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LG Nexus 5 Service Manual

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    							3. TROUBLE SHOOTING
    - 121 -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 DRX Level
    Yes
    Yes
    Yes
    No
    No
    No
    Check the U2004
    (WTR1605L-1)
    Check TP2 
    Signal Exist?Check the FL2003
    Check TP3 
    Signal Exist?
    Check the FL2008
    (B20 DRx SAW Filter)   
    						
    							3. TROUBLE SHOOTING
    - 122 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only
    3.6 GPS Trouble shooting
    3.6.1 GPS IC Component
    Reference No.DescriptionReference No.Description
    FL2011SAW FilterU2005GPS LNA
    FL2009GPS & B7/41 DiplexerSW2001RF SWITCH
    ANT2003GPS ANT (Signal)U2004WTR1605L
    ANT2002GPS ANT (GND)
    U2004
    BOT   
    						
    							3. TROUBLE SHOOTING
    - 123 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only
    3.6.2 GPS SIGNAL PATH 
    BOT
    BOT
    U2004
    GPS INMGPS INP
    16G32G
    D820
    D821
    12 C
    D E F G
    H J
    K
    LM
    N
    B
    A
    1 P
    N
    A
    BC
    D H
    G
    FE M
    L
    K
    J
    1
    14
    1
    9
    9
    10
    11
    20
    D
    3
    A
    1
    3233
    64
    3536
    70
    17
    18
    34
    2021
    40
    15
    16
    30
    J10000
    U13000
    L200
    0
    R102 5
    C2088
    L7002
    U1007
    C106 9
    C13050
    L2032
    U5001
    L7000
    C13012 C2082
    L203
    7
    C2091
    C1023
    C1 1001
    C106 1
    C4124
    FL1001
    C6057
    C2026
    C9026
    C2041
    R11012
    SC1202 1C13059
    L2017
    C2079
    L13015
    U700 0
    C4023
    C13007
    C2095
    L1070
    SC12016
    C4021SC1201 1
    C1081
    R1027
    R9001
    FL1018
    C1005
    R5011C1136
    FL13001
    C2090
    C5004
    ANT13000
    C1062
    C1301
    3
    L1039
    R1003 4
    R8003
    R6043
    L2007
    C11014
    C2023
    C203 2
    C1124
    C2084
    C13022
    C13035 C4066
    C209
    2
    TP8001
    R2028
    L13017
    R1015
    C1063
    TP11001
    L13016
    C108 8
    L2001
    TP1301 3
    C4025
    C11016
    L104 8
    C2073
    L1088
    L1029
    C7014
    L105 0
    FL1020
    C411 2
    L1065
    R2016
    C208 6
    L1060
    FL201 1
    C1027
    C2051
    FL2013
    C1306 0
    R1008
    L13012
    C4015
    C1079
    C2078
    R5004
    C13020
    C1133
    C411 7
    C2085
    L2036
    R13005C1068
    C9023
    L2010
    C201 1
    C1116
    C13051
    C700
    0
    D9000
    C11013
    R8025
    C1105
    C2033
    C2001
    C1057
    U200 5
    C1121
    C402 0
    C7002FL2008
    C1301
    8
    ZD9000
    ZD9002
    C2016
    FL1015
    FL1011
    ZD9001
    C1010
    C2074
    R13008
    C1302 9
    C1073
    C1043
    L13000
    C13024
    C2050
    R13009
    TP1301 6
    X13000
    L2019
    L1004
    C13023
    L2021
    L1081
    C206 2
    L1041
    C4019
    C4116
    ANT2002
    C7007
    L2004
    SW1000
    SW1003
    C4139
    TP1301 0
    R8044 C1089
    C107
    1
    L1301 3
    ANT2001
    FL1008
    C1009
    C13052
    C5002
    C7003
    C2015
    C4065
    C7004
    R8004
    C4146
    R13010
    C2019
    C3009
    R302 1
    U1000
    L1013
    L2013
    C2045
    R11007
    L2014
    U13001
    R201 7
    C2047
    L2016
    C107 8
    L1074
    L203 1
    L7006
    C205 5
    C1008
    C13049
    FL2003
    C9003
    L2028
    C2094
    C1305 3
    C2013
    C1114
    C2002
    FL1012
    C9004
    C13001
    ANT13001
    R5000 C206
    7
    C2042
    C2069
    R1006
