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GSM TELEPHONE

GT-S7230E

1. Safety Precautions
2. Specification
3. Product Function
4. Exploded View and Parts list
5. MAIN Electrical Parts List
6. Level 1 Repair
7. Disassembly and Assembly

Instructions

8. Chart of Troubleshooting
9. Reference data

Notice :

All functionality, features, specifications 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 notification of such change.

GSM TELEPHONE

CONTENTS

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Summary of Contents for GT-S7230E

Page 1: ...ity features specifications 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 p...

Page 2: ...d or domestic law Samsung Electronics Co Ltd 2010 09 Rev 1 0 ⓒ Country Web Site North America service samsungportal com Latin America latin samsungportal com CIS cis samsungportal com Europe europe samsungportal com China china samsungportal com Asia asia samsungportal com Mideast Africa mea samsungportal com GSPN Global Service Partner Network ...

Page 3: ...0406 001293 DIODE TVS ZD609 ZD700 ZD702 0406 001293 DIODE TVS U502 0406 001369 DIODE TVS ZD505 ZD701 ZD704 0406 001375 DIODE TVS Q300 0505 002384 FET SILICON U303 0801 003016 IC U501 1001 001585 IC U200 1001 001607 IC UME300 1108 000379 MEMORY PAM101 1201 002967 IC PAM100 1201 003068 IC PAM102 1201 003088 IC U408 1203 004524 IC U406 1203 004807 IC U409 1203 005074 IC U602 1203 006025 IC U400 1203 ...

Page 4: ...IP R403 2007 001320 R CHIP R362 2007 001339 R CHIP R324 2007 003014 R CHIP R363 2007 007021 R CHIP R205 R209 2007 007132 R CHIP R116 2007 007480 R CHIP R124 2007 007489 R CHIP R620 2007 007798 R CHIP R123 2007 007981 R CHIP R300 2007 008045 R CHIP R206 R207 R212 R213 2007 008055 R CHIP R214 2007 008055 R CHIP R320 2007 008213 R CHIP R501 R502 2007 008294 R CHIP R323 2007 008401 R CHIP R701 R702 R7...

Page 5: ...940 C CERAMIC CHIP C607 2203 000995 C CERAMIC CHIP C205 2203 001072 C CERAMIC CHIP C504 2203 001153 C CERAMIC CHIP C505 C506 2203 001239 C CERAMIC CHIP C511 2203 002487 C CERAMIC CHIP C169 2203 002668 C CERAMIC CHIP C244 2203 002677 C CERAMIC CHIP C157 C209 C213 C215 2203 002709 C CERAMIC CHIP C222 C253 C337 C500 2203 002709 C CERAMIC CHIP C232 2203 005057 C CERAMIC CHIP C117 2203 005234 C CERAMIC...

Page 6: ... C307 C313 2203 006399 C CERAMIC CHIP C316 C318 C320 C324 2203 006399 C CERAMIC CHIP C328 C409 C420 C423 2203 006399 C CERAMIC CHIP C424 C427 C428 C429 2203 006399 C CERAMIC CHIP C430 C431 C434 C435 2203 006399 C CERAMIC CHIP C437 C438 C439 C440 2203 006399 C CERAMIC CHIP C441 C457 C463 C465 2203 006399 C CERAMIC CHIP C468 C475 C535 C624 2203 006399 C CERAMIC CHIP C626 C628 2203 006399 C CERAMIC C...

Page 7: ... INDUCTOR L105 2703 001751 INDUCTOR L200 2703 001786 INDUCTOR L120 2703 001868 INDUCTOR L100 L101 L112 L113 2703 002176 INDUCTOR L504 2703 002231 INDUCTOR L118 2703 002267 INDUCTOR L107 2703 002593 INDUCTOR L115 L116 2703 002793 INDUCTOR L117 2703 002953 INDUCTOR L119 2703 002999 INDUCTOR L601 2703 003347 INDUCTOR L600 2703 003485 INDUCTOR L114 L404 2703 003685 INDUCTOR L400 L401 2703 003686 INDUC...

Page 8: ...CORE FERRITE BEAD L505 L511 3301 001986 CORE FERRITE BEAD CN100 3705 001731 CONNECTOR COAXIAL HDC600 3708 002162 CONNECTOR HDC401 HDC500 3710 002632 CONNECTOR SOCKET HEA600 3711 006101 CONNECTOR HEADER HDC400 3711 006923 CONNECTOR HEADER BTC600 3711 007312 CONNECTOR HEADER ANT103 3712 001348 CONNECTOR ANT100 ANT101 ANT200 3712 001361 CONNECTOR ANT201 3712 001361 CONNECTOR IFC500 3722 003065 JACK P...

Page 9: ...ly Instructions 7 1 1 Disassembly Disassemble RF COVER at REAR 1 2 3 Disassemble FRONT from REAR Detach Side key FPCB 4 Release Screw 7 Point at REAR 1 Be careful not to make scratch and molding damage 1 Be careful not to make scratch and molding damage 1 Lift FRONT upward 1 Detach Power Key FPCB and Cammera Key FPCB 2 Be careful not to damage to FPCB Use tweezer ...

