LG Nexus 5 Service Manual
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3. TROUBLE SHOOTING - 71 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only 3.5.3.10 LTE B20 BOTTOP TP1 TP3 TP2
3. TROUBLE SHOOTING - 72 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only SW100120549-001EEAG63293301 4 3 2 1 ANTCOMMON G3G4 LDJ18829M24AD011 FL1000 ECA30240001 IN 1 Termination_Port 4GND1 2GND2 5OUT 3 Coupling 6 100nL1002DNI L1071 L1072 DNI 33p C11131n C1001 W_FL2-R-SMT-1_80 SW1000 EAG63412001 G1 G2ANTG3 TRX_ANT1 CPL_CPL CPL_PDET_IN TP1 C1035 10u C1112 100p 100p C1037 R1017 0 R10180 2 1 RF8020 EAN62867601 U1002 6 5 7 4 8 3 9 2 10 1 11 PGNDVCC1 VCC2 RFINRFOUT VBAT NC VIO GND SDTA SCLK VPA_BATT +1V8_VREG_S3A_RF DNI L1031 0 R1012 R1013 0 VPA 33p C1046 DNI L1032 DNI C1036 5.1 R1019 1n C1118 DNI C1038 RFFE1_DATA RFFE1_CLK B20 PA 4/4_QCT_R-013571 Closed to PA RC snubber TP2 TP3
3. TROUBLE SHOOTING - 73 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only Check the U1000 Check TP1 Over 21 dBm?RF TX Level is OK Yes No Check U2004 (WTR1605L) Check TP2 Over 21 dBm? Check FL1005 (B20 Duplexer) Yes No Check TP3 Over -3 dBm?Check U1002(PAM) Yes No
3. TROUBLE SHOOTING - 74 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only 3.5.4 Checking RF Rx Level 3.5.4.1 WCDMA B1/ LTE B1 BOT TP3 FL1018 TP2 TP1 TP4
3. TROUBLE SHOOTING - 75 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only C1114100pEAG63293301 20549-001E SW1003 4 3 2 1 ANTCOMMON G3G4 22p C1071 W_FL2-R-SMT-1_80 SW1002 EAG63412001 G1 G2ANTG3 ECA30240001 FL1014 LDJ18829M24AD011 IN 1 Termination_Port 4GND1 2GND2 5OUT 3 Coupling 6 L1048 100n R1011 49.9 DNI L107 3 L1074 DNI TRX_ANT2 CPL_CPL 13.04.25 changed TP1 C10521.8n L1038 3.3n C112510p 10p C1124 100p C1063 3.3n C1123 DNI L104 5 C1065 1n 8.2nL1081 C1056 33p C106133p 100p C1121 EAM62493001 FL1020 XM0831SZ 3 9 7 5 6 1 4 10 8 2 GND1 PORT1- PORT3- PORT2- PORT3+ CTLPORT2+PORT1+ VDDGND2 +2V95_VREG_L16 EAM62791401 FL1012 ACMD-4104-TR1 7 5 9 4 2 8 1 3 6 ANT TX RX1RX2GND1GND2GND5GND3GND4 C1122 3.3n 22nL1084 6.8nL1039 EAM62930901 B8575 FL1007 9 5 7 3 1 2 8 4 6 ANTGND2 RX_OUT2GND1 RX_OUT1 TX_IN GND4GND3GND5 PRX_MB3_IN_P PRX_MB3_IN_N TX_PA_OUT_B4TRX_B4 TRX_B1 PRX_B1_B4_SEL TX_PA_OUT_B1 L H H H VDD VCTLPRX_B4(P2) PRX_B1(P3)Path B4 B1 TP2 TP3 TP4 L1054 DNI LMSP32QP-F03 EAT61793601FL1018 23 11 10 8 9 6 7 5 13 4 12 2 15 14 20 17 21 16 22 19 3 18 1 TRX2 VDD TRX10 VIO TRX3 TRX4 SCLK GND5 SDATA TRX6TRX5 TRX1 GND4 GND1 TRX7 TRX9 GND2TRX8 TX1LBTX2HB GND3ANT GND6 C1081 100p +1V8_VREG_S3A_RF 100p C1080 +2V95_VREG_L16 33p C1079 RFFE2_DATA RFFE2_CLK TRX_ANT2 TX_GSM_HB TRX_B3 TRX_B2_B25 TRX_B7 RX_B41 TRX_B4 TRX_B1 TX_B41 FL1018
