Samsung GT-E1081 Service Manual Download

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GSM TELEPHONE

GT-E1081

1. Safety Precautions

2. Specification

3. Product Function

4. Array course control

5. Exploded View and Parts list

6. MAIN Electrical Parts List

7. Block Diagrams

8. PCB Diagrams

9. Chart of Troubleshooting

10. Reference data

11. Disassembly and Assembly

Instructions

GSM TELEPHONE

CONTENTS

Summary of Contents for GT-E1081

Page 1: ...ification 3 Product Function 4 Array course control 5 Exploded View and Parts list 6 MAIN Electrical Parts List 7 Block Diagrams 8 PCB Diagrams 9 Chart of Troubleshooting 10 Reference data 11 Disassembly and Assembly Instructions GSM TELEPHONE CONTENTS ...

Page 2: ... 0406 001288 D304 DIODE TVS 0601 002070 LED301 LED 0601 002070 LED302 LED 0601 002070 LED303 LED 0601 002070 LED304 LED 0601 002233 LED300 TORCH LED 1003 001440 TR100 IC 1108 000217 UME200 MEMORY 1201 002931 PAM100 PAM 1203 005512 U300 IC 1203 005512 U302 IC 1203 005686 U103 IC 1203 005957 U200 IC 1205 003679 U201 IC 1404 001221 TH200 THERMISTOR 2007 000139 R301 R CHIP 2007 000141 R300 R CHIP 2007...

Page 3: ... R108 R CHIP 2007 008500 R203 R CHIP 2203 000386 C220 C CERAMIC 2203 000386 C323 C CERAMIC 2203 000425 C225 C CERAMIC 2203 000425 C228 C CERAMIC 2203 000679 C303 C CERAMIC 2203 000696 C122 C CERAMIC 2203 000812 C115 C CERAMIC 2203 000812 C120 C CERAMIC 2203 000812 C121 C CERAMIC 2203 000812 C229 C CERAMIC 2203 000812 U308 C CERAMIC 2203 000812 U309 C CERAMIC 2203 001153 C328 C CERAMIC 2203 001153 ...

Page 4: ...MIC 2203 006399 C200 C CERAMIC 2203 006399 C203 C CERAMIC 2203 006399 C204 C CERAMIC 2203 006399 C205 C CERAMIC 2203 006399 C206 C CERAMIC 2203 006399 C214 C CERAMIC 2203 006399 C314 C CERAMIC 2203 006399 C315 C CERAMIC 2203 006562 C111 C CERAMIC 2203 006562 C304 C CERAMIC 2203 006562 C305 C CERAMIC 2203 006562 C312 C CERAMIC 2203 006562 C313 C CERAMIC 2203 006824 C207 C CERAMIC 2203 006824 C208 C...

Page 5: ...01 004805 OSC201 CRYSTAL UNIT 2801 004882 OSC200 CRYSTAL UNIT 2904 001879 F100 FILTER SAW 3301 001158 L200 CORE FERRITE BEAD 3705 001503 RFS100 CONNECTOR COAXIAL 3709 001488 SIM200 CONNECTOR CARD EDGE 3710 002683 IFC300 CONNECTOR SOCKET 3711 006808 BTC200 CONNECTOR HEADER GH70 03276A SC100 ONBOARD CLIP 4 GH70 03276A SC101 ONBOARD CLIP 4 GH70 03276A SC102 ONBOARD CLIP 4 GH70 03276A SC103 ONBOARD CL...

Page 6: ...On Check the Battery Voltage is more than 3 7V Power On does not work Change the Battery END No Yes PMU_VIO 2 8V Check the Main Chip related to VGPIO_2 8V No Yes Check the Clock at UPC201 L16pin CLK32K 32KHZ Check the Main Chip No Yes R209 VGPIO H Check the related circuit No Yes VCORE_1 25V 1 25V Resolder C214 and L201 No Yes Check the initial operation Yes Yes ...

Page 7: ...1 P O D T P16 VBG N13 GND_VCORE 8 1 N T U O X _ K L C 4 N I D T VDD_VIO M5 GND_VCORE N10 GND_VCORE N11 GND_VCORE N12 GND_VCORE VDD_VCORE VDD_VCORE 6 1 M P M A R _ A P 4 M T S R T N L5 GND_VCORE VDD_VCORE VDD_VCORE 6 1 L T U O _ K 2 3 _ K L C 8 1 L D R _ 0 T R A U 9 1 L 1 _ K 2 3 _ L A T X VDD_VIO 8 1 K D T _ 0 T R A U 9 1 K 2 _ K 2 3 _ L A T X 9 1 J K L C _ M C P 2 J 1 L E S _ I S S VDD_VIO2 J7 GN...

