Samsung SGH-C240 Service Manual Download

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GSM TELEPHONE

SGH-C240

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

Summary of Contents for SGH-C240

Page 1: ...HONE CONTENTS 1 Safety 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 ...

Page 2: ...tion 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 Part list 5 2 5 3 Disassembly Assembly Instructions 5 4 6 MAIN Electrical Parts List 7 Block Diagrams 8 PCB Diagrams ...

Page 3: ...g 9 1 Baseband 9 1 1 Power On 9 1 9 1 2 Initial 9 3 9 1 3 Sim Part 9 5 9 1 4 Microphone Part 9 7 9 1 5 Speaker Part 9 9 9 1 6 LCD Backlight 9 11 9 2 RF 9 2 1 GSM RX 9 12 9 2 2 DCS RX 9 14 9 2 3 GSM TX 9 17 9 2 4 DCS Tx 9 19 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: ...75 1023 512 885 Tx Rx spacing 45MHz 45MHz 95MHz 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 13dBm 33dBm 5dBm 30dBm 0dBm Power Class 5pcl 15pcl 5pcl 19pcl 0pcl 15pcl Sensitivity 102dBm 102dBm 100dBm TDMA Mux 8 8 8 Cell Radius 35Km 35...

Page 7: ... 6 31 2 dBm 1 28 3 dBm 7 29 2 dBm 2 26 3 dBm 8 27 2 dBm 3 24 3 dBm 9 25 2 dBm 4 22 3 dBm 10 23 2 dBm 5 20 3 dBm 11 21 2 dBm 6 18 3 dBm 12 19 2 dBm 7 16 3 dBm 13 17 2 dBm 8 14 3 dBm 14 15 2 dBm 9 12 4 dBm 15 13 2 dBm 10 10 4 dBm 16 11 3 dBm 11 8 4dBm 17 9 3dBm 12 6 4 dBm 18 7 3 dBm 13 4 4 dBm 19 5 3 dBm 14 2 5 dBm 15 0 5 dBm ...

Page 8: ...ectronic name card Web browser Access the wireless web to get current information and up to the minute a wide variety of media content Multimedia Message Service MMS Send and receive MMS messages with a combination of text image video and audio E mail Send and receive emails with image video and audio attachments Java Enjoy Java based embedded games and download new games Calendar Keep track of yo...

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 4 1 Software Adjustments TEST JIG GH80 00865A DATA CABLE GH39 00127A RF Test Cable GH39 00283A ...

Page 11: ...le Binary file for downloading C240 C240XXYY s3 Main source code binary 4 2 2 Pre requsite for Downloading Downloader Program OptiFlash exe C240 Mobile Phone Data Cable Binary file 4 2 3 S W Downloader Program 1 Load the binary download program by executing the OptiFlash exe 2 Select the Options Settings Generic Specify hardware platform Choose hardware platform for the downloader file setting ...

Page 12: ...change without notice Array course control 4 3 This Document can not be used without Samsung s authorization Set the everything else as the default values which are shown below 3 Select the COM port when the download cable is connected ...

Page 13: ...will use to communicate with the phone However OptiFlash will use a slower speed if either the PC s or the phone s serial hardware is incapable of handling the selected speed 4 Select the Flash Verify Browse Set the directory path and choose the latest s w binary for example C240XXYY s3 for the downloader binary setting Make sure that not to change the reserved memory regions In case of C240 the r...

Page 14: ...lash button push the button and END at the same time Then press Flash Downloader will upload the binary file as below for the downloading 6 When downloading is finished successfully there is a All is well message 7 After finishing downloading Certain memory resets should be done to guarantee the normal performance 8 Confirm the downloaded version name and etc 5002 8376263 Full Reset 2767 3855 ...

Page 15: ...SAMSUNG Proprietary Contents may change without notice Array course control 4 6 This Document can not be used without Samsung s authorization ...

Page 16: ...is Document can not be used without Samsung s authorization 5 Exploded View Disassembly Assembly Instructions 5 1 Cellular phone Exploded View QMW02 QKP01 QFR01 QAR01 QLC01 QMP01 QAN05 QSP01 QAN02 QSC01 QRE01 QRF03 QIF01 QRF01 QME01 QMI01 QMO01 QCR06 QBA01 QBA00 ...

