Samsung SM-J710FN, Service Manual

Page 1: ...atures specifications and other product information provided in this document including but not limited to benefits design pricing components performance availability and capabiliti es of the product are subject to change without notice Samsung reserves the right to alter this doc ument or the product described herein at anytime without obligation to provide notification of such changes Mobile Dev...

Page 2: ... Tx Rx spacing 45MHz 45MHz 95MHz 80MHz 190MHz 80MHz 45MHz 45MHz Mod Bit rate Bit Period 270 833kbps 3 692us 270 833kbps 3 692us 270 833kbps 3 692us 270 833kbps 3 692us 3 84Mcps 3 84Mcps 3 84Mcps 3 84Mcps Time Slot Period Frame Period 576 9us 4 615ms 576 9us 4 615ms 576 9us 4 615ms 576 9us 4 615ms FrameLength 10ms Slotlength 0 667ms FrameLength 10ms Slotlength 0 667ms FrameLength 10ms Slotlength 0 ...

Page 3: ...m 6 31 2 dBm 1 28 3 dBm 1 28 3 dBm 7 29 2 dBm 7 29 2 dBm 2 26 3 dBm 2 26 3 dBm 8 27 2 dBm 8 27 2 dBm 3 24 3 dBm 3 24 3 dBm 9 25 2 dBm 9 25 2 dBm 4 22 3 dBm 4 22 3 dBm 10 23 2 dBm 10 23 2 dBm 5 20 3 dBm 5 20 3 dBm 11 21 2 dBm 11 21 2 dBm 6 18 3 dBm 6 18 3 dBm 12 19 2 dBm 12 19 2 dBm 7 16 3 dBm 7 16 3 dBm 13 17 2 dBm 13 17 2 dBm 8 14 3 dBm 8 14 3 dBm 14 15 2 dBm 14 15 2 dBm 9 12 4 dBm 9 12 4 dBm 15 ...

Page 4: ...0 704 716 734 746 2300 2400 ARFCN range UL 18000 18599 DL 0 599 UL 19200 19950 DL 1805 1880 UL 20400 20649 DL 2400 2649 UL 20750 21449 DL 2750 3449 UL 21450 21799 DL 3450 3799 UL 24150 24449 DL 6150 6449 UL DL 2300 2400 Tx Rx spacing 190MHz 95MHz 45MHz 120MHz 45MHz 41MHz Channel Bandwidth 60 MHz 75 MHz 25 MHz 70 MHz 35 MHz 30 MHz 5 10 15 20 MHz Modulatio n QPSK 16 64QA M QPSK 16 64QA M QPSK 16 64Q...

Page 5: ...ringement of any content or data from this document without Samsung s written authorization is strictly prohibited 4 Exploded View and Parts List 4 1 Cellular phone Exploded View QFR01 QMW01 QRF03 QFR02 QAR01 QCK02 QVO01 QCA01 QMP01 QCA02 QCR12 QSP01 QRE01 QCR151 QBC01 QKP01 QME01 QMO01 QRF04 QCK01 QRF02 QBA01 www AppleUnlockStore com ...

Page 6: ...24 QRE01 ASSY CASE REAR_GLOBAL GH98 39387A QAR01 AUDIO RECEIVER 3009 001705 QMO01 MOTOR DC VIBRATION SM G600FY GH31 00746A QME01 ASSY MODULE TOUCH KEY SM J7108 GH96 09606A QCK02 POWER_KEY FPCB ASSY SM J7108 GH96 09675A QKP01 ASSY KEY HOME GH98 39525A QFR02 ASSY CASE FRONT UNIT_GLOBAL GD GH98 39495A QMW01 WINDOW DISPLAY FLASHB FRONT GH64 05693A QVO01 KEY VOLUME GH64 05696A QCK01 KEY POWER CH GH64 0...

Page 7: ...de subject to change without prior notice Distribution transmission or infringement of any content or data from this document without Samsung s written authorization is strictly prohibited 7 Level 2 Repair 7 1 Components on the Rear Case www AppleUnlockStore com ...

Page 8: ...infringement of any content or data from this document without Samsung s written authorization is strictly prohibited 7 Level 2 Repair 7 2 Pre requisite Tweezers Disass y Stick Screw Driver Anti statoc Gloves Anti static Mat Hot Plate A OCTA Disassembly Holder OCTA Disassembly Upper Ethyl Alcohol Cotton Swab www AppleUnlockStore com ...

