Page 1 Internal Use Only Service Manual LG-D722V Date: August, 2014 / Issue 1.0...
Page 2: Table Of Contents
3.12 Audio .....................106 3.13 LCD ......................119 3.14 Touch .....................121 3.15 Sensor ....................123 3.16 USB ......................127 3.17 Camera ....................129 LGE Internal Use Only - 2 - Copyright © 2014 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 © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 5: Specifications
Capacitive Touch Screen – Glass with fast and accurate response • Touch Vibration for Tactile Feedback • Micro USB Charging Port LGE Internal Use Only - 5 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 6 MTP – transfer files between microSD™ card and PC* *USB cable (sold separately) and microSD card (included) required. LGE Internal Use Only - 6 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 7 • Android Apps: Browser, Calculator, Calendar (Corporate or Google), Camera, Clock, Contacts, Email, Gallery, Gmail, Market, Messaging, Music, Phone, Settings, Voice Recorder, Voice Search • Wi-Fi Connectivity – IEEE 802.11b/g/n LGE Internal Use Only - 7 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 8 LTE B8 880-915 925-960 LTE B20 832-862 791-821 BT/WiFi 2400 MHz ~ 2483.5 MHz 1574.42 MHz ~ 1576.42 MHz LGE Internal Use Only - 8 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 9 Bluetooth Hands-free kit (Optional) • Stereo Headset (Optional) • Vehicle Power Charger (VPC) (Optional) • Quick Window Cover (Optional) LGE Internal Use Only - 9 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 10: Performance
: 824 – 849 MHz GSM850 RX : 869 – 894 MHz DCS1800 TX : 1710 – 1785 MHz LGE Internal Use Only - 10 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 11: Main Parts : Main Chipset Solution
WCDMA1 : -106.7dBm WCDMA5 : -106.7dBm WCDMA2 : -106.7dBm WCDMA2 : -106.7dBm WCDMA5 : -106.7dBm WCDMA5 : -106.7dBm LGE Internal Use Only - 11 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 12 Ear Phone Jack 3.5 pi type PC synchronization 8GB eMMC Memory 8Gb LPDDR2 Speech coding FR, EFR, HR,AMR LGE Internal Use Only - 12 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 13 Speaker Phone mode Support Travel Adapter CDROM Stereo Headset Data Cable T-Flash Yes ( Up to 32GB ) (External Memory) LGE Internal Use Only - 13 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 14: Sw Features
: -98dBm/-96dBm (2.439%) AM Suppression GSM : -31dBm -98dBm/-96dBm (2.439%) DCS : -29dBm Timing Advance ± 0.5T LGE Internal Use Only - 14 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 15 < -41 dBm / 300 kHz RW @ 1884.5 MHz < f < 1919.6 Transmit Intermodulation < -31 dBc @ 5 MHz &< -41 dBc @ 10 MHz LGE Internal Use Only - 15 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 16 +1.5/4 In Uplink -0.5/-1.5 -1/-3 -1.5/-4 Inner Loop Power Control -0.5/+0.5 -0.5/+0.5 -0.5/+0.5 In Uplink -0.5/-1.5 -1/-3 -1.5/-4 LGE Internal Use Only - 16 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 17 +/- 2.3 HS-DPCCH Start of CQI +/- 0.6 Middle of CQI +/- 0.6 End of CQI +/- 2.3 LGE Internal Use Only - 17 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 18 Band3 : 1850 - 1910 MHz Transmit Frequency Band7 : 2500 - 2570 MHz Band8 : 880-915 MHz LGE Internal Use Only - 18 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 19 Band20 : BER < 0.001 when Îor = -93.3dBm / 10 MHz Maximum Input Level BER < 0.001 when Îor = -25.7 dBm / 10 MHz LGE Internal Use Only - 19 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 20 < -47 dBm / 1 MHz BW @ 1 GHz ≤ f ≤ 12.75 GHz ※Under by rules of 3GPP TS 36.521-1 standard. *Under by rules of 3GPP TS 36.521-1 standard. LGE Internal Use Only - 20 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 21 ≥ -10dBm(1Mbps,2Mbps,5.5Mbps,11Mbps) @ FER ≤ 8% Rx Adjacent Channel ≥ 35dB @FER ≤ 8%, Rejection interference input signal -70dBm@fc±25MHz(11Mbps) LGE Internal Use Only - 21 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 22 ※ACR shall be measured by setting the desired signal's stre ngth 3 dB above the rate-dependent sensitivity specified in min input sensitivity LGE Internal Use Only - 22 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 23 ※ACR shall be measured by setting the desired signal's stren gth 3 dB above the rate-dependent sensitivity specified in min input sensitivity LGE Internal Use Only - 23 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 24 Standard Voltage : 3.8 V, Battery Full Charge Voltage : 4.35V Standard Voltage : 3.8 V, Battery Full Charge Voltage : 4.35V LGE Internal Use Only - 24 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 25 15% , 5%, 0% Bar 10 -> Bar 9 48% -> 47% Low battery pop-up 15% , 5%, 0% LGE Internal Use Only - 25 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 26: Trouble Shooting
The output frequency(19.2MHz) of XO(X4100) is used as the reference one of WTR1625L and PM8926 internal VCO X4100 R4106 100K G_L12 TOL=0.01 X4100 X1E0002910001 Thermistor XTAL2 XTAL1 GND/Therm 19.2MHz TP1 (C4102) TP1 (C4102) LGE Internal Use Only - 26 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 27 XO Circuit is OK. Check next step The Problem may be Logic part Refer to Logic trouble shoot LGE Internal Use Only - 27 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 28: Checking Transceiver Dc Power Supply Circuit Block
GNSS_BB_QM WTR0_PRX_HB1_IN PRX_HB1_IN R1503 4.75K PRX_HB2_IN RTUNE TOL=0.01 WTR0_PRX_HB3_IN PRX_HB3_IN U1500 PRX_HMB4_IN WTR0_PRX_HMB4_IN DAC REF WTR0 DAC IREF LGE Internal Use Only - 28 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 29 The Problem may be Logic part Check TP2 +2.05 V is OK? Refer to Logic trouble shoot Check next step LGE Internal Use Only - 29 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 30: Checking Dc-Dc Block
