Samsung SGH-S342i Service Manual
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Samsung SGH-S342i Service Manual

Samsung SGH-S342i Service Manual

Gsm telephone
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GSM TELEPHONE
GSM TELEPHONE
SGH-S342i
CONTENTS
1.
Specification
2.
Flow Chart of Troubleshooting
3.
Exploded Views and Parts List
4.
Electrical Parts List
5.
PCB Diagrams
6.
Block Diagrams

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Summary of Contents for Samsung SGH-S342i

  • Page 1 GSM TELEPHONE SGH-S342i GSM TELEPHONE CONTENTS Specification Flow Chart of Troubleshooting Exploded Views and Parts List Electrical Parts List PCB Diagrams Block Diagrams...

  • Page 2: Gsm General Specification

    S e nsi ti vit y -102dBm - 10 2d B m -100dBm -100dBm TDM A Mu x Cell Radiu s 35 Km 35 Km SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 3: Gsm Tx Power Class

    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 4 Check the clock signal at pin#27 of U700 Freq = 13MHz Check the clock generation circuit Vrms >=300mV (related to OSC700) Vpp ≒ 900mV Check the initial operation SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 5 The voltage is "High" at Check the U100 the C113,C110,C119 LCD display is O.K Check the LCD part Sound is O.K Check the Audio part SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 6: Sim Part

    Check the voltage at pin#1 of CN100 >= Check the U100 2.8V ? Is there any signals Check the U200 pin#2,#3,#4 of CN100 ? Check the SIM Card SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 7: Microphone Part

    Reassembled the microphone of microphone O.K? Check the reference voltage on mic path Resolder or change C406 ≒ 2.0V ? R406,C416,R407,C405,R410,C413, R421,C421,R420,R425,C427,C422 Is microphone ok? Check U700 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 8: Speaker Part

    U400 ? Check the The pin#4 of The pin#4 of Check the U401 U400 is "High" U400 is "Low" U401 Check the U200 Check the U400 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 9: Camera Part

    "Camera" function dose not work Check the connect Connect the camera module CN500 U302 PIN 5 = 2.8V? Check U202 and C210 R402 < 25MHz C308, U301 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 10 U700 CHECK OSC700 pin 8 : 13MHz ? change or resolder Vp-p : 950mV? U700 U700 pin1,2,3,28 Vp-p resolder or change : 120mV ? U100 CHECK!! SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 11 U700 CHECK OSC700 pin 8 : 13MHz ? change or resolder Vp-p : 950mV? U700 U700 pin1,2,3,28 Vp-p resolder or change U100 CHECK!! SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 12 U700 CHECK OSC700 pin 8 : 13MHz ? change or resolder Vp-p : 950mV? U700 U700 pin1,2,3,28 Vp-p resolder or change : 120mV ? U100 CHECK!! SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 13 OSC700 pin8 : 13MHz ? change or resolder change or resolder Vp-p : 950mV? U700 pin4,5,6,7:100m U100 change or resolder U700 change or resolder 2-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 14 : 13MHz ? U100 pinA13,C119 change or resolder Vp-p : 950mV? change or resolder U700 pin4,5,6,7:100m U100 change or resolder U700 change or resolder 2-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 15 U100 pinA13,C119 pin8 : 13MHz ? change or resolder change or resolder Vp-p : 950mV? U700 pin4,5,6,7:100m U700 U100 change or resolder change or resolder 2-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 16 SERDAT R104 SERCK RTC_ALMN H10 SERCLK RTCALARM C115 C116 100NF TXPOWER INTRQ C117 100NF PWR_KEEP VBAT R100 100K RTX_IP RTX_IN C118 RTX_QP RTX_QN CSP2600 2-13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 17 100NF SDS_RXD KEY_COL(0:4) KEY_COL(0) KEY_COL(1) KEY_COL(2) KEY_COL(3) KEY_COL(4) R217 PSW1_BUF TR_RST KEY_ROW(0:4) C217 KEY_ROW(0) KEY_ROW(1) KEY_ROW(2) KEY_ROW(3) KEY_ROW(4) R220 FLASH_RESET FLASH_RST TRIDENT BOARD_HOLE C218 2-14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 18 SCANEN 1 VCC1 C315 DRDY 100NF PLLVSS CAM_RST PLLVDD CAM_RESET CAMPWR_EN CIOVDD C301 10UF 6.3V C310 C312 C302 100NF 100NF 100NF R305 CAM ASIC 2-15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 19 EAR_SWITCH AUXINN 11 12 13 14 R427 39K,1% C428 C429 AUXOUTN 180PF 22NF C434 C433 C430 C431 C423 470PF ZD401 VC040205X150R ZD400 ESDA6V1-5P6 AUDIO 2-16 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 20 R529 KEY_ROW(3 ) SHARP RIGHT KEY-XBS KEY-XBS KEY-XBS KEY-XBS KEY-XBS KEY_ROW(4 ) KEY_BACKLIGHT ZD506 ZD507 ZD508 ZD509 ZD510 C515 C516 C517 150PF 150PF 150PF 2-17 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 21 I/F CONNECTOR CP_TDO TP601 TR_RST TP602 CP_TDI TP603 CP_TMS TP604 CP_TCK TP605 DSP_TDO TP606 DSP_TDI TP607 DSP_TMS TP608 DSP_TCK TP609 CP_WEN TP610 TP611 JTAG CON 2-18 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 22 GSM1800/1900TX GSM1800RX2 DCS_LNA_IN_P GSM900TX GSM1900RX1 R704 GSM1900RX2 C728 C726 GSM_PAM_IN 47PF C722 U701 0.5PF SKY77325-12 PCS_LNA_IN_N R706 R705 C727 L704 5.6nH PCS_LNA_IN_P RF PART 2-19 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 23 3. SGH-S342i Exploded View and Parts List 1. Cellular phone Exploded View SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 24: Cellular Phone Parts List

