Samsung SGH-I740c Service Manual
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Samsung SGH-I740c Service Manual

Samsung SGH-I740c Service Manual

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GSM TELEPHONE
SGH-I740c
GSM TELEPHONE
CONTENTS
11. Reference data

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Summary of Contents for Samsung SGH-I740c

  • Page 1: Table Of Contents

    GSM TELEPHONE SGH-I740c GSM TELEPHONE CONTENTS 1. Safety Precautions 2. Specification 3. Product Function 4. Array course control 5. Exploded View and Parts list 6. MAIN Electrical Parts List 7. Disassembly and Assembly Instructions 8. Block Diagrams 9. PCB Diagrams 10.
  • Page 2 China china.samsungportal.com Asia asia.samsungportal.com Mideast & Africa mea.samsungportal.com 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. 2008. 07. Re v.1.0...

  • Page 3: Specification

    2. Specification 2-1. GSM General Specification GSM850 EG SM 900 DCS1 800 PCS1 900 Phase 1 Phase 2 Phase 1 Fr eq. 824~8 49 880~9 15 1710~1 785 1850~1 910 Band[ MHz] 869~8 94 925~9 60 1805~1 880 1930~1 990 Uplink/Downlin k 0~1 24 &...

  • Page 4: Gsm Tx Power Class

    Specification 2-2. GSM Tx Power Class TX Power TX Power TX Power TX Power control GSM850 control EGSM900 control DCS1800 control PCS1900 level level level level 33±2 dBm 33±2 dBm 30±3 dBm 30±3 dBm 31±2 dBm 31±2 dBm 28±3 dBm 28±3 dBm 29±2 dBm 29±2 dBm...

  • Page 5: Product Function

    - Multimedia Message Service (MMS) / SMS / E-mail - Voice recorder - Speaker Phone - Java MIDP 2.0/ WAP2.0 - GSM/GPRS Class 10 - Quad-band(850/900/1800/1900MHz) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 6: Reference Abbreviate

    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 7: 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 8 ― 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 9: Array Course Control

    4. Array course control 4-1. Software Adjustments TEST JIG BOX (GH80-03308A) RF TEST CAB (GH39-00985A) TEST CAB (GH39-00993A/GH39-00990A) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 10 1. Select the connected serial port and the rate of speed 2. Select the file what you want to download 3. Then, click the start button. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 11 Array course control 4-2-2-2. PDA S/W Downloading ■ Load the binary download program by executing the “Windows Mobile PPC(Fedora,Qingdao2)_v0.1.exe” 1. Select a profile > SGH-i740c(WM6-LV image) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 12 Array course control 2. Click 'Loader' and 'PDA' button for selecting the image to download. 3. Click the 'Detect' button and device power on. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 13: Exploded View And Parts List

    QLC01 QJK01 QLB01 QVO01 QCR12 QCK02 QAR01 QCK01 QMO01 QMP01 QCA01 QAN05 QCR57 QAN01 QSP01 QST01 QAN02 QSD01 QRE01 QIF01 QRF01 QCR68 QCR04 QBA02 QBA00 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 14: Cellular Phone Parts List

    ASSY CASE-REAR GH98-07169A QRF01 TAPE-SHEET RF GH74-37234A QSD01 PMO COVER-SD GH72-46328A QSP01 ASSY ETC-SPEAKER MODULE GH59-05608A QST01 ASSY ACCE-STYLUS PEN GH98-07548A QVO01 ASSY KEY-VOLUME GH98-08320A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 15: Main Electrical Parts List

