Samsung SGH-E390 Service Manual Download

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GSM TELEPHONE

SGH-E390

GSM TELEPHONE

CONTENTS

Safety Precautions

Specification

Product Function

Array course control

Exploded View/Disassembly

and Assembly Instructions

MAIN Electrical Parts List

Block Diagrams

PCB Diagrams

Flow Chart of Troubleshooting

10.

Reference data

Summary of Contents for SGH-E390

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: ...ontrol 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 7 1 RF Solution Block Diagram 7 1 7 2 Base Band Solution Block Diagram 7 2 7 3 AUDIO Block Diagram 7 3 7 4 CAMERA Solution Blo...

Page 3: ... 9 10 9 7 Key Data Input 9 12 9 8 Reciever Part 9 14 9 9 Back Light for LCD 9 16 9 10 Key Back Light 9 18 9 11 Camera Part 9 20 9 12 GSM900 Receiver 9 23 9 13 GSM900 Transmitter 9 24 9 14 DCS Receiver 9 25 9 15 DCS Transmitter 9 26 9 16 PCS Receiver 9 27 9 17 PCS Transmitter 9 28 9 18 GSM850 Reciever 9 29 9 19 GSM850 Transmitter 9 30 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: ...0 ARFCN range 1 124 0 124 975 1023 512 885 512 810 Tx Rx 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 ...

Page 7: ...m 11 8 4dBm 12 6 4 dBm 13 4 4 dBm 14 2 5 dBm 15 0 5 dBm 2 2 GSM TX power class 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 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 GSM900 5 33 3 dBm 6 31 3 dBm 7 29 3 dBm 8 27 3 dBm 9 25 3 dBm 10 23 3 dBm 11 21 3 dBm 12 19...

Page 8: ...duct Function 3 1 This Document can not be used without Samsung s authorization Main Function 1 3M Camera and camcorder MP3 player MP3 AAC AAC Phonebook Name card Multimedia Message Service MMS E mail Voice recorder Bluetooth USB SyncML Web browser Java Calendar ...

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: ...y Contents may change without notice 4 Array course control 4 1 This Document can not be used without Samsung s authorization Test Jig GH80 03307A 4 1 Software Adjustments Test Cable GH39 00499A RF Test Cable GH39 00283A ...

Page 11: ... 4 2 Software Downloading 4 2 1 Downloading Binary Files Swift Model firmware is composed of 3 files cla Main source binary tfs File which includes image mp3 etc which are needed for each application cfg File which has information about tfs File 4 2 2 Pre requsite for Downloading Downloader Single or Multi downloader The firmware Data Cable ...

Page 12: ...notice Array course control 4 3 This Document can not be used without Samsung s authorization 4 2 3 S W Downloader Program 1 Unzip the downloader and firmware files to a folder where you want 2 Open the downloader 3 Set the serial Port and BAUD rate ...

Page 13: ...may change without notice Array course control 4 4 This Document can not be used without Samsung s authorization 4 Check radio button Binary only TFS Only and Binary TFS 5 Select the binary and TFS file s that you want to download ...

Page 14: ...ts may change without notice Array course control 4 5 This Document can not be used without Samsung s authorization 6 Press start button and power on the phone then the downloader can recognize the flash memory type of the phone ...

Page 15: ...SAMSUNG Proprietary Contents may change without notice Array course control 4 6 This Document can not be used without Samsung s authorization 7 After confirming the memory type press DOWNLOAD button ...

Page 16: ...sung s authorization 5 Exploded View Disassembly Assembly Instructions 5 1 Cellular phone Exploded View QMW02 QCR12 QFU01 QKP02 QLC01 QME02 QMP02 QPC01 QCR12 QSC05 QFL01 QCA01 QSP02 QKP01 QMP01 QAN05 QAN02 QRE01 QCR12 QBA01 QBA00 QME01 QMI03 QFR01 QSC22 QCK01 QMI01 QVO01 QSC21 QFL02 QHI03 QSD01 QIF01 ...

