 2203-000995 C108 C-CER,CHIP 2203-000995 C121 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 14 C-CER,CHIP 2203-005682 C147 C-CER,CHIP 2203-005682 C150 C-CER,CHIP 2203-005682 C156 C-CER,CHIP 2203-005682 C176 C-CER,CHIP 2203-005682 C177 C-CER,CHIP 2203-005682 C178 C-CER,CHIP 2203-005682 C191 C-CER,CHIP 2203-005682 C192 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 15 C-CER,CHIP 2203-006048 C433 C-CER,CHIP 2203-006048 C434 C-CER,CHIP 2203-006048 C435 C-CER,CHIP 2203-006048 C436 C-CER,CHIP 2203-006048 C443 C-CER,CHIP 2203-006121 C253 C-CER,CHIP 2203-006190 C524 C-CER,CHIP 2203-006194 C138 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 16 C-CER,CHIP 2203-006423 C200 C-CER,CHIP 2203-006423 C203 C-CER,CHIP 2203-006423 C205 C-CER,CHIP 2203-006423 C206 C-CER,CHIP 2203-006423 C209 C-CER,CHIP 2203-006423 C221 C-CER,CHIP 2203-006423 C262 C-CER,CHIP 2203-006562 C426 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 17 C-CER,CHIP 2203-007279 C465 C-CER,CHIP 2203-007279 C518 C-CER,CHIP 2203-007279 C523 C-CER,CHIP 2203-007317 C112 C-CER,CHIP 2203-007317 C194 C-CER,CHIP 2203-007317 C412 C-CER,CHIP 2203-007317 C416 C-CER,CHIP 2203-007317 C429 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 18 2703-002203 L105 INDUCTOR-SMD 2703-002203 L115 INDUCTOR-SMD 2703-002204 L152 INDUCTOR-SMD 2703-002205 L216 INDUCTOR-SMD 2703-002207 L200 INDUCTOR-SMD 2703-002208 L132 INDUCTOR-SMD 2703-002208 L154 INDUCTOR-SMD 2703-002267 L116 INDUCTOR-SMD 5-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 19 2904-001850 F100 FILTER-SAW 2904-001944 F200 FILTER-SAW 2910-000073 DUF102 DUPLEXER-SAW 2910-000099 DUF101 DUPLEXER-SAW 2910-000100 DUF100 DUPLEXER-SAW 2911-000148 RFS101 DUPLEXER-FEM 3301-001756 L104 BEAD-SMD 3301-001756 L502 BEAD-SMD 5-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 20 P l e a s e c o n s u l t t h e G S P N w e b s i t e ( S a m s u n g P o r t a l ) f o r t h e m o s t r e c e n t v e r s i o n o f t h e p r o d u c t ' s p a r t l i s t . 5-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 21: Level 1 Repair

    - SSDN_V1.1.808.7165_SETUP_whql.exe 2) Download the files from anysvc. - The latest s/w download program of GT-B6520 - The latest s/w binary files of GT-B6520 3) Unpack .zip file in their folder. (To save binary file in each folder is recommended.) 4) Run the s/w download program(execution file).
  • Page 22 6) Enter to the download mode. ① Turn off the phone. ② Pushthe'volume down' + '9(V) + 'end'key. ③ Phone will enter to 'download mode' like this shape. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 23 ① Connect Phone though USB Data Cable. ② Port will be readied and 'Start' will be activated. 8) Click the 'Download Start', and then download is progressed automatically. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 24 9) If the download is completed rightly, it shows the content, 'download complete!'. And the phone is rebooted automatically. After that, disconnect the phone. ※ Caution. Never disconnect during the S/W downloading. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 25: Level 2 Repair

