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Samsung SGH-S108 Service Manual

China cellular gsm telephone
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SERVICE
C h in aC e llu la rG S M T e le p h o n e
CHIN A CE L L UL A R G SM
TE L E PHO N E
Manual
1 .E x p l o d e dV i e w sa n dP a r tsL is t
2 .E l e c tr i c a lP a r tsL i s t
3 .B lo c kD i a g r a m s
4 .P C B D i a g r a m s
5 .F l o w C h a r to fT r o u b le s h o o ti n g
C O N T E N T S

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Summary of Contents for Samsung SGH-S108

  • Page 1 CHIN A CE L L UL A R G SM TE L E PHO N E Manual SERVICE C h in aC e llu la rG S M T e le p h o n e C O N T E N T S 1 .E x p l o d e dV i e w sa n dP a r tsL is t 2 .E l e c tr i c a lP a r tsL i s t 3 .B lo c kD i a g r a m s...
  • Page 2 ELECTRONICS ¨Ï Sam sung E lectronics Co.,L td. Decem ber. 2002 P rinted in K orea. C ode N o.: G H 68-03165A B A SIC.
  • Page 3 C108 C- CERAMIC,CHIP 100nF,+80- 20%,16V,Y5V,TP,1005 2203- 005483 C109 C- CERAMIC,CHIP 68nF,10%,10V,X5R,TP,1005,- 2203- 001598 C111 C- CERAMIC,CHIP 2200nF,+80- 20%,16V,Y5V,TP,2012 2203- 001598 C112 C- CERAMIC,CHIP 2200nF,+80- 20%,16V,Y5V,TP,2012 2203- 001598 C113 C- CERAMIC,CHIP 2200nF,+80- 20%,16V,Y5V,TP,2012 SAMSUNG Proprietary-Contents may change without notice 1- 1...
  • Page 4 2203- 005061 C402 C- CERAMIC,CHIP 100nF,+80- 20%,16V,Y5V,TP,1005 2203- 001405 C403 C- CERAMIC,CHIP 22nF,+80- 20%,25V,Y5V,TP,1005 2404- 001086 C404 C- TA,CHIP 4.7uF,20%,6.3V,GP,TP,2012,- 2203- 000885 C405 C- CERAMIC,CHIP 4.7nF,10%,25V,X7R,TP,1005,- 2203- 000233 C407 C- CERAMIC,CHIP 0.1NF,5%,50V,C0G,TP,1005 SAMSUNG Proprietary-Contents may change without notice 1- 2...
  • Page 5 C- CERAMIC,CHIP 10nF,10%,16V,X7R,TP,1005,- 2203- 000233 C614 C- CERAMIC,CHIP 0.1NF,5%,50V,C0G,TP,1005 2203- 000628 C615 C- CERAMIC,CHIP 0.022NF,5%,50V,C0G,TP,1005 2203- 000628 C616 C- CERAMIC,CHIP 0.022NF,5%,50V,C0G,TP,1005 2203- 000679 C617 C- CERAMIC,CHIP 0.027NF,5%,50V,C0G,TP,1005 2203- 001153 C707 C- CERAMIC,CHIP 0.068nF,5%,50V,NP0,TP,1005 SAMSUNG Proprietary-Contents may change without notice 1- 3...
