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SAMSUNG Proprietary-Contents may change without notice

SGH-E400 Flow Chart of Troubleshooting and Circuit Diagrams

4-

7

This Document can not be used without Samsung's authorization

7. Back Light

END

Select backlight "ON" mode

NO

Check the U601

NO

YES

YES

YES

Backlight does not work

YES

Backlight "ON" mode in

the meue?

Check the PIN 3 of

CN200 = 2.8V?

Check the connection

from CN200 to LCD

Module

YES

Replace FPCB CONNECTOR

NO

Change LCD Module

NO

Check the soldered status of EL pad

LCD backlight on?

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Содержание SGH-E400

Страница 1: ...SGH E400 SERVICE Manual GSM TELEPHONE CONTENTS 1 Specification 2 Exploded Views and Parts List 3 Electrical Parts List 4 Flow Chart of Troubleshooting 5 Block Diagrams 6 PCB Diagrams GSM TELEPHONE ...

Страница 2: ...0 1990 ARFCN range 1 124 0 124 975 1023 512 885 512 810 Tx Rx spacing 45MHz 45MHz 95MHz 80MHz Mod Bit rate Bit Period 270 833kbps 3 692us 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 576 9us 4 615ms Modulation 0 3GMSK 0 3GMSK 0 3GMSK 0 3GMSK MS Power 33dBm 13dBm 33dBm 5dBm 30dBm 0dBm 30dBm 0dBm Power Class...

Страница 3: ...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 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 d...

Страница 4: ...ntents may change without notice 2 SGH E400 Exploded View and its Parts list 2 1 This Document can not be used without Samsung s authorization 1 Cellular phone Exploded View 1 2 4 5 6 7 8 9 10 11 12 13 17 18 19 20 16 15 14 3 ...

Страница 5: ...3A 4 SPEAKER 3001 001402 5 MOTOR GH31 00051A 6 FOLDER LOWER GH75 02791A 7 MAIN WINDOW LCD GH72 07015A 8 SCREW 6001 001478 9 FRONT COVER GH75 02790E 10 VOLUME KEY GH75 02795A 11 KEYPAD GH75 02794A 12 MAIN PBA GH92 01465A 13 ANTENNA GH42 00274A 14 DOME SHEET GH59 00724A 15 MIC GH30 00047A 16 CONNECTOR COVER GH72 07032A 17 REAR COVER GH75 02796A 18 SCREW 6001 001478 19 RF COVER GH73 01819A 20 BATTERY...

Страница 6: ... Exploded view and its Part list 2 3 This Document can not be used without Samsung s authorization 3 Test Jig GH80 00865A 3 1 RF Test Cable GH39 00090A 3 2 Test Cable GH00 00127A 3 3 Serial Cable 3 4 Power Supply Cable 3 5 DATA CABLE GH39 00159A 3 6 TA GH44 00184A ...

Страница 7: ...01268 C131 2203 005480 C200 2203 005061 C203 2203 005065 C204 2203 005509 C205 2203 000233 C207 2404 001087 C208 2203 005061 C302 2203 005509 C400 2203 000654 C401 2203 005061 C402 2203 001405 C403 2404 001086 C404 2203 005061 C408 2404 001151 C409 2404 001268 C410 2203 000438 C411 2203 005061 C412 2203 005065 C414 2203 000233 C415 2203 000278 C416 2203 005056 C417 2203 000278 C450 2203 000812 C45...

Страница 8: ...01193 F202 2901 001193 F203 2901 001193 F204 2703 001907 L1001 2703 002165 L1002 2703 002547 L1006 2703 001543 L1007 2203 005056 L1011 2703 001730 L1013 2703 001992 L1014 2703 001751 L1016 2703 002313 L400 3301 001105 L801 2703 001751 L900 0604 001261 LED200 0601 001547 LED201 0601 001547 LED202 0601 001547 LED203 0601 001547 LED204 0601 001547 LED205 0601 001547 LED206 0601 001547 LED207 0601 001...

Страница 9: ... 000143 R409 2007 001284 R410 2007 001325 R413 2007 000143 R414 2007 000171 R416 2007 000147 R420 2007 000159 R421 2007 007529 R422 2007 000165 R423 2007 000758 R424 2007 000171 R426 2007 000140 R427 2007 000171 R428 2007 000171 R430 2007 000171 R431 2007 000171 R433 2007 000171 R448 2007 000171 R470 2007 000171 R499 2007 000162 R506 2007 000171 R507 2007 000148 R599 2007 000171 R606 2007 000157 R...