Page 9: ...en authorization is strictly prohibited 7 Level 2 Repair 7 2 Parts which must be changed after repair BOM Description Picture Remarks A S TAPE OCTA TSP SVC SM J710FN GH81 13799A Replace when repair Front part A S TOUCH KEY AS TAPE1 SM J710FN GH81 13792A A S OCTA CU SHEET SM J710FN GH81 13853A A S OCTA_SCF CUSHION SHEET SM J710FN GH81 13854A A S TOUCH KEY AS TAPE8 SM J710FN GH81 13797A www AppleUnl...

Page 10: ...Caution 1 Be care of scratch Caution 1 Be care of scratch Caution 1 Be care of scratch and molding damage 1 1 Unscrew 18 points 2 1 Remove Rear from Set 2 Remove PBA front Front Assy 3 4 This sequence just do when need to OCTA disassemble 1 After heating for 20 minutes the device at 75 take out the device from Mobile dryer 2 Detach the Bracket Cu tape carefully from the OCTA Cu sheet using Glass a...

Page 11: ...ten authorization is strictly prohibited 7 Level 2 Repair 7 4 Assembly Caution 1 Be care of tilt Caution 1 Be care of direction of assemble Caution 1 Be care of direction of assemble 1 1 Assemble Main PBA on Bracket 2 Assemble the OCTA touchkey connector 2 1 Assemble Rear on Front assy sequence 1 2 3 3 1 Assemble Screw 18 point Torque 1 3 Kgf cm SPEC 1 3 0 05 4 1 Do pre function test www AppleUnlo...

Page 12: ...e guide subject to change without prior notice Distribution transmission or infringement of any content or data from this document without Samsung s written authorization is strictly prohibited 8 Level 3 Repair 8 1 Components Layout www AppleUnlockStore com ...

Page 13: ...ice guide subject to change without prior notice Distribution transmission or infringement of any content or data from this document without Samsung s written authorization i s strictly prohibited 8 Level 3 Repair 8 2 Block Diagram www AppleUnlockStore com ...

Page 14: ...003 C6004 C6005 C6006 C6007 C6008 C6009 C6010 C6011 C6012 C6013 C6014 C6015 C6017 C6032 C6046 C6047 C6057 C6059 C6060 C6061 C6062 C6063 C6064 C6065 C6068 C6069 C6070 C6072 C7000 C7002 C7003 C7007 C7012 C7013 C7014 C7015 C7016 C7017 C7027 C7028 C7043 C7044 C7046 C7047 CHGINOK CN5000 D_N D_P F3001 HDC5001 HDC6000 HDC7001 HDC7002 L1004 L1006 L1040 L1081 L1083 L2036 L3006 L3007 L3008 L3009 L3010 L3011...

Page 15: ...12 F1015 F2000 F2001 F2002 F2003 F2004 F2005 F2006 F2007 F2008 F2009 F2010 F3000 GNAND21 GNANT20 GNANT22 GNANT23 HDC7000 IFC7000 L1000 L1001 L1002 L1003 L1005 L1007 L1008 L1009 L1010 L1011 L1012 L1013 L1014 L1015 L1016 L1017 L1018 L1019 L1020 L1021 L1022 L1023 L1024 L1025 L1026 L1027 L1028 L1029 L1030 L1031 L1032 L1033 L1034 L1035 L1036 L1037 L1038 L1039 L1041 L1042 L1043 L1044 L1045 L1046 L1047 L...

Page 16: ... transmission or infringement of any content or data from this document without Samsung s written authorization is strictly prohibited 8 Level 3 Repair 8 3 Flow Chart of Troubleshooting Oscilloscope Digital Multimeter Power Supply driver ESD Safe Tweezer 8960 Spectrum Analyzer Soldering iron www AppleUnlockStore com ...

Page 17: ...y Power on the phone and check the power on sound or motor Vibration Sound or Vibration is ok Change the FRONT LCD ASSY Check the voltage level at ANT6002 or R6015 while pressing power key Is the voltage high Check the signal of PMIC_PWR_HOLD 1 8V Check the Clock OSC5000 Is the frequency 24Mhz Replace the POWER KEY FPCB Check the output voltage of U5004 L5002 0 8V L5004 0 8V L5003 0 8V L5005 1 35V...

