Samsung SGH-i450 Service Manual Download Page 1

Page: 1 / 92

GSM TELEPHONE

SGH-i450

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

Summary of Contents for SGH-i450

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 2007 10 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: ...0562 10838 Tx Rx spacing 10MHz 20MHz 20MHz 130MHz 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 HPSK MS Power 33dBm 5dBm 30dBm 0dBm 30dBm 0dBm 24dBm 50dBm Power Class 4 max 33dBm 1 max 30...

Page 6: ... 8 4 dBm 12 6 4 dBm 13 4 4 dBm 14 2 5 dBm 15 0 5 dBm TX Power control level GSM850 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 d...

Page 7: ...ooth v2 0 EDR USB v2 0 HS compatible Camera 2Mega x 16 Digital Zooming and camcorder FM Radio Instant Messaging capability E mail Featured applications provide alarms calendar calculator record audio converter timer stopwatch and world time File viewer MS office PDF Multimedia Message Service MMS Multimedia capability with included Media player Photo caller ID Speakerphone capability WEB WAP brows...

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: ...horization 4 1 Software 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 Impulse GH39 00890A 4 Power Cable JIG to power supply 5 Serial Cable JIG to PC 6 Power Supply 7 Rf Cable Impulse to Agilent 8960 or CMU200 GH39 00397A ...

Page 10: ... Contents may change without notice Array course control 4 2 This Document can not be used without Samsung s authorization Second Set USB Data Link Cable Impulse to PC GH39 00922A Standard Battery for Impulse GH43 02985A ...

Page 11: ...ent can not be used without Samsung s authorization 4 2 Software Download 4 2 1 Pre requisite for Download SGH i450 Mobile Device Apollo v4 01 exe Downloader Application for SGH i450 USB Download Driver SS60_Downloader_Driver zip Rom Image PDA IMG MODEM BIN images Equipment set for Download ...

Page 12: ...creen with some information MODEM download Hold 7 keys and power on Blinking MODEM DOWNLOAD on blue screen All download Hold 4 7 keys and power on Blinking ALL DOWNLOAD on blue screen For PDA image download the phone shows download progress on the screen For MODEM image download the phone shows RGBW B Screen For All download mode MODEM image is downloaded first and then PDA downloading starts Afte...

Page 13: ...tall PDA side driver Follow New H W Installation Manager Select IBootHostUSB inf file under i450_Apollo_Drivers PDA_driver folder when Windows asks for new h w driver It is safe to choose Yes for the waring window Confirm SAMSUNG BlueFin USB Downloader Installed Refer to Next Page If Windows doesn t ask for USB driver it means USB driver installation was failed before Open Hardware Manager then de...

Page 14: ...SAMSUNG Proprietary Contents may change without notice Array course control 4 6 This Document can not be used without Samsung s authorization ...

Page 15: ... USB Driver installation for MODEM Hold 7 key and insert power supplied test cable when use equipment set 1 or Hold 7 key and press power on key when use equipment set 2 Install Modem side driver Execute Setup exe file under i450_Apollo_Drivers PHONE_driver folder when Windows asks for new h w driver Confirm SAMSUNG USB Composite Device Installed ...

Page 16: ...SAMSUNG Proprietary Contents may change without notice Array course control 4 8 This Document can not be used without Samsung s authorization 4 2 5 USB Driver installation ...

Page 17: ...hange without notice Array course control 4 9 This Document can not be used without Samsung s authorization 4 2 6 Download the image using APOLLO Execution Apollo exe Select a Rom Image to download Check this field 1 SGH i450 above GH4 ...

Page 18: ...is Document can not be used without Samsung s authorization Select the proper check option PDA stasus Bootloader Update PDA Bootloader section NV Clear IMEI section erase You can see following message when you click this option MODEM Status Boot Update Update Modem Bootloader section ...

Page 19: ...g s authorization Make sure that phone and host computer connection click proper download button PDA download Hold 1 4 keys and power on Blue screen with some information MODEM download Hold 7 keys and power on Blinking MODEM DOWNLOAD on blue screen All download Hold 4 7 keys and power on Blinking ALL DOWNLOAD on blue screen ...

