Page 1 Internal Use Only Service Manual LG-LS980 Date: August, 2013 / Issue 0.9...
Page 2: Table Of Contents
3.21 Charging Troubleshooting ............140 3.22 USB Trouble shooting ..............142 3.23 HDMI Troubleshooting ..............144 3.24 FM Radio Troubleshooting ............146 LGE Internal Use Only - 2 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 4 • When returning system boards or parts like EEPROM to the factory, use the protective package as described. LGE Internal Use Only - 4 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 5: Performance
GSM1800 RX : 1805~1880 MHz GSM1900 TX : 1850~1910 MHz GSM1900 RX : 1930~1990 MHz GPS : 1575.42 MHz LGE Internal Use Only - 5 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 6: Functions Of Major Semi-Conductors
MSM8974 Digital Baseband Processor 4G WTR1605L-1 4G MODEM PM9841 PMIC PM8841 PMIC H9CKNNNBPTMRLR Mobile SDRAM(LPDDR3) LBEH5DPYJC-620 BT/WLAN Tranceiver LGE Internal Use Only - 6 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 7: Hw Features
Voice Recording Speaker Phone mode Support Travel Adapter CDROM Stereo Headset Data Cable T-Flash 32GB eMMC embeded (External Memory) LGE Internal Use Only - 7 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 8: Sw Features
There is no limitation on the Group number of items. It depends on available memory amount. LGE Internal Use Only - 8 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 9 SMS 5 concatenated Cell Broadcast Download Game Calendar Memo World Clock Unit Convert Stop Watch It is included on Alarm/Clock LGE Internal Use Only - 9 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 10 Class 10 EDGE Class 10 Hold / Retrieve Conference Call Max. 3 DTMF Memo pad SyncML Hangout Email LGE Internal Use Only - 10 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 11: Battery Bar
53% -> 52% Low battery pop-up 15% , 5%, 1% Bar 10 -> Bar 9 48% -> 47% LGE Internal Use Only - 11 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 12: Lg980 Figures
2. PERFORMANCE LS980 Product SPEC 2.7 LG980 Figures 2.7 Figures LGE Internal Use Only - 12 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 13: Trouble Shooting
U1008 B41 Tx SAW U1007 B41 U1001 B1,B2, U1002 B1,B2, B5 GSM B5 GSM_ Quard HCPA Quard FEMid LGE Internal Use Only - 13 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 14 10. FL100 : 1BC1,L25 B2 Prx Separator 21. U2011 : DC-DC Convertor 11. U1006 : B41 Prx SAW LGE Internal Use Only - 14 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 15 C202 CN100 VA203 ZD205 CN306 FB207 ANT200 L7000 C7004 C7006 MIC200 TP7000 TP7001 FPCB U7000 R13012 LGE Internal Use Only - 15 - Copyright © 2013 LG Electronics. Inc. All right reserved. R3001 Only for training and service purposes ZD13004...
Page 16 BC0,BC1,BC10,B25,B26 Quadplexer U1010 B41 TRx Separator U1011 DC-DC Convertor U2000 B41 DRx SAW U2001 GPS LNA U2002 RF Transceiver LGE Internal Use Only - 16 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 17: Signal Path
1. WCDMA B1 TX PATH 2. WCDMA B5 TX PATH 3. WCDMA B2 TX PATH 4. COMMON TX/RX PATH LGE Internal Use Only - 17 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 18 1. WCDMA B1 RX PATH 2. WCDMA B5 RX PATH 3. WCDMA B2 RX PATH 4. COMMON TX/RX PATH LGE Internal Use Only - 18 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 19 2. DCS1800/PCS1900 TX PATH 3. GSM900 RX PATH 4. GSM850 RX PATH 5. DCS1800/PCS1900 RX PATH 6. COMMON RX/TX PATH LGE Internal Use Only - 19 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 20: Checking Xo Block
The output frequency (19.2MHz) of XO (X6000) is used as the eference one of WTR1605L(U2002) and PM8941(U6001) internal VCO. U2002 X6000 LGE Internal Use Only - 20 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 21 XTAL_32K_OUT 0.1u DNC4 DNC5 GP_DATA2 GP_DATA1 WTR0_GPDATA1 GP_DATA0 WTR0_GPDATA0 XO_IN C2076 100p XO_OUT_A0 VTUNE_PRX R2008 4.75K RBIAS DNC3 LGE Internal Use Only - 21 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 22 Flow chart for the troubleshooting Check TP1 OKCheck the X6000 19.2MHz Signal Check TP2 X6000Check the U6001 19.2MHz Signal XO OK LGE Internal Use Only - 22 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 23: Checking U1000
C1001 1n COMMON U1000 BC0,BC1,BC10 RF1602 L1001 L1002 B25,B26 100n C1095 C1096 C1097 100p 100p QuadB1,B2,B5 C1109 1.5n L1061 LGE Internal Use Only - 23 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 24 TP1>2.7V Check TP3 Check the U1000 TP3 >High Check TP2 Global Path OPEN TP3 >High CDMA Path OPEN LGE Internal Use Only - 24 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 25: Checking Wcdma Block
