Samsung SGH-C400 Service Manual Download Page 51 | Manualshive

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Flow Chart of Troubleshooting

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Summary of Contents for SGH-C400

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: ...msung Electronics Co Ltd 2006 09 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 ...

Page 3: ... 1 2 2 GSM Tx Power Class 2 2 3 Product Function 4 Array course control 4 1 Pre requsite for Downloading 4 2 4 2 S W Downloader Program 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 ...

Page 4: ...n 9 1 9 2 Initial 9 5 9 3 SIM Part 9 7 9 4 Charging Part 9 9 9 5 Microphone Part 9 12 9 6 Speaker Part 9 14 9 7 Camera Part 9 16 9 8 RF 9 8 1 GSM900 Rx 9 20 9 8 2 DCS Rx 9 22 9 8 3 PCS Rx 9 24 9 8 4 GSM900 Tx 9 26 9 8 5 PCS DCS Tx 9 28 10 Reference data ...

Page 5: ...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 6: ...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 7: ...ge 975 1023 1 124 512 885 512 810 Tx Rx spacing 45MHz 95MHz 80MHz Mod Bit rate Bit Period 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 Modulation 0 3GMSK 0 3GMSK 0 3GMSK MS Power 33dBm 5dBm 30dBm 0dBm 30dBm 0dBm Power Class 5pcl 19pcl 0pcl 15pcl 0pcl 15pcl Sensitivity 102dBm 100dBm 100dBm TDMA Mux 8 8 8 Ce...

Page 8: ...2 dBm 14 15 2 dBm 15 13 2 dBm 16 11 3 dBm 17 9 3dBm 18 7 3 dBm 19 5 3 dBm TX Power control level DCS1800 0 30 3 dBm 1 28 3 dBm 2 26 3 dBm 3 24 3 dBm 4 22 3 dBm 5 20 3 dBm 6 18 3 dBm 7 16 3 dBm 8 14 3 dBm 9 12 4 dBm 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 ...

Page 9: ...tents may change without notice 3 Product Function 3 1 This Document can not be used without Samsung s authorization Main Function Tri Band 900 1800 1900 FR EFR HR GPRS Class 10 16 Poly Intenna SMS MMS WAP1 2 Phonebook 500ea ...

Page 10: ...SAMSUNG Proprietary Contents may change without notice Product Function 3 2 This Document can not be used without Samsung s authorization ...

Page 11: ...ts may change without notice 4 Array course control 4 1 This Document can not be used without Samsung s authorization Software Downloading Power Supply Cable Serial Cable CSA LL64151 A Test Jig GH80 03304A Data cable GH39 00127A ...

Page 12: ... Mobile Phone Data Cable Binary file 4 2 S W Downloader Program Load the binary download program by executing the OptiFlash exe Connect data cable to Mobile phone 1 Options Settings 1 COM Port select COM Port and Transfer Speed 921600 2 Flash and Verify Check the Reserved Memory Regions 3 Generic Select Check box Differences Only for minor change Erase All Unused Regions for fully renewing 2 File ...

Page 13: ...UNG Proprietary Contents may change without notice Array course control 4 3 This Document can not be used without Samsung s authorization 3 Click Flash and write down yes then OK 4 Power on the mobile phone ...

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

Page 15: ...thout Samsung s authorization 5 Exploded View Disassembly Assembly Instructions 5 1 Cellular phone Exploded View QFU01 QME03 QLC01 QCA01 QHI01 QFL01 QCR05 QSC01 QMW02 QME11 QRF03 QVO01 QME01 QRF01 QCR08 QFR01 QMI03 QKP01 QMI01 QMP01 QAN05 QAN02 QRE01 QIF01 QCR05 QBA00 QBA01 QSP01 QMO01 QCW01 ...

Page 16: ...CASE FOLDER LOWER GH98 01683A QFR01 ASSY CASE FRONT GH98 01684A QFU01 ASSY CASE CASE FOLDER UPPER TI GH98 01917A QHI01 ASSY MEC HINGE CAN TYPE GH75 04662A QIF01 PMO COVER IF GH72 32906A QKP01 ASSY KEYPAD CHE BLK GH98 01686A QLC01 ELA UNIT SGHC406 LCD MODULE KI GH96 02368A QME01 UNIT METAL DOME GH59 03351A QME03 PCB SGHC406CON TO CON GH41 01306A QMI01 MICROPHONE ASSY 6 25MM GH30 00178F QMI03 RMO RU...

