Page 1 Internal Use Only Service Manual LG-D385 Date: April, 2014 / Issue 1.0...
Page 2: Table Of Contents
3.14 Main LCD TS ..................157 3.15 BT/Wifi TS .....................160 3.16 GPS TS ....................163 3.17 FM TS ......................166 3.18 DTV ......................168 LGE Internal Use Only - 2 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 3: Introduction
In accordance with these agencies, you may be required to provide information such as the following to the end user. - 4 - LGE Internal Use Only - 3 - 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 described. - 5 - LGE Internal Use Only - 4 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 5 Capacitive Touch Screen – Glass with fast and accurate response • Micro USB/Charging Port USB/Ch - 6 - LGE Internal Use Only - 5 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 6 Send User-Generated Pictures (JPEG) and Videos via Bluetooth Wireless Technology *Depends on available memory. **Accessories sold separately Accessories sold separately. - 7 - LGE Internal Use Only - 6 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 7: Specifications
Standard Battery: 2,540 [mAh] ACCESSORIES • Standard Battery • Travel Adapter and USB Cable* • Stereo Headset - 8 - LGE Internal Use Only - 7 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 8: Performance
2. PERFORMANCE 2.1 Product Name 2.1 Product Name 2.1 Product Name LG-D385 : WCDMA 850//2100+GSM850/EGSM/DCS/PCS LG-D385 : WCDMA 850//2100+GSM850/EGSM/DCS/PCS (HSUPA 5.76Mbps(cat6)/HSDPA 21Mbps(cat14)/GPRS Class12/EDGE LG-D385 : WCDMA 850//2100+GSM850/EGSM/DCS/PCS (HSUPA 5.76Mbps(cat6)/HSDPA 21Mbps(cat14)/GPRS Class12/EDGE Class12) Class12) (HSUPA 5.76Mbps(cat6)/HSDPA 21Mbps(cat14)/GPRS Class12/EDGE Class12) 2.2 Supporting Standard 2.2 Supporting Standard...
Page 9: Hw Features
2.5fps @ Full Size (3280 x 2464) 8. Main Camera (8M) View Angle 71.4° Image Scaling Down 8M,5M,3M,W3M,1M,W1M Pixel x size 1.1um x1.1um LGE Internal Use Only - 9 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 10 12. WLAN Throughput performance) depend on environment 0 ~ 50m (depend on environment) 13. GPS type A-GPS, GNSS LGE Internal Use Only - 10 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 11: Hw Spec
Δf = 8.5~12.5MHz dBc/1MHz 9kHz ~ 150kHz 150kHz ~ 30MHz Transmit Spurious Emission 30MHz ~ 1GHz 1GHz ~ 12.5GHz LGE Internal Use Only - 11 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 12 +1.5/4 -0.5/+0.5 -0.5/+0.5 -0.5/+0.5 Inner Loop Power Control -0.5/-1.5 -1/-3 -1.5/-4 In Uplink group(10equal command group) +8/+12 +16/+24 LGE Internal Use Only - 12 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 13 (EVM) with HS- -20 dBm DPCCH 6.3A Maximum Input Level for Receiver Pin = -25dBm BLER(%) HS-PDSCH Reception LGE Internal Use Only - 13 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 14 : -98dBm/-96dBm (2.439%) AM Suppression -98dBm/-96dBm (2.439%) GSM : -31dBm - 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 Drift Rate Freq. Drift Carrier Frequency Drift 10101010 kHz/50us Drift Rate Freq. Drift 10101010 kHz/50us Drift Rate LGE Internal Use Only - 15 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 16 Input power @CW_i Δf = -5MHz (CW_i) Δf = -10MHz (BT_i) -64dBm@ BT_w Maximum Input Level PRBS9 Input power @BT_w LGE Internal Use Only - 16 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 17 ≥ -10dBm(1Mbps,2Mbps,5.5Mbps,11Mbps) @ FER ≤ 8% Rx Max input Sensitivity Rx Adjacent Channel ≥ 35dB @FER ≤ 8%, interference input signal -70dBm@fc±25MHz(11Mbps) Rejection LGE Internal Use Only - 17 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 18 ※ACR shall be measured by setting the desired signal's strength 3 dB above the rate-dependent sensitivity specified in min input sensitivity LGE Internal Use Only - 18 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 19 ※ACR shall be measured by setting the desired signal's strength 3 dB above the rate-dependent sensitivity specified in min input sensitivity LGE Internal Use Only - 19 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 20 Under 300uA 6. No SVC Mode Under 200mA Under 200 mA 7. Power Off Mode Under 300uA Under 300uA LGE Internal Use Only - 20 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 21 Under 5 hour (2540mAh battery, 850mA TA) Under 5 hour (2540mAh battery, 850mA TA) 14) Charging hour Under 5 hour (2540mAh battery, 850mA TA) LGE Internal Use Only - 21 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 22: D385 Figures
LG-D385 Product SPEC 15) Battery indicator 15) Battery indicator LG-D385 Product SPEC 2.6 D385 Figures 2.6 D385 Figures LGE Internal Use Only - 22 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 23: Trouble Shooting
* There are no Test Points on the IQ Data Line. So It is impossible to check the IQ Data Wave form LGE Internal Use Only - 23 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 24 3. TROUBLE SHOOTING WTR2605 (U1500) HRPF89165B (FL2001) (U1100) <Main Top> LGE Internal Use Only - 24 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 25 +1V8_VREG_L10 is OK? Refer to Logic troubleshoot DC Power Supply Circuit is OK See Next page to Check XO Circuit LGE Internal Use Only - 25 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 26 Tuning point (Inductor Placeholder) VDD_RF2_R_PLL VDD_RF2_XO L1501 VDD_RF1_R_VCO +1V225_VREG_L1 VDD_RF1_T_PLL VDD_RF1_T_LO VDD_RF1_R_LO STAR ROUTE VDD_RF1_LNA VDD_RF1_DIG VDD_RF1_G_LO VDD_RF1_G_PLL VDD_RF3_IO +1V8_VREG_L10 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 . See next page Is it similar ? to check RF signal path. Replace Main B/D LGE Internal Use Only - 27 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 28 WTR0_PRXBB_I_N RX_BB_QP WTR0_PRXBB_Q_P C1508 100p RX_BB_QM WTR0_PRXBB_Q_N XO_IN WTR_XO_IN GNSS_BB_IP WTR0_GNSSBB_I_P GNSS_BB_IM WTR0_GNSSBB_I_N C1513 GNSS_BB_QP WTR0_GNSSBB_Q_P GNSS_BB_QM WTR0_GNSSBB_Q_N LGE Internal Use Only - 28 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 29 TX module is OK. See next page to check DPX The Problem may be Logic part Refer to Logic troubleshoot LGE Internal Use Only - 29 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 30 3. TROUBLE SHOOTING HRPF89165B (U1100) <Main Top> SW1100 C1101 2.2n C1100 100p COMMON L1100 L1101 0.5p LGE Internal Use Only - 30 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 31 GND1 GND6 GND2 GND5 GND3 GND4 GND21 GND1 R1104 SPDT_SEL PA0_R_1 WTR_TX1_OUT PA0_R_0 ANT0_SW_SEL_0 ANT0_SW_SEL_3 100p ANT0_SW_SEL_2 ANT0_SW_SEL_1 LGE Internal Use Only - 31 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 32 3. TROUBLE SHOOTING 2.140GHz Figure 3.1.1 (b) TP1 2.140GHz Figure 3.1.1 (c) TP2 LGE Internal Use Only - 32 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 33 Is any signal detected at that point? All