Page 1 Internal Use Only Service Manual LG-D325 Date: March, 2014 / Issue 1.0...
Page 2: Table Of Contents
3.13 8M Main Camera TS .................156 3.14 Main LCD TS ..................159 3.15 BT/Wifi TS .....................162 3.16 GPS TS ....................165 3.17 FM TS ......................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. - 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 - 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. - 7 - LGE Internal Use Only - 6 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 7: Specifications
• • Travel Adapter and USB Cable* 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
2.1 Product Name 2.1 Product Name 2.1 Product Name LG-D325: WCDMA 900//2100+GSM850/EGSM/DCS/PCS (HSUPA 5.76Mbps(cat6)/HSDPA 21Mbps(cat14)/GPRS Class12/EDGE Class12) LG-D325: WCDMA 900//2100+GSM850/EGSM/DCS/PCS (HSUPA 5.76Mbps(cat6)/HSDPA 21Mbps(cat14)/GPRS Class12/EDGE Class12) LG-D325: WCDMA 900//2100+GSM850/EGSM/DCS/PCS (HSUPA 5.76Mbps(cat6)/HSDPA 21Mbps(cat14)/GPRS Class12/EDGE Class12) 2.2 Supporting Standard 2.2 Supporting Standard 2.2 Supporting Standard...
Page 9: Hw Features
60fps@HD 720P, 120fps@QVGA 8. Main Camera (5M) View Angle 68° Image Scaling Down 5M,3M,W3M,1M,W1M Pixel x size 1.4um x1.4um 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 Magnitude (EVM) 17.5 -20 dBm with HS-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 6. No SVC Mode under 200mA Under 200 mA 7. Power Off Mode under 300uA Under 300 uA LGE Internal Use Only - 20 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 21 Under 4 hour (2100mAh battery, 700mA TA) Under 4 hour (2100mAh battery, 700mA TA) 14) Charging hour Under 4 hour (2100mAh battery, 700mA TA) LGE Internal Use Only - 21 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 22 BAR 11 --> 10 53% -> 52% Low Battery Pop-up 15%, 5%, 0% BAR 10 --> 9 48% -> 47% LGE Internal Use Only - 22 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 23: D325 Figures
2. PERFORMANCE LG-D325f Product SPEC 2.6 D325f Figures 2.6 D325 Figures LGE Internal Use Only - 23 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 24: 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 - 24 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 25 3. TROUBLE SHOOTING WTR2605 (U3000) SKY77573- 31 (U1000) (FL2001) <Main Top> LGE Internal Use Only - 25 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 26 +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 - 26 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 27 VDD_RF1_R_VCO C3006 VDD_RF1_T_PLL VDD_RF1_T_LO 0.1u VDD_RF1_R_LO VDD_RF1_LNA VDD_RF1_DIG VDD_RF1_G_LO VDD_RF1_G_PLL STAR ROUTE L3001 VDD_RF3_IO +1V225_VREG_L1 C3007 4.7u +1V8_VREG_L10 LGE Internal Use Only - 27 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 28 XO circuit is Ok . See next page Is it similar ? to check RF signal path. Replace Main B/D LGE Internal Use Only - 28 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 29 WTR0_PRXBB_Q_N RX_BB_QM WTR_XO_IN XO_IN WTR0_GNSSBB_I_P GNSS_BB_IP WTR0_GNSSBB_I_N GNSS_BB_IM WTR0_GNSSBB_Q_P GNSS_BB_QP WTR0_GNSSBB_Q_N GNSS_BB_QM C3008 100p R3005 WTR_XO_IN C3013 WTR0_XO_IN LGE Internal Use Only - 29 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 30 TX module is OK. See next page to check DPX The Problem may be Logic part Refer to Logic troubleshoot LGE Internal Use Only - 30 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 31 3. TROUBLE SHOOTING SKY77573-31 (U1000) <Main Top> SW1000 SW1001 C1002 C1001 3.3n C1000 COMMON L1001 L1000 0.5p LGE Internal Use Only - 31 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 32 100p FL2001 C2039 C2038 4.7p 100p C2037 TX_MODULE_TRX_1 LNA_PRX_MB1 L2003 L2010 L2011 GND1 GND6 GND2 GND5 GND3 GND4 LGE Internal