Page 17: ...HO DECO REAR GH74 26518A MPR BOHO VINYL LCD CONN GH74 15350A MPR TAPE GASKET LCD GH74 25372A MPR SPONGE MOTOR GH74 25381A MPR TAPE LCD FPCB GH74 26060A MPR INSU TAPE GH74 19260A MPR TAPE WINDOW MAIN GH74 25438A MPR F LOWER BOHO VINYL GH74 05004A MPR TAPE FRONT FPC GH74 26057A MPR TAPE LCD TOP GH74 26059A MPR VINYL BOHO DECO FOLDER UPP GH74 26517A MPR INSU TAPE UPPER TOP GH74 26690A MPR VINYL BOHO ...

Page 18: ...scratch and molding damage 2 Should unlock bottom part of the Rear cover first and next mid part etc 1 Be careful not to make scratch and molding damage 1 Be careful not to make scratch and molding damage 1 Unscrew a Rear Cover There are 4 points 1 1 Lift up the Rear Cover by unlocking two hooks on the bottom side 2 3 1 Release the LCD CON TO CON 4 1 with the folder being opened Separate the PBA 5...

Page 19: ...eful not to make scratch and molding damage 2 Be careful not to damage the LCD CON TO CON Con to con FBCB is torn very easily 1 Be careful not to make scratch and molding damage 1 Be careful not to make scratch and molding damage 5 6 7 8 1 Disassemble KEY PAD DUST PROTECT TAPE and SIDE KEY 1 Remove the two SCREW CAPS and Unscrew the UPPER COVER 1 With grabbing Folder using one hand Pull back Front...

Page 20: ...age 2 Be careful not to damage the Motor Wire 1 Be careful not to make scratch and molding damage 2 Be careful not to damage the SPK Wire 1 Be careful not to make scratch and molding damage 2 Be careful not to damage the CON TO CON 1 Be careful not to make scratch and molding damage 2 Be careful not to damage the Camera FBCB 5 6 7 8 1 Disassemble MOTOR 1 Disassemble LCD Module 1 Disassemble SPK 1 ...

Page 21: ... it is inserted completely 4 Protect Camera Lense from dust 1 Be careful not to make scratch and molding damage Make a checking on the TORQUE 1 3 0 1 Kgf Cm 1 Be careful not to make scratch and molding damage 1 2 3 4 1 Insert a CON TO CON 2 Insert a Camera into the Connector 1 Align and place a LCD on a FOLDER LOWER 2 Insert a SPK and a Motor 3 Insert a Camera 1 Assemble from the upper side of the...

Page 22: ...areful not to make scratch and molding damage 2 Be careful not to damage the CON TO CON 1 Be careful not to make scratch and molding damage 2 Make a checking on a direction indicated on the photograph above 1 Be careful not to make scratch and molding damage 2 Be careful not to damage the CON TO CON 5 6 7 8 1 Push the HINGE to insert the FRONT COVER 1 Insert KEY PAD and Dust PROTECTION TAPE 1 Inse...

Page 23: ...can not be used without Samsung s authorization 1 Be careful not to make scratch and molding damage 1 Be careful not to make scratch and molding damage 1 Be careful not to make scratch and molding damage 9 10 1 Insert the hear of the REAR COVER 1 Screw down REAR COVER 4POINT Check Torque 1 2 0 1 Kgf 11 1 Attach a RF SHEET ...

Page 24: ...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 25: ...3 006318 SA C119 C CER CHIP 2203 006556 SA C120 C CER CHIP 2203 005682 SA C122 C CER CHIP 2203 005792 SA C125 C CER CHIP 2203 005792 SA C126 C CER CHIP 2203 000995 SA C127 C CER CHIP 2203 005729 SA C129 C CER CHIP 2203 005682 SA C146 C CER CHIP 2203 006194 SA C147 C CER CHIP 2203 006648 SA C150 C CER CHIP 2203 006423 SA C151 C CER CHIP 2203 006423 SA C199 C CER CHIP 2203 006556 SA C200 C CER CHIP ...

