Samsung i780 Service Manual Download Page 71

Page: 71 / 111

SAMSUNG Proprietary-Contents may change without notice

Flow Chart of Troubleshooting

9-24

This Document can not be used without Samsung's authorization

9-7. T-Flash Card Working

YES

Insert

T-Flash

CD300

Breakdown?

Change CD300

Pin 1,2 in

CD300

Short?

pin5 in U512

HIGH?

Change U512

Change CD300

Check U512 or

Neighboring circuit

Summary of Contents for i780

Page 1: ...y Precautions 2 Specification 3 Product Function 4 Array course control 5 Exploded View and Parts List 6 Main Electrical Parts List 7 Block Diagrams 8 PCB Diagrams 9 Flow Chart of Troubleshooting 10 Reference data 11 Disassembly and Assembly Instructions ...

Page 2: ...d or domestic law Samsung Electronics Co Ltd 2008 01 Rev 1 0 ⓒ Country Web Site North America service samsungportal com Latin America latin samsungportal com CIS cis samsungportal com Europe europe samsungportal com China china samsungportal com Asia asia samsungportal com Mideast Africa mea samsungportal com GSPN Global Service Partner Network ...

Page 3: ...be worn away Use a thicken twisted wire when you measure level A thicken twisted wire has low resistance therefore error of measurement is few Repair after separate Test Pack and Set because for short danger for example an overcurrent and furious flames of parts etc when you repair board in condition of connecting Test Pack and tuning on Take specially care of soldering because Land of PCB is smal...

Page 4: ...ined your body before you touch semiconductor or parts with semiconductor There are ways that you touch an earthed place or wear static electricity prevention string on wrist Use earthed soldering steel when you connect or disconnect ESD Use soldering removing tool to break static electricity Otherwise ESD will be damaged by static electricity Don t unpack until you set up ESD on product Because m...

Page 5: ...2 10838 Tx Rx spacing 45MHz 95MHz 80MHz 190MHz Mod Bit rate Bit Period 270 833kbps 3 692us 270 833kbps 3 692us 270 833kbps 3 692us 3 84Mcps chip rate Time Slot Period Frame Period 576 9us 4 615ms 576 9us 4 615ms 576 9us 4 615ms Frame length 10ms Slot length 0 667ms Modulation 0 3GMSK 0 3GMSK 0 3GMSK QPSK DL HPSK UL MS Power 33dBm 5dBm 30dBm 0dBm 30dBm 0dBm 24dBm 50dBm Power Class 4 max 33dBm 1 max...

Page 6: ... 11 8 4 dBm 12 6 4 dBm 13 4 4 dBm 14 2 5 dBm 15 0 5 dBm TX Power control level GSM900 5 33 2 dBm 6 31 2 dBm 7 29 2 dBm 8 27 2 dBm 9 25 2 dBm 10 23 2 dBm 11 21 2 dBm 12 19 2 dBm 13 17 2 dBm 14 15 2 dBm 15 13 2 dBm 16 11 3 dBm 17 9 3 dBm 18 7 3 dBm 19 5 3 dBm TX Power control level DCS1800 0 30 3 dBm 1 28 3 dBm 2 26 3 dBm 3 24 3 dBm 4 22 3 dBm 5 20 3 dBm 6 18 3 dBm 7 16 3 dBm 8 14 3 dBm 9 12 4 dBm 1...

Page 7: ...in MMS Windows Live Portal Windows Update Email Setup Wizard Internet Explorer Multimedia capability 2 Mega Pixel VGA Camera Camcorder Windows Media Player Zoomer Dialer Video Telephony Accessary Applications Alarms Calculator NotePad Task Manager Smart Converter World Clock Stopwatch Smart Search Active Sync Bluetooth WIFI Document Viewer T9 File Manager My Item Java Pod Casting RSS Reader Games ...

Page 8: ...SAMSUNG Proprietary Contents may change without notice Product Function 3 2 This Document can not be used without Samsung s authorization ...

Page 9: ...Adjustments There is 2 set to download the binary image into your device 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 RF Cable SGH i560 to Agilent 8960 or CMU200 GH39 00599A 8 Test Cable JIG to SGH i780 GH39 00886A ...

Page 10: ...ownloader SGH_i780V Mobile Device USB Driver PDA Samsung MITs USB Sync Samsung MITs USB Sync zip Phone Samsung CDMA Modem Samsung CDMA Modem zip Driver Installation PDA Make sure that you install drivers If you installed the latest ActiveSync program you don t need to install the pda driver Please install the latest ActiveSync program Phone When you download the phone image you need the driver of ...

