1. Manuals
  2. Brands
  3. Samsung Manuals
  4. Cell Phone
  5. SGH-i300
  6. Service manual

Samsung SGH-i300 Service Manual

Mits telephone
Hide thumbs Also See for SGH-i300:
Table of Contents

Advertisement

Quick Links

Download this manual See also: User Manual
MITs TELEPHONE
MITs TELEPHONE
SGH-i300
CONTENTS
1.
Specification
2.
Flow Chart of Troubleshooting
3.
Exploded Views and Parts List
4.
Electrical Parts List
5.
PCB Diagrams
6.
Block Diagrams

Advertisement

Table of Contents
loading

Related Manuals for Samsung SGH-i300

Summary of Contents for Samsung SGH-i300

  • Page 1 MITs TELEPHONE SGH-i300 MITs TELEPHONE CONTENTS Specification Flow Chart of Troubleshooting Exploded Views and Parts List Electrical Parts List PCB Diagrams Block Diagrams...

  • Page 2: Specification

    Impedance : 32 Ω , Size : 6 x 11 * 3t Motor RPM 10000, Size : Bartype 8 mm Key Matrix 5 * 7 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 3 GSM : 897.50 ± 17.5 MHz DCS : 1747.50 ± 37.5 MHz GSM : 1880.00 ± 30.0 MHz JTAG IEEE 1149.1 Protocol Support, Flash Programming Control UART RS-232C SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 4: Flow Chart Of Troubleshooting

    Pin 1 of U 307 is High more than 1.0V Check the Clock signal at Retry Hardware Reset OSC101 and OSC102 Check the initial operation SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 5 SGH-i300 Flow Chart of Troubleshooting and Circuit Diagrams VBAT VBAT VBAT VBAT R304 U306 R316 HOLE PDA_PWR_KEEP AUTO_PWR C317 C312 3.0V END_PWR RTCALARM VBAT BAT33 Q302 SENSE nPWR_SNS nALARM_SNS R308 U301 C347 C348 2 GND R306 REF_BYP POWER_DET C314 U304...
  • Page 6 SGH-I300 Flow Chart of Troubleshooting and Circuit Diagrams 1.8V VBAT VCC_MEM U305 SYS_EN C301 C303 C302 VBAT 1.35V CORE12 R355 U307 C316 PWR_EN PLLLPF R356 S/MODE L301 C319 C320 C324 R309 R310 C325 1.25V 1.35V 1.1V PLL13 CORE12 SRAM11 R312...
  • Page 7 SGH-i300 Flow Chart of Troubleshooting and Circuit Diagrams 2-2. Initial part Initial Failure Check the "nRESET_IN" signal Check the BAT33 at the R110 is High Check the "nGPIO_RESET"at the Check the U102 GPIO 1 of U101 is High Check the "nTrst"...
  • Page 8 SGH-I300 Flow Chart of Troubleshooting and Circuit Diagrams 2-3. Charge Part abnormal Charging part Check the pin 22 of Replace TC CN605 = 4.2V Check the Check the path from pin 1 of CN605 CN301 = 4.2V to pin 1 of CN301...

  • Page 9: Sim Part

    SGH-i300 Flow Chart of Troubleshooting and Circuit Diagrams 2-4. SIM Part Phone can't access SIM card Check the Check the circuit to pin 1 of CN701 CN701 voltage is 2.8V Check the SIM connector CN701 Resolder CN701 connection to SIM card...
  • Page 10 SGH-I300 Flow Chart of Troubleshooting and Circuit Diagrams 2-5. Microphone Phone Microphone does not work Check the connecttion from CN602 Change Main key FPCB Audio loopback is enabled Resolder by board test program R424,R426,R430,R431 R424,R431 = 2.2V Check the Hardware reset or...

