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LG Nexus 5 Service Manual

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    							3. TROUBLE SHOOTING
    - 101 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only
    Check TP1
    TP1 > 2.95V Check the Power ON
    No
    Yes
    Check TP2
    TP2 > 1.8V 
    TP3 Signal?
    Check the PM8941
    Check the FL2003
    No
    No
    Yes
    Yes
    Check TP3
    RF Path Open   
    						
    							3. TROUBLE SHOOTING
    - 102 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only
    3.5.6 Checking RF DRx Level
    3.5.6.1 WCDMA B1, B4/ LTE B1
    BOT
    TP1
    FL2003
    Separator
    TP2
    TP3
    TP4   
    						
    							3. TROUBLE SHOOTING
    - 103 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only
    FL2003
    EAM62690801RF1660
    21
    20
    15
    19
    10 18
    16
    8
    11
    7
    9
    6
    5
    12
    4
    3
    13
    2
    14
    1
    17
    VDD
    NC
    RF2
    RF10
    RF3
    RF9RF8
    RF4
    RF7RF6
    ANT
    GND1
    RF5
    GND2
    GND4
    VIOGND3
    SDATA
    RF1
    SCLKPGND
    L2013
    1.5p
    20549-001E
    SW2000 EAG63293301
    4
    3 2
    1 ANTCOMMONG3G4
    100p
    L2011
    DNI
    L2012
    100p C2016
    +1V8_VREG_S3A_RF
    100p C2015
    +2V95_VREG_L16
    100nL2014
    ANT2000
    MBV6256160
    1FEEDMBV62561601
    ANT2001
    FEED
    100p C2023
    C2021
    6.8n
    L2010 2.2p
    RFFE2_DATARFFE2_CLK
    DRX_B17
    DRX_B8DRX_B5_B26
    DRX_B3DRX_B2_B25DRX_B1_B4
    '13.05.07:reva->revB
    Change:HighFre.revD->rev10(0702)
    13.04.16
    13.04.16
    TP1
    150p
    C2001
    L2001 DNI
    FL2000
    SAFEB2G14FB0F00 SFSY0028201 G1
    2O1
    3IN
    1G2
    5O2
    4L2000
    10n
    C2000 10p
    C200210p
    DRX_B1_B4
    DRX_B1_B4_IN_P
    DRX_B1_B4_IN_NB1/B4
    TP2
    TP3
    U2001
    RF1633
    EAM62470001
    19
    5
    15
    14
    13
    7 6
    17
    4 3 2
    18
    9
    8
    16
    10
    11
    1
    12
    PCA
    GND1
    PCB
    GND6
    CTL1
    GND4GND5
    P3A
    GND2
    P2A
    P2B
    P3B
    P1BP1A
    VDD
    GND7
    CTL2
    GND3
    GND8
    C200 4
    100pC2003
    100p
    C2013
    100p
    C2008 100p
    C2012 100p
    +2V95_VREG_L16
    L2004 4.7n
    DRX_B2_IN_P
    DRX_B2_IN_N
    DRX_MB_SEL1
    DRX_MB_SEL0
    DRX_MB_IN_N
    DRX_MB_IN_P
    DRX_B3_IN_P
    DRX_B3_IN_N
    DRX_B1_B4_IN_P
    DRX_B1_B4_IN_N
    L L
    CTL2
    DRX_B2(P2) DRX_B3(P1) Path
    L H
    CTL1
    DRX_B1_B4(P3) LH
    TP4   
    						
    							3. TROUBLE SHOOTING
    - 104 -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
    Yes
    No
    No
    No
    No
    Check the U2004
    (WTR1605L-1)
    Check TP2 
    Signal Exist?Check the FL2003
    Check TP3 
    Signal Exist?
    Check TP4 
    Signal Exist?
    Check the FL2000
    (B1, B4 DRx SAW Filter)
    Check the U2001
    (DRx Separator)   
    						
    							3. TROUBLE SHOOTING
    - 105 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only
    3.5.6.2 WCDMA B2
    BOT
    TP1
    FL2003
    Separator
    TP2
    TP3
    TP4   
    						