Refer to 3.3 BoardCheck the U1000 Refer to 3.4 Check T/RX Level Re-Download & Cal Change the Board LGE Internal Use Only - 25 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 26 Refer to 3.3 3.5.2 Checking the U1000 Refer to 3.4 3.5.3 Checking RF TX Level WCDMA B1 U1000 LGE Internal Use Only - 26 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 27 GND11 RFIN_GSM_HB RFOUT_GSM_LB RFIN_GSM_LB L1000 L1003 L1015 G850/G900 C1010 3.3n TX_ANT_GSMLB C1024 C1025 TX_OUT_GSMLB L1006 L1005 1.2p L1017 LGE Internal Use Only - 27 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 28 Check TP3 Over -3dBm? Check U1001(PAM) Check the U2002 (WTR1605L) First, Check the conducted Max. Power using the RF Connector LGE Internal Use Only - 28 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 30 GND11 RFIN_GSM_HB RFOUT_GSM_LB RFIN_GSM_LB L1000 L1003 L1015 G850/G900 C1010 3.3n TX_ANT_GSMLB C1024 C1025 TX_OUT_GSMLB L1006 L1005 1.2p L1017 LGE Internal Use Only - 30 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 31 RF TX Level is OK Check TP2 Over 21dBm? Check the U1002(FEMid) Check TP3 Over -3dBm? Check U1001(PAM) Check the U2002 (WTR1605L) LGE Internal Use Only - 31 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 33 GND11 RFIN_GSM_HB RFOUT_GSM_LB RFIN_GSM_LB L1000 L1003 L1015 G850/G900 C1010 3.3n TX_ANT_GSMLB C1024 C1025 TX_OUT_GSMLB L1006 L1005 1.2p L1017 LGE Internal Use Only - 33 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 34 RF TX Level is OK Check TP2 Over 21dBm? Check the U1002(FEMid) Check TP3 Over -3dBm? Check U1001(PAM) Check the U2002 (WTR1605L) LGE Internal Use Only - 34 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 36 C1026 C1035 2.2n L1019 PRX_B5_G850_INM C1027 PRX_B2_INM L1021 PRX_B5_G850_INP C1033 2.2n C1031 PRX_B1_INP 2.2n L1022 PRX_B1_INM C1036 2.2n LGE Internal Use Only - 36 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 37 Check TP1 Signal Exist? RF TX Level is OK Check TP2 Signal Exist? Check the U1002(FEMid) Check the U2002 (WTR1605L) LGE Internal Use Only - 37 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 39 PRX_BC1_B2_B25_INP GND2 PORT1- PRX_B25_BC1_INM PORT2- PORT1+ PRX_B25_BC1_INP PORT2+ L1020 5.6n XMSSJE3G0PA-003TMP C1029 PRX_BC1_B2_B25_INM PRX_SW_SEL0 C1038 C1037 100p 100p LGE Internal Use Only - 39 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 40 Check TP2 Signal Exist? Check the U1002(FEMid) Check TP3 Signal Exist? Check the FL1001 Check the U2002 (WTR1605L) LGE Internal Use Only - 40 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 42 DRX_MB_INP DRX_MB_B25_BC1_INP PRX_SW_SEL1 DRX_MB_INM DRX_MB_B25_BC1_INM DRX_LB2_INP DRX_LB2_INM DRX_LB_BC0_BC10_B26_INP C2074 C2075 DRX_LB1_INP 100p 100p DRX_LB1_INM DRX_LB_BC0_BC10_B26_INM Path PRX_B26_BC0_BC10 PRX_B5_G850 LGE Internal Use Only - 42 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 43 Check TP2 Signal Exist? Check the U1002(FEMid) Check TP3 Signal Exist? Check the FL2010 Check the U2002 (WTR1605L) LGE Internal Use Only - 43 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 44: Checking Gsm Block
Refer to 3.3 BoardCheck the U1000 Refer to 3.4 Check T/RX Level Re-Download & Cal Change the Board LGE Internal Use Only - 44 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 45 Refer to 3.3 3.6.2 Checking U1000 Refer to 3.4 3.6.3 Checking RF GSM850 & GSM900 TX level U1000 LGE Internal Use Only - 45 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 46 RF TX Level is OK Check TP2 Over 31dBm? Check the U1002(FEMid) Check TP3 Over 6dBm? Check U1001(PAM) Check the U2002 (WTR1605L) LGE Internal Use Only - 46 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 48 RF TX Level is OK Check TP2 Over 28dBm? Check the U1002(FEMid) Check TP3 Over 6dBm? Check U1001(PAM) Check the U2002 (WTR1605L) LGE Internal Use Only - 48 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 49 3. TROUBLE SHOOTING 3.6.5 Checking RF DCS, PCS & GSM900 Rx Block U2002 DCS &PCS GSM900 LGE Internal Use Only - 49 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 50 Check TP1 Signal Exist? RF TX Level is OK Check TP2 Signal Exist? Check the U1002(FEMid) Check the U2002 (WTR1605L) LGE Internal Use Only - 50 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 51 3. TROUBLE SHOOTING 3.6.6 Checking RF GSM850 Rx Block U2002 FL2010 LGE Internal Use Only - 51 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 52 DRX_MB_INP DRX_MB_B25_BC1_INP PRX_SW_SEL1 DRX_MB_B25_BC1_INM DRX_MB_INM DRX_LB2_INP DRX_LB2_INM DRX_LB_BC0_BC10_B26_INP C2074 C2075 DRX_LB1_INP 100p 100p DRX_LB1_INM DRX_LB_BC0_BC10_B26_INM Path PRX_B26_BC0_BC10 PRX_B5_G850 LGE Internal Use Only - 52 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 53 Check TP2 Signal Exist? Check the U1002(FEMid) Check TP3 Signal Exist? Check the FL2010 Check the U2002 (WTR1605L) LGE Internal Use Only - 53 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 54: Signal Path (Cdma&Lte)
TP8002 R1028 CN8000 U1011 ZD8000 CN3002 SW1001 C1106 C1066 R8014 D8002 C8001 R8019 SC13030 R8071 R8016 R8012 R8011 LGE Internal Use Only - 54 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 55 1. Check DC Power Supply circuit 2. Check XO 3. Check RF Signal path Re download S/W & Cal LGE Internal Use Only - 55 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 56 SW1001 MS-156C C1001 1n COMMON U1000 RF1602 L1001 L1002 100n C1095 C1096 C1097 100p 100p C1109 1.5n L1061 LGE Internal Use Only - 56 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 57 100p RFOUT RFIN VCC2 VCC1 LFL18829MTCRD627 C1058 PGND C1055 ACPM-5805-TR2 C1062 C1063 C1064 C1065 330p 2.2u 100p 100p LGE Internal Use Only - 57 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 58 Check PA_R1 : 2.6V Check TP3(C1054) at U1004 (PA_ON) Check WTR1605L OK Check OVER -3dBm? Change the board LGE Internal Use Only - 58 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 59 SW1001 MS-156C C1001 1n COMMON U1000 RF1602 L1001 L1002 100n C1095 C1096 C1097 100p 100p C1109 1.5n L1061 LGE Internal Use Only - 59 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 60 TX_OUT_B25_BC1 RFOUT RFIN 3.3n 100p VCC2 VCC1 PGND C1042 SKY77762 C1046 C1047 C1048 C1049 330p 2.2u 100p 100p LGE Internal