  • Page 11: Speaker Part

    SGH-i300 Flow Chart of Troubleshooting and Circuit Diagrams 2-6. Speaker Part Speaker does not work Replace speaker and if speaker is well, than CN503 pin 3,4,5,6 = sine wave check the motor & flash Check the Hardware Reset or Pin 13 of U404 is High...
  • Page 12 SGH-I300 Flow Chart of Troubleshooting and Circuit Diagrams SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 13: Receiver Part

    SGH-i300 Flow Chart of Troubleshooting and Circuit Diagrams 2-7. Receiver Part Receiver does not work Check the R434,R437 = sine wave Replace Receiver Check the Check the Pin 4,8 of Pin 2,10 of U409 U409 is sine wave Check the...
  • Page 14 SGH-I300 Flow Chart of Troubleshooting and Circuit Diagrams 2-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 15 SGH-i300 Flow Chart of Troubleshooting and Circuit Diagrams 2-8. Key Matrix Part Check key initial operation Check the Check the R126, Pin 3,5,7,9,11 of R127,R128,R129, CN602 is High R142,R143 When one of the Replace the main key main keys is pushed...
  • Page 16 SGH-I300 Flow Chart of Troubleshooting and Circuit Diagrams VBAT V_LCD30 CN602 KBR(0) KBC(0) KBR(1) KBC(1) KBR(2) KBC(2) KBR(3) KBC(3) 12 12 KBR(4) KBC(4) KEY_LED_CONTROL KBC(5) 16 16 nGPIO_RESET END_PWR 20 20 24 24 MIC+ JOG_R MIC- JOG_L 28 28 KBC(6)
  • Page 17 SGH-I300 Flow Chart of Troubleshooting and Circuit Diagrams 2-9. Led Indicator Part LED indicator does not work Check the Pin 2 of Check the Q601,Q602,Q603,Q605 R605,R612,R614,R616 is high Check the Check R627 is high R601,R628,R628,R630 BAT33 VBAT R626 R627 R601...
  • Page 18 SGH-i300 Flow Chart of Troubleshooting and Circuit Diagrams 2-15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 19 SGH-I300 Flow Chart of Troubleshooting and Circuit Diagrams 2-10. Backlight Part Backlight does not work Select backlight Backlight "ON" mode in the menu "ON" mode Check the Pin 24 of CN501 Check the U501 is high Check the connection Check the R502...

  • Page 20: Egsm Receiver

    SGH-i300 Flow Chart of Troubleshooting and Circuit Diagrams 2-11. EGSM Receiver Continuous RX on RFinput : 62CH AMP : -50dBm Normal Check soldered status Condition catch of C933,L901 the channel? F903 check ANT902 resolder or pin6 = -65dBm change F903 check...

  • Page 21: Egsm Transmitter

    SGH-I300 Flow Chart of Troubleshooting and Circuit Diagrams 2-12. EGSM Transmitter Continuous TX on CONDITION TX F903 pin3 F903 U701 check POWER about 2-3dBm? pin4=2.8V? or change DAC500 CODE APPLIED CH62 RBW : 100KHz VBW : 100KHz ANT902, C932 SPAN : 10MHz REF...

  • Page 22: Dcs Receiver

    SGH-i300 Flow Chart of Troubleshooting and Circuit Diagrams 2-13. DCS Receiver Continuous RX on RFinput : 698CH AMP : -50dBm Normal Check soldered status Condition catch of C933,L901 the channel? F903 check ANT902 resolder or pin6 = -65dBm change F903 check...