Page 17: ...YPAD SUB XET BLK GH98 02125A QLC01 LCD LCD MODULE GH07 01001A QME02 UNIT METAL DOME SUB GH59 03681A QMI03 RMO RUBBER MIC GH73 07941A QMP01 PBA MAIN SGHE390 GH92 03193A QMP02 PBA SUB SGHE390 GH92 03199A QMW02 PCT COVER WINDOW MAIN GH72 33917A QPC01 MEA SLIDER FPCB KIT GH97 06896A QSC05 RMO RUBBER SCREW CAP LOWER GH73 07944A QSP02 UNIT MODULE SPEAKER GH59 03695A QME01 UNIT KEY PBA GH59 03642A QMI01 ...

Page 18: ... RMO RUBBER DAMPER UPPER L GH73 08931A MPR TAPE WINDOW MAIN GH74 27349A MPR INSU TAPE GH74 27357A MPR TAPE LCD GH74 27362A MPR TAPE HOT BAR GH74 27363A MPR INSU TAPE CAMERA CONN GH74 27367A MPR VINYL BOHO UPPER GH74 27887A MPR VINYL BOHO SLIDE GH74 27888A MPR VINYL BOHO MAIN WINDOW FIN GH74 27889A MPR TAPE EMI KEYFPCB GH74 28423A MPR TAPE EMI DUAL LCD FPCB GH74 28537A MPR INSU TAPE LCD BACK GH74 2...

Page 19: ...thorization 1 Unscrew 5 points of rear case as shown in the picture 1 Make space between rear cover and front cover using assembly stick 2 Widen space with hand and separate 2 parts 1 Loosen a screw these 3 points from the PBA 1 Disjoint the intenna 2 Disjoint the LCD connector and key connector 1 2 3 4 5 3 Disassembly and Assembly Instructions Disassembly ...

Page 20: ...ion 1 Open the slide Slide up 2 Remove the 2 screw caps with tweezers 3 Remove the shield can and side key 4 Remove the main keypad 1 Unscrew 6 points of Lower case as shown in the picture 1 The hook of slide lower should be disassembled first 2 Widen space with hand and separate 2 parts 1 Remove the insulation tape 2 And separate LCD connector from sub PBA 5 6 7 8 ...

Page 21: ...ructions 5 6 This Document can not be used without Samsung s authorization 1 Separate LCD connector from sub PBA 2 Remove the 2 rubbers with tweezers 1 Separate sub PBA from slide upper after removing the camera and speaker module 2 Separate LCD module from slide upper using 4 white points 9 10 ...

Page 22: ...dule 1 At first attach LCD to main window 2 Put the camera module and speaker module blue circle 3 And put EMI tape on sub PBA blue 1 Put the 2 kinds of rubber on rubber hole 2 At first combine LCD connector to sub PBA according to the picture 1 At first put insulation tape on connector 2 And put insulation tape on connector Red after folding FPCB 1 2 3 Verify White silk line Folding position 4 As...

Page 23: ... from top side after sliding up 2 And push the edge side for locking 3 FPCB should be put into the lower hole 1 Fasten screws at 6 points with driver after sliding up 1 Put the 2 screw caps on screw hole 2 Put the main keypad on front cover 3 Put the 2 kind of side key after putting the shield can 1 Combine LCD connector and key connector to main PBA 2 Put main PBA and intenna on front cover 5 6 7...

Page 24: ...t notice Exploded View Disassembly Assembly Instructions 5 9 This Document can not be used without Samsung s authorization 1 Fasten screws at 3 points 1 Put rear cover on Ass y and lock 2 Be careful of losing key 1 Fasten screws at 5 points 10 9 11 ...

Page 25: ...SAMSUNG Proprietary Contents may change without notice Exploded View Disassembly Assembly Instructions 5 10 This Document can not be used without Samsung s authorization ...