    D9002
    L13001
    FL1005
    L1086
    TP1300 7
    C9009
    R13017
    FL13002
    FL1000
    C2040
    R11071
    R101 1
    C207 6
    L1011
    C206 6
    L1064
    L2030
    R301 6
    C7005
    U2006
    U13002
    C2053
    ANT200 3
    L2012
    C13010
    R10004
    C4022
    C2060
    C9018
    C4125
    L1047
    L7004
    C7009
    FL2002
    L1066
    C4095
    C105 0
    C4029
    R13003
    ZD6000
    C2081
    C206 5
    L2024
    U11000
    R13002 L2029
    C13048
    R13007
    C2008
    C208
    9 TP11
    005
    R3023
    R1009
    R2019
    C4087SC12001
    C2017
    R1005
    U2004
    C4111
    L1054
    C4145
    L104 5
    L200 3
    L1038
    TP1300 9
    C2009
    R4000
    BAT6000R101 6
    C2039
    SW1001
    C1016
    C2044
    C4102
    C13055
    C2028
    U11005
    R500 5
    C2056
    C9001
    TP13006
    C1060
    L1071
    C2027
    TP8002
    C1070
    L13014
    L106 3
    CN11002
    R1010
    R13000 1
    R5010
    C2087
    FL1014
    C2000
    L2034
    C2080
    L2026
    TP3001
    U8001
    C13041
    C206 1
    L1089
    D8002
    L2011
    C8005
    L1036
    FL2001
    C413 5
    C2068
    SC1201 7
    C13017
    C1131
    SC1200 3
    C2043
    D1000 7
    R8027
    R2027
    SC12000
    C7011
    R5008
    R500 6
    CN9001
    C11003
    L1007
    FL2005
    VB1 1000
    TP1301 2
    C13008
    L2025
    TP1301 1
    C1123
    C408 1
    FB10000
    U9004
    C2021
    C4067
    C8007
    FL1013
    R11070
    L1037
    C105 6
    FL1007
    C1306
    C4014
    C13028
    R1024
    FL2012
    C2025
    C2038
    L1017
    C11018
    C1125
    C9000
    R500 1
    L7005
    C205 7
    L7003
    TP1301 5TP13014
    C2003
    C1302 7
    C13031
    L1085
    CN11001
    CN8001
    C902 0
    C4064
    L1084
    C7013
    C9019
    C2004
    R130013
    CN8002
    R10037
    C2093
    FL1003
    C1000 0
    C4109
    ANT2000
    C2007
    L7001
    FL2014
    C13057
    R5009
    C2063
    R130010R13000
    C7012
    SW2000
    TP13018 C205
    9
    C4026
    SC12005
    C1059
    C5003
    C2030
    R2012
    C5000
    C11017
    L9002
    C9025
    C206 4
    C1122
    C1 134
    R301 8
    C11004
    L2027
    L107 3
    U2007
    C1001
    FL1016
    L1046
    L1042
    C1132 C4024
    C4115
    C1301
    1
    C9027
    C13026
    C13009
    FL2000
    L1044
    C11010
    TP8003
    R1007
    C205 2
    L2035
    C4108
    R8026
    C13056
    L7007
    C7001
    R2013
    R500 2
    SC1201 0
    U2003
    C7006
    R8005
    L2018
    R11015
    C109 0
    C1044
    L1025
    L1002
    CN9000
    C11015
    C13054
    C1305 8 C1026
    TP1300
    8
    C1051C1055
    C7010
    L9001
    C5001
    R5007
    C13046
    C1113
    C2058
    C1004
    C4028
    C3008
    C1 101 1
    L2005L201 5
    C204 6
    C11002R1003 1
    U11001
    LD6000
    L1301 0
    C1067
    L1062
    C1039
    FL2007
    R5003
    C1064
    TP1301 7C2071
    D11001
    SW1002
    R301 7
    FL1017
    C4030
    R1100 4
    C413 2
    U2001
    FL200 9
    C1025
    L2033
    C5005
    L2008
    C4094
    R301 9
    C2014
    C2072
    SC1200 9
    C6046
    C1065
    C4093
    C4107
    C2029
    C13042
    L1072
    C13003L2022
    C105 2
    C2012
    C108 0
    C4106
    C13004
    C13000
    FB1300 0
    C1135
    C205 4
    C9002
    C1019
    L13007
    CN8000
    SW2001
    R302 0
    C1066
    C2070
    U11003
    FL13000
    C2083
    L1061
    C2048
    C105 3
    C1303 0
    L2020
    C4118
    L1043
    FL2004
    C2049
    C13002
    C9008
    GPS INP
    GPS INM   
    						
