Samsung SGH-C450 Service Manual Download

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GSM TELEPHONE

SGH-C450

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-C450

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: ...be punished under applicable International and or domestic law 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: ...5 960 1710 1785 1805 1880 ARFCN range 0 124 975 1023 512 885 Tx Rx spacing 45MHz 95MHz Mod Bit rate Bit Period 270 833kbps 3 692us 270 833kbps 3 692us Time Slot Period Frame Period 576 9us 4 615ms 576 9us 4 615ms Modulation 0 3GMSK 0 3GMSK MS Power 33dBm 5dBm 30dBm 0dBm Power Class 4 max 33dBm 1 max 30dBm Sensitivity 102dBm 100dBm TDMA Mux 8 8 Cell Radius 35Km 2Km 2 1 GSM General Specification ...

Page 6: ... 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 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 2 2 GSM TX power class ...

Page 7: ...without notice 3 Operation Instruction and Installation 3 1 This Document can not be used without Samsung s authorization Main Function S20 Pin TA No Java No MMS FM radio WAP 2 0 10 Poly S W MIDI Dual band 900 1800MHz GPRS Class 10 VGA camera ...

Page 8: ...SAMSUNG Proprietary Contents may change without notice Operation Instruction and Installation 3 2 This Document can not be used without Samsung s authorization ...

Page 9: ...ice 4 Array course control 4 1 This Document can not be used without Samsung s authorization 4 1 Software Adjustments 1 JIG Box Download Trace Calibration etc 2 RF test cable RF test 3 Test cable JIG to phone 4 Serial cable PC to JIG 5 TA Travel Adaptor ...

Page 10: ...be used without Samsung s authorization 4 2 Software Downloading 4 2 1 Downloading Binary Files 2 binary files for downloading C450 C450XAGD3 cla C450XAGD3 tfs 4 2 2 Pre requsite for Downloading Downloader Program C450 Downloader 2 0NEW SGH C450 Mobile Phone JIG BOX Test Cable Serial Cable Binary files ...

Page 11: ...without notice Array course control 4 3 This Document can not be used without Samsung s authorization 4 2 3 S W Downloader Program 1 Load the binary download program by executing the C450 Downloader 2 0NEW 2 Select the Port Baud Rate and Mode ...

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

Page 13: ... change without notice Array course control 4 5 This Document can not be used without Samsung s authorization 4 Press the Start button and connect the Handset 5 When downloading is complete automatically the small window was showed up ...

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: ... 5 Exploded View and Parts List 5 1 This Document can not be used without Samsung s authorization 5 1 Cellular phone Exploded View QMW02 QKP01 QLC01 QMP01 QSP01 QAN02 QMO01 QRE01 QRF01 QCR68 QFR01 QME01 QCR17 QSH01 QCA01 QBA01 QBA00 QMI01 QSP05 QRF03 QMI03 ...

Page 16: ... 001399 QKP01 ASSY KEYPAD EU BLK V3 GH98 06072B QLC01 LCD LCD MODULE GH07 01056A QME01 DOME SHEET DOME SHEET 22KEY MA GH59 04572A QMO01 MOTOR DC GH31 00296A QMP01 PBA MAIN SGHC450 GH92 03544A QMW02 PCT COVER WINDOW MAIN GH72 41907B QRE01 ASSY CASE REAR GH98 05044B QRF01 TAPE SHEET RF GH74 32599B QSH01 ASSY BRACKET SHIELD CAN GH98 05378A QSP01 SPEAKER 3001 002100 QMI01 MICROPHONE ASSY SGHC420 GH30 ...

Page 17: ...02 000634 ADAPTOR ATADS10EBE BLK EU GH44 01702A EARPHONE AAEP405MBE S20 BLK EU GH59 04874A LABEL P UNIT SEAL GH68 00518B LABEL P IMEI GH68 01335D LABEL R WATER SOAK GH68 09361A LABEL R MAIN EU GH68 15206A MANUAL USERS EU ROMANIAN GH68 15253A BOX UNIT EU GH69 05570B TAPE INSU GH74 13822A TAPE INSU GH74 28075A MPR VINYL BOHO WINDOW GH74 31711A VINYL BOHO WINDOW MAIN TOP GH74 32641A ...

