Samsung SGH-E850 Service Manual Download

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GSM TELEPHONE

SGH-E850

GSM TELEPHONE

CONTENTS

Specification

Flow Chart of Troubleshooting

Exploded Views and Parts List

Electrical Parts List

PCB Diagrams

Block Diagrams

Summary of Contents for SGH-E850

Page 1: ...GSM TELEPHONE SGH E850 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 ...

Page 2: ...k Downlink 880 915 925 960 1710 1785 1805 1880 ARFCN range 975 1023 0 124 512 885 Tx Rx spacing 45MHz 95MHz Mod Bit rate Bit Period 270 833kbps 3 692us 270 833kbps 3 692us Time Slot Period Frame Period 576 9us 4 615ms 576 9us 4 615ms Modulation 0 3GMSK 0 3GMSK MS Power 33dBm 5dBm 30dBm 0dBm Power Class 5pcl 19pcl 0pcl 15pcl Sensitivity 102dBm 100dBm TDMA Mux 8 8 Cell Radius 35km ...

Page 3: ...ad again Charge the Battery Check U100 and C110 pin A13 and pin A14 2 8V Check U100 and C113 Freq 13MHz Vrms 300mV and Vpp 뵃 900mVpp Check the clock generation circuit related to OSC300 END No Yes Yes Yes Yes Yes No No No No No Yes Check the V bat Voltage Check the pin of U100 Check the clock signal at pin 8 of U700 Check the initial operation Check the current consumption Current consumption 100m...

Page 4: ...6 SDNG 9 G 7 SDNG 01 G 8 SDNG 6 H 9 SDNG 31 P VDNG RT N I D 6F BDNG 01 M DDNG 8 E QDNG 7F 1 SDNG 7 H 01SDNG 11SDNG 8 H 21SDNG 9 H 7J 31SDNG 8J 41SDNG 9J 51SDNG D3 DB14 D2 DB15 K3 DB2 J5 DB3 J6 DB4 H5 DB5 G3 DB6 G4 DB7 F4 DB8 F1 DB9 3 P CSN_PSC K8 4 R KC I AD I D I AD 6L 6 M OD I AD 4 P NR I AD K1 DB0 DB1 K2 F2 DB10 F3 DB11 E2 DB12 E3 DB13 NBT UOA PBT UOA 21 R 41L NN I XUA 51 M PN I XUA 31L NT UOXU...

Page 5: ...ilure Check the U100 If it has some problem it has to be replaced END No Yes Is the pin K9 of U100 Low High Yes Check the OSC600 There is 32 768kHz wave forms at the C614 and C615 Check the LCD Part Yes No No Yes Yes Yes The Voltage is High at the C112 C108 C109 Check the Audio Part No Check the U100 If it has some problem it has to be replaced Check the OSC300 The pin 3 of OSC300 Check the U100 L...

Page 6: ...DE D12 C6 XOSC32OUT B7 XCPTSTSTOP_CKO M12 X1RTC A7 D10 X2RTC B11 XAG0 XAG1 A11 XAG2 E11 D11 XAG3 XBSWN C614 12PF 12PF C615 330K 1 R611 330K 1 R613 R605 100K R608 0 R606 10K 1 ICHRG TEMP BP_VF CLK32K RTCALARM RST 2 7K 10NF R314 C302 10NF C301 560 R315 VRF R317 10NF C308 10NF C304 100K 1NF C303 1 OSC300 BUFFIN 5 6 BUFFOUT 2 GND 3 OUT VCC 4 VCONT 10NF C306 R323 150 R312 100 10NF C300 CLK13M_TR CLK13M...

Page 7: ...G 6 S D N G 9 G 7 S D N G 0 1 G 8 S D N G 6 H 9 S D N G 3 1 P V D N G 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 7 H 0 1 S D N G 1 1 S D N G 8 H 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 D3 DB14 D2 DB15 K3 DB2 J5 DB3 J6 DB4 H5 DB5 G3 DB6 G4 DB7 F4 DB8 F1 DB9 3 P CSN_PSC K8 4 R K C I A D I D I A D 6 L 6 M O D I A D 4 P N R I A D K1 DB0 DB1 K2 F2 DB10 F3 DB11...