Страница 10: ... GH72 07032A GH73 01819A GH74 05297A SEC Code Design LOC GH74 05299A GH74 06625A GH75 00223A GH75 02795A GH72 07021A GH73 01817A GH74 06623A GH92 01465A GH41 00429A GH96 01277A GH30 00047A GH59 00724A GH68 02026A GH74 01242A GH97 02644A 3001 001402 6001 001478 GH07 00303A GH07 00280B GH07 00387A GH59 00879A GH31 00051A GH68 02948A GH72 07015A GH72 07016A GH74 04381A GH74 04389A GH74 04713A GH74 04...

Страница 11: ...tion SEC Code Design LOC GH72 07018A GH72 07019A GH72 07020A GH73 01816A GH97 02645A GH42 00274A GH75 02796A GH68 02026A GH70 00021A GH71 01510A GH72 07028A GH72 07029A GH72 07030A GH72 07031A GH73 01818A GH74 03618A GH74 05307A GH99 03311A 6902 000295 GG68 10705A GH68 00518B GH68 01335D GH68 01778A GH68 03501A GH69 01235A GH69 01580A GH69 01581A ...

Страница 12: ...Check the Vbat battery O Voltage more than 3 3V Downloader again NO Charge the Battery NO Check U100 and C113 NO YES YES YES YES Power On does not work Check the pin 15 of U100 is more than 2 8V U100 pin 46 39 2 8V U100 pin 13 1 8V Check the clock signal at pin4 of U800 Freq 13MHz Vrms 300mV Vpp is around 900mVpp Check the clock generation circuit related to OSC801 and U800 NO Power On does not wo...

Страница 13: ...1 R803 U100 NO YES YES YES Initial Failure Check the pin 4 of OSC801 is around 2 8V Check and resolder LCD connector CN200 if there is solder bridhe between the pins END YES Check the SIM connector s CN100 connector s to SIM card Check the circuit related to U100 NO resolder or change CN100 NO Check the related circuit of CN100 NO YES YES YES Phone can t access SIM card Check the circuit around U6...

Страница 14: ...orization 4 Charging Part Check U100 NO Check the U601 NO Check the Q101 NO YES YES YES Abnormal charging part END YES Check the pin 17 18 of CN302 VEXT is 4V Check the pin 2 of U103 is LOW Check the pin 3 of Q101 is LOW Check the pin 5 of U102 is 3 2 4 2 Check if ICHRG is 1V during charging and around 180mV full charging YES Check the U102 NO Resolder or change R111 NO ...

Страница 15: ...TC 12 60 VSIM _CS 18 51 43 VL4S_A VL4S_B 42 VL5S_A 38 37 VL5S_B 49 VLDO_6 13 VLDO_1 15 VLDO_2 VLDO_3 46 VDD4 45 VDD5 40 VDD6 48 53 VDD7 58 VDDCP VDDQ 5 VEXT 4 8 VIB_DRV SIM_RST 61 65 UC_CLK UC_IO 64 UC_RST 66 7 VACC VBAT 6 VDD12 14 47 VDD3 32 PWR_KEEP PWR_SW2 50 9 RING_DRV RING_PWM 19 SCLK 17 SDI 16 62 SIM_CLK SIM_IO 63 GNDA 36 55 GNDA 56 GNDCP GNDD1 10 41 GNDQ 11 LED_DRV 30 PSW1BUF PSW2BUF 31 EN_...

Страница 16: ... C418 2 5V Reassemblage microphone NO resolder or change C400 R408 R409 R405 R406 NO Check U700 NO YES YES Microphone does not work END YES Check the assembled status of microphone Is microphone ok Resolder and check the board to board connector NO Check U700 NO Change or resolder U700 R205 R206 NO YES YES YES Speaker does not work END Check the connection status spk to CN200 Check the R460 High C...

Страница 17: ...NC R499 MAIN_MIC 4 7K R414 10PF C490 VCCA C465 VCCA VCCD 27PF ZD409 330NF 1UF C400 C414 c459 180PF 0 R460 4 7K R409 R424 330K VCCA 10UF C462 6 3V CN40 1 R410 680 C460 NC C454 NC C464 15PF C457 27PF C496 NC 10PF C495 91K R422 10UF 6 3V R427 C453 8 2K R420 1K C491 NC R431 0 L400 R425 100K 100nH 0 R433 10PF 10PF C450 R405 C416 R426 10K 0 200K R423 56K R421 NC R461 C417 ZD404 ZD410 Q400 1 3 2 C461 39P...

Страница 18: ...ed without Samsung s authorization 7 Back Light END Select backlight ON mode NO Check the U601 NO YES YES YES Backlight does not work YES Backlight ON mode in the meue Check the PIN 3 of CN200 2 8V Check the connection from CN200 to LCD Module YES Replace FPCB CONNECTOR NO Change LCD Module NO Check the soldered status of EL pad LCD backlight on ...