Page 18: ...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 19: ...23 C CER CHIP 2203 000278 SA C124 C CER CHIP 2203 000679 SA C202 C CER CHIP 2203 002709 SA C203 C CER CHIP 2203 002709 SA C204 C CER CHIP 2203 002709 SA C205 C CER CHIP 2203 002709 SA C206 C CER CHIP 2203 000254 SA C207 C CER CHIP 2203 002709 SA C208 C CER CHIP 2203 002709 SA C209 C CER CHIP 2203 000254 SA C210 C CER CHIP 2203 000254 SA C211 C CER CHIP 2203 005482 SA C212 C CER CHIP 2203 005482 SA...

Page 20: ...C CER CHIP 2203 000233 SA C416 C CER CHIP 2203 005481 SA C417 C CER CHIP 2203 005481 SA C418 C CER CHIP 2203 005482 SA C419 C CER CHIP 2203 006137 SA C420 C CER CHIP 2203 006137 SA C421 C CER CHIP 2203 006324 SA C422 C CER CHIP 2203 006562 SA C423 C CER CHIP 2203 006562 SA C424 C CER CHIP 2203 006562 SA C425 C CER CHIP 2203 000995 SA C426 C CER CHIP 2203 000995 SA C427 C CER CHIP 2203 006824 SA C4...

Page 21: ...VS 0406 001223 SA D404 DIODE TVS 0406 001223 SA D501 DIODE TVS 0406 001231 SA D502 DIODE TVS 0406 001231 SA D503 DIODE TVS 0406 001231 SA D504 DIODE TVS 0406 001231 SA D505 DIODE TVS 0406 001197 SA D506 DIODE ZENER 0403 001547 SA D601 DIODE TVS 0406 001150 SA F100 FILTER SAW 2904 001731 SA F501 FILTER EMI ESD 2901 001349 SA F601 FILTER EMI SMD 2901 001329 SA IFC500 SOCKET INTERFACE 3710 002499 SA ...

Page 22: ... 002199 SA MEM201 IC MCP 1108 000059 SA OSC100 CRYSTAL SMD 2801 004455 SA OSC300 CRYSTAL SMD 2801 003856 SA PAM100 IC POWER AMP 1201 002490 SA Q501 FET SILICON 0505 002088 SA R101 R CHIP 2007 007092 SA R103 R CHIP 2007 000143 SA R108 R CHIP 2007 000143 SA R109 R CHIP 2007 000143 SA R110 R CHIP 2007 000143 SA R111 R CHIP 2007 000143 SA R112 R CHIP 2007 003001 SA R114 R CHIP 2007 000932 SA R115 R CH...

Page 23: ...HIP 2007 000140 SA R405 R CHIP 2007 000140 SA R406 R CHIP 2007 002796 SA R407 R CHIP 2007 002796 SA R408 R CHIP 2007 000140 SA R409 R CHIP 2007 000140 SA R410 R CHIP 2007 000172 SA R411 R CHIP 2007 000171 SA R412 R CHIP 2007 000138 SA R413 R CHIP 2007 000171 SA R414 R CHIP 2007 000138 SA R415 R CHIP 2007 000172 SA R416 R CHIP 2007 000171 SA R417 R CHIP 2007 000171 SA R418 R CHIP 2007 000148 SA R41...

Page 24: ... 2007 003004 SA R615 R CHIP 2007 000174 SA R616 R CHIP 2007 003030 SA R617 R CHIP 2007 003030 SA R618 R CHIP 2007 000174 SA R619 R CHIP 2007 000162 SA R620 R CHIP 2007 003030 SA RFS100 CONNECTOR COAXIAL 3705 001358 SA SIM300 CONNECTOR CARD EDGE 3709 001400 SA TA100 C TA CHIP 2404 001496 SA TA301 C TA CHIP 2404 001381 SA TA302 C TA CHIP 2404 001381 SA TA303 C TA CHIP 2404 001381 SA TA401 C TA CHIP ...

Page 25: ... Code STATUS VR301 VARISTOR 1405 001082 SA VR601 VARISTOR 1405 001082 SA VR602 VARISTOR 1405 001082 SA VR603 VARISTOR 1405 001082 SA VR604 VARISTOR 1405 001082 SA VR605 VARISTOR 1405 001082 SA VR606 VARISTOR 1405 001082 SA VR607 VARISTOR 1405 001082 SA VR608 VARISTOR 1405 001082 SA VR609 VARISTOR 1405 001121 SA ZD100 DIODE TVS 0406 001267 SA ZD300 DIODE ZENER 0403 001340 SA ...