Page 26: ...3 006048 SA C127 C CER CHIP 2203 001432 SA C128 C CER CHIP 2203 000233 SA C129 C CER CHIP 2203 000812 SA C130 C CER CHIP 2203 002709 SA C131 C CER CHIP 2203 001432 SA C132 C CER CHIP 2203 006048 SA C133 C CER CHIP 2203 006048 SA C134 C CER CHIP 2203 006048 SA C135 C CER CHIP 2203 006048 SA C136 C CER CHIP 2203 005968 SA C201 C CER CHIP 2203 006194 SA C202 C CER CHIP 2203 006423 SA C203 C CER CHIP ...

Page 27: ...CER CHIP 2203 000812 SA C422 C CER CHIP 2203 006824 SA C423 C CER CHIP 2203 006824 SA C424 C CER CHIP 2203 006257 SA C425 C CER CHIP 2203 006257 SA C426 C CER CHIP 2203 000233 SA C427 C CER CHIP 2203 006562 SA C500 C CER CHIP 2203 003054 SA C502 C CER CHIP 2203 005482 SA C503 C CER CHIP 2203 000425 SA C504 C CER CHIP 2203 001437 SA C505 C CER CHIP 2203 001259 SA C508 C CER CHIP 2203 000995 SA C509...

Page 28: ...05682 SA C745 C CER CHIP 2203 005682 SA C805 C CER CHIP 2203 006423 SA C806 C CER CHIP 2203 006708 SA C807 C CER CHIP 2203 006423 SA C820 C CER CHIP 2203 006562 SA C821 C CER CHIP 2203 000254 SA C822 C CER CHIP 2203 000254 SA C823 C CER CHIP 2203 006091 SA C824 C CER CHIP 2203 006091 SA C825 C CER CHIP 2203 006562 SA C826 C CER CHIP 2203 006824 SA C827 C CER CHIP 2203 006824 SA C828 C CER CHIP 220...

Page 29: ...CTOR SMD 2703 002170 SA L117 INDUCTOR SMD 2703 002199 SA L118 INDUCTOR SMD 2703 002369 SA L119 INDUCTOR SMD 2703 002369 SA L201 BEAD SMD 3301 001729 SA L501 INDUCTOR SMD 2703 002204 SA L505 INDUCTOR SMD 2703 002962 SA L801 BEAD SMD 3301 001729 SA L821 BEAD SMD 3301 001729 SA L822 BEAD SMD 3301 001729 SA L827 INDUCTOR SMD 2703 002199 SA L828 INDUCTOR SMD 2703 002199 SA L842 INDUCTOR SMD 2703 002231...

Page 30: ...HIP 2007 007100 SA R404 R CHIP 2007 008055 SA R405 R CHIP 2007 002796 SA R407 R CHIP 2007 008055 SA R408 R CHIP 2007 008419 SA R409 R CHIP 2007 008055 SA R410 R CHIP 2007 009168 SA R411 R CHIP 2007 008055 SA R412 R CHIP 2007 008486 SA R500 R CHIP 2007 008516 SA R501 R CHIP 2007 007334 SA R502 R CHIP 2007 008800 SA R503 R CHIP 2007 008055 SA R504 R CHIP 2007 009170 SA R505 R CHIP 2007 008486 SA R50...

Page 31: ...6 R CHIP 2007 002970 SA RFS100 CONNECTOR COAXIAL 3705 001358 SA SLC800 CONNECTOR FPC FFC PIC 3708 002194 SA SLC801 CONNECTOR FPC FFC PIC 3708 002192 SA TA108 C TA CHIP 2404 001474 SA TA400 C TA CHIP 2404 001381 SA TA515 C TA CHIP 2404 001374 SA TA516 C TA CHIP 2404 001380 SA TA600 C TA CHIP 2404 001281 SA U100 IC POWER AMP 1201 002423 SA U101 IC POSI FIXED REG 1203 003767 SA U102 IC TRANSCEIVER 12...