Page 20: ...ol 4 12 This Document can not be used without Samsung s authorization Do NOT interrupt downloading process Pda download time About 1 min Modem download time About 2 min All download time About 3 min Confirm Download Complete SGH i450 will be reboot when PDA download complete ...

Page 21: ... SGH i450 Consult to R D team Download stops in the middle Close and launch Apollo again then try again Check the battery is charged enough Download doesn t start Check the connection between Apollo and a SGH i450 Check the image that is not damaged Select an image and download again Phone doesn t boot up after downloading Check the release version of PDA and MODEM They should be same Make sure th...

Page 22: ...SAMSUNG Proprietary Contents may change without notice Array course control 4 14 This Document can not be used without Samsung s authorization ...

Page 23: ...s Document can not be used without Samsung s authorization 5 1 Cellular phone Exploded View QMW01 QFR01 QCR12 QCK02 QVO01 QCA01 QSP01 QSH03 QCR06 QFU01 QKP01 QMO01 QLC01 QPC01 QCR12 QFL04 QAR01 QCA02 QFL01 QRE01 QCR06 QBA01 QBA00 QCR58 QMP01 QAN05 QMI01 QCK01 QSH01 QSH02 QSD01 QIF01 QHI01 QRF03 ...

Page 24: ...ER GH98 05825A QFL04 ASSY COVER DAMPER LOWER GH98 05983A QFR01 ASSY CASE FRONT GH98 05826A QFU01 ASSY CASE SLIDE UPPER EU GH98 06919A QHI01 ASSY HINGE PLATE GH98 05828A QIF01 PMO COVER IF GH72 43297A QKP01 ASSY KEYPAD SUB BLK OPEN GH98 05830A QLC01 LCD MODULE SGHI450 GH07 01220A QMI01 MICROPHONE ASSY SGHI450 GH30 00419A QMO01 MOTOR DC SGHI450 GH31 00374A QMP01 PBA MAIN SGHI450 GH92 04056A QMW01 PC...

Page 25: ...REW CAP TOP GH74 33828A VINYL BOHO MAIN WINDOW GH74 35470A VINYL BOHO LCD GH74 36156A VINYL BOHO WINDOW 2 GH74 36177A LABEL R WATER SOAK GH68 09361A TAPE INSU GH74 18422A TAPE LCD 2 GH74 36773A TAPE ELEC FRONT GH74 36844A VINYL BOHO SPK CASE GH74 36870A BAG PE 6902 000634 LABEL P IMEI GH68 01335D LABEL R MAIN EU GH68 16413B CUSHION CASE EU GH69 05999A BOX UNIT EU GH69 06068B LABEL P UNIT SEAL GH68...

Page 26: ...SAMSUNG Proprietary Contents may change without notice Exploded View and Parts List 5 4 This Document can not be used without Samsung s authorization ...

Page 27: ...05682 C113 C CER CHIP SA 2203 000233 C114 C CER CHIP SA 2203 000330 C115 C CER CHIP SA 2203 000438 C116 C CER CHIP SA 2203 006048 C117 C CER CHIP SA 2203 000627 C118 C CER CHIP SNA 2203 000812 C119 C CER CHIP SA 2203 001437 C120 C CER CHIP SA 2203 005382 C121 C CER CHIP SA 2203 005382 C122 C CER CHIP SA 2203 005682 C124 C CER CHIP SA 2203 006423 C127 C CER CHIP SA 2203 001072 C128 C CER CHIP SA 22...

Page 28: ...06399 C175 C CER CHIP SA 2203 006399 C176 C CER CHIP SA 2203 006399 C177 C CER CHIP SA 2203 000330 C178 C CER CHIP SA 2203 006137 C179 C CER CHIP SA 2203 006841 C180 C CER CHIP SA 2203 005682 C182 C CER CHIP SA 2203 001259 C184 C CER CHIP SA 2203 003054 C186 C CER CHIP SA 2203 000233 C188 C CER CHIP SA 2203 000330 C189 C CER CHIP SA 2203 000812 C190 C CER CHIP SA 2203 000627 C191 C CER CHIP SNA 22...

