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Samsung SGH-E690, Service Manual

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Samsung SGH-E690 Service Manual Download Page 43

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-4

9-2. Initial

Initial Failure

Yes

Is U400 RSTON is HIGH?

No

Check the circuit related to reset

Yes

Is UCP200 R203, R204

=2.8V?

Check the UCP200

No

Yes

Check the 16bit data signal & memory CE

Yes

END

Summary of Contents for SGH-E690

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

Page 2: ...ion 2 1 2 2 GSM Tx Power Class 2 2 3 Product Function 4 Array course control 4 1 Software Adjustments 4 1 4 2 Software Downloading 4 3 5 Exploded View Disassembly Assembly Instructions 5 1 Cellular phone Exploded View 5 1 5 2 Cellular phone Parts list 5 2 5 3 Disassembly Assembly Instructions 5 4 6 MAIN Electrical Parts List 7 Block Diagrams 8 PCB Diagrams ...

Page 3: ...6 Speaker Part 9 13 9 7 Key Data Input 9 16 9 8 Receiver Part 9 18 9 9 LCD Part 9 20 9 10 Camera Part 9 23 9 11 Trans Flash Card Part 9 27 9 12 Bluetooth Part 9 30 9 13 Main Key LED Part 9 32 9 14 GSM900 Receiver 9 33 9 15 GSM900 Transmitter 9 34 9 16 DCS Receiver 9 35 9 17 DCS PCS Transmitter 9 36 9 18 PCS Receiver 9 37 10 Reference data ...

Page 4: ...orn 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 small an...

Page 5: ...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 6: ...spacing 45MHz 45MHz 95MHz 80MHz Mod Bit rate Bit Period 270 833kbps 3 692us 270 833kbps 3 692us 270 833kbps 3 692us 270 833kbps 3 692us Time Slot Period Frame Period 576 9us 4 615ms 576 9us 4 615ms 576 9us 4 615ms 576 9us 4 615ms Modulation 0 3GMSK 0 3GMSK 0 3GMSK 0 3GMSK MS Power 33dBm 5dBm 33dBm 5dBm 30dBm 0dBm 30dBm 0dBm Power Class 5pcl 19pcl 5pcl 19pcl 0pcl 15pcl 0pcl 15pcl Sensitivity 102dBm...

Page 7: ... 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 10 10 4 dBm 11 8 4dBm 12 6 4 dBm 13 4 4 dBm 14 2 5 dBm 15 0 5 dBm TX Power control level PCS1900 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 10 10 4 dBm 11 8 4dBm 12 6 4 dBm 13 4 4 dBm 14 2 5 dBm 15 0 ...

Page 8: ...ion VGA Camera 64poly sw midi Audio Amp BT V1 2 USB 1 1 WAP2 0 JAVA2 0 MP3 MPEG4 FM Radio EDGE Class 10 Tri Band 900 1800 1900 RF PMB6272 infineon BT CSR Discrete Ant SEMCO Battery 800mAh 503442 Size 94 x 48 x 15 9 mm Weight 93 g Memory 256Mb 256Mb 128Mb SEC Camera CMOS VGA LSI B E MV3017 Mtek LCD Main 2 0 128x160 65K color TFT Sub 1 0 96x96 65K STN ...

Page 9: ...SAMSUNG Proprietary Contents may change without notice Product Function 3 2 This Document can not be used without Samsung s authorization ...

Page 10: ...t notice 4 Array course control 4 1 This Document can not be used without Samsung s authorization 4 1 Software Adjustments RF Test Cable GH39 00397A Test Jig GH80 03306A Power Supply Cable Serial Cable Test Cable GH39 00499B DATA CABLE GH39 00482B ...

Page 11: ...t be used without Samsung s authorization TA GH44 01362B Malaysia Singapore BLACK GH44 01363B the Republic of the Philippines BLACK GH44 01361B South East Asia BLACK GH44 01363A the Republic of the Philippines SILVER GH44 01362A Malaysia Singapore SILVER GH44 01361A South East Asia SILVER BLACK SILVER ...

Page 12: ... Program X690_DownloadeV1 1 0 exe E690 Mobile Phone Data Cable Binary file TFS file 4 2 2 S W Downloader Program Load the binary download program by executing the X690_DownloadeV1 1 0 exe 1 Select the connected serial port and the rate of speed 2 Select the check box the mode you want to download if the binary file wanted check only BIN if the tfs file wanted check only TFS if all the files wanted...

