Samsung SGH-C230 Service Manual Download

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GSM TELEPHONE

SGH-C230

GSM TELEPHONE

CONTENTS

Specification

Circuit Description

Exploded Views and Parts List

Electrical Parts List

Block Diagrams

PCB Diagrams

Flow Chart of Troubleshooting

Summary of Contents for SGH-C230

Page 1: ...SM TELEPHONE SGH C230 GSM TELEPHONE CONTENTS 1 Specification 2 Circuit Description 3 Exploded Views and Parts List 4 Electrical Parts List 5 Block Diagrams 6 PCB Diagrams 7 Flow Chart of Troubleshooting ...

Page 2: ...Co Ltd MAY 2005 Printed in Korea Code No GH68 07224A BASIC 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: ...ge 0 124 975 1023 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 4: ...SAMSUNG Proprietary Contents may change without notice Specification 1 2 This Document can not be used without Samsung s authorization ...

Page 5: ...r and Tx modulator are controlled by serial data to select channel and use fast lock mode for GPRS high class operation Si4210 U100 The receive section integrates four differential input low noise amplifiers LNAs supporting the GSM850 EGSM900 DCS1800 and PCS1900 bands The LNA inputs are matched to the 150 ohm balanced output SAW filters through externa LC matching network A quadrature Image reject...

Page 6: ...able LDO provides support for 1 8V 3 0V SIMs while a self resetting electronically fused switch supplies power to external accessories Ancillary support functions such as two LED drivers and two call alert drivers aid in reducing both board area and system complexity A four wire serial interface unit SIU provides access to control and configuration registers This interface gives a microprocessor f...

Page 7: ...utput and the ground 2 2 2 Connector JTAG Connector Trident has two JTAG ports which are for ARM core and DSP core DSP16000 So this system has two port connector for these ports Pins initials for ARM core are CP_ and pins initials for DSP core are DSP_ CP_TDI and DSP_TDI signal are used for input of data CP_TDO and DSP_TDO signals are used for the output of the data CP_TCK and DSP_TCK signals are ...

Page 8: ...ortable telephones Moreover the registers of the FM synthesizer can be operated directly for real time sound generation allowing for example utilization of various sound effects when using the game software installed in the portable telephone YMU762 includes a speaker amplifier with high ripple removal rate whose maximum output is 550mW SPVDD 3 6V The device is also equipped with conventional func...

Page 9: ...st signals from each units such as YMU Ear jack Ear mic and CSP1093 need the compatible process Some PPI pins has many special functions CP_KB 0 9 receive the status from key FPCB and are used for the communications using data link cable DEBUG_DTR RTS TXD RXD CTS DSR And UP_CS SCLK SDI control signals for CSP2200 are outputted through PPI pins It has signal port for charging CHG_DET SIM_RESET and ...

Page 10: ...hen notifies the DSP which has sample time to read the information out before the next 32 sample pairs are stored The voice band ADC converter issues an interrupt to the DSP whenever it finishes converting a 16 bit PCM word The DSP then reads the new input sample and simultaneously loads the voice band output DAC converter with a new PCM output word The voice band output can be connected directly ...

Page 11: ... change without notice 3 Exploded View and Parts List 3 1 This Document can not be used without Samsung s authorization QRF03 QVO01 QKP01 QSP01 QMO01 QFR01 QLC01 QMP01 QME01 QAN01 QRE01 QCR11 QBA01 QIF01 QMI01 QRF01 3 1 Exploded View ...

Page 12: ...5 04859A QKP01 MEC KEYPAD GH75 06834B QSP01 SPEAKER 3001 001760 QMO01 MOTOR DC GH31 00163A QLC01 LCD SGHC210 MAIN GH07 00701A QMP01 MAIN PBA GH92 02137A QME01 UNIT METAL DOME GH59 02124A QMI01 MICROPHONE ASSY GH30 00187A QAN01 ANTENNA GH42 00551A QRF03 PMO EAR COVER GH72 21155A QRE01 MEC REAR CASE GH75 06760A QIF01 PMO IF COVER GH72 21397A QCR11 SCREW MACHINE 6001 001654 QRF01 MPR RF SHEET GH74 14...