Page 26: ...ER CHIP 2203 006257 SA C500 C CER CHIP 2203 000278 SA C501 C CER CHIP 2203 006260 SA C502 C CER CHIP 2203 002443 SA C504 C CER CHIP 2203 006208 SA C505 C CER CHIP 2203 006399 SA C508 C CER CHIP 2203 000254 SA C509 C CER CHIP 2203 005482 SA C511 C CER CHIP 2203 006457 SA C512 C CER CHIP 2203 006838 SA C513 C CER CHIP 2203 006324 SA C514 C CER CHIP 2203 000995 SA C515 C CER CHIP 2203 006399 SA C516 ...

Page 27: ...WORK 2503 001041 SA CN100 CONNECTOR COAXIAL 3705 001358 SA D500 DIODE TVS 0406 001194 SA D501 DIODE SCHOTTKY 0404 001250 SA D502 DIODE SCHOTTKY 0404 001250 SA D600 DIODE TVS 0406 001190 SA D802 DIODE TVS 0406 001190 SA D803 DIODE TVS 0406 001190 SA D804 DIODE TVS 0406 001190 SA EAR600 JACK EAR PHONE 3722 002249 SA F101 FILTER SAW 2904 001592 SA F102 FILTER SAW 2904 001599 SA F103 FILTER SAW 2904 0...

Page 28: ...SA R133 R CHIP 2007 001308 SA R143 R CHIP 2007 008516 SA R177 R CHIP 2007 000171 SA R178 R CHIP 2007 000171 SA R202 R CHIP 2007 000148 SA R206 R CHIP 2007 000167 SA R207 R CHIP 2007 000172 SA R211 R CHIP 2007 000172 SA R214 R CHIP 2007 000162 SA R216 R CHIP 2007 000153 SA R217 R CHIP 2007 007142 SA R218 R CHIP 2007 000154 SA R219 R CHIP 2007 000162 SA R220 R CHIP 2007 008419 SA R223 R CHIP 2007 00...

Page 29: ...HIP 2007 000162 SA R508 R CHIP 2007 000172 SA R509 R CHIP 2007 001301 SA R510 R CHIP 2007 000171 SA R511 R CHIP 2007 008045 SA R512 R CHIP 2007 008045 SA R513 R CHIP 2007 008045 SA R514 R CHIP 2007 008045 SA R600 R CHIP 2007 000162 SA R601 R CHIP 2007 001292 SA R602 R CHIP 2007 001292 SA R603 R CHIP 2007 000171 SA R604 R CHIP 2007 000160 SA R606 R CHIP 2007 000148 SA R607 R CHIP 2007 001325 SA R60...

Page 30: ...2007 000141 SA R701 R CHIP 2007 000141 SA R707 R CHIP 2007 000171 SA R708 R CHIP 2007 007100 SA R710 R CHIP 2007 000157 SA R800 R CHIP 2007 008486 SA R801 R CHIP 2007 008486 SA R802 R CHIP 2007 008486 SA R803 R CHIP 2007 008486 SA R804 R CHIP 2007 008486 SA R805 R CHIP 2007 008419 SA R806 R CHIP 2007 008419 SA R807 R CHIP 2007 008419 SA R808 R CHIP 2007 008419 SA R809 R CHIP 2007 008419 SA R810 R ...

Page 31: ...203 003304 SA UCP300 IC MICOM SGHX480 GH09 00036A SA V201 VARISTOR 1405 001110 SA V202 VARISTOR 1405 001110 SA V502 VARISTOR 1405 001110 SA V503 VARISTOR 1405 001110 SA V800 VARISTOR 1405 001082 SA V801 VARISTOR 1405 001082 SA V802 VARISTOR 1405 001082 SA V803 VARISTOR 1405 001082 SA V804 VARISTOR 1405 001082 SA V805 VARISTOR 1405 001082 SA V806 VARISTOR 1405 001082 SA V807 VARISTOR 1405 001082 SA...

Page 32: ...SAMSUNG Proprietary Contents may change without notice Main Electrical Parts List 6 8 This Document can not be used without Samsung s authorization ...

