LG Nexus 5 Service Manual
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Page 101
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
Page 102
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
Page 103
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...
Page 104
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)
Page 105
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
Page 106
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...
Page 107
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)
Page 108
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
Page 109
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...
Page 110
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)