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SGH-X140 Flow Chart of Troubleshooting

2-

10

This Document can not be used without Samsung's authorization

U402 CHECK

pin8

≥

-65dBm ?

2-2.RF

2-2-1. EGSM RX

CONTINUOUS RX ON

RF INPUT : 62CH

AMP : -50dBm

NORMAL CONDITION

catch the channel?

CHECK

ANT2,R401 contact ?

U404

pin 9,32: 2.8V ?

U402 CHECK

pin2,3

≥

-65dBm ?

U404 CHECK

pin20,21

≥

-65dBm ?

C402,U401

resolder or change

U402

resolder or change

C408,C409,L401

resolder or change

U101 pinA13, C111

change or resolder

U404 CHECK

pin 8 : 13MHz ?

Vp-p : 950mV?

OSC401

change or resolder

U404

resolder or change

U101 CHECK!!

U404

pin1,2,3,28 Vp-p

: 120mV ?

NO

YES

NO

NO

NO

NO

NO

NO

YES

YES

YES

YES

YES

YES

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Содержание SGH-X140

Страница 1: ...GSM TELEPHONE SGH X140 GSM TELEPHONE CONTENTS 1 Specification 2 Flow Chart of Troubleshooting 3 Exploded Views and Parts List 4 Electrical Parts List 5 PCB Diagrams 6 Block Diagrams ...

Страница 2: ...Co Ltd Feb 2005 Printed in Korea Code No GH68 06385A 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 ...

Страница 3: ...0 880 915 925 960 1710 1785 1805 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 Sens...

Страница 4: ...el GSM900 5 33 2 dBm 6 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 4 dBm 12 6 4 dBm 13 4 4 dBm 14 2 5 dBm 15 0 5 dBm ...

Страница 5: ...ownload again Charge the Battery Pin J12 2 8V Check U101 and C112 Pin A13 and pin A14 2 8V Check U101 and C115 Freq 13MHz Vrms 300mV Vpp 900mV Check the clock generation circuit related to OSC401 Check the initial operation END No Yes Yes Yes Yes Yes Yes No No No No pin G11 1 8V No Yes Check the current consumption Check the Vbat Voltage Check the pin of U101 Check the clock signal at pin 27 of U4...

Страница 6: ... _ D N G 5 1 B 1 C S P _ D N G 5 1 K 2 C S P _ D N G 0 1 L 0 1 S D N G 7 H 8 H 1 1 S D N G 2 1 S D N G 9 H 7 J 3 1 S D N G 8 J 4 1 S D N G 9 J 5 1 S D N G 0 1 J 6 1 S D N G 0 1 K 7 1 S D N G 8 F 2 S D N G 9 F 3 S D N G 0 1 F DB4 J6 H5 DB5 DB6 G3 G4 DB7 F4 DB8 F1 DB9 3 P R T N I D 6 F B D N G 0 1 M D D N G 8 E Q D N G 7 F 1 S D N G N R I A D K1 DB0 K2 DB1 DB10 F2 F3 DB11 E2 DB12 E3 DB13 D3 DB14 D2 ...

Страница 7: ... 1 P Q X R 28 K L C S 13 14 I D S O D S 11 TXIN 5 4 TXIP TXQN 18 RFIGN 21 RFIGP 20 RFIPN 17 16 RFIPP D O F R 22 G O F R 23 3 RXIN 29 30 D N G 31 D N G 33 D N G 34 D N G GND 35 GND 36 19 RFIDN RFIDP U404 1 G A I D 24 2 G A I D 25 15 GND D N G C431 VRF GSM_LNA_IN_N DCS_LNA_IN_P DCS_LNA_IN_N DPCS_PAM_IN SERLE SI_EN 13MHZ_SI CLK13M_RF XOENA SERDAT SERCLK RXTXQP RXTXQN RXTXIP RXTXIN GSM_LNA_IN_P GSM_PA...

Страница 8: ...Check the U101 if it has some problem it is to be replaced Yes No Is the pin K9 of U101 Low High Yes No Check the U101 if it has some problem it is to be replaced There is 32 768kHz wave forms at the C220 and C221 Yes No Check the U201 Is the pin A4 of U101 is High The voltage is High at the C112 C115 C116 Check the U101 Check the U404 LCD display is O K No No Yes Yes Yes Check the LCD part No Sou...

