Samsung GT-E1172 Service Manual Download Page 16 | Manualshive

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SAMSUNG Proprietary-Contents may change without notice

7. Level 2 Repair

7-1

This Document can not be used without Samsung's authorization

1) Be careful not to make scratch and molding damage!

1) Be careful not to make scratch and molding damage!

1) Be careful not to make scratch and molding damage!

1) Be careful not to make scratch and molding damage!

7-1. Disassembly and Assembly Instructions

7-1-1. Disassembly

Release Screw 2 Point at rear

1

2

3

Disjoint hook on the right side of the rear

Disjoint hook on the left side of the rear

4

Disjoint Hook on the top of the rear

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Summary of Contents for GT-E1172

Page 1: ...nctionality features specifications and o ther product information provided in this docu ment including but not limited to the benefit s design pricing components performance availability and capabiliti es of the product are subject to change without notice or oblig ation Samsung reserves the right to make changes to this document and the product described herein at anytime without obligation on S...

Page 2: ...be worn 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 smal...

Page 3: ...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...

Page 4: ...eq Band MHz Uplink Downlink 880 915 925 960 1710 1785 1805 1880 ARFCN range 0 124 975 1023 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 2...

Page 5: ... 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 3 dBm 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 2 2 GSM Tx Power Class ...

Page 6: ...ithout notice 3 Operation Instruction and Installation 3 1 This Document can not be used without Samsung s authorization Main Function GSM 900 1800 1 52 CSTN Dual SIM socket SMS 64 Poly Melody Noise Cancellation FM radio support LED torchlight ...

Page 7: ...SAMSUNG Proprietary Contents may change without notice 4 Exploded View and Parts List 4 1 This Document can not be used without Samsung s authorization 4 1 Cellular phone Exploded View ...

Page 8: ...41A QMI01 MICROPHONE ASSY GT E1170 GH30 00649A QMO01 MOTOR DC SCH S369 GH31 00392A QBA01 INNER BATTERY PACK 1000MAH BLK ENG EU GH43 03184A QME01 DOME SHEET GT E1170 GH59 09033A QMW02 PCT WINDOW MAIN GH72 61708A QMP01 A S ASSY PBA MAIN INU GT E1172 INDA SV GH82 05256A QFR01 ASSY CASE FRONT GH98 18403A QBC00 ASSY COVER BATT GH98 18405A QKP01 ASSY KEYPAD DUAL OPEN BLACK GH98 18406A QRE01 ASSY CASE RE...

Page 9: ...OR D300 D301 D302 1405 001298 DIODE R213 2007 000138 R CHIP R301 2007 000139 R CHIP R100 2007 000140 R CHIP R300 R306 R312 2007 000141 R CHIP R104 R105 2007 000143 R CHIP R208 2007 000144 R CHIP R101 R102 R200 R202 2007 000148 R CHIP R108 R210 R212 2007 000151 R CHIP R107 2007 000162 R CHIP R302 R303 R304 R305 2007 000172 R CHIP R307 R308 2007 000172 R CHIP R309 R310 2007 000173 R CHIP R311 2007 0...

Page 10: ...HIP C208 C210 C232 C315 2203 006399 C CERAMIC CHIP C316 2203 006399 C CERAMIC CHIP C109 C314 2203 006562 C CERAMIC CHIP C200 C201 C226 2203 006824 C CERAMIC CHIP C305 C306 2203 006841 C CERAMIC CHIP C308 2203 007270 C CERAMIC CHIP C108 2203 007279 C CERAMIC CHIP C223 2203 007425 C CERAMIC CHIP L106 2703 002170 INDUCTOR L107 2703 002176 INDUCTOR L307 L308 L309 2703 002201 INDUCTOR L105 2703 002203 ...

Page 11: ...ment can not be used without Samsung s authorization Design LOC SEC CODE Description SC105 SC106 SC107 GH70 06394A ONBOARD CLIP 4 SC108 SC109 GH70 06394A ONBOARD CLIP 4 UME200 1108 000217 MEMORY Please consult the GSPN website Samsung Portal for the most recent version of the product s part list ...