Page 11: ... not be used without Samsung s authorization 4 2 2 Single download Image version exe 1 Execute the Downloader Program Image Version exe 2 Turn off your device 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 ...

Page 12: ...change without notice Array course control 4 4 This Document can not be used without Samsung s authorization 6 When the download is finished the phone is turned off automatically Job Done Trouble Shooting 1 PDA Device not found message ...

Page 13: ...ake 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: ...ation hang If so terminate the application and then try the download again 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...

Page 15: ...authorization 4 2 3 Multi download 1 Device Settings 1 USB 2 0 hub Use the D Link DUB H7 an authorized Hi Speed USB 2 0 hub only 1 Connect the hub to PC 2 Connect the hub to the adapter 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 ...

Page 16: ... attached to the computer USB port of the computer where the OS image will be downloaded To this end make sure the phone image has been downloaded only once The initial attempt will fail but this iswill be failed This is to install the phone modem to the computer USB port will failof the computer Ex In order to multi download the OS image for 8 devices select the phone image only to download downl...

Page 17: ...uction 1 Run the program 2 Load the image by selecting the phone image only 3 Prepare to detect 4 Connect testing devices When the below warning message appears click 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 connected ...

Page 18: ...ems appear in the Device Manager Go to the My Computer à Properties à Hardware à Device Manager à Modem to check that the SAMSUNG CDMA Modem appears 7 After terminating the program disconnect the device 8 Repeat the process from 1 to confirm that downloading to the phone works appropriately If several phones do not appear repeat the same process until all devices are connected and appear ...

Page 19: ...otice Array course control 4 11 This Document can not be used without Samsung s authorization 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 ...

Page 20: ...ithout Samsung s authorization 1 Running the program Run the UMDL_i780_v1 0 exe Note Waiting for starting in the screenshot sounds very odd I would suggest that the client consider changing this to Waiting to start Buttons will be activated when the MIRAGE LV Image is selected at in the Select a platform menupane ...

Page 21: ...opriate images EBOOT BootImage nb0 PDA Flash bin Phone MIRAGE_ORANGE_BVxxx bin 3 Preparing to start Detect Click the Detect button on the bottom left side of the menuat the left bottom 4 Connecting testing devices Connect testing devices to the cable and turn on the power The connection is complete if the Device 1 Detected appears in the box on the bottom left sideat the left bottom and the PDA1 a...

Page 22: ...evices one by one Otherwise an error may occur in the computer USB port of the computer When this error occurs go to the page 22 to see the reference 5 Starting the download Press Click the Start downloading button 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...

Page 23: ... used without Samsung s authorization NOTE 2 If the progress bar is in blue the process will not be completed 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 ...

Page 24: ... control 4 16 This Document can not be used without Samsung s authorization When the download is complete 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 ...

Page 25: ...ter USB port of the computer Solution Proceed with the following action in order only when the previous action does not work 1 Unplug the USB port from the computer and plug it again 2 Open the Device Manager and remove the USB hub and install it again 3 Reboot the computer 4 Trouble Shooting 1 PDA Device not found message Make sure that check box Allow USB connection at the Connection Settings is...

Page 26: ... at first time you may see Port open failed message or application hang Opening COM XX succeed If so terminate the application and then try the download again If USB cable to the mobile device is not connected tightly you may see Port open failed message or application hang Opening COM XX succeed If so terminate the application and then try the download again 3 Write Failed message If battery leve...

Page 27: ...ocument can not be used without Samsung s authorization 5 1 Cellular phone Exploded View QME03 QKP01 QFR01 QLC01 QAR01 QMP01 QCA02 QVK01 QSH01 QSP01 QMO01 QST01 QCR06 QCR08 QSC01 QRF01 QBR04 QJK01 QME01 QRE01 QCR08 QBA01 QBA00 QAN02 QSH02 QCA01 QCR06 QCB01 QLB01 QVO01 QCK02 QIF01 QCK01 QSD01 QMI01 ...

Page 28: ...NE 6001 001611 QCR08 SCREW MACHINE 6001 001611 QFR01 ASSY CASE FRONT GH98 05794A QIF01 PMO COVER IF GH72 43402A QJK01 UNIT OPTICAL JOYSTICK GH59 04912A QKP01 ASSY KEYPAD FTM BLK GH98 07281A QLB01 ASSY BRACKET LCD GH98 06545A QLC01 LCD MODULE SGHI780 GH07 01158A QME01 KEY FPCB KEY FPCB ASSY GH59 04910A QME03 UNIT TOUCH PANEL ORA GH59 04930A QMI01 AS SGHI607 MIC GH81 06077A QMO01 MOTOR DC SGHI780 GH...