Страница 9: ...A16 X1RTC X2RTC D10 B11 XAG0 XAG1 A11 XAG2 E11 XAG3 D11 XBSWN B7 XCPTSTSTOP_CKO M12 B13 XCP_A0_BEON G9 VSS G10 VSS H7 VSS H11 J7 VSS VSS K6 E10 VSSA E15 VSS_DPLL A7 L6 VSS L10 VSS M7 L8 VSS J11 VSS VSS L9 A3 VSS F6 VSS VSS U16 VDDE N16 VDDE E16 E17 VDDE VDD_DPLL G16 VRTC D8 VSS A2 VSS K7 VSS C16 VDDA C11 B1 VDDE VDDE B14 VDDE M1 VDDE U2 VDDE P8 U15 VDDE VDDE VDD G1 VDD R1 R4 VDD VDD T13 VDD R16 VD...

Страница 10: ...used without Samsung s authorization 2 1 3 Sim Part Check the voltage at pin 1 of CN101 2 8V Insert SIM is displayed on the LCD Check the SIM connector s CN101 connection to SIM card Check the U101 Resolder or change CN101 END No Yes Yes Yes Yes No No Is there any signals pin 2 3 6 of CN101 Check the U201 Check the SIM Card ...

Страница 11: ...out Samsung s authorization 2 1 4 Microphone Part Is the assembled status of microphone O K Microphone does not work Reassembled the microphone Resolder or change R511 R510 R512 C515 C512 R516 R517 R508 R515 R520 R520 C525 END No Yes Yes Yes Yes No Is microphone ok No Check U101 Check the reference voltage on mic path ZD632 2 0V Yes ...

Страница 12: ... Is the terminal of Speaker O K No Replace the Speaker Yes Are there any signals at the R518 R519 No Yes Check U501 The type of sound from the Speaker is Melody Is there any signals at the pin 5 and pin 7 of U501 Is there any signals at the pin 2 and pin 10 of U501 Yes No The pin 4 of U501 is Low The pin 4 of U501 is High Check the U502 Check the U502 Yes Yes No No Check the U201 Check the U501 Ye...

Страница 13: ... R514 ZD502 3 1 C515 Q501 2 V C513 14 GND 6 4 IN1 8 IN2 5 NC1 7 NC2 2 NO1 10 NO2 1 U501 COM1 3 COM2 9 11 G G 12 13 G G 9 0 5 R R502 R518 R513 6 3 5 C 7 3 5 C L501 4 0 5 D Z C505 TP501 C529 1 0 5 D Z C506 C509 R519 L502 TP502 1 4 5 C C542 R522 C528 L504 C512 C502 C501 R523 R506 R504 VBAT_4 2 C511 R530 6 2 5 C MIC501 TP504 VCCD_2 7 R510 VCCA_2 7 0 4 5 C C517 NC VCCD_2 7 1 3 6 D Z C507 C508 22NF C543...

Страница 14: ...H AMP 50dBm NORMAL CONDITION catch the channel CHECK ANT2 R401 contact U404 pin 9 32 2 8V U402 CHECK pin2 3 65dBm U404 CHECK pin20 21 65dBm C402 U401 resolder or change U402 resolder or change C408 C409 L401 resolder or change U101 pinA13 C111 change or resolder U404 CHECK pin 8 13MHz Vp p 950mV OSC401 change or resolder U404 resolder or change U101 CHECK U404 pin1 2 3 28 Vp p 120mV NO YES NO NO N...

Страница 15: ...H AMP 50dBm NORMAL CONDITION catch the channel CHECK ANT2 R401contact U404 pin 9 32 2 8V U402 CHECK pin4 5 65dBm U404 CHECK pin18 19 65dBm C402 U401 resolder or change U402 resolder or change C411 C413 L403 resolder or change U101 pinA13 C111 change or resolder U404 CHECK pin 8 13MHz Vp p 950mV OSC401 change or resolder U404 resolder or change U101 CHECK U404 pin1 2 3 28 Vp p NO YES NO NO NO NO NO...

Страница 16: ... U403 pin5 3 7 V NO NO YES YES YES NO NO BATTERY check change U403 pin 4 1 6V YES NO U403 pin1 about 5dBm YES U403 pin 6 3V YES YES U403 change or resolder NO U101 check U101 check NO U404 pin9 32 2 8V U101 pinA13 C111 change or resolder YES U404 pin8 13MHz Vp p 950mV U404 pin4 5 6 7 100m V YES U101 change or resolder NO NO U404 change or resolder YES NO OSC401 change or resolder CONTINOUS TX ON C...