Page 12: ... authorization 6 1 S W Download 6 1 1 Pre requsite for S W Downloading Downloader Program E1172_Downloader_v1 5 exe GT E1172 Mobile Phone Data Cable JIG BOX GH99 36900A RF Test Cable GH39 00985A JIG Cable 1 5M GH39 01160A Adapter GH99 38251A Serial Cable Binary files Settings Connect to ANYWAY JIG BOX JIG CABLE Phone to JIG ...

Page 13: ...evel 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 E1172_Downloader_v1 5 exe enter this file 1 Select the connected serial port and the rate of speed ...

Page 14: ...SAMSUNG Proprietary Contents may change without notice Level 1 Repair 6 3 This Document can not be used without Samsung s authorization 2 Select the D L Mode 3 Select the Binary TFS file ...

Page 15: ...pair 6 4 This Document can not be used without Samsung s authorization 4 Press the Start button and connect the Handset 5 When downloading is complete automatically the small window was showed up 6 Confirm the downloaded version name and etc 1234 Full Reset 2767 3855 ...

Page 16: ...damage 1 Be careful not to make scratch and molding damage 1 Be careful not to make scratch and molding damage 1 Be careful not to make scratch and molding damage 7 1 Disassembly and Assembly Instructions 7 1 1 Disassembly Release Screw 2 Point at rear 1 2 3 Disjoint hook on the right side of the rear Disjoint hook on the left side of the rear 4 Disjoint Hook on the top of the rear ...

Page 17: ... s authorization 1 Be careful not to make scratch and molding damage 1 Be careful not to damage to LCD Module 1 Be careful not to make damage to MIC FPCB 8 Disassemble Main PBA from the FRONT 7 Disassemble Main PBA from the FRONT 5 Pull the REAR by lifting it from top to bottom Press front side hook to release Main PBA 6 ...

Page 18: ...uthorization 1 Be careful not to damage to LCD Module 1 Be careful not to make damage to MIC FPCB 1 Beware that you do not damage MIC F PCB 7 1 2 Assembly 1 2 3 4 Set a PBA and front Assemble the hooks on the bottom of the rear Press front side hook to lock Main PBA and insert MIC to front carefully Assemble PBA to the front ...

Page 19: ... s authorization 1 Be careful not to make scratch and molding damage 1 Be careful not to make scratch and molding damage 1 Be careful not to make scratch and molding damage 5 6 Assemble the hooks on the top of the rear Assemble the left right hook on the side of the rear Drive Screws at 2 points with torque 1 2 0 1 Kgf 7 ...

Page 20: ...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 ...

Page 21: ...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 ...

Page 22: ...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 ...

Page 23: ...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 Vbatt C108 C109 C212 C308 using Oscilloscope look over the coming out signal Oscilloscope GND TP Test Point ...

Page 24: ...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 ...

Page 25: ...hange the Battery Because of batt power low END No Yes PMU_VIO 2 8V TP C207 C315 Check the Main Chip related to VGPIO_2 8V TP C207 C315 to lookover the Chip damage No Yes Check the Clock at UCP200 L16pin CLK32K 32KHZ TP R103 Check the Main Chip to lookover the Chip damage TP R103 look over the waverform using the oscilloscope No Yes VCORE_1 25V 1 25V TP C204 C210 L201 Resolder C204 C214 and L201 t...

Page 26: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 7 This Document can not be used without Samsung s authorization ...

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

Page 28: ...Samsung s authorization 8 3 2 Initial UCP200 pin T4 RSTON H 2 4V TP TP106 using the oscilloscope GND TP Initial Failure Replace UCP200 must be H using a Heatgun END No Yes UCP200 pin M4 or D12 H 2 4V TP TP100 LCD PIN5 Yes Yes No Change PBA to check TP100 LCD PIN5 Check the 16bit data signal memory CE TP TP200 Yes ...

Page 29: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 10 This Document can not be used without Samsung s authorization ...