    DIODE-TVS 0407-001007 D502 DIODE-ARRAY 0504-000168 Q503 TR-DIGITAL 0504-001171 TR901 TR-DIGITAL 0505-001165 Q502 FET-SILICON 0505-001518 Q301 FET-SILICON 0505-001518 Q801 FET-SILICON 0505-001518 Q802 FET-SILICON 0505-001518 Q803 FET-SILICON SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 16 U701 IC-ANALOG SWITCH 1003-002047 U803 IC-MOTOR DRIVER 1003-002102 U204 IC-LEVEL DRIVER 1003-002102 U807 IC-LEVEL DRIVER 1006-001322 U804 IC-LINE TRANSCEIVER 1106-001564 UME401 IC-SRAM 1108-000142 UME301 IC-MCP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 17 THERMISTOR-NTC 1404-001221 TH601 THERMISTOR-NTC 2007-000138 R216 R-CHIP 2007-000138 R224 R-CHIP 2007-000138 R318 R-CHIP 2007-000138 R616 R-CHIP 2007-000138 R617 R-CHIP 2007-000138 R721 R-CHIP 2007-000140 R103 R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 18 R-CHIP 2007-000162 R308 R-CHIP 2007-000162 R319 R-CHIP 2007-000162 R404 R-CHIP 2007-000162 R503 R-CHIP 2007-000162 R504 R-CHIP 2007-000162 R523 R-CHIP 2007-000162 R704 R-CHIP 2007-000162 R911 R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 19 R-CHIP 2007-000171 R712 R-CHIP 2007-000171 R713 R-CHIP 2007-000171 R717 R-CHIP 2007-000171 R718 R-CHIP 2007-000171 R725 R-CHIP 2007-000171 R730 R-CHIP 2007-000171 R901 R-CHIP 2007-000171 R902 R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 20 R-CHIP 2007-007134 R605 R-CHIP 2007-007134 R817 R-CHIP 2007-007137 R501 R-CHIP 2007-007137 R502 R-CHIP 2007-007137 R607 R-CHIP 2007-007137 R610 R-CHIP 2007-007142 R213 R-CHIP 2007-007142 R524 R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 21 C-CER,CHIP 2203-000233 C108 C-CER,CHIP 2203-000233 C110 C-CER,CHIP 2203-000233 C112 C-CER,CHIP 2203-000233 C128 C-CER,CHIP 2203-000233 C135 C-CER,CHIP 2203-000233 C137 C-CER,CHIP 2203-000233 C201 C-CER,CHIP 2203-000233 C216 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 22 C-CER,CHIP 2203-000330 C903 C-CER,CHIP 2203-000330 C905 C-CER,CHIP 2203-000425 C405 C-CER,CHIP 2203-000425 C410 C-CER,CHIP 2203-000438 C203 C-CER,CHIP 2203-000438 C909 C-CER,CHIP 2203-000438 C942 C-CER,CHIP 2203-000489 C240 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 23 C-CER,CHIP 2203-001153 C631 C-CER,CHIP 2203-001221 C134 C-CER,CHIP 2203-001259 C315 C-CER,CHIP 2203-001259 C324 C-CER,CHIP 2203-001259 C325 C-CER,CHIP 2203-001259 C602 C-CER,CHIP 2203-001259 C605 C-CER,CHIP 2203-001259 C614 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 24 2203-005281 C111 C-CER,CHIP 2203-005281 C113 C-CER,CHIP 2203-005444 C248 C-CER,CHIP 2203-005482 C406 C-CER,CHIP 2203-005482 C510 C-CER,CHIP 2203-005482 C519 C-CER,CHIP 2203-006048 C114 C-CER,CHIP 2203-006048 C130 C-CER,CHIP 6-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 25 2203-006048 C822 C-CER,CHIP 2203-006048 C911 C-CER,CHIP 2203-006048 C914 C-CER,CHIP 2203-006048 C918 C-CER,CHIP 2203-006048 C921 C-CER,CHIP 2203-006048 C924 C-CER,CHIP 2203-006048 C927 C-CER,CHIP 2203-006048 C935 C-CER,CHIP 6-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 26 2203-006399 C244 C-CER,CHIP 2203-006399 C245 C-CER,CHIP 2203-006399 C247 C-CER,CHIP 2203-006399 C419 C-CER,CHIP 2203-006399 C420 C-CER,CHIP 2203-006399 C525 C-CER,CHIP 2203-006474 C507 C-CER,CHIP 2203-006474 C508 C-CER,CHIP 6-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 27 2203-006562 C742 C-CER,CHIP 2203-006562 C750 C-CER,CHIP 2203-006562 C814 C-CER,CHIP 2203-006562 C819 C-CER,CHIP 2203-006562 C823 C-CER,CHIP 2203-006562 C824 C-CER,CHIP 2203-006562 C904 C-CER,CHIP 2203-006562 C908 C-CER,CHIP 6-13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 28 2203-006824 C418 C-CER,CHIP 2203-006824 C421 C-CER,CHIP 2203-006824 C423 C-CER,CHIP 2203-006824 C504 C-CER,CHIP 2203-006824 C509 C-CER,CHIP 2203-006824 C511 C-CER,CHIP 2203-006824 C513 C-CER,CHIP 2203-006824 C516 C-CER,CHIP 6-14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 29 2404-001377 TA301 C-TA,CHIP 2404-001381 TA401 C-TA,CHIP 2404-001381 TA602 C-TA,CHIP 2404-001381 TA603 C-TA,CHIP 2404-001381 TA605 C-TA,CHIP 2404-001381 TA607 C-TA,CHIP 2404-001381 TA701 C-TA,CHIP 2404-001381 TA801 C-TA,CHIP 6-15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 30 2703-003240 L503 INDUCTOR-SMD 2703-003240 L504 INDUCTOR-SMD 2703-003363 L705 INDUCTOR-SMD 2801-004189 OSC901 CRYSTAL-SMD 2801-004466 OSC202 CRYSTAL-SMD 2801-004466 OSC401 CRYSTAL-SMD 2801-004466 OSC902 CRYSTAL-SMD 2804-001725 OSC601 OSCILLATOR-CLOCK 6-16 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 31 HEADER-BOARD TO BOARD 4302-001181 BAT401 BATTERY-LI(2ND) 4709-001549 MOD201 BLUETOOTH MODULE GH71-06721A ANT101 NPR-ANT CONTACT GH71-06721A ANT102 NPR-ANT CONTACT GH71-06721A ANT201 NPR-ANT CONTACT GH71-06721A ANT202 NPR-ANT CONTACT 6-17 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 32 2007-008516 R103 R-CHIP 2007-008516 R104 R-CHIP 2007-008516 R105 R-CHIP 2007-008516 R106 R-CHIP 2007-008516 R113 R-CHIP 2007-008544 R116 R-CHIP 2007-008544 R117 R-CHIP 2007-009108 R102 R-CHIP 6-18 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 33 3722-002433 CON101 JACK-DC POWER 4202-001254 ANT101 ANTENNA-CHIP Please consult the GSPN website (Samsung Portal) for the most recent version of the product's part list. 6-19 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 34: Disassembly And Assembly Instructions