Page 13: ... ST GH59 01543A LABEL P WATER SOAK SCH X110 NORGE 1 GH68 02026A MANUAL USE SGH C230 XSP ENGLISH SIPL GH68 06943A LABEL R MAIN EU SGH C230 EU POLYES GH68 07006A BOX P UINIT SEA SGH C230 SC300 S12 GH69 02620A CUSHION CASE 1 2 SGH C230 PULP T0 8 GH69 02914A MPR ESD TAPE SGH C200 3M 851 7X5 GH74 05583A MPR MAIN WINDOW BOHO VI SGH C207 STA GH74 09827A MPR MAIN WINDOW BOHO SGH C200 S T 55 GH74 11299A MP...

Page 14: ... view and Part List 3 4 This Document can not be used without Samsung s authorization 3 3 Test Jig GH80 00865A 3 3 1 RF Test Cable GH39 00283A 3 3 2 Test Cable GH39 00127A 3 3 3 Serial Cable 3 3 4 Power Supply Cable 3 3 5 DATA CABLE GH39 00143B 3 3 6 TA GH44 00184A ...

Page 15: ...CER CHIP 2203 005450 C126 C CER CHIP 2203 002677 C127 C CER CHIP 2203 000278 C128 C CER CHIP 2203 005234 C129 C CER CHIP 2203 005234 C130 C CER CHIP 2203 001017 C131 C CER CHIP 2203 000696 C132 C CER CHIP 2203 000696 C133 C CER CHIP 2203 005482 C134 C CER CHIP 2203 000386 C135 C CER CHIP 2203 001412 C136 C CER CHIP 2203 005482 C137 C CER CHIP 2203 001072 C200 C CER CHIP 2203 000254 C201 C CER CHIP...

Page 16: ...C CER CHIP 2203 005065 C324 C TA CHIP 2404 001268 C325 C CER CHIP 2203 000233 C326 C TA CHIP 2404 001268 C327 C CER CHIP 2203 006257 C401 C CER CHIP 2203 000812 C402 C CER CHIP 2203 000812 C403 C CER CHIP 2203 005496 C404 C CER CHIP 2203 000995 C405 C CER CHIP 2203 000628 C406 C CER CHIP 2203 000425 C407 C CER CHIP 2203 005496 C409 C CER CHIP 2203 000812 C410 C TA CHIP 2404 001305 C411 C CER CHIP ...

Page 17: ...8 C545 C CER CHIP 2203 005061 C546 C CER CHIP 2203 006562 C548 C CER CHIP 2203 006257 C549 C TA CHIP 2404 001088 C550 C CER CHIP 2203 006348 C551 C CER CHIP 2203 005482 C552 C CER CHIP 2203 000233 C600 C CER CHIP 2203 005061 C601 C CER CHIP 2203 005061 C602 C CER CHIP 2203 000233 C603 C CER CHIP 2203 000254 C700 C CER CHIP 2203 000438 C701 C CER CHIP 2203 000233 C703 C CER CHIP 2203 006348 C704 C ...

Page 18: ... 001673 L503 INDUCTOR SMD 2703 002206 L701 INDUCTOR SMD 2703 002339 L702 BEAD SMD 3301 001659 LED601 LED 0601 002020 LED602 LED 0601 002020 LED603 LED 0601 002020 LED604 LED 0601 002020 LED605 LED 0601 002020 LED606 LED 0601 002020 LED607 LED 0601 002020 LED608 LED 0601 002020 LED609 LED 0601 002020 LED610 LED 0601 002020 OSC200 CRYSTAL SMD 2801 003856 PCB PCB SGHC230PCB GH41 00865A Q300 TR DIGITA...