Page 8: ... used without Samsung s authorization 3 Sim Part Check the Voltage at pin 1 of CN100 2 8V Insert SIM is displayed on the LCD Check the U100 Check the SIM Card END No Yes Yes Yes No Check the U600 Is there any Signals pin 2 3 4 of CN100 Check the SIM connector s CN10 0 connection to SIM card Resolder or change CN100 Yes No ...

Page 9: ...hout notice SGH E850 Flow Chart of Troubleshooting 2 7 This Document can not be used without Samsung s authorization SIMCLK SIMDATA SIMRST SIMVCC C102 33PF C105 33PF C106 33PF C103 100NF C104 2 2UF 3 3 4 4 5 5 6 6 G 7 8 G G 9 10 G CN100 1 1 2 2 ...

Page 10: ...f CN300 is TA_VEXT 뵃 5V Abnormal charging operation The pin 4 of U103 is HIGH Replace TA or Check CN300 Check the U101 U103 Check the U102 END No Yes Yes Yes No No The pin 4 of U102 is HIGH No The pin 6 of U102 is LOW Check U102 or TA Yes The pin 5 of U102 is LOW During charging The ICHRG 1V during charging and 뵃 180mV full charging Solder again or change R118 Check U102 or TA No Yes No Yes ...

Page 11: ...G 6 S D N G 9 G 7 S D N G 0 1 G 8 S D N G 6 H 9 S D N G 3 1 P V D N G 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 7 H 0 1 S D N G 1 1 S D N G 8 H 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 D3 DB14 D2 DB15 K3 DB2 J5 DB3 J6 DB4 H5 DB5 G3 DB6 G4 DB7 F4 DB8 F1 DB9 3 P CSN_PSC K8 4 R K C I A D I D I A D 6 L 6 M O D I A D 4 P N R I A D K1 DB0 DB1 K2 F2 DB10 F3 DB11...

Page 12: ...hout Samsung s authorization 5 Microphone Part Is the assembled status of microphone O K Microphone does not work C418 뵃 2 0V Reassemble the microphone Solder the microphone again or Replace R407 R408 R409 R410 R411 R412 R415 C408 C415 END No Yes Yes Yes Yes No Is microphone ok No Check OSC300 Check the reference voltage on mic path ...

Page 13: ...1 OSC300 BUFFIN 5 6 BUFFOUT 2 GND 3 OUT VCC 4 VCONT 10NF C306 R323 150 R312 100 10NF C300 CLK13M_TR CLK13M_MC CLK13M_RF CLK13M_YMU AFC 1 5K 1 R419 56K R427 C413 NC R407 10K 1 C412 10PF C418 33UF 6 3V NC C421 C411 NC R420 1 5K 1 R418 NC MIC400 VCCA 220 10PF C414 R415 R424 10K 1 0 R435 1UF C415 C408 1UF C432 22PF R411 1 5K 1 NC C416 R408 120K R409 10K 1 C419 47NF R410 120K 1 5K 1 R412 C420 NC VREGP ...

Page 14: ...m Speaker Are there any signals at the C202 C203 Check LCD or Replace CN200 Is there any signals at the pin 5 and pin 7 of U400 END No Yes Yes Yes No No The type of sound from the Speaker is Melody Replace the Speaker No Yes Yes No Yes Yes Check the U400 Is there any signals at the pin 2 and pin 10 of U400 The pin 4 of U400 is 3 2 4 2v Check the U401 Check the U100 The pin 4 of U400 is 3 2 4 2v Ch...

Page 15: ... 26 27 27 28 28 29 29 3 3 16 16 17 17 18 18 19 19 2 2 20 20 21 21 22 22 23 1 1 10 10 11 11 12 12 13 13 14 14 15 15 CN200 330NF C200 R231 0 C202 18PF 100NF C201 VBAT 18PF C203 VCCD 0 R230 LCD_D 0 _FO SPK1P LCD_D 8 _FO LCD_D 10 _FO LCD_D 12 _FO LCD_D 14 _FO LED_EN POPUP_DET RST SVC_LED SPK1N LCD_D 7 _FO LCD_D 5 _FO LCD_D 3 _FO LCD_D 1 _FO LCDVIB_EN LCD_D 9 _FO LCD_D 11 _FO LCD_D 13 _FO LCD_D 15 _FO ...