Page 17: ... BLK GH43 02483A QCR06 SCREW MACHINE 6001 001155 QFR01 ASSY CASE FRONT GH98 01615A QKP01 ASSY KEYPAD SER SIL GH98 01995A QLC01 LCD LCD MODULE GH07 00928A QME01 UNIT METAL DOME GH59 03278A QMI01 MICROPHONE ASSY SGHC240 GH30 00288A QMO01 MOTOR DC SGHC240 GH31 00268A QMP01 PBA MAIN SGHC240 GH92 02900A QMW02 PCT COVER WINDOW MAIN GH72 34846A QRF01 MPR TAPE SHEET RF COVER GH74 27237A QSC01 MPR TAPE SHE...

Page 18: ... BAG PE 6902 000634 ADAPTOR SGHD500 TA GH44 01451A UNIT EARPHONE SIL GH59 02472B LABEL P WATER SOAK GH68 02026A LABEL P WATER SOAK GH68 02026A MANUAL SFC GH68 04336A LABEL P BARCODE RUSSIA GH68 08494A LABEL R MAIN SER GH68 11762C MANUAL USERS EU RUSSIAN GH68 11868A BOX UNIT SER GH69 04190B MPR SPONGE INTENNA CARRIER GH74 27236A MPR TAPE RECEIVER GH74 29274A MPR TAPE EMI SHEET GH74 29420A ...

Page 19: ...our point form Rear 2 And remove the IF cover 1 Make the space between rear cover and front cover using assembly stick 2 And then widen space with hand and separate 2 parts 1 Separate the PBA from front cover regard of 2 hooks and lift up 1 Remove the tape from front cover 2 And Remove the receiver from front cover using removing hole 1 2 3 4 5 3 Disassembly Assembly Instructions Disassembly ...

Page 20: ... can not be used without Samsung s authorization 1 Loosen the 4 hooks of intenna carrier from PBA board and separate 1 And separate the LCD module from PBA board using removing hole with pinset 1 Remove the LCD module from PBA board using soldering tip 1 Verify all kinds of elements after finishing disassembling 5 6 8 7 ...

Page 21: ...CB to PBA board using 2 point of mark 2 And soldering the module and attach the LCD module on PBA regarding guide hole 1 Assemble the intenna carrier to PBA board using hooks like picture 1 Insert the receiver to receiver hole and push 2 Attach the Tape on receiver air hole like a picture 1 Insert the upside of PBA to front 2 And locking the hook like picture 3 Insert the mic in mic hole on front ...

Page 22: ... may change without notice Exploded View Disassembly Assembly Instructions 5 7 This Document can not be used without Samsung s authorization 1 Assemble the rear to front from top side 1 Fasten the 4 point of screw like picture 5 6 ...

Page 23: ...SAMSUNG Proprietary Contents may change without notice Exploded View Disassembly Assembly Instructions 5 8 This Document can not be used without Samsung s authorization ...

Page 24: ...01474 SA C136 C CER CHIP 2203 006048 SA C137 C CER CHIP 2203 006048 SA C139 C CER CHIP 2203 000359 SA C141 C CER CHIP 2203 000585 SA C142 C CER CHIP 2203 006048 SA C143 C CER CHIP 2203 006048 SA C200 C CER CHIP 2203 000254 SA C201 C CER CHIP 2203 001072 SA C202 C CER CHIP 2203 006048 SA C203 C CER CHIP 2203 006324 SA C204 C CER CHIP 2203 000995 SA C205 C CER CHIP 2203 000812 SA C206 C CER CHIP 220...

Page 25: ...R CHIP 2203 000995 SA C417 C CER CHIP 2203 000278 SA C418 C CER CHIP 2203 006048 SA C419 C CER CHIP 2203 001153 SA C420 C CER CHIP 2203 001153 SA C422 C CER CHIP 2203 000254 SA C423 C CER CHIP 2203 001405 SA C500 C CER CHIP 2203 006466 SA C503 C CER CHIP 2203 000940 SA C504 C TA CHIP 2404 001381 SA C505 C CER CHIP 2203 002709 SA C506 C CER CHIP 2203 006091 SA C507 C CER CHIP 2203 006825 SA C508 C ...

Page 26: ...S 0406 001223 SA D504 DIODE TVS 0406 001223 SA EAR400 JACK EAR PHONE 3722 002010 SA F100 DUPLEXER ASM 2911 000067 SA F101 FILTER SAW 2904 001744 SA F800 FILTER EMI SMD 2901 001254 SA IFC800 CONNECTOR INTERFACE 3710 001611 SA L102 R CHIP 2007 000171 SA L103 INDUCTOR SMD 2703 002269 SA L105 C CER CHIP 2203 000550 SA L106 C CER CHIP 2203 000995 SA L107 INDUCTOR SMD 2703 002370 SA L108 INDUCTOR SMD 27...