Page 19: ...0 R CHIP 2007 000171 R301 R CHIP 2007 001319 R302 R CHIP 2007 000172 R303 R CHIP 2007 000171 R304 R CHIP 2007 000167 R310 R CHIP 2007 007142 R311 R CHIP 2007 008263 R312 R CHIP 2007 000157 R400 R CHIP 2007 007468 R401 R CHIP 2007 007142 R402 R CHIP 2007 000148 R403 R CHIP 2007 007142 R404 R CHIP 2007 007468 R405 R CHIP 2007 001320 R406 R CHIP 2007 000142 R407 R CHIP 2007 001317 R408 R CHIP 2007 00...

Page 20: ...2 R CHIP 2007 000171 R533 R CHIP 2007 000171 R534 R CHIP 2007 000171 R535 R CHIP 2007 000171 R536 R CHIP 2007 000171 R538 R CHIP 2007 000171 R539 R CHIP 2007 000775 R540 R CHIP 2007 001325 R541 R CHIP 2007 000171 R542 R CHIP 2007 000171 R600 R CHIP 2007 000174 R601 R CHIP 2007 000174 R602 R CHIP 2007 000174 R603 R CHIP 2007 000174 R604 R CHIP 2007 000174 R605 R CHIP 2007 000174 R606 R CHIP 2007 00...

Page 21: ...4426 U200 IC MICOM SGHX480 GH09 00036A U201 IC MICOM SGHV100 GH09 00022A U300 IC POWER SUPERVISOR 1203 003304 U301 IC BATTERY 1203 003109 U303 BATTERY LI 2ND 4302 001130 U401 IC VOLTAGE COMP 1202 001068 U402 IC ANALOG SWITCH 1001 001261 U500 IC DEMODULATOR 1204 002398 U501 IC AUDIO AMP 1201 002238 U504 PHOTO IRDA 0604 001261 U505 IC POSI FIXED REG 1203 002782 U506 IC MELODY 1204 002161 U507 IC ANA...

Page 22: ...082 V702 VARISTOR 1405 001082 V703 VARISTOR 1405 001082 V704 VARISTOR 1405 001082 V705 VARISTOR 1405 001082 V706 VARISTOR 1405 001093 VOL_DN SWITCH TACT 3404 001152 VOL_UP SWITCH TACT 3404 001152 ZD501 DIODE TVS 0406 001201 ZD502 DIODE TVS 0406 001201 ZD600 DIODE TVS 0406 001194 ZD601 VARISTOR 1405 001108 ZD602 VARISTOR 1405 001108 ZD603 VARISTOR 1405 001108 ZD701 DIODE TVS 0406 001083 ZD702 DIODE...

Page 23: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization 5 Block Diagrams 5 1 5 1 RF Solution Block Diagram ...

Page 24: ...SAMSUNG Proprietary Contents may change without notice Block Diagrams This Document can not be used without Samsung s authorization 5 2 5 2 Base Band Solution Block Diagram ...

Page 25: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization 6 PCB Diagrams 6 1 6 1 PCB Top Diagram ...

Page 26: ...SAMSUNG Proprietary Contents may change without notice PCB Diagrams This Document can not be used without Samsung s authorization 6 2 6 2 PCB Bottom Diagram ...

Page 27: ...wer On Voltage 3 3V Download again Charge the Battery pin J12 of U300 2 8V Check U300 and C314 pin A13 of U300 2 8V Check U300 and C315 Check the clock signal at pin 3 of U102 Freq 26MHz Vrms 300mV Check the clock generation circuit related to U102 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 U300 Check the initial operation Check the current ...

Page 28: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 7 2 ...

Page 29: ...pin J12 of U300 2 825V Initialization Failure Check the U300 If it has some problem adjust it END No Yes Is the pin K9 of U300 Low High Yes Check the U200 32 768kHz wave forms at the C216 and C217 Check the LCD Part Yes No Yes Yes The Voltage is High at the C313 Check the Audio Part No Check the U300 If it has some problem adjust it Check the U300 LCD display is O K No No Yes Yes Sound is O K No ...

Page 30: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 7 4 ...

Page 31: ...This Document can not be used without Samsung s authorization 7 5 7 3 SIM Part Are there any Signals at pin N9 R10 P10 of U300 Insert SIM is displayed on the LCD Check the U200 Check the SIM Card END No Yes Yes Yes No Check the U300 Are there any Signals at pin K12 K11 K14 J11 of CN100 ...

