Samsung SGH-E480 Скачать руководство пользователя страница 39

Страница: 39 / 71

SAMSUNG Proprietary-Contents may change without notice

9. Flow Chart of Troubleshooting

This Document can not be used without Samsung's authorization

9-1

9-1. Power On

Yes

Check the initial operation

Yes

Check the clock generation circuit

(related to

U100

)

Check for the clock at

C131

= 26MHz

Yes

Check the +VDD_GSM_CORE circuit

C426

(+VDD_GSM_CORE)

= 1.2V?

Yes

Check the related circuit

C400

(+VDD_IO_LOW) &

C405(

+VDD_IO_HIGH) = "H"?

Yes

Resolder

OSC400

Check the Clock at

R410

=32.768KHZ

Yes

Check the PMU related to BAT400

C412

(BAT400) = 2.7V?

Yes

END

Change the Battery

' Power On ' does not work

Check the Battery Voltage

is more than 3.4V

Содержание SGH-E480

Страница 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 ...

Страница 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 2 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 ...

Страница 3: ...rt MPC SPK 9 11 9 7 Key Data Input 9 13 9 8 Receiver Part 9 14 9 9 LCD Part 9 16 9 10 Camera Part 9 18 9 11 Trans Flash Card Part 9 20 9 12 Bluetooth Part 9 22 9 13 Main Key LED Part 9 23 9 14 GSM Receiver 9 24 9 15 GSM Transmitter 9 25 9 16 DCS Receiver 9 26 9 17 DCS Transmitter 9 27 9 18 PCS Receiver 9 28 9 19 PCS Transmitter 9 29 10 Reference data ...

Страница 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...

Страница 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...

Страница 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...

Страница 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 PCS1800 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 ...

Страница 8: ...be used without Samsung s authorization Main Function 1 3 Megapixel Camera 65536 Color TFT Screen Video Recording Messaging Music Player MP3 AAC AAC Bluetooth Wireless Technology FM radio Multimedia Message Service MMS E mail Voice recorder Java2 0 WAP2 0 Tri band 900 1800 1900MHz SpeakerPhone 64Poly ...

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

Страница 10: ...ry Contents may change without notice 4 Array course control 4 1 This Document can not be used without Samsung s authorization 4 1 Software Adjustments Power Supply Cable Serial Cable CSA LL64151 A Test Jig GH80 03306A ...

Страница 11: ...ader_v12Lite_for_E480XAFJ3 exe E480 Mobile Phone Data Cable Binary file TFS file 4 2 2 S W Downloader Program Load the binary download program by executing the OneNAND_Downloader_v12Lite_for_E480XAFJ3 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...

Страница 12: ...SAMSUNG Proprietary Contents may change without notice Array course control 4 3 This Document can not be used without Samsung s authorization 3 Select the file s what you want to download ...

Страница 13: ...SAMSUNG Proprietary Contents may change without notice Array course control 4 4 This Document can not be used without Samsung s authorization ...

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

Страница 15: ... LCD UPPER 1 GH73 08731A QLR03 RMO RUBBER LCD LOWER GH73 08599A QME03 UNIT CON TO CON GH59 03404A QMO01 MOTOR DC SGHE690 GH31 00282A QMP01 PBA MAIN SGH E480 GH92 03239A QMW01 ASSY COVER WINDOW MAIN GH98 02938A QRE01 ASSY CASE REAR GH98 02937A QRF01 PMO RF CAP GH72 35614A QSC01 MPR TAPE GH74 26708A QSC05 RMO RUBBER FOLDER SCREW CAP L GH73 08520A QSC06 RMO RUBBER FOLDER SCREW CAP R GH73 08521A QSC13...