    Unlock the left side of rear by raising it. Pull the left side of rear to the outside. (Refer to the picture.) (Refer to the picture.) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 35 Unlock the right side of rear by raising it. (Refer to the picture.) the picture.) The front ass'y and rear disassembled. Open the lcd connector. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 36 Disassemble the PBA from the front by detaching the (Be careful a damage of the lcd connector.) adhesive tape located between lcd and bracket. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 37 Push the top of the tsp window to inside of the front. Detach the tsp window from the front. (Refer to the picture.) (Refer to the picture.) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 38 (Refer to the picture.) The front and tsp window disassembled. Detach the tsp window from the lcd. Unlock the tsp connector. (Refer to the picture.) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 39 The lcd and tsp window disassembled. Loose a screw of the intenna, and disassemble 솓 Detach the receiver cover and unlock the key intenna from the PBA. connector. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 40 2. Detach the flash from speaker module. Loose two screws of the speaker module. 3. Take out the camera module from the hole of PBA. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 41 Detach the tsp window from the lcd. (Refer to the picture.) The lcd and tsp window disassembled. Loose a screw of the intenna, and disassemble 솓 intenna from the PBA. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 42 Lock the speaker module to the PBA. Screw two points of the speaker module to the PBA. Solder the motor and receiver. ① : 6001-001530 (1.2 ~ 1.4 Kgf·cm) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 43 Assemble three side keys with being careful the Push the receiver into the bracket and attach the its directions, and then lock the key connector. cover on it. 7-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 44 Assemble the front ass'y and pba ass'y, and then Assemble the keypad. lock the lcd connector. 7-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 45 Assemble the rear and front from top to bottom. ② : 6001-001399 (1.4 ± 0.1 Kgf/ ㎠ ) Be careful the damage of mic rubber. Push the stylus pen. 7-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 46: Block Diagrams