Страница 17: ...3 pin5 3 7 V NO NO YES YES YES NO NO BATTERY check change U403 pin 4 1 4V YES NO U403 pin9 about 5dBm YES U403 pin 6 3V YES YES U403 change or resolder NO U101 check U701 check NO U404 pin9 32 2 8V U101 pinA13 C111 change or resolder YES U404 pin8 13MHz Vp p 950mV U404 pin4 5 6 7 100m V YES U101 change or resolder NO NO U404 change or resolder YES NO OSC401 change or resolder CONTINUOUS TX ON COND...

Страница 18: ...449 C429 C410 R422 C441 VBAT C436 VRF C443 1 T V L405 OSC401 2 GND 3 OUT VCC 4 C402 12 R402 7 TXQP 6 D D V 9 D D V 32 26 N E X N I X 8 T U O X 27 10 N D P _ N E S _ 2 RXIP RXQN 1 P Q X R 28 K L C S 13 14 I D S O D S 11 TXIN 5 4 TXIP TXQN 18 RFIGN 21 RFIGP 20 RFIPN 17 16 RFIPP D O F R 22 G O F R 23 3 RXIN 29 30 D N G 31 D N G 33 D N G 34 D N G GND 35 GND 36 19 RFIDN RFIDP U404 1 G A I D 24 2 G A I ...

Страница 19: ...tice 3 SGH X140 Exploded View and Parts List 3 1 This Document can not be used without Samsung s authorization 3 1 Cellular phone Exploded View QBA01 QKP01 QAN02 QMW02 QLC01 QSP01 QMO01 QRE01 QME01 QIF01 QMI05 QMP01 QFR01 QCR04 QRF03 QSP05 QRF01 QSC01 ...

Страница 20: ...ONT COVER GH75 05839A QSP05 SPK DECO GH75 05827A QMO01 MOTOR DC GH31 00137A QSP01 SPEAKER 3001 001677 QLC01 LCD GH07 00555A QMP01 MAIN PBA GH92 01984A QAN02 INTENNA GH42 00520A QRE01 REAR COVER GH75 05840A QRF03 EARJACK COVER GH72 18144A QCR04 SCREW MACHINE 6001 001479 QRF01 RF SHEET GH74 13093A QSC01 SCREW COVER GH72 20329A QMI05 MIC HOLDER GH73 03844A QIF01 IF COVER GH72 18131A QKP01 KEYPAD GH75...

Страница 21: ...oded View and Parts List 3 3 This Document can not be used without Samsung s authorization 3 3 1 RF Test Cable GH39 00283A 3 3 2 Test Cable GH39 00127A 3 3 Test Jig GH80 00865A 3 3 3 Serial Cable 3 3 4 Power Supply Cable 3 3 5 DATA CABLE GH39 00305A 3 3 6 TA GH44 00701A ...

Страница 22: ...103 2203 006257 C115 2007 000171 R105 2203 001598 C116 2007 008263 R107 2203 005061 C117 2007 000148 R109 2203 005061 C118 2007 000153 R110 2203 005061 C119 2007 007107 R111 2203 006093 C120 2007 007107 R112 2203 006257 C122 2007 000138 R113 2404 001268 C123 2007 000157 R115 2203 005061 C127 2007 007142 R116 2203 000254 C201 2007 007100 R205 2203 000254 C202 2007 000162 R206 2203 000254 C203 2007 ...

Страница 23: ... 005288 C408 2007 001325 R507 2203 005288 C409 2007 001320 R508 2203 000425 C410 2007 007142 R509 2203 005288 C411 2007 000148 R510 2203 001383 C412 2007 000159 R511 2203 005288 C413 2007 000148 R512 2404 001281 C417 2007 000159 R513 2203 000254 C418 2007 000148 R514 2203 000254 C419 2007 000141 R515 2203 000233 C429 2007 000140 R516 2203 000233 C430 2007 001119 R517 2203 000233 C431 2007 008542 R...