    1. Disassemble the rear from the SET's down side Disassemble REAR (2). Remove REAR. 1.Progress disassemble to direction of up side in up after disassembling down side SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 26 Disassemble PBA Ass'y (2) ⓛ ② 1.lift up PBA Ass'y from left side of Bracket 1. Unscrew PBA Ass'y 1 Point 2.Separate QWERTY Keypad Connector SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 27 1. Separate SIM Card Reader Connector with Tweezer carefully. carefully. Disassemble PBA Ass'y (2) Disassemble Bracket (1) 1.Separate Front Camera Connector with Tweezer 1. Unscrew Bracket 1 point carefully. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 28 1. Spread Hook 4 Points holding Front Remove QWERTY Keypad Separate LCD (1) 1.Separate LCD with tweezer carefully, using remove_aided spot. (Be careful not to damage LCD) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 29 Level 2 Repair Separate LCD (2) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 30 Assemble Bracket on UPPER Assemble CIF Camera & FPCB (1) 1. Screw Bracket 1 point & Check Hook 4 Points Locked well. 2. Assemble MIC on FRONT SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 31 Assemble CIF Camera & FPCB (2) Assemble CIF Camera & FPCB (3) Assemble PBA Ass'y.(2) Assemble PBA Ass'y.(1) ② ⓛ 1. Assemble QWERTY keypad connector 1. Land PBA on Bracket SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 32 Assemble PBA Ass'y.(2) Assemble Rear. 1. Assemble 2 point & Screw PBA 1 point 1.Assemble from UPPER's top. Screw rear 6 points. (TORQUE : 1.1 Kgf/cm) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 33 Mobile Phone - Service Parts Anyway Jig Adaptor IF Cable RF Cable GH99-36900A GH99-38251A GH39-01290A GH39-00985A - Standard Parts Power Supply Cable Serial Cable GPIB Cable SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 34 CDMA2000 TA CDMA2000 mobile test E1968A A.06.56 GSM/GPRS/EDGE Firmware E1987A Fast switching A.06.19 GSM/GPRS/EDGE/WCDMA/HSDPA/CDMA2000 E1962B B.10.11 IS-2000/IS-95/AMPS 002 RF source 2 Hardware 003 Flexible radio 7-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 35 GSM Polar Cal Option(WCDMA - Qualcomm Solution), If no option, it is impossible to do GSM EDGE cal of WCDMA. (GSM Tx Power error) 7-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 36 WCDMA-UE : Tx- WCDMA/ CMU-K65 SW support Tx Measurement of WCDMA tests(3GPP/FDD) GSM/ GPRS/ WCDMA-UE : DL- EGPRS CMU-K66 Generator(3GPP/F SW Support DL Generator for WCDMA. 7-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 37 This influence to the "Polar Modulation Calibration" test, in case of CMU-U65(v02) only supports up to 128 steps of test, CMU-U65(v04) supports up to 500 Steps. Currently Samsung UMTS calibration doing that with about 300 steps, so it requires CMU-U65(v0.4) 7-2-2. How to do calibration 1) Download the the latest calibration program from anysvc, and unpack the .zip file in...
  • Page 38 ① Select a final calibration program version. ② Write a H/W Version. ③ Select a Auto Cell and AutoBand. ④ Click the button, 'OK'. 7-14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 39 6) Click the 'M/A', and then click the 'OK'. 7) Connect a mobile phone when it shows the content, 'Insert a Phone...'. The calibration is progressed automatically. Insert a Phone... 7-15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 40 8) If the calibration is completed rightly, it shows the content, 'PASS'. PASS 9) Refer to the result of calibration in the folder, 'C:\DGD\LOGS'. - GT-B6520_RFCAL_YYYYMMDD_01.csv 7-16 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 41 Mobile Phone (with Battery) - Service Parts Anyway Jig Adaptor IF Cable GH99-36900A GH99-38251A GH39-01338A - Standard Parts Power Supply Cable Serial Cable USB Cable 7-17 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 42 - swallowtail-V4_48_0_0_WHQLed 2) Download the files from anysvc. - The latest IMEI program and INI file of GT-B6520 - DLL file (If your pc already has it, you can skip this.) 3) Make folders like below, and then locate each file in their folder.
  • Page 43 ② Confirm the COM port through the path : [window + Pause Break] Key → Hardware → Device manager → Port ex) USB Serial Port(COM1) 7-19 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 44 Level 2 Repair ③ Confirm the USB port through the blow step. - Click the 'OK'. - Click the 'OK'. 7-20 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 45 : [window + Pause Break] Key → Hardware → Device manager → Modem ex) SAMSUNG Mobile Modem - Exit and execute the IMEI program again. 7-21 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 46 - Select a correct USB port in the port setting section. ④ Confirm the WDM port through the step same as USB port. - Click the 'OK'. 7-22 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 47 Level 2 Repair - Click the 'OK'. - Click the 'GO', input the 'ID' and 'Password', input the IMEI digits. 7-23 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 48 SAMSUNG Mobile Modem Diagnostic Serial Port(WDM)(COM7) - Exit and execute the IMEI program again. - Select a correct WDM port in the port setting section, and then click 'OK'. 7-24 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 49 Level 2 Repair 8) Click the 'OK'. 9) Click the 'GO', input the 'ID' and 'Password', input the IMEI digits. 7-25 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 50 11) If the IMEI writing is completed rightly, it shows the content, 'PASS'. Disconnect the phone, and then check the IMEI No. is right by key string, '*#06#'. 7-26 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 51: Level 3 Repair