Page 16: ...0NF C400 K3 3 604 R 4 7UF C404 6 3V C402 100NF 31 RD 4 TSR WR 28 18 2T UOPS SPVDD 15 16 SPVSS DDV 7 FERV 9 8 SSV 29 CS QR I 3 10 HPOUT L MONO HPOUT R 11 32 IOVDD 2 DEL RT M 19 CN 5 6 CLL P 1T UOPS 17 20 7 D 12 EQ1 EQ2 13 14 EQ3 G 33 34 G G 35 36 G 27 D0 D1 26 2 D 25 24 3 D 4 D 23 22 5 D 6 D 21 U401 A0 30 I KL C 1 R402 150K 100K R434 22NF C403 33K R405 R404 SPK1P NC 7 D 6 D 5 D 4 D 3 D 2 D RST YMU_...

Page 17: ...CONDITION catch the channel F700 CHECK pin8 65dBm F700 CHECK pin2 3 65dBm U700 CHECK pin20 21 65dBm U700 check pin 9 31 clean 2 8V NO YES check L700 C728 L707 contact or INTENNA CONTAC CON700 resolder or change F700 resolder or change C703 L701 C705 resolder or change U100 Pin A13 C109 check or resolder CONTINUOUS RX ON RF INPUT 62CH AMP 50dBm CHECK U100 NO YES NO YES NO NO YES YES ...

Page 18: ...DITION catch the channel F700 CHECK pin8 65dBm F700 CHECK pin4 5 65dBm U700 CHECK pin18 19 65dBm U700 check pin 9 31 clean 2 8V NO YES check L700 C728 L707 contact or INTENNA CONTAC CON700 resolder or change F700 resolder or change C706 L702 C708 resolder or change U100 Pin A13 C109 check or resolder CONTINUOUS RX ON RF INPUT 698CH AMP 50dBm CHECK U100 NO YES NO YES NO NO YES YES ...

Page 19: ...701 pin 42 43 3 7V U701 pin 45 1 1 5v ramp signal BATTERY check change U701 pin 48 about 0 5dBm U701 pin 40 low pin 41 HIGH U100 check U701 change or resolder U100 check change U700 pin 9 31 2 8V U100 pin A13 C109 change or resolder OSC 300 pin 3 5 6 13MHz Are there any signal at U700 pin 12 13 14 U700 pin 8 13MHz U100 check or change U700 change or resolder OSC 300 change Check C301 R312 C704 YES...

Page 20: ... 5V ramp signal BATTERY check change U701 pin 37 about 0 5dBm U100 check U701 change or resolder U100 check U700 pin 9 31 2 8V U100 pin A13 C109 change or resolder OSC 300 pin3 5 6 13MHz U700 pin8 13MHz U100 check or change U700 change or resolder OSC 300 check or change YES NO YES NO YES NO NO YES NO YES YES YES NO NO NO YES YES NO NO YES NO YES CN700 C727 L709 check change U701 pin 40 HIGH pin 4...

Page 21: ... M S G X T M S G 3 1 1 C V 1 2 C V 6 8 T N A X R S C D 4 5 X R S C D 1 1 X T S C D 7 G G 0 1 9 G L705 2 2nH F700 32 D D V 26 N E X 8 N I X 27 T U O X 10 N D P _ 12 N E S _ 13 K L C S 14 I D S 11 O D S 5 TXIN 4 TXIP 7 TXQN 6 TXQP 9 D D V 17 RFIPN 16 RFIPP 22 D O F R 23 G O F R 3 RXIN RXIP 2 1 RXQN 28 P Q X R D N G 33 D N G 34 35 GND GND 36 19 RFIDN 18 RFIDP 21 RFIGN 20 RFIGP 24 1 G A I D 25 2 G A I...

