Samsung SGH-X461 Service Manual
  1. Manuals
  2. Brands
  3. Samsung Manuals
  4. Cell Phone
  5. SGH-X461
  6. Service manual
Samsung SGH-X461 Service Manual

Samsung SGH-X461 Service Manual

Gsm telephone
Hide thumbs Also See for SGH-X461:
Table of Contents

Advertisement

Quick Links

Download this manual See also: User Manual
GSM TELEPHONE
GSM TELEPHONE
SGH-X461
CONTENTS
1.
Specification
2.
Flow Chart of Troubleshooting
3.
Exploded View and Parts List
4.
Electrical Parts List
5.
PCB Diagrams
6.
Block Diagrams
7.
Exploded and assembling View

Advertisement

Table of Contents
loading

Related Manuals for Samsung SGH-X461

Summary of Contents for Samsung SGH-X461

  • Page 1 GSM TELEPHONE SGH-X461 GSM TELEPHONE CONTENTS Specification Flow Chart of Troubleshooting Exploded View and Parts List Electrical Parts List PCB Diagrams Block Diagrams Exploded and assembling View...

  • Page 2: Gsm General Specification

    1. SGH-X461 Specification 1-1. GSM General Specification GSM900 E G S M 9 00 DCS1800 PC S1 90 0 Ph ase 1 Ph ase 2 Ph ase 1 Freq. Ban d [M Hz ] 89 0~ 91 5 88 0~ 91 5...

  • Page 3: Gsm Tx Power Class

    SGH-X461 Specification 1-2. GSM Tx Power Class TX Power TX Power TX Power GSM900 DCS1800 PCS1900 control level control level control level 33±2 dBm 30±3 dBm 30±3 dBm 31±2 dBm 28±3 dBm 28±3 dBm 29±2 dBm 26±3 dBm 26±3 dBm 27±2 dBm...

  • Page 4: Flow Chart Of Troubleshooting

    Flow Chart of Troubleshooting 2. SGH-X461 1. Baseband 2-1-1. Power ON 'Power ON' does not work check the current consumption Download again >= 100mA Check the Voltage of the Battery Charge the battery >= 3.3V Check the pin C212, Check C213,C214, C215 "Power On"...
  • Page 5 SGH-X461 Flow Chart of Troubleshooting...
  • Page 6 SGH-X461 Flow Chart of Troubleshooting 2-1-2. Initial Initial Failure check the pin RSTB of U600 is Check U600 LOW? Check check the pin CKI of U600 is 13Mhz? R801,R802,C813,C815 Check the clock signal check at pin #3 of U802 U802...
  • Page 7 SGH-X461 Flow Chart of Troubleshooting...

  • Page 8: Sim Part

    SGH-X461 Flow Chart of Troubleshooting 2-1-3. Sim Part "Insert SIM" is displayed on the LCD The voltage is 2.8V Check the U100 at the pin#1 of CN100 Is there any signal Check the U100 & U600 pin #2,3,4 of CN100?
  • Page 9 SGH-X461 Flow Chart of Troubleshooting...

  • Page 10: Microphone Part

    SGH-X461 Flow Chart of Troubleshooting 2-1-4.Microphone Part * Call with Sim before testing. MicroPhone does not work Check the soldered Resolder microphone status of microphone Check the reference voltage on mic path Resolder or change C423 R420 ≒ 2.0V Is microphone OK?
  • Page 11 SGH-X461 Flow Chart of Troubleshooting...

  • Page 12: Speaker Part

    SGH-X461 Flow Chart of Troubleshooting 2-1-5. Speaker Part There is no sound from speaker Check the connection status of LCD connector reconnect HDC800 HDC800 Are there any signal at the speaker pad on LCD Replace the speaker module PCB? Check R401, R402 of Check U500 U402.
  • Page 13 SGH-X461 Flow Chart of Troubleshooting 2-10...

