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Samsung i780 Service Manual

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GSM TELEPHONE
GSM TELEPHONE
SGH-i780
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CONTENTS

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  • Page 1: Table Of Contents

    GSM TELEPHONE SGH-i780 GSM TELEPHONE CONTENTS Safety Precautions Specification Product Function Array course control Exploded View and Parts List Main Electrical Parts List Block Diagrams PCB Diagrams Flow Chart of Troubleshooting 10. Reference data 11. Disassembly and Assembly Instructions...
  • 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. 01. Rev.1.0...

  • Page 3: 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 4 ― 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 5: Specification

    -10 0dBm - 1 06.7d Bm T D M A M u x C ell Rad ius 3 5K m 2 K m 2K m SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 6: Gsm Tx Power Class

    8±4 dBm 8±4 dBm 9±3 dBm 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 7: Product Function

    ― T9 ― File Manager, My Item ― Java ― Pod Casting, RSS Reader ― Games (Solitarie, Bubble breaker) ― MTV ― Postcard ― Google Map SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 8 Product Function SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 9: Array Course Control

    [First set] 1. JIG BOX (UMTS TEST JIG: GH80-03308A) 2. USB Cable : JIG to PC 3. Test Cable : JIG to SGH-i780 (GH39-00890A) 4. Power Cable : JIG to power supply 5. Serial Cable : SGH-i780 to PC 6. Power Supply 7.

  • Page 10: Software Download

    ActiveSync program. - Phone When you download the phone image, you need the driver of Samsung CDMA Modem. If you want to download the phone image, install the Samsung CDMA Modem driver. After you install the driver of Samsung CDMA Modem, please restart a host computer.
  • Page 11 3. Connect your device to a host computer by using USB DATA Link Cable. 4. Turn on your device and wait. 5. Downloading is started automatically. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 12: Trouble Shooting

    Array course control 6. When the download is finished, the phone is turned off automatically. [ Job Done ] Trouble Shooting 1. “PDA Device not found” message SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 13 Make sure that your device is connected a host computer by USB DATA Link cable. 2. “Port Open Failed” message or application hang After you install “phone USB driver (Samsung CDMA Modem)” at first time, you may see “Port open failed…” message or application hang while downloading a phone image. If so, terminate the application and then try the download again.
  • Page 14 If you always see “port open failed” message or application hang, 1. When application is activated, go to the device manager, remove the SAMSUNG CDMA Modem and SAMSUNG USB Composite Device. 2. Rename C:\WINDOWS\system32\drivers\Modem.sys to other name. (ex. Modem-.sys) 3. Go to control panel->program add/remove, and then remove Samsung CDMA Modem driver or Samsung USB driver(MCCI) 4.

  • Page 15: Device Settings

    2. Data Cable: Check the serial number first. The number should start with ‘D.’ 1) Connect the hub to the cable. 2) Connect testing devices to the cable SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 16 8 devices. Initially, the download to 8 devices will be failed. However, you will see that there are 8 SAMSUNG CDMA modems under "Mthe modem" of in the "Device Manager". (It may take a while to confirm that the modems appear under the "Mmodem"category. If they appearappeared, they are installed successfully.)
  • Page 17 ‘Continue’ and check the Device Manager to see a ‘SGH-i780.’ Within 30 seconds, it will change to ‘Samsung MITs USB Sync.’ Then, separate the battery and reboot the device to see that the connection has been made. not connected è...
  • Page 18 If several phones do not appear,, repeat the same process until all devices are connected and appear. 4-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 19: How To Download