WCDMA_B1 Rx check is complete. If the phone sill do not work ,replace main board LGE Internal Use Only - 33 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 34 <Main Top> L1611 WTR_PRX_MB1_IN L1609 3.3n C2059 B1 DPX FL1601 C1641 3.3n EAM62711201 GND1 GND6 GND2 GND5 GND3 GND4 LGE Internal Use Only - 34 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 36 * There are no Test Points on the IQ Data Line. So It is impossible to check the IQ Data Wave form LGE Internal Use Only - 36 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 37 3. TROUBLE SHOOTING (FL1602) WTR2605 (U1500) HRPF89165B (U1100) <Main Top> LGE Internal Use Only - 37 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 38 +1V8_VREG_L10 is OK? DC Po wer su pply Circuit is OK. See next Page to check XO circuit LGE Internal Use Only - 38 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 39 Tuning point (Inductor Placeholder) VDD_RF2_R_PLL VDD_RF2_XO L1501 VDD_RF1_R_VCO +1V225_VREG_L1 VDD_RF1_T_PLL VDD_RF1_T_LO VDD_RF1_R_LO STAR ROUTE VDD_RF1_LNA VDD_RF1_DIG VDD_RF1_G_LO VDD_RF1_G_PLL VDD_RF3_IO +1V8_VREG_L10 LGE Internal Use Only - 39 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 40 XO circuit is Ok. See next page Is it similar ? to check RF signal path. Replace Main B/D LGE Internal Use Only - 40 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 41 WTR0_PRXBB_I_N RX_BB_QP WTR0_PRXBB_Q_P C1508 100p RX_BB_QM WTR0_PRXBB_Q_N XO_IN WTR_XO_IN GNSS_BB_IP WTR0_GNSSBB_I_P GNSS_BB_IM WTR0_GNSSBB_I_N C1513 GNSS_BB_QP WTR0_GNSSBB_Q_P GNSS_BB_QM WTR0_GNSSBB_Q_N LGE Internal Use Only - 41 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 42 TX module is OK. See next page to check DPX The Problem may be Logic part Refer to Logic troubleshoot LGE Internal Use Only - 42 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 43 3. TROUBLE SHOOTING HRPF89165B (U1100) <Main Top> SW1100 C1101 2.2n C1100 100p COMMON L1100 L1101 0.5p LGE Internal Use Only - 43 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 44 GND6 6.8n GND2 GND5 GND3 GND4 GND21 GND1 R1104 SPDT_SEL PA0_R_1 WTR_TX1_OUT PA0_R_0 ANT0_SW_SEL_0 ANT0_SW_SEL_3 100p ANT0_SW_SEL_2 ANT0_SW_SEL_1 LGE Internal Use Only - 44 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 45 3. TROUBLE SHOOTING Center Frequency : 881.4MHz Figure 3.1.1 (b) Center Frequency : 881.4MHz Figure 3.1.1 (c) LGE Internal Use Only - 45 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 46 All WCDMA_B5 Rx check is complete. If the phone sill do not work ,replace main board Center Frequency : 881.4MHz Figure 3.1.1 (b) LGE Internal Use Only - 46 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 47 FL1602 <Main Top> B5 DPX FL1602 C1652 100p TX_MODULE_TRX_4 EAM62671701 L1604 GND1 GND6 6.8n GND2 GND5 GND3 GND4 LGE Internal Use Only - 47 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 48: Wcdma Tx Part Trouble
* There are no Test Points on the IQ Data Line. So It is impossible to check the IQ Data Wave form LGE Internal Use Only - 48 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 49 3. TROUBLE SHOOTING SKY77742 (U1602) WTR2605 (U1500) HRPF89165B (FL1600) (U1100) <Main Top> LGE Internal Use Only - 49 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 50 Refer to Logic troubleshoot DC Po wer su pply Circuit is OK. See next Page to check XO circuit LGE Internal Use Only - 50 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 51 Tuning point (Inductor Placeholder) VDD_RF2_R_PLL VDD_RF2_XO L1501 VDD_RF1_R_VCO +1V225_VREG_L1 VDD_RF1_T_PLL VDD_RF1_T_LO VDD_RF1_R_LO STAR ROUTE VDD_RF1_LNA VDD_RF1_DIG VDD_RF1_G_LO VDD_RF1_G_PLL VDD_RF3_IO +1V8_VREG_L10 LGE Internal Use Only - 51 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 52 XO circuit is Ok. See next page Is it similar ? to check RF signal path. Replace Main B/D LGE Internal Use Only - 52 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 53 WTR0_PRXBB_I_N RX_BB_QP WTR0_PRXBB_Q_P C1508 100p RX_BB_QM WTR0_PRXBB_Q_N XO_IN WTR_XO_IN GNSS_BB_IP WTR0_GNSSBB_I_P GNSS_BB_IM WTR0_GNSSBB_I_N C1513 GNSS_BB_QP WTR0_GNSSBB_Q_P GNSS_BB_QM WTR0_GNSSBB_Q_N LGE Internal Use Only - 53 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 54 The Problem may be Logic part Whether it is higher than 1.5V Refer to Logic troubleshoot Replace U1602 LGE Internal Use Only - 54 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 55 3. TROUBLE SHOOTING TP2(RF OUT) SKY77742 (U1602) TP3(+VPWR) WTR2605 (U1500) TP1(RF IN) HRPF89165B (FL1600) (U1100) <Main Top> LGE Internal Use Only - 55 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 56 GND4 VENLB PA0_ON_2 * B5 EAN62885901 RFOUTLB VMODE PA0_R_0 TP2(RF OUT) TP1(RF IN) WTR_PDET_IN C1655 6.8n L1606 2.2p LGE Internal Use Only - 56 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 58 Is any signal detected at that point? DPX is OK. See next page to check PAM 1.950GHz Figure 3.1.1 (b) LGE Internal Use Only - 58 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 59 3. TROUBLE SHOOTING <Main Top> B1 DPX FL1601 TX_MODULE_TRX_1 EAM62711201 GND1 GND6 GND2 GND5 GND3 GND4 LGE Internal Use Only - 59 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 60 TX module is OK. See next page to check DPX The Problem may be Logic part Refer to Logic troubleshoot LGE Internal Use Only - 60 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 61 3. TROUBLE SHOOTING HRPF89165B (U1100) <Main Top> SW1100 C1101 2.2n C1100 100p COMMON L1100 L1101 0.5p LGE Internal Use Only - 61 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 62 GND1 GND6 GND2 GND5 GND3 GND4 GND21 GND1 R1104 SPDT_SEL PA0_R_1 WTR_TX1_OUT PA0_R_0 ANT0_SW_SEL_0 ANT0_SW_SEL_3 100p ANT0_SW_SEL_2 ANT0_SW_SEL_1 LGE Internal Use Only - 62 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 63 3. TROUBLE SHOOTING 1.950GHz Figure 3.1.1 (b) 1.950GHz Figure 3.1.1 (c) LGE Internal Use Only - 63 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 64 * There are no Test Points on the IQ Data Line. So It is impossible to check the IQ Data Wave form LGE Internal Use Only - 64 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 65 3. TROUBLE SHOOTING SKY77742 (U1602) (FL1602) WTR2605 (U1500) HRPF89165B (U1100) <Main Top> LGE Internal Use Only - 65 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 66 +1V8_VREG_L10 is OK? DC Po wer su pply Circuit is OK. See next Page to check XO circuit LGE Internal Use Only - 66 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 67 Tuning point (Inductor Placeholder) VDD_RF2_R_PLL VDD_RF2_XO L1501 VDD_RF1_R_VCO +1V225_VREG_L1 VDD_RF1_T_PLL VDD_RF1_T_LO VDD_RF1_R_LO STAR ROUTE VDD_RF1_LNA VDD_RF1_DIG VDD_RF1_G_LO VDD_RF1_G_PLL VDD_RF3_IO +1V8_VREG_L10 LGE Internal Use Only - 67 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 68 XO circuit is Ok. See next page Is it similar ? to check RF signal path