Page 29: ... COMPANION CD GH46 00542A MANUAL USERS FTM FRENCH QSG GH68 16462A MANUAL USERS FTM FRENCH QRG GH68 17163A BAG PE 6902 000634 LABEL P UNIT SEAL GH68 00518B LABEL P FTM MP3SLIM GH68 11246B LABEL R MAIN FRAN GH68 16811C CUSHION CASE EU GH69 06128A BOX UNIT ORA GH69 06185A LABEL R PALLET FTM GH68 16969B RMO RUBBER ANT C CLIP GH73 11105A SPONGE SPK BRACKET GH74 35963A LABEL R WATER SOAK GH68 09361A VIN...

Page 30: ...0406 001231 D605 DIODE TVS SA 0406 001231 D606 DIODE TVS SA 0406 001231 ZD400 DIODE TVS SA 0406 001231 ZD401 DIODE TVS SA 0406 001231 ZD501 DIODE TVS SA 0406 001231 ZD502 DIODE TVS SA 0406 001231 ZD503 DIODE TVS SA 0406 001231 ZD504 DIODE TVS SA 0406 001231 ZD505 DIODE TVS SA 0407 000115 D400 DIODE ARRAY SA 0407 001002 D300 DIODE ARRAY SA 0407 001007 D302 DIODE ARRAY SA 0501 000225 TR600 TR SMALL ...

Page 31: ... SA 1203 003643 U511 IC MULTI REG SA 1203 003664 U512 IC MULTI REG SA 1203 003664 U515 IC MULTI REG SA 1203 003664 U516 IC MULTI REG SA 1203 003748 U510 IC MULTI REG SA 1203 003926 U306 IC VOL DETECTOR SA 1203 004395 U517 IC POSI FIXED REG SA 1203 004435 U509 IC MULTI REG SA 1203 004435 U513 IC MULTI REG SA 1203 004606 U505 IC MULTI REG SA 1203 004763 U519 IC VOL DETECTOR SA 1203 004838 U301 IC BA...

Page 32: ...171 R125 R CHIP SA 2007 000171 R127 R CHIP SA 2007 000171 R131 R CHIP SA 2007 000171 R135 R CHIP SA 2007 000171 R150 R CHIP SA 2007 000171 R151 R CHIP SA 2007 000171 R330 R CHIP SA 2007 000171 R403 R CHIP SA 2007 000171 R404 R CHIP SA 2007 000171 R410 R CHIP SA 2007 000171 R513 R CHIP SA 2007 000171 R702 R CHIP SA 2007 000171 R705 R CHIP SA 2007 000171 R707 R CHIP SA 2007 000172 R100 R CHIP SA 200...

Page 33: ...42 R203 R CHIP SA 2007 007142 R204 R CHIP SA 2007 007142 R205 R CHIP SA 2007 007142 R301 R CHIP SA 2007 007142 R323 R CHIP SA 2007 007142 R500 R CHIP SA 2007 007142 R519 R CHIP SA 2007 007142 R602 R CHIP SA 2007 007142 R603 R CHIP SA 2007 007148 R332 R CHIP SA 2007 007155 R413 R CHIP SNA 2007 007155 R420 R CHIP SNA 2007 007193 R101 R CHIP SA 2007 007193 R111 R CHIP SA 2007 007306 R213 R CHIP SA 20...

Page 34: ... C CER CHIP SA 2203 000233 C158 C CER CHIP SA 2203 000233 C164 C CER CHIP SA 2203 000233 C166 C CER CHIP SA 2203 000233 C167 C CER CHIP SA 2203 000233 C169 C CER CHIP SA 2203 000233 C170 C CER CHIP SA 2203 000233 C178 C CER CHIP SA 2203 000233 C181 C CER CHIP SA 2203 000233 C182 C CER CHIP SA 2203 000233 C503 C CER CHIP SA 2203 000254 C1004 C CER CHIP SA 2203 000254 C149 C CER CHIP SA 2203 000254 ...