Page 30: ...g s authorization 8 3 3 Charging Part UCP200 pin V10 VCHG_P 4 9V TP C223 Abnormal charging part END No Yes UCP200 pin V9 AUX_DET or R303 L 2 8V No Yes Check the UCP200 pin R9 1 4V No Yes Resolder R206 C223 be possible that it s not soldering well Resolder or Replace R303 Must be L 2 8V Replace UCP200 using a Heatgun Yes ...

Page 31: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 12 This Document can not be used without Samsung s authorization ...

Page 32: ...ard access it then must be sim pin1 or R210 H 3 0V No Yes Yes No Resolder or Replace SIM200 connector Because of not soldering well After Power ON Check SIM_CLK_1 Signal on pin3 of SIM200 in a few second method wiring pin 3 and checking its waveform using an oscilloscope Yes No Confirm an another PBA U200 After SIM card insert SIM200 pin 2 SIM_RST_1 H 3 0V method wiring pin 2 and check its wavefor...

Page 33: ...rt SIM card access it then must be sim pin1 or R212 H 3 0V No Yes No Resolder or Replace SIM201 connector Because of not soldering well After Power ON Check SIM_CLK_2 Signal on pin3 of SIM201 in a few second method wiring pin 3 and checking its waveform using an oscilloscope Yes No Confirm an another PBA U200 After SIM card insert SIM201 pin 2 SIM_RST_2 H 3 0V method wiring pin 2 and check its wav...

Page 34: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 15 This Document can not be used without Samsung s authorization ...

Page 35: ...ive TP C226 Check the MIC Connection look over schematics about schemetics Replace UCP200 using a Heatgun Because of not soldering well Resolder C317 C326 L309 R313 C321 R312 R314 C319 C323 not work if those is 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 ...

Page 36: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 17 This Document can not be used without Samsung s authorization ...

Page 37: ...Voice call Replace UCP200 using a Heatgun be possible of being UCP a bad sample No Yes No Resolder C227 AND R209 be possible because of soldering not well Yes Does not work Ringtone Menu settings profiles options Edit select the Call ringtone Resolder or Replace UCP200 SPK300 be possible of soldering not well or being UCP a bad sample No Yes END Yes Is Speaker working Listening through the speaker...

Page 38: ... Proprietary Contents may change without notice Level 3 Repair 8 19 This Document can not be used without Samsung s authorization 3 1 3 C 1 0 3 D 0 0 3 K P S 8 0 3 L 7 0 3 L 2 1 3 C 2 0 3 D P _ K P S N _ K P S ...

Page 39: ...ial Operation Yes When you pushed all of the Key does the key have tension Change Domesheet 1 look over the Dome situation whether be sunken 2 look over the Dome location whether be out of line Yes All of the key doesn t work except POWER ON KEY Replace the PBA over the insturctions again and change the board because of be possible for PBA to get damaged Yes No END No ...

Page 40: ...D E L 1 1 3 R 2 T N I 1 N W O D 1 2 0 0 3 T F O S 1 2 1 0 3 D E L P U 1 2 1 2 6 0 3 T I G I D 1 2 2 0 3 T I G I D 1 0 3 T I G I D 1 2 2 0 3 D E L P R A H S 1 2 4 0 3 D E L T H G I R 1 2 1 2 1 2 8 0 3 T I G I D 4 0 3 T I G I D 1 2 R A T S 1 2 4 1 3 C 5 0 3 T I G I D 9 0 3 T I G I D 1 2 T F E L 1 2 1 2 D N E S 0 0 3 T I G I D 1 2 3 0 3 T I G I D 1 2 2 T U O Y E K 1 T U O Y E K 0 T U O Y E K 3 T U O ...

Page 41: ...n LCD Backlight does not work Yes Is LCD Contrast set on high level in the Menu menu settings display light LCD contrast No Set LCD Contrast on high level menu settings display light LCD contrast select 5Level level 1 5 Yes 1 Resolder U101 with an soldering iron 2 Repalce LCD Module to check if it has the problem No Is U101 pin 1 H 2 7V Wiring pin 1 LCD_BL_EN Yes END ...