Page 32: ...RISTOR 1405 001138 SA VR403 VARISTOR 1405 001138 SA VR404 VARISTOR 1405 001138 SA VR405 VARISTOR 1405 001138 SA VR406 VARISTOR 1405 001138 SA VR407 VARISTOR 1405 001138 SA VR501 VARISTOR 1405 001082 SA VR502 VARISTOR 1405 001082 SA VR851 VARISTOR 1405 001082 SA VR852 VARISTOR 1405 001082 SA VR853 VARISTOR 1405 001082 SA VR854 VARISTOR 1405 001082 SA VR855 VARISTOR 1405 001082 SA VR856 VARISTOR 140...

Page 33: ...SAMSUNG Proprietary Contents may change without notice Main Electrical Parts List 6 8 This Document can not be used without Samsung s authorization ...

Page 34: ...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 35: ...SAMSUNG Proprietary Contents may change without notice Block Diagrams This Document can not be used without Samsung s authorization 7 2 3019 3019 7 2 Base Band Solution Block Diagram ...

Page 36: ...SAMSUNG Proprietary Contents may change without notice Block Diagrams This Document can not be used without Samsung s authorization 7 3 7 3 AUDIO BLOCK Diagram ...

Page 37: ...AGE HA 1 2 HD 0 15 WEn OEn IMAGE_INT IMAGE_RST GPIOB5 CAM_RESET MV3019 MCS_C MA 0 1 SMCLK PCLK SCL MD 0 15 SDA MWEN C_HS MREN C_VS MINT C_D 0 7 RESET CAMERA CAMERA Block diagram Sensor 1 3M M_CLK PCLK M_SCL M_SDA HSYNC VSYNC Y 0 7 CAM_RESET PCF5213 3I CS3_IMAGE HA 1 2 HD 0 15 WEn OEn IMAGE_INT IMAGE_RST GPIOB5 CAM_RESET MV3019 MCS_C MA 0 1 SMCLK PCLK SCL MD 0 15 SDA MWEN C_HS MREN C_VS MINT C_D 0 ...

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: ...r On does not work Charge the Battery END No Yes C406 VINT 2 7V Check the PMU related to VINT No Yes Check the Clock at R401 32KHZ Resolder OSC400 No Yes C425 VDD_IO_LOW C424 VDD_IO_HIGH H Check the related circuit No Yes TA516 VDD_GSM_CORE 1 875V Check the VDD_GSM_CORE circuit No Yes Check for the clock at C129 26MHz Check the clock generation circuit related to OSC100 No Yes Check the initial op...

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: ...art of Troubleshooting This Document can not be used without Samsung s authorization 9 3 9 2 Initial TP224 RSTON H Initial Failure Check the circuit related to reset END No Yes Is U304 pin 4 OK Yes Yes No Check the UME300 Check the 16bit data signal memory CE Yes ...

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 ...

Page 44: ...t Samsung s authorization 9 5 9 3 Charging Part Check the U505 pin 16 4 9V Abnormal charging part END No Yes U505 pin 12 L No Yes U505 pin 4 L No Yes Check the U505 pin 15 4 2V No Yes Check the circuit related to V_EXT_CHARGE Resolder or replace U505 Check the circuit related to AUX_ON signal Resolder or replace U505 Yes ...

Page 45: ...on Flow Chart of Troubleshooting 9 6 9 4 Sim Part CN400 pin 11 14 H After Power ON Check SIMCLK Signal on pin15 of CN400 in a few second After SIM card insert CN400 pin 13 H SIM_RST Phone can t access SIM Card Check the sim charge pump Check the SIM Card END No Yes Yes Yes No Check the Clock Yes No Replace PBA Yes ...

Page 46: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 7 ...

