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Samsung SGH-S300 Service Manual
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Samsung SGH-S300 Service Manual

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SERVICE
GSM TELEPHONE
All manuals and user guides at all-guides.com
GSM TELEPHONE
SGH-S300
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Manual
CONTENTS
Specification
Exploded Views and Parts List
Electrical Parts List
Block Diagrams
PCB Diagrams
Flow Chart of Troubleshooting and
Circuit Diagrams

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Summary of Contents for Samsung SGH-S300

  • Page 1 All manuals and user guides at all-guides.com GSM TELEPHONE SGH-S300 Manual SERVICE GSM TELEPHONE CONTENTS Specification Exploded Views and Parts List Electrical Parts List Block Diagrams PCB Diagrams Flow Chart of Troubleshooting and Circuit Diagrams...
  • Page 2 - 1 0 0 d B m - 1 0 0 d B m TD M A M u x C el l R a d i u s 3 5 K m 3 5 Km 2 K m SAMSUNG Proprietary-Contents may change without notice...
  • Page 3 6 ± 4 dBm 4 ± 4 dBm 4 ± 4 dBm 7 ± 3 dBm 5 ± 3 dBm 2 ± 5 dBm 2 ± 5 dBm 0 ± 5 dBm 0 ± 5 dBm SAMSUNG Proprietary-Contents may change without notice...
  • Page 4 All manuals and user guides at all-guides.com 2. SGH-S300 Exploded View and its Parts list 1. Cellular phone Exploded View SAMSUNG Proprietary-Contents may change without notice...
  • Page 5 All manuals and user guides at all-guides.com SGH-S300 Exploded view and its Part list 2. Cellular phone Parts list Description SEC.CODE REMARK DUAL WINDOW LCD GH72-05886A FOLDER UPPER GH75-02422A FOLDER DUMMY GH75-02341A GH07-00230A SPEAKER 3001-001341 MOTOR 3101-001315 FOLDER LOWER GH75-02423A...
  • Page 6 All manuals and user guides at all-guides.com SGH-S300 Exploded view and its Part list 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)
  • Page 7 All manuals and user guides at all-guides.com 3. SGH-S300 MAIN Electrical Parts List Level SEC Code Design LOC Descriptions GH71-00734A ANT1 NPR-CONTACT ANT -,SCH-A475,PBS,4.7X2.5XT.01,-,-,-,-,-,GLD 2203-002677 C1002 C-CERAMIC,CHIP 0.75pF,0.1pF,50V,CH,TP,1005,- 2203-002668 C1003 C-CERAMIC,CHIP 0.0005nF,0.1pF,50V,NP0,TP,1005 2203-002677 C1007 C-CERAMIC,CHIP 0.75pF,0.1pF,50V,CH,TP,1005,- 2203-001598 C101 C-CERAMIC,CHIP 2200nF,+80-20%,16V,Y5V,TP,2012...
  • Page 8 C-CERAMIC,CHIP 10nF,10%,16V,X7R,TP,1005,- 2203-005496 C601 C-CERAMIC,CHIP 220nF,+80-20%,10V,Y5V,TP,1005 2203-005496 C602 C-CERAMIC,CHIP 220nF,+80-20%,10V,Y5V,TP,1005 2203-000254 C603 C-CERAMIC,CHIP 10nF,10%,16V,X7R,TP,1005,- 2203-000254 C604 C-CERAMIC,CHIP 10nF,10%,16V,X7R,TP,1005,- 2203-000254 C605 C-CERAMIC,CHIP 10nF,10%,16V,X7R,TP,1005,- 2203-000254 C606 C-CERAMIC,CHIP 10nF,10%,16V,X7R,TP,1005,- 2203-000254 C607 C-CERAMIC,CHIP 10nF,10%,16V,X7R,TP,1005,- 2203-000254 C608 C-CERAMIC,CHIP 10nF,10%,16V,X7R,TP,1005,- SAMSUNG Proprietary-Contents may change without notice...
  • Page 9 0.01NF,0.5PF,50V,C0G,TP,1005 2203-001405 C915 C-CERAMIC,CHIP 22nF,+80-20%,25V,Y5V,TP,1005 2203-000233 C916 C-CERAMIC,CHIP 0.1NF,5%,50V,C0G,TP,1005 2203-000278 C917 C-CERAMIC,CHIP 0.01NF,0.5PF,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 2203-000233 C924 C-CERAMIC,CHIP 0.1NF,5%,50V,C0G,TP,1005 CONNECTOR-CARD 3709-001244 CN100 6P,2MM,-,AU EDGE SAMSUNG Proprietary-Contents may change without notice...