Test Point U1400 Circuit Diagram SGND PVIN1 PVIN2 PACB U1400 RFFE1_CLK SCLK LM3263 SVDD RFFE1_DATA SDATA PGND L1400 1.5u LGE Internal Use Only - 30 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 31 Check U1000 Physical Damage or Check TP4 soldering condition 0.5V ≤ TP4 ≤ 3.8V ? Check next step LGE Internal Use Only - 31 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 32: Checking Femid Block (Gsm, W B1/2/5/8, Lte B1/2/3/7/8/20)
3.4 Checking FEMiD Block (GSM Quad, W B1/2/5/8, LTE B1/3/8/20) Test Point FL1201 TP1(2.75V) TP2(1.8V) Circuit Diagram +1V8_VREG_L10 +2V75_VREG_L14 TP1(2.75V) TP1(2.75V) TP2(1.8V) TP2(1.8V) SCLK TRX6 H LGE Internal Use Only - 32 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 33 The Problem may be Logic part Check TP2 High Level ? (1.65V≤TP1 ≤1.95V) Refer to Logic trouble shoot Check next step LGE Internal Use Only - 33 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 34: Gsm Rf Part
Check Transceiver DC Power supply Block Refer 3.2 Check FEMid Block Refer 3.3 Check T/RX Block Re-Download & Cal Change the Board LGE Internal Use Only - 34 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 35 2. GSM900 RX PATH 3. GSM1800/1900 RX PATH 4. High Band T/RX PATH 5. Low Band T/RX PATH SW1101 LGE Internal Use Only - 35 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 36 SW1101 C10061 COMMON TP1(L10062) TP1(L10062) L10062 L10061 0.5p TP1(L10062) ANT2(B1,B2,B3,B TP2(C1109) SW1102 COMMON TP2(C1109) C1109 4.7p C1112 C1111 LGE Internal Use Only - 36 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 37 Check SW1101 Soldering Check next step 2) GSM1800/1900 START Check TP2 Signal exist? Check SW1102 Soldering Check next step LGE Internal Use Only - 37 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 38 WTR0_PRX_LB2_IN TP1(L1210) C1218 TP2(L1214) L1214 C1220 WTR0_PRX_LB3_IN TP2(L1214) C1221 TP3(L1221) L1221 4.7n C1234 C1244 100p WTR0_PRX_MB2_IN TP3(L1221) C1237 LGE Internal Use Only - 38 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 39 Check TP1/2/3 Signal exist? NOT GOOD Check Transceiver physical damage Replace U1500 or soldering condition Check next step LGE Internal Use Only - 39 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 40 3. GSM1800/1900 TX Output 4. GSM1800/1900 TX Output 5. High Band T/RX PATH 6. Low Band T/RX PATH SW1101 LGE Internal Use Only - 40 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 41 SCLK R1303 RFFE1_DATA VCC2 SDATA VCC_GSM GND3 +VPA_BATT0 GND13 VBATT RFOUT_GSM_HB GND4 GND12 RFIN_GSM_HB RFOUT_GSM_LB RFIN_GSM_LB TP1(C1318) TP1(C1318) LGE Internal Use Only - 41 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 42 Control CLK & Data Check correct CLK The Problem may be Logic part (19.2MHz)& MIPI data? Check Next step LGE Internal Use Only - 42 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 43 Check next step 2) GSM1800/1900 START Check TP1 Check SW1001 Soldering If DCS/PCS under 28dBm? Check next step LGE Internal Use Only - 43 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 44 C1321 C1322 GSM_HB WTR0_TX_MB2_OUT TP4 (C1322) TP4 (C1322) C1324 C1325 ATT, EU GSM_LB WTR0_TX_LB2_OUT TP3 (C1325) TP3 (C1325) LGE Internal Use Only - 44 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 45 If DCS/PCS Over 5dBm? NOT GOOD Check Transceiver physical damage Replace U1500 or soldering condition Check next step LGE Internal Use Only - 45 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 46: Wcdma Rf Part
Check Checking DC-DC Block Refer 3.3 Check FEMid Block Refer 3.4 Check T/RX Block Re-Download & Cal Change the Board LGE Internal Use Only - 46 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 47 Low Band T/RX PATH WCDMA B1 DRX PATH WCDMA B1 DRX PATH WCDMA B8 RX PATH COMMON DRX PATH SW1101 LGE Internal Use Only - 47 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 48 Test Point SW1103 SW1103 Circuit Diagram SW1103 C1150 100p C1124 COMMON FEED ANT1102 L1117 L1118 TP1(C1124) TP1(C1124) TP1(C1124) LGE Internal Use Only - 48 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 49 3. TROUBLE SHOOTING START Check TP21Signal exist? Check SW1103 Soldering Check next step LGE Internal Use Only - 49 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 50 GND2 LO-BAND C1105 TP5(L1210) 2.2n TP4(L1206) L1210 L1206 C1215 C1208 WTR0_PRX_HMB4_IN WTR0_PRX_LB2_IN 1.2n TP4(L1206) TP5(L1210) L1207 1.8n C1218 LGE Internal Use Only - 50 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 51 Check TP3 Signal exist? Check FL1201 Soldering Check TP4/5 Signal exist? Check TP4/5 Signal exist? Check next step LGE Internal Use Only - 51 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 52 HI-BAND C1127 COMMOM GND3 TP3(C1164) GND2 LO-BAND C1162 TP3(C1164) C1120 L1113 C1141 L1132 TP5(L1132) TP4(L1113) TP4(L1113) L1114 TP5(L1132) LGE Internal Use Only - 52 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 53 Signal exist? Check TP3 Check U1100 Soldering Signal exist? Check TP4/5 Replace U1500 Signal exist? Check next step LGE Internal Use Only - 53 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 54 WCDMA B2 TX PATH WCDMA B5 TX PATH WCDMA B8 TX PATH High Band T/RX PATH Low Band T/RX PATH LGE Internal Use Only - 54 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 55 SCLK R1303 RFFE1_DATA VCC2 SDATA VCC_GSM GND3 +VPA_BATT0 GND13 VBATT RFOUT_GSM_HB GND4 GND12 RFIN_GSM_HB RFOUT_GSM_LB RFIN_GSM_LB TP1(C1318) TP1(C1318) LGE Internal Use Only - 55 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 56 Control CLK & Data Check correct CLK The Problem may be Logic part (19.2MHz)& MIPI data? Check Next step LGE Internal Use Only - 56 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 57 Check SW1101 Soldering Check next step 2) WCDMA 1900/2100 START Check TP2 Signal exist? Check SW1102 Soldering Check next step LGE Internal Use Only - 57 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 58 TP4(C1105) 1.5n C1305 3.3n FL1103 LDJ1882 TP7(C1302) Termination_Port GND2 Coupling C1304 C1302 TP6(C1317) L1310 L1311 TP6(C1317) 7.5n 8.2n LGE Internal Use Only - 58 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 59 Check U1300 Soldering Signal is over 21dBm Check TP7 Replace U1500 Signal is over 3.5dBm Check next step LGE Internal Use Only - 59 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 60 C1320 3.9n 1.5n TP6(C1323) FL1103 LDJ1882 Termination_Port L1312 L1313 GND2 C1314 C1315 Coupling 1.5p 1.5p TP7(C1314) C1323 1.2n TP6(C1323) LGE Internal Use Only - 60 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 61 Check U1300 Soldering Signal is over 21dBm Check TP7 Replace U1500 Signal is over 3.5dBm Check next step LGE Internal Use Only - 61 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 62: Lte Rf Part