Page 22: ...Document can not be used without Samsung s authorization 1 Cellular phone Exploded View QMW01 QFU01 QKP02 QMP02 QFL01 QAN06 QFR01 QMP01 QAN02 QRE01 QBA19 QME02 QME01 QKP01 QPC01 QRF03 QVO05 QVO01 QRF01 QIF01 QVK01 QCA02 QMO01 QSP01 QLC01 QCR40 QCR32 QCA00 QCA01 QCR06 QCH06 QMI02 QVO03 QCH06 QSC04 QCR10 QCR12 ...

Page 23: ... GH73 02951B QSP01 SPEAKER 3001 001610 QMO01 MOTOR DC 3101 001413 QCR40 SCREW 6001 001853 QAN06 INTENNA DUMMY GH72 14289B QFR01 FRONT COVER GH75 04364B QPC01 PCB FPCB GH41 00632A QMP01 PBA MAIN GH92 01769A QKP01 KEYPAD MAIN GH75 04370A QCA02 UNIT CAMERA KEY GH59 01557A QVK01 UNIT VOLUME EKY GH59 01556A QME01 UNIT METAL DOME GH59 01555A QMI02 UNIT MIC ASSY GH59 00595A QAN02 INTENNA GH42 00474A QRE0...

Page 24: ... Exploded view and its Part list 3 3 This Document can not be used without Samsung s authorization 3 Test Jig GH80 00865A 3 1 RF Test Cable GH39 00283A 3 2 Test Cable GH39 00206A 3 3 Serial Cable 3 4 Power Supply Cable 3 5 DATA CABLE GH39 00203A 3 6 TA GH44 00482A ...

Page 25: ...R110 R111 2007 000174 R120 2007 008117 R112 R113 R114 R115 2007 000174 C107 C507 C613 C704 2203 000233 U103 U104 2007 000174 C721 2203 000233 R107 2007 002970 C300 C301 C302 C304 2203 000254 R106 2007 000172 C306 C308 C509 C515 2203 000254 R116 2007 000140 C516 C519 C602 C603 2203 000254 C112 C113 2203 000278 C604 C605 C606 C610 2203 000254 C109 C110 C111 2203 000438 C715 C720 C725 2203 000254 C10...

Page 26: ...3 003109 C703 C705 C716 2203 005281 U100 1203 003304 C201 C309 C425 C428 2203 005482 U101 1203 003409 C520 C521 C611 C616 2203 005482 U502 1203 003459 C607 C608 2203 005496 U401 1204 002138 C429 2203 005503 U602 1209 001219 C200 2203 005509 V200 V201 ZD400 1405 001082 C706 C708 2203 005552 ZD401 ZD402 ZD403 1405 001082 C109 C122 C504 C518 2203 006053 ZD404 1405 001082 C522 2203 006053 V400 V401 ZD...

Page 27: ...0 2804 001577 R100 R105 R107 R109 2007 000171 OSC300 2809 001284 R114 R118 R119 R230 2007 000171 F200 F201 F202 F203 2901 001260 R231 R416 R417 R421 2007 000171 F204 F205 F206 2901 001260 R422 R426 R431 R435 2007 000171 F700 2909 001225 R440 R501 R506 R508 2007 000171 F500 F600 3301 001342 R608 R609 R610 R615 2007 000171 CN700 3705 001355 R709 R710 2007 000171 CN200 3708 001982 R116 R509 2007 0001...

Page 28: ...SAMSUNG Proprietary Contents may change without notice 5 SGH E850 PCB Diagarms 5 1 This Document can not be used without Samsung s authorization ...

Page 29: ...SAMSUNG Proprietary Contents may change without notice SGH E850 PCB Diagrams 5 2 This Document can not be used without Samsung s authorization ...

Page 30: ...SAMSUNG Proprietary Contents may change without notice SGH E850 PCB Diagrams 5 3 This Document can not be used without Samsung s authorization ...

Page 31: ...SAMSUNG Proprietary Contents may change without notice SGH E850 PCB Diagrams 5 4 This Document can not be used without Samsung s authorization ...

Page 32: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization 6 SGH E850 Block Diagrams 6 1 1 RF Solution Block Diagram ...

Page 33: ...6 2 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization SGH E850 Block Diagrams 2 Base Band Solution Block Diagram ...

Page 34: ...Co Ltd DEC 2004 Printed in Korea Code No GH68 05737A 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 ...

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