    							3. TROUBLE SHOOTING
    - 124 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only
    3.6.3 Checking GPS 
    START
    Check the connection
    between Antenna & C-Clip
    1. Replace antenna on battery cover,
    or, C-Clip on PCB.
    2. Remove the foreign substance in ANT2003
    No
    Yes
    Yes
    Check WTR1605L
    Yes
    Check TP1
    C2073, C2074 = 2.7V
    Check TP2
    19.2MHz Clock exist?
    The problem may be refer to PMIC block,
    Check PM8941.
    Check 19.2MHz XTAL. (X6000) 
    No
    No   
    						
    							3. TROUBLE SHOOTING
    - 125 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only
    BOT
    Schematic of GPS LNA Block
    16G32G
    D820
    D821
    12 C
    D E F G
    H J
    K
    LM
    N
    B
    A
    1 P
    N
    A
    BC
    D H
    G
    FE M
    L
    K
    J
    1
    14
    1
    9
    9
    10
    11
    20
    D
    3
    A
    1
    3233
    64
    3536
    70
    17
    18
    34
    2021
    40
    15
    16
    30
    J10000
    U13000
    L200
    0
    R102 5
    C2088
    L7002
    U1007
    C106 9
    C13050
    L2032
    U5001
    L7000
    C13012 C2082
    L203
    7
    C2091
    C1023
    C1 1001
    C106 1
    C4124
    FL1001
    C6057
    C2026
    C9026
    C2041
    R11012
    SC1202 1C13059
    L2017
    C2079
    L13015
    U700 0
    C4023
    C13007
    C2095
    L1070
    SC12016
    C4021SC1201 1
    C1081
    R1027
    R9001
    FL1018
    C1005
    R5011C1136
    FL13001
    C2090
    C5004
    ANT13000
    C1062
    C1301
    3
    L1039
    R1003 4
    R8003
    R6043
    L2007
    C11014
    C2023
    C203 2
    C1124
    C2084
    C13022
    C13035 C4066
    C209
    2
    TP8001
    R2028
    L13017
    R1015
    C1063
    TP11001
    L13016
    C108 8
    L2001
    TP1301 3
    C4025
    C11016
    L104 8
    C2073
    L1088
    L1029
    C7014
    L105 0
    FL1020
    C411 2
    L1065
    R2016
    C208 6
    L1060
    FL201 1
    C1027
    C2051
    FL2013
    C1306 0
    R1008
    L13012
    C4015
    C1079
    C2078
    R5004
    C13020
    C1133
    C411 7
    C2085
    L2036
    R13005C1068
    C9023
    L2010
    C2011
    C1116
    C13051
    C700
    0
    D9000
    C11013
    R8025
    C1105
    C2033
    C2001
    C1057
    U200 5
    C1121
    C402 0
    C7002FL2008
    C1301
    8
    ZD9000
    ZD9002
    C2016
    FL1015
    FL1011
    ZD9001
    C1010
    C2074
    R13008
    C1302 9
    C1073
    C1043
    L13000
    C13024
    C2050
    R13009
    TP1301 6
    X13000
    L2019
    L1004
    C13023
    L2021
    L1081
    C206 2
    L1041
    C4019
    C4116
    ANT2002
    C7007
    L2004
    SW1000
    SW1003
    C4139
    TP1301 0
    R8044 C1089
    C107
    1
    L1301 3
    ANT2001
    FL1008
    C1009
    C13052
    C5002
    C7003
    C2015
    C4065
    C7004
    R8004
    C4146
    R13010
    C2019
    C3009
    R302 1
    U1000
    L1013
    L2013
    C2045
    R11007
    L2014
    U13001
    R201 7
    C2047
    L2016
    C107 8
    L1074
    L203 1
    L7006
    C205 5
    C1008
    C13049
    FL2003
    C9003
    L2028
    C2094
    C1305 3
    C2013
    C1114
    C2002
    FL1012
    C9004
    C13001
    ANT13001
    R5000 C206
    7
    C2042
    C2069
    R1006
    D9002
    L13001
    FL1005
    L1086
    TP1300 7
    C9009
    R13017
    FL13002
    FL1000
    C2040
    R11071
    R101 1
    C207 6
    L1011
    C206 6
    L1064
    L2030
    R301 6
    C7005
    U2006
    U13002
    C2053
    ANT200 3
    L2012
    C13010
    R10004
    C4022
    C2060
    C9018
    C4125
    L1047
    L7004
    C7009
    FL2002
    L1066
    C4095
    C105 0
    C4029
    R13003