Page 8: ...low Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 3 9 2 Initial UCP201 pin T4 RSTON H Initial Failure Replace UCP201 END No Yes UCP201 pin M4 or D12 H Yes Yes No Change PBA Check the 16bit data signal memory CE Yes ...

Page 9: ... G T S R _ M I S 8 1 G 0 A T A D 9 1 G 8 A T A D G2 GND_RF 4 G 8 O I P G G5 VDD_RF_IO G7 GND_VCORE G8 GND_VCORE F4 VDD_RF F5 GND_RF 1 G N _ L I F R G10 GND_VCORE 1 1 G 1 1 R D D A 2 1 G 1 R D D A G13 GND_VSIM 5 1 G 0 2 R D D A E8 GND_VCORE 9 E 9 R D D A 1 F P _ L I F R 5 1 F 8 1 R D D A 6 1 F 4 R D D A 8 1 F 9 A T A D 9 1 F 1 A T A D F2 GND_RF 6 1 E 3 R D D A 8 1 E 0 1 A T A D 9 1 E 2 A T A D E2 G...

Page 10: ...This Document can not be used without Samsung s authorization 9 5 9 3 Charging Part UCP201 pin V10 VCHG 4 9V Abnormal charging part END No Yes UCP201 pin v9 AUX_DET or R302 L No Yes Check the UCP201 pin R9 1 4V No Yes Resolder R207 Resolder or Replace R303 Resolder or Replace UCP201 Yes ...

Page 11: ... VDD_VCORE 5 1 K 2 L R T C _ E F K16 VDD_RFDIG 8 1 K D T _ 0 T R A U 9 1 K 2 _ K 2 3 _ L A T X 9 1 J K L C _ M C P 2 J 1 L E S _ I S S 4 J 7 5 O I P G J5 VDD_VIO2 J7 GND_VCORE J8 GND_VCORE J9 GND_VCORE 1 K 0 N I Y E K 1 J 9 3 O I P G J10 GND_VCORE J11 GND_VCORE J12 GND_VCORE J13 GND_VCORE 5 1 J 0 L R T C _ E F 6 1 J 1 L R T C _ E F 8 1 J C N Y S _ M C P 8 1 H A T A D _ M I S 9 1 H K L C _ M I S H2...

Page 12: ...out Samsung s authorization 9 7 9 4 Sim Part SIM200 pin 1 6 or R210 H Phone can t access SIM Card Resolder R210 C231 Check the SIM Card END No Yes Yes Yes No Resolder or Replace SIM200 After Power ON Check SIMCLK Signal on pin3 of SIM200 in a few second Yes No Replace PBA After SIM card insert SIM200 pin 2 SIM_RST H Yes ...

Page 13: ... C309 C310 C311 C314 D300 D301 D302 IFC300 L300 L301 L302 L303 L304 L305 L306 L307 L308 LED300 MOT100 R102 R103 R104 R108 R109 R110 R203 R210 R211 R212 R213 R214 R215 R216 R217 R218 R302 R303 R304 R305 R306 R307 R308 SIM200 SPK300 TR100 U100 U103 U200 U300 U308 U309 U310 ZD200 ZD300 ZD302 V 0 3 _ M I S V 3 3 2 C 4 4 5 5 6 6 7 G G 9 8 G G 0 1 0 0 2 M I S 1 1 2 2 3 3 0 1 2 R 1 3 2 C A T A D _ M I S ...

Page 14: ...Document can not be used without Samsung s authorization 9 9 9 5 Microphone Part UCP201 pin U18 H at Mic Active Check MIC Connection Resolder or Replave UCP201 Resolder C323 L309 L310 C328 R312 R313 C321 C325 END No Yes Yes Yes Yes No Check the MIC No Replace the MIC Microphone does not work ...

Page 15: ...1 C302 C303 C306 C307 C312 C313 C315 C319 C320 C321 C322 C323 C324 C325 C326 C327 C328 D200 D201 D303 D304 F100 L101 L103 L10 9 L110 L111 L112 L113 L114 L200 L201 L309 L310 MIC300 OSC200 OSC201 PAM100 R101 R105 R106 R200 R201 R202 R204 R205 R206 R207 R208 R209 R300 R301 R309 R310 R311 R312 R313 RFS100 SC100 SC101 SC102 SC103 SC104 SC105 SC106 SC107 SC108 SC109 TH200 U302 UCP201 UME200 8 2 3 C 9 1 ...