Page 32: ...thorization Flow Chart of Troubleshooting 7 6 7 4 Charging Part The pin 17 18 of CN701 is TA_VEXT 5V Abnormal charging operation Replace TA or Check CN701 No END Yes The pin 8 of U301 is 3 2 4 2V Check the U301 No Yes No Solder again or change R310 Yes The ICHRG 1 4V during charging and 180mV full charging ...

Page 33: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 7 7 ...

Page 34: ...9 GNDS16 DB14 D3 DB15 D2 DB2 K3 J5 DB3 DB4 J6 DB5 H5 G3 DB6 DB7 G4 DB8 F4 DB9 F1 DINTR K8 DAICK R4 L6 DAIDI DAIDO M6 DAIRN P4 DB0 K1 DB1 K2 DB10 F2 DB11 F3 DB12 E2 DB13 E3 AOUTBN R12 AOUTBP L14 AUXINN AUXINP M15 L13 AUXOUTN AUXOUTP K13 D13 AUX_ADC3 CH_BDRV E11 CH_ISEN F12 CH_RES D14 E9 CREF CSN_PSC AB4 N2 AB5 M2 M1 AB6 AB7 K7 AB8 K5 ADC_AUX1 E10 ADC_AUX2 D15 AFC D9 AOUTAN N12 AOUTAP P11 P12 U300 A...

Page 35: ...Samsung s authorization 7 9 7 5 Microphone Part Is the assembled status of microphone O K Microphone does not work C410 2 5V Reassemble the microphone Solder the microphone again or Replace around Mic Circuit C403 C407 R407 R410 END No Yes Yes Yes Yes No Is microphone ok No Check U300 Check the reference voltage on Mic path ...

Page 36: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 7 10 ...

Page 37: ... 7 11 7 6 Speaker Part Is the terminal of Speaker O K There is no sound from Speaker No Replace the Speaker The pin 4 of U402 is Check U402 The pin 4 of U402 is Check U402 Are there any signals at the pin 5 and 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 No Check U300 ...

Page 38: ... R402 R419 1 V R406 G 14 GND 6 4 IN1 8 IN2 NC1 5 NC2 7 2 NO1 10 NO2 U402 COM1 3 COM2 9 11 G G 12 13 G C411 2 1 3 5 4 VCCD U401 R405 C407 C421 R400 R415 C422 C410 C408 8 8 99 11 GG 12 13 GG 14 11 10 10 2 2 33 4 4 55 6 6 77 CN400 C414 R425 VBAT R404 MIC1 C401 V401 V402 C405 C419 R424 R403 VCCA R409 C412 R401 R412 C416 R417 L403 C402 C417 AOUTBP RADIO_SHUTDOWN SPK_TN SPK_TP EARSPK_R EARSPK_L SPK_TN E...

Page 39: ...X ON RF INPUT 62CH AMP 50dBm NORMAL CONDITION catch the channel U100 CHECK pin 31 26MHz Vp p 860mV F100 CHECK pin 11 65dBm U100 CHECK pin 21 22 65dBm Check soldered status of C108 L111 L102 CN100 resolder or change F100 C127 L108 resolder or change C131 C132 L109 resolder or change U102 CHECK clean 3V CHECK U300 YES NO NO NO NO NO NO YES YES YES YES U102 CHECK 26MHz Vp p 950mV U102 Resolder or Cha...

Page 40: ...ITION TX POWER DAC 500 CODE APPLIED CH 62 RBW 100KHz VBW 100KHz SPAN 10MHz REF LEV 10dBm ATT 20dB F100 pin 7 about 2 3 dBm CN100 C105 check change F100 pin 4 3 V U300 check change C106 4 5dBm U101 check change C109 3 7 V NO NO YES YES YES NO NO BATTERY U100 check change Between R101 U101 1 2V YES NO R101 check change R102 5dBm YES YES U101 change U300 check YES NO U100 change or resolder NO ...