  • Page 10 TR-DIGITAL RN1104,NPN,100MW,47K/47K,SSM,TP 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 2007-001319 R100 R-CHIP 1.2Kohm,5%,1/16W,DA,TP,1005 2007-007771 R101 R-CHIP 0OHM,5%,1/16W,DA,TP,1005 2007-002965 R1010 R-CHIP 15OHM,5%,1/16W,DA,TP,1005 2007-000139 R1011 R-CHIP 220ohm,5%,1/16W,DA,TP,1005 2007-001311 R1012 R-CHIP 270ohm,5%,1/16W,DA,TP,1005 SAMSUNG Proprietary-Contents may change without notice...
  • Page 11 R-CHIP 1Kohm,5%,1/16W,DA,TP,1005 2007-000140 R308 R-CHIP 1Kohm,5%,1/16W,DA,TP,1005 2007-000140 R309 R-CHIP 1Kohm,5%,1/16W,DA,TP,1005 2007-000140 R310 R-CHIP 1Kohm,5%,1/16W,DA,TP,1005 2007-007771 R399 R-CHIP 0OHM,5%,1/16W,DA,TP,1005 2007-007771 R402 R-CHIP 0OHM,5%,1/16W,DA,TP,1005 2007-000164 R403 R-CHIP 150Kohm,5%,1/16W,DA,TP,1005 2007-000775 R404 R-CHIP 33Kohm,5%,1/16W,DA,TP,1005 2007-000147 R405 R-CHIP 8.2Kohm,5%,1/16W,DA,TP,1005 SAMSUNG Proprietary-Contents may change without notice...
  • Page 12 0OHM,5%,1/16W,DA,TP,1005 IC-VOLTAGE 1203-002568 U100 PSC2006,MLCC,68P,10X10MM,PLASTIC,1.8/2.5V REGULATOR 1201-001889 U1001 IC-POWER AMP 3110,SMD-MODULE,40P,10X10MM,DUAL,35DB,-, IC-VOLTAGE 1203-001720 U101 5219,SOT-23,5P,63MIL,PLASTIC,2.91/3.09V,-,- REGULATOR 1203-002127 U102 IC-BATTERY 1734,SOT-23,6P,150MIL,PLASTIC,4.7/5.3V,-,0to+ 0506-001052 U103 TR-ARRAY UMH9N,NPN,2,150MW,SC-88,TP,68- 3404-001152 U200 SWITCH-TACT 12V DC,20mA,160gf,4.5x4.0x2.3mm,SPST 3404-001152 U201 SWITCH-TACT 12V DC,20mA,160gf,4.5x4.0x2.3mm,SPST SAMSUNG Proprietary-Contents may change without notice...
  • Page 13 VARISTOR 5.6V,20A,1x0.5x0.6mm,TP 1405-001082 ZD316 VARISTOR 5.6V,20A,1x0.5x0.6mm,TP 1405-001082 ZD317 VARISTOR 5.6V,20A,1x0.5x0.6mm,TP 1405-001082 ZD318 VARISTOR 5.6V,20A,1x0.5x0.6mm,TP 1405-001018 ZD319 VARISTOR 14V,-,1.6x0.8mm,TP 1405-001082 ZD401 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 GH41-00338A PCB-SGHS300 MAIN SGH-S300,FR4,8L,0,1.0T,100X155MM,-,3ARRAY, SAMSUNG Proprietary-Contents may change without notice...
  • Page 14 1. RF Solution Block Diagram CSP1093 GSM:925MHz~960MHz TRIDENT Antenna DCS:1805MHz~1880MHz CHANNEL FILTER FILTER PCS:1930MHz~1990MHz DSP16000 100KHz 1 / 2 SI4201 SI4200 SERIAL DATA BASE INTERFACE BAND GSM:890MHz~915MHz ARM7TDMI TX VCO DCS:1710MHz~1785MHz TCVCXO PCS:1850MHz~1910MHz 13MHz SI4133T TXPOWER AUDIO SAMSUNG Proprietary-Contents may change without notice...
  • Page 15 OCTL SERDA SMART SIM I/O RXOVL CARD OCTL X-TAL DSPJTAG 32.768 KHz JTAG DAICK DAIRN JTAG/ICE DAIDO JTAG/ICE KEYBOARD DAIDI AUDIO PART 128M FLASH 16M SRAM AUDIO Memory Part MOTOR B'D to B'D Connector SAMSUNG Proprietary-Contents may change without notice...