Page 16: ...ut Samsung s authorization 9 11 9 6 Speaker Part UCP201 pin W18 W19 3 7 V Speaker does not work Does not work Voice call Resolder or Replace UCP201 No Yes No Resolder C224 AND R206 Yes Does not work Ringtone Resolder or Replace UCP201 SPK300 No Yes END Yes Is Speaker working Resolder or Change Speaker Motor ASS Y No Yes ...

Page 17: ...226 C229 C230 C231 C233 C304 C305 C308 C309 C310 C311 C314 D300 D301 D302 IFC300 L300 L301 L302 L303 L304 L305 L306 L307 L308 LED300 MOT100 R102 R103 R104 R108 R109 R110 R203 R210 R211 R212 R213 R214 R215 R216 R217 R218 R302 R303 R304 R305 R306 R307 R308 SIM200 SPK300 TR100 U100 U103 U200 U300 U308 U309 U310 ZD200 ZD300 ZD302 1 0 3 D 2 0 3 D 0 0 3 K P S 8 0 3 L 7 0 3 L 6 1 3 C 7 1 3 C P _ K P S N ...

Page 18: ...shooting This Document can not be used without Samsung s authorization 9 13 9 7 Key Data Input Check Initial Operation Yes When you pushed all of the Key does the key have tension Change Domesheet Yes All of the key doesn t work except POWER ON KEY Replace the PBA No Yes END No ...

Page 19: ... 3 D E L 2 0 3 D E L F n 0 0 0 1 3 1 3 C 1005 V 0 1 F n 0 0 0 1 V 0 1 1005 2 1 3 C 2 0 3 U 3 D N G N E 2 5 GND N I V 1 4 T U O V T A B V T M Y 3 3 5 6 3 5 C I M 7 4 1 1 3 R 5 0 0 1 4 0 3 D E L N O _ D E L _ Y E K P A M Y E K 2 1 D N E S P U 2 1 2 N W O D 1 6 0 3 T I G I D 2 1 T F E L 2 1 2 1 2 1 0 0 3 T I G I D 2 1 0 0 3 T F O S 2 0 3 T I G I D 4 0 3 T I G I D 2 1 3 4 5 6 1 0 3 D Z 1 2 3 0 3 T I G...

Page 20: ...oting This Document can not be used without Samsung s authorization 9 15 9 8 Back Light for Color Main LCD Backlight does not work Yes Is LCD Contrast set on high level in the Menu No Set LCD Contrast on high level Yes Resolder U103 or Repalce LCD Module No Is U103 pin 1 H Yes END ...

Page 21: ...This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 16 HDC300 V 0 3 _ M I S V 3 3 2 C 4 4 5 5 6 6 7 G G 9 8 G G 0 1 0 0 2 M I S 1 1 2 2 3 3 0 1 2 R 1 3 2 C A T A D _ M I S V 0 3 _ M I S V T S R _ M I S K L C _ M I S ...

Page 22: ...otice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 17 9 9 Key Back Light Main Key LED does not work Yes No Resolder or Replace UCP201 UCP0201 pin T8 V8 H Yes Change PBA Key LED does not work END Yes No ...

Page 23: ...RE H9 GND_VCORE G9 GND_VCORE H1 GND_RF H10 GND_VCORE H11 GND_VCORE H12 GND_VCORE H13 VDD_VSIM 5 1 H PCM_DI 6 1 H O D _ M C P 6 1 G T S R _ M I S 8 1 G 0 A T A D 9 1 G 8 A T A D G2 GND_RF 4 G 8 O I P G G5 VDD_RF_IO G7 GND_VCORE G8 GND_VCORE F4 VDD_RF F5 GND_RF 1 G N _ L I F R G10 GND_VCORE 1 1 G 1 1 R D D A 2 1 G 1 R D D A G13 GND_VSIM 5 1 G 0 2 R D D A E8 GND_VCORE 9 E 9 R D D A 1 F P _ L I F R 5 ...

Page 24: ...Receiver RX ON Cell Power 60dBm PAM100 Pin15 65dBm Yes Resolder L113 C110 L114 No Yes No Check PAM100 pin8 10 L PAM100 Pin18 68dBm Check ANT Switch control circuit No Yes Resolder PAM100 Yes No Resolder F100 F100 pin 7 6 70dBm Yes UCP201 pin G1 70dBm pin F1 70dBm Resolder C118 C119 L110 No Yes Check Resolder C108 C207 C208 C201 C202 And PMU Part and UCP201 Yes END ...