Replace Main B/D LGE Internal Use Only - 68 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 69 WTR0_PRXBB_I_N RX_BB_QP WTR0_PRXBB_Q_P C1508 100p RX_BB_QM WTR0_PRXBB_Q_N XO_IN WTR_XO_IN GNSS_BB_IP WTR0_GNSSBB_I_P GNSS_BB_IM WTR0_GNSSBB_I_N C1513 GNSS_BB_QP WTR0_GNSSBB_Q_P GNSS_BB_QM WTR0_GNSSBB_Q_N LGE Internal Use Only - 69 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 70 The Problem may be Logic part Whether it is higher than 1.5V Refer to Logic troubleshoot Replace U1602 LGE Internal Use Only - 70 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 71 3. TROUBLE SHOOTING TP2(RF OUT) SKY77742 (U1602) TP3(+VPWR) (FL1602) WTR2605 (U1500) TP1(RF IN) HRPF89165B (U1100) <Main Top> LGE Internal Use Only - 71 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 72 GND4 VENLB PA0_ON_2 * B5 EAN62885901 RFOUTLB VMODE PA0_R_0 TP1(RF IN) WTR_PDET_IN C1655 6.8n L1606 2.2p TP2(RF OUT) LGE Internal Use Only - 72 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 73 3. TROUBLE SHOOTING Center Frequency : 836.4MHz Center Frequency : 836.4MHz Figure 3.2.1.4 LGE Internal Use Only - 73 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 74 Is any signal detected at that point? DPX is OK. See next page to check PAM Center Frequency : 836.4MHz Figure 3.1.1 (b) LGE Internal Use Only - 74 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 75 (FL1602) <Main Top> B5 DPX FL1602 C1652 100p TX_MODULE_TRX_4 EAM62671701 L1604 GND1 GND6 6.8n GND2 GND5 GND3 GND4 LGE Internal Use Only - 75 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 76 TX module is OK. See next page to check DPX The Problem may be Logic part Refer to Logic troubleshoot LGE Internal Use Only - 76 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 77 3. TROUBLE SHOOTING HRPF89165B (U1100) <Main Top> SW1100 C1101 2.2n C1100 100p COMMON L1100 L1101 0.5p LGE Internal Use Only - 77 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 78 GND6 6.8n GND2 GND5 GND3 GND4 GND21 GND1 R1104 SPDT_SEL PA0_R_1 WTR_TX1_OUT PA0_R_0 ANT0_SW_SEL_0 ANT0_SW_SEL_3 100p ANT0_SW_SEL_2 ANT0_SW_SEL_1 LGE Internal Use Only - 78 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 79 3. TROUBLE SHOOTING Center Frequency : 836.4MHz Figure 3.1.1 (b) Center Frequency : 836.4MHz Figure 3.1.1 (c) LGE Internal Use Only - 79 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 80: Gsm Rx Part Troubleshooting
* There are no Test Points on the IQ Data Line. So It is impossible to check the IQ Data Wave form LGE Internal Use Only - 80 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 81 3. TROUBLE SHOOTING (FL1602) WTR2605 (U1500) HRPF89165B (U1100) <Main Top> LGE Internal Use Only - 81 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 82 +1V8_VREG_L10 is OK? DC Po wer su pply Circuit is OK. See next Page to check XO circuit LGE Internal Use Only - 82 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 83 Tuning point (Inductor Placeholder) VDD_RF2_R_PLL VDD_RF2_XO L1501 VDD_RF1_R_VCO +1V225_VREG_L1 VDD_RF1_T_PLL VDD_RF1_T_LO VDD_RF1_R_LO STAR ROUTE VDD_RF1_LNA VDD_RF1_DIG VDD_RF1_G_LO VDD_RF1_G_PLL VDD_RF3_IO +1V8_VREG_L10 LGE Internal Use Only - 83 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 84 XO circuit is Ok. See next page Is it similar ? to check RF signal path Replace Main B/D LGE Internal Use Only - 84 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 85 WTR0_PRXBB_I_N RX_BB_QP WTR0_PRXBB_Q_P C1508 100p RX_BB_QM WTR0_PRXBB_Q_N XO_IN WTR_XO_IN GNSS_BB_IP WTR0_GNSSBB_I_P GNSS_BB_IM WTR0_GNSSBB_I_N C1513 GNSS_BB_QP WTR0_GNSSBB_Q_P GNSS_BB_QM WTR0_GNSSBB_Q_N LGE Internal Use Only - 85 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 86 TX module is OK. See next page to check DPX The Problem may be Logic part Refer to Logic troubleshoot LGE Internal Use Only - 86 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 87 3. TROUBLE SHOOTING HRPF89165B (U1100) <Main Top> SW1100 C1101 2.2n C1100 100p COMMON L1100 L1101 0.5p LGE Internal Use Only - 87 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 88 GND6 6.8n GND2 GND5 GND3 GND4 GND21 GND1 R1104 SPDT_SEL PA0_R_1 WTR_TX1_OUT PA0_R_0 ANT0_SW_SEL_0 ANT0_SW_SEL_3 100p ANT0_SW_SEL_2 ANT0_SW_SEL_1 LGE Internal Use Only - 88 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 89 3. TROUBLE SHOOTING Center Frequency : 881.4MHz Figure 3.1.1 (b) Center Frequency : 881.4MHz Figure 3.1.1 (c) LGE Internal Use Only - 89 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 90 All WCDMA_B5 Rx check is complete. If the phone sill do not work ,replace main board Center Frequency : 881.4MHz Figure 3.1.1 (b) LGE Internal Use Only - 90 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 91 * B5(G850) RX FL1602 C1652 100p C1653 TX_MODULE_TRX_4 WTR_PRX_LB1_IN EAM62671701 L1604 L1607 GND1 GND6 6.8n GND2 GND5 GND3 GND4 C1656 LGE Internal Use Only - 91 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 92 * There are no Test Points on the IQ Data Line. So It is impossible to check the IQ Data Wave form LGE Internal Use Only - 92 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 93 3. TROUBLE SHOOTING WTR2605 (U1500) HRPF89165B (FL1101) (U1100) <Main Top> LGE Internal Use Only - 93 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 94 +1V8_VREG_L10 is OK? DC Po wer su pply Circuit is OK. See next Page to check XO circuit LGE Internal Use Only - 94 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 95 Tuning point (Inductor Placeholder) VDD_RF2_R_PLL VDD_RF2_XO L1501 VDD_RF1_R_VCO +1V225_VREG_L1 VDD_RF1_T_PLL VDD_RF1_T_LO VDD_RF1_R_LO STAR ROUTE VDD_RF1_LNA VDD_RF1_DIG VDD_RF1_G_LO VDD_RF1_G_PLL VDD_RF3_IO +1V8_VREG_L10 LGE Internal Use Only - 95 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 96 XO circuit is Ok. See next page Is it similar ? to check RF signal path Replace Main B/D LGE Internal Use Only - 96 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 97 WTR0_PRXBB_I_N RX_BB_QP WTR0_PRXBB_Q_P C1508 100p RX_BB_QM WTR0_PRXBB_Q_N XO_IN WTR_XO_IN GNSS_BB_IP WTR0_GNSSBB_I_P GNSS_BB_IM WTR0_GNSSBB_I_N C1513 GNSS_BB_QP WTR0_GNSSBB_Q_P GNSS_BB_QM WTR0_GNSSBB_Q_N LGE Internal Use Only - 97 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 98 TX module is OK. See next page to check Saw Filter The Problem may be Logic part Refer to Logic troubleshoot LGE Internal Use Only - 98 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 99 3. TROUBLE SHOOTING HRPF89165B (U1100) <Main Top> SW1100 C1101 2.2n C1100 100p COMMON L1100 L1101 0.5p LGE Internal Use Only - 99 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 100 GND21 C1113 942.5MHz C1112 C1114 4.7u GND21 GND1 R1104 SPDT_SEL PA0_R_1 WTR_TX1_OUT PA0_R_0 ANT0_SW_SEL_0 ANT0_SW_SEL_3 100p ANT0_SW_SEL_2 ANT0_SW_SEL_1 LGE Internal Use Only - 100 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 101 3. TROUBLE SHOOTING