Page 47: ...ow Chart of Troubleshooting 9 8 9 5 Microphone Part Resolder the R701 and R702 Check the connection status of MIC MIC600 Check the resistors R701 R702 Re Solder the Mic MIC600 END No Yes Yes Yes Yes No Check MIC_BIAS H No Resolder R600 TA600 R603 R604 Microphone does not work Check the MIC No Replace the microphone 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: ...ng 9 10 9 6 Speaker Part Speaker does not work Check the supply voltage of U821 Is the C826 3 8V Check the VBAT or replace C826 No Yes Is the D Amp U821 output working Check R825 and R826 Resolder R825 R826 or replace U821 No Yes END Is Speaker working Change the Speaker No Yes Yes Check the connection status of SPK Re solder the Speaker No Yes ...

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: ...without Samsung s authorization Flow Chart of Troubleshooting 9 12 9 7 Key Data Input When any key input is given is there something on LCD display Check the Dome sheet Key Pad END No Yes Yes Check Initial Operation When one of the keys is pushed KBIO signal is OK Replace the PBA No Yes ...

Page 52: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 13 ...

Page 53: ...leshooting 9 14 9 8 Receiver Part Check the power of analog switch U822 U823 Is L821 L822 3 8V Resolder L821 L822 END No Yes Yes Receiver does not work Check the AUDIO_SEL Pin of U822 U823 Is Pin 4 9 L Check UCP200 No Yes Is Receiver working Replace the Receiver No Yes Check the connection status of Receiver No Resolder the receiver Yes ...

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: ...w Chart of Troubleshooting 9 16 9 9 Back Light for LCD Is LCD Contrast set on high level in the Menu Set LCD Contrast on high level END No Yes Yes Backlight does not work HCD700 Pin58 H Check the UCP200 No Yes Check the VBAT pins of HCD700 Pin 15 17 3 8V Check the related circuit of VBAT No Yes Yes Replace the LCD Module ...

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

Page 57: ...ice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 18 9 10 Key Back Light U302 pin 1 H Check the U302 related to KEY_LED_ON signal END No Yes Yes Main Key LED does not work U302 pin 4 H No Replace U302 Yes ...

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

Page 59: ...a part Camera function does not work Yes No Reconnect the camera module Check the Camera connector status SLC801 Yes HCD700 pin 18 1 5V No Check the LDO U306 related with VDD_CAM_1V5 Yes R314 26MHz No Check the related to 27MHz clock U303 Yes Is there another problem END Replace the camera module Yes HCD700 pin 27 2 8V No Resolder C422 or check the PMU U400 Yes ...

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

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

Page 62: ...kHz Amp 50dBm Yes F100 Pin10 65dBm No Resolder RFS100 C101 L100 Yes Check ANT Switch control circuit F100 pin3 4 68dBm Check F100 pin14 pin13 L No No Resolder F100 Yes Yes No U102 pin 27 74dBm pin 28 74dBm Yes No Resolder L107 L109 L110 U102 pin 1 2 3 4 1V Yes No Check U102 pin 5 8 19 31 35 39 2 7V Check Resolder U102 C129 R103 R104 C123 C127 C134 C135 RF26MHz RF PSU Part Yes Resolder U102 Check U...

Page 63: ...V pin13 L F100 pin15 18dBm U100 pin12 18dBm U102 pin36 15dBm U100 pin7 11dBm Check ANT Switch control circuit Change or Resolder F100 Resolder C111 L108 C114 Yes Check U100 pin 2 3 4 5 6 OK Resolder or Change U100 Check VBAT or PAM control signal No No No No No No Yes Yes Yes Yes Yes Yes Yes No U102 pin 1 2 3 4 1V Check Resolder RFLO signal RF26MHz RF PSU Part No Yes Yes END Check UCP200 Resolder ...

Page 64: ...z Amp 50dBm No Resolder RFS100 C101 L100 Yes Check ANT Switch control circuit F101 pin5 6 68dBm Check F100 pin13 pin14 L No No Resolder F100 Yes Yes No U102 pin 24 74dBm pin 25 74dBm Yes No Resolder L103 L104 L105 U102 pin 1 2 3 4 1V Yes No Check U102 pin 5 8 19 31 35 39 2 7V Check Resolder U102 C129 R103 R104 C123 C127 C134 C135 RF26MHz RF PSU Part Yes Resolder U102 Check UCP200 END Yes F100 Pin1...