Page 26: ...SAMSUNG Proprietary Contents may change without notice Main Electrical Parts List 6 8 This Document can not be used without Samsung s authorization ...

Page 27: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization 7 Block Diagrams 7 1 7 1 Main Block Diagram ...

Page 28: ...SAMSUNG Proprietary Contents may change without notice Block Diagrams 7 2 This Document can not be used without Samsung s authorization 7 2 RF Solution Block Diagram ...

Page 29: ...SAMSUNG Proprietary Contents may change without notice 8 PCB Diagrams 8 1 This Document can not be used without Samsung s authorization Top ...

Page 30: ...SAMSUNG Proprietary Contents may change without notice PCB Diagrams 8 2 This Document can not be used without Samsung s authorization Bottom ...

Page 31: ... Not OK Not OK Check VCC_SYN_2 8V and VDD3_1 8V of U101 Solder PMIC U101 C120 and C121 again END OK Check the pin 1 of OSC100 produces clock signal Solder OSC100 again OK Check the pin 7 of U101 produces 13M pulse signal Solder OSC100 U101 and C118 again OK Is Power On working OK Repeat sequence Yes Change battery Check battery voltage is higher than 3 3V Yes POWER ON does not work ...

Page 32: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 2 Power On ...

Page 33: ...of Troubleshooting This Document can not be used without Samsung s authorization 9 3 9 2 Initial Initial Failure Yes Check VDD1 VDD3 1 8V VDD2 2 8V and AVDD 2 6V of UCP 200 Not OK Check U300 OK Check D_REF_13M of UCP 200 Check U100 and POWER ON Sequence OK END Not OK ...

Page 34: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 4 ...

Page 35: ...eshooting This Document can not be used without Samsung s authorization 9 5 9 3 SIM Part Insert SIM is displayed on the LCD The voltage is 2 8V at the pin 1 SIM300 No Check UCP200 C419 Yes Is there any signal pin 2 3 4 of SIM300 Check UCP 200 U300 No Yes Check the SIM Card END ...

Page 36: ...t OK Check the connection of MIC Solder MIC again Yes Replace MIC OK Is Phone MIC working OK Solder TA401 R405 R406 and R407 again Check the components which are connected to MIC_BIAS_2 15V Solder C401 C402 C404 C405 L401 L402 L403 L404 and R402 again Check the circuit of MIC PART OK END Solder R325 again and check U300 Check MIC_BIAS_2 15V When UCP200 operates and call is connected Not OK Not OK ...

Page 37: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 7 ...

Page 38: ...ork Yes Not OK Check the connection of IFC500 Solder pin 3 4 of IFC500 again Solder L501 L502 C407 C408 C413 and R418 again Check the circuit of EAR MIC OK OK Solder R325 again and check U300 Check MIC_BIAS_2 15V When UCP200 operates and call is connected OK END Solder IFC500 R505 again Check JACK IN is low when ear jack is inserted Not OK Not OK Is Earphone MIC working Repeat the sequence Yes No ...

Page 39: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 9 ...

Page 40: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 10 ...

Page 41: ...in 5 6 7 of IFC500 L504 L505 and L506 again Check the circuit of IFC500 OK Check the voltages of R502 R504 R505 and R530 are 2 8V Not OK Solder R344 R346 R347 and R530 again OK Not OK Check the circuit R500 R501 and U401 Solder R500 and R501 again OK No Check R410 R415 C217 and C218 No Check UCP200 or Change UCP200 Is JACK_INT signal LOW When UCP200 operates Solder R505 again Check EAR SW Solder F...

Page 42: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 12 ...

Page 43: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 13 ...

Page 44: ...ng s authorization Flow Chart of Troubleshooting 9 14 9 7 Charging Part Abnormal charging operation Yes Not OK Check DC jack OK Solder R307 again or change a battery OK Not OK Check R307 Replace the TR300 Check TR300 E B C OK Not OK OK END Replace the U300 Check the 32 Pin and 33 Pin of U300 Not OK ...

Page 45: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 15 ...

Page 46: ...Chart of Troubleshooting 9 16 9 8 Speaker Part Speaker does not work Yes Not OK Check R410 and R415 Solder L407 and L408 again OK Replace UCP200 Check UCP200 OK END Replace the speaker Not OK Solder U401 again Not OK Check Pin 15 17 of U401 OK Check L407 and L408 Not OK Solder R410 and R415 again or replace U401 OK Not OK ...

