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Samsung GT-C3750, Руководство по обслуживанию

Samsung GT-C3750 - мобильный телефон с функциональным дизайном и широкими возможностями. На нашем сайте вы можете бесплатно скачать сервисный мануал для этой модели, чтобы узнать все тонкости работы устройства. Загружайте его с manualshive.com и получайте максимум от вашего Samsung GT-C3750.

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SAMSUNG Proprietary-Contents may change without notice

Level 3 Repair

8-42

This Document can not be used without Samsung's authorization

U200

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Содержание GT-C3750

Страница 1: ...pecifications and other product information provided in this document inclu ding but not limited to the benefits design pricing components performance availability and capabiliti es of the product are subject to change without notice or obligation Samsung reserves the right to make changes to this document and the product described herein at anytime without obligation on Samsung to provide notific...

Страница 2: ...is 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 Samsung Electronics Co Ltd 2011 04 Rev 1 0 ⓒ ...

Страница 3: ...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 5dBm 33dBm 5dBm 30dBm 0dBm 30dBm 0dBm Power Class 5pcl 19pcl 5pcl 19pcl 0pcl 15pcl 0pcl 15pcl Sensitivity 102dBm 102dBm ...

Страница 4: ...Bm 10 4 dBm 11 8 4dBm 8 4dBm 12 6 4 dBm 6 4 dBm 13 4 4 dBm 4 4 dBm 14 2 5 dBm 2 5 dBm 15 0 5 dBm 0 5 dBm TX Power control level GSM850 GSM900 5 33 2 dBm 33 2 dBm 6 31 3 dBm 31 3 dBm 7 29 2 dBm 29 2 dBm 8 27 3 dBm 27 3 dBm 9 25 3 dBm 25 3 dBm 10 23 3 dBm 23 3 dBm 11 21 3 dBm 21 3 dBm 12 19 3 dBm 19 3 dBm 13 17 3 dBm 17 3 dBm 14 15 3 dBm 15 3 dBm 15 13 3 dBm 13 3 dBm 16 11 5 dBm 11 5 dBm 17 9 5 dBm ...

Страница 5: ...d Installation 3 1 This Document can not be used without Samsung s authorization Main Function GPRS Quad Band 850 900 1800 1900 EDGE DL only 2 4 QVGA LCD 65K color 3 2M CMOS Camera BT v2 1 EDR MicroUSB 2 0 Micro SD Up to 16G FM Radio Support MP3 Player 3 5pi Earjack Support SMS MMS ...

Страница 6: ...d without Samsung s authorization 6 1 Software Downloading 6 1 1 Pre requisite for Downloading Downloader Program FlashTool_E2_XMM2150 GT C3750 Mobile Phone Data Cable JIG BOX GH99 36900A RF Test Cable GH39 00985A JIG Cable GH39 01290A Adapter GH99 38251A Binary files Connect to Computer using data cable ...

Страница 7: ...ut notice Level 1 Repair 6 2 This Document can not be used without Samsung s authorization 6 1 2 S W Downloader Program Load the binary download program by executing the FlashTool_E2_XMM2150 1 Select the connected serial port and the rate of speed ...

Страница 8: ...SAMSUNG Proprietary Contents may change without notice Level 1 Repair 6 3 This Document can not be used without Samsung s authorization 2 Select communication driver as Infineon USB driver ...

Страница 9: ...ts may change without notice Level 1 Repair 6 4 This Document can not be used without Samsung s authorization 3 Select the Binary in sequence of _psi _slb _BSY _CDS _CSC If you click custom order it can be reorder as in sequence ...

Страница 10: ...SAMSUNG Proprietary Contents may change without notice Level 1 Repair 6 5 This Document can not be used without Samsung s authorization 4 Press the Next button ...

Страница 11: ...ice Level 1 Repair 6 6 This Document can not be used without Samsung s authorization 5 Press Start USB1 and connect the Handset 6 When downloading is complete you can see green bar 7 Confirm the downloaded version name and etc 1234 Full Reset 2767 3855 ...