Page 41: ... 50dBm F100 CHECK pin 9 65dBm NORMAL CONDITION catch the channel U100 CHECK pin 31 26MHz Vp p 860mV F100 CHECK pin 1 65dBm U100 CHECK pin 19 20 65dBm Check soldered status of C108 L111 L102 CN100 resolder or change F100 C130 L110 resolder or change C129 C128 L107 resolder or change U102 CHECK clean 3V CHECK U300 YES NO NO NO NO NO NO YES YES YES YES YES U102 CHECK 26MHz Vp p 950mV U102 Resolder or...

Page 42: ... DCS 660CH PCS TX POWER CODE 350 CODE APPLIED RBW 100KHz VBW 100KHz SPAN 10MHz REF LEV 10dBm ATT 20dB U101 change or resolder F100 pin 5 about 2 3 dBm CN100 C105 check change F100 pin 10 3 V U300 check change L101 4 5dBm U101 check change C109 3 7 V NO NO YES YES YES NO NO BATTERY U100 check change Between R101 U101 1 2V YES NO R101 check change NO R100 5dBm YES YES YES U300 check NO U100 change o...

Page 43: ... 50dBm F100 CHECK pin 9 65dBm NORMAL CONDITION catch the channel U100 CHECK pin 31 26MHz Vp p 860mV F100 CHECK pin 3 65dBm U100 CHECK pin 17 18 65dBm Check soldered status of C108 L111 L102 CN100 resolder or change F100 C125 L106 resolder or change C126 C124 L105 resolder or change U102 CHECK clean 3V CHECK U300 YES NO NO NO NO NO NO YES YES YES YES YES U102 CHECK 26MHz Vp p 950mV U102 Resolder or...

Page 44: ... DCS 660CH PCS TX POWER CODE 350 CODE APPLIED RBW 100KHz VBW 100KHz SPAN 10MHz REF LEV 10dBm ATT 20dB U101 change or resolder F100 pin 5 about 2 3 dBm CN100 C105 check change F100 pin 10 3 V U300 check change L101 4 5dBm U101 check change C109 3 7 V NO NO YES YES YES NO NO BATTERY U100 check change Between R101 U101 1 2V YES NO R101 check change NO R100 5dBm YES YES YES U300 check NO U100 change o...

Page 45: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 7 19 ...

Page 46: ... 3 10 VC1 VC2 4 2 VC3 9 1 DCS_RX DCS PCSTX 5 11 EGSM_RX EGSM_TX 7 G 86 G 12 G F100 ANT L112 8 VCC2 VCC2 18 VCC_OUT 13 VRAMP 6 12 11 G G 9 G 19 G 17 7 GSM_IN GSM_OUT 10 3 TX_EN VBATT 4 U101 2 BS 5 CEXT DCS PCS_IN 1 DCS PCS_OUT 16 G 15 G 14 G C109 C113 C111 C116 C104 C114 C107 C115 5 G G 6 CN100 2 A C 3 G 1 G 4 VBAT R100 0 L102 L103 3 9nH C112 EGSMRX PCS_RX_EN DCS_TX_EN GSM_TX_EN PCSRX DCSRX TXPOWER...

Page 47: ...1 R106 C127 L108 L110 C128 L107 L109 C120 R104 C131 C125 C130 C133 L105 L106 VCCD C136 C134 VRF C123 9 _PDN 10 _RESET _SEN 2 VDD 29 11 VIO XDIV 26 32 XEN XMODE 25 8 XOUT 31 XTAL1 30 XTAL2 RFIPP 17 16 RFOH RFOL 15 SCLK 1 SDIO 3 VDD 12 VDD 13 28 VDD 35 NC RFIAN 24 RFIAP 23 20 RFIDN RFIDP 19 RFIEN 22 RFIEP 21 18 RFIPN 27 AFC BIN 6 7 BIP 4 BQN 5 BQP 14 GND GND 33 34 NC U100 C132 13MHZ_BB CLK13M_YMU XO...

Page 48: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 7 22 ...

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