Page 25: ...ceiver RX ON Cell Power 60dBm PAM100 Pin15 65dBm Yes Resolder L113 C110 L114 No Yes No Check PAM100 pin8 L 10 H PAM100 Pin17 68dBm Check ANT Switch control circuit No Yes Resolder PAM100 Yes No Resolder F100 F100 pin8 9 70dBm Yes UCP201 pin E1 70dBm pin D1 70dBm Resolder C114 C116 L109 No Yes Check Resolder C108 C207 C208 C201 C202 And PMU Part and UCP201 Yes END ...

Page 26: ...EYIN2 K4 O I V _D D V 5K E R O C V _D D V 7K E R O C V _D D V 8K E R O C V _D D V 9K KEYIO0 L1 E R O C V _D D V 0 1L E R O C V _D D V 1 1L E R O C V _D D V 1 1K E R O C V _D D V 2 1K E R O C V _D D V 3 1K FE_CTRL2 K15 G I D FR _D D V 6 1K UART0_TD K18 XTAL_32K_2 K19 KEYIN1 K2 SSI_SEL1 J2 GPIO57 J4 2O I V _D D V 5 J ER O C V _D N G 7 J ER O C V _D N G 8 J ER O C V _D N G 9 J KEYIN0 K1 E R O C V _D ...

Page 27: ...C 2 3 2 C 0 0 3 C 1 0 3 C C302 C303 C306C307 C312 3 1 3 C 5 1 3 C C319 C320 1 2 3 C C322 C323 C324 C325 C326 C327 C328 D200 D201 D303 D304 F100 GHG_SW L101 L103 L10 9 L110 L111 L112 L113 L114 0 0 2 L L201 9 0 3 L 0 1 3 L LCD_DET MIC300 OSC200 OSC201 PAM100 R101 5 0 1 R 6 0 1 R 0 0 2 R 1 0 2 R 2 0 2 R 4 0 2 R 5 0 2 R R206 R207 R208 9 0 2 R 0 0 3 R 1 0 3 R 9 0 3 R R310 R311 R312 R313 RFS100 SC100 SC...

Page 28: ... Resolder PAM100 Yes PAM100 Pin15 30dBm TX ON 5Level Check PAM100 pin 8 H Pin 10 L PAM100 pin4 4 dBm Check ANT Switch control circuit Yes No Yes No yes Resolder L113 C110 L114 Yes Yes Check PAM100 VBATT pin11 OK Check UCP201 No Check VBAT or PAM control signal No UCP201 pinA2 4dBm Yes Resolder or Change C120 C112 L103 No Check Resolder C108 C207 C208 C201 C202 And PMU Part and UCP201 END ...

Page 29: ...vel END Check Resolder C108 C207 C208 C201 C202 And PMU Part and UCP201 PAM100 Pin15 30dBm Check VBAT or PAM control signal Check UCP201 Change or Resolder PAM100 Check ANT Switch control circuit Yes No No Yes Resolder or Change C121 Check PAM100 VBATT pin11 OK Check PAM100 pin 4 H Pin 5 H Resolder L113 C110 L114 Yes Yes Yes yes Yes No No No Yes UCP201 pinA1 4dBm PAM100 pin2 4 dBm ...

Page 30: ...EYIN2 K4 O I V _D D V 5K E R O C V _D D V 7K E R O C V _D D V 8K E R O C V _D D V 9K KEYIO0 L1 E R O C V _D D V 0 1L E R O C V _D D V 1 1L E R O C V _D D V 1 1K E R O C V _D D V 2 1K E R O C V _D D V 3 1K FE_CTRL2 K15 G I D FR _D D V 6 1K UART0_TD K18 XTAL_32K_2 K19 KEYIN1 K2 SSI_SEL1 J2 GPIO57 J4 2O I V _D D V 5 J ER O C V _D N G 7 J ER O C V _D N G 8 J ER O C V _D N G 9 J KEYIN0 K1 E R O C V _D ...

Page 31: ...C 2 3 2 C 0 0 3 C 1 0 3 C C302 C303 C306C307 C312 3 1 3 C 5 1 3 C C319 C320 1 2 3 C C322 C323 C324 C325 C326 C327 C328 D200 D201 D303 D304 F100 GHG_SW L101 L103 L10 9 L110 L111 L112 L113 L114 0 0 2 L L201 9 0 3 L 0 1 3 L LCD_DET MIC300 OSC200 OSC201 PAM100 R101 5 0 1 R 6 0 1 R 0 0 2 R 1 0 2 R 2 0 2 R 4 0 2 R 5 0 2 R R206 R207 R208 9 0 2 R 0 0 3 R 1 0 3 R 9 0 3 R R310 R311 R312 R313 RFS100 SC100 SC...