  • Page 16 C805 C806 R101 R810 R802 C1019 C119 U100 L1006 C125 C1015 CN1001 R110 C803 C1017 R102 C1014 C910 C903 C108 MAIN_MIC C1011 C126 L1015 C1007 U900 C905 ANT1 C1002 R106 C908 C924 C906 R999 SAMSUNG Proprietary-Contents may change without notice...
  • Page 17 2. Main PCB Bottom Diagram R225 R226 ZD203 C1046 C213 C404 C620 C212 Q100 C211 C210 LEFT C407 C410 R425 F202 F200 R424 F203 Q400 F201 F204 R423 U101 R711 R701 R700 C102 Q702 Q700 Q701 D100 SAMSUNG Proprietary-Contents may change without notice...
  • Page 18 All manuals and user guides at all-guides.com 6. SGH-S300 Flow Chart of Troubleshooting and Circuit Diagrams 1.Baseband 1. Power ON 'Power On' does not work Check the current consumtion more than Downloader again 100mA Check the Vbat(battery+ O ) Charge the Battery Voltage more than 3.3V...
  • Page 19 All manuals and user guides at all-guides.com SGH-S300 Flow Chart of Troubleshooting and Circuit Diagrams 2. Initial Initial Failure Check the signal at the pin 28 of U100 is Check U100 "H igh" when the phone is boot on Check the pin 22 of Check the U700 U100 is "H igh"...
  • Page 20 All manuals and user guides at all-guides.com SGH-S300 Flow Chart of Troubleshooting and Circuit Diagrams 4. Charging Part Abnormal charging part Check the pin 17,18 of Check U100 CN302 VEXT is > 4V? Check the pin 2 of U103 Check the U700 is "LOW"?
  • Page 21 All manuals and user guides at all-guides.com SGH-S300 Flow Chart of Troubleshooting and Circuit Diagrams 5. Microphone Part Microphone does not work Check the assembled Reass emblage microphone status of microphone. Check the reference resolder or change voltage on mic path C400,R428,R409,R405,R406) C418 =2.5V...
  • Page 22 All manuals and user guides at all-guides.com SGH-S300 Flow Chart of Troubleshooting and Circuit Diagrams 7. Back Light Backlight does not work Check the soldered status of EL pad Backlight "ON" mode in Select backlight "ON" mode the meue? Check the PIN 3 of Check the U601 200-1 = 2.8V?
  • Page 23 All manuals and user guides at all-guides.com SGH-S300 Flow Chart of Troubleshooting and Circuit Diagrams 8.Alert Tone Abnormal Alert tone Alert tone On by pushing the key *#0289# Check the PIN 17, 18 of Check the circuit related to CN200-1...
  • Page 24 All manuals and user guides at all-guides.com SGH-S300 Flow Chart of Troubleshooting and Circuit Diagrams 2.RF 1. GSM Receiver CONTINUOS RX ON RF INPUT : 62CH Cell power : -50dBm NORMAL CONDITION CHECK catch the channel? C1012,L 1015,C1002 contact? F 1002 CHECK...
  • Page 25 All manuals and user guides at all-guides.com SGH-S300 Flow Chart of Troubleshooting and Circuit Diagrams 2. DCS Receiver CONTINUOS RX ON RF INPUT : 698CH Cell power : -50dBm NORMAL CONDITION CHECK catch the channel? C1012,L1015,C1002 contact? F1002 CHECK CN1001 resolder or change pin13 ≥...
  • Page 26 All manuals and user guides at all-guides.com SGH-S300 Flow Chart of Troubleshooting and Circuit Diagrams 3. PCS Receiver CONTINUOS RX ON RF INPUT : 698CH Cell power : -50dBm NORMAL CONDITION CHECK catch the channel? C1012,L1015,C1002 contact? CN1001 F1002 CHECK resolder or change pin13 ≥...
  • Page 27 All manuals and user guides at all-guides.com SGH-S300 Flow Chart of Troubleshooting and Circuit Diagrams 4. GSM Transmitter CONTINUS TX ON U700,U701 F1002 pin 13 F1002 CONDITION check & change about 2~3dBm? pin 11 : 2.8V MS TX level 19...