    JTAG_VBUS / RXD / TXD / D+ / D- / IF_CON_SENSE CODEC_OUT_L SPK_N MAIN_MIC_P CODEC DC/DC MIC+ (LM3671) +VDD_IO_LOW EAR_MIC_P SPK_L RCV_P SPK_R RCV_N nJACK_INT (TO CPU) switch SPK_SW EAROUT_L EARCOM EAROUT_R VBAT VCC_3.0V SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 47: Pcb Diagrams

    C120 C122 TP309 U102 C113 TP306 C111 C136 R312 C323 R302 C303 Q301 C109 C314 C302 TP307 TP308 TP314 TCX101 C106 L101 C107 TP301 C130 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 48 R519 ZD502 R520 R521 BTC501 R523 R522 TP_PTDI TP_PGN D TP_PTM S TP_PTRST_N TP_PTD O TP_RSTON TP_TDI_PHONE TP_RTCK_PHONE TP_GND TP_+VDD_IO_LOW TP_TDO_PHONE TP_TCK_PHONE RFS101 C100 C105 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 49: Chart Of Troubleshooting

    2 = 1.8V, pin 35 = 3.0V Check the U501 with neighboring circuit pin 15 = 1.8V, pin 27 = 1.4V Check Other Power Circuit 10-22 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 50 Flow Chart of Troubleshooting 10-2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 51 Flow Chart of Troubleshooting 10-3 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 52 Flow Chart of Troubleshooting 10-4 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 53 C328(+VDD_GSM_CORE) Check the +VDD_GSM_CORE circuit = 1.8V? Check for the clock at R608 Check the clock generation circuit = 4.096MHz Check the initial operation 10-5 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 54 Flow Chart of Troubleshooting 10-6 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 55 Flow Chart of Troubleshooting 10-7 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 56 TP_RSTON at UCP301 = "H"? Check the circuit related to reset UCP301 change UCP301 TP304(RSTEXTn) ="H"? Check the 16bit data signal & memory CE 10-8 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 57 Flow Chart of Troubleshooting 10-9 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 58 Flow Chart of Troubleshooting 10-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 59: Charging Part

    Check U502 pin 5 Check the circuit related to TA_nCHG signal = 'L' ? Check the U502 pin 9 Resolder or replace U502 ≒ 4.2V 10-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 60 Flow Chart of Troubleshooting 10-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 61 Flow Chart of Troubleshooting 10-13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 62: Sim Part

    Check the SIM Clock pin15 at CD501 After SIM card insert, CD501 pin 13 Resolder CD501 or replace PBA = "H(SIM_RST)"? Check the SIM Card 10-14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 63 Flow Chart of Troubleshooting 10-15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 64 Flow Chart of Troubleshooting 10-16 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 65: Microphone Part

    U602 to MIC Check the SWITCH Check the signal ( U604 ) from MAIN_MIC_P to MIC+ Replace the MIC Check the MIC 10-17 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 66 Flow Chart of Troubleshooting 10-18 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 67 Flow Chart of Troubleshooting 10-19 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 68 Resolder U602 related U602 Does it work correctly? Check pin 35,36 at Resolder U602 U602 Is there signal? Change the Speaker Is Speaker working? 10-20 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 69 Flow Chart of Troubleshooting 10-21 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 70 Flow Chart of Troubleshooting 10-22 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 71: Key Data Input

    Check the Dome sheet & Key Pad pushed, is it displayed on LCD? When one of the keys is Replace the PBA pushed, KBIO signal is OK? 10-23 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 72: Receiver Part