Use Only - 32 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 33 3. TROUBLE SHOOTING 2.140GHz Figure 3.1.1 (b) TP1 2.140GHz Figure 3.1.1 (c) TP2 LGE Internal Use Only - 33 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 34 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 - 34 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 35 3. TROUBLE SHOOTING FL2001 DPX <Main Top> 2.7n C2028 C2062 C2027 WTR_PRX_MB_1_IN LNA_PRX_MB1_IN L2002 C2030 LGE Internal Use Only - 35 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 37 ※ 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 - 37 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 38 3. TROUBLE SHOOTING WTR2605 (U3000) (FL2002) SKY77573- 31 (U1000) <Main Top> LGE Internal Use Only - 38 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 39 +1V8_VREG_L10 is OK? DC Po wer su pply Circuit is OK. See next Page to check XO circuit LGE Internal Use Only - 39 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 40 VDD_RF1_R_VCO C3006 VDD_RF1_T_PLL VDD_RF1_T_LO 0.1u VDD_RF1_R_LO VDD_RF1_LNA VDD_RF1_DIG VDD_RF1_G_LO VDD_RF1_G_PLL STAR ROUTE L3001 VDD_RF3_IO +1V225_VREG_L1 C3007 4.7u +1V8_VREG_L10 LGE Internal Use Only - 40 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 41 XO circuit is Ok. See next page Is it similar ? to check RF signal path. Replace Main B/D LGE Internal Use Only - 41 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 42 WTR0_PRXBB_Q_N RX_BB_QM WTR_XO_IN XO_IN WTR0_GNSSBB_I_P GNSS_BB_IP WTR0_GNSSBB_I_N GNSS_BB_IM WTR0_GNSSBB_Q_P GNSS_BB_QP WTR0_GNSSBB_Q_N GNSS_BB_QM C3008 100p R3005 WTR_XO_IN C3013 WTR0_XO_IN LGE Internal Use Only - 42 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 43 TX module is OK. See next page to check DPX The Problem may be Logic part Refer to Logic troubleshoot LGE Internal Use Only - 43 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 44 3. TROUBLE SHOOTING SKY77573-31 (U1000) <Main Top> SW1000 SW1001 C1002 C1001 3.3n C1000 COMMON L1001 L1000 0.5p LGE Internal Use Only - 44 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 45 100p FL2002 C2053 C2050 100p C2051 100p C2052 TX_MODULE_TRX_4 L2004 L2007 GND1 GND6 6.8n GND2 GND5 GND3 GND4 LGE Internal Use Only - 45 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 46 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 - 46 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 47 All WCDMA_B8 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 - 47 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 48 FL2002 C2053 C2050 100p C2051 100p C2052 TX_MODULE_TRX_4 WTR_PRX_LB_1_IN L2004 L2007 GND1 GND6 6.8n GND2 GND5 GND3 GND4 LGE Internal Use Only - 48 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 49: 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 - 49 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 50 3. TROUBLE SHOOTING WTR2605 U2002 (U3000) SKY77573- 31 (U1000) (FL2001) <Main Top> LGE Internal Use Only - 50 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 51 Refer to Logic troubleshoot DC Po wer su pply Circuit is OK. See next Page to check XO circuit LGE Internal Use Only - 51 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 52 VDD_RF1_R_VCO C3006 VDD_RF1_T_PLL VDD_RF1_T_LO 0.1u VDD_RF1_R_LO VDD_RF1_LNA VDD_RF1_DIG VDD_RF1_G_LO VDD_RF1_G_PLL STAR ROUTE L3001 VDD_RF3_IO +1V225_VREG_L1 C3007 4.7u +1V8_VREG_L10 LGE Internal Use Only - 52 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 53 XO circuit is Ok. See next page Is it similar ? to check RF signal path. Replace Main B/D LGE Internal Use Only - 53 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 54 WTR0_PRXBB_Q_N RX_BB_QM WTR_XO_IN XO_IN WTR0_GNSSBB_I_P GNSS_BB_IP WTR0_GNSSBB_I_N GNSS_BB_IM WTR0_GNSSBB_Q_P GNSS_BB_QP