3. TROUBLE SHOOTING - 76 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only Check TP1 Check TP1 Signal Exist?Check the RX Level Yes Yes Yes Yes No No No No Check the U2004 (WTR1605L-1) Check TP2 Signal Exist?Check the FL1018 Check TP3 Signal Exist? Check TP4 Signal Exist? Check the FL1007 (B1 Duplexer) Check the FL1020 (B1/4 Separator)
3. TROUBLE SHOOTING - 77 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only 3.5.4.2 WCDMA B2/ PCS1900 BOT TP2 TP1 TP3 FL1018
3. TROUBLE SHOOTING - 78 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only C1114100pEAG63293301 20549-001E SW1003 4 3 2 1 ANTCOMMON G3G4 22p C1071 W_FL2-R-SMT-1_80 SW1002 EAG63412001 G1 G2ANTG3 ECA30240001 FL1014 LDJ18829M24AD011 IN 1 Termination_Port 4GND1 2GND2 5OUT 3 Coupling 6 L1048 100n R1011 49.9 DNI L107 3 L1074 DNI TRX_ANT2 CPL_CPL 13.04.25 changed TP1 L1054 DNI LMSP32QP-F03 EAT61793601FL1018 23 11 10 8 9 6 7 5 13 4 12 2 15 14 20 17 21 16 22 19 3 18 1 TRX2 VDD TRX10 VIO TRX3 TRX4 SCLK GND5 SDATA TRX6TRX5 TRX1 GND4 GND1 TRX7 TRX9 GND2TRX8 TX1LBTX2HB GND3ANT GND6 C1081 100p +1V8_VREG_S3A_RF 100p C1080 +2V95_VREG_L16 33p C1079 RFFE2_DATA RFFE2_CLK TRX_ANT2 TX_GSM_HB TRX_B3 TRX_B2_B25 TRX_B7 RX_B41 TRX_B4 TRX_B1 TX_B41 FL1018 C1051 100p L1036 6.8nL1060 DNI DNI L1037 100p C1055 5.6n L1062 C1050 1.2p FL1008 EAM62930201ACMD-6125 7 5 8 4 9 2 3 1 6 ANT RX TX GND1GND6GND2GND5GND3GND4 C1053 2.7nL1061 5.6nC10881.2p TX_PA_OUT_B2_B25 TRX_B2_B25 PRX_MB1_IN_N PRX_MB1_IN_P B2/B25/BC1/G1900 TP2TP3
3. TROUBLE SHOOTING - 79 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only Check TP1 Check TP1 Signal Exist?Check the RX Level Yes Yes Yes No No No Check the U2004 (WTR1605L-1) Check TP2 Signal Exist?Check the FL1018 Check TP3 Signal Exist? Check the FL1008 (B2 Duplexer)
3. TROUBLE SHOOTING - 80 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only 3.5.4.3 WCDMA B4 BOT L1054 DNI LMSP32QP-F03 EAT61793601FL1018 23 11 10 8 9 6 7 5 13 4 12 2 15 14 20 17 21 16 22 19 3 18 1 TRX2 VDD TRX10 VIO TRX3 TRX4 SCLK GND5 SDATA TRX6TRX5 TRX1 GND4 GND1 TRX7 TRX9 GND2TRX8 TX1LBTX2HB GND3ANT GND6 C1081 100p +1V8_VREG_S3A_RF 100p C1080 +2V95_VREG_L16 33p C1079 RFFE2_DATA RFFE2_CLK TRX_ANT2 TX_GSM_HB TRX_B3 TRX_B2_B25 TRX_B7 RX_B41 TRX_B4 TRX_B1 TX_B41 FL1018 TP2 TP1 TP4 TP3 FL1018