Samsung SGH-i320 Service Manual
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Samsung SGH-i320 Service Manual

Samsung SGH-i320 Service Manual

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GSM TELEPHONE
SGH-i320
GSM TELEPHONE
CONTENTS
1. Safety Precautions
2. Specification
3. Product Function
4. Array course control
5. Exploded View and Parts list
6. Disassembly and Assembly
instructions
7. MAIN Electrical Parts List
8. Block Diagrams
9. PCB Diagrams
10. Flow Chart of Troubleshooting
11. Reference data

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Summary of Contents for Samsung SGH-i320

  • Page 1 GSM TELEPHONE SGH-i320 GSM TELEPHONE CONTENTS 1. Safety Precautions 2. Specification 3. Product Function 4. Array course control 5. Exploded View and Parts list 6. Disassembly and Assembly instructions 7. MAIN Electrical Parts List 8. Block Diagrams 9. PCB Diagrams 10.

  • Page 2: Table Of Contents

    Contents 1. Safety Precautions 1-1. Repair Precaution ................1-1 1-2. ESD(Electrostatically Sensitive Devices) Precaution ......1-2 2. Specification 2-1. GSM General Specification ..............2-1 2-2. GSM TX power Level ..............2-2 3. Product Function 4. Array course control 4-1. Downloading Binary Files .............4-2 4-2. Pre-requsite for Downloading ............4-2 4-3.
  • Page 3 Contents 10. Flow Chart of Troubleshooting 10-1. Baseband ................10-1 10-1-1. Power ON ...............10-1 10-1-2. Initial ................10-4 10-1-3. SIM Part ................10-6 10-1-4. Microphone Part ..............10-7 10-1-5. Speaker Part_1(MP3, SPEAKER PHONE) ......10-8 10-1-6. Speaker Part_2(RECEIVER) ..........10-10 10-1-7. Charging Part ..............10-11 10-2. RF ..................10-13 10-2-1.

  • Page 4: Safety Precautions

    ● Don't use as you pleases after change other material than replacement registered on SEC System. Otherwise engineer in charge isn't charged with problem that you don't keep this rules. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 5: Esd(Electrostatically Sensitive Devices) Precaution

    ● You must maintain electric contact between ESD and place due to be set up until ESD is connected completely to the proper place or a circuit board. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 6: Specification

    Sen si ti vit y -102 dBm -100 dBm -100 d Bm TDM A M ux C ell Rad iu s 3 5 K m 2 Km SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 7: Gsm Tx Power Class

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

  • Page 8: Product Function

    -Image editor -MP3 player -Phonebook -Name card -Multimedia Message Service (MMS) -E-mail -Voice recorder -Bluetooth -Get personal with photo caller ID -Web browser -Java -Calendar SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 9: Array Course Control

    4. Array course control Test Jig (GH80-03311A) Test Cable (GH39-00582A) RF Test Cable (GH39-00397A) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 10: Downloading Binary Files

    • binary file for downloading I320. – I320XXYY.s3 : Main source code binary. 4-2. Pre-requsite for Downloading • Downloader Program(OptiFlash.exe) • I320 Mobile Phone • Data Cable • Binary file SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 11: S/W Downloader Program

    2. Select the “Options” -> “Settings” -> “Generic” -> “Specify hardware platform”. Choose hardware platform for the downloader file setting. Set the everything else as the default values which are shown below SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 12 However, OptiFlash will use a slower speed if either the PC’s or the phone’s serial hardware is incapable of handling the selected speed SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 13 Make sure that not to change the reserved memory regions. In case of I320 the reserved regions are -0x20000000 – 0x2000ffff -0x21fe0000– 0x21ffffff 5. Click “OK” button then press “Flash”. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 14 7. After finishing downloading, Certain memory resets should be done to guarantee the normal performance. 8. Confirm the downloaded version name and etc. : *#1234# Full Reset : *2767*2878# SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 15: Exploded View And Parts List

    QVO01 QKP02 QLC01 QKP01 QME01 QSH01 QCR12 QMI01 QMO01 QMI03 QCR32 QCA01 QAR01 QAN10 QMP01 QBR05 QSP02 QCR04 QAN02 QRE01 QRF01 QCR12 QCR04 QBA01 QBA00 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 16: Cellular Phone Parts List

    GH75-08946A QME01 　 UNIT-KEY FPCB GH59-02846A 　 QMI01 AS-MIC GH81-04513A QFR01 　 MEC-COVER FRONT GH75-08941A 　 QIF01 PMO-COVER IF GH72-28148A 　 QRF03 PMO-COVER EAR GH72-28147A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 17 MPR-VINYL BOHO MAIN WINDOW B GH74-22789A MPR-VINYL BOHO KEYPAD GH74-22790A MPR-SHEET MIC FPCB GH74-23937A MPR-TAPE IF COVER GH74-23939A MPR-VINYL BOHO MAIN WINDOW GH74-23940A MPR-VINYL BOHO BATT COVER GH74-24694A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 18: Disassembly And Assembly Instructions