WTR0_GNSSBB_Q_N GNSS_BB_QM C3008 100p R3005 WTR_XO_IN C3013 WTR0_XO_IN LGE Internal Use Only - 54 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 55 The Problem may be Logic part Whether it is higher than 1.5V Refer to Logic troubleshoot Replace U2002 LGE Internal Use Only - 55 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 56 3. TROUBLE SHOOTING TP2(RF OUT) TP1(RF IN) TP3(+VPWR) <Main Top> LGE Internal Use Only - 56 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 57 5.6n TP2(RF OUT) TP1(RF IN) C2048 C2049 C2047 100p 100p 100p WTR_PDET_IN B8(G900) 2.2n C2055 L2005 L2006 0.5p LGE Internal Use Only - 57 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 59 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 - 59 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 60 <Main Top> FL2001 C2039 C2038 4.7p 100p C2037 TX_MODULE_TRX_1 LNA_PRX_MB1_IN L2003 L2010 L2011 GND1 GND6 GND2 GND5 GND3 GND4 LGE Internal Use Only - 60 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 61 TX module is OK. See next page to check DPX The Problem may be Logic part Refer to Logic troubleshoot LGE Internal Use Only - 61 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 62 3. TROUBLE SHOOTING SKY77573-31 (U1000) <Main Top> SW1000 SW1001 C1002 C1001 3.3n C1000 COMMON L1001 L1000 0.5p LGE Internal Use Only - 62 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 63 100p FL2001 C2039 C2038 4.7p 100p C2037 TX_MODULE_TRX_1 LNA_PRX_MB1_IN L2003 L2010 L2011 GND1 GND6 GND2 GND5 GND3 GND4 LGE Internal Use Only - 63 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 64 3. TROUBLE SHOOTING 1.950GHz Figure 3.1.1 (b) 1.950GHz Figure 3.1.1 (c) LGE Internal Use Only - 64 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 65 * 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 - 65 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 66 3. TROUBLE SHOOTING WTR2605 U2002 (U3000) (FL2002) SKY77573- 31 (U1000) <Main Top> LGE Internal Use Only - 66 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 67 Refer to Logic troubleshoot DC Po wer su pply Circuit is OK. See next Page to check XO circuit LGE Internal Use Only - 67 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 68 VDD_RF1_R_VCO C3006 VDD_RF1_T_PLL VDD_RF1_T_LO 0.1u VDD_RF1_R_LO VDD_RF1_LNA VDD_RF1_DIG VDD_RF1_G_LO VDD_RF1_G_PLL STAR ROUTE L3001 VDD_RF3_IO +1V225_VREG_L1 C3007 4.7u +1V8_VREG_L10 LGE Internal Use Only - 68 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 69 XO circuit is Ok. See next page Is it similar ? to check RF signal path Replace Main B/D LGE Internal Use Only - 69 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 70 WTR0_PRXBB_Q_N RX_BB_QM WTR_XO_IN XO_IN WTR0_GNSSBB_I_P GNSS_BB_IP WTR0_GNSSBB_I_N GNSS_BB_IM WTR0_GNSSBB_Q_P GNSS_BB_QP WTR0_GNSSBB_Q_N GNSS_BB_QM C3008 100p R3005 WTR_XO_IN C3013 WTR0_XO_IN LGE Internal Use Only - 70 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 71 The Problem may be Logic part Whether it is higher than 1.5V Refer to Logic troubleshoot Replace U1004 LGE Internal Use Only - 71 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 72 3. TROUBLE SHOOTING TP3(+VPWR) TP1(RF IN) TP2(RF OUT) <Main Top> LGE Internal Use Only - 72 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 73 5.6n C2047 C2048 C2049 TP1(RF IN) 100p 100p 100p WTR_PDET_IN B8(G900) C2055 2.2n L2005 L2006 0.5p TP2(RF OUT) LGE Internal Use Only - 73 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 74 3. TROUBLE SHOOTING Center Frequency : 897.6MHz Center Frequency : 897.6MHz Figure 3.2.1.4 LGE Internal Use Only - 74 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 75 Is any signal detected at that point? DPX is OK. See next page to check PAM Center Frequency : 897.6MHz Figure 3.1.1 (b) LGE Internal