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Samsung GT-B7510, Service Manual

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Samsung GT-B7510 Service Manual Download Page 27

SAMSUNG Proprietary-Contents may change without notice

Level 3 Repair

8-10

This Document can not be used without Samsung's authorization

Check the connection

GSM900 RX LINE

8-3-4. GSM900 RX

CONTINUOUS RX ON

RF INPUT : 62CH

Amplitude : -50dBm

Put more lead solder

@L105,C114,C189,L111,

L110,C113,C115,L107

PAM100 CHECK

@RFS100

≥

-65dBm ?

Put more lead solder RFS100,

L110,C113,C115,L107

Put more lead solder

each terminal

NO

YES

NO

NO

YES

YES

Check the voltage

PAM100 @ C116

≥

3.0V

YES

NO

Put more lead solder

C119,L113,L114,L115,L116

NORMAL CONDITION

catch the channel?

Phone can't catch GSM900 network

END

Does Phone catch

the GSM900 network?

YES

Back to

previous step

Replace Board(PBA)

NO

Summary of Contents for GT-B7510

Page 1: ...pecifications and other product information provided in this document inclu ding but not limited to the benefits design pricing components performance availability and capabiliti es of the product are subject to change without notice or obligation Samsung reserves the right to make changes to this document and the product described herein at anytime without obligation on Samsung to provide notific...

Page 2: ...is Service Manual is a property of Samsung Electronics Co Ltd Any unauthorized use of Manual can be punished under applicable International and or domestic law Samsung Electronics Co Ltd 2011 02 Rev 1 0 ⓒ ...

Page 3: ... rate Bit Period 270 833kbp s 3 692us 270 833kbp s 3 692us 270 833kbp s 3 692us 270 833kbp s 3 692us 3 84Mcps 3 84Mcps Time Slot Period Frame Period 576 9us 4 615ms 576 9us 4 615ms 576 9us 4 615ms 576 9us 4 615ms FrameLengt h 10ms Slotlength 0 667ms FrameLengt h 10ms Slotlength 0 667ms Modulation 0 3GMSK 0 3GMSK 0 3GMSK 0 3GMSK QPSKHQPS K QPSKHQPS K MS Power 33dBm 5dB m 33dBm 5dB m 30dBm 0dB m 30d...

Page 4: ...0 23 2 dBm 11 21 2 dBm 12 19 2 dBm 13 17 2 dBm 14 15 2 dBm 15 13 2 dBm 16 11 3 dBm 17 9 3dBm 18 7 3 dBm 19 5 3 dBm TX Power control level DCS1800 0 30 3 dBm 1 28 3 dBm 2 26 3 dBm 3 24 3 dBm 4 22 3 dBm 5 20 3 dBm 6 18 3 dBm 7 16 3 dBm 8 14 3 dBm 9 12 4 dBm 10 10 4 dBm 11 8 4 dBm 12 6 4 dBm 13 4 4 dBm 14 2 5 dBm 15 0 5 dBm TX Power control level PCS1900 0 30 3 dBm 1 28 3 dBm 2 26 3 dBm 3 24 3 dBm 4 ...

Page 5: ...7 2M B1 B8 3 Mega pixel AF Camera 1 5 CMOS LCD 2 8 LQVGA TFT 1350mA standard Battery 3 5pi Earjack Earphone Micro USB Power Data Wi Fi 802 11b g n Bluetooth v3 0 USB v2 0 High Speed A GPS FM w RDS input QWERTY Key C Type single TSP Audio mp3 ogg aac mid xmf rtttl imy rtx ota amr wav mxmf Image bmp gif jpg png wbmp agif Video MPEG4 H 263 H 264 3gp mp4 B B MSM7227 turbo 800M PMIC MAX8899 Tranceiver ...

Page 6: ...ut Samsung s authorization 6 1 S W Download 6 1 1 Pre requsite for S W Downloading GT B7510 Mobile Phone Battery USB cable JIG BOX GH99 36900A RF Test Cable GH39 00985A JIG Cable GH39 01339A Adapter GH99 38251A Downloader Program Odin Multi Downloader v4 38 Binary files PC Windows XP 7 The settings for download ...

Page 7: ...hich is Odin Multi Downloader v4 38 2 Load the files of OPS BOOT PHONE PDS CSC from the folder that you saved binary files CLICK the each Naming Button and select the file OPS OPS file BOOT APBOOT_ phone MODEM_ PDA CODE_ CSC CSC_ 3 Turn On the Mobile with push Q Button to enter the Download mode and check the Download Logo on LCD QWERTY Key Pad Download Logo 4 Click the Start button when a port is...