Use Only - 60 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 61 Check PA_R1 : 2.6V Check TP3(C1054) at U1003 (PA_ON) Check WTR1605L OK Check OVER -3dBm? Change the board LGE Internal Use Only - 61 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 62 3. TROUBLE SHOOTING 3.7.3 Checking RF TX Level(LTE B41) U1010 RF/TX SPDT SW1003 RF Switch U1007 LGE Internal Use Only - 62 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 63 2.2u 100p 100p CPL_B26 CPL_PDET L2033 5.6n C2035 C2036 TX_OUT_B41 100p 100p C2038 L2034 3.3n C2085 L2051 3.3n LGE Internal Use Only - 63 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 64 Check PA_R1 : 2.6V Check TP3(L2033) at U1007 (PA_ON) Check WTR1605L OK Check OVER -3dBm? Change the board LGE Internal Use Only - 64 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 65 SW1001 MS-156C C1001 1n COMMON U1000 RF1602 L1001 L1002 100n C1095 C1096 C1097 100p 100p C1109 1.5n L1061 LGE Internal Use Only - 65 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 66 100p PRX_B25_BC1_INM L1028 GND9 BAND_26_RX 3.9n GND8 GND1 U1009 ACFM-7526-TR1 GND2 GND7 GND3 GND6 BAND_25_TX L1030 L1042 TX_BC0_B10_B26 LGE Internal Use Only - 66 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 67 Check PRX SW_SEL : 1.6V WTR1605L Check if there is any major difference between TP3 Signal Exist? Replace Main board LGE Internal Use Only - 67 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 68 3. TROUBLE SHOOTING 3.7.5 Checking RF DRX Level(CDMA BC0,BC10& LTE B26) LGE Internal Use Only - 68 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 69 100n C2014 100p C2031 L2032 100p DRX_LB_BC0_BC10_B26_INP FL2005 SAFFB876MFL0F0A C2029 C2030 L2030 U_BP L2029 C2028 100p L2031 DRX_LB_BC0_BC10_B26_INM LGE Internal Use Only - 69 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 70 Check DRX SW_800 : 1.6V Check if there is any major difference between WTR1605L TP3 Signal Exist? Replace Main board LGE Internal Use Only - 70 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 71 SW1001 MS-156C C1001 1n COMMON U1000 RF1602 L1001 L1002 100n C1095 C1096 C1097 100p 100p C1109 1.5n L1061 LGE Internal Use Only - 71 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 72 ACFM-7526-TR1 GND2 2.2n VCC2 GND7 GND3 PGND GND6 BAND_25_TX C1115 L1030 L1042 SKY77762 C1044 C1043 0.3p 2.2u TX_BC0_B10_B26 LGE Internal Use Only - 72 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 73 Check PRX SW_SEL : 1.6V Check if there is any major difference between WTR1605L TP3 Signal Exist? Replace Main board LGE Internal Use Only - 73 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 74 3. TROUBLE SHOOTING 3.7.7 Checking RF DRX Level(CDMA BC1 & LTE B25) LGE Internal Use Only - 74 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 75 6.8n C2079 Unbalance_Port_Hch L2041 L2044 L2045 DRX_MB_B25_BC1_INM GND1 GND4 100p GND2 GND5 GND3 GND6 SAWFD1G96BH0F0A C2013 L2046 L2047 LGE Internal Use Only - 75 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 76 Check DRX SW, DRX SW_2100 : 1.6V Check if there is any major difference between Check WTR1605L FL2003 TP3 Signal Exist? Replace Main board LGE Internal Use Only - 76 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 77 3.7.8 Checking RF PRX Level(LTE 41) SW1003 MS-156C C1110 C1079 COMMON U1010 100p RF1602 L1046 L1045 L1060 100n C1073 C1084 C1112 100p 100p LGE Internal Use Only - 77 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 78 Check TP2 (C1072) Signal Exist? Check U1006 SAW FILTE Check TP3(L1041) Signal Exist? Check WTR1605L Replace Main board LGE Internal Use Only - 78 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 79 L2025 C2020 R2000 C2022 ANT2004 U2000 FL2004 C2008 C2006 L2050 ANT2005 C2082 C2026 C9033 SW2002 LGE Internal Use Only - 79 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes C9026 C9005 FL9003...
Page 80 FL2001 C2084 C2006 100p L2004 L2005 TX/RX UNBAL BALAN1 2.7n BALAN2 L2010 C2009 C2008 1.2n HHM1918A2 L2007 DRX_HB_B41_INM LGE Internal Use Only - 80 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 81 Check TP2 (C2084) Signal Exist? Check FL2001 Balan FILTE Check TP3(L2004) Signal Exist? Check WTR1605L Replace Main board LGE Internal Use Only - 81 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 82: Gps/Wifi/Bt Module
SAW FILTER SC13039 U2001 SW2002 RF SWITCH C7007 FL2004 SEPARATOR C7008 ANT12004/5 ANTENNA CONTACT L7000 C7004 C7006 LGE Internal Use Only - 82 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes TP7000 TP7001...
Page 83 FL14002 ANT1401 U15012 ANT1400 Reference Description ANT14000 Antenna Contact(GND) ANT14001 Antenna Contact(Feeding) FL14002 2.4GHz BPF U15012 WiFi/BT chip LGE Internal Use Only - 83 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 84: Gps/Wifi/Bt Signal Path
GPS Signal C9026 C9005 FL900 3.9.2 WIFI,BT Signal Path SC13039 C7007 C7008 L7000 C7004 C7006 WIFI,BT Signal TP7000 TP7001 LGE Internal Use Only - 84 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 85 Mobile TP3 and TP4. Replace U2001 Is insertion loss on GPS Band under 3dB? GPS will work properly LGE Internal Use Only - 85 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 86 C9033 SW2002 C9026 C9005 FL900 SC13039 C7007 C7008 L7000 C7004 C7006 TP7000 TP7001 U7000 R13012 LGE Internal Use Only - 86 - Copyright © 2013 LG Electronics. Inc. All right reserved. R3001 Only for training and service purposes ZD13004 ZD13003...