  • Page 28 All manuals and user guides at all-guides.com SGH-S300 Flow Chart of Troubleshooting and Circuit Diagrams 5. DCS Transmitter CONTINUS TX ON CONDITION F1002 F1002 pin 13 U700,U701 pin 9 : 2.8 V? about 2~3 dBm? check & change MS TX level 12...
  • Page 29 All manuals and user guides at all-guides.com SGH-S300 Flow Chart of Troubleshooting and Circuit Diagrams 6. PCS Transmitter CONTINUS TX ON CONDITION F1002 F 1002 pin 13 U700,U702 pin 9 : 2.8 V? about 2~3 dBm? check & change MS TX level 12...
  • Page 30 All manuals and user guides at all-guides.com SGH-S300 Flow Chart of Troubleshooting and Circuit Diagrams TH1X 5 CN10 0 VCC_1.8A VCCD VPA C VOSC VCCA VCCB VRTC C103 C104 C105 33PF C108 C106 C107 100N F 2.2U F 100N F...
  • Page 31 All manuals and user guides at all-guides.com SGH-S300 Flow Chart of Troubleshooting and Circuit Diagrams F203 F201 OUT 5 OUT 5 D(8) D(8)_F O A(2) A(2)_FO D(10) D(10)_FO GLCD_EN GLCD_EN_F O CP_WE N CP_TD O D(12) D(12)_FO CP_WE N CP_WEN_FO...
  • Page 32 All manuals and user guides at all-guides.com SGH-S300 Flow Chart of Troubleshooting and Circuit Diagrams VCCD VCC D VBA T R305 R306 CN302-1 DLC_DETECT DLC_DETEC R310 SDS_TXD SDS_TXD R309 SDS_RXD SDS_RXD R308 DEBUG_TX D DEBUG_TX R307 DEBUG_RXD DEBUG_RXD VCCD DEBUG_DT R...
  • Page 33 All manuals and user guides at all-guides.com SGH-S300 Flow Chart of Troubleshooting and Circuit Diagrams VCCD U402 1 B1 AOUTAN AUDIO_OUT_SEL 25 24 23 22 21 20 SPK1 N VBA T D(1) C460 C461 100N F 100PF D(0) SPVDD R460...
  • Page 34 All manuals and user guides at all-guides.com SGH-S300 Flow Chart of Troubleshooting and Circuit Diagrams VCC D VCCD VCCD R508 C599 R599 C513 100N F C518 C519 U501 100N F 100N F A(1:22 ) S-A17 F-VCC F-VPP D(0:15) E5 F-A19...
  • Page 35 All manuals and user guides at all-guides.com SGH-S300 Flow Chart of Troubleshooting and Circuit Diagrams JTAG VCCD VCC_1.8A C603 C604 C60 5 C606 C607 C608 C601 C602 10N F 10N F 10NF 10NF 10NF 10N F 220NF 220NF VCC_1.8A VCCD...
  • Page 36 All manuals and user guides at all-guides.com SGH-S300 Flow Chart of Troubleshooting and Circuit Diagrams Q701 R700 27 0 U700 GREEN_LE DSP_AB(0:8 ) P5 AB 0 DSP_AB(0) OCTL9 SERC K SERCLK DSP_AB(1) AB 1 SERDA SERDAT TXPOWE N3 AB 2...
  • Page 37 All manuals and user guides at all-guides.com SGH-S300 Flow Chart of Troubleshooting and Circuit Diagrams 3456 VOSC VOSC L80 1 R803 C803 C800 1N F 10PF R80 1 1.5K CLK13M_TR U800 OSC801 C802 C805 C806 R802 10N F 1N F...
  • Page 38 All manuals and user guides at all-guides.com SGH-S300 Flow Chart of Troubleshooting and Circuit Diagrams SERDAT SERCLK C903 22N F SERL E SI_EN C924 100PF C905 C906 22N F C922 22NF 47PF SD O 15 GSM_PAM_IN 2 RXQP PDNB RXQP...
  • Page 39 All manuals and user guides at all-guides.com SGH-S300 Flow Chart of Troubleshooting and Circuit Diagrams ANT 1 CN1001 C1012 33PF GND GND L101 5 C100 2 8.2nH 0.75P F C100 7 0.75PF GSM_LNA_IN_N L1001 C101 1 27n H 0.75PF GSM_LNA_IN_P...
  • Page 40 All manuals and user guides at all-guides.com ELECTRONICS ⓒ Samsung Electronics Co.,Ltd. December. 2002 Printed in Korea. Code No.: GH68-03465A BASIC.