Страница 12: ...PSK Binary Phase Shift Keying CA Conditional Access CDM Code Division Multiplexing C I Carrier to Interference DMB Digital Multimedia Broadcasting EN European Standard ES Elementary Stream ETSI European Telecommunications Standards Institute MPEG Moving Picture Experts Group PN Pseudo random Noise PS Pilot Symbol QPSK Quadrature Phase Shift Keying RS Reed Solomon SI Service Information TDM Time Di...

Страница 13: ...orn away Use a thicken twisted wire when you measure level A thicken twisted wire has low resistance therefore error of measurement is few Repair after separate Test Pack and Set because for short danger for example an overcurrent and furious flames of parts etc when you repair board in condition of connecting Test Pack and tuning on Take specially care of soldering because Land of PCB is small an...

Страница 14: ...ined your body before you touch semiconductor or parts with semiconductor There are ways that you touch an earthed place or wear static electricity prevention string on wrist Use earthed soldering steel when you connect or disconnect ESD Use soldering removing tool to break static electricity otherwise ESD will be damaged by static electricity Don t unpack until you set up ESD on product Because m...

Страница 15: ...ed View and Parts List 4 1 This Document can not be used without Samsung s authorization 4 1 Cellular phone Exploded View QFU01 QAR01 QCR93 QCR12 QSP01 QCA01 QFL01 QCR12 QLC01 QMW01 QRE01 QCR67 QBC00 QBA01 QFR01 QKP01 QMP01 QAN02 QME01 QKP02 QPC01 QME02 QCK01 QRF06 ...

Страница 16: ...1 5 5CC SOCKET TYP GH59 10764A QME01 DOME SHEET GT C3750 GH59 10799A QME02 KEY FPCB SUB KEY FPCB ASSY GH59 10809A QPC01 ASSY ETC SLIDE FPCB GH59 10810A QSP01 MODULE SPK MOT GH59 10835A QKP01 PMO KEY MAIN KEYPAD GH72 63293A QMP01 A S ASSY PBA MAIN COMM GH82 05749A QLC01 ELA MODULE GT_C3500 LCD GH96 04920A QKP02 ASSY KEYPAD SUB GH98 19713A QFL01 ASSY COVER SLIDE LOWER GH98 20032A QFR01 ASSY COVER FR...

Страница 17: ...6 U403 IC 1009 001035 U201 IC 1108 000406 U200 MEMORY 1201 002944 U100 IC 1201 003025 PAM100 IC 1201 003111 U501 IC 1202 001068 U500 IC 1203 003643 U400 IC 1203 005574 U401 IC 1205 004116 U101 IC 1205 004215 UCP200 IC 1404 001224 TH200 THERMISTOR 1405 001298 D301 VARISTOR 2007 000137 R400 R CHIP 2007 000138 R101 R102 R104 R105 R CHIP 2007 000138 R331 R332 R333 R338 R CHIP 2007 000138 R339 R502 R C...

Страница 18: ...C242 C243 C CERAMIC CHIP 2203 000278 C244 C CERAMIC CHIP 2203 000386 C114 C524 U502 C CERAMIC CHIP 2203 000438 C120 C203 C211 C CERAMIC CHIP 2203 000550 C227 C228 C CERAMIC CHIP 2203 000585 C503 C504 C CERAMIC CHIP 2203 000679 C500 C CERAMIC CHIP 2203 000812 C107 C109 C302 C303 C CERAMIC CHIP 2203 000812 C304 C305 C511 C520 C CERAMIC CHIP 2203 000854 C125 C508 C CERAMIC CHIP 2203 000995 C233 C CER...

Страница 19: ...CERAMIC CHIP 2203 006562 C519 C521 C522 U503 C CERAMIC CHIP 2203 006872 C110 C112 C116 C404 C CERAMIC CHIP 2203 006872 C414 C417 C CERAMIC CHIP 2203 006890 C507 C CERAMIC CHIP 2203 007210 C204 C CERAMIC CHIP 2203 007269 C231 C CERAMIC CHIP 2203 007271 C234 C401 C509 C516 C CERAMIC CHIP 2203 007271 C518 C CERAMIC CHIP 2203 007279 C103 C315 C411 C CERAMIC CHIP 2203 007342 C412 C413 C CERAMIC CHIP 22...