Page 87 C2018 C2019 100p 8.2p GNSS_INP C2020 C2021 L2025 R2000 2.7n +3V0_VREG_L16 R2001 C2023 C2022 GNSS_ELNA_EN 100n C2024 6.8p LGE Internal Use Only - 87 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 88 Check the components around antenna L14095, C14049 Replace FL14002 for 2.4GHz Check FL14002 Replace U15012 for 5GHz Check U15012 MAIN B’D Change LGE Internal Use Only - 88 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 89 This pin can be programmed by software to be a GPIO or a TP14019 WLAN_HOST_WAKEUP WLAN_HOST_WAKE output indicating that host wake-up should be performed. LGE Internal Use Only - 89 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 90 TP14007 TP14006 FL14002 TP14011 TP14019 TP14016 U15012 TP14017 TP14009 TP14010 TP14015 TP14008 TP14014 TP14013 TP14012 ANT1401 ANT1400 Bottom LGE Internal Use Only - 90 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 91 GND7 GND9 TP14010 TP14015 C14047 +1V8_VREG_S3A 4.7u TP14015 BT_PCM_SYNC/FM_I2S_WS TP14013 TP14013 BT_PCM_DIN/FM_I2S_SD0 TP14012 TP14012 BT_PCM_CLK/FM_I2S_CLK TP14014 BT_PCM_DOUT/FM_I2S_SD1 TP14014 LGE Internal Use Only - 91 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 92: Audio Trouble
Check the touch FPCB Is Speaker Sound OK? Change the WCD9320(U10000) Is Speaker Sound OK? Change The main PCB LGE Internal Use Only - 92 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 94 ANT203 MBV62521801 L200 SPK_P FB205 FEED L201 SPK_N FB206 FEED L200,L201 ANT204 MBV62521801 VA200 VA201 LGE Internal Use Only LGE Internal Use Only - 94 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 95: Receiver Troubleshooting
Sound OK? Check Main PCB inductor(L10002,L10003) receiver Sound OK? Change the WCD9320(U10000) receiver Sound OK? Change The main PCB LGE Internal Use Only - 95 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 96 3. TROUBLE SHOOTING L10003 C-Clip ANT10001 L10002 C-Clip ANT10000 WCD9320 (U10000) Bottom LGE Internal Use Only - 96 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 97 You must check the voice recording test first. After voice recording, if you could hear the recorded sou nor MIC fault And receiver path or parts is something wrong. LGE Internal Use Only - 97 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 98 Check the touch FPCB Is voice signal ok? Change the WCD9320(U10000) Is voice signal ok? Change The main PCB LGE Internal Use Only - 98 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 99 3. TROUBLE SHOOTING Touch FPCB Rubber Rubber Main MIC Mesh Filter WCD9320 (U10000) Bottom LGE Internal Use Only - 99 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 100 3. TROUBLE SHOOTING Main MIC Main MIC MIC200 FB204 MAIN_MIC_P 1800 FB203 MAIN_MIC_BIAS 1800 SPW4430HR5H R212 MAIN_MIC_N C207 LGE Internal Use Only - 100 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 101 Check the sub MIC. Is voice signal ok? Change the WCD9320(U10000) receiver Sound OK? Change The main PCB LGE Internal Use Only - 101 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 102 Mesh Filter Main Rubber Battery Cover Assembly Front Assembly MIC10003 FB10006 1800 SUB_MIC3_P SUB_MIC3_N FB10006 SUB_MIC23_BIAS VA10011, VA10009,VA10010 LGE Internal Use Only - 102 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 103 3. TROUBLE SHOOTING Sub MIC (MIC10003) VA10010 FB10006 VA10009 VA10011 WCD9320 (U10000) Bottom LGE Internal Use Only - 103 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 104 Change The main PCB Check the left signal(HPH_L) and detection line(EAR_SENSE_JACK) are shorted when headset inserted. See PCB Contact terminal also. LGE Internal Use Only - 104 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 105 Ear Detect(Test Point) C132 D104 D105 SW202 C204 C213 C202 CN100 VA203 ZD205 CN306 FB207 ANT200 MIC200 WCD9320 (U10000) LGE Internal Use Only - 105 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 106 ? Check the touch FPCB Mic is OK? Change the WCD9320(U10000) receiver Sound OK? Change The main PCB LGE Internal Use Only - 106 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 107 EARJACK_DETECT M4-DETECT FB200 HPH_L M4-L 1000 EJ_MIC M5-MIC 1800 FB207 CN306 KJA-PH-4-0176 EAG63070601 L202 100n Mic Bias(Test Point) LGE Internal Use Only - 107 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 108: Camera
TP2, TP3: 1.8V TP4 :2.7V TP5,TP6 :2.8V TP7 :24MHz Change the Camera module Camera is OK? Change The main board LGE Internal Use Only - 108 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 109 CAM0_I2C_SCL +1V05_VREG_L3 +1V8_13M_VDDIO MAIN_CAM_RESET_N ICMEF104P101MFR MAIN_CAM_MCLK MIPI_CSI0_LANE3_P MIPI_CSI0_LANE3_M MIPI_CSI0_LANE2_P MIPI_CSI0_LANE2_M +2V7_13M_ANA EAM62630501 FL9002 ENBY0040701 GB042-30S-H10-E3000 ZD9001 C9005 4.7u LGE Internal Use Only - 109 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 111 TP2 : 1.8V TP3 :2.7V TP4 :24MHz Change the Camera module Camera is OK? Change The main board LGE Internal Use Only - 111 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 112 GB042-20S-H10-E3000 +1V8_VREG_LVS2 +1V2_VT_LDO +2V7_VREG_L18 CN9000 CAM1_I2C_SDA CAM1_I2C_SCL VT_CAM_RESET_N ENBY0039601 GB042-20S-H10-E3000 C9007 C9008 C9009 2.2u 2.2u EAH61892901 RCLAMP7522T D9002 LGE Internal Use Only - 112 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 114: Main Lcd Trouble
TP1 : 1.8V TP2 : 5.5V TP3 : -5.5V Change the LCD module LCD Doplay OK? Change The main board LGE Internal Use Only - 114 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 116 COMMON_I2C_SCL COMMON_I2C_SDA NFC_IRQ NFC_PMIC_XO_EN NFC_VEN NFC_MODE +5V5_DDVDH -5V5_DDVDL LCD_MAKER_ID R13016 MIPI_DSI0_LANE3_P MIPI_DSI0_LANE3_M FL13002 FL13000 MIPI_DSI0_LANE2_P MIPI_DSI0_LANE2_M MIPI_DSI0_CLK_P MIPI_DSI0_CLK_M LGE Internal Use Only - 116 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 118: Touch Trouble
TP2 : 1.8V TP3 : 1.8V TP4 : 1.8V Change the Touch FPCB Touch operate OK? Change The main board LGE Internal Use Only - 118 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 119 3. TROUBLE SHOOTING CN304 CN302 CN303 LGE Internal Use Only - 119 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only LGE Internal Use Only...