Check Checking DC-DC Block Refer 3.3 Check FEMid Block Refer 3.4 Check T/RX Block Re-Download & Cal Change the Board LGE Internal Use Only - 62 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 63 3.7.1.2 Checking RF signal path(SW) Refer to 3.6.2.2 about TX 3.7.1.3 Checking RF signal path Refer to 3.6.2.3 (B1) 3.6.2.4 (B8) LGE Internal Use Only - 63 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 64 U1300 FL1201 SW1102 LTE B3 PRX PATH LTE B3 PRX PATH LTE B3 TX PATH COMMON T/PRX PATH LGE Internal Use Only - 64 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 65 3.7.2.2 Checking RF signal path(SW) Refer to 3.5.1.1 START Check TP2 Signal exist? Check SW1102 Soldering Check next step LGE Internal Use Only - 65 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 66 Termination_Port GND2 Coupling GND1 GND6 GND2 GND5 GND3 GND4 C1312 2.7n C1307 2.7n C1306 TP5(C1306) TP4(C1312) TP4(C1312) TP5(C1306) LGE Internal Use Only - 66 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 67 Check U1300 Soldering Signal is over 3dBm? Check Transceiver physical damage Replace U1500 or soldering condition Check next step LGE Internal Use Only - 67 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 68 U1751 FL1750 SW1101 LTE B7 PRX PATH LTE B7 PRX PATH LTE B7 TX PATH COMMON T/PRX PATH LGE Internal Use Only - 68 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 69 RFFE1_CLK Refer to 4.6.2.1 ACPM-9307-TR1 U1751 VCC1 VCC2 SCLK VBAT RFOUT RFIN SDTA TP2(C1763) PGND TP1(C1766) TP2(C1763) TP1(C1766) LGE Internal Use Only - 69 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 70 Check MIPI CLK & Data in each mode Check U2100 Part is OK? Refer 4.6.2.1 Check Next step LGE Internal Use Only - 70 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 71 3.7.3.2 Checking RF signal path(SW) Refer to 3.5.1.1 START Check TP1 Check SW1101 Soldering If Signal is over 21dBm? Check next step LGE Internal Use Only - 71 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 72 VCC2 SCLK VBAT C1757 C1760 TP6(C1757) RFOUT RFIN GND1 GND4 SDTA GND2 GND5 GND3 GND6 PGND 2655MHz TP6(C1757) LGE Internal Use Only - 72 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 73 Check FL1705 Soldering TP5 signal is exist? Check TP7 Check U1500 Soldering Signal is over 3dBm? Check next step LGE Internal Use Only - 73 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 74 FL1201 FL1201 SW1101 LTE B20 PRX PATH LTE B20 PRX PATH LTE B20 TX PATH COMMON T/PRX PATH LGE Internal Use Only - 74 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 75 Refer to 4.6.2.1 RFFE1_CLK RFFE1_DATA SCLK SDATA U1701 VBATT RF7920 RF_OUT RF_IN VCC2 VCC1 PGND TP2(C1707) TP1(C1710) TP2(C1707) TP1(C1710) LGE Internal Use Only - 75 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 76 Check MIPI CLK & Data in each mode Check U2100 Part is OK? Refer 4.6.2.1 Check Next step LGE Internal Use Only - 76 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 77 3.7.4.2 Checking RF signal path(SW) Refer to 3.5.1.1 START Check TP1 Check SW1101 Soldering If Signal is over 21dBm? Check next step LGE Internal Use Only - 77 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 78 L1702 3.9p VCC2 VCC1 TP7(C1712) GND1 GND6 PGND L1710 L1707 GND2 GND5 7.5n GND3 GND4 C1714 TP6(L1707) TP7(C1712) LGE Internal Use Only - 78 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 79 TP6 is over 21dBm? TP5 signal is exist? Check TP7 Check U1500 Soldering Signal is over 3dBm? Check next step LGE Internal Use Only - 79 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 80 3.7.6 LTE B3 DRX LTE B3 DRX RF PATH LTE B3 DRX RF PATH FL1105 U1100 SW1103 SW1103 FL1106 FL1106 U1500 LGE Internal Use Only - 80 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 81 GND1 HI-BAND C1127 COMMOM GND3 GND2 LO-BAND TP3(C1164) C1162 TP3(C1164) TP4(L1115) C1123 L1115 WTR0_DRX_MB3_IN L1116 TP4(L1115) 3.9n C1128 LGE Internal Use Only - 81 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 82 Check FL1106 Soldering Check U1100 Soldering Check TP3 Signal exist? Check TP4 Signal exist? Replace U1500 Check next step LGE Internal Use Only - 82 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 83 3.7.7 LTE B7 DRX LTE B20 DRX RF PATH LTE B7 DRX RF PATH FL1105 U1100 SW1103 SW1103 FL1106 FL1106 U1500 LGE Internal Use Only - 83 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 84 C1164 FL1105 GND1 HI-BAND C1127 COMMOM GND3 GND2 LO-BAND C1162 TP3(C1164) TP3(L1128) C1158 WTR0_DRX_HB3_IN L1144 2.2n TP4(L1144) C1161 LGE Internal Use Only - 84 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 85 Check FL1106 Soldering Check U1100 Soldering Check TP3 Signal exist? Check TP4 Signal exist? Replace U1500 Check next step LGE Internal Use Only - 85 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 86 3.7.8 LTE B20 DRX LTE B20 DRX RF PATH LTE B20 DRX RF PATH FL1105 U1100 SW1103 SW1103 FL1106 FL1106 U1500 LGE Internal Use Only - 86 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 87 FL1106 C1164 FL1105 GND1 HI-BAND C1127 COMMOM GND3 GND2 LO-BAND C1162 TP3(L1128) L1128 C1137 WTR0_DRX_LB4_IN L1129 TP3(L1128 3.3p LGE Internal Use Only - 87 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 88 Check FL1105 Soldering Check TP2 Signal exist? Check FL1106 Soldering Replace U1500 Check TP3 Signal exist? Check next step LGE Internal Use Only - 88 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 89: Bt&Wifi Part