    Press the motor slightly to stick the frame. Press the motor slightly to stick the motor firmly. motor firmly. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 19 1) Take off the KEY FPCB with care not to motor and the frame to the direction that the damage KEY FPCB. red arrow directs. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 20 Disassembly and Assembly instructions 1) Remove two screws in the red circles and take out the antenna with care not to damage the hook.. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 21: Assembly

    Press the motor slightly to stick the bottom right corner of the LCD to the red motor firmly. guide line in the blue circle. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 22 Then put the a pair of tweezers. speaker connector on the connector on the PBA. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 23 After locking two hooks, press the rear cover the rear cover. slightly to assemble two covers. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 24 1) Press the rear cover part around the red 1) Screw four positions in the red circles. circle area slightly to lock the rightt hook on the rear cover. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 25: Main Electrical Parts List

    C120 C-CER,CHIP 2203-006423 C121 C-CER,CHIP 2203-006423 C122 C-CER,CHIP 2203-006423 C123 C-CER,CHIP 2203-006423 C124 C-CER,CHIP 2203-006423 C125 C-CER,CHIP 2203-006423 C126 C-CER,CHIP 2203-006423 C127 C-CER,CHIP 7- 1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 26 C202 C-CER,CHIP 2203-006121 C203 C-CER,CHIP 2203-006423 C204 C-CER,CHIP 2203-006423 C205 C-CER,CHIP 2203-006423 C206 C-CER,CHIP 2203-006423 C209 C-CER,CHIP 2203-006423 C210 C-CER,CHIP 2203-006423 C211 C-CER,CHIP 7- 2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 27 C411 C-CER,CHIP 2203-006121 C413 C-CER,CHIP 2203-006423 C414 C-CER,CHIP 2203-006562 C415 C-CER,CHIP 2203-005659 C416 C-CER,CHIP 2203-000995 C417 C-CER,CHIP 2203-006562 C418 C-CER,CHIP 2203-006626 C419 C-CER,CHIP 7- 3 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 28 C506 C-CER,CHIP 2203-000233 C507 C-CER,CHIP 2203-000812 C508 C-CER,CHIP 2203-000812 C509 C-CER,CHIP 2203-005682 C510 C-CER,CHIP 2203-005682 C511 C-CER,CHIP 2203-005736 C512 C-CER,CHIP 2203-005806 C513 C-CER,CHIP 7- 4 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 29 C706 C-CER,CHIP 2203-006825 C707 C-CER,CHIP 2203-006324 C709 C-CER,CHIP 2203-006825 C710 C-CER,CHIP 2203-006562 C712 C-CER,CHIP 2203-006562 C713 C-CER,CHIP 2203-006562 C714 C-CER,CHIP 2203-006562 C716 C-CER,CHIP 7- 5 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 30 C823 C-CER,CHIP 2203-006048 C903 C-CER,CHIP 2203-000438 C904 C-CER,CHIP 2203-000254 C905 C-CER,CHIP 2203-000254 C907 C-CER,CHIP 2203-000254 C908 C-CER,CHIP 2203-006048 C910 C-CER,CHIP 2203-000278 C911 C-CER,CHIP 7- 6 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 31 3709-001344 CD601 CONNECTOR-CARD EDGE 4709-001415 CPL1001 BALUN 0407-000115 D601 DIODE-ARRAY 0401-001110 D602 DIODE-SWITCHING 0401-001110 D603 DIODE-SWITCHING 3722-002010 EAR401 JACK-EAR PHONE 3301-001342 F301 BEAD-SMD 7- 7 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 32 IC-POWER AMP 2007-008542 R1006 R-CHIP 2007-008542 R1008 R-CHIP 2007-008542 R1009 R-CHIP 2007-001290 R101 R-CHIP 2007-000171 R1014 R-CHIP 2007-000171 R102 R-CHIP 2007-001290 R103 R-CHIP 7- 8 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 33 R141 R-CHIP 2007-008516 R145 R-CHIP 2007-000171 R146 R-CHIP 2007-000171 R149 R-CHIP 2007-008055 R202 R-CHIP 2007-000171 R204 R-CHIP 2007-000171 R205 R-CHIP 2007-000171 R206 R-CHIP 7- 9 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 34 R419 R-CHIP 2007-008516 R424 R-CHIP 2007-008542 R425 R-CHIP 2007-007001 R426 R-CHIP 2007-007528 R427 R-CHIP 2007-000139 R429 R-CHIP 2007-000139 R430 R-CHIP 2007-007528 R431 R-CHIP 7- 10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 35 R619 R-CHIP 2007-008419 R621 R-CHIP 2007-008419 R622 R-CHIP 2007-008419 R623 R-CHIP 2007-008419 R624 R-CHIP 2007-008531 R629 R-CHIP 2007-000148 R701 R-CHIP 2007-008516 R702 R-CHIP 7- 11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 36 R917 R-CHIP 2007-001290 R918 R-CHIP 2007-003006 R919 R-CHIP 2007-000139 R920 R-CHIP 2007-000139 R921 R-CHIP 2007-003006 R922 R-CHIP 2007-007307 R923 R-CHIP 2007-003006 R924 R-CHIP 7- 12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 37 TA316 C-TA,CHIP 2404-001381 TA317 C-TA,CHIP 2404-001381 TA401 C-TA,CHIP 2404-001381 TA402 C-TA,CHIP 2404-001381 TA403 C-TA,CHIP 2404-001406 TA404 C-TA,CHIP 2404-001381 TA405 C-TA,CHIP 2404-001381 TA406 C-TA,CHIP 7- 13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 38 1203-002999 U310 IC-VOL. DETECTOR 1201-002241 U401 IC-AUDIO AMP 1203-001720 U402 IC-POSI.FIXED REG. 1209-001658 U403 IC-SENSOR 1001-001152 U407 IC-ANALOG MULTIPLEX 1001-001152 U408 IC-ANALOG MULTIPLEX 7- 14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 39 ZD604 DIODE-TVS 0406-001167 ZD605 DIODE-TVS 0406-001210 ZD606 DIODE-TVS 0406-001104 ZD608 DIODE-TVS 0406-001201 ZD609 DIODE-TVS 0406-001201 ZD610 DIODE-TVS 0406-001201 ZD611 DIODE-TVS 0406-001201 ZD612 DIODE-TVS 7- 15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 40 Main Electrical Parts List SEC CODE Design LOC Discription STATUS 0406-001201 ZD613 DIODE-TVS 0406-001201 ZD614 DIODE-TVS 0406-001201 ZD615 DIODE-TVS 0406-001201 ZD616 DIODE-TVS 7- 16 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 41: Block Diagrams

