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Samsung SGH-X105 Service Manual

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Download this manual See also: Service Manual, User Manual
G SM TE L E P HO N E
Manual
SERVICE
G S M T E L E P H O N E
C O N T E N T S
1 . S p e c i f i c a ti o n
2 . E x p lo d e dV ie w sa n dP a r tsL i s t
3 . E l e c tr i c a lP a r tsL i s t
4 . F l o w C h a r to fT r o u b l e s h o o tin g
5 . B l o c kD ia g r a m s
6 . P C B D i a g r a m s

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Summary of Contents for Samsung SGH-X105

  • Page 1 G SM TE L E P HO N E Manual SERVICE G S M T E L E P H O N E C O N T E N T S 1 . S p e c i f i c a ti o n 2 .
  • Page 2 ELECTRONICS ¨Ï S am sung E lectronics C o.,L td. A U G . 2003 P rinted in K orea. T his S ervice M anu al is a property of S am sung E lectronics C o.,L td. A ny unauthoriz ed use of M anual can be punished under applicable C ode N o.: G H 68- 04199A International and /or d om estic law .

  • 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 1- 1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 4: Gsm Tx Power Class

    8¡¾ 4dBm 11¡¾ 3 dBm 6¡¾ 4 dBm 9¡¾ 3dBm 4¡¾ 4 dBm 7¡¾3 dBm 2¡¾ 5 dBm 5¡¾3 dBm 0¡¾ 5 dBm 1- 2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 5: Cellular Phone Exploded View

    2. SGH- X105 Exploded View and it s Part s list 1. Cellular phone Exploded View 2- 1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used w it hout Samsung' s author ization...
  • Page 6 V OL UME KEY GH75- 03143A MOT OR GH31- 00062A REAR COV ER GH75- 03141A SCREW 6001- 001479 BAT T ERY GH43- 00980A 2- 2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 7 3- 3. Serial Cable (GH39- 00090A) (GH00- 00127A) 3- 4. Power Supply Cable 3- 5. DATA CABLE 3- 6. TA (GH39- 00159A) (GH44- 00184A) 2- 3 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 8 C237 , C23 8, C2 39, C2 40 29 04- 00 141 0 F40 1 22 03- 00 505 2 C242 27 03- 00 211 2 L100 3- 1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 9 20 07- 000 775 R206 12 03- 00 151 8 U103 20 07- 001 325 R210 , R211 12 03- 00 263 3 U105 3- 2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 10 ZD218 , ZD404 , ZD409 14 05- 00 108 2 ZD410 , ZD411 04 06- 00 108 3 ZD412 , ZD413 , ZD414 3- 3 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 11 Freq = 13M H z , (related to O SC 400, U401 pin 19) Vrms ¡Ã300mV Vpp = 900m Vpp Y es Check the initial operation 4- 1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 12 LC D display is O .K C heck the LC D Part Y es Sound is O .K C heck the A udio Part Y es 4- 2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 13 Y es Is there any Signals C heck the U100 pin#1, #2, #3, #4 of C N100? Y es C heck the SIMC ard 4- 3 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 14 SG H- X105 F low Chart of Troubleshooting 4- 4 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 15: Charging Part

    " low" ? Y es The IC H R G = 1V(during charging) and = 180mV(full Solder again or change R 130 charging)? Y es 4- 5 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 16 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 4- 6 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 17: Microphone Part

    C 247 = 2.5V R eplace C 225, R 220, C247, R 219 R 214 Y es Is microphone ok? C heck U200 Y es 4- 7 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 18 SG H- X105 F low Chart of Troubleshooting 4- 8 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 19: Speaker Part

    O .K ? Y es R eceiver U200 R eceiver U301 O .K ? Y es R249 RECP AOUTAP R251 R250 AOUTAN RECN RECEIVE R 4- 9 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 20 C heck U100 O .K ? Y es C heck data lines of U200 C heck LC D and M emory O .K 4- 10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 21 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 U 4 0 0p in2 ,3 ,4 ,5 V p -p:1 0 0 m V ? C H E C K U 2 0 0 4- 12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 23: Egsm Transmitter

    U 4 0 1 c h a n g eo rr e so ld e r 4- 13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 24 U 4 0 0p in2 ,3 ,4 ,5 V p -p:1 0 0 m V ? C H E C K U 2 0 0 4- 14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 25: Pcs Transmitter

    4- 15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 26 SG H- X105 F low Chart of Troubleshooting 4- 16 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 27 D E T I , Q TCVCXO 13 M H z PCS: 1850M H z~1910M Hz A F C C L K SI 4133T 5- 1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 28 R O M B' D B' D conn. ( 16M ) ( 128M ) Keypad CC D conn. M em or y par t 5- 2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 29 C410 C122 CN400 C105 C408 C121 U400 U105 R212 C221 R218 C424 C403 U103 C404 C101 C402 R401 Q203 Q204 Q205 C132 C236 6- 1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 30 R251 C148 C147 RECP C146 C145 C144 C143 C142 R125 C160 C141 RIGHT LED110 LED112 LED108 LED102 C140 C139 R123 C138 C137 CN101 6- 2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

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