    8. Level 3 Repair 8-1. Block Diagram SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 52 Level 3 Repair 8-2. PCB Diagrams 8-2-1. Top SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 53 Level 3 Repair 8-2-2. Bottom SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 54 Check the U401 C430(VREG_MSME)=1.8V? (open, short, etc) C409(VREG_MSMP)=2.6V? C410(VREG_MSMA)=2.6V? Check the clock Check the clock generation circuit R403 = 19.2Mhz ? Check the initial operation SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 55 R413 TCXO_EN SET1 C420 C463 SET2 C429 C430 C431 C432 R434 REF_OUT TEST3 VOUT TEST4 REFBP REFOUT C435 C436 C433 C434 C437 C438 C439 BOTTOM SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 56 Check UCP300 (open, short, etc) F600, F601, F Replace 602, F603, F6 F600, F601, F602, 04, F605 Corr F603, F604, F605 ectly mounted? Replace UCP300 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 57 IN2 2 OUT2 OUT2 LCD_DE LCD_DE_F LCD_SPI_CS_N LCD_SPI_CS_N_F IN3 3 OUT3 OUT3 LCD_HSYNC LCD_HSYNC_F LCD_SPI_MOSI LCD_SPI_MOSI_F IN4 4 OUT4 OUT4 LCD_VSYNC LCD_VSYNC_F LCD_RST_N LCD_RST_N_F GND GND SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 58 Check 7,9(SPK mode)/ (SPK mode)/ 3,5(RCV mode) pins in ZD505,ZD512 HDC500 (RCV mode)? Signal on in C405,C406 Check U401(open, short, etc) (SPK mode)? Check UCP300(open, short, etc) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 59 REFOUT C435 C436 C433 C434 C437 C438 C439 HDC500 RCV_L CON_EARMIC RCV_R CON_EARSPK_L AMP_NOUT CON_EAREF AMP_POUT CON_EARSPK_R CON_FM_GND MOTOR_P 16 16 MOTOR_N C520 C521 BOTTOM SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 60 FPCB Change MIC break down? Check UCP300 Check (open, short, etc) C505 = High? Check L502, L505, C512, C513 (open, short, etc) 8-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 61 Level 3 Repair VMIC_BIAS1_1.8V C505 C506 R507 R508 C509 L502 MAIN_MIC_P KEY_MIC_P C512 C513 C518 L505 MAIN_MIC_N KEY_MIC_N C516 R509 R511 8-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 62 (crack, short, etc) SPK NG? 06,L507? Signal on Check U401 & neighb in C407, oring circuits C408? Check UCP300 The End (open, short, etc) 8-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 63 EAR_L HPH_L|AUD C333 EAR_R HPH_R|AUD HPH_VREF|AUD C329 CCOMP|AUD 3PI_ADC HKAIN0|RFI HKAIN1|RFI C405 SPK_L INA1 SPK_R INA2 U401 C407 EAR_L INB1 C408 EAR_R INB2 BOTTOM 8-13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 64 Key FPCB Disconnect or Break Down ? Change Key FPCB Check HDC602 Signal in D601,D6 02,D603,D604,D60 & Neighboring Circuits 5,D606,D607,D608? Check UCP300 (open, short, etc) 8-14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 65: Level 3 Repair