Page 18: ...from this document without Samsung s written authorization is strictly prohibited 8 Level 3 Repair 8 4 2 Initial Initial Failure Re download latest SW on the mobile phone Re Check 8 4 1 Power on Trouble shooting process Check the OSC5000 Crack open etc Check the U5004 Crack etc Change PBA Yes Abnormal Abnormal Change UCP400 Normal Abnormal END www AppleUnlockStore com ...

Page 19: ...rvice No service Home screen Phone Keypad 1234 check Phone version CP T285XXXX or unknown Check the connection of RF coaxial cable Replace the TCX2000 Yes CP J710XXX Replace the U2002 CP unknown END Check menu setting Settings Mobile networks Network mode Is setting auto connect Check the voltage level C2049 1 8V C2050 1 2V C2050 1 2V C2052 1 2V C2054 1 2V C2057 1 2V C2036 1 8V C2059 1 8V Check TC...

Page 20: ...ng s written authorization is strictly prohibited 8 Level 3 Repair 8 4 4 Sim Part SIM1 Insert SIM card Change to the new SIM card Work nomal Yes No Check the U3003 and U5004 No END Check the SIM Voltage C5098 1 8 or 3 0 V Check that SIM RST IO CLK ZD5001 ZD5002 ZD5007 has signal Check the UCP400 Crack etc No Yes Yes Is SIM socket ok Resoldering SIM socket pad No Yes Yes END www AppleUnlockStore co...

Page 21: ... Samsung s written authorization is strictly prohibited 8 Level 3 Repair 8 4 4 Sim Part SIM2 Insert SIM card Change to the new SIM card Work nomal Yes No Check the U5004 No END Check the SIM Voltage C5053 1 8 or 3 0 V Check that SIM RST IO CLK C5085 ZD5005 C5084 has signal Check the UCP400 Crack etc No Yes Yes Is SIM socket ok Resoldering SIM socket pad No Yes Yes END www AppleUnlockStore com ...

Page 22: ... infringement of any content or data from this document without Samsung s written authorization is strictly prohibited 8 Level 3 Repair 8 4 5 Charging Part TA USB Insert Yes Charging Sequence Start VBUS_IF_5P0 C5000 5V Battery is Charging Yes Yes Check the U5000 Crack etc No Check the U5000 Crack etc No END www AppleUnlockStore com ...

Page 23: ... transmission or infringement of any content or data from this document without Samsung s written authorization is strictly prohibited 8 Level 3 Repair 8 4 6 OTG Check VBUS_IF_5P0 C5000 5V Check the LXCHG L5000 5V Yes Yes Check the U5000 Crack etc No Check the U5000 Crack etc No END END Yes www AppleUnlockStore com ...

Page 24: ...t of any content or data from this document without Samsung s written authorization is strictly prohibited 8 Level 3 Repair 8 4 7 2 Proxy Sensor Proxy Sensor does not work Check Short ZD6001 ZD6002 CHECK PROXY_INT R6022 REPLACE U6004 Yes No NO REPLACE ZD6001 ZD6002 YES CHECK PROXY_SCL SDA R4050 R4051 CHANGE PBA NO END www AppleUnlockStore com ...

Page 25: ...f any content or data from this document without Samsung s written authorization is strictly prohibited 8 Level 3 Repair 8 4 7 3 Accel Sensor Accel sensor does not work Check voltage 1 8V C6032 C6060 REPLACE U6003 Yes Yes no YES REPLACE C6032 C6060 no Check ACC_INT TP6000 END Check SENSOR_SCL SDA R4048 R4049 CHANGE PBA no www AppleUnlockStore com ...

Page 26: ...fringement of any content or data from this document without Samsung s written authorization is strictly prohibited 8 Level 3 Repair 8 4 8 1 Microphone Part Main MIC Check main microphone function in voice call Handset mode or voice Check the voltage of C6007 at board 2 8V resolder or replace AU6000 Yes No END www AppleUnlockStore com ...

Page 27: ...r data from this document without Samsung s written authorization is strictly prohibited 8 Level 3 Repair 8 4 10 Receiver Part Check receiver function in voice call receiver mode Check RCV module where RCV s placed for any damage Replace the RCV module Yes Yes No END Check the signals on ANT6005 ANT6006 Resolder or replace U5004 No Yes www AppleUnlockStore com ...

Page 28: ...or data from this document without Samsung s written authorization is strictly prohibited 8 Level 3 Repair 8 4 11 Speaker Part Check receiver function in voice call receiver mode Check SPK module where SPK s placed for any damage Replace the SPK module Yes Yes No END Check the signals on SPK6000 SPK6000 Resolder or replace U5004 No Yes www AppleUnlockStore com ...