Page 33: ...out Samsung s authorization 7 Block Diagrams 7 1 Antenna LNA LNA LNA LNA PGA PGA I ADC Q ADC ANALOG INTERFACE VCO FREQUENCY SYNTHESIZER DCXO DET 0 90 LOW IF CSP2200B1 DIGITAL FILTER PGA PGA XOUT AFC I Q DIGITAL M N TQM6M4002 G S M D C S DCS RX PCS RX GSM 900 Rx PCS DCS TX GSM 900 TX SI4210 ...

Page 34: ...A External Interface Jig PC Interface Charger ISL6294 Melody 4U YMU762C Keypad With Volume Side key STN LCD 128 160 65K SDI TridentII TR09WQTKD FSBGA 188 9 9 GSM GPRS DSP DSP16000 DIO JTAC EMI IIDS CT ARM7TDMI EMI DIC DMA TIC DDI SSI ACC ADC ICD Comm Bet DSP and ARM Analog baseband 8 Ch GPIO Audio processing RF control Power 7Ch LDO Internal Charger SIM Interface Gemini SCEPTRE TC GSM GPRS CAMERA ...

Page 35: ...SAMSUNG Proprietary Contents may change without notice 8 PCB Diagrams 8 1 This Document can not be used without Samsung s authorization Top ...

Page 36: ...SAMSUNG Proprietary Contents may change without notice PCB Diagrams 8 2 This Document can not be used without Samsung s authorization Bottom ...

Page 37: ...gain Charge the Battery pin J12 of UCP200 2 8V Check UCP200 and C216 pin A13 of UCP200 2 8V Check UCP200 and C217 Check the clock signal pin 4 of OSC300 or C314 Check the clock generation circuit related to UCP300 END No Yes Yes Yes Yes Yes No No No No pin G11 1 8V No Yes Check the VBATT Voltage Check the pin of UCP200 Check the initial operation Check the current consumption ...

Page 38: ...SAMSUNG Proprietary Contents may change without notice 9 2 Flow Chart of Troubleshooting ...

Page 39: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 9 3 ...

Page 40: ...SAMSUNG Proprietary Contents may change without notice 9 4 Flow Chart of Troubleshooting ...

Page 41: ...ion Failure Check the UCP200 If it has some problem adjust it END No Yes Is the pin K9 of UCP200 Low High Yes Check the UCP300 32 768kHz wave forms at the C314 and C315 Check the LCD Part Yes No Yes Yes The Voltage is High at the C215 Check the Audio Part No Check the UCP200 If it has some problem adjust it Check the UCP200 LCD display is O K No No Yes Yes Sound is O K No ...

Page 42: ...SAMSUNG Proprietary Contents may change without notice 9 6 Flow Chart of Troubleshooting ...

Page 43: ...ow Chart of Troubleshooting 9 7 9 3 SIM Part Are there any Signals at pin N9 R10 P10 of UCP200 Insert SIM is displayed on the LCD Check the SIM Card END No Yes Yes Yes No Check the SIM200 Are there any Signals at pin K12 K11 K14 J11 of SIM200 Check the UCP300 ...

Page 44: ...SAMSUNG Proprietary Contents may change without notice 9 8 Flow Chart of Troubleshooting ...

Page 45: ...eshooting 9 9 9 4 Charging Part The pin 17 18 of IFC800 is TA_VEXT 5V Abnormal charging operation Replace TA or Check IFC800 No END Yes The pin 8 of U201 is 3 2 4 2V Check the U201 No Yes No Solder again or change R217 Yes The ICHRG 1 4V during charging and 180mV full charging ...

Page 46: ...SAMSUNG Proprietary Contents may change without notice 9 10 Flow Chart of Troubleshooting ...

Page 47: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 9 11 ...

Page 48: ...Microphone Part Is the assembled status of microphone O K Microphone does not work TA622 2 5V Reassemble the microphone Solder the microphone again or Replace around Mic Circuit C610 C619 R615 R618 END No Yes Yes Yes Yes No Is microphone ok No Check UCP200 Check the reference voltage on Mic path ...

Page 49: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 9 13 ...