    KBR(1) KEY_MIC_N 23 23 24 24 KBR(0) KBC(5) NC NC 27 28 D607 KBC(6) D608 ON_SW C622 C623 C624 C625 C626 C627 C628 BOTTOM 8-15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 66 Key FPCB Disconnect or Replace Key FPCB Break Down Signal On in R Replace Key FPCB 606 or ZD606 Check UCP300 (open, short, etc) 8-16 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 67 Level 3 Repair VREG_MSMP_2.6V R605 FPC600 R606 VOL_UP KBR(4) KBC(6) 8-17 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 68 Connect HDC500 Connect correctly correctly? C511(VMOTOR_ Replace SPK MODULE 3.3V) = 3.3V? 3 pin in U501 Change U501 = "high"? Check UCP300 (open, short, etc) 8-18 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 69 Level 3 Repair V_BAT VMOTOR_3.3V U501 VOUT 1 TP500 VIB_EN VMOTOR_3.3V L501 56nH MOTOR_P 1005 C511 D500 C524 L504 MOTOR_N BOTTOM 8-19 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 70 (short, open, etc) Check the voltage Change CD400 12Pin = 0V Check the voltage Change U401(PMIC) C443 = 3.0V ? Check CD400, UCP300 & Neighboring Circuits 8-20 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 71 R420 R421 R422 CD400 MICROSD_DATA(0) MICROSD_DATA(1) DAT2 MICROSD_DATA(2) MICROSD_DATA(3) DAT3|CD MICROSD_CMD VDD 4 MICROSD_CLK DAT0 DAT1 COMMON TF_CARD_DET_N C445 C446 C447 C448 C449 C443 8-21 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 72 (crack, short, etc) Check the TR400 or Check the voltage Change the U401(PMIC) C464 = 3.0V ? Check SIM400, TR400, UCP300 & Neighboring Circuits 8-22 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 73 Level 3 Repair VREG_USIM_3.0V UIM_FET_PWR_CTL TR400 R423 SIM400 SIM_RST SIM_CLK SIM_DATA NCNC 11 12 13 14 C464 BOTTOM 8-23 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 74 Change the SOC600 (short, etc) Check the voltage C600 = 2.8V Change the U401(PMIC) C601 = 1.8V C460 = 2.8V Check UCP300, SOC600 & Neighboring Circuits 8-24 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 75 TCXO_EN SET1 C420 C463 SET2 C429 C430 C431 C432 R434 REF_OUT TEST3 TEST4 VOUT REFBP REFOUT C435 C436 C433 C434 C437 C438 C439 BOTTOM 8-25 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 76 HDC600 (short, etc) Check the voltage C600 = 2.8V Change the U401(PMIC) C601 = 1.8V C460 = 2.8V Check UCP300, HDC600 & Neighboring Circuits 8-26 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 77 TCXO_EN SET1 C420 C463 SET2 C429 C430 C431 C432 R434 REF_OUT TEST3 VOUT TEST4 REFBP REFOUT C435 C436 C433 C434 C437 C438 C439 BOTTOM 8-27 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 78: Gsm850 Receiver

    RFS101 Pin7 Check PMIC(U401) =2.7V circuit(crack,open,etc) (C105,107) Resolder or change RFS101 U100 Pin 50,51 Resolder or change L106,L108,L109 >= -75dBm Check U100 & UCP300 (crack,open,etc) 8-28 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 79 L145 DUF100 L119 C173 C190 C193 C196 C184 L148 L144 C136 R114 C168 C122 C158 L130 C164 C165 DUF102 L134 C181 C180 C152 C157 8-29 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 80: Gsm850 Transmitter

    Resolder or Change PAM100 > = 4dBm (C103) Check VBAT or PAM control signal(Pin5,6) U100 pin 55 Resolder C139,R121,101,122 >= 0dBm Check U100 & UCP300 (crack,open,etc) 8-30 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 81 L145 DUF100 L119 C173 C190 C193 C196 C184 L148 L144 C136 R114 C168 C122 C158 L130 C164 C165 DUF102 L134 C181 C180 C152 C157 8-31 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 82: Gsm900 Receiver