Page 10: ...ithout Samsung s authorization 8 7 Disassemble Module from PBA 5 Disassemble FPCB Disassemble Main PBA from the FRONT Ass y 6 Complete disassembly 1 Detach LCD FPCB 2 Detach Earjack FPCB 1 Hold up Main PBA from left 2 Detach T flash FPCB 1 Disassemble SPK Module from PBA 2 Disassemble Cammera Module from PBA ...

Page 11: ...n not be used without Samsung s authorization 7 1 1 Assembly 1 2 3 4 Set a PBA and FRONT Ass y Assemble PBA on FRONT Ass y Assemble T Flash FPCB Assemble Camera module and SPK module 1 Assemble Camera module on PBA 2 Assemble SPK module and FPCB on PBA 1 Be careful not to make damage to FPCB 1 ...

Page 12: ... FRONT Ass y Assemble RF Cover and complete assembly 7 Assemble FRONT Ass y on REAR 8 1 Assemble Power Key FPCB and Cammera Key FPCB 2 Be careful not to damage to FPCB 1 Assemble LCD FPCB on PBA 1 Assemble Earjack FPCB FPCB on PBA 1 Be careful not to make scratch and molding damage 2 Drive Screws at 6 points with torque 1 1 0 1 Kgf ɜ 1 Be careful not to make scratch and molding damage ...

Page 13: ...ntents may change without notice 8 Level 3 Repair 8 1 This Document can not be used without Samsung s authorization 8 1 Block Diagram SD CARD USB Switch u USB IF Flash LED Driver Flash LED 4Gb oneNAND 2Gb SDR SDRAM EARPHONE ...

Page 14: ...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 15: ...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 16: ...al inner clock problem Put more lead solder each terminal 1 Charge the Battery 2 If 0V put more lead C606 C608 NO NO YES Check the VBAT Voltage C606 or C608 3 3V YES NO Download binary again NO Current consumption 100mA NO YES END Is the soldered status of KEY701 ON KEY O K YES 1 Put more lead each terminal 2 Replace KEY701 NO YES YES Is It power turned on YES NO Back to previous step If you 1 try...

Page 17: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 5 This Document can not be used without Samsung s authorization ...

Page 18: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 6 This Document can not be used without Samsung s authorization C153 ...

Page 19: ...eck the connection of HDC401 to SIM card insert SIM card again after check connection HDC401 Check the connection C450 C451 C453 Put more lead each terminal 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 C452 3 0V NO Insert SIM card is displayed on the LCD ...

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

Page 21: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 9 This Document can not be used without Samsung s authorization ...

Page 22: ...CHECK CN100 65dBm Put more lead solder CN100 L120 L101 L102 L131 NO YES NO NO YES YES Check the voltage PAM100 C103 3 0V YES NO Put more lead solder each terminal 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 C165 C167 L119 Put more lead solder each terminal CONTINUOUS RX ...

Page 23: ...dBm Put more lead solder C104 L105 C170 L120 L101 L102 R100 R101 R102 R103 PAM100 CHECK CN100 65dBm Put more lead solder CN100 L120 L101 L102 L131 Put more lead solder each terminal NO YES NO NO YES YES Check the voltage PAM100 C103 3 0V YES NO Put more lead solder each terminal NORMAL CONDITION catch the channel Phone can t catch GSM900 network END Does Phone catch the GSM900 network YES Back to ...

Page 24: ...NUOUS RX ON RF INPUT 698CH Amplitude 50dBm PAM100 CHECK CN100 65dBm Put more lead solder CN100 L120 L101 L102 Put more lead solder each terminal NO YES NO NO YES YES Check the voltage PAM100 C103 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 C104 L105 C170 L120 L1...

Page 25: ...e 50dBm PAM100 CHECK CN100 65dBm Put more lead solder CN100 L120 L101 L102 Put more lead solder each terminal NO YES NO NO YES YES Check the voltage PAM100 C103 3 0V YES NO Put more lead solder each terminal Phone can t catch PCS network NORMAL CONDITION catch the channel Put more lead solder C104 L105 C170 L120 L101 L102 R100 R101 R102 R103 END Does Phone catch the PCS network YES Back to previou...

Page 26: ...00 CHECK CN100 65dBm Put more lead solder CN100 L120 L101 L102 Put more lead solder each terminal NO YES NO NO YES YES Check the voltage PAM100 C103 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 C104 L105 C170 L120 L101 L102 R100 R101 R102 R103 CONTINUOUS RX...

Page 27: ...AM100 CHECK CN100 65dBm Put more lead CN100 L120 L101 L102 Put more lead solder each terminal NO YES NO NO YES YES Check the voltage PAM100 C103 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 C104 L105 C170 L120 L101 L102 R100 R101 R102 R103 CONTINUOUS RX O...

Page 28: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 16 This Document can not be used without Samsung s authorization PAM100 U100 ...