Page 13: ...SAMSUNG Proprietary Contents may change without notice Array course control 4 4 This Document can not be used without Samsung s authorization 3 Select the file s what you want to download ...

Page 14: ...rization 5 Exploded View Disassembly Assembly Instructions 5 1 Cellular phone Exploded View QWD01 QFR01 QSD01 QCK01 QIF01 QVO01 QFU01 QLR02 QLR01 QSH01 QCR57 QMP01 QRF01 QCA01 QMO01 QLR03 QFL01 QHI01 QCR05 QSC05 QMW01 QLC01 QSP01 QME03 QSC06 QKP01 QME01 QMI01 QAN02 QCR03 QRE01 QCR05 QSC13 QSC14 QBA01 QSC01 QBA00 ...

Page 15: ...3 08644A QLR02 RMO RUBBER LCD UPPER 2 GH73 08645A QLR03 RMO RUBBER LCD LOWER GH73 08599A QME01 UNIT MAIN KEY FPCB GH59 03410A QME03 UNIT CON TO CON GH59 03404A QMI01 AS MIC SVC GH81 05445A QMO01 MOTOR DC SGHE690 GH31 00282A QMP01 PBA MAIN SGH E690S GH92 02984A QMW01 ASSY COVER WINDOW MAIN GH98 01647A QRE01 ASSY CASE REAR GH98 02445A QRF01 PMO RF CAP GH72 34826A QSC01 MPR TAPE GH74 26708A QSC05 RMO...

Page 16: ... BOX UNIT SEA GH69 04193A CUSHION CASE 1 2 GH69 04520A MPR REMOVE TAPE LCD GH74 13804A MPR TAPE SUB LCD INSUL GH74 18531A CONE TAPE SUB LCD INSUL GH74 19756A MPR INSU TAPE GH74 24458A MPR GASK TAPE GH74 25025A MPR VINYL BOHO UPPER OUT 2 GH74 25484A MPR VINYL BOHO LOWER OUT GH74 25487A MPR VINYL BOHO STA ELE SUB WIN GH74 25811A MPR TAPE WINDOW GH74 26705A MPR VINYL BOHO FPCB CONN GH74 26798A MPR IN...

Page 17: ...n 1 Be careful not to get a damage of Rear Case 1 Be Careful not to get a damage of any Devices 1 Be careful not to get a damage of Hooks 1 2 3 4 1 Remove Screw Covers by a Pincette 1 Remove four points of Rear Screw 1 Remove SIM CARD and BATTERY 1 Lift up Rear Case softly and twist it to the left after this remove it 5 3 Disassembly Assembly Instructions Disassembly ...

Page 18: ...eful not to get a damage of PCB 1 Be Careful not to get damage of Connector 2 Be Careful not to get a damage around Cases 1 Be Careful not to get damage of Con To Con 5 6 7 8 1 Remove two points of screw which is used to fix a PCB 1 Disjoint a PBA in Front by lifting up from down 1 Remove black insulation TAPE that is attached to Shield Can by a Pincette 1 Disjoint KEY Connector and Con To Con Con...

Page 19: ...on 1 Be Careful not to get a damage around Cases 1 Be Careful not to get damage of Con To Con 1 Be Careful not to get a damage around Cases 1 Be Careful not to get a damage 9 1 Remove Screws on Shield Can 10 1 Lift up Shield Can s upper side by a Pincette and Disjoint Shield Can from the SET 11 1 Disjoint Key Pad in Front 12 1 Disassemble the Folder from Front Case ...

Page 20: ...ful not to get a damage around cases 1 Be careful not to get a damage of speaker motor 2 Be careful not to separate non woven fabric from speaker 13 1 Separate the Folder From Front Case with carefully checking Con To Con 14 2 Remove Screws on Folder 15 2 Disassemble the Side of Hookers by assembly stick 16 1 Remove Screw Covers by a Pincette 1 Open Hooker in the Upper Hinge decomposition groove b...