Power for BCM4334 analog, digital circuits. VDD_LN Power for WLAN driver amplifier circuits VBAT_FEM Power for WLAN 2.4GHz PA circuits LGE Internal Use Only - 89 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 90 BT&WIFI control signals are generate by BCM4334 BT&WIFI control signals are generate by BCM4334 BT/WIFI Antenna Clip BT/WIFI Circuit BT/WIFI PATH & TEST POINT(BOT) LGE Internal Use Only - 90 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 91 Close to C8 ball +VPWR_WL VDD_LN RF_SW_CTRL_0 RF_SW_CTRL_1 RF_SW_CTRL_2 RF_SW_CTRL_3 Close to H4 ball RF_SW_CTRL_4 RF_SW_CTRL_5 R5300 +VPWR_WL +VPWR R5301 VBAT_FEM LGE Internal Use Only - 91 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 92 ANT5101 Diplexer(2.4G/5G BPF) FL5100 ESD OPTION C5102 GND2 C5101 2G_WLAN_RF 1.2n GND3 GND1 5G_WLAN_RF C5199 C5232 C5233 0.5p LGE Internal Use Only - 92 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 93: Gps Part
Check Transceiver DC Power supply Block Refer 3.1 Check GPS RF Block Refer 3.2 Re-Download Change the Board LGE Internal Use Only - 93 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 94 Shooting 4. 9. GPS Part 3. TROUBLE SHOOTING GPS RF PATH GPS RF PATH LGE Internal Use Only - 94 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 95 NEAR TO WTR FL1109 C1148 100p C1149 100p RFOUT1 FL1108 RFIN SFMG2B0D001 RFOUT2 L1153 C1159 100p C1160 100p LGE Internal Use Only - 95 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 96 Check TP1 2.75V OK? part The Problem may be Other part Check Logic Check TP2 1.4V≤TP2≤3.0V? part Check Next step LGE Internal Use Only - 96 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 97 C1148 100p C1149 100p GNSS_IN_N RFOUT1 FL1108 RFIN SFMG2B0D001 RFOUT2 L1153 C1159 100p C1160 100p GNSS_IN_P n Circuit LGE Internal Use Only - 97 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 98 Check TP3 Signal exist? NOT GOOD Check Transceiver physical damage Replace U1500 or soldering condition Check next step LGE Internal Use Only - 98 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 99: Power
Check it’s 19.2Mhz Is the signal high at R4104, TP2106 ? Phone doesn’t boot yet? Change the main board LGE Internal Use Only - 99 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 100 4. Trouble 3. TROUBLE SHOOTING Shooting 4. 10. Power PM8926 power on sequence PM8926 power on sequence LGE Internal Use Only - 100 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 101 It should be high when power on CBL_PWR_N KPD_PWR_N PM_KYPD_PWR_N OPT_2 OPT_1 JTAG_PS_HOLD R4104 PS_HOLD MSM_PS_HOLD R4105 RESIN_IN PON_RESET_N MSM_RESIN_N - 96 - LGE Internal Use Only - 101 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 102 PON_RESET_N MSM_RESIN_N R4107 SPMI_CLK PMIC_SPMI_CLK R4108 SPMI_DATA PMIC_SPMI_DATA -PON_RESET_N It should be high when phone boot with battery LGE Internal Use Only - 102 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 103: Charger
Each capacitor GND should be star routed to their respective reference ground (GND_S1, GND_S2, GND_S3, GND_S4) CHG_PGND Then input caps should via directly to main ground LGE Internal Use Only - 103 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 104 Is the uUSB Cable voltage 5.0V Change TA (or uUSB Cable) Is it charging properly After turning on? Change the main board LGE Internal Use Only - 104 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 106: Audio
Replace component Fail on TP5 -> replace U6100 U2100 or main board U6100 Fail on TP6 -> replace U4940 LGE Internal Use Only - 106 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 107 C-CLIP PN CHANGE 1.4 -> 2.05 (L6612) (DGMS Guide) MC-C04773-8 : For ESD Protection / Tuning points (L6611) (L6612) LGE Internal Use Only LGE Internal Use Only - 107 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 108 2. We recommend MLCC capacitor in this case. SPKR_DRVP SPK_P SPKR_DRVM SPK_N VDD_SPKDRV +5V0_SPK_BOOST GND_SPKDRV_1 GND_SPKDRV_2 (C6109) (L6611) GND4 (C6109) LGE Internal Use Only (FB6100) LGE Internal Use Only - 108 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 109 TP1 to TP2/TP3 to TP4 Short test. Is it OK? Rework component TP1(L6450), TP3(L6451) Works well? Replace component U6100 LGE Internal Use Only - 109 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 110 MC-C04773-8 : For ESD Protection / Tuning points When USE) TVS devices's Working Voltage must be greater Main Top (L6450) (L6451) LGE Internal Use Only LGE Internal Use Only - 110 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 111 Check Mic signal in Main Board TP1(MIC_BIAS_1) TP2(MIC1_IN_P) Replace component MIC6920 Replace component U6100. Voice signal OK? Change Main Board LGE Internal Use Only - 111 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 112 MC-C00074-11 : For ESD Protection (FB6920) When USE) TVS devices's Working GND Close to MIC (C6920) (FB6920) LGE Internal Use Only LGE Internal Use Only - 112 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 113 Check Mic signal in Main Board TP1(MIC_BIAS_1) TP2(MIC3_IN_P) Replace component MIC6921 Replace component U6100. Voice signal OK? Change Main Board LGE Internal Use Only - 113 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 114 MC-C00074-11 : For ESD Protection / Tuning p When USE) TVS devices's Work GND Close to MIC (FB6921) (C6922) LGE Internal Use Only LGE Internal Use Only - 114 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 115 TP2(HPH_L), TP3(HPH_R), TP4(HPH_ TP5(-NCP_VNEG), TP6(NPC_C1P) When headset inserted. REF) Replace component U6100 Replace component U6100 Replace component U6600 LGE Internal Use Only - 115 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 116 2.4M 2.2K U6600 FSA5157L6X R6424 330K MIC_IN2_N C6606 (FB6612) (FB6611) (FB6600) (C6107) (C6108) (L6613) LGE Internal Use Only LGE Internal Use Only - 116 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 117 Check Main Board TP1(MIC) Replace component U6100 TP2(MIC_IN2_N) is GND level? When headset inserted. Replace component R6616 Replace component U6600 LGE Internal Use Only - 117 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 118 MIC_BIAS_2 +VPWR 2.4M 2.2K U6600 FSA5157L6X R6424 330K MIC_IN2_N (R6616) C6606 (R6616) (R6616) (FB6600) LGE Internal Use Only LGE Internal Use Only - 118 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 119: Lcd