  • Page 6 0.1NF,5%,50V,C0G,TP,1005 2203- 000233 C919 C- CERAMIC,CHIP 0.1NF,5%,50V,C0G,TP,1005 2203- 000233 C920 C- CERAMIC,CHIP 0.1NF,5%,50V,C0G,TP,1005 2203- 001405 C921 C- CERAMIC,CHIP 22nF,+80- 20%,25V,Y5V,TP,1005 2203- 000995 C922 C- CERAMIC,CHIP 0.047NF,5%,50V,C0G,TP,1005 2203- 000812 C923 C- CERAMIC,CHIP 0.033NF,5%,50V,C0G,TP,1005 SAMSUNG Proprietary-Contents may change without notice 1- 4...
  • Page 7 Q101 TR- POWER ZXT13P20DE6,PNP,1100MW,SOT- 23- 6,TP,300- 0501- 000225 Q400 TR- SMALL SIGNAL 2SC4617,NPN,200mW,EM3,TP,120- 5 0504- 000167 Q700 TR- DIGITAL RN1102,NPN,100MW,10K/10K,SSM,TP 0504- 000167 Q701 TR- DIGITAL RN1102,NPN,100MW,10K/10K,SSM,TP 0504- 000167 Q702 TR- DIGITAL RN1102,NPN,100MW,10K/10K,SSM,TP SAMSUNG Proprietary-Contents may change without notice 1- 5...
  • Page 8 R- CHIP 1Kohm,5%,1/16W,DA,TP,1005 2007- 000140 R310 R- CHIP 1Kohm,5%,1/16W,DA,TP,1005 2007- 007771 R312 R- CHIP 0OHM,5%,1/16W,DA,TP,1005 2007- 000172 R400 R- CHIP 10ohm,5%,1/16W,DA,TP,1005 2007- 003001 R401 R- CHIP 12OHM,5%,1/16W,DA,TP,1005 2007- 000159 R403 R- CHIP 56Kohm,5%,1/16W,DA,TP,1005 SAMSUNG Proprietary-Contents may change without notice 1- 6...
  • Page 9 R- CHIP 10ohm,5%,1/16W,DA,TP,1005 2007- 000172 R800 R- CHIP 10ohm,5%,1/16W,DA,TP,1005 2007- 002797 R801 R- CHIP 560ohm,5%,1/16W,DA,TP,1005 2007- 002797 R802 R- CHIP 560ohm,5%,1/16W,DA,TP,1005 2007- 007771 R803 R- CHIP 0OHM,5%,1/16W,DA,TP,1005 2007- 000758 R804 R- CHIP 330Kohm,5%,1/16W,DA,TP,1005 SAMSUNG Proprietary-Contents may change without notice 1- 7...
  • Page 10 1405- 001082 ZD310 VARISTOR 5.6V,20A,1x0.5x0.6mm,TP 0406- 001084 ZD311 DIODE- TVS SMF05,6/- /- V,200W,- 1405- 001082 ZD401 VARISTOR 5.6V,20A,1x0.5x0.6mm,TP 1405- 001082 ZD402 VARISTOR 5.6V,20A,1x0.5x0.6mm,TP 1405- 001082 ZD404 VARISTOR 5.6V,20A,1x0.5x0.6mm,TP 1405- 001082 ZD405 VARISTOR 5.6V,20A,1x0.5x0.6mm,TP SAMSUNG Proprietary-Contents may change without notice 1- 8...
  • Page 11 Ex p l o d e d V i e w a n d i t s P a r t s l i s t 1. Cellular pho ne Explo ded View SAMSUNG Proprietary-Contents may change without notice 2- 1...
  • Page 12 G H73- 01229A R E AR CO V ER G H75- 02077A S C RE W 6001- 001479 G H43- 00656A 720M AH B A TTE RY G H43- 00658A 900M AH SAMSUNG Proprietary-Contents may change without notice 2- 2...