    3. How to Download 1. Disconnecting the ActiveSync Run the ActiveSync. Then, select the Connection Settings under the ‘File’ tab. Deselect the ‘ Allow USB Coneection.’ 4-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 20 ‘Waiting to start…’ Buttons will be activated when the ‘MIRAGE LV Image’ is selected at in the ‘Select a platform’ menupane. 4-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 21 The connection is complete if the ‘Device 1 Detected’ appears in the box on the bottom left sideat the left bottom and the PDA1 at on the right side turns green. 4-13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 22 NOTE1: Make sure the progress, shown in by the bar, is completed for eachin a testing device. (The progress of downloading the ‘Flash.bin,’ the PDA image, is shown as the green bar at the bottom of the LCD screen.) 4-14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 23 Normally, the progress bar goes to the ‘o’ button only. (If the version of the image is previous than to GJ4, the error may occur.) 6) Confirming Reboot testing devices to confirm whether they work properly. 4-15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 24 Click the ‘reset all’ button at on the bottom right sidethe right bottomto reset the downloader. NOTE: If the download failsis failed,, try once again to downloadsucceed. 4-16 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 25 (ActiveSync) 2. “Port Open Failed” message or application hang After you install “phone USB driver (Samsung CDMA Modem)” at first time, you may see “Port open failed…” message or application hang( Opening COM XX succeed...) while downloading a 4-17...
  • Page 26 Opening COM XX succeed...). If so, terminate the application and then try the download again. 3. “Write Failed” message If battery level is low, use charged battery and try again. 4-18 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 27: Exploded View And Parts List

    QCB01 QMP01 QVK01 QAN02 QSH01 QSH02 QCA01 QSP01 QBR04 QMO01 QCR06 QIF01 QST01 QCK02 QSD01 QCK01 QRE01 QVO01 QCR06 QCR08 QCR08 QSC01 QBA01 QRF01 QBA00 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 28: Cellular Phone Parts List

    ICT SHIELD-COVER A GH70-02883A QSH02 ICT SHIELD-COVER B GH70-02884A QSP01 MICRO SPEAKER 3001-002311 QST01 ASSY ACCE-STYLUS PEN(BLK) GH98-07299A QVK01 KEY FPCB-F.P.C(V/K)ASSY GH59-04905A QVO01 PMO KEY-VOL GH72-43403A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 29 LABEL(R)-PALLET FTM GH68-16969B RMO RUBBER-ANT C CLIP GH73-11105A SPONGE-SPK BRACKET GH74-35963A LABEL(R)-WATER SOAK GH68-09361A VINYL-BOHO MAIN LCD GH74-35170A VINYL-BOHO MAIN CASE GH74-35171A EARPHONE-EARPHONE,BLK,S20P,A T GH59-05409A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 30: Main Electrical Parts List