Page 21: ...ons 5 8 This Document can not be used without Samsung s authorization 1 Don t touch LCD s Glass part 1 Be careful not to get a damage of Con To Con 1 Be careful not to get a damage of window 17 1 Bend Lower a little and separate LCD 18 1 Separate Con To Con from the Lower 19 1 Dissolution Completion ...

Page 22: ...ction Tape may not attach outside silk 1 Press electric conduction Tape again so that TAPE may not get loose 1 Attach two faces Tape according to silk 1 1 clean dust on the ground pad by alcohol 2 1 Attach electric conduction Tapes on the LCD s left right upper sides like picture 3 1 Attach electric conduction Tape on the LCD s left right upper sides like picture 4 1 Remove Tape after attaching tw...

Page 23: ...cording to the base line 1 Attach electric conduction Tape so that it may not come out outside base line 1 Attach rubber so that it may not be projected to outer block of PCB 5 6 7 8 1 Fix Connector after inserting Con To Con to the Zip Connector 1 Attach Tape for fixing a Connector 1 Attact 0 3T electric conduction Tape on the Con To Con 1 2 1 Attact 0 5T electric conduction Tape on where LCD s l...

Page 24: ...t may not be projected to outer block of PCB 1 Take care so that Sponge may not infringe to the Sub LCD and rubber 1 If some dust are covered on LCD it should be removed by alcohol 1 Be careful not to get a damage of cases 1 During Solder speaker and vibrator concern about polarity 1 paint a little of adhesive on soldering parts 9 10 11 1 Attach Rubber like picture 1 Attach Sponge like picture ...

Page 25: ...amera until it is sonant Click 1 Be careful not to get a damage of Con To Con 1 When you assemble take care so that foreign substances may not come into the Main Lcd 1 Be careful not to get a damage of cases 9 1 Assemble Camera 10 11 1 After checking up foreign substances of Window assemble Motor Speaker Camera 12 1 Insert Con To Con first to the Lower 1 Combine Lower and Upper ...

Page 26: ...reful not to get a damage of cases 1 Be careful not to get a damage of cases 1 Be careful not to get a damage of Con To Con 1 Be careful not to get a damage of Case 13 1 Assemble Hooker by left right side and Hinge in order 14 1 Drive 2 screws on Folder 2 Assemble 2 screw covers on Folder 15 1 Insert the Con To Con to front hole 16 1 Assemble the folder to Front case 1 2 3 1 2 ...

Page 27: ...er volume and camera key has attached 2 Be careful not to get a damage of Case 1 Be Careful not to get damage of Con To Con 1 Be careful not to get a damage of Shield Can 2 SCREW TORQUE 0 7 0 9 kgf cm 17 18 19 1 Insert Con To Con to the Shield Can Hole before assembling the Shield Can 20 1 Tighten two Points of Screw on Shield Can 1 Insert the KeyPad From lower part 1 Insert the Shield Can From lo...

Page 28: ...ft and right 1 Be Careful not to get damage of Connector 1 Be careful not to get a damage of case 2 SCREW TORQUE 1 0 1 2 kgf cm 1 Be Careful not to get damage of Con To Con 21 1 When attaching a black insulation Tape insert left side upper part of the tape first 1 Assemble a PBA after inserting upper side Boss hall of PBA first 22 1 Thighten two Points of screw of the PBA after inserting PBA and I...

Page 29: ...hout Samsung s authorization 1 press bottom side of Rear Case with thumb and assemble it 2 Be careful not to get a damage of Front case 1 Be careful not to get a damage of case 2 SCREW TORQUE 1 0 1 2 kgf cm 1 Be careful not to get a damage of case 25 1 Assemble Rear Case SET 1 drive 4 screws on rear case 26 1 Insert Screw Caps by pincette 27 ...

Page 30: ...SA C120 C CER CHIP 2203 005482 SA C121 C CER CHIP 2203 005482 SA C122 C CER CHIP 2203 005968 SA C123 C CER CHIP 2203 000530 SNA C124 C CER CHIP 2203 005234 SA C125 C CER CHIP 2203 000233 SA C126 C CER CHIP 2203 005061 SA C127 C CER CHIP 2203 002668 SA C129 C CER CHIP 2203 006399 SA C130 C CER CHIP 2203 006399 SA C131 C CER CHIP 2203 005234 SA C201 C CER CHIP 2203 006194 SA C202 C CER CHIP 2203 006...