Use Only - 75 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 76 <Main Top> FL2002 C2053 C2050 100p C2051 100p C2052 TX_MODULE_TRX_4 L2004 L2007 GND1 GND6 6.8n GND2 GND5 GND3 GND4 LGE Internal Use Only - 76 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 77 TX module is OK. See next page to check DPX The Problem may be Logic part Refer to Logic troubleshoot LGE Internal Use Only - 77 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 78 3. TROUBLE SHOOTING SKY77573-31 (U1000) <Main Top> SW1000 SW1001 C1002 C1001 3.3n C1000 COMMON L1001 L1000 0.5p LGE Internal Use Only - 78 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 79 100p FL2001 C2039 C2038 4.7p 100p C2037 TX_MODULE_TRX_1 LNA_PRX_MB1_IN L2003 L2010 L2011 GND1 GND6 GND2 GND5 GND3 GND4 LGE Internal Use Only - 79 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 80 3. TROUBLE SHOOTING Center Frequency : 897.6MHz Figure 3.1.1 (b) Center Frequency : 897.6MHz Figure 3.1.1 (c) LGE Internal Use Only - 80 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 81: 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 - 81 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 82 3. TROUBLE SHOOTING WTR2605 (U3000) (FL2002) SKY77573- 31 (U1000) <Main Top> LGE Internal Use Only - 82 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 83 +1V8_VREG_L10 is OK? DC Po wer su pply Circuit is OK. See next Page to check XO circuit LGE Internal Use Only - 83 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 84 VDD_RF1_R_VCO C3006 VDD_RF1_T_PLL VDD_RF1_T_LO 0.1u VDD_RF1_R_LO VDD_RF1_LNA VDD_RF1_DIG VDD_RF1_G_LO VDD_RF1_G_PLL STAR ROUTE L3001 VDD_RF3_IO +1V225_VREG_L1 C3007 4.7u +1V8_VREG_L10 LGE Internal Use Only - 84 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 85 XO circuit is Ok. See next page Is it similar ? to check RF signal path Replace Main B/D LGE Internal Use Only - 85 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 86 WTR0_PRXBB_Q_N RX_BB_QM WTR_XO_IN XO_IN WTR0_GNSSBB_I_P GNSS_BB_IP WTR0_GNSSBB_I_N GNSS_BB_IM WTR0_GNSSBB_Q_P GNSS_BB_QP WTR0_GNSSBB_Q_N GNSS_BB_QM C3008 100p R3005 WTR_XO_IN C3013 WTR0_XO_IN LGE Internal Use Only - 86 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 87 TX module is OK. See next page to check DPX The Problem may be Logic part Refer to Logic troubleshoot LGE Internal Use Only - 87 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 88 3. TROUBLE SHOOTING SKY77573-31 (U1000) <Main Top> SW1000 SW1001 C1002 C1001 3.3n C1000 COMMON L1001 L1000 0.5p LGE Internal Use Only - 88 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 89 100p FL2002 C2053 C2050 100p C2051 100p C2052 TX_MODULE_TRX_4 L2004 L2007 GND1 GND6 6.8n GND2 GND5 GND3 GND4 LGE Internal Use Only - 89 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 90 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 - 90 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 91 All GSM850 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 - 91 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 92 FL2002 C2053 C2050 100p C2051 100p C2052 TX_MODULE_TRX_4 WTR_PRX_LB_1_IN L2004 L2007 GND1 GND6 6.8n GND2 GND5 GND3 GND4 LGE Internal Use Only - 92 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 93 * 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 - 93 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 94 3. TROUBLE SHOOTING WTR2605 (U3000) SAW Filter SKY77573- (FL1001) 31 (U1000) <Main Top> LGE Internal Use Only - 94 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 95 +1V8_VREG_L10 is OK? DC Po wer su pply Circuit is OK. See next Page to check XO circuit LGE Internal Use Only - 95 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 96 VDD_RF1_R_VCO C3006 VDD_RF1_T_PLL VDD_RF1_T_LO 0.1u VDD_RF1_R_LO