    ZD6000
    C2081
    C206 5
    L2024
    U11000
    R13002 L2029
    C13048
    R13007
    C2008
    C208
    9 TP11
    005
    R3023
    R1009
    R2019
    C4087SC12001
    C2017
    R1005
    U2004
    C4111
    L1054
    C4145
    L104 5
    L200 3
    L1038
    TP1300 9
    C2009
    R4000
    BAT6000R101 6
    C2039
    SW1001
    C1016
    C2044
    C4102
    C13055
    C2028
    U11005
    R500 5
    C2056
    C9001
    TP13006
    C1060
    L1071
    C2027
    TP8002
    C1070
    L13014
    L106 3
    CN11002
    R1010
    R13000 1
    R5010
    C2087
    FL1014
    C2000
    L2034
    C2080
    L2026
    TP3001
    U8001
    C13041
    C206 1
    L1089
    D8002
    L2011
    C8005
    L1036
    FL2001
    C413 5
    C2068
    SC1201 7
    C13017
    C1131
    SC1200 3
    C2043
    D1000 7
    R8027
    R2027
    SC12000
    C7011
    R5008
    R500 6
    CN9001
    C11003
    L1007
    FL2005
    VB1 1000
    TP1301 2
    C13008
    L2025
    TP1301 1
    C1123
    C408 1
    FB10000
    U9004
    C2021
    C4067
    C8007
    FL1013
    R11070
    L1037
    C105 6
    FL1007
    C1306
    C4014
    C13028
    R1024
    FL2012
    C2025
    C2038
    L1017
    C11018
    C1125
    C9000
    R500 1
    L7005
    C205 7
    L7003
    TP1301 5TP13014
    C2003
    C1302 7
    C13031
    L1085
    CN11001
    CN8001
    C902 0
    C4064
    L1084
    C7013
    C9019
    C2004
    R130013
    CN8002
    R10037
    C2093
    FL1003
    C1000 0
    C4109
    ANT2000
    C2007
    L7001
    FL2014
    C13057
    R5009
    C2063
    R130010R13000
    C7012
    SW2000
    TP13018 C205
    9
    C4026
    SC12005
    C1059
    C5003
    C2030
    R2012
    C5000
    C11017
    L9002
    C9025
    C206 4
    C1122
    C1 134
    R301 8
    C11004
    L2027
    L107 3
    U2007
    C1001
    FL1016
    L1046
    L1042
    C1132 C4024
    C4115
    C1301
    1
    C9027
    C13026
    C13009
    FL2000
    L1044
    C11010
    TP8003
    R1007
    C205 2
    L2035
    C4108
    R8026
    C13056
    L7007
    C7001
    R2013
    R500 2
    SC1201 0
    U2003
    C7006
    R8005
    L2018
    R11015
    C109 0
    C1044
    L1025
    L1002
    CN9000
    C11015
    C13054
    C1305 8 C1026
    TP1300
    8
    C1051C1055
    C7010
    L9001
    C5001
    R5007
    C13046
    C1113
    C2058
    C1004
    C4028
    C3008
    C1 101 1
    L2005L201 5
    C204 6
    C11002R1003 1
    U11001
    LD6000
    L1301 0
    C1067
    L1062
    C1039
    FL2007
    R5003
    C1064
    TP1301 7C2071
    D11001
    SW1002
    R301 7
    FL1017
    C4030
    R1100 4
    C413 2
    U2001
    FL200 9
    C1025
    L2033
    C5005
    L2008
    C4094
    R301 9
    C2014
    C2072
    SC1200 9
    C6046
    C1065
    C4093
    C4107
    C2029
    C13042
    L1072
    C13003L2022
    C105 2
    C2012
    C108 0
    C4106
    C13004
    C13000
    FB1300 0
    C1135
    C205 4
    C9002
    C1019
    L13007
    CN8000
    SW2001
    R302 0
    C1066
    C2070
    U11003
    FL13000
    C2083
    L1061
    C2048
    C105 3
    C1303 0
    L2020
    C4118
    L1043
    FL2004
    C2049
    C13002
    C9008
    TP1
    4
    1.2p C2093
    +2V95_VREG_L16
    100p C2073
    C2074
    100p
    8.2n
    L2021
    1p
    L2022
    L2020
    10nR2016 10n
    EAN62581401 U2005
    SFMG2B0D001
    4
    5
    3
    6
    2
    7
    1
    8
    GND3
    VDDVCTRL
    RFIN
    RFOUT2
    GND1
    RFOUT1
    GND2C2095
    2.2n
    C2094
    2.2nGPS_INM
    GPS_ELNA_EN
    GPS_INP
    '13.04.11
    GPS LNA
    '13.05.07:reva->revB(22nH->0.5pF)
    '13.05.08:reva->revB(10pF Added)
    '13.06.04:revb->revC(10pF->1nH)
    TP1   
    						