    IC-CMOS LOGIC 0801-002800 U518 IC-CMOS LOGIC 0801-002882 U305 IC-CMOS LOGIC 0801-003013 U200 IC-CMOS LOGIC 0801-003013 U601 IC-CMOS LOGIC 0801-003013 U602 IC-CMOS LOGIC 0801-003052 U204 IC-CMOS LOGIC SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 31 R-CHIP 2007-000140 R520 R-CHIP 2007-000141 R113 R-CHIP 2007-000141 R206 R-CHIP 2007-000148 R703 R-CHIP 2007-000148 R706 R-CHIP 2007-000148 R712 R-CHIP 2007-000157 R302 R-CHIP 2007-000162 R139 R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 32 R-CHIP 2007-001305 R118 R-CHIP 2007-001308 R124 R-CHIP 2007-001319 R709 R-CHIP 2007-001319 R710 R-CHIP 2007-003010 R506 R-CHIP 2007-003010 R510 R-CHIP 2007-003010 R511 R-CHIP 2007-003015 R102 R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 33 R-CHIP 2007-007318 R608 R-CHIP 2007-007405 R308 R-CHIP 2007-007468 R310 R-CHIP 2007-007468 R409 R-CHIP 2007-007491 R120 R-CHIP 2007-007528 R414 R-CHIP 2007-007528 R419 R-CHIP 2007-007589 R326 R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 34 C-CER,CHIP 2203-000254 C704 C-CER,CHIP 2203-000254 C710 C-CER,CHIP 2203-000254 C714 C-CER,CHIP 2203-000254 C719 C-CER,CHIP 2203-000254 C736 C-CER,CHIP 2203-000311 C611 C-CER,CHIP 2203-000311 C612 C-CER,CHIP 2203-000311 C614 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 35 C-CER,CHIP 2203-000812 C346 C-CER,CHIP 2203-000812 C400 C-CER,CHIP 2203-000812 C403 C-CER,CHIP 2203-000812 C405 C-CER,CHIP 2203-000812 C416 C-CER,CHIP 2203-000812 C422 C-CER,CHIP 2203-000812 C505 C-CER,CHIP 2203-000812 C506 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 36 C-CER,CHIP 2203-002709 C325 C-CER,CHIP 2203-002709 C326 C-CER,CHIP 2203-002709 C327 C-CER,CHIP 2203-002709 C328 C-CER,CHIP 2203-002709 C329 C-CER,CHIP 2203-002709 C330 C-CER,CHIP 2203-002709 C336 C-CER,CHIP 2203-002709 C339 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 37 C-CER,CHIP 2203-005725 C133 C-CER,CHIP 2203-005725 C135 C-CER,CHIP 2203-005725 C150 C-CER,CHIP 2203-005727 C111 C-CER,CHIP 2203-005736 C134 C-CER,CHIP 2203-005736 C151 C-CER,CHIP 2203-005806 C1002 C-CER,CHIP 2203-005806 C1005 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 38 C-CER,CHIP 2203-006423 C122 C-CER,CHIP 2203-006423 C131 C-CER,CHIP 2203-006423 C132 C-CER,CHIP 2203-006423 C143 C-CER,CHIP 2203-006423 C144 C-CER,CHIP 2203-006423 C145 C-CER,CHIP 2203-006423 C146 C-CER,CHIP 2203-006423 C209 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 39 2203-006562 C724 C-CER,CHIP 2203-006562 C725 C-CER,CHIP 2203-006562 C726 C-CER,CHIP 2203-006562 C727 C-CER,CHIP 2203-006562 C728 C-CER,CHIP 2203-006562 C729 C-CER,CHIP 2203-006562 C730 C-CER,CHIP 2203-006562 C731 C-CER,CHIP 6-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 40 2203-006825 C334 C-CER,CHIP 2203-006825 C335 C-CER,CHIP 2203-006825 C341 C-CER,CHIP 2203-006825 C348 C-CER,CHIP 2203-006837 C172 C-CER,CHIP 2203-006838 C312 C-CER,CHIP 2203-006838 C414 C-CER,CHIP 2203-006838 C425 C-CER,CHIP 6-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 41 2703-002281 L105 INDUCTOR-SMD 2703-002281 L106 INDUCTOR-SMD 2703-002281 L108 INDUCTOR-SMD 2703-002365 L126 INDUCTOR-SMD 2703-002367 L122 INDUCTOR-SMD 2703-002368 L124 INDUCTOR-SMD 2703-002369 L114 INDUCTOR-SMD 2703-002596 L130 INDUCTOR-SMD 6-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 42 HEADER-BOARD TO BOARD 3711-005394 HDC600 HEADER-BOARD TO BOARD 3711-006217 BTC300 HEADER-BATTERY 3711-006277 HDC602 HEADER-BOARD TO BOARD 3711-006277 HDC603 HEADER-BOARD TO BOARD 4202-001356 ANT102 ANTENNA-CHIP 6-13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 43 NPR SHIELD-FRAME A GH71-07814A SC101 NPR SHIELD-FRAME B Please consult the GSPN website (Samsung Portal) for the most recent version of the product's part list. 6-14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 44: Block Diagrams

    7. Block Diagrams 7-1. RF Solution Block Diagram...
  • Page 45 Block Diagrams...

  • Page 46: Pcb Diagrams

    8. PCB Diagrams 8-1. Main top view SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 47 PCB Diagrams 8-2. Main bottom view SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 48: Flow Chart Of Troubleshooting