VDD_RF1_LNA VDD_RF1_DIG VDD_RF1_G_LO VDD_RF1_G_PLL STAR ROUTE L3001 VDD_RF3_IO +1V225_VREG_L1 C3007 4.7u +1V8_VREG_L10 LGE Internal Use Only - 96 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 97 XO circuit is Ok. See next page Is it similar ? to check RF signal path Replace Main B/D LGE Internal Use Only - 97 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 98 WTR0_PRXBB_Q_N RX_BB_QM WTR_XO_IN XO_IN WTR0_GNSSBB_I_P GNSS_BB_IP WTR0_GNSSBB_I_N GNSS_BB_IM WTR0_GNSSBB_Q_P GNSS_BB_QP WTR0_GNSSBB_Q_N GNSS_BB_QM C3008 100p R3005 WTR_XO_IN C3013 WTR0_XO_IN LGE Internal Use Only - 98 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 99 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 - 99 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 100 3. TROUBLE SHOOTING SKY77573-31 (U1000) <Main Top> SW1000 SW1001 C1002 C1001 3.3n C1000 COMMON L1001 L1000 0.5p LGE Internal Use Only - 100 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 101 4.7u SPDT_SEL PA0_R_1 100p R1004 C1060 WTR_TX1_OUT PA0_R_0 ANT0_SW_SEL_0 ANT0_SW_SEL_3 ANT0_SW_SEL_1 ANT0_SW_SEL_2 C1023 C1113 C1024 100p 100p 100p LGE Internal Use Only - 101 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 102 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 - 102 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 103 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 - 103 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 104 FL1001 C1008 C1010 2.2n 100p 100p C1011 C1009 WTR_PRX_LB_2_IN G1 G2 G3 881.5MHz L1007 L1008 G850 NOTE 1 LGE Internal Use Only - 104 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 105 * 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 - 105 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 106 3. TROUBLE SHOOTING WTR2605 (U3000) SKY77573- 31 (U1000) SAW Filter (FL1000) <Main Top> LGE Internal Use Only - 106 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 107 +1V8_VREG_L10 is OK? DC Po wer su pply Circuit is OK. See next Page to check XO circuit LGE Internal Use Only - 107 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 108 VDD_RF1_R_VCO C3006 VDD_RF1_T_PLL VDD_RF1_T_LO 0.1u VDD_RF1_R_LO VDD_RF1_LNA VDD_RF1_DIG VDD_RF1_G_LO VDD_RF1_G_PLL STAR ROUTE L3001 VDD_RF3_IO +1V225_VREG_L1 C3007 4.7u +1V8_VREG_L10 LGE Internal Use Only - 108 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 109 XO circuit is Ok. See next page Is it similar ? to check RF signal path Replace Main B/D LGE Internal Use Only - 109 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 110 WTR0_PRXBB_Q_N RX_BB_QM WTR_XO_IN XO_IN WTR0_GNSSBB_I_P GNSS_BB_IP WTR0_GNSSBB_I_N GNSS_BB_IM WTR0_GNSSBB_Q_P GNSS_BB_QP WTR0_GNSSBB_Q_N GNSS_BB_QM C3008 100p R3005 WTR_XO_IN C3013 WTR0_XO_IN LGE Internal Use Only - 110 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 111 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 - 111 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 112 3. TROUBLE SHOOTING SKY77573-31 (U1000) <Main Top> SW1000 SW1001 C1002 C1001 3.3n C1000 COMMON L1001 L1000 0.5p LGE Internal Use Only - 112 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 113 4.7u SPDT_SEL PA0_R_1 100p R1004 C1060 WTR_TX1_OUT PA0_R_0 ANT0_SW_SEL_0 ANT0_SW_SEL_3 ANT0_SW_SEL_1 ANT0_SW_SEL_2 C1023 C1113 C1024 100p 100p 100p LGE Internal Use Only - 113 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 115 Is any signal detected at that point? Check L1002, L1004, L1003 SAW filter is OK. Replace main B/D. Figure 3.1.1 (b) LGE Internal Use Only - 115 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 116 GND5 GND2 FL1000 RX_G1900 C1003 3.3n GND6 GND1 L1002 L1003 WTR_PRX_MB_3_IN GSM1900_OUT GSM1800/1900_IN L1108 L1109 0.5p L1004 1842.50MHz/1960.00MHz LGE Internal Use Only - 116 