    ANTENNA GH42-00481A QCK01 MEC-KEY CAMERA GH75-05709A QRE01 MEC-REAR COVER GH75-05601A QRF03 PMO-EAR COVER GH72-16841A QVO01 MEC-KEY VOLUME GH75-05708A QIF01 PMO-IF COVER GH72-17092A QBA21 BATTERY-820MAH GH43-01549A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 25 3. Test Jig (GH80-03307A) 3-1. RF Test Cable 3-2. Test Cable 3-3. Serial Cable (GH39-00283A) (GH39-00304A) 3-4. Power Supply Cable 3-5. DATA CABLE 3-6. TC (GH39-00305A) (GH44-00701A) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 26 2203-000585 C401 1006-001313 U203 2203-000585 C409 1009-001010 U201 2203-000654 C716 1109-001310 U300 2203-000696 C726 1201-002171 U701 2203-000696 C727 1203-001256 U202 2203-000812 C104 - 1 - SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 27 2203-005061 C102 2007-000139 R419 2203-005061 C105 2007-000140 R216 2203-005061 C115 2007-000140 R602 2203-005061 C117 2007-000140 R603 2203-005061 C300 2007-000140 R604 2203-005061 C302 - 2 - SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 28 2203-005682 C509 2007-000162 R422 2203-005682 C510 2007-000162 R713 2203-005682 C511 2007-000164 R402 2203-005682 C512 2007-000170 R104 2203-005682 C513 2007-000171 R217 2203-005682 C514 - 3 - SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 29 2703-002547 L707 2007-001308 R512 2703-002586 L700 2007-001308 R516 2703-002665 L704 2007-001313 R526 2801-003747 OSC200 2007-001319 R101 2809-001284 OSC700 2007-001325 R413 2901-001286 F500 - 4 - SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 30 2007-007317 R418 GH30-00154A MICROPHONE ASSY 2007-007317 R424 GH59-01728A METAL DOME 2007-007491 R102 GH59-01729A VOLUME KEY 2203-000233 C109 GH59-01730A CAMERA KEY 2203-000233 C308 - 5 - SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 31 5. SGH-S342i PCB Diagrams SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 32 SGH-S342i PCB Diagrams SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 33: Rf Solution Block Diagram

    Si 4205 DSP16000 SERIAL DATA, CLK, SERIAL DATA INTERFACE ARM946ES GSM:890MHz~915MHz D E T DCS:1710MHz~1785MHz TCVCXO PCS:1850MHz~1910MHz 13 MHz A F C C L K SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 34: Base Band Solution Block Diagram

    ICP/IDP JTAG 32.768KHz DAIRN DAIDO DAIDI KEYBOARD Audio Part Audio FLASH PSRA FLASH PSRA (128M) (32M) (128M) B'D B'D conn. (32M) Keypad CAMERA Memory part SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 35 ⓒ Samsung Electronics Co.,Ltd. Nov. 2004 Printed in Korea. This Service Manual is a property of Samsung Electronics Co.,Ltd. Any unauthorized use of Manual can be punished under applicable Code No.: GH68-06291A International and/or domestic law. BASIC.

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