Center Frequency : 942.6MHz Figure 3.1.1 (b) Center Frequency : 942.6MHz Figure 3.1.1 (c) LGE Internal Use Only - 101 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 102 All GSM900 Rx check is complete. If the phone sill do not work ,replace main board Center Frequency : 942.6MHz Figure 3.1.1 (b) LGE Internal Use Only - 102 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 103 GND19 G900 TX_MODULE_TRX_4 TRX4 L1110 C1178 GND20 * B5 TRX (G850RX) VBATT GND21 C1113 942.5MHz C1112 C1114 4.7u LGE Internal Use Only - 103 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 104 * There are no Test Points on the IQ Data Line. So It is impossible to check the IQ Data Wave form LGE Internal Use Only - 104 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 105 3. TROUBLE SHOOTING WTR2605 (U1500) HRPF89165B (FL1101) (U1100) SAW Filter (FL1000) <Main Top> LGE Internal Use Only - 105 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 106 +1V8_VREG_L10 is OK? DC Po wer su pply Circuit is OK. See next Page to check XO circuit LGE Internal Use Only - 106 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 107 Tuning point (Inductor Placeholder) VDD_RF2_R_PLL VDD_RF2_XO L1501 VDD_RF1_R_VCO +1V225_VREG_L1 VDD_RF1_T_PLL VDD_RF1_T_LO VDD_RF1_R_LO STAR ROUTE VDD_RF1_LNA VDD_RF1_DIG VDD_RF1_G_LO VDD_RF1_G_PLL VDD_RF3_IO +1V8_VREG_L10 LGE Internal Use Only - 107 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 108 XO circuit is Ok. See next page Is it similar ? to check RF signal path Replace Main B/D LGE Internal Use Only - 108 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 109 WTR0_PRXBB_I_N RX_BB_QP WTR0_PRXBB_Q_P C1508 100p RX_BB_QM WTR0_PRXBB_Q_N XO_IN WTR_XO_IN GNSS_BB_IP WTR0_GNSSBB_I_P GNSS_BB_IM WTR0_GNSSBB_I_N C1513 GNSS_BB_QP WTR0_GNSSBB_Q_P GNSS_BB_QM WTR0_GNSSBB_Q_N LGE Internal Use Only - 109 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 110 TX module is OK. See next page to check Saw Filter The Problem may be Logic part Refer to Logic troubleshoot LGE Internal Use Only - 110 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 111 3. TROUBLE SHOOTING HRPF89165B (U1100) <Main Top> SW1100 C1101 2.2n C1100 100p COMMON L1100 L1101 0.5p LGE Internal Use Only - 111 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 112 L1108 0.5p L1109 L1107 1842.50MHz/1960.00MHz C1106 GND21 GND1 R1104 SPDT_SEL PA0_R_1 WTR_TX1_OUT PA0_R_0 ANT0_SW_SEL_0 ANT0_SW_SEL_3 100p ANT0_SW_SEL_2 ANT0_SW_SEL_1 LGE Internal Use Only - 112 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 114 Is any signal detected at that point? Check C1105, C1174, L1106 SAW filter is OK. Replace main B/D. Figure 3.1.1 (b) LGE Internal Use Only - 114 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 115 * G1800, G1900 RX EAM62792801 L1105 1.8n C1174 L1106 3.3p 2.7n WTR_PRX_MB3_IN GSM1900_OUT GSM1800/1900_IN L1108 0.5p L1109 L1107 1842.50MHz/1960.00MHz C1106 LGE Internal Use Only - 115 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 116: Gsm Tx Part Troubleshooting
* There are no Test Points on the IQ Data Line. So It is impossible to check the IQ Data Wave form LGE Internal Use Only - 116 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 117 3. TROUBLE SHOOTING WTR2605 (U1500) HRPF89165B (U1100) <Main Top> LGE Internal Use Only - 117 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 118 +1V8_VREG_L10 is OK? DC Po wer su pply Circuit is OK. See next Page to check XO circuit LGE Internal Use Only - 118 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 119 Tuning point (Inductor Placeholder) VDD_RF2_R_PLL VDD_RF2_XO L1501 VDD_RF1_R_VCO +1V225_VREG_L1 VDD_RF1_T_PLL VDD_RF1_T_LO VDD_RF1_R_LO STAR ROUTE VDD_RF1_LNA VDD_RF1_DIG VDD_RF1_G_LO VDD_RF1_G_PLL VDD_RF3_IO +1V8_VREG_L10 LGE Internal Use Only - 119 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 120 XO circuit is Ok. See next page Is it similar ? to check RF signal path Replace Main B/D LGE Internal Use Only - 120 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 121 WTR0_PRXBB_I_N RX_BB_QP WTR0_PRXBB_Q_P C1508 100p RX_BB_QM WTR0_PRXBB_Q_N XO_IN WTR_XO_IN GNSS_BB_IP WTR0_GNSSBB_I_P GNSS_BB_IM WTR0_GNSSBB_I_N C1513 GNSS_BB_QP WTR0_GNSSBB_Q_P GNSS_BB_QM WTR0_GNSSBB_Q_N LGE Internal Use Only - 121 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 122 Replace U1000 TX module is OK. Replace Main B/D The Problem may be Logic part Refer to Logic troubleshoot LGE Internal Use Only - 122 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 123 3. TROUBLE SHOOTING TP1(RF IN) WTR2605 TP3(+VPWR) (U1500) HRPF89165B (U1100) TP2(RF OUT) <Main Top> LGE Internal Use Only - 123 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 124 * B5 TRX (G850RX) VBATT GND21 C1113 942.5MHz C1112 4.7u TP3(+VPWR) R1104 SPDT_SEL WTR_TX1_OUT ANT0_SW_SEL_0 100p ANT0_SW_SEL_1 TP1(RF IN) LGE Internal Use Only - 124 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 125: Power
Check PM8110 +VPWR Voltage level? R4109(Check PM8110) Check PM8110 RTC CLOCK Change PM8110 And Return to Check Battery connector (CN70001) Start LGE Internal Use Only - 125 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 126 CN9100 BATTERY CONNECTOR(CN9100) R9104 150K VREF_BAT_THERM R9102 VBAT_THERM BAT_ID R9106 VREF_BAT_THERM R9105 4.7K C9104 EAG63370901 VA9101 KQ03L2-4R VA9100 LGE Internal Use Only - 126 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 127 Rev 0.4 L4111 +1V05_VSW_S2 Rev 0.4 Rev 0.5 L4112 470n AP DC/DC INDUCTOR(L4112) +1V35_VSW_S3 L4113 2.2u +2V1_VSW_S4 L4114 2.2u LGE Internal Use Only - 127 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 128 3. TROUBLE SHOOTING VPWR DC/DC INDUCTOR(L41110) AP DC/DC INDUCTOR(L4112) Core DC/DC INDUCTOR(L4111) PWR KEY(R12000) BATTERY CONNECTOR(CN500) <Main Top> LGE Internal Use Only - 128 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 129: Charging
R9104 150K VREF_BAT_THERM R9102 VBAT_THERM BAT_ID R9106 VREF_BAT_THERM R9105 4.7K C9104 EAG63370901 VA9101 KQ03L2-4R VA9100 C4118(TP1) <Main Top> LGE Internal Use Only - 129 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 130 Is it charging properly After turning on? Change the PMIC (U4100 ) Connection OK? Change the Main PCB LGE Internal Use Only - 130 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 131: Usb Ts
Main PCB Filter Change Filter( FL9201 ) Is the signal ok for USB+ & - ? Change the Main PCB LGE Internal Use Only - 131 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 132: Audio