Page 42: ...ontents may change without notice Level 3 Repair 8 23 This Document can not be used without Samsung s authorization HDC300 2 D N G 1 0 1 U 9 0 1 C 7 0 1 R T A B V 8 0 1 R N E _ L B _ D C L A _ D E L 1 K _ D E L 2 K _ D E L ...

Page 43: ...n 8 3 9 Key Back Light Main Key LED does not work Yes No Replace UCP200 using a Heatgun must be coming out the signal H UCP200 pin T8 V8 H 3 0V Wiring POWER ONKEY_1 2 GND look over using an Oscillocope Yes 1 Replace the LED be possible that the sample has the problem 2 Change PBA Key LED does not work look over the LED light END Yes No ...

Page 44: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 25 This Document can not be used without Samsung s authorization ...

Page 45: ...tting 8960 Rx setting 1 Active Cell select GSM or GPRS 2 Connetion Type select Auto GSM BLER GPRS 3 BCH Parameter select measuring band DCS or EGSM 4 Cell power 60dBm Tx setting After setting 8960 EGSM DCS 1 After setting prepare the call setup Display 2 Using an Originate Call make a call 3 Confirm the display connected 4 start the measuring ...

Page 46: ...vel 3 Repair 8 27 This Document can not be used without Samsung s authorization 8960 spectrum analyzer down up at picture spectrum analyzer testing method the way using an Osciliscope 8960 connect using RF Cable between 8960 RF Connector in board RF Connector ...

Page 47: ...ll Power 60dBm PAM100 Pin15 65dBm TP L111 using spectrum analyzer Yes Resolder L110 L111 C118 No Yes No Check PAM100 pin8 L 0 4V PAM100 Pin17 68dBm TP L107 using Check ANT Switch control circuit No Yes Resolder PAM100 Yes Resolder F100 F100 pin 7 6 70dBm TP C116 C117 using spectrum analyzer Yes No Check Resolder C200 C201 C203 C204 L200 And PMU Part and UCP200 Yes END ...

Page 48: ...M100 Pin15 65dBm TP L111 using spectrum analyzer Yes Resolder L110 L111 C118 No Yes No Check PAM100 pin8 L 0 4V pin10 H 2 4V PAM100 Pin18 68dBm TP C114 using specturm analyzer Check ANT Switch control circuit No Yes Resolder PAM100 Yes Resolder F100 F100 pin 8 9 70dBm TP C113 C115 using spectrum analyzer Yes No Check Resolder C200 C201 C203 C204 L200 And PMU Part and UCP200 Yes END ...

Page 49: ...D 3 GND 5 6 GND GND PAM100 T N A 5 1 GND 1 GND 2 1 1 C 0 1 1 C 1 1 1 L 2 0 1 L 0 0 1 L 0 0 1 T N A 5 0 1 L T A B V 0 1 1 L 8 1 1 C 1 0 1 L 1 0 1 T N A 3 0 1 L 6 0 1 C A 2 1 C 3 G G 4 0 0 1 S F R 8 0 1 C X R S C D X R M S G E P M A R PON_PA X T _ M S G E X T _ S C D BAND_SEL RX_SEL 10 G 1 N I 1 4 2 N I 8 1 T U O 1 T U O 9 6 2 T U O 2 T U O 7 0 0 1 F 2 G G 3 G 5 6 0 1 L 6 1 1 C 7 1 1 C 3 1 1 C 7 0 1...

Page 50: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 31 This Document can not be used without Samsung s authorization ...

Page 51: ...PAM100 pin 8 H 2 4V Pin10 H 2 4V PAM100 pin4 4 dBm TP C111 using spectrum analyzer Check ANT Switch control circuit Yes No Yes No yes Resolder L110 L111 C118 Yes Yes Check PAM100 VBATT pin11 3 7V TP C108 OK Change the UCP200 if a damaged chip No Check VBAT using the osciliscope TP C108 or PAM control signal No PAM100 pin2 4dBm TP C112 using spectrum analyzer Yes Resolder or Change L105 C110 C111 N...