Page 32: ...is Document can not be used without Samsung s authorization 9 27 9 14 Torch Light Torch Light LED does not work Yes Yes Resolder or Replace LED300 C305 R302 Check LED300 C305 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 33: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 28 C304 C305 D300 DOMM202 LED300 R302 S U300 ...

Page 34: ...thorization 7 1 RF Solution Block Diagram e l u d o M x T M S A L A U D S C D M S G A N L A N L A N L A N L D I GIT A L F I L T E R RFR X Y C N E U Q E R F O C V R E Z I S E H T N Y S T E D O X C D 0 9 0 D S P A G P A G P I C D A Q C D A A G P A G P F I w o L T U O X C F A Q I l a t s y r C a n n e t n A x T M S G E x T S C D ...

Page 35: ...not be used without Samsung s authorization 7 2 Base Band Solution Block Diagram PNX4900 RF IF Tranceiver PMU IIC Interface RTC Basic Charging SIM Interface Charging Controller MEMORY Nor UtRAM K5N6433ATM AD11 64 32MB LCD 1 43 SDI STN LCD Battery 800mA BYD KEY PAD AUDIO MIC Ear MIC SPK EARSPK ...

Page 36: ...1 D300 D301 D302 D303 D304 DOMM200 DOMM201 DOMM202 F100 GHG_SW IFC300 L101 L102 L103 L104 L109 L110 L111 L112 L114 L200 L201 L300 L301 L302 L303 L304 L305 L306 L307 L308 L309 LCD_DET LED300 MIC300 MOT100 OSC200 OSC201 PAM100 R101 R102 R103 R104 R105 R106 R108 R109 R110 R200 R201 R202 R203 R204 R205 R206 R207 R208 R209 R210 R211 R212 R213 R214 R215 R216 R217 R218 R300 R301 R302 R303 R304 R305 R306 ...

Page 37: ... 2 This Document can not be used without Samsung s authorization DIGIT300 DIGIT301 DIGIT302 DIGIT303 DIGIT304 DIGIT305 DIGIT306 DIGIT307 DIGIT308 DIGIT309 DOWN E N D HDC300 INT LED301 LED302 LED303 LED304 LEFT RIGHT SEND SHARP SOFT300 SOFT301 STAR UP ZD301 명의병경신청서양식 hwp ...

Page 38: ...scratch and molding damage 1 Be careful not to make scratch and molding damage 2 Be careful not to damage IF COVER 1 Be careful not to make scratch and molding damage 1 Be careful not to make scratch and molding damage Unscrew 3 points at the REAR case 1 2 3 Disassemble the PBA Be careful with hooks Separate the PBA from the FRONT 4 DIsassemble the REAR as below sequence 11 1 Disassembly ...

Page 39: ...2 Be careful not to damage LCD 1 Be careful not to make scratch and molding damage 2 Be careful not to damage LCD FPCB and LCD 1 Be careful not to make scratch and molding damage 2 Be careful not to damage LCD FPCB and LCD 1 Be careful not to make scratch and molding damage 8 Disassemble the SHIELD CAN 7 Disassemble the LCD 5 Push the hooks of both side of LCD Lift up bottom side of the LCD carefu...

Page 40: ...arts List 11 3 This Document can not be used without Samsung s authorization 1 Be careful not to make scratch and molding damage 2 Be careful not to damage MIC FPCB 1 Be careful not to make scratch and molding damage 9 Disassemble the MIC Separate the KEYPAD from the FRONT 10 ...

Page 41: ...e combine the LCD 1 Be careful not to make scratch and molding damage 1 2 3 4 Soldering 2 points of MIC FPCB pad with PBA Assemble the SHIELD CAN Combine LCD to Main Board Soldering FPCB of the LCD MODULE CAUTION Check F PCB to MAIN PCB soldering tightly If there is a gap between F PCB and Main board will makes faulty Be careful not to make Flux on the Main Board Use the cover of Soldering Jig Pus...

Page 42: ...ul not to make scratch and molding damage 2 When insert MOTOR use PUSHING JIG 3 CHECK SPEAKER MOTOR insert tightly 1 Be careful not to make scratch and molding damage 2 Be careful nothing goes between LCD and FRONT 1 Be careful not to make scratch and molding damage 2 Be careful not to damage IF COVER 5 6 INSERT SPEAKER MOTOR to REAR INSERT KEYPAD to FRONT 7 8 COMBINE REAR FROM TOP TO BOTTOM INSER...

Page 43: ...ry Contents may change without notice Exploded View and Parts List 11 6 This Document can not be used without Samsung s authorization 1 Be careful not to make scratch and molding damage 9 Screw 3 points at the REAR case ...

Page 44: ...www s manuals com ...

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