    RFS101 Pin7 Check PMIC(U401) =2.7V circuit(crack,open,etc) (C105,107) Resolder or change RFS101 U100 Pin 48,49 Resolder or change L111,L112,L113 >= -75dBm Check U100 & UCP300 (crack,open,etc) 8-32 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 83 L145 DUF100 L119 C173 C190 C193 C196 C184 L148 L144 C136 R114 C168 C122 C158 L130 C165 C164 DUF102 L134 C181 C180 C152 C157 8-33 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 84: Gsm900 Transmitter

    Resolder or Change PAM100 > = 4dBm (C103) Check VBAT or PAM control signal(Pin5,6) U100 pin 55 Resolder C139,R121,101,122 >= 0dBm Check U100 & UCP300 (crack,open,etc) 8-34 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 85 L145 L119 DUF100 C173 C190 C193 C196 C184 L148 L144 C136 R114 C168 C122 C158 L130 C164 C165 DUF102 L134 C181 C180 C152 C157 8-35 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 86: Dcs Receiver

    RFS101 Pin7 Check PMIC(U401) =2.7V circuit(crack,open,etc) (C105,107) Resolder or change RFS101 U100 Pin 46,47 Resolder or change C119,C120,L114 >= -75dBm Check U100 & UCP300 (crack,open,etc) 8-36 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 87 L145 DUF100 L119 C173 C190 C193 C196 C184 L148 L144 C136 R114 C168 C122 C158 L130 C164 C165 DUF102 L134 C181 C180 C152 C157 8-37 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 88: Dcs Transmitter

    Resolder or Change PAM100 > = 4dBm (C103) Check VBAT or PAM control signal(Pin5,6) U100 pin 56 Resolder C131,R119,104,120 >= 0dBm Check U100 & UCP300 (crack,open,etc) 8-38 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 89 L145 DUF100 L119 C173 C190 C193 C196 C184 L148 L144 C136 R114 C168 C122 C158 L130 C164 C165 DUF102 L134 C181 C180 C152 C157 8-39 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 90: Pcs Receiver

    RFS101 Pin7 Check PMIC(U401) =2.7V circuit(crack,open,etc) (C105,107) Resolder or change RFS101 U100 Pin 44,45 Resolder or change L150,151,115 >= -75dBm Check U100 & UCP300 (crack,open,etc) 8-40 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 91 L145 L119 DUF100 C173 C190 C193 C196 C184 L148 L144 C136 R114 C168 C122 C158 L130 C164 C165 DUF102 L134 C181 C180 C152 C157 8-41 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 92: Pcs Transmitter