LCD display OK? Check +2V8_VREG_L15 (C7101) Change the PM8926 (U4100) or +1V8_VREG_L8 (C7103) main BD. LCD display OK? LGE Internal Use Only - 119 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 120 PMIC_LED_A PMIC_LED_C FL15002 LCD_MAKER_ID FL7101 LCD_MIPI_DATA2_N LCD_MIPI_DATA2_P LCD_MIPI_DATA3_N LCD_MIPI_DATA3_P ADD at PMIC_LED_A, LED_C Bead/Cap TP1 +1V8_VREG_L8 TP2 +2V8_VREG_L15 LGE Internal Use Only - 120 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 121: Touch
(C7201) Change PM8926 (U4100) +1V8_VREG_L6 (C7505) Check I2C Line Change Main Board. (VA7201, VA7202) Touch Woks OK ? LGE Internal Use Only - 121 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 122 +1V8_VREG_L6 TOUCH_I2C_SDA +2V8_VREG_L28 TOUCH_INT TOUCH_MAKER_ID TP1 +2V95_VREG_L28 (C7200) (I2C Line & Signal Line) (VA7201 & VA7202) +1V8_VREG_L6 (C7201) LGE Internal Use Only - 122 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 123: Sensor
+2V85_VREG_L19 (C8101) Check I2C Line. (R2207, R2208) Change Main Board. Change the sensor (U8100). Sensor Woks OK ? LGE Internal Use Only - 123 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 124 M ti 3. TROUBLE SHOOTING +1V8_VREG_LVS1 SENSOR0_I2C_SDA SENSOR0_I2C_SCL ACCEL_INT U8100 INT1 VDDIO BMC150 INT2 GND3 +2V85_VREG_L19 COMPASS_INT DRDY U8100 LGE Internal Use Only - 124 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 125 +1V8_VREG_LVS1 (R8400) Check I2C Line. (R2207, R2208) Change Main Board. Change the proximity sensor (U8400). Sensor Woks OK ? LGE Internal Use Only - 125 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 126 C8400 Sensors R2207 2.2K SENSOR0_I2C_SDA +1V8_VREG_LVS1 Sensors R2208 2.2K R2207 2.2K SENSOR0_I2C_SCL SENSOR0_I2C_SDA +1V8_VREG_LVS1 R2208 2.2K SENSOR0_I2C_SCL U8400 LGE Internal Use Only - 126 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 127: Usb
Cable is inserted? Check C10001 Check VCHG is 5V? Check R9202 USB_DP is 3.05V? Change the Main Board LGE Internal Use Only - 127 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 128 ID when MSM PHY is off VCHG Check : C10001 USB_DP : R9202 - 123 - LGE Internal Use Only - 128 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 129: Camera
Check the EMI Filter signals Change the EMI Filter CIK/Data TP6 Change the Camera Camera is OK? Change the Main board LGE Internal Use Only - 129 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 130 CN7300 MAIN_CAM0_RESET_N FL7301 +1V2_VREG_L5 +1V8_CAM_IOVDD MAIN_CAM0_MIPI_DATA1_P FL7302 +2V8_EXT_LDO1 MAIN_CAM0_MIPI_DATA1_N MAIN_CAM0_MIPI_DATA0_P MAIN_CAM0_MIPI_DATA3_P MAIN_CAM0_MIPI_DATA0_N MAIN_CAM0_MIPI_DATA3_N MAIN_CAM0_MIPI_DATA2_P MAIN_CAM0_MIPI_DATA2_N FL7300 MAIN_CAM0_MIPI_CLK_P MAIN_CAM0_MIPI_CLK_N LGE Internal Use Only - 130 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 131 +1V2_VREG_L5 R7401 VT_CAM_MCLK +1V8_CAM_IOVDD CAM0_I2C_SDA CHANGE_PART CAM0_I2C_SCL 1.SEVY0005402_>_EAH61533301 2.REF_DGMS_CHECK_LIST VT_CAM_RESET_N VA7400-7403 : Clamping 12.8V / 15pF / 50W LGE Internal Use Only - 131 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 132: Download
Please Check the Version to “B2B” Name Part No. Software D/L Cable Micro 5P (56-open-910K) USB DLC RAD32167835 LGE Internal Use Only - 132 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 134 4. DOWNLOAD LGD722V LGD722V_20140617_LGFLASHv160_Download LGD722V LGE Internal Use Only - 134 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 144 4. DOWNLOAD LGD722V LGD722V_20140617_LGFLASHv160_Download LGD722V_20140617_LGFLASHv160_Download LGD722V LGD722VAT-00-V10a-SSV-XXX-JUN-03-2013+0.tot LGD722V LGE Internal Use Only - 144 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 145 4. DOWNLOAD LGD722V LGD722V_20140617_LGFLASHv160_Download LGD722V LGD722VAT-00-V10a-SSV-XXX-JUN-03-2013+0.tot LGD722V LGD722V LGE Internal Use Only - 145 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 149: Block Diagram
WCD9302 Gauge Receiver (Codec) IR LED VBAT LINE_OUT Speaker IRRC w/o driver VBUS_USB_IN Ear-Jack (Side Contact) USB Con. LGE Internal Use Only - 149 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 150 HALL IC HALL_INT BU52061NVX SENSOR0_I2C_SCL/SDA PROXIMITY PROXIMITY_INT APDS 9130 APDS-9130 PM_KYPD_PWR_N PM8926 USB_D_M / P KEYPAD_SENSE(0:1) FPCB USB Con. LGE Internal Use Only - 150 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 151 +1V8_IRRC_TR +1V2_VREG_L6 +2V8_EXT_LDO3 8M Cam IRRC circuits LDO 2 Touch Screen VT Cam +1V8_VREG_L6 +1V2_VREG_L6 +1V8_CAM_IOVDD LDO 1 LGE Internal Use Only - 151 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 152 SLIMBUS_CLK / I2C_SDA SLIMBUS_DATA GPIO_71 CODEC INT CODEC_INT GPIO_68 INTR INTR GPIO 68 GPIO_72 RESET_N CODEC_RESET_N VDD_VBAT +VPWR LGE Internal Use Only - 152 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 153 1.3M VT_CAM_MIPI_CLK_N MIPI_CSI1_CLK_N 20pin MIPI_CSI1_CLK_P VT_CAM_MIPI_CLK_P VT_CAM_MIPI_DATA0_N MIPI_CSI1_LN0_N VT_CAM_MIPI_DATA0_P MIPI_CSI1_LN0_P VT_CAM_MCLK GPIO_27 VT_CAM_RESET_N GPIO_28 Flash Flash FLASH_LED_OUT_ VLED_FLASH LGE Internal Use Only - 153 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 154 SLEEP_CLK +1.8V_VREG_L6 VREG_L6 VDDIO_1,2 VDD_LN PM8926 VBAT VDD_CORE Internal BUCK & LDO VOUT 3P3 (Main power source) VIN_LDO LGE Internal Use Only - 154 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 155 GPIO0 GPIO1 TEST1 VREG_L6 XTAL XTAL2 VREG L22 VREG_L22 TEST2 TEST2 +1.8V_VREG_L6 TEST3 27.12MHz XTAL1 TEST4 TEST10 PVDD LGE Internal Use Only - 155 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 156 WCDMA B1/8 B28 DRx LTE B1/3/7/8/20 DRX_LB1(B28) B20 DRx DRX_LB4(B20) B40 DRx SPDT DRX_MB3(B1/B4) WFR1620 DRX_MB1(B2) PRX_MB1(B2) PRX_MB3(B1) SPDT LGE Internal Use Only - 156 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 157: Circuit Diagram