Page 35: ...89 C407 C CER CHIP SA 2203 000489 C408 C CER CHIP SA 2203 000627 C100 C CER CHIP SNA 2203 000627 C153 C CER CHIP SNA 2203 000627 C159 C CER CHIP SNA 2203 000627 C188 C CER CHIP SNA 2203 000679 C618 C CER CHIP SA 2203 000679 C619 C CER CHIP SA 2203 000679 C620 C CER CHIP SA 2203 000679 C621 C CER CHIP SA 2203 000679 C622 C CER CHIP SA 2203 000679 C623 C CER CHIP SA 2203 000679 C624 C CER CHIP SA 22...

Page 36: ...1259 C421 C CER CHIP SA 2203 001437 C114 C CER CHIP SA 2203 002668 C118 C CER CHIP SA 2203 002668 C124 C CER CHIP SA 2203 002668 C174 C CER CHIP SA 2203 002668 C190 C CER CHIP SA 2203 002677 C139 C CER CHIP SA 2203 002709 C1001 C CER CHIP SA 2203 002709 C191 C CER CHIP SA 2203 002709 C194 C CER CHIP SA 2203 002709 C196 C CER CHIP SA 2203 002709 C198 C CER CHIP SA 2203 002709 C199 C CER CHIP SA 220...

Page 37: ...09 C738 C CER CHIP SA 2203 002759 C155 C CER CHIP SA 2203 002968 C173 C CER CHIP SA 2203 003054 C510 C CER CHIP SA 2203 003054 C511 C CER CHIP SA 2203 003054 C513 C CER CHIP SA 2203 003054 C515 C CER CHIP SA 2203 003054 C517 C CER CHIP SA 2203 003054 C520 C CER CHIP SA 2203 003054 C603 C CER CHIP SA 2203 005281 C186 C CER CHIP SA 2203 005288 C109 C CER CHIP SA 2203 005382 C112 C CER CHIP SA 2203 0...

Page 38: ...6048 C429 C CER CHIP SA 2203 006048 C433 C CER CHIP SA 2203 006048 C558 C CER CHIP SA 2203 006048 C563 C CER CHIP SA 2203 006048 C564 C CER CHIP SA 2203 006165 C560 C CER CHIP SA 2203 006208 C306 C CER CHIP SA 2203 006208 C310 C CER CHIP SA 2203 006208 C314 C CER CHIP SA 2203 006208 C316 C CER CHIP SA 2203 006208 C402 C CER CHIP SA 2203 006208 C413 C CER CHIP SA 2203 006208 C423 C CER CHIP SA 2203...

Page 39: ...06562 C404 C CER CHIP SA 2203 006562 C419 C CER CHIP SA 2203 006562 C420 C CER CHIP SA 2203 006562 C430 C CER CHIP SA 2203 006562 C431 C CER CHIP SA 2203 006562 C436 C CER CHIP SA 2203 006562 C521 C CER CHIP SA 2203 006562 C527 C CER CHIP SA 2203 006562 C534 C CER CHIP SA 2203 006562 C537 C CER CHIP SA 2203 006562 C540 C CER CHIP SA 2203 006562 C548 C CER CHIP SA 2203 006562 C549 C CER CHIP SA 220...

Page 40: ...06824 C332 C CER CHIP SA 2203 006824 C333 C CER CHIP SA 2203 006824 C337 C CER CHIP SA 2203 006824 C338 C CER CHIP SA 2203 006824 C340 C CER CHIP SA 2203 006824 C347 C CER CHIP SA 2203 006824 C522 C CER CHIP SA 2203 006824 C523 C CER CHIP SA 2203 006824 C525 C CER CHIP SA 2203 006824 C535 C CER CHIP SA 2203 006824 C536 C CER CHIP SA 2203 006824 C538 C CER CHIP SA 2203 006824 C539 C CER CHIP SA 220...

Page 41: ...180 L102 INDUCTOR SMD SA 2703 001701 L119 INDUCTOR SMD SA 2703 001749 L115 INDUCTOR SMD SA 2703 001750 L100 INDUCTOR SMD SA 2703 001938 L407 INDUCTOR SMD SA 2703 001938 L408 INDUCTOR SMD SA 2703 002155 L110 INDUCTOR SMD SA 2703 002198 L121 INDUCTOR SMD SA 2703 002198 L414 INDUCTOR SMD SA 2703 002198 L415 INDUCTOR SMD SA 2703 002199 L120 INDUCTOR SMD SA 2703 002200 L107 INDUCTOR SMD SA 2703 002200 ...