Страница 16: ...A MANUAL USERS EU RUSSIAN GH68 12884A BOX UNIT SER GH69 04578A CUSHION CASE EU GH69 04682A RMO RUBBER LCD UPPER 2 GH73 09013A MPR REMOVE TAPE LCD GH74 13804A CONE TAPE SUB LCD INSUL GH74 19756A MPR VINYL BOHO SIDE KEY GH74 21328A MPR INSU TAPE GH74 24458A MPR GASK TAPE GH74 25025A MPR VINYL BOHO LOWER OUT GH74 25487A MPR VINYL BOHO STA ELE SUB WIN GH74 25811A MPR INSU TAPE MAIN BOARD GH74 27021A M...

Страница 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 ...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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 ...

Страница 22: ...tric conduction 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 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 two faces Ta...

Страница 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...

Страница 24: ... 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 Press Camera until it is sonant Click 1 Be careful not to get a damage of Con To Con 1 During Solder speaker and vibrator concern about polarity 1 paint a little of adhesive on soldering parts 10 9 11 1 Assemble Camera 12 1 Insert Con To Con first to the Lower ...

Страница 25: ...n substances may not come into the Main Lcd 1 Be careful 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 cases 15 1 Assemble Hooker by left right side and Hinge in order 16 1 Drive 2 screws on Folder 2 Assemble 2 screw covers on Folder 13 1 After checking up foreign substances of Window assemble Motor Speaker Camera 14 1 Combine Lower and ...

Страница 26: ...of Con To Con 1 Be careful not to get a damage of Case 1 Insert KeyPad according to the Front standard rib 1 Confirm first whether volume and camera key has attached 2 Be careful not to get a damage of Case 17 1 Insert the Con To Con to front hole 18 1 Assemble the folder to Front case 19 20 1 Insert the KeyPad From lower part 1 Insert the Shield Can From lower part 2 Insert right side volume key ...

Страница 27: ... 2 SCREW TORQUE 0 7 0 9 kgf cm 1 Take care so that Con To Con may not attach Tape Con To Con must be flexible to the left and right 1 Be Careful not to get damage of Connector 21 1 Insert Con To Con to the Shield Can Hole before assembling the Shield Can 22 1 Tighten two Points of Screw on Shield Can 23 1 When attaching a black insulation Tape insert left side upper part of the tape first 1 Assemb...

Страница 28: ...E 1 0 1 2 kgf cm 1 Be Careful not to get damage of Con To Con 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 Thighten two Points of screw of the PBA after inserting PBA and Intenna into the Front hall 25 1 Assemble two Connectors 26 27 1 Assemble Rear Case SET 1 driv...

Страница 29: ...ntents may change without notice Exploded View Disassembly Assembly Instructions 5 16 This Document can not be used without Samsung s authorization 1 Be careful not to get a damage of case 1 Insert Screw Caps by pincette 29 ...

Страница 30: ... SA C123 C CER CHIP 2203 005482 SA C125 C CER CHIP 2203 001221 SA C126 C CER CHIP 2203 005482 SA C128 C CER CHIP 2203 000233 SA C131 C CER CHIP 2203 000233 SA C132 C CER CHIP 2203 005281 SA C133 C CER CHIP 2203 005482 SA C201 C CER CHIP 2203 005482 SA C202 C CER CHIP 2203 000812 SA C203 C CER CHIP 2203 005482 SA C204 C CER CHIP 2203 005482 SA C205 C CER CHIP 2203 005482 SA C206 C CER CHIP 2203 005...

Страница 31: ... CER CHIP 2203 006257 SA C412 C CER CHIP 2203 000233 SA C413 C CER CHIP 2203 006257 SA C414 C CER CHIP 2203 006562 SA C415 C CER CHIP 2203 006348 SA C416 C CER CHIP 2203 000550 SA C417 C CER CHIP 2203 000550 SA C418 C CER CHIP 2203 006466 SA C419 C CER CHIP 2203 006466 SA C420 C CER CHIP 2203 006257 SA C421 C CER CHIP 2203 006324 SA C422 C CER CHIP 2203 006423 SA C423 C CER CHIP 2203 006562 SA C42...