    Voltage in U309 Check U309 & V1 = 2.85~3.3V Neighboring V2 = 1.8~3.3V V3 = 1.4V circuit V4 = 1.4V V5 = 1.8V Check other POWER device SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 49 Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 50 1pin in Check U204 Neighboring U204 LOW? Circuits 6pin in U204 LOW? Output Check 6 pin Q302 In U302 OK? Chcek UCP700 & TCX100 Neighboring SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 51 Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 52 Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 53 Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 54 Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 55 Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 56 Signal On? 35, 36 Pin Check 5,6 Pin in in UCD400 UCD400 U515 Signal On? Signal On? &Neighboring Check U515 Check & UCP 200 Neighboring SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 57 Flow Chart of Troubleshooting 9-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 58 Flow Chart of Troubleshooting 9-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 59 Flow Chart of Troubleshooting 9-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 60 MP3 in UCD 400 Signal On? circuits Singal On? Check U512 & Check UCP 200 for Neighboring voice call , circuits UCP 700 for Mp3 &Neighboring circuits 9-13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 61 Flow Chart of Troubleshooting 9-14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 62 Flow Chart of Troubleshooting 9-15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 63 UCD403 and 21,22 pin in 21, 22 Pin in UCD400 UCD400 Signal On? Neighboring circuits Check UCP 200 for voice call UCD400 for Recording & Neighboring Circuits 9-16 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 64 Flow Chart of Troubleshooting 9-17 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 65 Flow Chart of Troubleshooting 9-18 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 66 OJ key NG? Change OJ key Breakdown? Check SLC602 & Neighboring Circuit Change key FPCB Qwerty Key FPCB Key NG? Breakdown? Check SLC601 & Neighboring Circuit 9-19 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 67 Flow Chart of Troubleshooting 9-20 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 68 Flow Chart of Troubleshooting 9-21 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 69 Vibrator Vibrator Change Vibrator Breakdown? Sodering PAD Resodering Vibrator of vibrator any problem? pin6 in U512 Change U512 High? Check U512 & Neighboring Circuit 9-22 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 70 Flow Chart of Troubleshooting 9-23 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 71 Insert T-Flash CD300 Change CD300 Breakdown? Pin 1,2 in Change CD300 CD300 Short? Change U512 pin5 in U512 HIGH? Check U512 or Neighboring circuit 9-24 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 72 Flow Chart of Troubleshooting 9-25 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 73 C189 are OK? PIN8 in U513 = 3.0V PIN7 in U513 1.8V Replace U513 While trying to operate BT Replace MOD100 9-26 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 74 Flow Chart of Troubleshooting 9-27 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 75 Flow Chart of Troubleshooting 9-28 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 76 PIN8 in U509=3.0V and Replace U517,U509 PIN7 in U509=1.8V or neighboring parts While operating WLAN Replace or Resolder R140, R140,R142 are OK? R142 Replace MOD101 9-29 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 77 Flow Chart of Troubleshooting 9-30 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 78 Flow Chart of Troubleshooting 9-31 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 79 Pin 4,5,6, : LOW Resolder or Change F100 Resolder or Change U100 pin 32,33 >= L110, L111, L109 - 75 dBm Check U100,& UCP200 9-32 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 80 Flow Chart of Troubleshooting 9-33 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 81 Check VBAT or Check Operating Sesolder / Change mode PAM100 pin3(BS) = L PAM100 Pin1(EN) = H Check U100 Resolder or Change R113, UCP200 9-34 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 82 Flow Chart of Troubleshooting 9-35 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 83 Pin 4 : HIGH Resolder or Change F100 U100 pin 38,39 >= Resolder or Change - 75 dBm L103, L104, L105, C118 Check U100 & UCP200 9-36 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 84 Flow Chart of Troubleshooting 9-37 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 85 Check VBAT or Check Operating Sesolder / Change mode PAM100 pin3(BS) = H PAM100 Check U100 Pin1(EN) = H Resolder or Change R113, UCP200 9-38 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 86 Flow Chart of Troubleshooting 9-39 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 87 Pin 4,5 : HIGH Resolder or Change F100 U100 pin 38,39 >= Resolder or Change - 75 dBm L106, L107, L108, C124 Check U100 & UCP200 9-40 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 88 Flow Chart of Troubleshooting 9-41 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 89 Check VBAT or Check Operating Sesolder / Change mode Check U100 PAM100 pin3(BS) = H PAM100 Pin1(EN) = H Resolder or Change R113, UCP200 9-42 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 90 Flow Chart of Troubleshooting 9-43 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 91 U100 pin29 >= U100 - 75dBm Check F101, C137,CL112, U100 pin34,35 >= C142, L116, C141, L117, - 75dBm C138, L115 Check U100 & UCP200 9-44 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 92 Flow Chart of Troubleshooting 9-45 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 93 - 30dBm pin 4 = L pin 5 =H PAM101 F105 pin1 >= Resolder or Change - 30dBm F105, L124 Check U100 & UCP200 9-46 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 94 Flow Chart of Troubleshooting 9-47 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 95 Flow Chart of Troubleshooting 9-48 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 96: Reference Data