    8. Block Diagrams SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 42 Block Diagrams SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 43 Block Diagrams SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 44 Block Diagrams SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 45 Block Diagrams SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 46 Block Diagrams SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 47 Block Diagrams SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 48: Pcb Diagrams

    TA704 HP_TMS HP_TCK BTC301 OSC102 U605 BAT701 TA301 TP208 VR603 TA407 VR605 VR606 VR607 U1002 VR608 D603 TR101 U606 D602 VR610 TP1002 TP1005 TP1003 TP1004 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 49 TA306 TA307 TA305 TA308 SIM701 U310 TR301 TA316 TP206 F_WE3 GND3 TP204 TP202TP203 U604 TA603 TA604 ZD604 HDC601 ZD605 VR602 VR601 TP1001 U1001 CPL1001 ANT1001 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 50: Flow Chart Of Troubleshooting

    Pin 3 of U302 is high? Voltage of Pin 5 of U302 If not, solder U302 again > 3V or replace. Check the initial operation 10-1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 51 C312 C307 TA311 R303 VBAT 1.35V CORE12 R304 U307 TA312 PWR_EN PLLLPF R305 S/MODE C308 L303 TA313 TA314 R315 R306 TR302 R307 VCORE_EN C309 10-2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 52 Flow Chart of Troubleshooting and Circuit Diagrams 3.0V VBAT VCC_CPU U302 SYS_EN REF_BYP TA303 TA304 C302 Layout for Power on 10-3 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 53: System Initial

    If not, solder U305 again =1.8V or replace. LCD Display OK ? Check the LCD part Sound operation OK ? Check the Audio part 10-4 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 54 Flow Chart of Troubleshooting and Circuit Diagrams 10-5 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 55: Sim Part

    Check the voltage Check the UCD701 at SIM701 pin #1 ≒ 2.8 Check the SIM Card ** Check SIM's signal when you see SIM checking display 10-6 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 56 C731 C732 C733 C705 C706 C709 VDD34 VDD12 UP_CLK SIMCLK UP_RST SIMRST UP_IO SIMDATA SIM_IO SIM_RST SIM_CLK VSIM VRTC - Layout for SIM connection 10-7 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 57: Charging Part