C1159 100p C1160 100p GNSS_IN_P ANT1105 C1161 L1145 100p ( DGMS Guide ) MC-C00002-14 : ESD Protection Circuit - 157 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 158 100p C1229 WFR0_PRX_MB1_IN B2 PRX_WFR For CA L1217 C1235 L1221 4.7n C1234 C1244 100p WTR0_PRX_MB2_IN GSM_HB PRX C1237 - 158 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 159 KR, DCM, VZW GSM_LB 3/4G ATT, EU +VPA0 G1800/G1900 C1327 1.2n FEMID_TX_GSMHB G850/G900 C1326 1.8n FEMID_TX_GSMLB L1320 L1321 0.5p - 159 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 160 +VPWR +VPWR|+VPA_BATT0 SGND PVIN1 PVIN2 +1V8_VREG_L10 PACB U1400 RFFE1_CLK SCLK LM3263 SVDD RFFE1_DATA SDATA PGND L1400 1.5u +VPA0 - 160 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 161 WTR0_XO_IN GND50 DRX_LB_CA_OUT GND51 DRX_MB_CA_IN GND52 DRX_HB_CA_OUT GND53 GND54 GND58 GND55 GND59 GND56 GND60 GND57 GND61 GND62 GND63 - 161 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 162 GND6 PGND L1710 L1707 GND2 GND5 7.5n GND3 GND4 C1714 C1713 USE LPF FOR CA FL1653 B28 TX - 162 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 163 VBAT C1757 C1758 4.7n C1759 C1760 WTR0_TX_HB1_OUT RFOUT RFIN GND1 GND4 SDTA GND2 GND5 GND3 GND6 PGND 2655MHz - 163 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 164 RF_IN WTR0_TX_HB2_OUT VCC2 VCC1 PGND C1806 885049 FL1802 PRX B40 C1812 C1813 C1814 ANT_PRX_B40 WTR0_PRX_HB1_IN G1 G2 G3 - 164 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 165 120p 1.5p C5216 L5201 390n NFC_TX_2 FEED 2108614-5 ANT5103 C5299 C5218 NFC_RX_N C-CLIP Height Change (3.0 -> 2.7) - 165 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 166 0 ohms CSFB, CA ET Used 0 ohm SVLTE ET Unused 0 ohm SVLTE ET Used 0 ohm - 166 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 167 FUEL_I2C_SCL R2216 TDMB SPI CS Pull-Up Note 8 Note 8 If you don't use TDMB, delet this box - 167 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 168 GND_339 GND_166 AW30 GND_340 GND_167 AW38 GND_341 GND_168 AW40 GND_342 GND_169 GND_343 GND_170 GND_344 GND_171 AY29 RSVD GND_172 - 168 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 169 2. Over 100uF totally on Vbat line Use the TVS diode of VR=5V, when TVS diode have to use for ESD - 169 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 170 VDD_APC_15 VDD_APC_16 VDD_APC_17 VDD_APC_18 VDD_APC_19 VDD_APC_20 VDD_APC_21 VDD_APC_22 VDD_APC_23 VDD_APC_24 VDD_APC_25 VDD_APC_26 VDD_APC_27 VDD_APC_28 VDD_APC_29 VDD_APC_30 VDD_APC_31 VDD_APC_32 - 170 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 171 NC22 NC113 NC73 NC114 NC24 NC115 NC25 NC117 NC26 NC118 NC27 NC120 NC28 NC121 NC29 NC122 NC30 NC123 - 171 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 172 When USE) TVS devices's Working Voltage must be greater than the Path voltage should apply capacitor under 50pF value for ESD protection with d-class amp - 172 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 173 VA7400-7403 : Clamping 12.8V / 15pF / 50W MC-C06162-1 : Don't connect positive of tantal to negative charger pump. C7503 - 173 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 174 C8400 R8952 Q8950 R8953 LINE_OUT_IRRC Q8951 C8950 TOL=0.01 TOL=0.01 4.7u VA8950 C8952 0.1u RED LED +VPWR LD8951 HR_LED_SINK - 174 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 175 4.3K ohm : 20% of ISET 820 ohm : 646mA ex) 6% = 1.2K / 200 1000 ohm : 530mA - 175 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 176 (GND_S1, GND_S2, GND_S3, GND_S4) Then input caps should via directly to main ground CHG_PGND C4171,4172 CHANGE CAP AT 1.0 (AUDIABLE NOISE) - 176 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 177 BOTTOM SHIELD CAN CLIP SCREW_HOLE PID1 SC20001 SC20002 SC20003 SC20004 SC20005 SC20006 OJ13000 O J13001 O J13002 ADD AT 1.0 AGAIN - 177 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 183: Pcb Layout
Battery connector Can’t power on FL1100, FL1103 : Coupler LDJ18829M24AD011RF trouble shooting FL110062, Diplexer DPX202700DT-4162A1 RF trouble shooting LG-D722V_MAIN_EAX65886601_1.0_TOP-1 - 183 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 184 U8700 : Hall Sensor IC - Quick Cover not operate CN10001 Micro USB No USB, Charging operation LG-D722V_MAIN_EAX65886601_1.0_TOP-2 - 184 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 185 SW1102 Mobile switch, DRX B1, B2, B3, B20 Can’t search signal U5200 PN547, NFC NFC not operate LG-D722V_MAIN_EAX65886601_1.0_BOT-1 - 185 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 186 Antenna Clip, Main RF1149A Can’t search signal No MIC operation No Speaker operation Can’t search signal RF Trouble Shooting LG-D722V_MAIN_EAX65886601_1.0_BOT-2 - 186 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 187: Calibration
>How to connect between CMW500 and RF800A ; It has to connected as below - CMW500 [RF1COM] to RF-800A [left COM], - CMW500 [RF2COM] to RF-800A [Right COM] LGE Internal Use Only - 187 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 189 9. CALIBRATION LGD722V MS695 [TachyonV48] LGD722V 20140723 ALL File Calibration [Tachyon36]LGMS695_20120213_Calibration LGD72V LGE Internal Use Only - 189 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 192 9. CALIBRATION LGD722V LGD722V LGD722V LGD722V LGD722V LGD722V LGD722V LGD722V LGE Internal Use Only - 192 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 194 RAD32167861 RF cable : MS-156C (P/No :MXFJK1WT4000C2) This is for example. You can check “C:\LGE\Tachyon\Model\D722V\Setting Guide” LGE Internal Use Only - 194 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 195 MS-156C MXFJK1WT4000C2 GPIB cable (IEEE-488) (P/No : BJAY0020058) RAD32167861 This is for example. You can check “C:\LGE\Tachyon\Model\D722V\Setting Guide” LGE Internal Use Only - 195 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 203 9. CALIBRATION LGD722V MS695 MS695 LGD722V LGD722V LGD722V LGD722V LGD722V LGD722V LGD722V LGE Internal Use Only - 203 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 206: Hidden Menu