Page 47: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 17 ...

Page 48: ... without Samsung s authorization Flow Chart of Troubleshooting 9 18 9 9 Key Data Input When one of the keys is pushed is it displayed on LCD Check the Dome sheet Key FPCB END No Yes Yes Check Initial Operation When one of the keys is pushed KEYSENSE 0 4 KYPD9 1 7 Replace the PBA No Yes ...

Page 49: ... can not be used without Samsung s authorization 9 19 9 10 Back Light for Color Main LCD Is BACKLIGHT set AlwaysON in the Menu Set BACKLIGHT on Always ON END No Yes Yes Backlight does not work Check the outflow voltage of U402 PIN 5 is equal to 3 7V Replace U402 Not OK OK Yes Replace the LCD Module ...

Page 50: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 20 ...

Page 51: ...f Troubleshooting This Document can not be used without Samsung s authorization 9 21 9 11 Key Back Light key Backlight does not work Replace LED Yes OK Not OK Replace U300 Check V_KEY_3 2V Yes Yes No END Set BACKLIGHT on Always ON Is BACKLIGHT set AlwaysON in the Menu ...

Page 52: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 22 ...

Page 53: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 23 ...

Page 54: ...ization Flow Chart of Troubleshooting 9 24 9 15 GSM Receiver RX ON RF INPUT 62CH AMP 50dBm Yes Check PAM100 pin 7 EGSMRX 65dBm No Resolder or Change PAM100 Yes Yes END Check U100 pin 17 18 EGSMRX 65dBm No Resolder or Change F100 Check UCP200 MOD_STANDBY HIGH PON_PA LOW BAND LOW Yes No Resolder or Change UCP200 ...

Page 55: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 25 ...

Page 56: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 26 ...

Page 57: ...low Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 27 9 15 GSM Transmitter Yes PAM100 Pin11 30dBm Resolder PAM100 TX MODULE TX ON 5Level PAM100 pin17 20dBm Resolder U100 TRANSCEIVER Yes Yes No No END Check UCP200 Yes ...

Page 58: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 28 ...

Page 59: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 29 ...

Page 60: ...zation Flow Chart of Troubleshooting 9 30 9 16 DCS Receiver Yes Check PAM100 pin 15 DCSRX 65dBm No Resolder or Change PAM100 Yes Yes END Check U100 pin 15 16 DCSRX 65dBm No Resolder or Change F100 Check UCP200 MOD_STANDBY HIGH PON_PA LOW BAND HIGH Yes No Resolder or Change UCP200 RX ON RF INPUT 698CH AMP 50dBm ...

Page 61: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 31 ...

Page 62: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 32 ...

Page 63: ...ut notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 33 9 17 DCS Transmitter PAM100 Pin11 30dBm Resolder PAM100 TX MODULE TX ON 5Level PAM100 pin19 20dBm Resolder U100 TRANSCEIVER END Check UCP200 ...

Page 64: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 34 ...

Page 65: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 35 ...

Page 66: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 36 ...

Page 67: ...uthorization Reference Abbreviate ARFCN Absolute Radio Frequency Channel Number BER Bit Error Rate BPSK Binary Phase Shift Keying ESD Electrostatically Sensitive Devices ETSI European Telecommunications Standards Institute MS Mobile Station QPSK Quadrature Phase Shift Keying RF Radio Frequency TDMA Time Division Multiple Access ...

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

Page 69: ...e a case or to scratch the one 1 Be cautious when you remove a screw It is possible to damage a case or to scratch the one 1 Be careful for breaking a component 1 Be careful for damaging a speaker wire and a LCD wire 11 1 Disassembly Instructions 3 Detach a locker which holds a PBA 4 Detach a speaker by using a pincette 1 Remove 4 screws from a rear case REAR Screw 1 2 Disassemble a rear case by u...

Page 70: ...ing a speaker There is a possibility for disconnecting a wire 1 Be cautious when you remove a screw It is possible to damage a case or to scratch the one 1 Be cautious when you remove a screw It is possible to damage a case or to scratch the one 11 2 Assembly Instructions 1 2 3 4 1 Put a Keypad to a front case 1 Insert a speaker and a LCD to a front case 2 Insert a MIC to a hole which is shown bel...

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