Page 29: ...6423 C290 C CER CHIP SA 2203 006838 C301 C CER CHIP SA 2203 006824 C302 C CER CHIP SA 2203 000233 C303 C CER CHIP SA 2203 000330 C304 C CER CHIP SA 2203 000330 C305 C CER CHIP SA 2203 005482 C306 C CER CHIP SA 2203 006841 C313 C CER CHIP SA 2203 006841 C314 C CER CHIP SA 2203 002709 C315 C CER CHIP SA 2203 006474 C316 C CER CHIP SA 2203 002709 C317 C CER CHIP SA 2203 006208 C318 C CER CHIP SA 2203...

Page 30: ...3 003054 C501 C CER CHIP SA 2203 003054 C502 C CER CHIP SA 2203 003054 C503 C CER CHIP SA 2203 000812 C504 C CER CHIP SA 2203 000812 C505 C CER CHIP SA 2203 000812 C506 C CER CHIP SA 2203 006399 C507 C CER CHIP SA 2203 005682 C508 C CER CHIP SA 2203 006423 C509 C CER CHIP SA 2203 006423 C510 C CER CHIP SA 2203 006423 C511 C CER CHIP SA 2203 000812 C512 C CER CHIP SA 2203 000812 C513 C CER CHIP SA ...

Page 31: ...6824 C611 C CER CHIP SA 2203 006824 C612 C CER CHIP SA 2203 006562 C616 C CER CHIP SA 2203 006681 C618 C CER CHIP SA 2203 006885 C619 C CER CHIP SA 2203 000643 C620 C CER CHIP SA 2203 003054 C621 C CER CHIP SA 2203 003054 C622 C CER CHIP SA 2203 000438 C623 C CER CHIP SA 2203 006824 C624 C CER CHIP SA 2203 006824 C625 C CER CHIP SA 2203 006562 C626 C CER CHIP SA 2203 006562 C627 C CER CHIP SA 2203...

Page 32: ... CER CHIP SA 2203 006825 C841 C CER CHIP SA 2203 006423 C842 C CER CHIP SA 2203 006423 C843 C CER CHIP SA 2203 006423 C852 C CER CHIP SA 2203 006562 C853 C CER CHIP SA 2203 006562 C854 C CER CHIP SA 2203 006423 C855 C CER CHIP SA 2203 006423 C856 C CER CHIP SA 2203 006423 C857 C CER CHIP SA 2203 006423 C858 C CER CHIP SA 2203 006423 C859 C CER CHIP SA 2203 006423 C860 C CER CHIP SA 2203 006423 C86...

Page 33: ...N CLIP SA GH70 02640A FPC109 ICT SHIELD CAN CLIP SA GH70 02640A FPC110 ICT SHIELD CAN CLIP SA GH70 02640A FPC111 ICT SHIELD CAN CLIP SA GH70 02640A FPC112 ICT SHIELD CAN CLIP SA GH70 02640A FPC113 ICT SHIELD CAN CLIP SA GH70 02640A FPC114 ICT SHIELD CAN CLIP SA 3711 005945 HDC700 HEADER BOARD TO BOARD SA 3711 005643 HDC701 HEADER BOARD TO BOARD SA 3711 005550 HDC702 HEADER BOARD TO BOARD SA 3711 0...

Page 34: ...13 L602 INDUCTOR SMD SA 2703 002368 L603 INDUCTOR SMD SA 2703 002368 L604 INDUCTOR SMD SA 1205 003169 MOD100 IC DATA COMM GEN SA 2801 004455 OSC100 CRYSTAL SMD SA 2801 004466 OSC301 CRYSTAL SMD SA 2801 004466 OSC400 CRYSTAL SMD SA 2804 001736 OSC401 OSCILLATOR CLOCK SA 1201 002446 PAM100 IC POWER AMP SA 1201 002531 PAM101 IC POWER AMP SA 2007 000172 R100 R CHIP SA 2007 003020 R1002 R CHIP SA 2007 ...

Page 35: ...070 R300 R CHIP SA 2007 000157 R305 R CHIP SA 2007 008213 R307 R CHIP SA 2007 008043 R308 R CHIP SA 2007 007468 R312 R CHIP SA 2007 009171 R313 R CHIP SA 2007 009171 R316 R CHIP SA 2007 000157 R321 R CHIP SA 2007 000157 R322 R CHIP SA 2007 000157 R323 R CHIP SA 2007 000157 R324 R CHIP SA 2007 000157 R325 R CHIP SA 2007 000157 R326 R CHIP SA 2007 000162 R327 R CHIP SA 2007 008806 R328 R CHIP SA 200...