Page 42: ...001461 F603 FILTER EMI ESD SA 2904 001629 F105 FILTER SAW SA 2904 001702 F101 FILTER SAW SA 2904 001703 F102 FILTER SAW SA 2904 001738 F103 FILTER SAW SA 2904 001759 F104 FILTER SAW SA 2910 000004 F107 DUPLEXER FBAR SA 2911 000091 F100 DUPLEXER FEM SA 3301 001438 L405 BEAD SMD SA 3301 001438 L406 BEAD SMD SA 3301 001534 L500 BEAD SMD SA 3301 001682 L402 BEAD SMD SA 3301 001682 L403 BEAD SMD SA 330...

Page 43: ...D SA 4709 001399 F106 COUPLER DIRECTION SA 4709 001527 MOD101 W LAN MODULE SA 4709 001544 MOD100 BLUETOOTH MODULE SA GH71 06620A ANT104 NPR CONTACT INTENA SA GH71 06620A ANT105 NPR CONTACT INTENA SA GH71 06620A ANT106 NPR CONTACT INTENA SA GH71 07813A SC100 NPR SHIELD FRAME A SA GH71 07814A SC101 NPR SHIELD FRAME B SA Please consult the GSPN website Samsung Portal for the most recent version of th...

Page 44: ...7 Block Diagrams 7 1 7 1 RF Solution Block Diagram ...

Page 45: ...Block Diagrams 7 2 ...

Page 46: ...SAMSUNG Proprietary Contents may change without notice 8 PCB Diagrams 8 1 This Document can not be used without Samsung s authorization 8 1 Main top view ...

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

Page 48: ...bleShooting 9 1 This Document can not be used without Samsung s authorization 9 1 Power On z PDA Part POWER ON NG NO YES NO AT TA301 V 3 32V Voltage in U309 V1 2 85 3 3V V2 1 8 3 3V V3 1 4V V4 1 4V V5 1 8V Battery Change Check U309 Neighboring circuit Check other POWER device ...

Page 49: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 9 2 This Document can not be used without Samsung s authorization ...

Page 50: ...ent can not be used without Samsung s authorization z PHONE Part NG YES NO YES NO YES NO YES 1PIN in U301 HIGH PHONE ON Output PWR In U302 OK 1pin in U204 LOW 6pin in U204 LOW Check UME200 Neighboring Circuit Check U302 Neighboring Circuits Chcek UCP700 TCX100 Neighboring Check 6 pin Q302 Check U204 ...

Page 51: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 9 4 This Document can not be used without Samsung s authorization ...

Page 52: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 9 5 This Document can not be used without Samsung s authorization ...

Page 53: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 9 6 This Document can not be used without Samsung s authorization ...

Page 54: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 9 7 This Document can not be used without Samsung s authorization ...

Page 55: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 9 8 This Document can not be used without Samsung s authorization ...

Page 56: ...sed without Samsung s authorization 9 2 RECEIVER Working NO YES NO YES NO YES YES NO NO OPERATE Receiver RCV ASSy Break down 5 6 Pin in U515 Signal On 35 36 Pin in UCD400 Signal On 2 4 Pin in U402 Signal On Change RCV Ass y Check UCD400 Neighboring Check U402 Neighboring Circuits Check U515 Neighboring Check UCP 200 ...

Page 57: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 9 10 This Document can not be used without Samsung s authorization ...

Page 58: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 9 11 This Document can not be used without Samsung s authorization ...

Page 59: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 9 12 This Document can not be used without Samsung s authorization ...

Page 60: ... NO NO OPERATE SPEAKER SPK ASSy Break down 5 6 pins in U515 Signal On 3 4 Pin in U400 Signal On 6 10 Pin in U402 Signal On 35 36 pins for voice call 35 36 5 pins for MP3 in UCD 400 Singal On Check UCP 200 for voice call UCP 700 for Mp3 Neighboring circuits Change SPK Ass y Check U512 Neighboring circuits Check UCD 400 Neighboring circuits Check U402 Neighboring circuits Check U400 Neighboring circ...

Page 61: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 9 14 This Document can not be used without Samsung s authorization ...

Page 62: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 9 15 This Document can not be used without Samsung s authorization ...

Page 63: ...G NO EARING NO YES NO YES NO YES OPERATE MICROPHONE 3 5 Pin in SLC601 Signal On Change MIC Assy s 21 22 Pin in UCD400 Signal On 6 10 Pin in U403 Signal On 3 4 Pin in IFC500 Signal On Check the path between UCD403 and 21 22 pin in UCD400 Neighboring circuits Check U403 Neighboring circuits Change EARPHONE Check UCP 200 for voice call UCD400 for Recording Neighboring Circuits ...

Page 64: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 9 17 This Document can not be used without Samsung s authorization ...