  • Page 23: Pcs Receiver

    SGH-I300 Flow Chart of Troubleshooting and Circuit Diagrams 2-14. PCS Receiver Continuous RX on RFinput : 660CH AMP : -50dBm Normal Check soldered status Condition catch of C933,L901 the channel? F903 check ANT902 resolder or pin6 = -65dBm change F903 check...
  • Page 24 SGH-i300 Flow Chart of Troubleshooting and Circuit Diagrams 2-15. DCS, PCS Transmitter Continuous TX on CONDITION F903 pin3 F903 U701 check CH:698CH(DCS) about 2-3dBm? pin2=2.8V? or change CH:660CH(PCS) TX POWER CODE : 350CODE APPLIED RBW : 100KHz VBW : 100KHz...
  • Page 25 SGH-I300 Flow Chart of Troubleshooting and Circuit Diagrams 2-22 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 26 SGH-i300 Flow Chart of Troubleshooting and Circuit Diagrams 2-23 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 27: Exploded Views And Parts List

    QKP01 QLC01 QSH01 QJK01 QMI01 QME01 QHD02 QCR05 QMP01 QCA01 QAN02 QMO01 QCR08 QCK02 QSK03 QRE01 QCW04 QRF03 QCK01 QCK01 QRF01 QIF01 QCR04 QBA01 QBA02 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 28: Cellular Phone Parts List

    PMO-EAR JACK COVER GH72-24339A 　 QSK03 MEC-SIDE CAM KEY GH75-07815A QME01 　 UNIT-KEY PAD GH59-02014A 　 QMI01 AS-MIC GH81-02134A QAN02 　 INTENNA-SGHI300 GH42-00610A 　 QMO01 AS-MOTOR GH81-02148A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 29 MPR-HDD FRONT PORON GH74-18608A MPR-HDD REAR PORON GH74-18609A MPR-TAPE SPK GH74-19058A MPR-VINYL BOHO WIN ELEC GH74-19693A MPR-VINYL BOHO CAM ELEC GH74-19694A MEC-HAND STRAP I300 GH75-08312A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 30 3-1-1. RF Test Cable 3-1-2. Test Cable 3-1-3. Serial Cable 3-1-5. Data Cable 3-1-6. Travel Charger 3-1-4. Power Supply Cable 3-1-7. USB cable 3-1-8. JTAG cable SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 31: Electrical Parts List