Page 36: ...9793 R524 R CHIP SA 2007 009793 R525 R CHIP SA 2007 000164 R600 R CHIP SA 2007 000164 R601 R CHIP SA 2007 001298 R602 R CHIP SA 2007 000171 R603 R CHIP SA 2007 001298 R604 R CHIP SA 2007 007107 R609 R CHIP SA 2007 007107 R610 R CHIP SA 2007 008419 R614 R CHIP SA 2007 008419 R615 R CHIP SA 2007 008419 R616 R CHIP SA 2007 008055 R617 R CHIP SA 2007 007981 R618 R CHIP SA 2007 000170 R621 R CHIP SA 20...

Page 37: ...IP SA 2404 001381 TA800 C TA CHIP SA 2404 001381 TA801 C TA CHIP SA 3404 001317 TAC700 SWITCH TACT SA 3404 001303 TAC701 SWITCH TACT SA 3404 001303 TAC702 SWITCH TACT SA 3404 001303 TAC703 SWITCH TACT SA 2809 001280 TCX101 OSCILLATOR VCTCXO SA 1404 001221 TH200 THERMISTOR NTC SA 0504 000168 TR301 TR DIGITAL SA 0504 000168 TR302 TR DIGITAL SA 0505 001165 TR600 FET SILICON SA 0504 000168 TR601 TR DI...

Page 38: ...004956 U903 IC DC DC CONVERTER SA 1205 003215 UCP201 IC MODEM SA 0904 002295 UCP800 IC DSP SA 1108 000127 UME200 IC MCP SA 1106 001511 UME900 IC SRAM SA 0406 001223 ZD501 DIODE TVS SA 0406 001223 ZD502 DIODE TVS SA 0406 001223 ZD503 DIODE TVS SA 0406 001223 ZD504 DIODE TVS SA 0406 001223 ZD505 DIODE TVS SA 0406 001223 ZD506 DIODE TVS SA 0406 001223 ZD507 DIODE TVS SA 0406 001223 ZD600 DIODE TVS SA...

Page 39: ...kHz CMD DAT CLK VBAT UART USB 2 0 HS VBUS V_EXT EAR_KEY nJACK_INT S20 IF CON MIC KBC 0 2 KBR 0 3 MOTOR_EN USB S W UART S W Back Up Battery BKBT VDD1 VPLL1 VTF30 VIO CAM_I F RGB_I F MLCD_RST MLCD_ON I2C I F 2M_STBY VGA_STBY SPI I F FONE_ON30 PHONE_ON PHONE_ON PCM I F PDA MEM NAND 1Gbit SDRAM 512 Mb DLC TA 26 MHz I2S PWR_I2C FM Radio BT_RXD TXD 3 5mm Earjack S20 CON D2 0 7 SLEEP_CLK nMSM_RST FONE_RS...

Page 40: ...Block Diagrams 7 2 This Document can not be used without Samsung s authorization SAMSUNG Proprietary Contents may change without notice 7 2 RF Solution Block Diagram ...

Page 41: ...SAMSUNG Proprietary Contents may change without notice 8 PCB Diagrams 8 1 This Document can not be used without Samsung s authorization Main Top ...

Page 42: ...SAMSUNG Proprietary Contents may change without notice PCB Diagrams 8 2 This Document can not be used without Samsung s authorization Main Bottom ...

Page 43: ...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 operation ...

Page 44: ...ocument can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 2 R621 V_EXT_DIODE 1 2 VIO D600 3 VREG_TCXO_2 8V U611 3 1 2 5 4 D601 VBAT 2 5 6 3 G 4 TR600 1 TA601 TA600 D603 1 2 3 4 5 V_BAT 1 3 2 TR601 PS_HOLD_PU SYSEN IF_CON_SENSE ON_SW ...

Page 45: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 3 9 2 Initial Operation ...

Page 46: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 4 ...

Page 47: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 5 9 3 Sound Operation ...

Page 48: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 6 ...