Hidden Menu Start the desired menu: Menu, click Version Info Classified Information representation Hidden Menu Settings Version Info LGE Internal Use Only - 206 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 207 All auto Test - Full (+Power) You can check Test Results When you touch the screen with pushing power key LGE Internal Use Only - 207 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 208 Proximity Sensor : Blind the Proximity sensor Camera Test – Snapshot Click OK button to calibrate A+ function Touch screen to capture LGE Internal Use Only - 208 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 209 Camera is recoding for 4 seconds VT Camera Test Show the VT Camera image Display Check Test Check Black & White Color LGE Internal Use Only - 209 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 210 Check the sound Vibrator Test Check the vibration IrRC Test Touch the ‘Start’ Button and check IrRC function through JIG LGE Internal Use Only - 210 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 211 GPS(RF) test : CNO is some value : OK Bluetooth Scanning is PASS : OK WiFi Scanning is PASS : OK LGE Internal Use Only - 211 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 212 Connect wired headset Check the volume of FM radio Loopback Test Check the Audio loopback Check the Speaker loopback LGE Internal Use Only - 212 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 213 10. HIDDEN MENU Individual item You can test only individual item LGE Internal Use Only - 213 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 214: Disassemble Guide
A front view of D722v. Lift up battery cover with your finger nail. Disassemble battery cover. Disassemble battery. LGE Internal Use Only - 214 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 215 Push Be carefully Rear and antenna spatula with c-clip damage. Finger using a spatula. Disassemble a Rear assembly. LGE Internal Use Only - 215 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 216 Disassemble three connectors. Lift up a assembled PCB From a bar assembly. A view of BAR assembly and PCB assembly. LGE Internal Use Only - 216 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 217 A main Top(left) and a shield can top(right). A view of PCB assembly. A main bottom(left) and a shield can bottom(right). LGE Internal Use Only - 217 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 218: Exploded View & Replacement Part List
FAB00 Scerw, Machine EAU00 Motor, DC ACQ00 Cover Assembly, Battery EBP00 Camera Module FAB01 Screw, Tapping MDS01 Gasket - 218 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 219: Replacement Parts
MOLD PC LGD725.AATTZY BK:BLACK BLACK - MCQ009400 Damper,Camera MCQ67665001 COMPLEX LGD725.AATTZY ZZ:Without Color - MCQ049800 Damper,Motor MCQ67747201 COMPLEX LGD725.AATTZY ZZ:Without Color - LGE Internal Use Only - 219 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 220 COMPLEX LGD725.AATTTN ZZ:Without Color - MJN061101 Tape,Protect MJN69268801 COMPLEX LGD725.AATTTN ZZ:Without Color - MDS000006 Gasket MDS64972001 COMPLEX LGD725.AATTTN ZZ:Without Color - LGE Internal Use Only - 220 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 221 MBK63853001 Color - MEV000000 Insulator MEV65132301 COMPLEX LGD725.AATTTN ZZ:Without Color - ABM01 ABM74476601 LGD722V.AVD2TN ZZ:Without Color - Assembly,Shield LGE Internal Use Only - 221 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 222 Pallet MPCY0012403 COMPLEX KG800 FRABK DB:DARK BLUE - COMPLEX LGE730.ANLDKT ZZ:Without Color S6T- MBL007000 Cap,Box MCCL0002604 STD Cap(800EA/1200*800) LGE Internal Use Only - 222 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 223 1NFCLG044 SINGLE -5DB 5:1 FPCB Type - NFC EAA030100 EAA63444601 Antenna,Multiple Tape IMTECH MCK004100 Cover,Battery MCK68125821 MOLD PC LGD722V.AVD2TN TN:TITAN TITAN - LGE Internal Use Only - 223 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 224 EAA030100 PIFA Antenna,GPS EAA63406101 Tape KOMATECH CO.,LTD LGD725.AATTTN 1.0 POLYI Stack via 2 0.15 EAX010700 PCB,Flexible EAX65823601 Flexible LGE Internal Use Only - 224 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 225 1005GC2T5N6SLF 5.6NH 0.3NH - 300mA 0.27OHM Inductor,Multilayer, C1111 ELCH0001054 3.2GHZ 8 SHIELD NONE 1.0X0.5X0.5MM R/TP Chip PILKOR ELECTRONICS LTD. LGE Internal Use Only - 225 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 226 C0603X7R1C103KT 10nF 10% 10V X7R - Capacitor,Ceramic, C2325 ECCH0009106 Chip 55TO+125C 0603 R/TP - TDK CORPORATION C2326 C2360 LGE Internal Use Only - 226 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 227 C1005C0G1H330JT000F 33pF 5% 50V NP0 - C10076 Capacitor,Ceramic, ECZH0000830 55TO+125C 1005 R/TP - TDK KOREA C10077 Chip COOPERATION C5208 C5216 C6614 LGE Internal Use Only - 227 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 228 C5131 MECHANICS CO., LTD. C5144 R101 MCR006YZPJ101 100OHM 5% 1/20W 0603 R/TP - R102 Resistor,Chip ERHY0009503 ROHM. R103 LGE Internal Use Only - 228 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 229 MLC x 1/11.5x13.0/91.0%) TOSHIBA ELECTRONICS KOREA CORPORATION PN5472A2UK/C20803 WLCSP 2.81x2.79x0.56 NFC U5200 IC,NFC EAN62632401 IC WLCSP R/TP 42P NXP Semiconductors LGE Internal Use Only - 229 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 230 CL05A225MQ5NSNC 2.2uF 20% 6.3V X5R - C3205 Capacitor,Ceramic, ECCH0000198 55TO+85C 1005 R/TP . SAMSUNG ELECTRO- C5104 Chip MECHANICS CO., LTD. C7200 LGE Internal Use Only - 230 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 231 AVLC10S01005 10V 0% 5pF 0.6X0.3X0.3mm VA9506 Varistor EAF62210001 IEC61000-4-2 (ESD) level #4 SMD R/TP AMOTECH VA9507 CO., LTD. VA9508 VA9509 LGE Internal Use Only - 231 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 232 GRM155R61A225KE95 2.2uF -10TO+10% 10V X5R Capacitor,Ceramic, C2401 EAE62962301 -55TO+85C 1005 R/TP 0.5 L:1.0+-0.05 W:0.5+-0.05 Chip T:0.5+-0.05 MURATA MANUFACTURING CO.,LTD. LGE Internal Use Only - 232 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 233 MURATA MANUFACTURING CO.,LTD. PESD12VS1UA 12V 13.3V min. 19V 22.5A 360mW D10000 Diode,TVS EAH61872601 SOD323 R/TP 2P 1 NXP Semiconductors L1103 LG HK0603 82NJ-T 82NH 5% - 70mA - - 3.37OHM Inductor,Multilayer, L1119 EAP61866701 1GHZ 4 SHIELD 0 0.6X0.3X0.3MM R/TP TAIYO Chip L1152 YUDEN CO.,LTD...