Страница 24: ... 005509 C515 2007 001306 R631 2203 005061 C518 2007 001306 R632 2203 005065 C519 2007 001306 R633 2203 005509 C521 2007 001306 R634 2203 006120 C522 2007 001306 R635 2203 005806 C523 2007 001306 R636 2203 005806 C524 2007 000173 R637 2203 000233 C525 2007 000173 R638 2203 006121 C526 2007 000173 R639 2404 001274 C529 2007 000173 R640 2203 000278 C530 2007 000173 R641 2203 006053 C531 2007 000173 R...

Страница 25: ...C716 1001 001261 U501 2203 006194 C717 1204 002161 U502 2203 006647 C718 1203 001256 U503 2203 006647 C719 1001 001152 U504 2203 006647 C720 1203 003105 U604 2203 006194 C721 1204 002023 U701 2203 000438 C722 1201 001951 U702 2203 000278 C723 1203 002054 U703 2203 005050 C724 1405 001082 V1 2203 006137 C725 1405 001082 V2 2203 006137 C726 0403 001446 ZD301 2203 000438 C727 0406 001150 ZD501 3709 0...

Страница 26: ...05 001082 ZD615 2703 001881 L504 1405 001082 ZD616 2703 001235 L505 1405 001082 ZD617 2703 001673 L701 1405 001082 ZD618 2703 001723 L702 1405 001082 ZD619 2703 001723 L703 1405 001082 ZD620 0601 001094 LED601 1405 001082 ZD621 0601 001094 LED602 1405 001082 ZD622 0601 001094 LED603 1405 001082 ZD623 0601 001094 LED606 1405 001082 ZD624 0601 001094 LED607 0403 001427 ZD628 0601 001094 LED608 0403 ...

Страница 27: ... O 2 0 1 Q 1 0 5 Q Q701 TP230 TP231 TP232 TP233 TP234 TP235 TP501 TP502 TP503 TP504 1 0 1 U 2 0 1 U U107 U201 U202 3 0 2 U U204 2 0 3 U 1 0 4 U 2 0 4 U 3 0 4 U 4 0 4 U 1 0 5 U U502 U503 4 0 5 U U604 U701 2 0 7 U 3 0 7 U V1 V2 ZD301 1 0 5 D Z ZD502 3 0 5 D Z ZD504 ZD602 ZD603 ZD604 ZD605 ZD606 ZD607 ZD608 ZD609 1 1 6 D Z ZD612 ZD613 4 1 6 D Z 5 1 6 D Z 6 1 6 D Z 7 1 6 D Z 8 1 6 D Z 9 1 6 D Z 0 2 6 ...

Страница 28: ...rization 0 1 2 3 4 5 6 7 8 9 CLEAR DOWN 1 0 6 D E L 2 0 6 D E L LED60 3 LED60 6 7 0 6 D E L 8 0 6 D E L 1 3 6 D E L 2 3 6 D E L 3 3 6 D E L 4 3 6 D E L 5 3 6 D E L 6 3 6 D E L T F E L MENU MIC50 1 PWR T H G I R SEND SHARP STAR STO TP201 TP202 TP203 TP204 TP205 TP20 6 TP209 TP210 TP211 TP213 TP225 U30 1 UP 1 0 6 D Z 0 1 6 D Z 8 2 6 D Z ...

Страница 29: ...D L A I R E S E C A F R E T N I z H M 5 1 9 z H M 0 9 8 M S G M A P z H M 0 6 9 z H M 5 2 9 M S G Q I 0 0 2 2 P S C T N E D I R T P H 0 0 0 6 1 P S D S E 6 4 9 M R A I U L A I R E S A T A D K L C E L F R R E T L I F z H M 0 8 8 1 z H M 5 0 8 1 S C D L N A A G P C D A C D A F I L L P z H M 5 8 7 1 z H M 0 1 7 1 S C D T E D z H K 0 0 1 L E N N A H C R E T L I F C A D C A D A G P A G P X R O X C V C ...

Страница 30: ...PIO POWER DC DC CHARGER SIM X TAL 13MHz RS232 CSP2200 Audi o Part LCD KEYBOARD 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 IN T1 IRQx PAx RSTB IO RWN AB 8 0 DB 15 0 IN T1 IRQx PAx RSTB ARM DSP JTAG ICE DAICK DAIRN DAIDO DAIDI DSPJTAG JTAG ACC PPI Progr amma ble Periph eral I O RTC JT...

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