Страница 20: ...301 001885 L500 L501 L504 CORE FERRITE 3301 001917 L508 L509 CORE FERRITE 3301 002000 L200 CORE FERRITE 3301 002065 L502 L503 CORE FERRITE 3404 001410 SW300 SWITCH TACT 3705 001731 RFS100 CONNECTOR COAXIAL 3709 001645 SIM300 CONNECTOR CARD 3709 001679 CN300 CONNECTOR CARD 3710 003306 CN400 CONNECTOR SOCKET 3711 005581 HEA400 CONNECTOR HEADER 3711 007393 BTC300 CONNECTOR HEADER 3712 001348 ANT100 A...

Страница 21: ...7 1 This Document can not be used without Samsung s authorization 7 1 Disassembly and Assembly Instructions 7 1 1 Disassembly 1 Unscrew 4 points 1 Turn over the PBA 2 Take off LCD connector 1 Detach tape 1 Detach Slide FPCB using a tweezer 2 Unscrew 6 points Unscrew REAR 1 Disassemble PBA 2 Detach Slide FPCB Unscrew FRONT 3 4 Detach tape ...

Страница 22: ...vel 2 Repair 7 2 This Document can not be used without Samsung s authorization 1 Unscrew 4 points 1 Detach SUB PBA Tape 1 Disassemble SLIDE FPCB 2 Disassemble RCV 3 Disassemble SUB PBA Unscrew LOWER Detach SUB PBA TAPE 5 Disassemble SUB PBA RCV and SLIDE FPCB 6 ...

Страница 23: ...ter assembling with SUB PBA 2 Assemble LCD module SUB PBA with UPPER Becareful FPCB damage 1 Close SILDE FPCB connector after assembling on SUB PBA 2 Close RCV connector after assembling on SUB PBA Becareful FPCB damage 1 Screw 4 Points 1 Detach a white tape attach SLIDE FPCB Follow red arrow direction 2 Screw 6 points 3 Assemble KEY PAD Assemble LCD module SUB PBA 1 Assemble SLIDE FPCB and RCV 2 ...

Страница 24: ... change without notice 7 Level 2 Repair 7 4 This Document can not be used without Samsung s authorization 1 Attach the tape lower hinge Front Connecting 1 Assemble PBA 1 Assemble REAR 2 Screw 4 points 5 6 Assemble PBA Assemble REAR 7 ...

Страница 25: ...SAMSUNG Proprietary Contents may change without notice 8 Level 3 Repair 8 1 This Document can not be used without Samsung s authorization 8 1 Block Diagram ...

Страница 26: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 2 This Document can not be used without Samsung s authorization 8 2 PCB Diagrams 8 2 1 Top ...

Страница 27: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 3 This Document can not be used without Samsung s authorization 8 2 1 Bottom ...

Страница 28: ...e Level 3 Repair 8 4 This Document can not be used without Samsung s authorization 8 3 Flow Chart of Troubleshooting presetting methods for checking TP GND TP exp VBAT C105 using Oscilloscope look over the coming out signal Oscilloscope TP Test Point GND ...

Страница 29: ...ce Level 3 Repair 8 5 This Document can not be used without Samsung s authorization Multi meter Checking the TP test point using Multi meter EX to look up the TP shunt Cap if checking the GND you can listen beep if checking the Signal you can t listen it ...

Страница 30: ...ange the Battery END No Yes Check the Clock at OSC200 C227 C228 32 768kHz 20ppm No Yes VDD_1 8V 1 8V TP C231 No Yes Check the initial operation Yes Yes replace the OSC200 Check the Main Chip related to SD1_FB 1 8V TP C231 to lookover the Chip damage Check the Clock at OSC201 1 3pin when normal operating condition 26MHz 11ppm Yes No Check the Main Chip to lookover the Chip damage TP OSC201 1 3pin l...

Страница 31: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 7 This Document can not be used without Samsung s authorization ...

Страница 32: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 8 This Document can not be used without Samsung s authorization ...

Страница 33: ...Document can not be used without Samsung s authorization 8 3 2 Initial R206 RST_BB 1 7V measure GND SHORT PAD using the oscilloscope Initial Failure Resolder R206 must be higher than 1 7V END No Yes LCD_RST 1 7V TP HEA400 pin9 Yes Yes No Change PBA Check the 16bit data signals Yes ...