Страница 32: ...CHIP 2203 006123 SA C607 C CER CHIP 2203 006123 SA C608 C CER CHIP 2203 006123 SA C609 C CER CHIP 2203 006123 SA C610 C CER CHIP 2203 006123 SA C611 C CER CHIP 2203 006123 SA C612 C CER CHIP 2203 006123 SA C613 C CER CHIP 2203 006123 SA C614 C CER CHIP 2203 006562 SA C615 C CER CHIP 2203 006423 SA C616 C CER CHIP 2203 005482 SA C617 C CER CHIP 2203 006423 SA C618 C CER CHIP 2203 000425 SA C619 C C...

Страница 33: ...R201 R CHIP 2007 000143 SA R204 R CHIP 2007 000171 SA R205 R CHIP 2007 000148 SA R206 R CHIP 2007 000148 SA R209 R CHIP 2007 000140 SA R212 R CHIP 2007 000170 SA R213 R CHIP 2007 000148 SA R214 R CHIP 2007 000170 SA R215 R CHIP 2007 001319 SA R217 R CHIP 2007 001319 SA R218 R CHIP 2007 000758 SA R221 R CHIP 2007 000171 SA R223 R CHIP 2007 000758 SA R227 R CHIP 2007 000171 SA R301 R CHIP 2007 00016...

Страница 34: ...CHIP 2007 008055 SA R525 R CHIP 2007 008542 SA R526 R CHIP 2007 002796 SA R527 R CHIP 2007 002796 SA R528 R CHIP 2007 008045 SA R529 R CHIP 2007 008045 SA R530 R CHIP 2007 008542 SA R531 R CHIP 2007 008542 SA R532 R CHIP 2007 003010 SA R533 R CHIP 2007 003010 SA R534 R CHIP 2007 003010 SA R602 R CHIP 2007 000162 SA R603 R CHIP 2007 000140 SA R604 R CHIP 2007 000159 SA R605 R CHIP 2007 008055 SA R6...

Страница 35: ...WER SUPERVISOR 1203 004382 SA U404 IC POSI FIXED REG 1203 003737 SA U500 IC AUDIO AMP 1201 002492 SA U501 IC DEMODULATOR 1204 002688 SA U502 IC ANALOG SWITCH 1001 001231 SA U503 IC ANALOG SWITCH 1001 001231 SA UCP200 IC COMM CONTROLLER 1205 003082 SA UME301 IC MCP 1108 000080 SA VR500 VARISTOR 1405 001082 SA VR501 VARISTOR 1405 001177 SA VR600 THERMISTOR NTC 1404 001221 SA VR601 VARISTOR 1405 0010...

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

Страница 37: ...SAMSUNG Proprietary Contents may change without notice 8 PCB Diagrams 8 1 This Document can not be used without Samsung s authorization Top ...

Страница 38: ...SAMSUNG Proprietary Contents may change without notice PCB Diagrams 8 2 This Document can not be used without Samsung s authorization Bottom ...

Страница 39: ...the clock generation circuit related to U100 Check for the clock at C131 26MHz Yes No Check the VDD_GSM_CORE circuit C426 VDD_GSM_CORE 1 2V Yes No Check the related circuit C400 VDD_IO_LOW C405 VDD_IO_HIGH H Yes No Resolder OSC400 Check the Clock at R410 32 768KHZ Yes No Check the PMU related to BAT400 C412 BAT400 2 7V Yes No END Change the Battery Power On does not work Check the Battery Voltage ...

Страница 40: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 2 ...

Страница 41: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 3 ...

Страница 42: ...t can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 4 9 2 Initial IS U403 RSTON H Initial Failure Check the circuit related to reset END No Yes Is UCP200 R215 R217 2 9V Yes Yes No Check the UCP200 Check the 16bit data signal memory CE Yes ...

Страница 43: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 5 ...