3.8.1 Overview Audio Block Diagram MSM8210 (AP) MIC1 MIC1 MIC1 MIC1 MIC2 MIC2 FM RADIO EAR_L/R 3.5 pi SPK_DRV LGE Internal Use Only - 132 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 133 Hear the sound to the Speaker? Change Speaker Module? Check Main PCB.TP1(C6700, C6701, L6700, L6701, VA12006,VA12007) Speaker Sound OK? Change Main Board LGE Internal Use Only - 133 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 135 L6700 SPK_P CN13002 FEED L6701 SPK_N CN13003 FEED TP1(C6700, C6701, L6700, 2108611-5 L6701, VA12006,VA12007) C6700 C6701 4.7n 4.7n LGE Internal Use Only - 135 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 136 Change Receiver Module. Can you hear a sound? Check main board part TP1 L6450, L6451 Change Main Board LGE Internal Use Only - 136 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 137 You must check first voice recording test. After voice recording you can hear a recording sound, receiver path or parts is something wrong. LGE Internal Use Only - 137 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 138 Voice signal OK? Check parts about Mic Bias Mic works well? Change MSM8210(U2100) Mic works well? Change Main Board LGE Internal Use Only - 138 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 139 MIC_BIAS_1 Check MIC_BIAS_1 voltage level (R6919) C6925 2.2u MIC_IN1_P R6921 C6920 MIC6920 MIC_IN1_N R6922 C6924 C6921 VA6900 VA6901 LGE Internal Use Only - 139 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 140 Check parts about Mic Bias Mic works well? Change Mic (MIC9000) Mic works well? Change MSM8210(U2100) Mic works well? Change Main Board LGE Internal Use Only - 140 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 141 MIC_BIAS_1 Check MIC_BIAS_1 voltage level (R6909) C6915 2.2u MIC_IN3_P R6911 C6910 MIC6921 MIC_IN3_N R6912 C6914 C6911 VA6902 VA6903 LGE Internal Use Only - 141 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 142 Check the left signal and detection line short when headset inserted? Change MSM2100(U2100). Mic works well? Change Main Board LGE Internal Use Only - 142 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 143 C9035 C9037 R9005 MIC_BIAS_2 R9014 R9013 MIC_BIAS_1 1.2K HPH_REF R9018 MIC_IN2_N 0603 change Same for all W/X series LGE Internal Use Only - 143 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 144 Change Ear Jack Connector. Sound play via headset? Check MSM8210(U2100). Works well? Change Main Board LGE Internal Use Only - 144 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 145 3. TROUBLE SHOOTING Case B. No Sound from Headset U2100 <Main Top> LGE Internal Use Only - 145 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 146: Axis Sensor
SENSOR0_I2C_SCL U12001 ACCEL_INT INT1 VDDIO BMC150 INT2 EAN62637201 GND3 COMPASS_INT DRDY C12002 C12006 0.1u 0.1u 6 AXIS Sensor LGE Internal Use Only - 146 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 147 Change the 6 AXIS Sensor IC (U12001) 6 AXIS Sensor function is OK? Change the main board 6 AXIS Sensor function is OK? LGE Internal Use Only - 147 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 149: Proximity Sensor
Check +2V85_VERG_L19( C12003 ) & I2C_SENSOR_SDA & SCL & PROX__INT Output work well? Change the main board Function is OK? LGE Internal Use Only - 149 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 150 R12004 4.7K U12002 R12005 SENSOR0_I2C_SDA Sensor Power: PROXIMITY_INT SENSOR0_I2C_SCL (C12003) LEDK LEDA VA12101 C12003 C12004 VA12100 EAN62646301 APDS-9130-200 LGE Internal Use Only - 150 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 151: Touch Sensor Trouble Shooting
Check I2C Line & Signal Line (R2202 &R2203) Touch Works OK? Change Touch IC(U7200) Touch Works OK? Change Main Board LGE Internal Use Only - 151 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 152: Vibrator Trouble Shooting
Reconnect Connector and check Vibrator. Change PM8110(U4100) Check Power 3.0V Motor Power is OK? Change IC Vibrator Works well? Change Main Board LGE Internal Use Only - 152 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 153 <Main Top> +VPWR VB9910 L9910 C9910 D9910 EAU62283801 PMIC_VIB_N L9911 C12000 C13018 C13017 2.2u 150p 150p ZD9721 Motor LGE Internal Use Only - 153 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 154: Main Camera Ts
Check the camera signals MCLK(R2200),MIPI_ Change the Main board CLK(FL8002), MIPI_DATA(FL8003) Change the Camera Camera is OK ? LGE Internal Use Only - 154 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 155 C8011 VA8004 C8009 C8010 VA8002 VA8003 D8001 D8002 2.2u 2.2u 4.7u 4.7u IOVDD: C8009 100pF,15.5V 12V,6.5pF DVDD: C8011 LGE Internal Use Only - 155 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 156 3. TROUBLE SHOOTING MCLK: C2200 <Main Top> DVDD: C8011 IOVDD: C8009 AVDD:C8010 MIPI_DATA(FL8003) MIPI_CLK FL8002 (TP5) <Main Bot> LGE Internal Use Only - 156 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 157: Main Lcd Ts
Change the LCD Module MIPI_DATA (FL8001), MIPI_CLK (FL8000) LT8542(U8001) output LEDA(C8013) Change the Main Board The LCD works LGE Internal Use Only - 157 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 158 COMMON_I2C_SCL COMMON_I2C_SDA Width : 0.3mm LCD_LED_C FLASH_STROBE_TRIG STROBE LED1_B LED2_B TX_GTR_THRESH LED1_F LCD_PWM LED2_F LD8000 R8004 R8003 EAV62175401 LGE Internal Use Only - 158 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 159 3. TROUBLE SHOOTING LCD_LED_A:C8013 <Main Top> MIPI_DATA: FL8000 +2V85_VREG_L19 : C8006 +1V8_VREG_L14 : C8003 MIPI_CLK: FL8001 <Main Bot> LGE Internal Use Only - 159 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 160: Bt/Wifi Ts
3. TROUBLE SHOOTING 3.15 BT/Wifi TS U5100 WCN3620 <Main Top> ANT5101 <Main Bot> LGE Internal Use Only - 160 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 161 L5101 FM_HS_RX FM_ANT FM_SSBI FM_SSBI FM_DATA FM_DATA C5110 C5127 U5100 5.6p BT_CTL BT_CTL WCN3620 BT_SSBI BT_SSBI BT_DATA BT_DATA LGE Internal Use Only - 161 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 162 Check the signal level at TP3 (L5104) Replace ANT5101 Check the Antenna Clip (ANT5101) BT-WiFi will work properly LGE Internal Use Only - 162 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 163: Gps Ts
3. TROUBLE SHOOTING 3.16 GPS TS FL1106 U4100 PM8110 U1500 WTR2605 <Main Top> CN1105 <Main Bot> LGE Internal Use Only - 163 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 164 L1132 5.6n C1173 FL1107 WTR_GNSS_RF_IN_1 RFIN RFOUT EAN62826801 G1 G2 G3 1.8n SFMG2BAD001 C1152 L1128 L1129 LNA+Post Filter LGE Internal Use Only - 164 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 165 Check the signal level at TP4 (L1133) Replace CN1105 Check the Antenna Clip TP2 (CN1105) GPS will work properly LGE Internal Use Only - 165 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 166: Fm Ts
3.17 FM TS <Main Bot> EAR_MIC_JACK FM_ANT C9021 FB9006 1800 HPH_R_OUT FB9005 1800 HPH_L_OUT EAR_SENSE_JACK C9035 C9037 C9036 LGE Internal Use Only - 166 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 167 Replace U5100 Check the Signal level at TP1 (C9021) Replace U2100 Check Bias Voltage Good? FM will work properly LGE Internal Use Only - 167 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 168: Dtv