Page 8: ...ts may change without notice Level 1 Repair 6 3 This Document can not be used without Samsung s authorization 5 After downloading finished successfully there is a PASS message 6 Check the binary version using key streaming 1234 ...

Page 9: ...PSK Binary Phase Shift Keying CA Conditional Access CDM Code Division Multiplexing C I Carrier to Interference DMB Digital Multimedia Broadcasting EN European Standard ES Elementary Stream ETSI European Telecommunications Standards Institute MPEG Moving Picture Experts Group PN Pseudo random Noise PS Pilot Symbol QPSK Quadrature Phase Shift Keying RS Reed Solomon SI Service Information TDM Time Di...

Page 10: ...orn away Use a thicken twisted wire when you measure level A thicken twisted wire has low resistance therefore error of measurement is few Repair after separate Test Pack and Set because for short danger for example an overcurrent and furious flames of parts etc when you repair board in condition of connecting Test Pack and tuning on Take specially care of soldering because Land of PCB is small an...

Page 11: ...ined your body before you touch semiconductor or parts with semiconductor There are ways that you touch an earthed place or wear static electricity prevention string on wrist Use earthed soldering steel when you connect or disconnect ESD Use soldering removing tool to break static electricity otherwise ESD will be damaged by static electricity Don t unpack until you set up ESD on product Because m...

Page 12: ...notice 4 Exploded View and Parts List 4 1 This Document can not be used without Samsung s authorization 4 1 Cellular phone Exploded View QLB01 QRE01 QCA01 QSP01 QME03 QFR01 QLC01 QKP01 QMI01 QCR67 QBA01 QBC00 QMP01 QME01 QAR01 QVO01 QRF06 QCK01 QAN02 ...

Page 13: ...8A QMP01 A S ASSY PBAMAIN COMM GT B7510 GH82 05631A QLC01 ELA MODULE LCD MODULE GT B7510 GH96 05085A QCA01 ASSY CAMERA 3M AF MODULE GT B7510 GH96 05091A QFR01 ASSY CASE FRONT GH98 18418A QBC00 ASSY COVER BATT GH98 18420A QKP01 ASSY KEYPAD QWERTY GH98 18421A QLB01 ASSY BRACKET LCD GH98 18430A QME01 KEY FPCB QWERTY KEY GT B7510 GH59 10713A QAR01 ASSY ETC RCV EAR JACK ASSY GH59 10737A QRE01 ASSY CASE...

Page 14: ...ing damage 1 Be careful not to make scratch and molding damage 1 Push out REAR to both side 1 Detach Power Key FPCB and Cammera Key FPCB 2 Be careful not to damage to FPCB Use tweezer 7 1 Disassembly and Assembly Instructions 7 1 1 Disassembly Release Screw 7 Point at REAR 1 2 3 Disjoint hook on the both side of the REAR Disassemble REAR 4 Disjoint Hook on the bottom of the REAR ...

Page 15: ...be used without Samsung s authorization 1 Detach Earjack LCD Qwerty key FPCB 3point 1 Hold up Main PBA from left 1 Disassemble Cammera Module from PBA 2 Disassemble SPK Module from PBA 8 7 Disassemble Module from PBA 5 Disassemble FPCB Disassemble Main PBA from the FRONT Ass y 6 Complete disassembly ...

Page 16: ...air 7 3 This Document can not be used without Samsung s authorization 1 Assemble left hook first 2 Assemble right hook 1 Assemble fiting to silk line 7 1 1 Assembly 1 2 3 4 Set a PBA and FRONT Ass y Assemble PBA on FRONT Ass y Assemble Camera module Assemble SPK module ...

Page 17: ...e Earjack LCD Qwerty key FPCB 3point 2 Be careful not to damage to FPCB 1 Assemble matching location from earjack of rear upper 1 Be careful not to make scratch and molding damage 1 Drive Screws at 6 points with torque 1 1 0 1 Kgf 5 6 Assemble FRONT Ass y on REAR Assemble PBA on FRONT Ass y Drive Screws at 6 points 7 Assemble FRONT Ass y on REAR 8 ...

Page 18: ...SAMSUNG Proprietary Contents may change without notice 8 Level 3 Repair 8 1 This Document can not be used without Samsung s authorization 8 1 Block Diagram ...