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 117: 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 - 117 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 118 3. TROUBLE SHOOTING WTR2605 (U3000) SKY77573-31 (U1000) <Main Top> LGE Internal Use Only - 118 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 119 +1V8_VREG_L10 is OK? DC Po wer su pply Circuit is OK. See next Page to check XO circuit LGE Internal Use Only - 119 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 120 VDD_RF1_R_VCO C3006 VDD_RF1_T_PLL VDD_RF1_T_LO 0.1u VDD_RF1_R_LO VDD_RF1_LNA VDD_RF1_DIG VDD_RF1_G_LO VDD_RF1_G_PLL STAR ROUTE L3001 VDD_RF3_IO +1V225_VREG_L1 C3007 4.7u +1V8_VREG_L10 LGE Internal Use Only - 120 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 121 XO circuit is Ok. See next page Is it similar ? to check RF signal path Replace Main B/D LGE Internal Use Only - 121 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 122 WTR0_PRXBB_Q_N RX_BB_QM WTR_XO_IN XO_IN WTR0_GNSSBB_I_P GNSS_BB_IP WTR0_GNSSBB_I_N GNSS_BB_IM WTR0_GNSSBB_Q_P GNSS_BB_QP WTR0_GNSSBB_Q_N GNSS_BB_QM C3008 100p R3005 WTR_XO_IN C3013 WTR0_XO_IN LGE Internal Use Only - 122 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 123 Replace U1000 TX module is OK. Replace Main B/D The Problem may be Logic part Refer to Logic troubleshoot LGE Internal Use Only - 123 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 124 3. TROUBLE SHOOTING TP1(RF IN) TP3(+VPWR) TP2(RF OUT) <Main Top> LGE Internal Use Only - 124 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 125 C1013 C1112 4.7u SPDT_SEL 100p R1004 C1060 WTR_TX1_OUT ANT0_SW_SEL_0 ANT0_SW_SEL_1 C1023 C1113 C1024 TP1(RF IN) 100p 100p 100p LGE Internal Use Only - 125 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 126: Power
150K R7011 VBAT_THERM BAT_ID R7012 R7015 VREF_BAT_THERM ZD7000 4.7K C7060 ZD7001 C7049 C7050 C7051 C7048 100p 100n VA7000 LGE Internal Use Only - 126 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 127 L4112 470n +1V35_VSW_S3 L4113 2.2u +2V1_VSW_S4 L4114 2.2u Place close to MSM L4110 VPWR DC/DC INDUCTOR(L4110) +VPWR C4116 LGE Internal Use Only - 127 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 128 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 - 128 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 129 3. TROUBLE SHOOTING VPWR DC/DC INDUCTOR(L4110) AP DC/DC INDUCTOR(L4112) Core DC/DC INDUCTOR(L4111) PWR KEY(R12000) BATTERY CONNECTOR(CN500) <Main Top> LGE Internal Use Only - 129 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 130: Charging
- Connection of the TA or u-USB cable - Main battery VBAT_SNS VBAT_SENSE C4117 0.1u VBAT_1 VBAT C4118(TP1) VBAT_2 C4118 VBAT_3 C4118(TP1) <Main Top> LGE Internal Use Only - 130 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 131 Is it charging properly After turning on? Change the PMIC (U4100 ) Connection OK? 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: Usb Ts
Main PCB Filter Change Filter( FL2 ) Is the signal ok for USB+ & - ? Change the Main PCB LGE Internal Use Only - 132 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 133: 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 - 133 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 134 Hear the sound to the Speaker? Change Speaker Module? Check Lower FPCB and Main PCB, TP1(L2,L3, C13,C14,D1,D2)Speaker Sound OK? Change Main Board LGE Internal Use Only - 134 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 135 3. TROUBLE SHOOTING U2100 <Main Top> TP1(L2,L3, C13,C14,D1,D2) Speaker Module LGE Internal Use Only - 135 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 136 Clampling : 12.3V, 65pF, 150W Clampling : 12.3V, 65pF, 150W Clampling : 12V, 6.5pF, 0603 FPCB SPEAKER SPK_P SPK_N TP1(L2,L3, C13,C14,D1,D2) LGE Internal