C5309 U5300 MTV222 C5318 L5309 C5310 TP5307 TP5302 C5316 C4135 C4146 <Main Bot> R9600 R9601 LGE Internal Use Only - 168 - Copyright © 2014 LG Electronics. Inc. All right reserved. R2108 Only for training and service purposes C3324 C3316...
Page 169 VDDVCO XTALP 1RAA19200AAA XTAL2 SENSOR 1SEG_CLK_OUT C5314 GND1 XTAL1 C5319 19.2MHz C5315 C5313 C5318 C5310 R5001 +1V8_VREG_L6 C5311 LGE Internal Use Only - 169 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 170 Check the Signal level at TP3 (L5301) Replace FL5300 Check the Signal level at TP4 (L5308) DTV will work properly LGE Internal Use Only - 170 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 171: Download
Ver_3.8.1 Please Check the Version to “B2B” Name Part No. D/L Cable Micro 5P (56-open-910K) USB DLC RAD32167835 LGE Internal Use Only - 171 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 173 4. DOWNLOAD LGD385 LGD385_20140326_LGFLASHv160_Download.zip LGD385 LGE Internal Use Only - 173 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 183 4. DOWNLOAD LGD385 LGD385_20140326_LGFLASHv160_Download LGD385_20140326_LGFLASHv160_Download LGD385 LGD385AT-00-V10a-SSV-XXX-JUN-03-2013+0.tot LGD385 LGE Internal Use Only - 183 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 184 4. DOWNLOAD LGD385 LGD385_20140326_LGFLASHv160_Download LGD385 LGD385AT-00-V10a-SSV-XXX-JUN-03-2013+0.tot LGD385 LGD385 LGE Internal Use Only - 184 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 186 4. DOWNLOAD LGD385 LGD385 LGD385 LGD385_20140326_LGFLASHv160_Download LGE Internal Use Only - 186 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 187 4. DOWNLOAD LGD385 LGD385 LGD385_20140326_LGFLASHv160_Download LGD385 LGE Internal Use Only - 187 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 188: Block Diagram
5V_USB Ear-Jack - Home Audio Interface KPD_PWR_N - SPKR_DRV (P/N) USB Con. - RCV (P/N) - HPH (P/N) LGE Internal Use Only - 188 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 189 RX_LB3_IN (DCS, PCS) [RX_GSM1900] WTR_PRX_LB_2_IN RX SAW [RX_GSM900] TRX3 RX_LB2_IN FILTER [TX_GSM QUAD] WTR_TX1_OUT WTR_GNSS_RF_IN_1 TX1_OUT RF_IN GNSS_RF_IN LGE Internal Use Only - 189 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 190 RX SAW [RX_GSM850 or GSM900] WTR_PRX_LB_2_IN TRX3 RX_LB2_IN FILTER Low Band TX_MODULE_TRX_4 WTR_PRX_LB_1_IN TRX4 RX_LB1_IN DUPLEXER [RX_GSM900 or GSM850] LGE Internal Use Only - 190 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 191 HB : 1,2 Tx_B5, B8 B5 B8 WTR PDET IN WTR_PDET_IN LB : 5,8 PDET_RFFB_IN TX_MODULE_TRX_4 TRX4 DUPLEXER RX_LB1_IN WTR_PRX_LB_1_IN LGE Internal Use Only - 191 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 192 BT_CTL BT_CTL GPIO_30 BT_DATA BT DATA GPIO_31 FM_SSBI FM SSBI GPIO_28 WCN_TCXO_IN FM_DATA TCXO_IN FM DATA GPIO_29 PM8110 LGE Internal Use Only - 192 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 193 ~4.9V/50mA VDD_USB_3P3 VDD_MIC_BIAS ~4.9V/150mA +2V95_VREG_L21 VDD_P2 +2V85_VREG_L22 ~4.9V/150mA VDD_P4 LCD B/L Prox Hall GSM PAM/IC WCN3620 RGB IC LGE Internal Use Only - 193 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 194 XO IN XO_IN RF CLK1 RF_CLK1 WCN3620 (BT/WLAN/FM) 19.2MHz RF_CLK2 TCXO_IN WLAN_CMD_CLK 19.2MHz CI item XTALN MTV222 (Dtv) GPD0 LGE Internal Use Only - 194 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 195 M i MIC(NB) Main MIC(NB) MIC_IN1_P C-MIC -44dB +/-2dB MIC_BIAS_1 Sub MIC(NB) MIC IN3 P MIC_IN3_P C-MIC -44dB +/-2dB LGE Internal Use Only - 195 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 196 VT_CAM_MIPI_DATA0_N VGA Camera VT_CAM_PWDN GPIO_67 GPIO_15 VT_CAM_RESET_N GPIO_14 VT_CAM_MCLK GPIO_16 CAM0_I2C_SDA GPIO 17 GPIO_17 CAM0 I2C SCL CAM0_I2C_SCL LGE Internal Use Only - 196 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 197 GPIO36 USIM2_CLK GPIO33 USIM2_RESET_N GPIO34 eMMC_CLK USIM2_DATA GPIO32 SDC1_CLK MSM_RESOUT RESET RESOUT_N eMMC_CMD SDC1_CMD eMMC_DATA[0:7] SDC1_DATA DAT[0:7] VCCQ LGE Internal Use Only - 197 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 198 GPIO_0 RESET TOUCH ATTN N TOUCH_ATTN_N GPIO_1 ATTN PULL-UP TOUCH_I2C_SCL GPIO_3 I2C_SCL TOUCH_I2C_SDA GPIO_2 I2C_SDA TOUCH_MAKER_ID GPIO_76 HaLL_INT LGE Internal Use Only - 198 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 199: Circuit Diagram
C1173 FL1107 WTR_GNSS_RF_IN_1 RFIN RFOUT EAN62826801 1.8n G1 G2 G3 SFMG2BAD001 C1152 L1128 L1129 LNA+Post Filter GND CONTACT - 199 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 200 GND7 VDD_RF1_R_LO GND9 STAR ROUTE VDD_RF1_LNA GND10 VDD_RF1_DIG GND12 VDD_RF1_G_LO GND11 VDD_RF1_G_PLL GND13 GND14 VDD_RF3_IO GND15 +1V8_VREG_L10 GND16 - 200 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 201 B1 HPM B1 LPM Shunt cap must be<=33pF guarantee LNA gain setting time PT2000 100K PA_THERM_0 C2057 R2003 220K - 201 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 202 * Note C2109 C2110 Install bypass capacitors on IREF to GND as needed to filter out signal noise. - 202 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 203 GPIO_61, 62, 85, 90, 92, 98, 99, 100 2. The boot-up problem may happen by external pull-up circuit on these secure-boot related GPIOs - 203 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 204 AN3 pin can support WLAN clock for 5GHz support and analog power input for audio codec by alternative function. - 204 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 205 DLA_3 DLA_6 DLA_3 DLA_6 DLA_4 DLA_5 DLA_4 DLA_5 NC_1 NC_4 U2100 AA33 AY40 NC_2 NC_5 MSM8210 NC_3 PID1 - 205 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 206 VSS8 VDD1_4 0.47u VDD2_1 VDD2_2 VDD2_3 VDD2_4 +1V2_VREG_L2 VDD2_5 VDD2_6 C3323 C3324 C3325 C3326 0.47u 0.47u 0.47u R3309 - 206 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 207 100K 0.505 100K 0.680 100K 0.771 PCB_REVISION 100K 0.900 100K 100K 130K 1.017 TOL=0.01 1.800 100K 100K 0.000 - 207 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 208 Note: If a decoupling capacitor of a pseudo capless LDO does not add up to 1uF on the load side, install the capacitor close to the PMIC. BACKUP BATT VCOIN 47uF C4157 - 208 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 209 COMMON_I2C_SCL COMMON_I2C_SDA Width : 0.3mm LCD_LED_C FLASH_STROBE_TRIG STROBE LED1_B LED2_B TX_GTR_THRESH LED1_F LCD_PWM LED2_F LD8000 R8003 R8004 EAV62175401 - 209 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 210 C5100 C5101 C5105 C5107 C5108 C5109 C5111 C5112 C5113 C5114 C5102 470n 470n 100p 100p 4.7u Isolated GND - 210 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 211 VDDVCO XTALP 1RAA19200AAA XTAL2 SENSOR 1SEG_CLK_OUT C5314 GND1 XTAL1 19.2MHz C5319 C5315 C5313 C5318 C5310 R5001 +1V8_VREG_L6 C5311 - 211 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 212 HPH_REF R9018 