Страница 19: ...ent can not be used without Samsung s authorization 8 Alert Tone Check the connection from CN200 1 to LCD Module Check the circuit related to U401 R460 NO Change Speaker NO Change LCD Module NO YES YES Abnormal Alert tone END YES Check the PIN 31 32 of CN200 1 Is there alert wave Alert is ok Alert tone On by pushing the key 0289 ...

Страница 20: ...O D 6 _FO RED_LED EL_EN D 0 _FO D 2 _FO GREEN_LED EL_PWR D 13 _FO D 15 _FO CLCD_EN_FO CP_WEN_FO GLCD_EN_FO A 2 _FO D 7 _FO D 8 _FO D 10 _FO D 12 _FO D 14 _FO D 9 _FO D 11 _FO D 3 _FO D 1 _FO D 5 _FO R416 0 VBAT C410 6 3V 10UF 29 IRQ 3 RD 31 4 RST WR 28 6 PLLC SPOUT1 17 18 SPOUT2 SPVDD 15 16 SPVSS VDD 7 VREF 9 8 VSS CS 13 14 EQ3 10 HPOUT L MONO HPOUT R 11 IOVDD 32 LED 2 19 MTR 5 NC 26 D2 25 24 D3 D...

Страница 21: ... change NO F1002 resolder or change NO C1007 L1001 C1011 resolder or change NO YES YES YES U901 pin 12 13 20dBm U902 CHECK pin5 25 28 3V U902 CHECK pin 7 13MHz OSC801 CHECK pin 3 13MHz V p p 950mV OSC801 CHECK pin 4 clean 3V U901 CHECK pin14 23 26 32 3V U901 Pin3 4 Vp p 240mV U900 CHECK pin 6 20 2 8V U901 Pin1 2 Vp p 250mV U900 Pin2 3 4 5 Vp p 100mV U100 PIN39 C116 check or resolder U902 change or...

Страница 22: ...ange NO F1002 resolder or change NO C1014 C1017 L1002 resolder or change NO YES YES YES U901 pin 12 13 20dBm U902 CHECK pin5 25 28 3V U902 CHECK pin 7 13MHz OSC801 CHECK pin 3 13MHz V p p 950mV OSC801 CHECK pin 4 clean 3V U901 CHECK pin14 23 26 32 3V U901 Pin3 4 Vp p 240mV U900 CHECK pin 6 20 2 8V U901 Pin1 2 Vp p 250mV U900 Pin2 3 4 5 Vp p 100mV U100 PIN39 C116 check or resolder U902 change or re...

Страница 23: ...e NO F1002 resolder or change NO F1005 resolder or change NO L1006 C1015 C1019 resolder or change NO YES YES YES YES U901 pin 12 13 20dBm U902 CHECK pin5 25 28 3V U902 CHECK pin 7 13MHz OSC801 CHECK pin 3 13MHz V p p 950mV OSC801 CHECK pin 4 clean 3V U901 CHECK pin14 23 26 32 3V U901 Pin3 4 Vp p 240mV U900 CHECK pin 6 20 2 8V U901 Pin1 2 Vp p 250mV U900 Pin2 3 4 5 Vp p 100mV U100 PIN39 C116 check ...

Страница 24: ...1 change resolder U700 check change U901 pin14 23 26 32 2 8V U901 pin9 10 12 13 20dBm U902 pin 7 13MHz Vp p 950mV U902 pin9 10 11 13 3V U901change or resolder U901 pin5 6 7 8 1 7V U1001 check change U700 change U100 pin46 C114 change or resolder U700 check change U100 pin39 c116 change or resolder OSC801 pin 3 13MHz Vp p 950mV OSC801 pin 4 3V U902 change or resolder U901 pin5 25 28 3V U100 pin39 c...

Страница 25: ...change resolder U700 check change U901 pin14 23 26 32 2 8V U901 pin9 10 12 13 20dBm U902 pin 7 13MHz Vp p 950mV U902 pin9 10 11 13 3V U901change or resolder U901 pin5 6 7 8 1 7V U1001 check change U700 change U100 pin46 C114 change or resolder U700 check change U100 pin39 c116 change or resolder OSC801 pin 3 13MHz Vp p 950mV OSC801 pin 4 3V U902 change or resolder U901 pin5 25 28 3V U100 pin39 c11...

Страница 26: ...ange resolder U700 check change U901 pin14 23 26 32 2 8V U901 pin9 10 12 13 20dBm U902 pin 7 13MHz Vp p 950mV U902 pin9 10 11 13 3V U901change or resolder U901 pin5 6 7 8 1 7V U1001 check change U700 change U100 pin46 C114 change or resolder U700 check change U100 pin39 c116 change or resolder OSC801 pin 3 13MHz Vp p 950mV OSC801 pin 4 3V U902 change or resolder U901 pin5 25 28 3V U100 pin39 c116 ...

