Samsung SGH-E310C, Service Manual

Page 1: ...GSM TELEPHONE SGH E310C GSM TELEPHONE CONTENTS 1 Specification 2 Flow Chart of Troubleshooting 3 Exploded Views and Parts List 4 Electrical Parts List 5 Block Diagrams 6 PCB Diagrams ...

Page 2: ...805 1880 ARFCN range 1 124 0 124 975 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 ...

Page 3: ... 31 2 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 1 2 GSM TX power class ...

Page 4: ...more than 100mA Power On does not work Check the Voltage more than 3 3V Download again Charge the Battery Check the pin 11 of U102 is more than 2 8V Check U102 and C117 U102 pin 33 39 2 8V Check U102 and C116 Check the clock signal at pin3 of OSC801 Freq 13MHz Vrms 300mV Vpp is around 900mVpp Check the clock generation circuit Check the initial operation END No Yes Yes Yes Yes Yes Yes No No No No ...

Page 5: ...the U701 Check the pin 4 of OSC801 is around Check the soldered status of OSC801 R801 U102 Yes No Yes Check LCD connector CN201 and resolder bridge Yes No Check the pin 1 of CN100 voltage 3V Phone can t access SIM card Check the SIM connector s CN101 connection to SIM card Check the circuit related to U102 Resolder or change CN101 Check the circuit around CN101 input circuitry END No Yes Yes Yes Y...

Page 6: ... 1 4 Charging Part Check the pin 17 18 of CN300 is TA_VEXT 4 Abnormal charging part Check the pin 2 of Q102 is low Replace TA Check CN300 Check the Q102 Check the Q100 END No Yes Yes Yes Yes No No Check the pin 3 of Q100 is low Check the pin 5 of Q102 is 3 2 4 2V Check the Q102 No Yes Check the ICHRG is 1V during charging and around 180mV full charging No Resolder or change R102 Yes ...

Page 7: ...SAMSUNG Proprietary Contents may change without notice SGH E310C Flow Chart of Troubleshooting and Circuit Diagrams 2 4 This Document can not be used without Samsung s authorization ...

Page 8: ...SAMSUNG Proprietary Contents may change without notice SGH E310C Flow Chart of Troubleshooting and Circuit Diagrams 2 5 This Document can not be used without Samsung s authorization ...

Page 9: ...SAMSUNG Proprietary Contents may change without notice SGH E310C Flow Chart of Troubleshooting and Circuit Diagrams 2 6 This Document can not be used without Samsung s authorization ...

Page 10: ...s of microphone Microphone does not work Check the reference voltage on mic path C431 2 5 V Resolder microphone Resolder or change R424 C431 R413 C410 R408 R411 END No Yes Yes Yes Yes No Is microphone ok No Check U701 Check the connection from CN201 to LCD module Speaker does not work Check the PIN 4 of U401 High Check the circuit related to U401 Check U601 Is speaker ok Check U701 END No Yes Yes ...

Page 11: ...SAMSUNG Proprietary Contents may change without notice SGH E310C Flow Chart of Troubleshooting and Circuit Diagrams 2 8 This Document can not be used without Samsung s authorization ...

Page 12: ...g and Circuit Diagrams 2 9 This Document can not be used without Samsung s authorization 2 1 7 Camera Part Camera function dose not work Yes Check the connect CN201 Yes U1002 PIN 9 10 2 8V Yes R1020 25MHz Connect the camera module Check U1002 and C1022 C1021 Check U1001 and OSC1000 No No No END ...

Page 13: ...SAMSUNG Proprietary Contents may change without notice SGH E310C Flow Chart of Troubleshooting and Circuit Diagrams 2 10 This Document can not be used without Samsung s authorization ...

Page 14: ...F INPUT 62CH AMP 50dBm NORMAL CONDITION catch the channel CHECK ANT701 L905 contact U800 pin 9 32 2 8V F900 CHECK pin2 3 65dBm U800 CHECK pin20 21 65dBm C900 F901 resolder or change F900 resolder or change C912 C913 L901 resolder or change U102 pin39 C112 change or resolder U800 CHECK pin 8 13MHz Vp p 950mV OSC801 change or resolder U800 resolder or change U701 CHECK U800 pin1 2 3 28 Vp p 120mV NO...