Page 31: ... CER CHIP 2203 006824 SA C418 C CER CHIP 2203 006824 SA C419 C TA CHIP 2404 001381 SA C420 C CER CHIP 2203 006257 SA C421 C CER CHIP 2203 006824 SA C422 C CER CHIP 2203 006048 SA C425 C CER CHIP 2203 006208 SA C426 C CER CHIP 2203 006257 SA C427 C CER CHIP 2203 006257 SA C428 C CER CHIP 2203 006562 SA C429 C CER CHIP 2203 006257 SA C500 C CER CHIP 2203 005395 SA C501 C CER CHIP 2203 005482 SA C502...

Page 32: ...2203 006260 SA D601 DIODE SCHOTTKY 0404 001172 SA D602 DIODE TVS 0406 001208 SA F101 FILTER EMI SMD 2901 001254 SA F301 FILTER EMI ESD 2901 001322 SA F302 FILTER EMI ESD 2901 001370 SA F303 FILTER EMI ESD 2901 001370 SA F601 FILTER LC 2909 001283 SA F602 FILTER EMI ESD 2901 001322 SA HEA301 HEADER BOARD TO BOARD 3711 005937 SA HEA302 HEADER BOARD TO BOARD 3711 005456 SA IFC600 SOCKET INTERFACE 371...

Page 33: ...IP 2007 000171 SA R112 R CHIP 2007 000140 SA R113 R CHIP 2007 000171 SA R200 R CHIP 2007 000147 SA R201 R CHIP 2007 008516 SA R203 R CHIP 2007 008548 SA R204 R CHIP 2007 008548 SA R205 R CHIP 2007 000162 SA R206 R CHIP 2007 000162 SA R207 R CHIP 2007 000162 SA R208 R CHIP 2007 008052 SA R209 R CHIP 2007 000170 SA R210 R CHIP 2007 000170 SA R211 R CHIP 2007 000171 SA R304 R CHIP 2007 000148 SA R305...

Page 34: ...5 SA R616 R CHIP 2007 009168 SA R617 R CHIP 2007 008419 SA R618 R CHIP 2007 008055 SA R619 R CHIP 2007 008055 SA R620 R CHIP 2007 007107 SA R621 R CHIP 2007 007312 SA R622 R CHIP 2007 000137 SA R623 R CHIP 2007 007489 SA R624 R CHIP 2007 000775 SA R625 R CHIP 2007 000171 SA R626 R CHIP 2007 001325 SA R627 R CHIP 2007 008275 SA R628 R CHIP 2007 007573 SA R629 R CHIP 2007 007334 SA R632 R CHIP 2007 ...

Page 35: ...203 003737 SA U500 IC AUDIO AMP 1201 002356 SA U601 TR DIGITAL 0504 001151 SA U602 IC DATA COMM GEN 1205 003064 SA U603 IC CMOS LOGIC 0801 002237 SA U604 IC DEMODULATOR 1204 002688 SA U605 IC BATTERY 1203 003742 SA U607 DIODE TVS 0406 001200 SA U610 DIODE TVS 0406 001201 SA UCP200 IC COMM CONTROLLER 1205 002757 SA UME301 IC MCP 1108 000080 SA V400 VARISTOR 1405 001082 SA V401 VARISTOR 1405 001082 ...

Page 36: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization 7 Block Diagrams 7 1 7 1 RF Solution Block Diagram ...

Page 37: ...SAMSUNG Proprietary Contents may change without notice Block Diagrams This Document can not be used without Samsung s authorization 7 2 7 2 Base Band Solution Block Diagram ...

Page 38: ...SAMSUNG Proprietary Contents may change without notice 8 PCB Diagrams 8 1 This Document can not be used without Samsung s authorization Top ...

Page 39: ...SAMSUNG Proprietary Contents may change without notice PCB Diagrams 8 2 This Document can not be used without Samsung s authorization Bottom ...

Page 40: ... generation circuit related to TCX100 Yes Yes Check the initial operation Yes No Check for the clock at C112 26MHz Yes No Check the VDD_GSM_CORE circuit U401 C419 VDD_GSM_CORE 1 8V Yes No Check the related citcuit Yes No Resolder OSC400 Check the Clock at OSC400 32 768KHz Yes No Check the PMU related to BAT409 C415 BAT409 2 7V Yes No END Change the Battery Power On does not work Check the Battery ...