Страница 44: ...g s authorization Flow Chart of Troubleshooting 9 6 9 3 Charging Part Yes Check the circuit related to V_EXT_CHARGE Yes No Is VBAT voltage going up Yes No Abnormal charging part Check the C418 4 9V Yes Check the circuit related to V_EXT_CHARGE Yes No Yes No END Abnormal charging part Change the U403 ...

Страница 45: ...hout Samsung s authorization 9 7 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 ...

Страница 46: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 8 ...

Страница 47: ...This Document can not be used without Samsung s authorization 9 9 9 5 Microphone Part Check the connection from MIC Check the circuit from UCP200 to MIC Resolder MIC Resolder the C512 C517 L506 and L508 END No Yes Yes Yes Yes No Check the MIC No Replace the MIC Microphone does not work ...

Страница 48: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 10 ...

Страница 49: ...art MP3 SPK Are the signal at C525 C528 pins OK Speaker does not work Check the signal at 15 17 Pins of U500 Check the supply voltage of U500 No Yes No Check the supply voltage of UCP200 and main clock 26MHz Yes Check the signal at 45 47 pins of LCD Connector on LCD module Replace con to con FPCB No Yes END Yes Check the Speaker contact pins Replace Speaker No Yes ...

Страница 50: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 12 ...

Страница 51: ...ocument can not be used without Samsung s authorization 9 13 9 7 Key Data Input When one of the keys is pushed is it displayed on LCD Check the Dome sheet Key Pad END No Yes Yes Check Initial Operation When one of the keys is pushed KEY_ROW 0 4 KEY_COL 0 4 signal is OK Replace the PBA No Yes ...

Страница 52: ...oting 9 14 9 8 Receiver Part Are the signal at C525 C528 pins OK Receiver does not work Check the signal at 15 17 Pins of U500 Check the supply voltage of U500 No Yes No Change the PBA Yes Check the signal at 45 47 pins of LCD Connector on LCD module Replace con to con FPCB No Yes END Yes Check the Speaker contact pins Replace Speaker No Yes ...

Страница 53: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 15 ...

Страница 54: ...rization Flow Chart of Troubleshooting 9 16 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 HDC600 Rearrange the soldering pad HDC S connection No Yes Is it working Check the LCD module No Yes ...

Страница 55: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 17 ...

Страница 56: ...eck the Camera connector on LCD module Reconnect the camera module END No Yes Yes Camera function does not work Check the voltage of 16 pin of Camera connector on LCD module 2 8V Check the 6 7 pins clock of Camera connector on LCD module Is it working Yes Check the CAM_LDO U100 U101 on LCD module No No No Check the related circuit of U304 Yes Change the camera module Yes ...

Страница 57: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 19 ...

Страница 58: ... Flow Chart of Troubleshooting 9 20 9 11 Trans Flash Card part T Flash card does not work Yes No Change the PBA C411 VDD_SD 2 8V Yes Check the clock at 5 pin of T SIM600 No Check the related circuit Yes Check the 10 pin of T SIM600 is high No Check the related circuit Yes Is it working END Yes Change T Flash Card No ...

Страница 59: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 21 ...

Страница 60: ...uthorization Flow Chart of Troubleshooting 9 22 9 12 Bluetooth part Bluetooth does not work Check the BT_INT pin of UCP200 is high Yes Change the U303 No Check the contact of Bluetooth Intenna ANT300 UCP200 is high Yes Is it working Yes Change the contact pin Change the Bluetooth Module U303 No No Yes END ...

Страница 61: ...without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 23 9 13 Main Key LED part Main key LED does not work Yes No Change the U404 Check the 6 pin of U404 is high Yes Is it working Yes END ...