Page 120 +1V8_VREG_LVS3 CN13001 SPK_N SPK_P TOUCH_INT_N TOUCH_RESET KEY_LED_SNK2 +1V8_VREG_LVS3 +3V3_VREG_L22 USB_ID +3V3_VREG_L23 KEY_LED_SNK1 FL13004 VBUS_USB_IN_PM D13009 R13005 C13009 D13008 LGE Internal Use Only - 120 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 122: Vibrator Troubleshooting
Is the circuit powered? trouble shooting Vibration OK? Check TP1,2 Change The Vibrator Change The main board Vibrator works LGE Internal Use Only - 122 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 123 LIN_MOTOR_PWM R11007 TYPE SM100_OPTION_OCT LIN_MOTOR_M R11011 SM100_OPTION_OCT C11024 R11003 3.9n LIN_MOTOR_M VB11000 L11000 LIN_MOTOR_P L11001 LIN_MOTOR_M C11022 C11023 LGE Internal Use Only - 123 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 125: Gyro Sensor Troubleshooting
Change the Gyro Sensor IC(U11001) Is the function normal operation? Change the main board Is the function normal operation? LGE Internal Use Only - 125 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 126 0.1u 2423 SENSOR1_I2C_SCL RES4 SCL_A/G VDD_IO2 RES3 U11001 SENSOR1_I2C_SDA RES2 SDA_A/G SDO_G RES1 TP11005 GYRO_DEN_MPU U11001 Gyro sensor LGE Internal Use Only - 126 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 127: Accelerometer Sensor Troubleshooting
Change the Accelerometer Sensor IC (U11001) Is the function normal operation? Change the main board Is the function normal operation? LGE Internal Use Only - 127 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 128 0.1u 2423 SENSOR1_I2C_SCL RES4 SCL_A/G VDD_IO2 RES3 U11001 SENSOR1_I2C_SDA RES2 SDA_A/G SDO_G RES1 TP11005 GYRO_DEN_MPU U11001 Accelerometer Sensor LGE Internal Use Only - 128 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 129: Compass Sensor Troubleshooting
Change the Compass Sensor IC (U11008) Is the function normal operation? Change the main board Is the function normal operation? LGE Internal Use Only - 129 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 130 0.1u +1V8_VREG_LVS1 : 0001 111 R/W CAD0 CAD1 U11008 RSTN SENSOR2_I2C_SDA C11017 SENSOR2_I2C_SCL 0.1u U11008 Compass Sensor Bottom LGE Internal Use Only - 130 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 131: Proximity Sensor On/Off Trouble
Check TP1,TP2,TP3,TP4 Output work well? Changethe light Sensor IC(U100) Change the main board Is the function normal operation? LGE Internal Use Only - 131 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 132 R13015 +3V0_VREG_L17 IR_LED R13017 +1V8_VREG_S3A SENSOR2_I2C_SCL +3V0_VREG_L21 R13018 SENSOR2_I2C_SDA GREEN_LED_DRV R13004 RED_LED_DRV +1V8_VREG_LVS1 PROXIMITY_INT BLUE_LED_DRV VA13004 VA13005 VA13006 LGE Internal Use Only - 132 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 134: Light Sensor On/Off Trouble
Check TP1 Output work well? Changethe light Sensor IC(U100) Change the main board Is the function normal operation? LGE Internal Use Only - 134 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 135 R13015 +3V0_VREG_L17 IR_LED R13017 +1V8_VREG_S3A SENSOR2_I2C_SCL +3V0_VREG_L21 R13018 SENSOR2_I2C_SDA GREEN_LED_DRV R13004 RED_LED_DRV +1V8_VREG_LVS1 PROXIMITY_INT BLUE_LED_DRV VA13004 VA13005 VA13006 LGE Internal Use Only - 135 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 137: Power On Troubleshooting
8. Once PON_RESET_N is deasserted, MSM comes out of reset. and PBL will assert PS_HOLD. PM8941 is on. 9. After FLCB, secondary poweron sequence takes place. LGE Internal Use Only - 137 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 138 PON_Out pin of PM8941 is Check PM8941(U6001) High?(1.8V) PS_HOLD pin of MSM8974 is Check PM8974(U3000) High? (1.8V) Check SDRAM(U5000) and eMMC(U5001) LGE Internal Use Only - 138 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 139 3. TROUBLE SHOOTING U7000 U5001 CN13001 U6000 R8023 Bottom X6000 U3000,U5000 U6001 LGE Internal Use Only - 139 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 140: Charging Troubleshooting
VOUT of U12003 is about 5V? Check U12003 Check U8000 CHGOUT of U8000 is about Vbat +02V? Check battery LGE Internal Use Only - 140 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 141 3. TROUBLE SHOOTING U7000 U5001 CN13001 U12002 U6000 R8023 FL13004 Bottom X6000 U3000,U5000 U6001 LGE Internal Use Only - 141 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 142: Usb Trouble Shooting
USB signal? USB_DB, USB_DN of U12001 Check U12001 is USB signal? Check Main board or change U3000 LGE Internal Use Only - 142 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 143 3. TROUBLE SHOOTING L7001(TP3) U7000 U5001 CN13001 U12002 U6000 R8023 FL13004 Bottom C4128(TP1) C4122(TP2) FL12000 U12001 X6000 U3000,U5000 U6001 U8000 LGE Internal Use Only - 143 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 144: Hdmi Troubleshooting
HDMI signal? HDMI DATA pin of U12001 Check U12001 is HDMI signal? Check Main board or change U3000 LGE Internal Use Only - 144 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 145 CN13001 U12002 U6000 R8023 FL13004 Bottom C12001 C12009 FL12000 C12002 C12000 U12001 X6000 U3000,U5000 C12012 U6001 C12007 U8000 LGE Internal Use Only - 145 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 146: Fm Radio Troubleshooting
3.24 FM Radio Troubleshooting 4.23.1 FM Radio Test Point CN306 4.23.2 Circuit Diaggeram U15012 LGE Internal Use Only - 146 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 147 HPH_R M1-R 1000 EARJACK_DETECT M4-DETECT FB200 HPH_L M4-L 1000 M5-MIC EJ_MIC 1800 FB207 CN306 KJA-PH-4-0176 EAG63070601 L202 100n LGE Internal Use Only - 147 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 148 TP2(C14045) Check Earjack condition A condition is good? Replace CN306 CN306 FM Radio will work properly LGE Internal Use Only - 148 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 149: Download