Page 15: ...UT 698CH AMP 50dBm NORMAL CONDITION catch the channel CHECK ANT701 L905 contact U800 pin 9 32 2 8V F900 CHECK pin4 5 65dBm U800 CHECK pin18 19 65dBm C900 F901 resolder or change F900 resolder or change C914 C915 L902 resolder or change U102 pin39 C112 change or resolder U800 CHECK pin 8 13MHz Vp p 950mV OSC801 change or resolder U800 resolder or change U701 CHECK U800 pin1 2 3 28 Vp p 120mV NO YES...

Page 16: ... check change U900 pin8 20 3 7 V NO NO YES YES YES NO NO BATTERY U102 check change U900 pin 22 1 6V YES NO U900 pin6 about 5dBm YES U900 pin 2 3V YES YES U900 change or resolder NO U701 check U701 check NO U800 pin9 32 2 8V U102 pin39 C112 change or resolder YES U800 pin8 13MHz Vp p 950mV U800 pin4 5 6 7 100mV YES U701 change or resolder NO NO U800 change or resolder YES NO OSC801 change or resold...

Page 17: ...k change U900 pin8 20 3 7 V NO NO YES YES YES NO NO BATTERY U102 check change U900 pin 22 1 4V YES NO U900 pin5 about 5dBm YES U900 pin 2 3V YES YES U900 change or resolder NO U701 check U701 check NO U800 pin9 32 2 8V U102 pin39 C112 change or resolder YES U800 pin8 13MHz Vp p 950mV U800 pin4 5 6 7 100mV YES U701 change or resolder NO NO U800 change or resolder YES NO OSC801 change or resolder CO...

Page 18: ...SAMSUNG Proprietary Contents may change without notice SGH E310C Flow Chart of Troubleshooting and Circuit Diagrams 2 15 This Document can not be used without Samsung s authorization ...

Page 19: ...SAMSUNG Proprietary Contents may change without notice SGH E310C Flow Chart of Troubleshooting and Circuit Diagrams 2 16 This Document can not be used without Samsung s authorization ...

Page 20: ...SAMSUNG Proprietary Contents may change without notice SGH E310C Flow Chart of Troubleshooting and Circuit Diagrams 2 17 This Document can not be used without Samsung s authorization ...

Page 21: ... and its Parts list 3 1 This Document can not be used without Samsung s authorization 3 1 Cellular phone Exploded View QFR01 QWD01 QFU01 QLC371 QSP01 QMO02 QCA01 QFL01 QMW01 QCR04 QSC05 QSC08 QVO01 QMP01 QVK01 QCA02 QME02 QMI01 QIF02 QKP01 QMP01 QRE01 QCK01 QCR06 QSC03 QMP01 QBA21 ...

Page 22: ...QFL01 FOLDER LOWER GH75 04999A QMW01 LCD WINDOW ASSY GH75 03874C QCR04 SCREW 6001 001479 QSC05 SCREW SHEET L GH74 06886A QSC08 SCREW SHEET R GH74 06867A QFR01 FRONT COVER GH75 03867A QVO01 VOLUME KEY GH75 04736A QKP01 KEYPAD GH75 03939C QMP01 PBA MAIN GH92 01746A QVK01 UNIT VOLKEY GH59 01016A QCA02 CAMERA KEY GH59 01458A QME02 METAL DOME GH59 01097A QMI01 MICROPHONE GH30 00062A QIF02 IF COVER GH73...

Page 23: ...ded view and its Part list 3 3 This Document can not be used without Samsung s authorization 3 3 Test Jig GH80 00865A 3 3 1 RF Test Cable GH39 00090A 3 3 2 Test Cable GH39 00127A 3 3 3 Serial Cable 3 3 4 Power Supply Cable 3 3 5 DATA CABLE GH39 00159A 3 3 6 TA GH44 00184A ...

Page 24: ...202 LED203 0601 001790 C214 C215 C216 C219 2203 000812 LED204 LED205 LED207 0601 001790 C221 C231 C233 C242 2203 000812 LED208 LED210 LED211 0601 001790 C250 C253 C255 C305 2203 000812 LED212 LED213 LED214 0601 001790 C809 C906 C919 2203 000812 LED218 LED219 LED220 0601 001790 C433 2203 000940 LED221 LED222 U1008 0601 001790 C808 C900 C903 2203 000995 U1009 0601 001790 C424 2203 001153 LED217 0604...