Page 27: ...01 R CHIP 2007 000171 SA R203 R CHIP 2007 000171 SA R208 R CHIP 2007 000171 SA R209 R CHIP 2007 000167 SA R210 R CHIP 2007 000172 SA R212 R CHIP 2007 000172 SA R213 R CHIP 2007 000162 SA R215 R CHIP 2007 007142 SA R216 R CHIP 2007 000154 SA R217 R CHIP 2007 000153 SA R218 R CHIP 2007 000162 SA R219 R CHIP 2007 000140 SA R220 R CHIP 2007 000171 SA R300 R CHIP 2007 000157 SA R301 R CHIP 2007 000157 ...

Page 28: ...P 2007 000172 SA R507 R CHIP 2007 000172 SA R508 R CHIP 2007 001325 SA R509 R CHIP 2007 003001 SA R510 R CHIP 2007 000171 SA R511 R CHIP 2007 008137 SA R512 R CHIP 2007 008137 SA R513 R CHIP 2007 000162 SA R514 R CHIP 2007 000171 SA R515 R CHIP 2007 000172 SA R516 R CHIP 2007 000172 SA R601 R CHIP 2007 000172 SA R602 R CHIP 2007 000171 SA R700 R CHIP 2007 001307 SA R701 R CHIP 2007 001301 SA R702 ...

Page 29: ...1811 SA U501 IC DEMODULATOR 1204 002688 SA U502 IC AUDIO AMP 1201 002356 SA U503 IC POSI FIXED REG 1203 003737 SA U700 VARISTOR 1405 001082 SA U701 IC DC DC CONVERTER 1203 004247 SA UCP200 IC POWER SUPERVISOR 1203 003304 SA UCP300 IC MICOM SGHX480 GH09 00036A SA VR401 VARISTOR 1405 001082 SA VR402 VARISTOR 1405 001082 SA VR403 DIODE TVS 0406 001223 SA VR404 DIODE TVS 0406 001223 SA VR700 VARISTOR ...

Page 30: ...msung s authorization 7 Block Diagrams 7 1 Si4210 LNA LNA LNA LNA DIGITAL FILTER ANALOG INTERFACE VCO FREQUENCY SYNTHESIZER ф DET DCXO 0 90 DUAL SAW FILTER GSM DCS CPS2200B1 PGA PGA I ADC Q ADC PGA PGA Low IF Digital PAM EGSM Tx DCS Tx XOUT AFC Q I Crystal DUAL ASM GSM DCS EGSM Rx DCS Rx Antenna ...

Page 31: ...SAMSUNG Proprietary Contents may change without notice 8 PCB Diagrams 8 1 This Document can not be used without Samsung s authorization Top ...

Page 32: ...SAMSUNG Proprietary Contents may change without notice PCB Diagrams 8 2 This Document can not be used without Samsung s authorization Bottom ...

Page 33: ...o Yes Yes END Yes Check the Initial Operation Yes Charge the battery No Check the Voltage of the Battery 3 3V check keypad No Check the pin C152 C153 C155 C168 of U107 is 2 8V Check Power On key No check UCP200 and C200 Yes 1 Check the clock signal at pin 4 of OSC100 Freq 26Mhz Vrms 300mV No Check the clock generation circuit OSC100 Yes 2 ...

Page 34: ...S2 R2 VSS3 P6 VSS4 A6 VDDB VDDD N11 L11 VDDV N5 VDD_IO1 J4 VDD_IO2 C4 VDD_OCTL M3 N6 VDD3 B4 GND_OCTL F8 GNDS2 F9 GNDS3 F10 GNDS4 G7 GNDS5 GNDS6 G8 G9 GNDS7 G10 GNDS8 H6 GNDS9 P13 GNDV F6 GNDB M10 GNDD F7 GNDS1 H7 GNDS10 GNDS11 H8 D13 AUX_ADC3 C200 VCCD VCCA ...

Page 35: ...00 is LOW Check UCP300 No Yes Yes END Yes Check the Initial Operation Yes Check R104 R108 R200 C124 No check the pin CKI of UCP300 is 13Mhz Check the clock signal at pin 3 of OSC100 Freq 26Mhz No check OSC100 1 Check the pin 9 of UCP300 is HIGH and pin 11 13 is 2 9V No Check UCP200 Yes 2 3 4 ...