    TR-DIGITAL 0504-000167 Q601 TR-DIGITAL 0504-000167 Q602 TR-DIGITAL 0504-000167 Q603 TR-DIGITAL 0504-000167 Q605 TR-DIGITAL 0504-000168 Q701 TR-DIGITAL 0504-000168 TR701 TR-DIGITAL 0504-000172 Q301 TR-DIGITAL 0505-001217 Q302 FET-GAAS SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 32 IC-POSI.FIXED REG. 1203-001720 U308 IC-POSI.FIXED REG. 1203-001720 U402 IC-POSI.FIXED REG. 1203-001720 U604 IC-POSI.FIXED REG. 1203-002155 U307 IC-DC/DC CONVERTER 1203-002250 U1107 IC-VOL. DETECTOR 1203-002690 U305 IC-POSI.FIXED REG. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 33 VARISTOR 1405-001093 TH622 VARISTOR 1405-001093 TH623 VARISTOR 1405-001093 TH624 VARISTOR 1405-001093 TH628 VARISTOR 1405-001093 TH629 VARISTOR 2007-000070 R507 R-CHIP 2007-000070 R508 R-CHIP 2007-000138 R904 R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 34 R-CHIP 2007-000163 R604 R-CHIP 2007-000163 R606 R-CHIP 2007-000163 R607 R-CHIP 2007-000163 R608 R-CHIP 2007-000166 R615 R-CHIP 2007-000166 R711 R-CHIP 2007-000168 R122 R-CHIP 2007-000168 R310 R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 35 R-CHIP 2007-000171 R433 R-CHIP 2007-000171 R439 R-CHIP 2007-000171 R440 R-CHIP 2007-000171 R506 R-CHIP 2007-000171 R602 R-CHIP 2007-000171 R609 R-CHIP 2007-000171 R610 R-CHIP 2007-000171 R627 R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 36 R-CHIP 2007-007133 R303 R-CHIP 2007-007136 R431 R-CHIP 2007-007142 R409 R-CHIP 2007-007142 R412 R-CHIP 2007-007142 R702 R-CHIP 2007-007189 R101 R-CHIP 2007-007189 R102 R-CHIP 2007-007308 R413 R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 37 R-CHIP 2007-008055 R302 R-CHIP 2007-008055 R436 R-CHIP 2007-008055 R810 R-CHIP 2007-008419 R1102 R-CHIP 2007-008419 R435 R-CHIP 2007-008419 R502 R-CHIP 2007-008419 R621 R-CHIP 2007-008419 R622 R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 38 R-CHIP 2007-008516 R707 R-CHIP 2007-008531 R503 R-CHIP 2007-008531 R629 R-CHIP 2007-008531 R630 R-CHIP 2007-008531 R705 R-CHIP 2007-008531 R708 R-CHIP 2007-008531 R717 R-CHIP 2007-008542 R1001 R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 39 C-CER,CHIP 2203-000386 C1021 C-CER,CHIP 2203-000386 C916 C-CER,CHIP 2203-000425 C1023 C-CER,CHIP 2203-000438 C1016 C-CER,CHIP 2203-000438 C1119 C-CER,CHIP 2203-000438 C1152 C-CER,CHIP 2203-000438 C407 C-CER,CHIP 2203-000438 C409 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 40 2203-000854 C601 C-CER,CHIP 2203-000854 C602 C-CER,CHIP 2203-000940 C309 C-CER,CHIP 2203-000940 C411 C-CER,CHIP 2203-000995 C424 C-CER,CHIP 2203-000995 C431 C-CER,CHIP 2203-000995 C912 C-CER,CHIP 2203-000995 C918 C-CER,CHIP 4-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 41 2203-005061 C1103 C-CER,CHIP 2203-005061 C1111 C-CER,CHIP 2203-005061 C1146 C-CER,CHIP 2203-005061 C1151 C-CER,CHIP 2203-005061 C212 C-CER,CHIP 2203-005061 C213 C-CER,CHIP 2203-005061 C402 C-CER,CHIP 2203-005061 C412 C-CER,CHIP 4-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 42 2203-005682 C515 C-CER,CHIP 2203-005682 C516 C-CER,CHIP 2203-005682 C517 C-CER,CHIP 2203-005682 C534 C-CER,CHIP 2203-005682 C535 C-CER,CHIP 2203-005682 C537 C-CER,CHIP 2203-005682 C538 C-CER,CHIP 2203-005682 C539 C-CER,CHIP 4-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 43 2203-006194 C1022 C-CER,CHIP 2203-006194 C1115 C-CER,CHIP 2203-006194 C1116 C-CER,CHIP 2203-006194 C1117 C-CER,CHIP 2203-006194 C306 C-CER,CHIP 2203-006194 C728 C-CER,CHIP 2203-006194 C730 C-CER,CHIP 2203-006194 C804 C-CER,CHIP 4-13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 44 2203-006423 C107 C-CER,CHIP 2203-006423 C108 C-CER,CHIP 2203-006423 C109 C-CER,CHIP 2203-006423 C110 C-CER,CHIP 2203-006423 C1105 C-CER,CHIP 2203-006423 C1106 C-CER,CHIP 2203-006423 C1107 C-CER,CHIP 2203-006423 C1108 C-CER,CHIP 4-14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 45 2203-006423 C135 C-CER,CHIP 2203-006423 C136 C-CER,CHIP 2203-006423 C137 C-CER,CHIP 2203-006423 C141 C-CER,CHIP 2203-006423 C142 C-CER,CHIP 2203-006423 C143 C-CER,CHIP 2203-006423 C144 C-CER,CHIP 2203-006423 C145 C-CER,CHIP 4-15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 46 2203-006423 C404 C-CER,CHIP 2203-006423 C405 C-CER,CHIP 2203-006423 C414 C-CER,CHIP 2203-006423 C433 C-CER,CHIP 2203-006423 C434 C-CER,CHIP 2203-006423 C441 C-CER,CHIP 2203-006423 C474 C-CER,CHIP 2203-006423 C488 C-CER,CHIP 4-16 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 47 2203-006562 C347 C-CER,CHIP 2203-006562 C348 C-CER,CHIP 2203-006562 C420 C-CER,CHIP 2203-006562 C428 C-CER,CHIP 2203-006562 C483 C-CER,CHIP 2203-006562 C708 C-CER,CHIP 2203-006562 C709 C-CER,CHIP 2203-006562 C712 C-CER,CHIP 4-17 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 48 2404-001268 C313 C-TA,CHIP 2404-001268 C314 C-TA,CHIP 2404-001268 C316 C-TA,CHIP 2404-001268 C319 C-TA,CHIP 2404-001268 C320 C-TA,CHIP 2404-001268 C321 C-TA,CHIP 2404-001268 C322 C-TA,CHIP 2404-001268 C327 C-TA,CHIP 4-18 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 49 2404-001353 C455 C-TA,CHIP 2404-001374 C604 C-TA,CHIP 2404-001386 C140 C-TA,CHIP 2404-001395 C118 C-TA,CHIP 2404-001395 C156 C-TA,CHIP 2404-001397 C1120 C-TA,CHIP 2404-001397 C1121 C-TA,CHIP 2703-001242 L101 INDUCTOR-SMD 4-19 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 50 3708-002135 CN1101 CONNECTOR-FPC/FFC/PIC 3709-001263 CN701 CONNECTOR-CARD SLOT 3709-001344 CN601 CONNECTOR-CARD EDGE 3710-002239 CN605 SOCKET-INTERFACE 3711-005229 CN602 HEADER-BOARD TO BOARD 3711-005296 CN502 HEADER-BOARD TO BOARD 4-20 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 51 CN301 CONNECTOR-BATTERY 3711-005793 CN501 HEADER-BOARD TO BOARD 3722-002181 EAR401 JACK-EAR PHONE 4202-001067 ANT1001 ANTENNA-CHIP 4302-001130 BAT701 BATTERY-LI(2ND) 4709-001338 U1003 BALUN GH09-00029A U801 IC MICOM-SGHE610 4-21 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 52: Pcb Diagrams