    Check the voltage of pin 23,24 Replace TC of IFC601 = 4.2V Check the voltage of BTC301 Check the path from BTC301 = 4.2V Charging 10-8 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 58 R612 PDA_TDO R613 PDA_TDI R614 PDA_TCK R616 PDA_TMS D603 VBUS R609 USB_D+ R610 USB_D- D602 VBAT VBAT CHARGE_DET ZD608 VBAT BTC301 PWR_GND ZD301 TA309 10-9 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 59 Flow Chart of Troubleshooting and Circuit Diagrams - Layout for charging 10-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 60 Check the Check U408 or Resolder Pin 1 of U408 is Low Check the Pin 29,23 of UCD401= Check UCD401 or Resolder some signal on 10-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 61 11 12 13 14 BAT33 C453 C454 BAT33 R435 R436 NC_GND ZD402 SEND_END R437 JACK_S R439 C456 TR402 R440 - Layout for Speaker Part 10-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 62 U401 Pin 4,6,16,18 Check U401 or Resolder during window media playing Check the speaker Replace the speaker = out of order or not 10-13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 63 MSPKRN VOML VOMR C438 C439 C440 TA406 C442 C443 C444 C445 HDC502 MSPKLP MSPKRN MSPKLN MSPKRP FLASH_LED+ FLASH_LED- C510 C511 13 13 16 16 10-14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 64 Flow Chart of Troubleshooting and Circuit Diagrams - Layout for Speaker Part 10-15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 65: Receiver Part

    Check U409 or Resolder some signal on Check the R434,R438 = Resoldering R434,R438 some signal on Check the Receiver = Out of order or Replace the Receiver 10-16 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 66 EAR RCV EAR MP3 EAR_RCVP MIC_WM_OUTP OUT3 SPKVDD MAIN MP3 LOUD_SPKL AUDIO30 C402 U409 RCVP COM2 RCVN EAR_RCVP COM1 EAR_RCVN JACK_S JACK_S EAR_SPKR EAR_SPKL 10-17 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 67 Flow Chart of Troubleshooting and Circuit Diagrams TP401 R434 RCVN C455 ZD401 TP402 R438 RCVP C457 ZD404 - Layout for Receiver Part 10-18 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 68 Ear401 connection = Out of Resoldering Ear401 order or not Check the Ear mic Use other Ear mic = Out of order or not 10-19 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 69 Check the R110, R111 pin 23,24 : 3V Examine the HDC 503 Check the UCP100 to find any soldering defect. Replace a Camera module & END 10-20 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 70 MA(17) MA17 MA(18) MA18 MA(19) MA19 R110 R111 MA(20) MA20 MA(21) MA21 MA(22) MA22 MA(23) MA23 MA(24) MA24 MA(25) MA25 SCL_GPIO117 CAM_SCLK SDA_GPIO118 CAM_SDA 10-21 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 71 Flow Chart of Troubleshooting and Circuit Diagrams - Layout for CAMERA 10-22 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 72: Egsm Receiver

    U903 check UCD701 pin B10, C736 pin 1,8,31,36,41 Check or resolder clean 2.8V U903 check pin 25,26,27,28 U903 check or resolder Vp-p:100mV Check UCD701 10-23 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 73: Egsm Transmitter

    TCX901 32,33 Pin4:3V? =3V? UCD701 pin A13,C735 UCD701 U903 change U903 change change or change or resolder or resolder resolder or resolder 10-24 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 74: Dcs Receiver

    UCD701 pin B10, C736 pin 1,8,31,36,41 Check or resolder clean 2.8V U903 check pin 25,26,27,28 U903 check or resolder Vp-p : 100mV Check UCD701 10-25 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 75: Pcs Receiver

    UCD701 pin B10, C736 pin 1,8,31,36,41 Check or resolder clean 2.8V U903 check pin 25,26,27,28 U903 check or resolder Vp-p : 100mV Check UCD701 10-26 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 76 TCX901 pin 32,33 Pin4:3V? =3V? U903 change UCD701 pin or resolder A13,C735 change or UCD701 U903 change resolder change or resolder or resolder 10-27 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 77 Flow Chart of Troubleshooting and Circuit Diagrams **If you check the tx chain, Check the not only RF Device but also resistor, inductor and capacitor. -schematic for RF part 10-28 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 78 Flow Chart of Troubleshooting and Circuit Diagrams -Layout for RF part 10-29 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 79 Pin #5 = 3V? Check OSC1002 Resolder OSC1002 Pin #3 has 13MHz signal? Check CPL1001's Pin #3 output > -6dBm Change CPL1001 The End 10-30 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 80 CPL1001 R1014 BAL 5 UNBAL RFIO_LDO_OUT 3.0V VBAT OSC1002 U1002 C1027 XTALINP R1005 BT_PWREN R1006 C1034 SYS_EN TA1001 C1028 C1031 C1036 XTALINM TA1002 C1038 10-31 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 81: Reference Data

    PS : Pilot Symbol QPSK: Quadrature Phase Shift Keying RS : Reed-Solomon SI : Service Information TDM : Time Division Multiplexing TS : Transport Stream 11-1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 82 ⓒ 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.: GH68-10798A 2006. 05. Rev.1.0...

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