    Resolder or Change PAM100 > = 4dBm (C103) Check VBAT or PAM control signal(Pin5,6) U100 pin 56 Resolder C131,R119,104,120 >= 0dBm Check U100 & UCP300 (crack,open,etc) 8-42 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 93 L145 DUF100 L119 C173 C190 C193 C196 C184 L148 L144 C136 R114 C168 C122 C158 L130 C165 C164 DUF102 L134 C181 C180 C152 C157 8-43 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 94 F103 Pin 1 Resolder C188,L138 >=-75dBm F103 Pin 3,4 Resolder or change F103 >=-75dBm U100 Pin 28,29 Resolder L139,C187,C189 >=-75dBm Check U100 & UCP300 (crack,open,etc) 8-44 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 95 PRX_QN WDRXHB1 PRX_IN WDRXHB2 PRX_IP WPRXSE1 DRX_QP VDDA2 RTR_W2100_RX DRX_QN WPRXSE2 DRX_IP WPRXSE1_OUT C183 R117 L137 C187 WCDMA_RXM_2100 F103 C188 L139 C189 L138 WCDMA_RXP_2100 8-45 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 96 L145 DUF100 L119 C173 C190 C193 C196 C184 L148 L144 C136 R114 C168 C122 C158 L130 C164 C165 DUF102 L134 C181 C180 C157 C152 8-46 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 97 PA_R1(Pin2) = 0 ~ 0.5V F101 Resolder or change F101 Pin1 >= 0dBm U100 Resolder C179,L143 Pin59 or C179 >= 0dBm Check U100 & UCP300 (crack,open,etc) 8-47 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 98 C136 VMODE1 C135 L142 VBAT PAM101 PA_ON_W900 C153 VEN_B8 RFOUT_B1 TRX_WCDMA2100 PA_ON_W2100 F101 VEN_B1 PAM_RFOUT_W2100 C179 RFIN_B1 L147 L126 L143 DUF101 C130 L129 C145 8-48 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 99 L145 DUF100 L119 C173 C190 C193 C196 C184 L148 L144 C136 R114 C168 C122 C158 L130 C164 C165 DUF102 L134 C181 C180 C157 C152 8-49 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 100 >= -65dBm DUF102 Pin 1 Resolder or change DUF102 >= -70dBm U100 Pin33,34 Resolder L134,C180,C165,L136, or C143 L140,C164,C181,C123 >= -80dBm Check U100 & UCP300 (crack,open,etc) 8-50 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 101 TRX_WCDMA1900 C158 TRX_WCDMA1900 L130 C122 DUF102 RX 1 L134 C164 WCDMA_RXM_1900 C165 4 5 7 8 9 C170 L140 C123 L136 C180 C181 WCDMA_RXP_1900 8-51 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 102 L145 DUF100 L119 C173 C190 C193 C196 C184 L148 L144 C136 R114 C168 C122 C158 L130 C164 C165 DUF102 L134 C181 C180 C157 C152 8-52 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 103 PA_R1(Pin2) = 0 ~ 0.5V F102 Resolder or change F102 Pin 1 >= 0dBm U100 Resolder L148,C168 Pin58 or L148 >= 0dBm Check U100 & UCP300 (crack,open,etc) 8-53 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 104 VBA T L132 RX 1 RF_IN RF_OUT VMODE1 CPL_IN 4 5 7 8 9 C169 C170 PA_R1 VMODE0 PA_ON_W1900 CPL_OUT R113 PWR_DET R115 R116 8-54 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 105 L145 DUF100 L119 C173 C190 C193 C196 C184 L148 L144 C136 R114 C168 C122 C158 L130 C164 C165 DUF102 L134 C181 C180 C157 C152 8-55 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 106 Pin 1 or 8 Resolder or change DUF102 >= -70dBm U100 Pin29, 30 or C140 Resolder L146,L144,L145,C140 >= -75dBm Check U100 & UCP300 (crack,open,etc) 8-56 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 107 RX_PCS1900_P TRX_WCDMA2100 TRX_WCDMA900 TRX_WCDMA1900 C127 TRX_WCDMA900 L116 C134 L144 DUF100 6 WCDMA_RXP_900 RX 1 3 TX L146 C140 L145 WCDMA_RXM_900 2 4 5 C136 8-57 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 108 L145 DUF100 L119 C173 C190 C193 C196 C184 L148 L144 C136 R114 C168 C122 C158 L130 C164 C165 DUF102 L134 C181 C180 C157 C152 8-58 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 109 PA_R1(Pin2) = 0 ~ 0.5V F100 Resolder or change F102 Pin 1 >= 0dBm U100 Resolder C163,L142 Pin57 or C136 >= 0dBm Check U100 & UCP300 (crack,open,etc) 8-59 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 110 C136 VMODE1 C135 L142 VBAT PAM101 PA_ON_W900 C153 VEN_B8 RFOUT_B1 TRX_WCDMA2100 PA_ON_W2100 F101 VEN_B1 PAM_RFOUT_W2100 C179 RFIN_B1 L147 L126 L143 DUF101 C130 L129 C145 8-60 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 111 L145 DUF100 