Page 29: ...ed 8 Level 3 Repair 8 4 12 BT WIFI END Change the board Check U3005 F3001 any damage Crack open etc Resolder or changed U3005 F3001 Yes BT WIFI is not working Yes Check BT or WIFI function ON Enable BT or WIFI Function No Yes Check ANT path any damage WIANT30 V3000 C3048 L3013 Resolder or change Antenna path components Yes Check the RF path L3012 L3011 C3047 L3010 C3052 Resolder or change RF path ...

Page 30: ... Level 3 Repair 8 4 13 GPS END Change the board Check U3001 F3000 U2002 F2000 any damage Crack open etc Resolder or changed U3001 F3000 U2002 F2000 Yes Ab GPS is not working Yes Check GPS function ON Enable GPS Function No Ab Yes Check ANT path any damage SUANT22 V2013 C2026 C2005 Resolder or change Antenna path components Yes Ab Check the RF path C3031 L3000 C3017 L3004 Resolder or change RF path...

Page 31: ...ten authorization is strictly prohibited 8 Level 3 Repair 8 4 14 NFC END Change the board Check U3003 any damage Crack open etc Resolder or changed U3003 Yes No No NFC is not working Yes Check NFC function ON Enable NFC Function No Yes Check ANT path any damage C3024 C3025 L3023 L3024 L3003 L3005 R3003 C3018 C3019 C3028 NFANT30 NF ANT31 Resolder or change Antenna path components Yes www AppleUnloc...

Page 32: ...horization is strictly prohibited 8 Level 3 Repair 8 4 15 Display Check the connection of HDC7002 Yes Chek VDD_LCD_3P0 C7013 3 0V VDD_LCD_1P8 C7015 1 8V Check ELVDD_4P6 C7017 4 6V ELVSS_ 4P4 C7016 4 4V ELAVDD_7P0 C7012 7 0V Yes Replace LCD Module Yes Yes Resolder or replace the DCDC U7002 No Resolder or Replace the PMIC U5004 No END LCD is still off after PWR ON Yes Reconnect the HDC7002 No www Ap...

Page 33: ...g s written authorization is strictly prohibited 8 Level 3 Repair 8 4 16 16M CAM Camera function does not work Check the camera connector on Main PBA Resolder U7003 U7041 U7008 U7005 U7006 REPLACE PBA No Yes no YES Reconnect the HDC7000 no Check the Voltage C7009 C7008 2 8V C7010 1 8V C7011 1 2v Check R7001 CAM_MCLK CHANGE PBA no CHANGE CAM Check R4103 R4104 CHANGE PBA no END www AppleUnlockStore ...

Page 34: ...sung s written authorization is strictly prohibited 8 Level 3 Repair 8 4 17 5M CAM Camera function does not work Check the camera connector on Main PBA Resolder U7003 U7041 U7008 U7005 U7006 REPLACE PBA No Yes no YES Reconnect the HDC7001 no Check the Voltage C7002 2 8V C7007 1 8V C7003 1 2v Check L7000 CAM_MCLK CHANGE PBA no CHANGE CAM Check R4090 R4091 CHANGE PBA no END www AppleUnlockStore com ...

Page 35: ...m this document without Samsung s written authorization is strictly prohibited 8 Level 3 Repair 8 4 18 TSP Check the connection of HDC7002 Yes Chek VDD_TSP_A3P3 C7014 3 3V Short open TSP INT I2C line Replace Octa Module Yes Yes 3 3V Resolder or Replace U5004 Check the TSP INT I2C Line No END Touch Screen does not work Yes Reconnect the HDC7002 No www AppleUnlockStore com ...

Page 36: ...ringement of any content or data from this document without Samsung s written authorization is strictly prohibited 8 Level 3 Repair 8 4 19 Motor MOTOR does not work CHECK the clip on Main PBA ANT6000 ANT6001 Resolder C6000 C6001 Yes Yes no YES Resolder ANT6000 ANT6001 no Check C6000 C6001 3 3V END Change MOTOR www AppleUnlockStore com ...

Page 37: ... 8 4 20 WCDMA 1 LTE 1 Rx It is not catching the channel in normal condition Resolder or change Rx path components No No END Check Rx path L1061 F1011 C1077 C1049 U1004 L1012 F1004 L1067 Is it OK Check TXM1000 U2002 any damage Crack open etc Resolder or change TXM1000 U2002 components Yes Yes No Yes Resolder or change Antenna path components Change the board Check ANT PATH any damage cable MAANT13 ...