Page 19: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 2 This Document can not be used without Samsung s authorization 8 2 PCB Diagrams 8 2 1 Top ...

Page 20: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 3 This Document can not be used without Samsung s authorization 8 2 2 Bottom ...

Page 21: ... lead soler each terminal inner clock problem Put more lead solder each terminal 1 Charge the Battery 2 If 0V put more lead C455 NO NO YES Check the VBAT Voltage C455 3 3V YES NO Download binary again NO Current consumption 100mA NO YES END Is the soldered status of SW602 ON KEY O K YES 1 Put more lead each terminal 2 Replace KEY602 NO YES YES Is It power turned on YES NO Back to previous step If ...

Page 22: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 5 This Document can not be used without Samsung s authorization C153 ...

Page 23: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 6 This Document can not be used without Samsung s authorization ...

Page 24: ...art Check the connection of HEA401 to SIM card insert SIM card again after check connection HEA401 Replace the SIM SPK module NO YES YES NO END Does Phone accept the SIM card YES NO Put more lead each terminal YES Back to previous step Replace Board PBA Check the voltage C461 3 0V Insert SIM card is displayed on the LCD NO Check the SIM SPK Module ...

Page 25: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 8 This Document can not be used without Samsung s authorization ...

Page 26: ... 65dBm Put more lead solder RFS100 L110 C113 C115 L107 NO YES NO NO YES YES Check the voltage PAM100 C116 3 0V YES NO Put more lead solder C119 L113 C118 C120 L112 END Does Phone catch the GSM850 network YES Back to previous step Replace Board PBA Phone can t catch GSM850 network NORMAL CONDITION catch the channel Check the connection GSM850 RX LINE Put more lead solder each terminal CONTINUOUS RX...

Page 27: ...m Put more lead solder L105 C114 C189 L111 L110 C113 C115 L107 PAM100 CHECK RFS100 65dBm Put more lead solder RFS100 L110 C113 C115 L107 Put more lead solder each terminal NO YES NO NO YES YES Check the voltage PAM100 C116 3 0V YES NO Put more lead solder C119 L113 L114 L115 L116 NORMAL CONDITION catch the channel Phone can t catch GSM900 network END Does Phone catch the GSM900 network YES Back to...

Page 28: ... CONTINUOUS RX ON RF INPUT 698CH Amplitude 50dBm PAM100 CHECK RFS100 65dBm Put more lead solder RFS100 L110 C113 C115 L107 Put more lead solder each terminal NO YES NO NO YES YES Check the voltage PAM100 C116 3 0V YES NO Phone can t catch DCS network NORMAL CONDITION catch the channel END Does Phone catch the DCS network YES Back to previous step Replace Board PBA NO Put more lead solder L105 C114...

Page 29: ...Bm AM100 CHECK RFS100 65dBm Put more lead solder RFS100 L110 C113 C115 L107 Put more lead solder each terminal NO YES NO NO YES YES Check the voltage PAM100 C116 3 0V YES NO Put more lead solder C129 L120 C138 C140 L121 Phone can t catch PCS network NORMAL CONDITION catch the channel Put more lead solder L105 C114 C189 L111 L110 C113 C115 L107 END Does Phone catch the PCS network YES Back to previ...

Page 30: ...122 PAM100 CHECK RFS100 65dBm Put more lead solder RFS100 L110 C113 C115 L107 Put more lead solder each terminal NO YES NO NO YES YES Check the voltage PAM100 C116 3 0V YES NO Phone can t catch WCDMA900 network NORMAL CONDITION catch the channel END Does Phone catch WCDMA900 network YES Back to previous step Replace Board PBA NO Put more lead solder L105 C114 C189 L111 L110 C113 C115 L107 CONTINUO...

Page 31: ... L130 C180 L128 L129 PAM100 CHECK RFS100 65dBm Put more lead solder RFS100 L110 C113 C115 L107 Put more lead solder each terminal NO YES NO NO YES YES Check the voltage PAM100 C116 3 0V YES NO Phone can t catch WCDMA2100 network NORMAL CONDITION catch the channel END Does Phone catch WCDMA2100 network YES Back to previous step Replace Board PBA NO Put more lead solder L105 C114 C189 L111 L110 C113...

Page 32: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 15 This Document can not be used without Samsung s authorization ...

Page 33: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 16 This Document can not be used without Samsung s authorization ...

Page 34: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 17 This Document can not be used without Samsung s authorization ...