Page 234 1005 R/TP 0.55T max. TDK KOREA Chip COOPERATION R10062 MCR01MZP5F2403 240KOHM 1% 1/16W 1005 Resistor,Chip ERHZ0000252 R10066 R/TP - ROHM. LGE Internal Use Only - 234 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 235 GRM0335C1ER50C 0.5pF 0.25PF 25V X7R - Capacitor,Ceramic, C5233 ECCH0009208 55TO+125C 0603 R/TP - MURATA Chip MANUFACTURING CO.,LTD. LG HK 0603 2N2S-T 2.2NH 0.3NH - 360mA - - Inductor,Multilayer, L1134 EAP62227301 0.19OHM 8.8GHZ 4 SHIELD - 0.6X0.3X0.3MM R/TP Chip TAIYO YUDEN CO.,LTD...
Page 236 FSA5157L6X 1.65 to 5.5V 60NSEC 20NSEC U6600 IC,Analog Switch EAN62578201 180mW MICROPAK R/TP 6P - FAIRCHILD SEMICONDUCTOR HONG KONG LTD. LG HK 0603 1N0S-T 1NH 0.3NH - 470mA - - C5101 Inductor,Multilayer, EAP62226901 0.11OHM 10GHZ 4 SHIELD - 0.6X0.3X0.3MM R/TP C5139 Chip TAIYO YUDEN CO.,LTD...
Page 237 4P - TEXAS INSTRUMENTS KOREA LTD, Regulator HONGKONG BRANCH. PMR10EZPFU10L0 0.01OHM 1% 1/2W 2012 R/TP - R9103 Resistor,Chip ERHY0035601 ROHM. LGE Internal Use Only - 237 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 238 1005GC2T8N2JLF 8.2NH 5% - 250mA 0.37OHM Inductor,Multilayer, C10066 ELCH0004705 2.8GHZ 8 SHIELD NONE 1.0X0.5X0.5MM R/TP Chip PILKOR ELECTRONICS LTD. LG HK 0603 8N2J-T 8.2NH 5% - 230mA - - Inductor,Multilayer, L1150 EAP62227701 0.45OHM 3.4GHZ 5 SHIELD - 0.6X0.3X0.3MM R/TP Chip TAIYO YUDEN CO.,LTD Q22FA1280013000 37.4MHZ 10PPM 12F , SMD...
Page 239 Inductor,Multilayer, EAP62546201 0.15OHM 15GHZ 14 SHIELD - 0.6X0.3X0.3MM L1207 Chip R/TP MURATA MANUFACTURING CO.,LTD. L1128 LG HK 0603 18NJ-T 18NH 5% - 180mA - - 0.71OHM Inductor,Multilayer, L1700 EAP62227901 2.3GHZ 5 SHIELD - 0.6X0.3X0.3MM R/TP TAIYO Chip L1707 YUDEN CO.,LTD LQP03TG15NJ02D 15NH 5% - 170mA - - 1.9OHM...
Page 240 0.46OHM - - SHIELD 2.5X2.0X1.2MM NONE R/TP Wound,Chip TOKO, INC. R4135 R4138 Wire Pad,Open SAFO0000401 AX3100 ATL SV_SHIPBACK,MAIN,A,0OHM DNI R9512 LGE Internal Use Only - 240 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 241 45TO+85C 0603 R/TP - SAMSUNG ELECTRO- Chip C2418 MECHANICS CO., LTD. C4191 C4199 C7201 C9501 C9503 LG HK0603 7N5J-T 7.5NH 5% - 240mA - - 0.41OHM L1311 Inductor,Multilayer, EAP61866801 3.6GHZ 5 SHIELD 0 0.6X0.3X0.3MM R/TP TAIYO L1710 Chip YUDEN CO.,LTD C1324 LQP03TG4N7J02D 4.7NH 5% - 250mA - - 0.72OHM...
Page 242 ERHZ0000441 ROHM. RC0402FR-074K75L 4.75KOHM 1% 1/16W 1005 R1503 Resistor,Chip EBC62236701 R/TP 0.4T max. YAGEO CORPORATION LG HK 0603 1N0S-T 1NH 0.3NH - 470mA - - C5101 Inductor,Multilayer, EAP62226901 0.11OHM 10GHZ 4 SHIELD - 0.6X0.3X0.3MM R/TP C5139 Chip TAIYO YUDEN CO.,LTD IR26-71C/L447/S63/TR8 CLEAR 1.15~1.6V 65mA...
Page 243 LQP03TN3N3B02D 3.3NH 0.1NH - 450mA - - C1103 Inductor,Multilayer, EAP62526401 0.25OHM 8GHZ 14 SHIELD - 0.6X0.3X0.3MM R/TP C1305 Chip MURATA MANUFACTURING CO.,LTD. LGE Internal Use Only - 243 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 244 L4135 MPZ1608S102A 1000 1.6x0.8x0.8 25% 0.3 0.8 SMD FB6100 Filter,Bead EAM62870101 R/TP 2P - TDK CORPORATION LG HK 0603 6N8J-T 6.8NH 5% - 250mA - - Inductor,Multilayer, C1703 EAP62227601 0.39OHM 3.9GHZ 5 SHIELD - 0.6X0.3X0.3MM R/TP Chip TAIYO YUDEN CO.,LTD...
Page 245 QUALCOMM INCORPORATED. GU077-5P-NT-E1500 5P 0.65MM ANGLE CN10001 Connector,I/O EAG63231601 RECEPTACLE DIP R/TP Reverse Offset LS Mtron Ltd. LG HK 0603 15NJ-T 15NH 5% - 180mA - - 0.71OHM Inductor,Multilayer, L1214 EAP62246301 5HZ 2.3G SHIELD - 0.6X0.3X0.3MM R/TP TAIYO Chip YUDEN CO.,LTD LQP03TN2N0C02D 2NH 0.2NH - 600mA - -...
Page 246 KTC4075E NPN 5V 60V 50V 150mA 100NA 700 TR,Bipolar EQBN0020501 Q8951 100mW ESM R/TP 3P KEC CORPORAITION C1323 LG HK 0603 1N2S-T 1.2NH 0.3NH - 450mA - - Inductor,Multilayer, L1206 EAP62227001 0.12OHM 10GHZ 4 SHIELD - 0.6X0.3X0.3MM R/TP Chip L1753 TAIYO YUDEN CO.,LTD...
Page 247 ANT1105 IC,Hall Effect BU52061NVX Hall IC 1.2X1.6 SSON R/TP 4P - U8700 EAN62682901 Switch ROHM Semiconductor KOREA CORPORATION LGE Internal Use Only - 247 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 248 MCH155A510JK 51pF 5% 50V NP0 -55TO+125C C5210 Capacitor,Ceramic, ECCH0000123 1005 R/TP - - ROHM Semiconductor KOREA C5213 Chip CORPORATION LGE Internal Use Only - 248 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 249 55TO+85C 0603 R/TP - - MURATA Chip MANUFACTURING CO.,LTD. MCR006YZPJ150 15OHM 5% 1/20W 0603 R/TP - R1500 Resistor,Chip ERHY0009509 ROHM. LGE Internal Use Only - 249 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 250 Windows KK - PCSuiteV - - EUROPE - - Application Software,USB SAD010500 SAD34785101 Windows - Driver SAD010600 Software,OSP SAD34764801 Windows Windows KK - - LGE Internal Use Only - 250 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 251: Accessory
HC-MYD-LG127 20mW 16OHM 115DB EAB010200 Earphone,Stereo EAB62209201 20HZTO20KHZ 1.1M BLACK 3.5 L TYPE STEREO 4POLE PLUG OPEN TYPE I-SOUND CO,LTD LGE Internal Use Only - 251 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...

LG -D722V Service Manual

Introduction

Performance

Trouble Shooting

Download

Block Diagram

Circuit Diagram

Bga Pin Map

Pcb Layout

Calibration

Hidden Menu

Disassemble Guide

Exploded View & Replacement Part List

Quick Links

Need help?

Questions and answers

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Summary of Contents for LG LG-D722V

Table of Contents