TOOL INFORMATION TOOL VERSION DLL NAME USB DRIVER Please Check the Version to “B2B” Name Part No. D/L Cable LGE Internal Use Only - 149 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 161 4. DOWNLOAD LGLS980 LGLS980 LGLS980AT-00-V10a-SSV-XXX-JUN-03-2013+0.tot LGLS980 LGE Internal Use Only - 161 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 162 4. DOWNLOAD LGLS980 LGLS980 LGLS980AT-00-V10a-SSV-XXX-JUN-03-2013+0.tot LGLS980 LGLS980 LGE Internal Use Only - 162 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 166: Block Diagram
Receiver HDMI Slimport Audio Codec Ear-Mic (w/ FM ANT.) SLIMBUS, I2S (ANX7808) (WCD9320) Fuel USB2.0_D+/- Speaker Gauge Slimport LGE Internal Use Only - 166 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 167 CDMA BC0,1,10 MRD LTE B25, 26 MIMO (RX ONLY) LTE B41 MIMO XO_OUT PMIC (RX ONLY) PM8941 19.2M CLK LGE Internal Use Only - 167 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 168 VOUT_5VS_HDMI +5V0_OTG_OVP VDD_S2 VDD_S3 USB_OTG_IN BATT_Load SW +VPWR External VCHG VDD_FLASH VPH_PWR +VPWR Charger VBAT VDD_GPLED/RGB BATTERY VBAT LGE Internal Use Only - 168 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 169 SDC1_DATA_0~7 SDC1 SDC1_CMD eMMC 4.5 SDC1_CLK RESOUT_N RESOUT_N SDC3_DATA_0~2 WL_CMD_DATA0~2 SDC3_DATA_3 BT_SSBI Connectivity SDC3 SDC3_CMD WL_CMD_SET SDC3_CLK WL_CMD_CLK LGE Internal Use Only - 169 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 170 HS1_DP GPIO_28 INTP TX0N HS1_DM GPIO_68 RESETN GPIO_83 CSDA XTAl_OUT CSCL GPIO_84 27MHz USB_HS1_DP USB_DP USB_HS1_DM USB_DN XTAl_IN LGE Internal Use Only - 170 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 171 LANE0_P / LANE0_M MIPI_CSI2 LN1_P / LN1_N LN2_P / LN2_N LN3_P / LN3_N GPIO_17 MCLK GPIO_18 RESET_N GPIO_21 GPIO_22 LGE Internal Use Only - 171 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 172 GPIO_73 INT_G GPIO_66 DEN_G Digital Compass AK8963C GPIO_10 GPIO_11 GPIO_67 DRDY Proximity & Ambient Light Sensor APDS-9900 GPIO_61 LGE Internal Use Only - 172 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 173 MBHC_HSDET MIC_BIAS_4 EJ_MIC MPP_06 Switch EAR_MIC_JACK PM8941 HPH_REF +1V8_VREG_S3A HPH_REF MIC5_INP/M VREG_S3 EJ_MIC Comparator MIC2_INP/M VREG_L10 MIC_BIAS2 +2V8_VREG_L10 LGE Internal Use Only - 173 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 174 +1V8_VREG_S3A VREG_S3 PVDD NFC_MODE GPIO_95 TEST1 GPIO4 TEST2 TEST3 TEST4 NFC_VEN GPIO_94 TEST10 GPIO0 GPIO1 I/O1 GPIO6 IFSEL1 LGE Internal Use Only - 174 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 175 VBAT_FEM1 BT_UART_RXD GPIO53 +VPWR VBAT BT_PCM_SYNC AUDIO_PCM_SYNC PM8941 BT/FM BT_PCM_OUT AUDIO_PCM_OUT BT_PCM_CLK SWITCH AUDIO_PCM_CLK BT_PCM_IN AUDIO_PCM_IN VDD_MSM_IO VDD_L2_LVS1_2_3 LGE Internal Use Only - 175 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 176: Circuit Diagram
Near U1004 100K 100K CPL_PDET Path CTRL (B25 PAM) C1073 C1084 C1112 (MMPA) RF2 (B41_RX) 100p 100p RF1 (B41_TX) - 176 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 177 GNSS_INP RX_ON RX_ON0 GNSS_INM GNSS_INM RF_ON RF_ON0 PRX_B5_G850 DNC1 GND41 GND42 GND46 GND43 GND47 GND44 GND48 GND45 DNC2 - 177 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 178 EBI0_CAL TP3000 BF46 AN49 RFFE2_DATA GPIO_143/GRFC_28/RFFE2_DATA/PA_ON6 EBI1_CAL R3043 (1%) UART_TX BJ31 EBI0_ZQ R3044 (1%) BE49 R3045 (1%) EBI1_ZQ - 178 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 179 +1V8_VREG_L12 +1V8_VREG_L12 REV_B +1V8_VREG_L12 +1V8_VREG_S3A +0V9_VREG_S4B C4085 C4086 C4087 C4088 C4089 C4090 C4074 C4075 C4076 C4077 +0V9_VREG_S2B C4115 - 179 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 180 NC27 NC120 GND_208 GND_138 NC28 NC121 NC29 NC122 NC30 NC123 LPDDR3_POP 16Gbit 800MHz 2Channel, 8Gbx2, x32 U5000 Fiducial1 - 180 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 181 VBACKUP R6059 100K PCB_REVISION_ADC 100K 100K 0.771 100K R6060 100K 0.900 100K 130K 1.017 100K 1.800 100K 0.000 - 181 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 182 GND_S7_2 +VPWR VDD_S8_1 VREG_S8 0.9V, 3A, 6.4MHz L7007 240n VDD_S8_2 VSW_S8_1 C7015 2.2u GND_S8_1 VSW_S8_2 GND_S8_2 VSW_S8_3 GND|REMOTE_GND_SNS - 182 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 183: Battery Connector
SW_1 CHGOUT_1 PGND_5 CHGOUT_2 PGND_4 C8047 +VPWR C8046 S1 S2 CHG_FETDRV Q8001 D1 D2 D3 D4 D5 VBAT - 183 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 184 C9016 C9018 U9001 WLED_C1 C9019 ILED1 INTN LM3630 ILED2 WLED_C2 LCD_BL_EN HWEN EAN62626401 LCD_PWM I2C address : 0x38 - 184 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 185 HPH_R_OUT MIC10003 R10021 UART_RX FB10006 1800 R10038 HPH_AUD_SW SUB_MIC3_P EJ_MIC SUB_MIC3_N +1V8_VREG_S3A C10026 SUB_MIC23_BIAS 100p EAN62651701 C10024 0.1u - 185 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 186 P1.5/TDI TP11002 U11008 C11008 P0.3/SDA/SSEL/INT3 P1.6/TMS TP11003 100n 100n P1.7/TDO RSTN P0.4/TBA0/INT4 P0.5/TBB0/INT5 D11001 SENSOR2_I2C_SDA C11017 0.1u SENSOR2_I2C_SCL - 186 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 187 USB_HS1_DP_SLIM1 TP12004 USB_HS1_DM_SLIM1 INTP SLIMPORT_INT_N R12008 SLIMPORT_IOVCC_EN SLIMPORT_RESET_N RESETN ICMEF112P350MFR CHIP_PD_HV ANX_P_DWN_CTL COMMON_I2C_SCL CSCL CSDA AVDD33_IN1 AVDD33 COMMON_I2C_SDA - 187 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 188 SC13026 SC13027 SC13028 SC13029 SC13030 SC13032 VA13004 VA13005 VA13006 CN3002 OJ2002 OJ2001 OJ2000 OJ2003 SC13039 SC13050 SC13051 SC13053 - 188 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 189 R14002 VREG_BOOST_BYPASS VBAT_FEM1 SDIO_CLK WLAN_CLK GND7 GND9 C14047 +1V8_VREG_S3A 4.7u BT_PCM_SYNC/FM_I2S_WS TP14015 BT_PCM_DIN/FM_I2S_SD0 TP14013 BT_PCM_CLK/FM_I2S_CLK TP14012 BT_PCM_DOUT/FM_I2S_SD1 TP14014 - 189 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 190: Nfc Antenna