  • Page 13: Data Cable

    3- 1. RF Tes t Cable 3- 2. Test Cable 3- 3. Ser ial Cable (GH39- 00093A) (GH39- 00165A) 3- 4. Pow er Supply Cable 3- 5. DATA CABLE 3- 6. TA (GH44- 00312D) (GH39- 00176A) SAMSUNG Proprietary-Contents may change without notice 2- 3...
  • Page 14 SGH- S108 E xploded view and its Part list SAMSUNG Proprietary-Contents may change without notice 2- 4...
  • Page 15 G SM : 890M Hz~915M Hz D E T I , Q DC S: 1710M Hz~1785M Hz TC VCXO 13 M H z PC S: 1850M Hz~1910M Hz A F C C L K SI 4133T SAMSUNG Proprietary-Contents may change without notice 3- 1...
  • Page 16 SRAM SRAM FLASH FLASH RO M RO M ( 8M ) ( 64M ) ( 64M ) ( 8M ) Keypad B' D B' D con. M em or y par t SAMSUNG Proprietary-Contents may change without notice 3- 2...
  • Page 17 C516 R1009 R1004 R404 ZD311 R1006 C1004 C1020 C401 R1008 C1008 R700 C1009 C700 C402 U1000 R1003 R1002 C1018 C1003 C517 C1012 C412 C513 R1018 U400 R412 R415 C417 C407 C519 F202 SAMSUNG Proprietary-Contents may change without notice 4- 1...
  • Page 18 R303 C103 R308 C112 C115 R307 R305 C113 C116 F1000 U1001 R101 C119 R110 Q100 R312 ZD303 C1026 C415 C413 C1022 ZD402 ZD405 C206C215 C205 R711 D300 C301 C203 C204 R200 C216 SAMSUNG Proprietary-Contents may change without notice 4- 2...
  • Page 19 Check the clock signal at pin#4 of U801 Fr eq = 13MHz , Check the clock generation Vrms ¡Ã 300mV circuit (related to OSC801 and U801) Vpp ¤ó 900mVpp Check the initial oper ation SAMSUNG Proprietary-Contents may change without notice 5- 1...
  • Page 20 Check the U700 "High" The Voltage is "High" at the C114, C116, Check the U100 C117 LCD display is O.K Check the LCD Par t Sound is O.K Check the Audio Par t SAMSUNG Proprietary-Contents may change without notice 2- 2...
  • Page 21 The pin #3 of Q101 is Check the Q101 "low"? The pin #5 of U101 is Check the U101 3.2~4.2V"? The ICHRG = 1V(dur ing charging) and ¤ó 180mV(full Solder again or change R111 charging)? SAMSUNG Proprietary-Contents may change without notice 2- 3...
  • Page 22 "Insert SIM" is displayed on the LCD Is ther e any Signals Check the U601 pin#64, #65, #66 of CN100? Is ther e any Signals Check the U100 pin#61, #62, #63 of CN100? Check the SIM Card SAMSUNG Proprietary-Contents may change without notice 2- 4...
  • Page 23 Is the assembled status Reassemble the microphone of micr ophone O.K? Check the refer ence voltage on mic path Solder the micr ophone again or C409 ¤ó 2.0V Replace C400,C409,R405,R406,R409,R410 Is microphone ok? Check U700 SAMSUNG Proprietary-Contents may change without notice 2- 5...
  • Page 24 Is there any signals at the pin#5 and at the pin#2 and pin#7 of U400? pin#10 of U400? The pin#4 of The pin#4 of Check U401 U400 is U400 is "High" Check U400 Check U700 SAMSUNG Proprietary-Contents may change without notice 2- 6...
  • Page 25 Y ES U900 solder again or change U901 U901 solder again or change pin#1,#2 Vp- p=250m V? Y ES U900 pin 2,#3,#4,#5 Vp- p =100m V ? Y ES C HEC K U700 SAMSUNG Proprietary-Contents may change without notice 2- 7...
  • Page 26 U700 change or change solder again U902 U700 OSC801 U100 pin#9,#10,#11, check or pin #4 = pin#39,C116 change change or solder again U901 U902 change or change or solder again solder again SAMSUNG Proprietary-Contents may change without notice 2- 8...
  • Page 27 V p -p= 2 50m V ? Y E S U 90 0 pin 2,#3,#4,#5 V p-p = 1 00m V? Y E S C H E C K U 70 0 SAMSUNG Proprietary-Contents may change without notice 2- 9...
  • Page 28 U 9 0 1 ch a n g eo r s o ld e r a g a in SAMSUNG Proprietary-Contents may change without notice 2- 10...
  • Page 29 U 9 0 0p in 2 ,# 3 ,# 4 ,# 5 V p -p= 1 0 0 m V? Y E S C H E C K U 7 0 0 SAMSUNG Proprietary-Contents may change without notice 2- 11...
  • Page 30 U 9 0 1 ch a n g eo r s o ld e r a g a in SAMSUNG Proprietary-Contents may change without notice 2- 12...