Page 25: ...007 000161 C246 C247 C248 C249 2203 005682 R1011 R1021 R402 2007 000162 C251 C252 C254 C256 2203 005682 R701 R704 U1006 2007 000162 U1005 2203 005682 R404 2007 000164 C1001 C1012 C109 2203 006053 R603 2007 000170 C112 C116 C117 2203 006053 R1008 R101 R1014 2007 000171 C204 2203 006257 R1019 R1020 R105 2007 000171 C405 C413 2404 001086 R107 R500 R502 2007 000171 C106 2404 001105 R1003 R110 R201 R20...

Page 26: ...ent can not be used without Samsung s authorization 3 Design LOC SEC Code Design LOC SEC Code R607 R608 2007 007308 CN400 3722 002082 R802 2007 007766 M101 4302 001130 C1011 C1013 C118 2203 000233 U601 GH09 00025A C429 C801 C802 C803 2203 000233 U1001 GH13 00020A C811 C812 C813 C916 2203 000233 GH41 00552A ...

Page 27: ... Solution Block Diagram Antenna ASM RF FILTER π 2 RF PLL PGA SERIAL DATA INTERFACE GSM 890MHz 915MHz PAM GSM 925MHz 960MHz I Q CSP1093 TRIDENT DSP16000 ARM7TDMI UI SERIAL DATA CLK LE RF FILTER DCS 1805MHz 1880MHz L N A PGA A D C A D C IF PLL DCS 1710MHz 1785MHz D E T 100KHz CHANNEL FILTER D A C D A C PGA PGA R X TCVCXO 13 MHz C L K A F C T X I Q Si 4205 ...

Page 28: ...TX VCO IF VCO GPIO POWER DC DC CHARGER SIM X TAL 13MHz RS232 CSP1093 Audio Part LCD KEYBOARD SRAM 32M FLASH ROM 128M TXIP TXIN TXQP TXQN RXIP RXIN RXQP RXQN SERCK SERLE SERDA RFOVL TXP OCTL RF DIRVER TXI Q RX I Q TXP SERCK SERLE SERDA OCTL IO RWN AB 8 0 DB 15 0 INT1 IRQx PAx RSTB IO RWN AB 8 0 DB 15 0 INT1 IRQx PAx RSTB ARM JTAG ICE DAICK DAIRN DAIDO DAIDI DAI DSPJTAG JTAG GPRS ACC PPI Programmabl...

Page 29: ... 0 7 C C70 7 8 0 7 C 9 0 7 C C71 0 1 1 7 C 2 1 7 C C80 1 C80 2 C80 3 4 0 8 C 5 0 8 C C80 6 7 0 8 C C80 8 C80 9 C81 0 C81 1 C81 2 C81 3 C81 4 C90 0 1 0 9 C 2 0 9 C 3 0 9 C 4 0 9 C C90 5 6 0 9 C 7 0 9 C 9 0 9 C 0 1 9 C 1 1 9 C 2 1 9 C 3 1 9 C 4 1 9 C 5 1 9 C 6 1 9 C 7 1 9 C 8 1 9 C 9 1 9 C CN10 1 CN20 1 CN30 0 CN40 0 F90 0 F90 1 G1 G2 G3 G4 2 0 4 L 3 0 4 L 0 0 9 L L90 1 L90 2 L90 5 L90 6 7 0 9 L L90...

Page 30: ...C23 3 C24 2 C25 0 352C 552C C40 4 114C 514C CLEAR 302NC CP_TCK CP_TDI CP_TDO CP_TMS DOWN DWP_DNE F1 F2 F3 F4 F_WE_1 GND_ 2 I LED20 1 LED20 2 LED20 3 LED20 4 LED20 5 LED20 7 LED20 8 LED21 0 112DEL 212DEL 312DEL 412DEL LED21 8 LED21 9 LED22 0 LED22 1 LED22 2 TFEL 104C IM 201Q 401Q 301R 211R R31 5 R31 6 713R R40 1 R40 3 THG IR DNES EDIS TCK_ 1 TDI _ 1 TDO_1 TMS_1 TP60 2 TRST_1 U100 8 U100 9 U20 2 104...

Page 31: ...o Ltd Janu 2005 Printed in Korea Code No GH68 06591A 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 ...