Page 65: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 9 18 This Document can not be used without Samsung s authorization ...

Page 66: ...YES YES NO PRESS KEY POWER KEY NG Volume key NG Camera key NG OJ key NG Qwerty Key NG Key FPCB Breakdown OJ key Breakdown Key FPCB Breakdown Key FPCB Breakdown SW600 Breakdown Check SLC601 Neighboring Circuit Change SW600 Check Soldering PAD Neighboring Circuit Change key FPCB Check Soldering PAD Neighboring Circuit Change key FPCB Check SLC601 Neighboring Circuit Change OJ key Check SLC602 Neighb...

Page 67: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 9 20 This Document can not be used without Samsung s authorization ...

Page 68: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 9 21 This Document can not be used without Samsung s authorization ...

Page 69: ...roubleshooting 9 22 This Document can not be used without Samsung s authorization 9 6 Vibrator Working Operate Vibrator Vibrator Breakdown Sodering PAD of vibrator any problem pin6 in U512 High Change Vibrator Resodering Vibrator Change U512 Check U512 Neighboring Circuit ...

Page 70: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 9 23 This Document can not be used without Samsung s authorization ...

Page 71: ...oubleshooting 9 24 This Document can not be used without Samsung s authorization 9 7 T Flash Card Working NG YES NO NO YES NO YES Insert T Flash CD300 Breakdown Change CD300 Pin 1 2 in CD300 Short pin5 in U512 HIGH Change U512 Change CD300 Check U512 or Neighboring circuit ...

Page 72: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 9 25 This Document can not be used without Samsung s authorization ...

Page 73: ...e used without Samsung s authorization 9 8 Bluetooth Working NG NO YES NO YES NO YES OPERATE BT R143 L130 C191 C192 C189 are OK Replace or Resolder ANT102 and C190 ANT102 and C190 are OK PIN8 in U513 3 0V PIN7 in U513 1 8V While trying to operate BT Replace U513 Replace or Resolder the bad part Replace MOD100 END ...

Page 74: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 9 27 This Document can not be used without Samsung s authorization ...

Page 75: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 9 28 This Document can not be used without Samsung s authorization ...

Page 76: ... NG NO YES NO YES NO YES YES OPERATE WLAN ANT106 R150 R151 are OK R140 R142 are OK PIN4 in U517 3 3V PIN8 in U509 3 0V PIN7 in U509 1 8V While operating WLAN WLAN Intenna on Rear Case is OK Replace or Resolder the ANT106 R150 R151 Replace the WLAN intenna Check neighboring circuit and Replace U517 U509 or neighboring parts Replace or Resolder R140 R142 Replace MOD101 ...

Page 77: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 9 30 This Document can not be used without Samsung s authorization ...

Page 78: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 9 31 This Document can not be used without Samsung s authorization ...

Page 79: ...sung s authorization 9 10 GSM Receiver YES NO YES NO NO YES YES NO YES RX ON Sector PWR 50dBm F100 pin 11 60 dBm F100 pin 23 24 70 dBm Check F100 truth table Pin 4 5 6 LOW U100 pin 32 33 75 dBm Resolder RFS100 L100 L101 C103 C109 Check U100 UCP200 Resolder or Change L110 L111 L109 Resolder or Change F100 Check R103 R105 R109 UCP200 ...

Page 80: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 9 33 This Document can not be used without Samsung s authorization ...

Page 81: ...CL 5 level F100 pin 11 5 dBm F100 pin 17 5 dBm PAM100 pin 9 5 dBm PAM100 pin7 30dBm Check U100 Resolder or Change F100 L113 L133 C139 C126 Resolder RFS100 L100 L101 C103 C109 Check F100 truth table Pin 4 5 LOW Pin 6 HIGH Check Operating mode PAM100 pin3 BS L Pin1 EN H Check Vramp Check R103 R105 R109 UCP200 Resolder or Change F100 Resolder PAM100 Check UCP200 Check VBAT or Sesolder Change PAM100 R...

Page 82: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 9 35 This Document can not be used without Samsung s authorization ...

Page 83: ...authorization 9 12 DCS Receiver YES NO YES NO NO YES YES NO YES RX ON Sector PWR 50dBm F100 pin 11 60 dBm Resolder RFS100 L100 L101 C103 C109 Check R103 R105 R109 UCP200 Check F100 truthtable Pin 5 6 LOW Pin 4 HIGH F100 pin 19 20 70 dBm Resolder or Change F100 U100 pin 38 39 75 dBm Resolder or Change L103 L104 L105 C118 Check U100 UCP200 ...