MIC_IN2_N 0603 change Same for all W/X series DNI_EAN62512901 U9003 +VPWR VOUT MIC_BIAS_2 AUDIO_LDO_EN C9034 C9033 - 212 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 213 When USE) TVS devices's Working Voltage must be greater than the Path voltage MIC_BIAS_1 C6915 2.2u MIC_IN3_P R6911 C6910 MIC6921 MIC_IN3_N R6912 C6914 C6911 VA6902 VA6903 - 213 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 214 LCD_MIPI_CLK_P LCD_PWM FL8001 C8003 C8004 C8007 C8006 100n 2.2u 100n 40pF,18V Pin Map & Conn. Change : 0614 - 214 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 215 C7202 C7200 C7201 2.2u 0.1u 0.1u TX10 TX11 100pF,Clamping : 15.5V TX12 TX13 TX14 R7202 +1V8_VREG_L14 ENBY0036201 R7203 - 215 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 216 CAM_LDO_EN 6.3V C8016 C8017 C8018 VT_CAM_MIPI_CLK_N VT_CAM_MIPI_CLK_P 2.2u 2.2u VT_CAM_MIPI_DATA0_N VT_CAM_MIPI_DATA0_P FL8004 NEW VGA Camera P/N : EBP61941701 - 216 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 217 2. Over 100uF totally on Vbat line Use the TVS diode of VR=5V, when TVS diode have to use for ESD - 217 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 218 C10004 C10005 GND1 GND4 GND2 GND3 DNI_EAG63032701 15pF,35V 100pF,15.5V 100pF,15.5V 15pF,35V Need to Change Varistor DNI for BOM - 218 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 219 DGMS Checklist spec : 30pF under, recommand : 10pF Card Detect SD_CARD_DET Card Installed 1.8V Card Not Installed - 219 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 220 VA12000 R12002 KEYPAD_SENSE_1 0531 change VOL_DOWN 12.3V,65pF,150W CN12000 VA12001 VA12002 0531 change 12.3V,65pF,150W POWER key module SideKey Module - 220 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 221 EAG63510401 12.3V,65pF,150W PM_USB_ID : Direct connection to USB connector C9202 to detect ID when MSM PHY is off - 221 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 222: Bga Pin Map
7. BGA PIN MAP 7. BGA PIN MAP U2100 (MSM8210) 00 (MSM8210) ot Used Not Used LGE Internal Use Only - 222 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 226 7. BGA PIN MAP U5100 (WCN3620) U5100 (WCN3620) Not Used Not Used LGE Internal Use Only - 226 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 228 7. BGA PIN MAP 1 (RT8542) U8001 (RT8542) Not Used Used ALL USED PIN LGE Internal Use Only - 228 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 229: Pcb Layout
C6920 R6923 R6920 VA6901 VA6900 CN1100 CN13003 L6701 CN13002 L6700 MIC6920 : Microphone - no Mic MIC6920 LG-D385_MAIN_EAX65724301_1.0_TOP - 229 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 230 - no Charging CN13004 C1172 D9203 L1143 FL9201 D9202 C1167 - no Data Connection - no Download CN9200 LG-D385_MAIN_EAX65724301_1.0_BOT - 230 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 231: Calibration
2. Port Setting (Refer to Attached image) 1) Uart Port2 : Use the “LGE CDMA USB Serial Port” LGE Internal Use Only - 231 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 233 9. CALIBRATION D385 MS695 [TachyonV48] LGD385 20140327 ALL File Calibration [Tachyon36]LGMS695_20120213_Calibration D385 LGE Internal Use Only - 233 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 239 (P/No : BJAY0024004 ) 5.2V MS-156C “RIF-200 and phone” 5P E-SATA DC_Plug are connected in No: RAD32167861 5P E-SATA DC_Plug LGE Internal Use Only - 239 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 247 9. CALIBRATION D385 MS695 MS695 D385 D385 D385 D385 D385 D385 D385 LGE Internal Use Only - 247 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 250: Hidden Menu
Start the desired menu: Menu, click Version Info Classified Information representation -> Hidden Menu -> Settings -> Version Info LGE Internal Use Only - 250 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 251 Allauto Test : -> You can test all functions automatically Auto All Test Result -> You can check Test Results LGE Internal Use Only - 251 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 252 Proximity Sensor : Blind the Proximity sensor Main Camera Test – Snapshot Touch screen to capture VT Camera Test LGE Internal Use Only - 252 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 253 Camera Test - Camcoding Camera is recoding for 5 seconds 2D LCD Display Test Check Black & White Color Sound Test LGE Internal Use Only - 253 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 254 Draw a guide line Motion Sensor Test Check 3 positions -> Position side -> Position horizontally -> Position Vertically LGE Internal Use Only - 254 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 255 Bluetooth Scanning is PASS : OK WiFi Scanning is PASS : OK OneSeg test DTV is PASS : OK LGE Internal Use Only - 255 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 256 Sound Loopback Test “On” is test mode on “Off” is test mode off Can check Receiver mode, SPK mode. LGE Internal Use Only - 256 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 257: Disassemble Guide
11. DISASSEMBLE GUIDE 11. DISASSEMBLE GUIDE 1. Disassemble Battery Cover Take apart the battery cover using notch left low part LGE Internal Use Only - 257 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 258 11. DISASSEMBLE GUIDE 2. Disassemble Battery & Screw Take apart the battery and remove screw (11 point) LGE Internal Use Only - 258 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 259 1. Using a finger, in the left of the phone and unhook bottom, right and top (you should unhook inside to outside / Back view) LGE Internal Use Only - 259 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 260 PCB 1. Take connectors (1~2) out of the Main PCB 2. Take apart the Main PCB LGE Internal Use Only - 260 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 262: Exploded View & Replacement Part List
ABH00 Button Assembly Camera Module EBP01 MBG00 Button,Side Rechargeable Battery,Lithium Ion EAC00 AGU00 Plate Assembly Cover Assembly,Battery ACQ00 - 262 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 263: Replacement Parts