    							3. TROUBLE SHOOTING
    - 126 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only
    TOP
    X6000
    U6002
    (PM8941)
    BOT
    U2004
    TP2   
    						
    							3. TROUBLE SHOOTING
    - 127 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only
    Schematic of WTR1605L
    R20194.75K
    DNI
    C2078
    0
    R2017100p
    C2027
    86 100
    45
    89 80 93 60 79 120 105 121 88 114 96 71 70 62 56
    GNSS_BB_IP
    GNSS_BB_IM
    GNSS_BB_QP
    GNSS_BB_QM
    DNC4
    DNC5
    GP_DATA2
    GP_DATA1
    GP_DATA0
    XO_IN
    VTUNE_PRX
    RBIAS
    DNC3
    SSBI_PRX_DRX
    SSBI_TX_GNSS
    RX_ON
    RF_ON
    DNC1
    XO_OUT_A0
    RF_ON0
    RX_ON0
    WTR_GNSSBB_I_P
    WTR_GNSSBB_I_M
    WTR_GNSSBB_Q_P
    WTR_GNSSBB_Q_M
    WTR_SSBI_TX_GPS
    WTR_GPDATA1
    WTR_GPDATA0
    WTR_SSBI_PRX_DRX
    4/4_QCT_R-013555(XO_OUT_A1 removed)
    4 line add
    13.05.07:reva->revB(0603->0402,DNI->0)
    TP2   
    						
    							3. TROUBLE SHOOTING
    - 128 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only
    3.7 WIFI/BT Trouble shooting
    3.7.1 WIFI/BT IC Component
    Reference No.DescriptionReference No.Description
    FL13000DiplexerU130012.4G SP3T+LNA
    FL13001SAWU130025G SP2T+LNA
    U13000WIFI/BT ChipX13000Crystal
    BOT
    U13000
    U13001
    U13002
    FL13001
    FL13000
    X13000   
    						
    							3. TROUBLE SHOOTING
    - 129 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only
    3.7.2 WIFI/BT Signal Path_Tx / Rx
    Tx Path
    Rx Path
    BOT
    U13000
    U13001
    U13002FL13001
    2.4G5G
    FL13000
    ANT
    X13000   
    						
    							3. TROUBLE SHOOTING
    - 130 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only
    3.7.3 WIFI/BT Signal Path_Tx
    Tx Path
    BOT
    U13000
    U13001
    U13002FL13001
    2.4G
    ANT Matching
    5G
    FL13000
    ANT
    X13000   
    						
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