    Resolder or replace U603 Does it Work? Check the soldering of the Modify the receiver wire soldering Receiver wire Replace the Receiver Is Receiver working? 10-24 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 73 Flow Chart of Troubleshooting 10-25 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 74 Flow Chart of Troubleshooting 10-26 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 75 Check the U707 or replace U707 HDC801 pin 16,18,20 = 3.8V? HDC801 pin 30(CS), 24 Check the UCP901 (Clcok), 22(RST) is OK? Replace the LCD Module 10-27 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 76 Flow Chart of Troubleshooting 10-28 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 77 Flow Chart of Troubleshooting 10-29 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 78: Key Back Light

    10-10. Key Back Light Main Key LED does not work Check the HDC803 related to HDC803 pin 18 = "3.3V"? power sources Change Key pad 10-30 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 79 Flow Chart of Troubleshooting 10-31 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 80 Flow Chart of Troubleshooting 10-32 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 81: Camera Part

    CAM_PCLK Check UCP901, HDC802 Working? Check pin 14, 16, 22, 24 Check UCP901, HDC802 Working properly? Is there another problem? Replace the camera module 10-33 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 82 Flow Chart of Troubleshooting 10-34 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 83 Flow Chart of Troubleshooting 10-35 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 84 27 >= -70dBm UPL101 pin 4,5,6,7 Check all voltage Check & Resolder >= 1V sources of UPL101 RF PSU Part >=2.8V Resolder UPL101 Check UME301 10-36 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 85 Flow Chart of Troubleshooting 10-37 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 86 UPL101 pin 4,5,6,7 Check all voltage Check & Resolder >= 1V sources of UPL101 RF PSU Part >=2.8V Resolder UPL101 Check UME301 10-38 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 87 Flow Chart of Troubleshooting 10-39 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 88 4 >= -70dBm Check all voltage Check & Resolder UPL101 pin 4,5,6,7 sources of UPL101 RF PSU Part >= 1V >=2.8V Resolder UPL101 Check UME301 10-40 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 89 Flow Chart of Troubleshooting 10-41 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 90 UPL101 pin 4,5,6,7 Check all voltage Check & Resolder >= 1V sources of UPL101 RF PSU Part >=2.8V Resolder UPL101 Check UME301 10-42 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 91 Flow Chart of Troubleshooting 10-43 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 92 23 >= -70dBm UPL101 pin 4,5,6,7 Check all voltage Check & Resolder >= 1V sources of UPL101 RF PSU Part >=2.8V Resolder UPL101 Check UME301 10-44 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 93 Flow Chart of Troubleshooting 10-45 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 94 UPL101 pin 4,5,6,7 Check all voltage Check & Resolder >= 1V sources of UPL101 RF PSU Part >=2.8V Resolder UPL101 Check UME301 10-46 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 95 Flow Chart of Troubleshooting 10-47 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 96 8 >= -70dBm Check all voltage Check & Resolder UPL101 pin 4,5,6,7 sources of UPL101 RF PSU Part >= 1V >=2.8V Resolder UPL101 Check UME301 10-48 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 97 Flow Chart of Troubleshooting 10-49 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 98 UPL101 pin 4,5,6,7 Check all voltage Check & Resolder >= 1V sources of UPL101 RF PSU Part >=2.8V Resolder UPL101 Check UME301 10-50 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 99 Flow Chart of Troubleshooting 10-51 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 100 (Battery Voltage) Check from C214 to S20 Pin 1 Replace C214, L704 Is it OK? Check the C618,619. Replace the MOD203 Is there signal? 10-52 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 101 Flow Chart of Troubleshooting 10-53 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 102 Flow Chart of Troubleshooting 10-54 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 103 MOD201 Pin 3,23,26=3V" Check the U708 Check the TP 201~204. Check the MIC Is there signal ? Replace the Ant203 Check the Ant 203 10-55 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 104 Flow Chart of Troubleshooting 10-56 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 105 Flow Chart of Troubleshooting 10-57 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 106 Flow Chart of Troubleshooting 10-58 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 107 Flow Chart of Troubleshooting 10-59 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

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