Страница 62: ...F input CH center freq 67 7kHz Amp 50dBm Yes F100 Pin13 65dBm No Resolder RFS100 C103 Yes Check ANT Switch control circuit F100 1 2 68dBm Check F100 pin9 pin11 L No No Yes Yes Resolder F100 No Resolder C108 C109 L105 U100 pin 24 70dBm pin 25 70dBm Yes No U100 pin 11 29 36 2 8V U101 pin 4 5 6 7 1V No Check Resolder U101 RF26MHz RF PSU Part Yes Yes Resolder U100 Check UCP200 END ...

Страница 63: ...0 END No No No No No No No No Yes Yes Yes Yes Yes Yes Yes Check Resolder RFLO signal RF13MHz RF PSU Part Check VBAT or PAM control signal Resolder or Change F100 Check F100 OK Yes U101 pin 4 5 6 7 1V Resolder or Change PAM100 Check ANT Switch control circuit Change or Resolder L106 C110 C121 PAM100 pin7 11dBm PAM100 pin9 18dBm F100 pin10 18dBm Check F100 pin11 H 2 6V 9 L TX ON 5Level Resolder RFS1...

Страница 64: ...00 pin9 H pin11 L Check UCP200 No No No No No Yes Yes Yes Yes Yes Yes Resolder U100 Check Resolder U100 RF26MHz RF PSU Part U101 pin 11 29 36 2 8V Resolder C104 C105 L104 Resolder F100 Check ANT Switch control circuit U100 pin 22 70dBm pin 23 70dBm U100 pin 4 5 6 7 1V F100 3 4 68dBm RX ON RF input CH center freq 67 7kHz Amp 50dBm Yes No END Resolder RFS100 C103 F100 Pin13 65dBm ...

Страница 65: ...00 END No No No No No No No No Yes Yes Yes Yes Yes Yes Yes Check Resolder RFLO signal RF13MHz RF PSU Part Check VBAT or PAM control signal Resolder or Change F100 Check F100 OK Yes U101 pin 4 5 6 7 1V Resolder or Change PAM100 Check ANT Switch control circuit Change or Resolder C132 C112 C113 PAM100 pin1 11dBm PAM100 pin10 18dBm F100 pin13 18dBm Check F100 pin11 L 2 6V 9 H TX ON 5Level Resolder RF...

Страница 66: ... input CH center freq 67 7kHz Amp 50dBm Yes F100 Pin13 65dBm No Resolder RFS100 C103 Yes F100 5 6 68dBm Check F100 pin11 L pin9 H No No Check ANT Switch control circuit Yes Yes Resolder F100 U100 pin 20 70dBm pin 21 70dBm No Resolder C101 C102 L103 Yes U100 pin 11 29 36 2 8V U100 pin 4 5 6 7 1V No No Check Resolder U100 RF26MHz RF PSU Part Yes Yes Resolder U100 Check UCP200 END ...

Страница 67: ...0 C103 Yes F100 pin8 18dBm Check F100 pin11 L 2 6V 9 H No No Check ANT Switch control circuit Yes Change or Resolder C132 C112 L113 Yes PAM100 pin10 18dBm No Resolder or Change PAM100 Yes Check F100 OK PAM100 pin1 11dBm No No Resolder or Change F100 Check VBAT or PAM control signal Yes Yes U100 pin 11 29 36 2 8V U101 pin 4 5 6 7 1V No No Check Resolder RFLO signal RF13MHz RF PSU Part Resolder U100...

Страница 68: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 30 ...

Страница 69: ...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...

Страница 70: ...SAMSUNG Proprietary Contents may change without notice Reference data 10 2 This Document can not be used without Samsung s authorization ...

Страница 71: ...msung Electronics Co Ltd 2007 01 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 ...

Результаты поиска

Содержание SGH-E480

Отзывы:

Похожие инструкции для SGH-E480

Бренды по названию

Популярные бренды

Samsung SGH-E480, Руководство по обслуживанию

Результаты поиска

Содержание SGH-E480

Отзывы:

Похожие инструкции для SGH-E480

Бренды по названию

Популярные бренды