Page 84: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 9 37 This Document can not be used without Samsung s authorization ...

Page 85: ...n 11 0 dBm Resolder RFS100 L100 L101 C103 C109 Check R103 R105 R109 UCP200 Check F100 truth table Pin 4 LOW Pin 5 6 HIGH F100 pin 15 0 dBm Resolder or Change F100 PAM100 pin 16 0 dBm Resolder or Change F100 L114 C129 C140 C127 Resolder PAM100 Check UCP200 Check Vramp Check Operating mode PAM100 pin3 BS H Pin1 EN H PAM100 pin2 25dBm Check VBAT or Sesolder Change PAM100 Resolder or Change R113 UCP20...

Page 86: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 9 39 This Document can not be used without Samsung s authorization ...

Page 87: ...authorization 9 14 PCS Receiver YES NO YES NO NO YES YES NO YES RX ON Sector PWR 50dBm F100 pin 11 60 dBm Resolder RFS100 L100 L101 C103 C109 Check R103 R105 R109 UCP200 Check F100 truthtable Pin 6 LOW Pin 4 5 HIGH F100 pin 21 22 70 dBm Resolder or Change F100 U100 pin 38 39 75 dBm Resolder or Change L106 L107 L108 C124 Check U100 UCP200 ...

Page 88: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 9 41 This Document can not be used without Samsung s authorization ...

Page 89: ...CL 0 level F100 pin 11 0 dBm Resolder RFS100 L100 L101 C103 C109 Check R103 R105 R109 UCP200 Check F100 truth table Pin 4 LOW Pin 5 6 HIGH F100 pin 15 0 dBm Resolder or Change F100 PAM100 pin 16 0 dBm Resolder or Change F100 L114 C129 C140 C127 Resolder PAM100 Check UCP200 Check Vramp PAM100 pin2 25dBm Check U100 Check Operating mode PAM100 pin3 BS H Pin1 EN H Check VBAT or Sesolder Change PAM100 ...

Page 90: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 9 43 This Document can not be used without Samsung s authorization ...

Page 91: ...pin 11 65 dBm F100 pin 9 70 dBm U100 pin34 35 75dBm U100 pin29 75dBm U100 pin26 75dBm F107 pin 2 75 dBm Check F100 truth table Pin 5 LOW Pin 4 6 HIGH Resolder or Change F100 Resolder RFS100 L100 L101 C103 C109 Resolder or Change U100 Resolder or Change C184 R131 Resolder or Change F107 L122 L123 L125 C173 Check R103 R105 R109 UCP200 Check F101 C137 CL112 C142 L116 C141 L117 C138 L115 Check U100 UC...

Page 92: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 9 45 This Document can not be used without Samsung s authorization ...

Page 93: ...RFS100 L100 L101 C103 C109 F100 pin 11 10dBm Check R103 R105 R109 UCP200 Check F100 truth table Pin 5 LOW Pin 4 6 HIGH F100 pin 9 8 dBm Resolder or Change F100 Resolder or Change F107 L122 L123 L125 C173 F107 pin 1 5 dBm Check UCP 200 PAM101 pin8 15dBm PAM101 pin8 30dBm Resolder or Change F105 L124 F105 pin1 30dBm Check U100 UCP200 Check PAM101 pin 3 L pin 4 L pin 5 H Check UCP 200 Check VBAT or R...

Page 94: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 9 47 This Document can not be used without Samsung s authorization ...

Page 95: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 9 48 This Document can not be used without Samsung s authorization ...

Page 96: ...nications FTP File Transfer Protocol HPSK Hybrid Phase Shift Keying HSDPA High Speed Downlink Packet Access Mcps Mega chips per second MMS Multimedia Messaging Service MSK Minimum Shift Keying OBEX OBject EXchange PBA Panel Board Assembly PCS Personal Communication System PIM S Personal Information Management System QPSK Quadrature Phase Shift Keying RNDIS Remote Network Driver Interface Specifica...

Page 97: ...SAMSUNG Proprietary Contents may change without notice Reference data 10 2 This Document can not be used without Samsung s authorization ...

Page 98: ...REW 6 POINT Remove rear cover Separate the locker by inserting the disassembly apparatus into the gap between the front and the rear 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 2 1 SCREW 6 POINT 6 MOTOR 5 LCD CONNECTOR 1 VOLUME KEY FPCB CONNECTOR 4 KEY FPCB CONNECTOR 3 OPTICAL MOUSE CONNE...