Page 35: ...more lead solder each terminal Check the connection R106 Put more lead solder each terminal Put more lead solder each terminal NO YES NO NO YES YES Check TCXO CLOCK C112 19 2MHz YES NO Can t make a call in GSM network NORMAL CONDITION catch the channel END Can Phone make a call GSM network YES Back to previous step Replace Board PBA NO Put more lead solder L105 C114 C189 L111 L110 C113 C115 L107 ...

Page 36: ...lead solder each terminal heck the connection R105 Put more lead solder each terminal Put more lead solder each terminal NO YES NO NO YES YES Check TCXO CLOCK C112 19 2MHz YES NO Can t make a call in DCS PCS network NORMAL CONDITION catch the channel END Can Phone make a call DCS PCS network YES Back to previous step Replace Board PBA NO Put more lead solder L105 C114 C189 L111 L110 C113 C115 L107...

Page 37: ...ead solder each terminal Check the connection C162 C127 C128 Put more lead solder each terminal Put more lead solder each terminal NO YES NO NO YES YES Check TCXO CLOCK C112 19 2MHz YES NO Can t make a call in WCDMA900 network NORMAL CONDITION catch the channel END Can Phone make a call WCDMA900 network YES Back to previous step Replace Board PBA NO Put more lead solder L105 C114 C189 L111 L110 C1...

Page 38: ... solder each terminal Check the connection C162 L123 C150 C146 Put more lead solder each terminal Put more lead solder each terminal NO YES NO NO YES YES Check TCXO CLOCK C112 19 2MHz YES NO Can t make a call in WCDMA2100 network NORMAL CONDITION catch the channel END Can Phone make a call WCDMA2100 network YES Back to previous step Replace Board PBA NO Put more lead solder L105 C114 C189 L111 L11...

Page 39: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 22 This Document can not be used without Samsung s authorization ...

Page 40: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 23 This Document can not be used without Samsung s authorization ...

Page 41: ...on Check the connection C503 C508 8 3 13 Microphone Put more lead solder each terminal Check voltage R531 1 8V Put more lead solder C531 C513 NO YES NO NO YES YES Microphone does not work Is the connection of MIC500 O K END Does MIC work well ex voice recording YES Back to previous step Replace Board PBA NO Put more lead solder MIC500 ...

Page 42: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 25 This Document can not be used without Samsung s authorization ...

Page 43: ...07 L507 8 3 14 Earphone MIC Put more lead solder each terminal Check voltage C500 1 8V Put more lead solder R500 NO YES NO NO YES YES Earphone MIC does not work Is the connection of Earphone MIC O K END Does MIC work well ex voice recording YES Back to previous step Replace Board PBA NO 1 contact Earphone in Earjack connector again 2 Replace Earjack connector ...

Page 44: ..._MSMP_2 6V C529 ZD501 ZD502 R522 ZD514 TP_GND ZD508 R523 R520 C501 L509 R528 L506 L505 R521 L504 C526 L507 R527 TP_EAR_L ZD513 R524 8 8 9 9 17 NC NC 18 19 NC NC 20 VREG_MSMP_2 6V 15 15 16 16 2 2 3 3 4 4 5 5 6 6 7 7 1 1 10 10 11 11 12 12 13 13 14 14 HEA500 C523 VLCD_2 85V TP_FM_IN_2 ZD511 FM_ANT RCV_N RCV_P EAR_SPK_L EAR_SPK_R EAR_MIC_P JACK_INT_N PROXI_INT I2C_SCL EAR_ADC_3 5 I2C_SDA ...

Page 45: ...amsung s authorization 8 3 15 Receiver Check the connection R527 R528 Put more lead solder R527 R528 NO YES NO YES There is no sound from Receiver call Is the connection of Receiver HEA500 O K END Can hear sound from Receiver YES Back to previous step Replace Board PBA NO 1 contact receiver again 2 Replace receiver ...

Page 46: ..._MSMP_2 6V C529 ZD501 ZD502 R522 ZD514 TP_GND ZD508 R523 R520 C501 L509 R528 L506 L505 R521 L504 C526 L507 R527 TP_EAR_L ZD513 R524 8 8 9 9 17 NC NC 18 19 NC NC 20 VREG_MSMP_2 6V 15 15 16 16 2 2 3 3 4 4 5 5 6 6 7 7 1 1 10 10 11 11 12 12 13 13 14 14 HEA500 C523 VLCD_2 85V TP_FM_IN_2 ZD511 FM_ANT RCV_N RCV_P EAR_SPK_L EAR_SPK_R EAR_MIC_P JACK_INT_N PROXI_INT I2C_SCL EAR_ADC_3 5 I2C_SDA ...