Page 41: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 2 ...

Page 42: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 3 ...

Page 43: ...an not be used without Samsung s authorization Flow Chart of Troubleshooting 9 4 9 2 Initial Initial Failure Yes Is U400 RSTON is HIGH No Check the circuit related to reset Yes Is UCP200 R203 R204 2 8V Check the UCP200 No Yes Check the 16bit data signal memory CE Yes END ...

Page 44: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 5 ...

Page 45: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 6 ...

Page 46: ... Samsung s authorization 9 7 9 3 Charging Part Check the U605 pin 1 4 9V Abnormal charging part END No Yes U605 pin 5 L No Yes Check the U605 pin 10 4 2V No Yes Check the the circuit related to V_EXT_CHARGE Resolder or replace U605 Check the circuit related to AUX_ON signal Yes U605 pin 3 L Yes No Resolder or replace U605 ...

Page 47: ...low Chart of Troubleshooting 9 8 9 4 Sim Part T SIM600 pin 11 14 H Phone can t access SIM Card Check the sim charge pump Check the SIM Card END No Yes Yes Yes No Check the clock After Power ON Check SIMCLK Signal on pin15 of T SIM600 in a few second Yes No Replace PBA After SIM card insert T SIM600 pin 13 H SIM_RST Yes ...

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

Page 49: ...without Samsung s authorization Flow Chart of Troubleshooting 9 10 9 5 Microphone Part Check the connection from MIC Check the circuit from UCP200 to MIC Resolder MIC Resolder the C506 C508 L502 and L503 END No Yes Yes Yes No Microphone does not work Yes Check the MIC No Replace the MIC ...

Page 50: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 11 ...

Page 51: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 12 ...

Page 52: ...art MP3 Spk Are the signal at C511 C513 pins OK Speaker does not work Check the signal at 15 17 pins of U500 Check the supply voltage of UCP200 and main clock 26MHz END No Yes Check the signal at 45 47 pins of LCD Connector on LCD module Replace con to con FPCB Yes No Yes Check the Speaker contact pins No Replace Speaker Yes Yes Check the supply voltage of U500 No ...

Page 53: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 14 ...

Page 54: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 15 ...

Page 55: ...ocument can not be used without Samsung s authorization 9 16 9 7 Key Data Input When one of the keys is pushed KEY_ROW 0 4 KEY_COL 0 4 signal is OK Yes No Replace the PBA Check Initial Operation Yes Yes No END Check the Dome sheet Key Pad When one of the keys is pushed is it displayed on LCD ...

Page 56: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 17 ...

Page 57: ...ation 9 18 9 8 Receiver Part Receiver does not work Are the signal at C511 C513 pins OK Check the signal at 15 17 pins of U500 Change the PBA END No Yes Check the signal at 45 47 pins of LCD Connector on LCD module Replace con to con FPCB Yes No Yes Check the Speaker contact pins No Replace Speaker Yes Yes Check the supply voltage of U500 No ...

Page 58: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 19 ...

Page 59: ...be used without Samsung s authorization 9 20 9 9 LCD Part GPIOA25 pin of UCP200 backlight is high Replace the LCD backlight IC END No Yes Yes LCD does not work Check soldering between the board pad and LCD pad HEA301 Rearrange the soldering pad HEA301 s connection No Yes Is it working Check LCD Module No Yes ...

Page 60: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 21 ...

Page 61: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 22 ...

Page 62: ...rt Camera function does not work Yes No Reconnect the camera module Check the Camera connector on LCD module Yes Check the voltage of 1 pin of Camera connector on LCD Module 2 8V No Check the CAM_LDO U101 on LCD Module Yes Check the 2 8 pins clock of Camera connector on LCD Module No Check the related circuit of U300 Yes Is it working No Change Camera Module END Yes ...

Page 63: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 24 ...

Page 64: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 25 ...

Page 65: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 26 ...

Page 66: ...w Chart of Troubleshooting 9 27 9 11 Trans Flash Card part T Flash card does not work Yes No Change the PBA Check the 21 pin of U400 2 8V Yes Check the clock at 4 pin of U603 No Check the related circuit Yes Check the 10 pin of T SIM600 is high No Check the related circuit Yes Is it working No Change T Flash Card END Yes ...