Страница 27: ...22 RFIGN GND 27 30 GND GND 33 34 GND 35 GND GND 36 IFLON 10 9 IFLOP U901 3 CKN 4 CKP 16 DIAG1 DIAG2 15 GND 11 C903 22NF VRF C915 22NF 0 R999 47PF VRF C922 C914 10PF VRF VRF VOSC C917 10PF L900 3 9nH VOSC 22NF C923 33PF VRF C921 VOSC C908 22NF C911 100PF C916 100PF 22NF C910 VRF 28 VDDI VDDR 25 7 XIN 22NF C905 RFLC 16 RFLD RFLON 23 24 RFLOP 12 SCLK SDI 13 10 SDO SENB 11 VDDD 5 IFLB 26 IFLON IFLOP 2...

Страница 28: ...SRX 6 VC1 13 11 VC2 VC3 5 F1002 15 ANT DCSRX 3 4 DCSRX 10 DCS PCSTX EGSMRX 1 2 10NF C1038 15nH L1013 L1012 NC 1 1 2 2 3 3 4 4 ANT1 R1037 NC L1016 CN1001 2 GND GND 4 IN 3 OUT 1 3 9nH 3 VBATT 4 VCC 10 8 VCC2 VCC2 12 VRAMP 6 5 VREG RF3110 BAND 21 DCSIN GND 13 GSMIN 7 GSMOUT 9 PCSOUT 11 TXEN C1027 U1001 1NF 6 8nH L1006 C1015 1 2PF 1 2PF C1019 0 5PF C1003 IN 2 OUT1 4 6 OUT2 33nH L1007 270 F1005 1 G1 G2...

Страница 29: ...SAMSUNG Proprietary Contents may change without notice SGH E400 Flow Chart of Troubleshooting and Circuit Diagrams 4 18 This Document can not be used without Samsung s authorization M ME EM MO O ...

Страница 30: ...ILTER 100KHz PGA PGA CHANNEL FILTER DAC DAC SI4201 1 2 PGA PGA ADC ADC N L A DET SI4200 SERIAL DATA INTERFACE DSP16000 ARM7TDMI CSP1093 UI GSM 890MHz 915MHz DCS 1710MHz 1785MHz PCS 1850MHz 1910MHz GSM 925MHz 960MHz DCS 1805MHz 1880MHz PCS 1930MHz 1990MHz Antenna TX VCO PAM I Q AFC CLK TCVCXO 13MHz I Q TRIDENT RF PLL IF PLL SI4133T BASE BAND AUDIO TXPOWER ...

Страница 31: ...x PAx RSTB DSPJTAG LCD KEYBOARD SMART CARD POWER DC DC CHARGER MCP 64M 2 FLASH 16M SRAM Memory Part X TAL 32 768 KHz IRDA ARM JTAG ICE SIM I O GPIO RS232 TRIDENT IO RWN AB 8 0 DB 15 0 INT1 IRQx PAx RSTB JTAG RF DRIVER TX I Q RX I Q TXP SERCK SERLE SERDA OCTL DAICK DAIRN DAIDO DAIDI AUDIO PART CSP1093 TXIP TXIN TXQP TXQN RXIP RXIN RXQP RXQN SERCK SERLE SERDA RXOVL TXP OCTL RF SOLUTION RFIC PAM X TA...

Страница 32: ...722 C723 C724 C800 C802 C803 C805 C806 C807 C808 C809 C903 C905 C906 C908 C910 C911 C914 C915 C916 C917 C921 C922 C923 C924 CN100 CN1001 CN200 CN302 CN401 D300 D301 F1002 F1005 G1 G2 G3 G4 L1001 L1002 L1006 L1007 L1011 L1012 L1013 L1014 L1015 L1016 L400 L801 L900 LED200 M1 MAIN_MIC OSC601 OSC801 Q100 Q101 R100 R101 R1010 R1011 R1012 R1014 R1015 R1016 R102 R103 R1037 R1038 R1055 R106 R108 R109 R110...

Страница 33: ...201 LED202 LED203 LED204 LED205 LED206 LED207 LED208 LED209 LED210 LED211 LED212 LED213 LED214 LED215 LED216 LED217 LED218 LEFT MENU PWR Q400 Q700 Q701 R203 R204 R205 R206 R207 R208 R209 R210 R211 R212 R213 R214 R215 R216 R217 R218 R219 R220 R403 R404 R407 R413 R416 R422 R423 R424 R434 R442 R470 R615 R716R717 RIGHT SEND SHARP STO TMS1 TP710 TP711 TP712 TP713 TP714 U1002 U1009 U1011 U1012 U1013 U10...

Страница 34: ...anual is a property of Samsung Electronics Co Ltd Any unauthorized use of Manual can be punished under applicable International and or domestic law ⓒ Samsung Electronics Co Ltd SEP 2003 Printed in Korea Code No GH68 03771A BASIC ...

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