Page 36: ...Flow Chart of Troubleshooting 9 4 3 2 4 1 ...

Page 37: ...eshooting 9 5 9 1 3 Sim Part Insert SIM is displayed on the LCD Is there any signal pin 2 3 4 of SIM200 Check the UCP200 Check the UCP200 UCP300 END No Yes No Yes 1 2 Check the SIM Card The voltage is 2 8V at the pin 1 of ...

Page 38: ...Flow Chart of Troubleshooting 9 6 1 2 2 ...

Page 39: ... Part Call with Sim before testing Check the soldered status of microphone MicroPhone does not work Resolder microphone END No Yes Yes Check the reference voltage on mic path C410 2 0V Yes Resolder or change No Is microphone OK Yes Check UCP200 No 1 2 ...

Page 40: ...Flow Chart of Troubleshooting 9 8 1 2 ...

Page 41: ... Troubleshooting 9 9 9 1 5 Speaker Part There is no sound from speaker Are there any signal at the speaker pad on PCB Replace the speaker module END No No Yes Check R515 R516 of U502 Voltage is 1V Yes Check MEM600 1 ...

Page 42: ...Flow Chart of Troubleshooting 9 10 1 ...

Page 43: ...ing 9 11 9 1 6 LCD Backlight Backlight ON TIME mode in the menu Backlight does not work Check soldering pad between PBA and LCD Select backlight 15 sec mode Check FPCB END No Yes No Check U704 pin 6 10V Check the LCD Yes Yes No ...

Page 44: ...21 22 65dBm Yes No No Check PAM100 pin 16 65 dbm Yes No Yes Check ANT R111 R100 C131 L110 Resolder or change CON100 L103 C100 L102 C101 L104 Resolder or change PAM100 Resolder or change F100 F101 Resolder or change UCP300 CONTINOUS RX ON RF INPUT 62CH AMP 50dbm Check U101 pin 13 2 9V Yes Resolder or change UCP200 Yes No No 1 2 3 4 5 ...

Page 45: ...Flow Chart of Troubleshooting 9 13 1 2 3 4 4 5 ...

Page 46: ...20 65dBm Yes No No Check PAM100 pin 18 65 dbm Yes No Yes Check ANT R111 R101 C129 L108 Resolder or change CON100 L103 C100 L102 C101 L104 Resolder or change PAM100 Resolder or change F100 F101 Resolder or change U300 CONTINOUS RX ON RF INPUT 698CH AMP 50dbm Check U101 pin 13 2 9V Yes Resolder or change UCP200 Yes No No 1 2 3 4 5 ...

Page 47: ...Flow Chart of Troubleshooting 9 15 1 2 3 4 4 5 ...

Page 48: ...Flow Chart of Troubleshooting 9 16 ...

Page 49: ...ODE APPLIED CH 62ch RBW 100KHz VBW 100KHz SPAN 10MHz REF LEV 10dBm ATT 20dB PAM100 pin 5 about 4 5dbm Yes No Yes PAM100 pin 15 3 7V U101 check change No Battery UCP200 check change Yes PAM100 pin 14 1 2V No UCP200 check Yes PAM100 pin 3 3V No UCP200 check U101 pin 12 13 28 29 2 9V PAM100 change or resolder UCP200 change or resolder No Yes U101 change or resolder Yes PAM100 pin 5 about 5dbm No Yes ...

Page 50: ...Flow Chart of Troubleshooting 9 18 1 2 3 2 ...

Page 51: ...heck change 3 PAM100 pin 15 3 7V 4 Battery UCP200 check change No Yes UCP200 check PAM100 pin 14 1 2V 5 No Yes PAM100 pin 9 about 5dbm No Yes PAM100 pin 3 3V 6 UCP200 check No U101 pin 12 13 28 29 2 9V 8 Yes UCP200 change or resolder No PAM100 change or resolder Yes U101 change or resolder 7 CONTINUS TX ON CONDITION TX POWER DAC 560 CODE APPLIED CH 698CH DCS 660CH PCS RBW 100KHz VBW 100KHz SPAN 10...

Page 52: ...Flow Chart of Troubleshooting 9 20 1 2 3 2 ...

Page 53: ...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 54: ...SAMSUNG Proprietary Contents may change without notice Reference Data 10 2 This Document can not be used without Samsung s authorization ...

Page 55: ...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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