Страница 34: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 10 This Document can not be used without Samsung s authorization the 5th pin from the the top of left pin ...

Страница 35: ... can not be used without Samsung s authorization 8 3 3 Charging Part U403 pin E6 VBUS_5V_IN C400 4 2V Abnormal charging part END No Yes check the D400 short and C415 C400 short No Yes Check the Battery and TA is connected correctly Yes Resolder IFC400 Replace D400 or open the C415 C400 Yes ...

Страница 36: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 12 This Document can not be used without Samsung s authorization ...

Страница 37: ...used without Samsung s authorization 8 3 4 Sim Part SIM300 pin1 C302 pin4 C305 2 7V and pin3 SIM_CLK 3MHz Phone can t access SIM Card Resolder or Replace SIM300 Check the SIM Card is broken END No Yes Yes No Change PBA Check signal sequence VSIM_2 85V C302 SIM_IO C305 SIM_CLK C304 SIM_RST C303 Yes Yes ...

Страница 38: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 14 This Document can not be used without Samsung s authorization ...

Страница 39: ...ctive Check the MIC Connection look over schematics about schemetics Replace UCP200 using a Heatgun Because of not soldering well Resolder L506 C513 C514 R511 L507 C519 C520 not work if those are not connected END No Yes Yes Yes Yes No Check the MIC sample it be possible the problem things No Replace an another MIC because of being possible the problem Microphone does not work ...

Страница 40: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 16 This Document can not be used without Samsung s authorization ...

Страница 41: ...ck the Ear MIC Connection look over schematics about schemetics Replace UCP200 using a Heatgun Because of not soldering well Resolder L501 R507 R508 R509 C507 C508 C511 C515 C517 not work if those is not connected END No Yes Yes Yes Yes No Check the Headset sample it be possible the problem things No Replace an another Headset because of being possible the problem Ear Microphone does not work ...

Страница 42: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 18 This Document can not be used without Samsung s authorization ...

Страница 43: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 19 This Document can not be used without Samsung s authorization ...

Страница 44: ...00 using a Heatgun be possible of being UCP a bad sample No Yes No Resolder L508 L509 be possible because of soldering not well Yes Does not work Ringtone Menu Settings Sound profiles Edit select the Call ringtone Resolder or Replace UCP200 U506 SPK401 be possible of soldering not well or being UCP a bad sample No Yes END Is Speaker working Listening through the speaker Change Speaker be possible ...

Страница 45: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 21 This Document can not be used without Samsung s authorization ...

Страница 46: ...e C509 C510 C512 C516 C518 R514 R515 R516 C521 ZD500 L50 2 L503 C503 C504 R503 R504 be possible of soldering not well or being UCP U501 are bad samples No Yes No Replace UCP200 using a Heatgun be possible of being UCP a bad sample Yes Is Ear Speaker working Listening through the Ear speaker Change Headset be possible of Ear SPK Problems No Yes END Ear Speaker does not work Yes C509 1 8V at Ear Spe...

Страница 47: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 23 This Document can not be used without Samsung s authorization ...

Страница 48: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 24 This Document can not be used without Samsung s authorization ...

Страница 49: ...the Motor Connection look over schematics about schemetics Replace U403 using a Heatgun Because of not soldering well Resolder C522 D501 U504 U505 not work if those is not connected or not soldering well END No Yes Yes Yes Yes No Check the Motor sample it be possible the problem things No Replace an another Speaker module sample because of being possible the problem Motor does not work ...

Страница 50: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 26 This Document can not be used without Samsung s authorization ...

Страница 51: ...he 3 4 key domesheet or adhere correctly to PBA 3 4 Key Check the key circuit not connected not soldered short resolder R332 R333 R338 R339 ZD302 D302 No Yes END No Is it the 3 4 key or the SUB key SUB key Change the SUB key domesheet or adhere correctly to SUB PBA Check the SUB key domesheet adhesion condition foreign substances No Yes Yes Check the SUB PBA is broken Yes END Check the connection ...

Страница 52: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 28 This Document can not be used without Samsung s authorization ...