Page 47: ...ound from Speaker play songs Replace Speaker Module END Is there problem at Speaker Module YES Back to previous step Replace Board PBA Still no sound from Speaker NO NO NO YES There is no vibration from vibration motor Is the connection of motor O K END Is there problem at vibration YES Replace Board PBA NO 1 Check motor contact MOT500 501 2 Check if motor lied on the rear appropriately Replace vi...

Page 48: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 31 This Document can not be used without Samsung s authorization ...

Page 49: ...O YES Occur Camera fail pop up Is the connection of Camera O K END Can enter camera mode YES Back to previous step Replace Board PBA NO 1 contact Camera again 2 Replace Camera Check the connection F600 F601 F609 Put more lead solder each terminal NO YES NO YES unusual color when phone camera mode Is the connection of Camera O K END when camera mode normal color YES Replace Board PBA NO 1 contact C...

Page 50: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 33 This Document can not be used without Samsung s authorization ...

Page 51: ... L509 8 3 18 FM radio Put more lead solder each terminal Check the connection fromTP_FM_IN_2 to L206 Put more lead solder each terminal NO YES NO NO YES YES FM Radio does not work well Is the connection of earphone O K END Can you turn on and search channel YES Back to previous step Replace Board PBA NO 1 contact earphone again 2 Replace earphone Put more lead solder each terminal NO ...

Page 52: ..._MSMP_2 6V C529 ZD501 ZD502 R522 ZD514 TP_GND ZD508 R523 R520 C501 L509 R528 L506 L505 R521 L504 C526 L507 R527 TP_EAR_L ZD513 R524 8 8 9 9 17 NC NC 18 19 NC NC 20 VREG_MSMP_2 6V 15 15 16 16 2 2 3 3 4 4 5 5 6 6 7 7 1 1 10 10 11 11 12 12 13 13 14 14 HEA500 C523 VLCD_2 85V TP_FM_IN_2 ZD511 FM_ANT RCV_N RCV_P EAR_SPK_L EAR_SPK_R EAR_MIC_P JACK_INT_N PROXI_INT I2C_SCL EAR_ADC_3 5 I2C_SDA ...

Page 53: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 36 This Document can not be used without Samsung s authorization ...

Page 54: ...8 3 19 Bluetooth Put more lead solder each terminal Check the connection C225 Put more lead solder each terminal NO YES NO NO YES YES Can t activate or search any Bluetooth devices Check the connection C239 L211 C214 END Can it Bluetooth activating searching YES Back to previous step Replace Board PBA NO 1 Put more lead solder each terminal 2 Replace BT_ANT ...

Page 55: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 38 This Document can not be used without Samsung s authorization ...

Page 56: ... voltage C224 2 7V C175 2 7V 8 3 20 GPS Put more lead solder each terminal Is the soldered status of C232 C231 L207 C230 C229 C241 Put more lead solder each terminal NO YES NO NO YES YES GPS does not work Is the soldered status of L205 O K END Does GPS work well YES Back to previous step Replace Board PBA NO 1 Put more lead solder 2 Replace L205 ...

Page 57: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 40 This Document can not be used without Samsung s authorization ...

Page 58: ...C211 3 3V C206 1 8V 8 3 21 Wi Fi Rx Tx Put more lead solder each terminal Put more lead solder each terminal NO YES NO YES Check TCXO CLOCK C208 C209 26MHz YES NO Wi Fi does not work Check the connection C239 L211 C214 END Can it wifi activation searching YES Back to previous step Replace Board PBA NO 1 Put more lead solder each terminal 2 Replace BT_ANT ...

Page 59: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 42 This Document can not be used without Samsung s authorization ...

Page 60: ...nt can not be used without Samsung s authorization 8 3 22 LCD Check the connection C412 Put more lead solder each terminal NO YES NO YES LCD does not work Is the connection of LCD O K END Does LCD work well YES Back to previous step Replace Board PBA NO 1 contact LCD again 2 Replace LCD ...

Page 61: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 44 This Document can not be used without Samsung s authorization ...

Page 62: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 45 This Document can not be used without Samsung s authorization 8 4 Schematic Diagram NC Point U400 ...

Page 63: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 46 This Document can not be used without Samsung s authorization UME300 ...

Page 64: ...www s manuals com ...

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