Page 67: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 28 ...

Page 68: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 29 ...

Page 69: ...ent can not be used without Samsung s authorization 9 30 9 12 Bluetooth part END Yes Change the Bluetooth Module U602 No Is it working Yes Check the contact pin No Check the contact of Bluetooth Intenna ANT600 Yes Check the BT_INT pin of U602 is high Change the U602 No Yes Bluetooth does not work ...

Page 70: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 31 ...

Page 71: ...without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 32 9 13 Main Key LED part END Yes Is it working Yes Check the 6 pin of U404 is high Check the U404 No Yes Main key LED does not work ...

Page 72: ...ceiver RX ON RF input CH center freq Amp 50dBm Yes No Resolder RFS100 C102 L100 MODULE1 Pin10 65dBm Yes Check ANT Switch control circuit MODULE1 pin3 4 65dBm Check MODULE1 pin13 L pin14 L No No Yes Yes Resoder MODULE1 No Resolder L101 L103 L104 U101 pin27 70dBm pin28 70dBm Yes No Resolder U101 or Check pins related to U101 U103 pin 1 2 3 4 500mV Yes Check UCP200 END ...

Page 73: ...ND Yes No No Yes U103 pin 1 2 3 4 500mV Resolder or Change U100 U100 pin 9 Yes Yes No Yes Yes Yes No No Yes No No No Check VBAT or PAM control signal Resolder or Change PAM100 Check VBAT Yes Resolder L114 C127 C128 Check ANT Switch control circuit Change or Resolder MODULE1 C107 C108 3 V TA101 F101 3 5V U100 pin9 20dBm MODULE1 pin15 20dBm Check MODULE1 pin14 H 2 68V pin13 L TX ON 5 Level Resolder ...

Page 74: ...iver Check UCP200 No No No No Yes Yes Yes Yes Yes Resolder U101 or Check pins related to U101 Resolder L108 L109 L110 Resoder MODULE1 Check ANT Switch control circuit U101 pin24 70dBm pin25 70dBm U101 pin 1 2 3 4 500mV MODULE1 pin5 6 65dBm Check MODULE1 pin14 L pin13 L RX ON RF input CH center freq Amp 50dBm Yes No END Resolder RFS100 C102 L100 MODULE1 Pin10 65dBm ...

Page 75: ...10 13 dBm Resolder RFS100 C102 L100 END Yes No No Yes U103 pin 1 2 3 4 500mV Resolder or Change U100 U100 pin 10 8dBm Yes Yes No Yes Yes Yes No No Yes No No No Check VBAT or PAM control signal Resolder or Change U100 Check VBAT Yes Resolder L113 C131 C124 Check ANT Switch control circuit Change or Resolder MODULE1 C107 C108 3 V TA101 F101 3 5V U100 pin10 13 dBm MODULE1 pin12 13 dBm Check MODULE1 p...

Page 76: ...iver Check UCP200 No No No No Yes Yes Yes Yes Yes Resolder U101 or Check pins related to U101 Resolder L105 L106 L107 Resoder MODULE1 Check ANT Switch control circuit U101 pin22 70dBm pin23 70dBm U101 pin 1 2 3 4 500mV MODULE1 pin7 8 65dBm Check MODULE1 pin14 L pin13 L RX ON RF input CH center freq Amp 50dBm Yes No END Resolder RFS100 C102 L100 MODULE1 Pin10 65dBm ...

Page 77: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 38 ...

Page 78: ...K Binary Phase Shift Keying CA Conditional Access CDM Code Division Multiplexing C I Carrier to Interference DMB Digital Multimedia Broadcasting EN European Standard ES Elementary Stream ETSI European Telecommunications Standards Institute MPEG Moving Picture Experts Group PN Pseudo random Noise PS Pilot Symbol QPSK Quadrature Phase Shift Keying RS Reed Solomon SI Service Information TDM Time Divi...

Page 79: ...SAMSUNG Proprietary Contents may change without notice Reference data 10 2 This Document can not be used without Samsung s authorization ...

Page 80: ...msung Electronics Co Ltd 2006 11 Rev 1 0 ⓒ This Service Manual is a property of Samsung Electronics Co Ltd Any unauthorized use of Manual can be punished under applicable International and or domestic law ...

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