Страница 53: ...k Light LCD LCD does not work Yes Check the LCD FPCB connection broken No Change the LCD module or connect the LCD FPCB to SUB PBA correctly Yes Resolder the C417 Check the HEA400 mounted to PBA correctly No The Voltage at C417 VBAT END Yes Check the slide FPCB connection broken No Change the SUB PBA or connect the slide FPCB to PBA correctly Yes ...

Страница 54: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 30 This Document can not be used without Samsung s authorization ...

Страница 55: ...SM850 Rx Rx ON Cell Power 60dBm PAM100 Pin17 65dBm R100 using spectrum analyzer Yes Resolder PAM100 check R100 open No Yes No Check PAM100 control check PAM100 Pin12 68dBm Check ANT Switch control circuit No Yes Resolder PAM100 Yes Resolder F100 L105 L106 L107 L108 L109 F100 8 9pin L105 L108 L107 L109 75dBm Yes No Check UCP200 is working Yes END ...

Страница 56: ...SM900 Rx RX ON Cell Power 60dBm PAM100 Pin17 65dBm R100 using spectrum analyzer Yes Resolder PAM100 check R100 open No Yes No Check PAM100 control check PAM100 Pin11 68dBm Check ANT Switch control circuit No Yes Resolder PAM100 Yes Resolder F100 L104 L105 L107 L108 L109 F100 8 9pin L105 L108 L107 L109 75dBm Yes No Check UCP200 is working Yes END ...

Страница 57: ...DCS Rx RX ON Cell Power 60dBm PAM100 Pin17 65dBm R100 using spectrum analyzer Yes Resolder PAM100 check R100 open No Yes No Check PAM100 control check PAM100 Pin14 68dBm Check ANT Switch control circuit No Yes Resolder PAM100 Yes Resolder F101 L113 L116 L117 L118 L119 F101 9 8pin L113 L119 L117 L118 75dBm Yes No Check UCP200 is working Yes END ...

Страница 58: ...PCS Rx RX ON Cell Power 60dBm PAM100 Pin17 65dBm R100 using spectrum analyzer Yes Resolder PAM100 check R100 open No Yes No Check PAM100 control check PAM100 Pin13 68dBm Check ANT Switch control circuit No Yes Resolder PAM100 Yes Resolder F101 L113 L115 L117 L118 L119 F101 9 8pin L113 L119 L117 L118 75dBm Yes No Check UCP200 is working Yes END ...

Страница 59: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 35 This Document can not be used without Samsung s authorization ...

Страница 60: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 36 This Document can not be used without Samsung s authorization ...

Страница 61: ...0 900 Tx TX Power is too Low TX ON 5Level CLOCK CHECK 26MHz OSC201 pin1 pin3 NO Re solder OSC200 YES PAM100 pin27 1 dBm R106 using spectrum analyzer NO Re solder or change UCP200 YES NO Check the UCP200 VBAT circuit YES NO Resolder PAM100 PAM100 Pin17 30dBm R100 using spectrum analyzer YES Resolder RFS100 Check the RFS100 connection with PCB YES Antenna re solder or change NO ...

Страница 62: ... PCS Tx TX Power is too Low TX ON 5Level CLOCK CHECK 26MHz OSC201 pin1 pin3 NO Re solder OSC200 YES PAM100 pin29 1 dBm L111 using spectrum analyzer NO Re solder or change UCP200 YES NO Check the UCP200 VBAT circuit YES NO Resolder PAM100 PAM100 Pin17 30dBm R100 using spectrum analyzer YES Resolder RFS100 Check the RFS100 connection with PCB YES Antenna re solder or change NO ...

Страница 63: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 39 This Document can not be used without Samsung s authorization ...

Страница 64: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 40 This Document can not be used without Samsung s authorization ...

Страница 65: ...change without notice Level 3 Repair 8 41 This Document can not be used without Samsung s authorization NC Point Top View NC U101 1 2 3 4 5 6 A B C D E UCP200 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 A B C D E F G H J K L M N P R T ...

Страница 66: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 42 This Document can not be used without Samsung s authorization U200 1 2 3 4 5 6 7 8 9 10 11 12 13 14 A B C D E F G H J K L M N P ...

Страница 67: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 43 This Document can not be used without Samsung s authorization U403 1 2 3 4 5 6 A B C D E F ...

Страница 68: ...www s manuals com ...

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