Page 38: ...el 3 Repair 8 4 21 GSM1900 WCDMA 2 LTE 2 Rx It is not catching the channel in normal condition Resolder or change Rx path components No No END Check Rx path L1069 F1012 L1075 Is it ok Check TXM1000 U2002 any damage Crack open etc Resolder or change TXM1000 U2002 components Yes Yes No Yes Resolder or change Antenna path components Change the board Check ANT PATH any damage cable MAANT13 14 15 V1000...

Page 39: ... Level 3 Repair 8 4 22 GSM1800 LTE 3 Rx It is not catching the channel in normal condition Resolder or change Rx path components No No END Check Rx path L1048 F1009 L1080 Is it ok Check TXM1000 U2002 any damage Crack open etc Resolder or change TXM1000 U2002 components Yes Yes No Yes Resolder or change Antenna path components Change the board Check ANT PATH any damage cable MAANT13 14 15 V1000 C10...

Page 40: ...el 3 Repair 8 4 23 GSM850 WCDMA 5 LTE 5 Rx It is not catching the channel in normal condition Resolder or change Rx path components No No END Check Rx path L1025 F1003 L1028 Is it ok Check TXM1000 U2002 any damage Crack open etc Resolder or change TXM1000 U2002 components Yes Yes No Yes Resolder or change Antenna path components Change the board Check ANT PATH any damage cable MAANT13 14 15 V1000 ...

Page 41: ...el 3 Repair 8 4 24 GSM900 WCDMA 8 LTE 8 Rx It is not catching the channel in normal condition Resolder or change Rx path components No No END Check Rx path L1033 F1006 L1038 Is it ok Check TXM1000 U2002 any damage Crack open etc Resolder or change TXM1000 U2002 components Yes Yes No Yes Resolder or change Antenna path components Change the board Check ANT PATH any damage cable MAANT13 14 15 V1000 ...

Page 42: ... 8 Level 3 Repair 8 4 25 LTE 17 20 RX It is not catching the channel in normal condition Resolder or change Rx path components No No END Check Rx path L1046 F1008 L1066 Is it ok Check TXM1000 U2002 any damage Crack open etc Resolder or change TXM1000 U2002 components Yes Yes No Yes Resolder or change Antenna path components Change the board Check ANT PATH any damage cable MAANT13 14 15 V1000 C1004...

Page 43: ...pair 8 4 26 LTE 7 RX It is not catching the channel in normal condition Resolder or change Rx path components No No END Check Rx path L1034 F1007 C1078 L1009 U1000 L1010 F1001 L1039 Is it OK Check TXM1000 U2002 any damage Crack open etc Resolder or change TXM1000 U2002 components Yes Yes No Yes Resolder or change Antenna path components Change the board Check ANT PATH any damage cable MAANT13 14 1...

Page 44: ...pair 8 4 27 LTE 40 RX Resolder or change Rx path components No No END Check Rx path C1002 F1005 C1084 C1088 L1051 Is it OK Check TXM1000 U2002 PAM 1000 any damage Crack open etc Resolder or change TXM1000 U2002 PAM1000 components Yes Yes No Yes Resolder or change Antenna path components Change the board Check ANT PATH any damage cable MAANT13 14 15 V1000 C1004 C1075 RFS1000 C1022 C1016 It is not c...

Page 45: ...ited 8 Level 3 Repair 8 4 28 GSM1800 1900 TX It is not catching the channel in normal condition Check ANT PATH any damage cable MAANT13 14 15 V1000 C1004 C1075 RFS1000 C1022 C1016 Resolder or change Tx path components No No END Check Tx path C1015 Is it ok Check TXM1000 U2002 any damage Crack open etc Resolder or change TXM1000 U2002 components Yes Yes No Yes Resolder or change Antenna path compon...

Page 46: ... 4 29 LTE 17 20 TX It is not catching the channel in normal condition Check ANT PATH any damage cable MAANT13 14 15 V1000 C1004 C1075 RFS1000 C1022 C1016 Resolder or change Tx path components No No END Check Tx path L1046 C1074 F1008 L1026 L1029 L1030 C1038 L1032 Is it ok Check TXM1000 U2002 PAM1001 any damage Crack open etc Resolder or change TXM1000 U2002 components Yes Yes No Yes Resolder or ch...