Page 65: ... Yes Yes Yes Yes Yes Yes No No No No No No No No Check Resolder RFLO signal RF13MHz RF PSU Part Check VBAT or PAM control signal Resolder or Change U100 Check U100 pin 2 3 4 5 6 OK Yes U102 pin 1 2 3 4 1V Resolder L116 Resolder L111 C107 C113 Change or Resolder F100 Check ANT Switch control circuit U100 pin1 11dBm U102 pin2 15dBm U100 pin10 18dBm F100 pin12 18dBm Check F100 pin14 H 2 68V pin13 L T...

Page 66: ...100 C101 L100 Yes Check ANT Switch control circuit F100 pin7 8 68dBm Check F100 pin13 pin14 L No No Resolder F100 Yes Yes No U102 pin 22 74dBm pin 23 74dBm Yes No Resolder C105 L106 C106 U102 pin 1 2 3 4 1V Yes No Check U102 pin 5 8 19 31 35 39 2 7V Check Resolder U102 C129 R103 R104 C123 C127 C134 C135 RF26MHz RF PSU Part Yes Resolder U102 Check UCP200 END RX ON RF input CH center freq 67 7kHz Am...

Page 67: ... Yes Yes Yes Yes Yes Yes No No No No No No No No Check Resolder RFLO signal RF13MHz RF PSU Part Check VBAT or PAM control signal Resolder or Change U100 Check U100 pin 2 3 4 5 6 OK Yes U102 pin 1 2 3 4 1V Resolder L116 Resolder L111 C107 C113 Change or Resolder F100 Check ANT Switch control circuit U100 pin1 11dBm U102 pin2 15dBm U100 pin10 18dBm F100 pin12 18dBm Check F100 pin14 H 2 68V pin13 L T...

Page 68: ...kHz Amp 50dBm Yes F100 Pin10 65dBm No Resolder RFS100 C101 L100 Yes Check ANT Switch control circuit F100 pin3 4 68dBm Check F100 pin14 pin13 L No No Resolder F100 Yes Yes No U102 pin 27 74dBm pin 28 74dBm Yes No Resolder L107 L109 L110 U102 pin 1 2 3 4 1V Yes No Check U102 pin 5 8 19 31 35 39 2 7V Check Resolder U102 C129 R103 R104 C123 C127 C134 C135 RF26MHz RF PSU Part Yes Resolder U102 Check U...

Page 69: ...V pin13 L F100 pin15 18dBm U100 pin12 18dBm U102 pin36 15dBm U100 pin7 11dBm Check ANT Switch control circuit Change or Resolder F100 Resolder C111 L108 C114 Yes Check U100 pin 2 3 4 5 6 OK Resolder or Change U100 Check VBAT or PAM control signal No No No No No No Yes Yes Yes Yes Yes Yes Yes No U102 pin 1 2 3 4 1V Check Resolder RFLO signal RF26MHz RF PSU Part No Yes Yes END Check UCP200 Resolder ...

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

Page 71: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 32 ...

Page 72: ... EEPROM Electrically Erasable Programmable Read Only Memory EGPRS Enhanced GPRS ETM Embedded Trace Macrocell ETSI European Telecommunications Standards Institute FM Frequency Modulation FPGA Field Programmable Gate Array FR Full Rate FTA Full Type Approval GSM specification GPIO General Purpose Input Output GPRS General Packet Radio Service GSM Global System for Mobile communication I2C Inter IC C...

Page 73: ...Code Modulation PDCU Power Down Control Unit PIO Parallel IO unit PLL Phase Locked Loop RAM Random Access Memory ROM Read Only Memory SRAM Static Random Access Memory SW Software TDMA Time Division Multiple Access UART Universal Asynchronous Receiver Transmitter UMTS Universal Mobile Telecommunication System USB Universal Serial Bus USIM UMTS SIM ...

Page 74: ...msung Electronics Co Ltd 2006 12 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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