Page 50: ... K There is no sound from Speaker No Replace the Speaker The pin 4 of U600 is Low Check U600 The pin 4 of U600 is High Check U600 Are there any signals at the pin 5 and pin 7 of U600 END Yes Yes No The type of sound from the Speaker is Melody Yes No No No Yes Yes Yes Are there any signals at the pin 2 and pin 10 of U600 No Check UCP200 ...

Page 51: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 9 15 ...

Page 52: ...t Camera function does not work Yes No Connect the camera module Check the Camera connector on LCD module Yes HDC500 pin40 2 8V No Check LCD and HDC500 Yes OSC700 Pin 3 24MHz No Check OSC700 and R707 Yes U700의 C717 2 8V Yes No Check the U701 pin10 Is there another problem END Replace the camera module Yes ...

Page 53: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 9 17 ...

Page 54: ...SAMSUNG Proprietary Contents may change without notice 9 18 Flow Chart of Troubleshooting ...

Page 55: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 9 19 ...

Page 56: ...12 65 dbm Check U102 pin 23 24 65dBm Yes No No Check U100 pin 14 65 dbm Yes No Yes Check ANT C126 L113 C104 Resolder or change CN100 L101 L111 L100 C102 C199 L115 Resolder or change U100 Resolder or change F104 C132 C133 L114 Resolder or change UCP300 CONTINOUS RX ON RF INPUT 62CH AMP 50dbm Check U102 pin 13 2 9V Yes Resolder or change UCP200 Yes No No 1 2 3 4 5 ...

Page 57: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 9 21 5 1 2 3 4 ...

Page 58: ...dbm Check U102 pin 19 20 65dBm Yes No No Check U100 pin 18 65 dbm Yes No Yes Check ANT C126 L113 C104 Resolder or change CN100 L101 L111 L100 C102 C199 L115 Resolder or change PAM100 Resolder or change F102 C117 C118 L105 Resolder or change UCP300 CONTINOUS RX ON RF INPUT 698CH AMP 50dbm Check U102 pin 13 2 9V Yes Resolder or change UCP200 Yes No No 1 2 3 4 5 ...

Page 59: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 9 23 5 1 2 3 4 ...

Page 60: ...dbm Check U102 pin 19 20 65dBm Yes No No Check U100 pin 18 65 dbm Yes No Yes Check ANT C126 L113 C104 Resolder or change CN100 L101 L111 L100 C102 C199 L115 Resolder or change PAM100 Resolder or change F103 C122 C125 L106 Resolder or change UCP300 CONTINOUS RX ON RF INPUT 661CH AMP 50dbm Check U102 pin 13 2 9V Yes Resolder or change UCP200 Yes No No 1 2 3 4 5 ...

Page 61: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 9 25 5 1 2 3 4 ...

Page 62: ...o CONTINUS TX ON CONDITION TX POWER DAC 554 CODE APPLIED CH 62CH RBW 100KHz VBW 100KHz SPAN 10MHz REF LEV 10dBm ATT 20dB U100 pin 11 about 4 5dbm Yes Yes No U100 pin 7 3 7V U102 check change No Battery UCP200 check change Yes U100 pin 8 1 2V No UCP200 check Yes U100 pin 6 3V No UCP200 check U102 pin 12 13 28 29 2 9V U100 change or resolder UCP200 change or resolder No Yes U102 change or resolder Y...

Page 63: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 9 27 1 2 3 2 7 5 6 8 4 ...

Page 64: ...2 8V U100 pin 1 about 4 5dbm Yes Check U102 pin 16 about 2 3 dbm No Check and change UCP200 UCP300 Yes No Yes Check and change CN100 L101 L111 L100 C102 C199 L115 No U102 check change No Battery UCP200 check change Yes No UCP200 check Yes No Yes No UCP200 check Yes U100 change or resolder U102 pin 12 13 28 29 2 9V No UCP200 change or resolder Yes U102 change or resolder U100 pin 7 3 7V U100 pin 8 ...

Page 65: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 9 29 1 2 3 2 7 5 6 8 4 ...

Page 66: ...SAMSUNG Proprietary Contents may change without notice 9 30 Flow Chart of Troubleshooting ...

Page 67: ...PSK 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 Di...

Page 68: ...SAMSUNG Proprietary Contents may change without notice Reference data 10 2 This Document can not be used without Samsung s authorization ...

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