  • Page 14: Lcd Backlight

    SGH-X461 Flow Chart of Troubleshooting 2-1-6. LCD backlight Backlight does not work Backlight ON "TIME" Select backlight "15 sec" mode mode in the menu? Check conecting between PBA and LCD Check FPCB conector Check U300 pin #8 = Check the LCD...
  • Page 15 SGH-X461 Flow Chart of Troubleshooting 2-2. RF 2-2-1. GSM Rx CONTINOUS RX ON RF INPUT : 62CH AMP : -50dbm Normal condition Check ANT, R101,R102,U909,L103 catch the channel ? Check U102 Resolder or change pin 12 ≥ -65 CON900, L903, C902, C901, C903, L904...
  • Page 16 SGH-X461 Flow Chart of Troubleshooting 2-13...
  • Page 17 SGH-X461 Flow Chart of Troubleshooting 2-2-2. DCS Rx CONTINOUS RX ON RF INPUT : 698CH AMP : -50dbm Normal condition catch the Check ANT,R101,R102,U909,L103 channel ? Check U102 Resolder or change pin 12 ≥ -65 CON900, L903, C902, C901, C903, L904...
  • Page 18 SGH-X461 Flow Chart of Troubleshooting 2-15...
  • Page 19 SGH-X461 Flow Chart of Troubleshooting 2-2-3. PCS Rx CONTINOUS RX ON RF INPUT : 660CH AMP : -50dbm Normal condition catch the Check ANT,R101,R102,U909,L103 channel ? Check U102 Resolder or change pin 12 ≥ -65 CON900, L903, C902, C901, C903, L904...
  • Page 20 SGH-X461 Flow Chart of Troubleshooting 2-17...
  • Page 21 SGH-X461 Flow Chart of Troubleshooting 2-18...
  • Page 22 SGH-X461 Flow Chart of Troubleshooting 2-2-4. GSM Tx CONTINUS TX ON CONDITION TX POWER DAC : 554 CODE Check U801 Check and Check U801 APPLIED pin 15 : about change pin 6 : 2.8V ? CH : 62ch 2~3 dbm?
  • Page 23 SGH-X461 Flow Chart of Troubleshooting 2-20...
  • Page 24 SGH-X461 Flow Chart of Troubleshooting 2-2-5. DCS/PCS Tx CONTINUS TX ON CONDITION TX POWER DAC : 560 CODE Check U801 Check and APPLIED Check U801 pin 16 : about change CH : 698CH(DCS), pin 6 : 2.8V ? 2~3 dbm?
  • Page 25 SGH-X461 Flow Chart of Troubleshooting 2-22...

  • Page 26: Cellular Phone Exploded View

    3. SGH-X461 Exploded View and its Parts list 3-1. Cellular phone Exploded View QWD01 QFR01 QRF03 QMI03 QVO01 QSC14 QFU01 QKP01 QPC01 QME01 QLC01 QSP01 QMI01 QMO01 QMP01 QHI01 QAN10 QVK01 QFL01 QAN02 QSC05 QCR04 QSC08 QRE01 QSC07 QIF01 QMW02...

  • Page 27: Cellular Phone Parts List

    　 MEC-CASE FRONT GH75-09263A 　 QRF03 PMO-COVER EAR JACK GH72-29253A QMI03 RMO-MIC RUBBER GH73-03058A 　 QFL01 　 MEC-CASE LOWER FOLDER GH75-09278A 　 QHI01 MEC-HINGE GH75-04948A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 28 MPR-TAPE GASKET PCB A GH74-22725A MPR-TAPE GASKET PCB B GH74-22726A MPR-TAPE CON LCD GH74-23098A MPR-VINYL BOHO MAIN INNER GH74-23099A MPR-VINYL BOHO MAIN OUTER GH74-23100A MPR-CUSHION PCB U GH74-23102A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 29 3-3. Test Jig (GH80-03304A) 3-3-1. RF Test Cable 3-3-5. DATA CABLE 3-3-3. Serial Cable (GH39-00283A) (GH39-00127A) 3-3-4. Power Supply Cable 3-3-2. Test Cable 3-3-6. TA (GH39-00304A) (GH44-00954A) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 30: Electrical Parts List

