Samsung SGH-X105 Service Manual
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Samsung SGH-X105 Service Manual

Samsung SGH-X105 Service Manual

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SERVICE
GSM TELEPHONE
GSM TELEPHONE
SGH-X105
Manual
1.
Specification
2.
Exploded Views and Parts List
3.
Electrical Parts List
4.
Flow Chart of Troubleshooting
5.
Block Diagrams
6.
PCB Diagrams
CONTENTS

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Summary of Contents for Samsung SGH-X105

  • Page 1 GSM TELEPHONE SGH-X105 Manual SERVICE GSM TELEPHONE CONTENTS Specification Exploded Views and Parts List Electrical Parts List Flow Chart of Troubleshooting Block Diagrams PCB Diagrams...
  • Page 2 ELECTRONICS ⓒ Samsung Electronics Co.,Ltd. AUG. 2003 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.: GH68-04199A International and/or domestic law. BASIC.

  • Page 3: Gsm General Specification

    -10 2d Bm -10 0d Bm -1 00 dBm TD MA Mu x Ce l l Rad i us 35 Km 3 5Km 2 Km SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 4: Gsm Tx Power Class

    13± 2 dBm 8± 4dBm 11± 3 dBm 6± 4 dBm 9± 3dBm 4± 4 dBm 7±3 dBm 2± 5 dBm 5±3 dBm 0± 5 dBm SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 5 2. SGH-X105 Exploded View and its 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 6 DOME SHEET GH59-00942A SCREW 6001-001479 INTENNA GH42-00314A GH07-00385A SPEAKER 3001-001442 CONNECTOR COVER GH73-02097A VOLUME KEY GH75-03143A MOTOR GH31-00062A REAR COVER GH75-03141A SCREW 6001-001479 BATTERY GH43-00980A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 7 3. Test Jig (GH80-00865A) 3-1. RF Test Cable 3-2. Test Cable 3-3. Serial Cable (GH39-00090A) (GH00-00127A) 3-4. Power Supply Cable 3-5. DATA CABLE 3-6. TA (GH39-00159A) (GH44-00184A) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 8: Electrical Parts List

    CN401 2203-000359 C228 0407-000115 D100 2203-000278 C229,C246,C257,C258 2901-001260 F105,F106,F107,F108 2203-000254 C230,C231,C232,C233 2901-001260 F109 2203-000854 C235,C253,C261 2909-001191 F400 2203-000254 C237,C238,C239,C240 2904-001410 F401 2203-005052 C242 2703-002112 L100 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 9 R414 2007-002965 R133,R135 3404-001152 SW201,SW202 2007-000151 R134,R204,R205,R208 1203-002902 U100 2007-000162 R202,R212,R218,R234 1203-002127 U101 2007-007014 R203 0506-001052 U102 2007-000775 R206 1203-001518 U103 2007-001325 R210,R211 1203-002633 U105 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 10 U402 1209-001434 U403 0801-002345 U404 1405-001112 ZD101,ZD113 0404-001172 ZD111 0406-001167 ZD112 0403-001446 ZD114 0403-001427 ZD205 1405-001082 ZD206,ZD207,ZD208 1405-001018 ZD209,ZD219 1405-001082 ZD218,ZD404,ZD409 1405-001082 ZD410,ZD411 0406-001083 ZD412,ZD413,ZD414 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 11: Flow Chart Of Troubleshooting

    Check the clock generation circuit Freq = 13MHz , (related to OSC400, U401 pin 19) Vrms ≥ 300mV Vpp = 900mVpp Check the initial operation SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 12 The Voltage is "High" Check the U100 at the C111,C118 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 13 Check the U301 pin#52, #53, #54 of U100? Is there any Signals Check the U100 pin#1, #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 14 SGH-X105 Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 15 "low"? The pin #3 of Q101 is Check the Q101 "low"? The ICHRG = 1V(during charging) and = 180mV(full Solder again or change R130 charging)? SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 16 U101 ISENSE DRIVE 2 GND VSENSE PROG TA_VEXT C119 10UF R129 C120 10K,1% CHG_DET 10UF Q102 U102 R130 10K,1% R131 CHG_ON ICHRG 47K,1% TA_VEXT R132 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 17 Check the reference voltage on mic path Solder the microphone again or C247 = 2.5V Replace C225, R220, C247, R219 R214 Is microphone ok? Check U200 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 18 SGH-X105 Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 19: Speaker Part

    Replace Receiver O.K? Cheak power supply for U200 Check U100 VCCD,VCCA O.K? Receiver U200 Receiver U301 O.K? R249 RECP AOUTAP R251 R250 AOUTAN RECN RECEIVE R SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 20 Check signals of CN205 Replace Speaker Check Power of U201 PIN #15,32,6,7 Check U100 O.K? Check data lines of U200 Check LCD and Memory 4-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 21 R206 CP_OENL HPOUT-R R207 C209 C210 HPOUT-L/MONO 4.7UF IOVDD 6.3V C213 C214 100PF 100NF R209 VCCD YMU_LED YMU_IRQ C218 C219 C220 4.7UF 100NF 6.3V 4-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 22 U4 01 pin1, 2 resolder or change Vp-p : 25 0mV ? U40 0 pin 2 ,3,4,5 Vp-p : 1 00mV ? CHECK U200 4-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 23: Egsm Transmitter

    4 : 3 V ? change or re solder check or change : 3V? U4 03 change o r resolder U4 01 change o r resolder 4-13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 24 U401 U4 01 pin1,2 resolder or change Vp-p : 25 0mV ? U40 0 pin 2 ,3,4,5 Vp-p : 1 00mV ? CHECK U200 4-14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 25: Pcs Transmitter

    4 : 3 V ? change or re solder check or change : 3V? U4 03 U4 01 change o r resolder change o r resolder 4-15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 26 SGH-X105 Flow Chart of Troubleshooting 4-16 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 27: Block Diagrams

    SI4200 SERIAL DATA, SERIAL DATA ARM7TDMI CLK, INTERFACE GSM:890MHz~ 915MHz D E T TCVCXO 13 MHz PCS:1850MHz~ 1910MHz A F C C L K SI4133T SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 28 JTAG OCTL X-TAL DAIRN 32.768KHz DAIDO DAIDI JTAG/ICE KEYBOARD Audio Part JTAG/ICE Audio SRAM FLASH B'D B'D conn. (16M) (128M) Keypad CCD conn. Memory part SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 29: Pcb Diagrams

    U100 R135 C410 C122 CN400 C105 C408 C121 U400 U105 R212 C221 R218 C424 C403 U103 C404 C101 C402 R401 Q203 Q204 Q205 C132 C236 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 30 C150 R251 C149 C148 C147 RECP C146 C145 C144 C143 C142 R125 C160 C141 RIGHT LED110 LED112 LED108 LED102 C140 C139 R123 C138 C137 CN101 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 31 www.s-manuals.com...

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