Page 99: ...thout notice Disassembly and Assembly Instructions 11 2 This Document can not be used without Samsung s authorization Unscrew 2 points Separate the speaker bracket Separate the 2M camera Remove the insulation tape after raising the PBA 5 4 7 6 ...

Page 100: ...ly Instructions 11 3 This Document can not be used without Samsung s authorization Open the TSP WINDOW CONNECTOR LOCKER 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 9 8 11 10 ...

Page 101: ... and Assembly Instructions 11 4 This Document can not be used without Samsung s authorization 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 13 12 15 14 ...

Page 102: ...bly and Assembly Instructions 11 5 This Document can not be used without Samsung s authorization Separate the MOTOR and SPEAKER after RESOLDERING Separate LCD and PBA BRACKET Separate PBA BRACKET and INTENNA WIRE Remove the INTENNA Notice the MIC HOLDER 17 16 19 18 ...

Page 103: ...ach the KEY FPCB standardizing guide hole INTENNA ASSEMBLY 1 Press the intenna conector on intenna perpendicularly 2 Attach INTENNA on PBA BRACKET Make sure the contact between GOLD GASKET andINTENNA CONNECTOR 3 MIC HOLDER must be settled in INTENNA HOLE 4 Attach the NTENNA CONNECTOR WIRE side of the PBA BRACKET refer to the picture 1 2 1 INTENNA CONNECTOR 체결 4 INTENNA CONNECTOR WIRE 안착 2 GOLD GAS...

Page 104: ...sing the GUIDE HOLE and SOLDER the FPCB Notice SHORT and getting loose iron temperature 350 380 Insert ANTENNA CONTACT RUBBER 1 Insert rubber into the lower end of the INTENNA CONTACT 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 3 Do not remove the sticker Settle standardizing the hole 4 5 the i...

Page 105: ...zation Attach SHIELD COVER 1 Attach SHIELD COVER from the left side RECEIVER MOTOR SPEAKER SOLDERING 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 6 7 insert from the left side notice the right insertion direction RECEIVER SOLDERING MOTOR SPEAKER SOLDERING ...

Page 106: ...tandardize the FPCB SILK LINE and attach the insulation tape after closing the LOCKER 2 Press the 2MEGA CAMERA Settle PBA Attach the SPEAKER BRACKET 1 Inset the FPCB into the BRACKET 2 Settle the PBA into the PBA BRACKET 3 Attach the MOTOR after assembling the SPEAKER BRACKET 9 8 attach 2MEGA CAMERA attach VGA CAMERA inset the FPCB into the bracket FIRST attach the MOTOR notice the SPEAKER settlin...

Page 107: ...zation SCREW Attach VOLUME KEY FPCB 1 SCREW 2 POINTS SCREW SIZE M1 4 L3 5 TORQUE 1 1 1 3 Kgf cm 2 Attach the VOLUME KEY FPCB on the PBA BRACKET following the picture Connect KEY FPCB CONNECTOR 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 SILK LINE ...

Page 108: ...erpendicularly 2 Attach the RECEIVER and VGA CAMERA after removing stickers Attach the TSP WINDOW on FRONT 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 12 13 remove sticker attach after holding attach the receiver standardizing left lower end RIB insert TSP WINDOW FPCB CONNECTOR into the FR...

Page 109: ...tion Settle LCD Connect TSP WINDOW CONNECTOR 1 Settle LCD on FRONTstandardizing the upper line 2 Close the LOCKER FPCB SILK LINE must be placed end of the LOCKER 3 Attach the insulation tape standardizing the CONNECTOR lower end KEY PAD 1 Settle the KEY PAD standardizing the HOOKER 2 Make sure the key pad attachment 14 15 standardizing the HOOKER GUIDE PIN ...

Page 110: ...standardizing the CONNECTOR upper side Put the PBA BRACKET ASS Y on FRONT 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 17 16 inset the OPTICAL MOUSE FPCB into the BRACKET hole standardizing the SILK LINE attach the insulation tape standardizing the CONNECTOR upper side notice interference between VOLUM...

Page 111: ... Document can not be used without Samsung s authorization Make sure the HOOKER 5 POINT attachment with accuracy Assemble the rear case SCREW 6 points 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 M1 4 L6 M1 4 L3 5 17 16 HOOKER 5 POINT ...

Search results

Summary of Contents for i780

Reviews:

Related manuals for i780

Brands by name

Popular brands

Samsung i780, Service Manual

Search results

Summary of Contents for i780

Reviews:

Related manuals for i780

Brands by name

Popular brands