    2404-001415 C402 C-CER,CHIP 2203-002709 C403 C-CER,CHIP 2203-002709 C404 C-CER,CHIP 2203-006091 C406 C-CER,CHIP 2203-000585 C407 C-CER,CHIP 2203-006260 C408 C-CER,CHIP 2203-002709 C410 C-CER,CHIP 2203-000812 C411 C-CER,CHIP 2203-006260 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 31 2203-000330 C616 C-CER,CHIP 2203-000330 C617 C-CER,CHIP 2203-006626 C702 C-CER,CHIP 2203-006324 C703 C-CER,CHIP 2203-005482 C704 C-CER,CHIP 2203-006048 C800 C-CER,CHIP 2203-000278 C801 C-CER,CHIP 2203-000854 C802 C-CER,CHIP 2203-000254 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 32 DUPLEXER-FEM 2911-000030 HDC200 HEADER-BOARD TO BOARD 3711-006118 L200 INDUCTOR-SMD 2703-002339 L301 BEAD-SMD 3301-001659 L401 INDUCTOR-SMD 2703-002202 L402 INDUCTOR-SMD 2703-002202 L701 BEAD-SMD 3301-001729 L801 INDUCTOR-SMD 2703-001180 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 33 2007-001294 R203 R-CHIP 2007-003030 R204 R-CHIP 2007-000162 R205 R-CHIP 2007-000162 R300 R-CHIP 2007-000566 R301 R-CHIP 2007-000566 R302 R-CHIP 2007-000566 R303 R-CHIP 2007-000566 R304 R-CHIP 2007-000566 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 34 2007-000140 R430 R-CHIP 2007-001333 R431 R-CHIP 2007-000145 R501 R-CHIP 2007-000172 R502 R-CHIP 2007-000171 R600 R-CHIP 2007-000157 R601 R-CHIP 2007-000157 R602 R-CHIP 2007-000162 R603 R-CHIP 2007-007480 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 35 IC-ANALOG SWITCH 1001-001231 U500 IC-MCP 1108-000010 U507 C-CER,CHIP 2203-000254 U600 IC MICOM-SGHX480 GH09-00036A U702 IC-HALL EFFECT S/W 1009-001010 U800 IC-POWER AMP 1201-002218 U801 IC-TRANSCEIVER 1205-002683 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 36 1405-001082 VR709 VARISTOR 1405-001082 VR710 VARISTOR 1405-001082 VR711 VARISTOR 1405-001082 ZD300 DIODE-TVS 0406-001190 ZD301 DIODE-ZENER 0403-001547 ZD305 DIODE-TVS 0406-001190 ZD306 DIODE-TVS 0406-001190 ZD400 DIODE-TVS 0406-001190 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 37 SGH-X461 Main Electrical Parts List SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 38: Pcb Diagrams

    5. SGH-X461 PCB Diagrams SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 39 SGH-X461 PCB Diagrams SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 40: Block Diagrams

    6. SGH-X461 Block Diagrams SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 41 SGH-X461 Block Diagrams SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 42: Exploded And Assembling View

    1) When we disjoint the Front, be care of body transformation. 1) Be care of scratch. 1) Be care of scratch and molding damage. SAMSUNG Proprietary-Contents may change Without notice This Document can not be used without Samsung's authorization...
  • Page 43 1) Remove the insulated tape. 1) Remove the CON TO CON. 1) Be care of scratch and molding damage. 1) Be care of scratch and molding damage. SAMSUNG Proprietary-Contents may change Without notice This Document can not be used without Samsung's authorization...
  • Page 44 The wire arrangement must be like this picture. 1) Be care of wire arrangement and damage. 1) Be care of wire arrangement and damage. 1) Be care of wire arrangement and damage. SAMSUNG Proprietary-Contents may change Without notice This Document can not be used without Samsung's authorization...
  • Page 45 FRONT HOOK with a REAR. 1) Be care of wire arrangement and damage. 1) Be care of wire arrangement and damage. 1) Be care of wire arrangement and damage. SAMSUNG Proprietary-Contents may change Without notice This Document can not be used without Samsung's authorization...
  • Page 46 1) Insert the the FRONT HOOK to the REAR HOOK.(it's same process right and left) 1) Be care of wire arrangement and damage. 1) Be care of wire arrangement and damage. SAMSUNG Proprietary-Contents may change Without notice This Document can not be used without Samsung's authorization...
  • Page 47 SGH-X461 Exploded and assembling View SAMSUNG Proprietary-Contents may change Without notice This Document can not be used without Samsung's authorization...
  • Page 48 ⓒ 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. Code No.:GH68-11295A 2006. 05. Rev.1.0...

Table of Contents