MEZ000900 MLAB0001102 After Service USASV DIA 4.0 PRINTING, MOLD ACRYL LGD385.ABTMWH ZZ:Without Color MKC009400 Window,Camera MKC64898801 W6_D385_WINDOW CAMERA LGE Internal Use Only - 263 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 264 MJN68770401 W6_TAPE_LCD_FPCB1 COMPLEX LGD385.ABTMWH ZZ:Without Color MJN000003 Tape MJN68770201 W6_TAPE_BUTTON_VOL COMPLEX LGD385.ABTMWH ZZ:Without Color MEV000000 Insulator MEV64697601 W6_INSULATOR_PWR_KEY LGE Internal Use Only - 264 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 265 MDS000000 Gasket MDS64810701 D385 GASKET, FRONT 1 COMPLEX LGD385.ABTMWH ZZ:Without Color MDS000001 Gasket MDS64830201 D385 GASKET, FRONT 2 LGE Internal Use Only - 265 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 266 PRINTING LGP714.EEPTBK ZZ:Without Color MEZ084100 Label,Unit Box MEZ63874703 Lacre Gift Box PRINTING LGC333.EBRABK ZZ:Without Color MEZ047200 Label,Master Box MEZ64781701 LGE Internal Use Only - 266 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 267 MOLD PC LGD385.ABTMBK BK:BLACK BLACK MCK004100 Cover,Battery MCK67973302 L80_D385 BATTERY COVER BK MGJ000000 Plate MGJ63630001 PRESS STS 0.25 LGD801BK.ATMOBK BK:Black - LGE Internal Use Only - 267 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 268 PCB Assembly EBR071800 EBR78377901 LGD385.ABTMBK 1.1 Main Main,SMT SAD010000 Software,Mobile SAD34304901 Android KK Base D38510a - BRAZIL QCT - LGE Internal Use Only - 268 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 269 ECCH0017301 45TO+85C 0603 R/TP - SAMSUNG ELECTRO- C3320 Ceramic,Chip MECHANICS CO., LTD. C3321 C3323 C4183 C4186 C4188 C9600 LGE Internal Use Only - 269 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 270 CL05A225MQ5NSNC 2.2uF 20% 6.3V X5R - C8006 Capacitor ECCH0000198 55TO+85C 1005 R/TP . SAMSUNG ELECTRO- C8009 Ceramic,Chip MECHANICS CO., LTD. C8010 LGE Internal Use Only - 270 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 271 F981A476MSAFZH 47uF 20% 10V 9.4UA - Capacitor C9100 EAE62748401 55TO+125C 5OHM 2.2X1.25X0.9MM NONE SMD TA,Conformal R/TP 0.9T max. UNITEL ELECTRONICS CO. LTD. LGE Internal Use Only - 271 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 272 R8011 ROHM. R9016 R9107 VA8004 ICVS0505500FR 5.6V 0% 50F 1.0*0.5*0.55 - SMD Varistor SEVY0005402 VA9100 R/TP INNOCHIPS TECHNOLOGY LGE Internal Use Only - 272 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 273 LQG15HS82NJ02D 82NH 5% - 150mA 1.2OHM Inductor L6450 ELCH0003841 700MHZ 8 SHIELD NONE 1.0X0.5X0.5MM R/TP Multilayer,Chip L6451 MURATA MANUFACTURING CO.,LTD. LGE Internal Use Only - 273 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 274 MANUFACTURING CO.,LTD. C2365 ICMEF112P500MFR COMMON MODE NOISE FL9201 Filter,EMI/Power EAM62272401 FILTER 0HZ 0.0000000000001F 0H SMD R/TP - INNOCHIPS TECHNOLOGY LGE Internal Use Only - 274 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 275 LTD. IECS0505C040FR 10V 0% 4E-12F 1.0x0.5x0.3 VA9101 Varistor SEVY0010501 IEC61000-4-1 (ESD) level #4 SMD R/TP ZD6605 INNOCHIPS TECHNOLOGY LGE Internal Use Only - 275 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 276 CL03A104KP3NNNC 0.0000001F 10% 10V X5R - Capacitor C8007 EAE62286801 55TO+85C 0603 R/TP 0.3 - SAMSUNG Ceramic,Chip C9101 ELECTRO-MECHANICS CO., LTD. LGE Internal Use Only - 276 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 277 C12002 Capacitor C1005JB0J104KT000F 0.1uF 10% 6.3V X5R - ECCH0002001 C12006 Ceramic,Chip 30TO+85C 1005 R/TP - - TDK CORPORATION LGE Internal Use Only - 277 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 278 Main,SMT Top IECS0505C040FR 10V 0% 4E-12F 1.0x0.5x0.3 VA9101 Varistor SEVY0010501 IEC61000-4-1 (ESD) level #4 SMD R/TP ZD6605 INNOCHIPS TECHNOLOGY LGE Internal Use Only - 278 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 279 MANUFACTURING CO.,LTD. Capacitor C0603C0G1H101JT00NN 100pF 5% 50V C0G - C9102 ECCH0009103 Ceramic,Chip 55TO+125C 0603 R/TP - - TDK CORPORATION LGE Internal Use Only - 279 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 280 1005GC2T6N8JLF 6.8NH 5% - 250mA 0.32OHM Inductor L1141 ELCH0004713 3GHZ 8 SHIELD NONE 1.0X0.5X0.5MM R/TP Multilayer,Chip PILKOR ELECTRONICS LTD. LGE Internal Use Only - 280 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 281 4P EUSY0373901 RP103K301D-TR. RICHO PIN U4134 LDO Voltage EAN62512901 TO PIN TEXAS INSTRUMENTS KOREA LTD, Regulator HONGKONG BRANCH. LGE Internal Use Only - 281 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 282 0.25OHM 6GHZ 13 SHIELD - 0.6X0.3X0.3MM R/TP L1603 Multilayer,Chip MURATA MANUFACTURING CO.,LTD. 1RAA19200AAQ 19.2MHZ 10PPM 7pF 2520 SMD X5300 Crystal EAW62063901 R/TP DAISHINKU CORPORATION. LGE Internal Use Only - 282 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 283 CL05A106MP5NUNC 10uF 20% 10V X5R - Capacitor C5113 EAE62502901 55TO+85C 1005 R/TP 0.55T max. SAMSUNG Ceramic,Chip C5116 ELECTRO-MECHANICS CO., LTD. LGE Internal Use Only - 283 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 284 0603GC3T6N8JLF 6.8NH 5% - 150mA - - 0.7OHM C1655 Inductor EAP62347501 3.6GHZ 6 SHIELD - 0.6X0.3X0.3MM R/TP PILKOR L1604 Multilayer,Chip ELECTRONICS LTD. LGE Internal Use Only - 284 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 285 TDSCDMA Multi Mode QUALCOMM INCORPORATED. SFHG89DQ102 FL1106 Filter,Saw EAM62633001 1575.42@GPS/1601.72@GLONASS 1.4x1.1x0.5t SMD R/TP 5P WISOL.CO.,LTD LG HK 0603 3N3S-T 3.3NH 0.3NH - 320mA - - Inductor C1641 EAP62246001 0.23OHM 6.7GHZ 5 SHIELD - 0.6X0.3X0.3MM Multilayer,Chip R/TP TAIYO YUDEN CO.,LTD Capacitor...
Page 286 CL10A105KB8NNNC 1uF 10% 50V X5R - Capacitor C8013 EAE62505701 55TO+85C 1608 R/TP 0.9T max. - SAMSUNG Ceramic,Chip ELECTRO-MECHANICS CO., LTD. LGE Internal Use Only - 286 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 287 0.27OHM 3.2GHZ 8 SHIELD NONE ELCH0001054 L1133 Multilayer,Chip 1.0X0.5X0.5MM R/TP PILKOR ELECTRONICS LTD. R6925 Wire Pad,Open SAFO0000401 AX3100 ATL SV_SHIPBACK,MAIN,A,0OHM DNI LGE Internal Use Only - 287 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 288 IC,DC RT8542 2.7 to 5.5V adj 0W CSP R/TP 20P - U8001 EAN62766201 DC Converter RICHTEK TECHNOLOGY CORP. LGE Internal Use Only - 288 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 289 1.2 typ / 1.7 max 2.0x1.6x0.6t DUAL SMD R/TP 9P MURATA MANUFACTURING CO.,LTD. MCR01MZP5J220 22OHM 5% 1/16W 1005 R/TP - R12005 Resistor,Chip ERHZ0000441 ROHM. LG HK 0603 22NJ-T 22NH 5% - 150mA - - 1OHM L1125 Inductor EAP62246401 1.8GHZ 5 SHIELD - 0.6X0.3X0.3MM R/TP TAIYO L1126 Multilayer,Chip YUDEN CO.,LTD...
Page 290 BRAH0001304 UF2040 or 3075BHF . . NONE CW0373-ADDAC CW0373-ADDAC VGA Hynix 1/10 EBP00 Camera Module EBP61941701 CNT Top COWELL ELECTRONICS CO.,LTD LGE Internal Use Only - 290 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 291 DONG-HWA CO., LTD LG0108 USB USB 1.0M 4 BLACK UL N ningbo EAD010000 Cable,Assembly EAD62377902 broad telecommunication co.,ltd LGE Internal Use Only - 291 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 292: Accessory
MCS-02BR 90 - 264Vac 4.75V ~ 5.25V 850mA EAY060000 Adapters EAY62751801 50/60Hz ANATEL WALL 2P USB - SUNLIN ELECTRONICS CO.,LTD LGE Internal Use Only - 292 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...

LG -D385 Service Manual

1 Introduction

2 Performance

3 Trouble Shooting

4 Download

5 Block Diagram

6 Circuit Diagram

7 Bga Pin Map

8 Pcb Layout

9 Calibration

10 Hidden Menu

11 Disassemble Guide

12 Exploded View & Replacement Part List

Quick Links

Troubleshooting

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Summary of Contents for LG LG-D385

Table of Contents