Page 49: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 7 9 4 Sound On Calling ...

Page 50: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 8 ...

Page 51: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 9 9 5 Camera ...

Page 52: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 10 ...

Page 53: ... without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 11 9 6 Touch Wheel The part of TWL4030 2 ADCs The part of TWL4030 2 ADCs 3 GPIOs The part of OMAP2431 3 GPIOs The part of OMAP2431 ...

Page 54: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 12 9 7 3X4 Key ...

Page 55: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 13 9 8 Micro SD card ...

Page 56: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 14 ...

Page 57: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 15 9 9 LCD ...

Page 58: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 16 ...

Page 59: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 17 9 10 BT ...

Page 60: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 18 ...

Page 61: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 19 9 11 Slide up down ...

Page 62: ...101 Resolder or Change F104 C165 C197 L129 Yes Yes No Check U101 UCP201 Resolder or change F103 L120 END F104 pin7 5 dBm No Check Operating mode No Check UCP201 Check VBAT or Resolder or Change PAM101 Yes Yes Yes PAM101 pin8 15 dBm No PAM101 pin2 30 dBm No F103 pin1 30dBm No 1 Check FEM F101 output 2 Check FEM F101 input 3 Check Duplexer F104 4 Check PAM PAM101 output 5 Check PAM PAM101 input 6 Ch...

Page 63: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 21 ...

Page 64: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 22 ...

Page 65: ...No Resolder or Change F101 Resolder or Change F104 C165 C197 L129 Yes No Yes Check U101 UCP201 Check C141 C145 C144 L112 L114 F106 L117 C143 L113 END F104 pin5 75 dBm Yes No No U101 pin26 75 dBm Yes U101 pin29 75 dBm Yes U101 pin34 35 75dBm Yes 1 Check FEM F101 input 2 Check FEM F101 output 3 Check Duplexer F104 4 Check RTR6275 U101 input 5 Check RTR6275 U101 output 6 Check RTR6275 U101 I Q input ...

Page 66: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 24 ...

Page 67: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 25 ...

Page 68: ...older or Change F101 C100 L115 Yes Yes No Check U101 END PAM100 pin9 5 dBm No Check Vramp OK Resolder PAM100 Check UCP201 Check VBAT or Resolder Change PAM100 Yes No No PAM100 pin7 30 dBm 1 Check FEM F101 output 2 Check FEM F101 input 3 Check PAM PAM100 output 4 Check PAM PAM100 input 5 Check RTR6275 U101 Pin 6 High Pin 5 Low Pin 4 Low Check Operating mode Yes No Resolder or change R129 UCP201 Pin...

Page 69: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 27 Pin 6 High Pin 5 Low Pin 4 Low ...

Page 70: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 28 ...

Page 71: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 29 ...

Page 72: ...es No Check U200 END PAM100 pin16 0 dBm No Check Vramp OK Check VBAT or Resolder Change PAM100 Yes No No PAM100 pin2 25 dBm 1 Check FEM F101 output 2 Check FEM F101 input 3 Check PAM PAM100 output 4 Check PAM PAM100 input 5 Check RTR6275 U101 Pin 6 High Pin 5 High Pin 4 Low Check Operating mode Yes No Pin 5 BS H Pin 6 EN H F101 pin11 0 dBm Resolder RFS101 C105 L101 R105 L132 Check R107 R110 R116 U...

Page 73: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 31 Pin 6 High Pin 5 Low Pin 4 Low ...

Page 74: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 32 ...

Page 75: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 33 ...

Page 76: ...101 pin11 60dBm F101 pin23 24 70 dBm No Yes No Check F101 truth table No Yes Check U101 UCP201 END Yes U101 pin32 33 75 dBm Yes 1 Check FEM F101 input 2 Check FEM F101 output 3 Check RTR6275 U101 input 4 Check RTR6275 U101 MSM6260 UCP201 Resolder or Change L109 L110 L111 No Pin 6 Low Pin 5 Low Pin 4 Low Resolder RFS101 C105 L101 R105 L132 Check R107 R110 R116 UCP201 Resolder or Change F101 ...

Page 77: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 35 Pin 6 High Pin 5 Low Pin 4 Low ...