L119 C173 C190 C193 C196 C184 L148 L144 C136 R114 C168 C122 C158 L130 C164 C165 DUF102 L134 C181 C180 C157 C152 8-61 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 112 Check RX Matching Circuit. Resolder C240,C241,L216 C240,C241,L216 (crack,open,etc) Check U202 Check C230, R205,C231 Pin8 = 2.4V and UCP300, U401 Pin12 = 2.7V (crack,open,etc) (crack,open,etc) 8-62 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 113 Level 3 Repair VREG_RFRX1_2.7V GPS_LNA_ON R205 C231 C230 ANT201 C239 C240 C241 RFOUT 10 RX_GPS RFIN U202 L201 C260 L216 8-63 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 114 4 / 6 /8 (crack,open,etc) = L / L / H Check U203~U205 Resolder C235,C257 (C235,C257) CHECK U401 Check VBT_2.6V (crack,open,etc) C245=2.6V? CHECK U203 (crack,open,etc) 8-64 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 115 SPI_PCM#_SEL U203 SYS_CLK|XTAL_IN R208 PCM2_IN VREGIN_H R207 PCM2_OUT VREGOUT_H BT_RST_N PCM2_CLK VREG_ENABLE_RST# PCM2_SYNC AUDIO_IN_L AUDIO_IN_R C247 FM_LOUT AUDIO_OUT_L C248 FM_ROUT C245 C246 C250 AUDIO_OUT_R 8-65 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 116 C250 C625 C237 C624 C232 C234 C623 C245 R208 C233 C246 C236 BAT400 R400 C404 L204 C215 D608 D606 D601 D604 D602 ZD603 ZD602 8-66 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 117 Resolder C212,C213,C226,L210,C244 Check U201~U205 and F201, F202 R,LC, F201,F202, Check VDD C203 = 2.6V, CHECK U401 C208,209=1.8V, (crack,open,etc) C217,261=3.3V, C255=1.8V, CHECK U201, OSC200, (crack,open,etc) 8-67 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 118 Level 3 Repair 8-68 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 119 C250 C625 C237 C624 C232 C234 C623 C245 R208 C233 C246 C236 BAT400 R400 C404 L204 C215 D608 D606 D601 D604 D602 ZD603 ZD602 8-69 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 120 Check ANT matching Resolder L217,218,C243 circuit.(L217,218,C243) (crack,open,etc) Check FM OUT Pin. Resolder C247,248 (C247,C248) (crack,open,etc) CHECK U401 Check VDD (crack,open,etc) C245=2.6V CHECK U203, (crack,open,etc) 8-70 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 121 C214 C209 C200 C256 C628 C627 C243 C248 C247 C622 C626 R207 C250 C625 C237 C624 C232 C234 C623 C245 R208 C233 C246 C236 8-71 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 122 ● ○ ○ ○ ○ ○ ○ ○ ○ ○ ● 　 2) Bottom View 　 　 　 　 　 　 　 　 　 　 　 　 　 8-72 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 123 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 1) ● : NC point 2) Bottom View 8-73 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 124 1) ● : NC point ● ○ ○ ● ○ ○ ○ 2) Top View : See-Through 　 　 　 　 　 　 　 　 　 8-74 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 125: Reference Abbreviate

    ― QPSK: Quadrature Phase Shift Keying ― RS : Reed-Solomon ― SI : Service Information ― TDM : Time Division Multiplexing ― TS : Transport Stream SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 126 GT-B6520 SERVICE SCHEMATICS 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. < RF Part 1 > < ANT PAD >...
  • Page 127 GT-B6520 SERVICE SCHEMATICS 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. < RF Part 2 > VREG_MSMP_2.6V Bluetooth WIFI TX...
  • Page 128 GT-B6520 SERVICE SCHEMATICS 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. < BB Part 1 > VREG_MSMP_2.6V VREG_MSMC1_1.2V VREG_MSMC2_1.2V VREG_MSME_1.8V VREG_MSME_1.8V...
  • Page 129 GT-B6520 SERVICE SCHEMATICS 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. < PMIC, SIM , T-Flash > V_BAT VUSB_FET_5V R400...
  • Page 130 GT-B6520 SERVICE SCHEMATICS 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. < Speaker, Mic ,Earjack , Motor > Baseband Part...
  • Page 131 GT-B6520 SERVICE SCHEMATICS 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. Baseband Part < CAMERA, LCD, Key> Power On Charging...
  • Page 132 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. 2010. 07. Rev.1.0...

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