    							3. TROUBLE SHOOTING
    - 106 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only
    FL2003
    EAM62690801RF1660
    21
    20
    15
    19
    10 18
    16
    8
    11
    7
    9
    6
    5
    12
    4
    3
    13
    2
    14
    1
    17
    VDD
    NC
    RF2
    RF10
    RF3
    RF9RF8
    RF4
    RF7RF6
    ANT
    GND1
    RF5
    GND2
    GND4
    VIOGND3
    SDATA
    RF1
    SCLKPGND
    L2013
    1.5p
    20549-001E
    SW2000 EAG63293301
    4
    3 2
    1 ANTCOMMONG3G4
    100p
    L2011
    DNI
    L2012
    100p C2016
    +1V8_VREG_S3A_RF
    100p C2015
    +2V95_VREG_L16
    100nL2014
    ANT2000
    MBV6256160
    1FEEDMBV62561601
    ANT2001
    FEED
    100p C2023
    C2021
    6.8n
    L2010 2.2p
    RFFE2_DATARFFE2_CLK
    DRX_B17
    DRX_B8DRX_B5_B26
    DRX_B3DRX_B2_B25DRX_B1_B4
    '13.05.07:reva->revB
    Change:HighFre.revD->rev10(0702)
    13.04.16
    13.04.16
    TP1
    C2009
    1.8n
    L2005 0.5p
    C2007 1.2n
    C20111.2nL2003DNI
    FL2001SAFEB1G96FL2F00 EAM62130501
    5
    3
    2
    4
    1
    U_BPBP1
    G1
    BP2
    G2DRX_B2_IN_P
    DRX_B2_IN_N
    DRX_B2_B25
    B2 / B25
    TP2
    TP3
    U2001
    RF1633
    EAM62470001
    19
    5
    15
    14
    13
    7 6
    17
    4 3 2
    18
    9
    8
    16
    10
    11
    1
    12
    PCA
    GND1
    PCB
    GND6
    CTL1
    GND4GND5
    P3A
    GND2
    P2A
    P2B
    P3B
    P1BP1A
    VDD
    GND7
    CTL2
    GND3
    GND8
    C200 4
    100pC2003
    100p
    C2013
    100p
    C2008 100p
    C2012 100p
    +2V95_VREG_L16
    L2004 4.7n
    DRX_B2_IN_P
    DRX_B2_IN_N
    DRX_MB_SEL1
    DRX_MB_SEL0
    DRX_MB_IN_N
    DRX_MB_IN_P
    DRX_B3_IN_P
    DRX_B3_IN_N
    DRX_B1_B4_IN_P
    DRX_B1_B4_IN_N
    L L
    CTL2
    DRX_B2(P2) DRX_B3(P1) Path
    L H
    CTL1
    DRX_B1_B4(P3) LH
    TP4   
    						
    							3. TROUBLE SHOOTING
    - 107 -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
    Yes
    No
    No
    No
    No
    Check the U2004
    (WTR1605L-1)
    Check TP2 
    Signal Exist?Check the FL2003
    Check TP3 
    Signal Exist?
    Check TP4 
    Signal Exist?
    Check the FL2001
    (B2 DRx SAW Filter)
    Check the U2001
    (DRx Separator)   
    						
    							3. TROUBLE SHOOTING
    - 108 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only
    3.5.6.3 WCDMA B5/ LTE B5
    BOT
    TP1
    FL2003
    Separator
    TP2
    TP3
    TP4   
    						
    							3. TROUBLE SHOOTING
    - 109 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only
    FL2003
    EAM62690801RF1660
    21
    20
    15
    19
    10 18
    16
    8
    11
    7
    9
    6
    5
    12
    4
    3
    13
    2
    14
    1
    17
    VDD
    NC
    RF2
    RF10
    RF3
    RF9RF8
    RF4
    RF7RF6
    ANT
    GND1
    RF5
    GND2
    GND4
    VIOGND3
    SDATA
    RF1
    SCLKPGND
    L2013
    1.5p
    20549-001E
    SW2000 EAG63293301
    4
    3 2
    1 ANTCOMMONG3G4
    100p
    L2011
    DNI
    L2012
    100p C2016
    +1V8_VREG_S3A_RF
    100p C2015
    +2V95_VREG_L16
    100nL2014
    ANT2000
    MBV6256160
    1FEEDMBV62561601
    ANT2001
    FEED
    100p C2023
    C2021
    6.8n
    L2010 2.2p
    RFFE2_DATARFFE2_CLK
    DRX_B17
    DRX_B8DRX_B5_B26
    DRX_B3DRX_B2_B25DRX_B1_B4
    '13.05.07:reva->revB
    Change:HighFre.revD->rev10(0702)
    13.04.16
    13.04.16
    TP1
    3.3n
    C2026
    1.5p
    L2015
    C2044 3.9n
    L20171.2p100p
    C2038
    C2043
    100p
    100p
    C2046
    33p
    C2042
    33p
    C2025
    C2030 33p
    +2V95_VREG_L16
    C2041
    100p
    15n
    L2016
    C2045 33p
    FL2005
    SAFFB876MFL0F0A
    EAM62710201
    5
    3
    2
    4
    1
    U_BPBP1G1
    BP2
    G2
    EAM62493001 U2003
    XM0831SZ
    3
    9
    7
    5 6
    1
    4
    10
    8
    2
    GND1
    PORT1-
    PORT3-
    PORT2-
    PORT3+
    CTLPORT2+PORT1+
    VDDGND2EAM62790501 B9862
    FL20074
    5
    1
    3
    2
    G1
    O1ING2O2
    L2037
    47n
    DRX_B8
    DRX_LB1_SEL
    DRX_B5_B26
    DRX_LB1_IN_N
    DRX_LB1_IN_P
    H
    Path
    DRX_B5_B26(P3) DRX_B8(P2)
    L
    CTL
    VDD
    H
    H
    876.5MHz
    B8
    B5/B26/BC0/BC10
    TP2
    TP3
    TP4   
    						
    							3. TROUBLE SHOOTING
    - 110 -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
    Yes
    No
    No
    No
    No
    Check the U2004
    (WTR1605L-1)
    Check TP2 
    Signal Exist?Check the FL2003
    Check TP3 
    Signal Exist?
    Check TP4 
    Signal Exist?
    Check the FL2005
    (B5 DRx SAW Filter)
    Check the U2003
    (DRx Separator)   
    						
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