Page 47: ...bited 8 Level 3 Repair 8 4 30 GSM850 900 TX It is not catching the channel in normal condition Check ANT PATH any damage cable MAANT13 14 15 V1000 C1004 C1075 RFS1000 C1022 C1016 Resolder or change Tx path components No No END Check Tx path L1015 Is it ok Check TXM1000 U2002 any damage Crack open etc Resolder or change TXM1000 U2002 components Yes Yes No Yes Resolder or change Antenna path compone...

Page 48: ... 8 4 31 WCDMA B1 LTE B1 TX It is not catching the channel in normal condition Check ANT PATH any damage cable MAANT13 14 15 V1000 C1004 C1075 RFS1000 C1022 C1016 Resolder or change Tx path components No No END Check Tx path L1061 F1011 C1092 C1033 L1016 Is it ok Check TXM1000 U2002 PAM1000 any damage Crack open etc Resolder or change PAM1000 TXM1000 U2002 components Yes Yes No Yes Resolder or chan...

Page 49: ... 8 4 32 WCDMA B2 LTE B2 TX It is not catching the channel in normal condition Check ANT PATH any damage cable MAANT13 14 15 V1000 C1004 C1075 RFS1000 C1022 C1016 Resolder or change Tx path components No No END Check Tx path L1069 F1012 L1023 C1033 L1016 Is it ok Check TXM1000 U2002 PAM1000 any damage Crack open etc Resolder or change PAM1000 TXM1000 U2002 components Yes Yes No Yes Resolder or chan...

Page 50: ...pair 8 4 33 LTE B3 TX It is not catching the channel in normal condition Check ANT PATH any damage cable MAANT13 14 15 V1000 C1004 C1075 RFS1000 C1022 C1016 Resolder or change Tx path components No No END Check Tx path L1048 F1009 C1037 C1033 L1016 Is it ok Check TXM1000 U2002 PAM1000 any damage Crack open etc Resolder or change PAM1000 TXM1000 U2002 components Yes Yes No Yes Resolder or change An...

Page 51: ... 8 4 34 WCDMA B5 LTE B5 TX It is not catching the channel in normal condition Check ANT PATH any damage cable MAANT13 14 15 V1000 C1004 C1075 RFS1000 C1022 C1016 Resolder or change Tx path components No No END Check Tx path L1025 F1003 C1080 C1038 L1032 Is it ok Check TXM1000 U2002 PAM1001 any damage Crack open etc Resolder or change PAM1001 TXM1000 U2002 components Yes Yes No Yes Resolder or chan...

Page 52: ... 8 4 35 WCDMA B8 LTE B8 TX It is not catching the channel in normal condition Check ANT PATH any damage cable MAANT13 14 15 V1000 C1004 C1075 RFS1000 C1022 C1016 Resolder or change Tx path components No No END Check Tx path L1033 F1006 C1057 C1038 L1032 Is it ok Check TXM1000 U2002 PAM1001 any damage Crack open etc Resolder or change PAM1001 TXM1000 U2002 components Yes Yes No Yes Resolder or chan...

Page 53: ...pair 8 4 36 LTE B7 TX It is not catching the channel in normal condition Check ANT PATH any damage cable MAANT13 14 15 V1000 C1004 C1075 RFS1000 C1022 C1016 Resolder or change Tx path components No No END Check Tx path L1034 F1007 C1029 C1023 L1013 Is it ok Check TXM1000 U2002 PAM1000 any damage Crack open etc Resolder or change PAM1000 TXM1000 U2002 components Yes Yes No Yes Resolder or change An...

Page 54: ...pair 8 4 36 LTE B40 TX It is not catching the channel in normal condition Check ANT PATH any damage cable MAANT13 14 15 V1000 C1004 C1075 RFS1000 C1022 C1016 Resolder or change Tx path components No No END Check Tx path C1002 F1005 C1084 C1023 L1013 Is it ok Check TXM1000 U2002 PAM1000 any damage Crack open etc Resolder or change PAM1000 TXM1000 U2002 components Yes Yes No Yes Resolder or change A...

Page 55: ...change without prior notice Distribution transmission or infringement of any content or data from this document without Samsung s written authorization is strictly prohibited 8 Level 3 Repair 8 5 Service Schematics NC Point Top View UCP5000 AP NC AT12 www AppleUnlockStore com ...