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Samsung GT-S7230E Service Manual
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Samsung GT-S7230E Service Manual

Samsung GT-S7230E Service Manual

Gsm telephone
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Download this manual See also: User Manual
GSM TELEPHONE
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.
CONTENTS
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Summary of Contents for Samsung GT-S7230E

  • Page 1 - 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...
  • Page 2 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. 09. Rev.1.0...

  • Page 3: Main Electrical Parts List

    1203-006025 U400 1203-006158 U101 1203-006159 U601 1203-006331 U704 1203-006456 U202 1205-003868 U201 1205-004099 U100 1205-004101 UCP300 1205-004105 U604 1209-001922 V100 1404-001221 THERMISTOR R100,R101,R102,R103 2007-000140 R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 4 R-CHIP R512,R513 2007-008588 R-CHIP R401,R402 2007-008780 R-CHIP R105,R106,R107,R108 2007-008806 R-CHIP R113 2007-009257 R-CHIP R525,R526 2007-009315 R-CHIP C168,C170,C233,C236 2203-000233 C-CERAMIC,CHIP C336 2203-000233 C-CERAMIC,CHIP C135,C139,C149,C153 2203-000254 C-CERAMIC,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 5 C-CERAMIC,CHIP C123,C124 2203-005682 C-CERAMIC,CHIP C146 2203-005729 C-CERAMIC,CHIP C110,C111,C112,C122 2203-005734 C-CERAMIC,CHIP C165,C167 2203-005792 C-CERAMIC,CHIP C510 2203-005968 C-CERAMIC,CHIP C126,C128,C129,C133 2203-006048 C-CERAMIC,CHIP C136,C137,C138,C181 2203-006048 C-CERAMIC,CHIP C216,C221,C247,C302 2203-006048 C-CERAMIC,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 6 C-CERAMIC,CHIP C610 2203-006824 C-CERAMIC,CHIP C411,C412 2203-006844 C-CERAMIC,CHIP C158,C159,C160,C163 2203-006846 C-CERAMIC,CHIP C208,C210,C214,C217 2203-006872 C-CERAMIC,CHIP C218,C219,C220,C227 2203-006872 C-CERAMIC,CHIP C228,C238,C241,C425 2203-006872 C-CERAMIC,CHIP C426,C432,C433,C436 2203-006872 C-CERAMIC,CHIP C147,C415,C416,C519 2203-006890 C-CERAMIC,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 7 2801-004589 TCX200 OSCILLATOR-VCTCXO 2809-001348 TCX100 OSCILLATOR-VCTCXO 2809-001351 F600,F601 FILTER-EMI 2901-001462 F605 FILTER-EMI 2901-001463 F603,F604 FILTER-EMI 2901-001470 F201 FILTER-SAW 2904-001759 F104 2904-001789 FILTER-SAW F100 FILTER-SAW 2904-001868 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 8 GH70-04443A ONBOARD-CLIP SC104,SC105,SC106 GH70-04443A ONBOARD-CLIP SC107,SC108 GH70-04443A ONBOARD-CLIP Please consult the GSPN website (Samsung Portal) for the most recent version of the product's part list. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 9: Level 2 Repair

    Detach Side key FPCB. 1) Detach Power Key FPCB and Cammera Key FPCB. 1) Lift FRONT upward. 2) Be careful not to damage to FPCB (Use tweezer!) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 10 2) Detach Earjack FPCB. 2) Detach T-flash FPCB. Disassemble Module from PBA. Complete disassembly. 1) Disassemble SPK Module from PBA. 2) Disassemble Cammera Module from PBA SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 11 2) Assemble SPK module and FPCB on PBA Assemble T-Flash FPCB. Assemble PBA on FRONT Ass'y. 1) Be careful not to make damage to FPCB SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 12 1) Be careful not to make scratch and molding damage! 1) Be careful not to make scratch and molding damage! 2) Drive Screws at 6 points with torque 1.1 +/- 0.1 Kgf/ . SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 13: Level 3 Repair

    8. Level 3 Repair 8-1. Block Diagram oneNAND 2Gb SDR Flash SDRAM Flash LED Driver SD CARD EARPHONE u-USB Switch SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 14: Pcb Diagrams