USB3_DE2 R154 USB3_EQ1 D102 D103 D104 D105 R155 USB3_EQ2 C159 C160 4.7u 4.7u R156 USB3_DE1 R157 4.7K USB3_EQ1 - 190 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 191 EAG63070601 L202 100n ANT2 SW203 C204 FEED MBV62562101 ANT205 100p ENWY0003901 FEED MBV62562101 ANT206 C205 C206 C203 100p - 191 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 192 WLED_C2 LCD_MAKER_ID +5V5_DDVDH +1V8_VREG_L12 -5V5_DDVDL LCD_PWM LCD_VSYNC MIPI_DSI0_LANE2_P LCD_RESET_N MIPI_DSI0_LANE2_M MIPI_DSI0_LANE1_P MIPI_DSI0_CLK_P MIPI_DSI0_LANE1_M MIPI_DSI0_CLK_M MIPI_DSI0_LANE0_P MIPI_DSI0_LANE3_P MIPI_DSI0_LANE0_M MIPI_DSI0_LANE3_M - 192 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 193 BLUE_LED_DRV C100 EUSY0431901 2.2u EAG63013801 RGB Indicator IR LED +1V8_VREG_S3A 19-337_R6GHBHC-C06_2T GREEN_LED_DRV RED_LED_DRV BLUE_LED_DRV EAV62073601 LD100 LD101 IR_LED - 193 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 194 6. CIRCUIT DIAGRAM ANT100 FEED ANT1 MBV62521801 ANT101 FEED MBV62521801 C104 OJ100 - 194 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 195 (DOME Key changed : Oval => Round) CN100 KEY_LED_SNK2 5V_VREG KEY_LED_SNK1 EAG63393301 BM10SB-0_8-10DP-0_4V 5V_VREG 5V_VREG LD101 LD100 KEY_LED_SNK1 KEY_LED_SNK2 - 195 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 196: Bga Pin Map
U15012- BT / Wi-Fi / FM module <TOP View> U15012- BT / Wi-Fi / FM module <TOP View> Not Used LGE Internal Use Only - 196 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 197 7. BGA PIN MAP U9001–LCD Backlight LED Boost U9001–LCD Backlight LED Boost Not Used LGE Internal Use Only - 197 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 198 7. BGA PIN MAP U5000- SDRAM LPDDR3 16Gbit U5000- SDRAM LPDDR3 16Gbit Not Used LGE Internal Use Only - 198 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 199 7. BGA PIN MAP U3000- MSM8974 U3000- MSM8974 (Top View) <TOP> ALL USED LGE Internal Use Only - 199 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 200 7. BGA PIN MAP U3000- MSM8974 U3000- MSM8974 (Bottom View) <Bottom> Not Used LGE Internal Use Only - 200 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 201 7. BGA PIN MAP U8005–Fuel Gauge (Top View) U8005–Fuel Gauge <TOP View> ALL USED LGE Internal Use Only - 201 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 202 7. BGA PIN MAP U12001- SLIMPORT (Bottom View) U12001- SLIMPORT <Bottom View> Not Used LGE Internal Use Only - 202 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 203 7. BGA PIN MAP U6001–PM8941 (Top View) U6001–PM8941 <Top View> Not Used LGE Internal Use Only - 203 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 204 7. BGA PIN MAP U7000–PM8841 U7000–PM8841 (Top View) <Top View> Not Used LGE Internal Use Only - 204 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 205 7. BGA PIN MAP U1011 / U6000- FAN48632BUC33X U1011 / U6000- FAN48632BUC33X (Top View) <Top View> Not Used LGE Internal Use Only - 205 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 206 7. BGA PIN MAP U12003–OVP (Top View) U12003–OVP <TOP View> Not Used LGE Internal Use Only - 206 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 207 7. BGA PIN MAP U8002–Reset IC U8002–Reset IC (Top View) <Top View> ALL USED LGE Internal Use Only - 207 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 208 7. BGA PIN MAP U1005– QFE1101 U1005– QFE1101 (Top View) <TOP View> Not Used LGE Internal Use Only - 208 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 209 7. BGA PIN MAP U5001– Memory MCP U5001– Memory MCP (Top View) <Top View> Not Used LGE Internal Use Only - 209 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 210 7. BGA PIN MAP U2002– WTR1605L U2002– WTR1605L (Top View) <Top View> Not Used LGE Internal Use Only - 210 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 211 7. BGA PIN MAP U10000 – WCD9320 U10000 – WCD9320 (Top View) <Top View> Not Used LGE Internal Use Only - 211 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 212 7. BGA PIN MAP U11008 - Compass Sensor <Top view> U11008 - Compass Sensor (Top View) Not Used LGE Internal Use Only - 212 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 213 7. BGA PIN MAP U11002– IRRC LED U11002– IRRC LED (Top View) <Top View> Not Used LGE Internal Use Only - 213 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 214 7. BGA PIN MAP U100 – NFC U100 – NFC (Top View) <Top View> Not Used LGE Internal Use Only - 214 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 215 7. BGA PIN MAP U300– Touch IC U300– Touch IC (TOP view) <Top view> Not Used LGE Internal Use Only - 215 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 216 7. BGA PIN MAP U103– USB Redriver U103– USB Redriver (TOP view) <Top View> Not Used LGE Internal Use Only - 216 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 217: Pcb Layout