Page 52: ...eck PAM100 pin4 H 2 4V Pin5 H 2 4V PAM100 pin2 4 dBm TP C112 using spectrum analyzer Check ANT Switch control circuit Yes No Yes No yes Resolder L110 L111 C118 Yes Yes Check PAM100 VBATT pin11 3 7V TP C108 OK Change the UCP200 if a damaged chip No Check VBAT using the osciliscope TP C108 or PAM control signal No PAM100 pin1 4dBm TP C112 using spectrum analyzer Yes Resolder or Change C112 No Check ...

Page 53: ...PCTRL1 NC 12 NC 16 19 NC 2 RFIN_HB 4 RFIN_LB RX0 18 RX1 17 24 GND GND 14 GND 3 GND 5 6 GND GND 13 GND 20 GPCTRL0 9 PAM100 ANT 15 GND 1 GND 21 22 GND GND 23 L105 R109 C106 L110 C110 C112 L100 ANT101 L111 L102 L103 DCS_TX BAND_SEL RX_SEL DCSRX EGSMRX RAMP PON_PA EGSM_TX 9 6 OUT2 OUT2 7 2 G G 3 G 5 10 G IN1 1 4 IN2 8 OUT1 OUT1 F100 C115 C114 C116 L106 C117 L108 C113 L107 DCSRX EGSMRX EGSMRX_P EGSMRX_...

Page 54: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 35 This Document can not be used without Samsung s authorization ...

Page 55: ...ocument can not be used without Samsung s authorization 8 3 14 Torch Light Torch Light LED does not work Yes Yes Resolder or Replace LED300 C306 R302 Check LED300 C306 R302 Is it broken or damaged No Change PBA Check U300 pin 1 1 5V END Yes No Check U300 pin 1 3V Yes No Change U300 ...

Page 56: ...Proprietary Contents may change without notice Level 3 Repair 8 37 This Document can not be used without Samsung s authorization LED300 C305 1005 C306 VBAT R302 D300 3 EN GND 2 5 GND VIN 4 1 VOUT U300 TORCH_EN ...

Page 57: ... Document can not be used without Samsung s authorization 8 4 Service Schematics NC Point Top View NC UCP200 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 A A B B C C D D E E F F G G H H J J K K L L M M N N P P R R T T U U V V W W 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 ...

Page 58: ...NG Proprietary Contents may change without notice Level 3 Repair 8 39 This Document can not be used without Samsung s authorization NC UME200 1 2 3 4 5 6 7 8 9 10 A A B B C C D D E E F F 1 2 3 4 5 6 7 8 9 10 ...

Page 59: ...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...

Page 60: ... schematic SAMSUNG CONFIDENTIAL THIS DOCUMENT CONTAINS CONFIDENTIAL PROPRIETARY INFORMATION THAT IS SAMSUNG ELECTRONICS CO S PROPERTY DO NOT DISCLOSE TO OR DUPLICATE FOR OTHERS EXCEPT AS AUTHORIZED BY SAMSUNG ...

Page 61: ... schematic SAMSUNG CONFIDENTIAL THIS DOCUMENT CONTAINS CONFIDENTIAL PROPRIETARY INFORMATION THAT IS SAMSUNG ELECTRONICS CO S PROPERTY DO NOT DISCLOSE TO OR DUPLICATE FOR OTHERS EXCEPT AS AUTHORIZED BY SAMSUNG ...

Page 62: ... schematic SAMSUNG CONFIDENTIAL THIS DOCUMENT CONTAINS CONFIDENTIAL PROPRIETARY INFORMATION THAT IS SAMSUNG ELECTRONICS CO S PROPERTY DO NOT DISCLOSE TO OR DUPLICATE FOR OTHERS EXCEPT AS AUTHORIZED BY SAMSUNG ...

Page 63: ...d or domestic law Samsung Electronics Co Ltd 2010 09 Rev 1 0 ⓒ Country Web Site North America service samsungportal com Latin America latin samsungportal com CIS cis samsungportal com Europe europe samsungportal com China china samsungportal com Asia asia samsungportal com Mideast Africa mea samsungportal com GSPN Global Service Partner Network ...

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