    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 15 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 16 Put more lead solder (C406,410)=32.768KHz? each terminal Check the TCX100 Put more lead soler @C153=26MHz? each terminal Back to Is It power turned on? Replace Board(PBA) previous step SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 17 Level 3 Repair SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 18 Level 3 Repair C153 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 19 Check the voltage Put more lead each terminal @ C452 = 3.0V ? Does Phone accept Back to Replace Board(PBA) the SIM card? previous step SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 20 Level 3 Repair SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 21 Level 3 Repair SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 22 Check the voltage Put more lead solder each terminal PAM100 @ C103 3.0V ? Back to Does Phone catch Replace Board(PBA) previous step the GSM850 network? 8-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 23 Check the voltage Put more lead solder PAM100 @C103 3.0V ? each terminal Does Phone catch Back to Replace Board(PBA) the GSM900 network? previous step 8-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 24 Check the voltage Put more lead solder PAM100 @C103 3.0V ? each terminal Does Phone catch Back to Replace Board(PBA) the DCS network? previous step 8-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 25 Check the voltage Put more lead solder PAM100 @C103 3.0V ? each terminal Does Phone catch Back to Replace Board(PBA) the PCS network? previous step 8-13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 26 Check the voltage Put more lead solder PAM100 @C103 3.0V ? each terminal Back to Does Phone catch Replace Board(PBA) previous step WCDMA900 network? 8-14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 27 Check the voltage Put more lead solder PAM100 @C103 3.0V ? each terminal Back to Does Phone catch Replace Board(PBA) WCDMA2100 network? previous step 8-15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 28 Level 3 Repair PAM100 U100 8-16 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 29 Level 3 Repair U100 8-17 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 30 Check TCXO CLOCK Put more lead solder @C153=26MHz? each terminal Back to Can Phone make a call Replace Board(PBA) GSM network? previous step 8-18 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 31 Check TCXO CLOCK Put more lead solder @C153=26MHz? each terminal Back to Can Phone make a call Replace Board(PBA) DCS/PCS network? previous step 8-19 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 32 Check TCXO CLOCK Put more lead solder @C153=26MHz? each terminal Back to Can Phone make a call Replace Board(PBA) WCDMA900 network? previous step 8-20 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 33 Check TCXO CLOCK Put more lead solder @C153=26MHz? each terminal Back to Can Phone make a call Replace Board(PBA) WCDMA2100 network? previous step 8-21 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 34 Level 3 Repair PAM100 U100 8-22 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 35 Level 3 Repair 8-23 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 36 Level 3 Repair 8-24 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 37 @C535 】 2.1V ? @C535,L511 Check the connection Put more lead solder C534,C533,L513 each terminal Back to Does MIC work well? Replace Board(PBA) (ex.voice recording) previous step 8-25 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 38 Level 3 Repair UCP300 8-26 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 39 @C519 Check the connection Put more lead solder C503,C504,L500,L510, each terminal C522,C523 Does MIC work well? Back to Replace Board(PBA) (ex.voice recording) previous step 8-27 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 40 Level 3 Repair UCP300 8-28 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 41 Receiver(HDC500) O.K ? 2. Replace receiver Check the connection Put more lead solder R526,R525,C500 @R526,R525,C500 Can hear sound Back to Replace Board(PBA) from Receiver? previous step 8-29 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 42 Level 3 Repair 8-30 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 43 Check the connection Put more lead solder (SPK)@R401,R402 // each terminal (MOT)@C475=3.3V? Is there problems Back to Replace Board(PBA) at speaker or motor? previous step 8-31 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 44 Level 3 Repair 8-32 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 45 2. Replace Camera Check the connection Put more lead solder F603, 604 each terminal Back to when camera mode, Replace Board(PBA) previous step normal color? 8-33 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 46 Level 3 Repair 8-34 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 47 Level 3 Repair 8-35 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 48 Check the connection Put more lead solder L504 each terminal Can you turn on Back to Replace Board(PBA) and search channel? previous step 8-36 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 49 Level 3 Repair 8-37 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 50 Level 3 Repair 8-38 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 51 @ C217=1.8V? Put more lead solder @ C208=2.9V? each terminal Can it Bluetooth Back to Replace Board(PBA) activating & searching? previous step 8-39 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 52 Level 3 Repair 8-40 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 53 Level 3 Repair 8-41 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 54 Put more lead solder @C240,C241=1.8V? each terminal Check the voltage Put more lead solder @C208=2.9V? each terminal Back to Does GPS work well? Replace Board(PBA) previous step 8-42 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 55 Level 3 Repair 8-43 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 56 Check TCXO CLOCK Put more lead solder @C249,C246=26MHz? each terminal Can it wifi Back to Replace Board(PBA) activation & searching? previous step 8-44 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 57 Level 3 Repair 8-45 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 58 Level 3 Repair 8-46 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 59 O.K ? 2. Replace LCD Check the connection Put more lead solder C633 each terminal Back to Does LCD work well? Replace Board(PBA) previous step 8-47 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 60 Level 3 Repair 8-48 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 61: Schematic Diagram

    Level 3 Repair 8-4. Schematic Diagram - NC Point(Top View) U400 8-49 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 62 Level 3 Repair UME300 8-50 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...