Page 78: ...01 pin11 60dBm F101 pin19 20 70 dBm No Yes No Check F101 truth table No Yes Check U101 UCP201 END Yes U101 pin38 39 75 dBm Yes 1 Check FEM F101 input 2 Check FEM F101 output 3 Check RTR6275 U101 input 4 Check RTR6275 U101 MSM6260 UCP201 Resolder or Change L103 L104 L105 No Pin 6 Low Pin 5 Low Pin 4 High Resolder RFS101 C105 L101 R105 L132 Check R107 R110 R116 UCP201 Resolder or Change F101 ...

Page 79: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 37 Pin 6 High Pin 5 Low Pin 4 Low ...

Page 80: ...01 pin11 60dBm F101 pin21 22 70 dBm No Yes No Check F101 truth table No Yes Check U101 UCP201 END Yes U101 pin36 37 75 dBm Yes 1 Check FEM F101 input 2 Check FEM F101 output 3 Check RTR6275 U101 input 4 Check RTR6275 U101 MSM6260 UCP201 Resolder or Change L106 L107 L108 No Pin 6 Low Pin 5 High Pin 4 High Resolder RFS101 C105 L101 R105 L132 Check R107 R110 R116 UCP201 Resolder or Change F101 ...

Page 81: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 39 Pin 6 High Pin 5 Low Pin 4 Low ...

Page 82: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 40 ...

Page 83: ...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 84: ...SAMSUNG Proprietary Contents may change without notice Reference data 10 2 This Document can not be used without Samsung s authorization ...

Page 85: ...uctions 11 1 This Document can not be used without Samsung s authorization 11 1 Disassembly Instructions 2 1 Disjoint rear cover Locker should not be in damage 1 Unscrew five points in the rear cover 2 Remove the CAMERA KEY and the VOLUME KEY and POWER KEY Locker positions Remove the keys ...

Page 86: ...Samsung s authorization 3 Detach the PBA after removing LCD connector and KEY connector and touch key connector 4 5 Detach the Lower from the Upper touch key connector KEY connector LCD connector Unscrew six points in the front cover Detach the Front Unscrew four points in the Slide lower cover locking position check and disjoint damper ...

Page 87: ...Disassembly and Assembly Instructions 11 3 This Document can not be used without Samsung s authorization Double stick in the bottom of motor caution Unscrew two points in the speaker module 6 Disjoint 2M Camera connector and remove speaker wire soldering 7 ...

Page 88: ...amsung s authorization 11 2 Assembling Manual 2 1 Insert the FPCB to the white line 2 Close the connector locker 1 Attach the insulating tape VGA Camera FPCB soldering 1 Speaker wire soldering joint 2M Camera connector screw 2 points Joint SUB KEYPAD in the Upper case Joint SLIDE FPCB in the connector 3 Joint LCD module in the Upper case ...

Page 89: ...4 5 6 Joint VGA CAMERA FPCB 양면 tape 부착 Wire arrangement Do not over on the LCD module Attach the insulation tape on the CAM FPCB Fold the Slide FPCB in the top direction and joint Lower case Fist put the Hook in the upper case and Joint Window Caution the foreign substance Screw four points Lower case Joint damper First joint both side locker and center locker ...

Page 90: ...mbly and Assembly Instructions 11 6 This Document can not be used without Samsung s authorization 7 Joint Front cover Screw six points 8 Joint Slide FPCB connector 9 Put the Touch Key connector Key pad connector and MIC Slide up state put the PBA in the Front case ...

Page 91: ...nt can not be used without Samsung s authorization 10 11 First joint the Rear cover s right up LOCKER and assemble Rear cover in this time all side cover is open CAMERA KEY Put the Power key Volume key and Camera key Be careful the Key direction Up Down Screw five points in the Rear cover POWER KEY VOLUME KEY ...

Page 92: ...SAMSUNG Proprietary Contents may change without notice Disassembly and Assembly Instructions 11 8 This Document can not be used without Samsung s authorization ...

Search results

Summary of Contents for SGH-i450

Reviews:

Related manuals for SGH-i450

Brands by name

Popular brands

Samsung SGH-i450, Service Manual

Search results

Summary of Contents for SGH-i450

Reviews:

Related manuals for SGH-i450

Brands by name

Popular brands