    ― SMS : Short Message Service ― UL : Uplink ― USB : Universal Serial Bus ― WCDMA : Wideband Code Division Multiple Access 10-1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 97 Reference data 10-2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 98: Disassembly And Assembly Instructions

    (1) VOLUME KEY FPCB CONNECTOR (2) INTENNA CONNECTOR WIRE (3) OPTICAL MOUSE CONNECTOR (4) KEY FPCB CONNECTOR (5) LCD CONNECTOR (6) MOTOR Detach FPCB. Separate the MOTOR. 11-1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 99 Disassembly and Assembly Instructions Unscrew 2 points Separate the speaker bracket. Separate the 2M camera. Remove the insulation tape after raising the PBA. 11-2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 100 Pick out the tsp window connector from the space between LCD and PBA BRACKET. 꺼냄 Separate FRONT and PBA BRACKET ASS'Y. Separate RECEIVER and VGA CAMERA. 11-3 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 101 Separate PBA BRACKET and PBA. Separate the VGA CAMERA after removing the insulation tape. Detach two SHIELD COVERS. Separate the MOTOR and SPEAKER after RE- SOLDERING. 11-4 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 102 Separate the MOTOR and SPEAKER after Separate LCD and PBA BRACKET. RESOLDERING. Separate PBA BRACKET and INTENNA WIRE. Remove the INTENNA. Notice the MIC HOLDER. 11-5 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 103: Assembly Instructions

    3. MIC HOLDER must be settled in INTENNA HOLE. 4. Attach the NTENNA CONNECTOR WIRE side of the PBA BRACKET. (refer to the picture) 11-6 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 104 Attach the PORON SPEAKER BRACKET 1. Attach the PORON SPEAKER BRACKET following the guide line of the PCB 2. Remove the inner removal part of the PORON 11-7 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 105 1. Solder the RECEIVER on the TOP side. 2. Solder the MOTOR and SPEAKER on the BOTTOM side. ※ Notice SHORT and getting loose iron temperature : 350~380' 11-8 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 106 1. Inset the FPCB into the BRACKET. 2. Settle the PBA into the PBA BRACKET 3. Attach the MOTOR after assembling the SPEAKER BRACKET. 11-9 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 107 1. Close the LOCKER (SILK LINE of the FPCB must be placed end of the LOCKER) 2. Attach the insulation tape standardizing the CONNECTOR upper SILK LINE 11-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 108 1. Remove the sticker of FRONT WINDOW 2. Insert TSP WINDOW FPCB CONNECTOR into the FRONT hole 3. Attach the TSP WINDOW on FRONT standardizing the upper line 11-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 109 3. Attach the insulation tape standardizing the CONNECTOR lower end standardizing the HOOKER GUIDE PIN KEY PAD 1. Settle the KEY PAD standardizing the HOOKER. 2. Make sure the key pad attachment. 11-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 110 1. Put the PBA BRACKET ASS'Y on FRONT (right / upper side FIRST) Notice interference between VOLUME KEY FPCB and FRONT RIB 2. Connect LCD CONNECTOR 11-13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 111 1. Assemble the rear case and SCREW 6 POINTS (SCREW SIZE → M1.4*L6 : 5 POINT, M1.4*L3.5 : 1 POINT) SCREW TORQUE : 1.1~1.3 Kgf.cm 11-14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

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Sgh-i780

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