Page 29: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 17 This Document can not be used without Samsung s authorization U100 ...

Page 30: ... lead solder each terminal Check the connection C166 Put more lead solder each terminal Put more lead solder each terminal NO YES NO NO YES YES Check TCXO CLOCK C153 26MHz 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 C104 L105 C170 C168 L101 L102 R100 R101 R102 R1...

Page 31: ...er each terminal Check the connection C162 C164 L118 Put more lead solder each terminal Put more lead solder each terminal NO YES NO NO YES YES Check TCXO CLOCK C153 26MHz 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 C104 L105 C170 C168 L101 L102 R100 R101...

Page 32: ...r each terminal Check the connection C146 L101 C108 Put more lead solder each terminal Put more lead solder each terminal NO YES NO NO YES YES Check TCXO CLOCK C153 26MHz 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 C104 L105 C170 C168 L101 L102 R100 R10...

Page 33: ...older each terminal Check the connection C151 C182 Put more lead solder each terminal Put more lead solder each terminal NO YES NO NO YES YES Check TCXO CLOCK C153 26MHz 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 C104 L105 C170 C168 L101 L102 R100 R1...

Page 34: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 22 This Document can not be used without Samsung s authorization U100 PAM100 ...

Page 35: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 23 This Document can not be used without Samsung s authorization ...

Page 36: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 24 This Document can not be used without Samsung s authorization ...

Page 37: ...Check the connection C534 C533 L513 8 3 13 Microphone Put more lead solder each terminal Check voltage C535 2 1V Put more lead solder C535 L511 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 38: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 26 This Document can not be used without Samsung s authorization UCP300 ...

Page 39: ...00 L510 C522 C523 8 3 14 Earphone MIC Put more lead solder each terminal Check voltage C519 2 1V Put more lead solder C519 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 40: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 28 This Document can not be used without Samsung s authorization UCP300 ...

Page 41: ...g s authorization 8 3 15 Receiver Check the connection R526 R525 C500 Put more lead solder R526 R525 C500 NO YES NO YES There is no sound from Receiver call Is the connection of Receiver HDC500 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 42: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 30 This Document can not be used without Samsung s authorization ...

Page 43: ... 16 Speaker Motor Check the connection SPK R401 R402 MOT C475 3 3V Put more lead solder each terminal NO YES NO YES There is no sound from Speaker play songs Is the connection of Speaker or Motor O K END Is there problems at speaker or motor YES Back to previous step Replace Board PBA NO 1 contact Speaker Motor again 2 Replace Speaker Motor ...

Page 44: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 32 This Document can not be used without Samsung s authorization ...

Page 45: ...S NO 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 F603 604 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 Came...

Page 46: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 34 This Document can not be used without Samsung s authorization ...

Page 47: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 35 This Document can not be used without Samsung s authorization ...

Page 48: ...n L504 8 3 18 FM radio Put more lead solder each terminal Check the connection from TP_FM_IN to L207 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 49: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 37 This Document can not be used without Samsung s authorization ...

Page 50: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 38 This Document can not be used without Samsung s authorization ...

Page 51: ...9 Bluetooth Put more lead solder each terminal Check the connection C202 C204 Put more lead solder each terminal NO YES NO NO YES YES Can t activate or search any Bluetooth devices Check the connection C205 L211 END Can it Bluetooth activating searching YES Back to previous step Replace Board PBA NO 1 Put more lead solder C250 L211 each terminal 2 Replace BT_ANT ...

Page 52: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 40 This Document can not be used without Samsung s authorization ...

Page 53: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 41 This Document can not be used without Samsung s authorization ...

Page 54: ...e voltage C208 2 9V 8 3 20 GPS Put more lead solder each terminal Check the voltage C240 C241 1 8V Put more lead solder each terminal NO YES NO NO YES YES GPS does not work Is the soldered status of ANT200 ANT201 O K END Does GPS work well YES Back to previous step Replace Board PBA NO 1 Put more lead solder ANT200 ANT201 2 Replace ANT200 ANT201 ...

Page 55: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 43 This Document can not be used without Samsung s authorization ...

Page 56: ... lead solder each terminal Check the connection L211 C205 C204 Rx C234 Tx C235 Put more lead solder each terminal Put more lead solder each terminal NO YES NO NO YES YES Check TCXO CLOCK C249 C246 26MHz YES NO Can t make a call in WCDMA2100 network Is the status of BT_ANT O K END Can it wifi activation searching YES Back to previous step Replace Board PBA NO Put more lead solder BT_ANT sharing Wi ...

Page 57: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 45 This Document can not be used without Samsung s authorization ...

Page 58: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 46 This Document can not be used without Samsung s authorization ...

Page 59: ...nt can not be used without Samsung s authorization 8 3 22 LCD Check the connection C633 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 60: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 48 This Document can not be used without Samsung s authorization ...

Page 61: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 49 This Document can not be used without Samsung s authorization 8 4 Schematic Diagram NC Point Top View U400 ...

Page 62: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 50 This Document can not be used without Samsung s authorization UME300 ...

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