    5. SGH-i300 PCB Diagrams REC401 REC402 Q601Q602 LED603 ZD402 U901 U1108 DSP_IO OSC801 TR701 U701 Q701 U803 TP705 TP702 T P703 TP701 TP704 Q301 U308 BAT701 GND3 TMS3 ETHERNET_nCS3 TP1127 TDO3 TDI3 TP1125 TP1128 TP1129 TP1124 TRST3 TP1126 TP1123 TCK3...
  • Page 53 SGH-i300 PCB Diagrams LED101 ANT_900 ANT_1900 ZD501 CN501 F301 ZD505 D601 U401 U305 U1004 CN503 OSC101 U105U106 U201 U203 TH629 U102 CN602 U202 TP203 TP204 OSC102 U1110 U1104 U1101 TP1001 ZD1101 TP1002 U1001 CN701 OSC1001 ZD601 U1003 CN301 ZD301 TH615...

  • Page 54: Block Diagrams

    6. SGH-i300 Block Diagrams Phone Phone Memory Memory Headset Headset Voice Band Voice Band LRS1828 LRS1828 MIC,SPK MIC,SPK JTAG CN JTAG CN Audio Audio Connect Connect ROM&RAM ROM&RAM Processor Processor DPRAM DPRAM RF3146 RF3146 Sl4205 Sl4205 Power Amp Power Amp...
  • Page 55 ⓒ This Service Manual is a property of Samsung Electronics Co.,Ltd. Samsung Electronics Co.,Ltd. Any unauthorized use of Manual can be punished under applicable International and/or domestic law. Code No.: GH68-07822A 2005. 11. Rev.1.0...

Table of Contents