- no power on, & U5000 : LPDDR3 POP, - no charging - no booting, Reset etc - no booting LG-LS980-MAIN_EAX65309401_1.0_TOP - 217 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 218 U1003 : SKY77762 BC1,B25 PAM, - Can Not call U5001 : 32GB eMMC, - no booting ,Reset. Abnormal behavier LG-LS980-MAIN_EAX65309401_1.0_BOT-1 - 218 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 219 SW1001: MS-156C,1’st RF Switch - no RF power except B41 U1005 : QFE1101 RF DC-DC Converter, - no RF Power LG-LS980-MAIN_EAX65309401_1.0_BOT-2 - 219 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 220 CN304 CN200 CN200 : 60pin connector - no LCD Display, Main Mic, NFC, Earphone and FM operation LG-LS980_F_TOUC_EAX65295201_1.0_TOP - 220 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 221 CN305 : LCD connector, ANT203 ANT204 - no Display ANT203,ANT204 : Speaker Contact, - no speaker Sound LG-LS980_F_TOUC_EAX65295201_1.0_BOT - 221 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 223 8. PCB LAYOUT ANT100,ANT101: Main antenna contact clip.,Weak or - no RF signal. ANT100 ANT101 C104 C102 C100 LG-LS980_ANT_EAX65410501_1.0_BOT - 223 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 224 8. PCB LAYOUT CN100 : Sensor FPCB Conn., CN100 - no IrRC, ALC, Proximity & Indicator LG-LS980_F_SENSOR_EAX65289501_1.0_TOP - 224 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 225 LD101 : IrRC LED, LD100 : Indicator LED, - no IrRC(Q-remote) operation LD101 C100 - no light on indicator LED LG-LS980_F_SENSOR_EAX65289501_1.0_BOT - 225 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 226 8. PCB LAYOUT CN100 : Key FPCB Connector, - no power on & Key Lighting LG-LS980_ Key_TOP_1.0 - 226 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 227 8. PCB LAYOUT KB100 KB102 LD100,LD101 : Key Back Light LED, - no Key back lighting KB101 LG-LS980_ Key_BOT_1.0 - 227 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 228: Calibration
Power Supply 5.3V Power Supply_Phone Power Supply 5.0V RF Test Equipment CMW500, RF800A NOTICE CMW500 RF Cable connection LGE Internal Use Only - 228 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 229 9. CALIBRATION LS980 MS695 [TachyonV42] LGLS980 20130709 ALL File Calibration [Tachyon36]LGMS695_20120213_Calibration LGE Internal Use Only - 229 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 233 9. CALIBRATION LGLS980 LGLS980 LGLS980 LGLS980 LGLS980 LGLS980 LGLS980 LGLS980 LGLS980 LGE Internal Use Only - 233 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 235 Shield Box USB Cable RF Connection Cable USB cable (A-B type) (P/No : BJAY0020060) GPIB cable (IEEE-488) (P/No : BJAY0020058) LGE Internal Use Only - 235 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 244 9. CALIBRATION LGLS980 LGLS980 LGLS980 LGLS980 LGLS980 LGLS980 LGLS980 LGE Internal Use Only - 244 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 247: Nam Input Method
1. Enter ##MSL# (enter ##000000# if MSL is “000000”) 2. Select [View] to check MDN & MSID 3. Check MDN & MSID and Press [OK] LGE Internal Use Only - 247 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 248 4. Select [Edit] to edit MDN & MSID 5. Edit MDN & MSID and Press OK 6. Select [Done], reboot LGE Internal Use Only - 248 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 249 8. Scroll down until to see [IOT (CDG2)Hidden Menu] 9. Select [IOT Hidden Menu] -> [CDMA setting] -> [NAM programing] LGE Internal Use Only - 249 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 250 12. Input [MCC] and Press OK 13. Input [MNC], [MIN2], or [MIN1] to change NMSI and Press OK LGE Internal Use Only - 250 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 251 16. The mobile will reboot if exit [NAM programming] 17. To change other items, repeat 7, 8 and select [IOT (CDG2)] -> [CDMA setting] LGE Internal Use Only - 251 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 252 19. Select [Reg Test]->[MT for SID] to change Forn. SID Reg. 20. Select [Reg Test]->[MT for NID] to change Forn. NID Reg. LGE Internal Use Only - 252 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 253 22. Input [Acc Ovld Class] and Press 23. The mobile will not reboot after editing values of [Reg Test] LGE Internal Use Only - 253 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 254: Disassemble Guide
1) Remove the sim tray using sim opener. 2) Unhook in the side of Cover battery using a wide spatula. LGE Internal Use Only - 254 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 255 1) Disassemble the Rear, SPK module Screws. 2) Unhook Rear cover along below direction. (Screw Point : 12Point) LGE Internal Use Only - 255 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 256: Disassemble Main Pcb
& RF cable heads and pull in main PCB. Disassemble main PCB Disconnect FPCB Connectors & RF cable heads and pull in main PCB. LGE Internal Use Only - 256 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 257 1) Disconnect Touch FPCB Connectors and disassemble Touch FPCB. 2) After remove SPK module, disconnect RF cable heads & connecters and lift up Touch FPCB completely. LGE Internal Use Only - 257 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 258 1) After remove Touch FPCB, lift up the right side of the battery cell using a spatula and disassemble a battery cell. *Disassemble the Battery cell. LGE Internal Use Only - 258 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 259 Camera, Motor, IR sensor & Bracket, sosa antenna and Rubber.) Sosa screw (1Point) Sosa Antenna *Disassemble sosa screw (1 Point) and remove sosa antenna. LGE Internal Use Only - 259 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 261: Exploded View & Replacement Part List
12. EXPLODED VIEW & REPLACEMENT PART LIST This document is draft version, so the contents will be updated after registering the final one. LGE Internal Use Only - 261 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...

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