Use Only - 136 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 137 Hear the sound to the Receiver? Change Receiver Module. Can you hear a sound? Check main board part TP1(L9000,L9002) Change Main Board LGE Internal Use Only - 137 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 138 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 - 138 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 139 Voice signal OK? Check parts about Mic Bias Mic works well? Change MSM8210(U2100) Mic works well? Change Main Board LGE Internal Use Only - 139 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 140 Check Main Mic hole. MIC_BIAS_1 MIC1 0.1u MIC_IN1_N Check FB1 and MIC_BIAS_1 voltage level (C17) 1800 MIC_IN1_P 2.2u LGE Internal Use Only - 140 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 141 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 - 141 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 142 Check FB9007 and MIC_BIAS_1 voltage level (C9026) C9027 1800 FB9007 MIC_IN3_P D9008 D9009 C9400 GND Close to MIC 12V,6.5pF LGE Internal Use Only - 142 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 143 Check the left signal and detection line short when headset inserted? Change MSM2100(U2100). Mic works well? Change Main Board LGE Internal Use Only - 143 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 144 C9028 470p C9033 R9013 R9014 MIC_BIAS_1 1.2K TOL=0.01 TOL=0.01 C9030 C9031 MIC_IN2_N R9015 Analog Switch DNI Option 0ohm LGE Internal Use Only - 144 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 145 Change Ear Jack Connector. Sound play via headset? Check MSM2100(U2100). Works well? Change Main Board LGE Internal Use Only - 145 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 146 3. TROUBLE SHOOTING Case B. No Sound from Headset U2100 <Main Top> LGE Internal Use Only - 146 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 147: Axis Sensor
+2V85_VREG_L19 SENSOR0_I2C_SDA SENSOR0_I2C_SCL BMC150_INT_1 U12001 INT1 VDDIO BMC150 INT2 GND3 DRDY C12002 C12006 0.1u 0.1u 3 AXIS Sensor LGE Internal Use Only - 147 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 148 Change the 3 AXIS Sensor IC (U12001) 3 AXIS Sensor function is OK? Change the main board 3 AXIS Sensor function is OK? LGE Internal Use Only - 148 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 150: Proximity Sensor
Check +2V85_VERG_L19 TP1(C12003 ) & I2C_SENSOR_SDA & SCL & PROX__INT Output work well? Change the main board Function is OK? LGE Internal Use Only - 150 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 151 U12002 R12007 SENSOR0_I2C_SDA PROXIMITY_INT SENSOR0_I2C_SCL D12011 D12012 LEDK LEDA EAH62033201 D12010 EAH62033201 C12003 C12004 EAH62033201 Sensor Power: (C12003) LGE Internal Use Only - 151 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 152: 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 - 152 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 153 TOUCH_ATTN_N TOUCH_I2C_SCL U7200 TOUCH_I2C_SDA A7/A8 S2202 TOUCH_RESET_N A5/A6 A2/A3 A0/A1 +1V8_VREG_L14 VBUS TX10 +1V8_TOUCH_VDD: (C7203) +3V0_TOUCH_VDD : (C7202) LGE Internal Use Only - 153 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 154: 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 - 154 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 156: 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 - 156 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 157 MAIN_CAM0_MCLK CAM_DVDD R8005 +1V8_VREG_L7 CAM_AVDD LDO_CAM_2V8 CAM_IOVDD +1V8_VREG_L7 CAM_LVDD (VCM) LDO_CAM_VCM_2V8 CAM0_I2C_SDA CAM0_I2C_SCL IOVDD: C8009 DVDD: C8011 AVDD:C8010 LGE Internal Use Only - 157 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 158 3. TROUBLE SHOOTING MCLK: R2200 <Main Top> DVDD: C8011 IOVDD: C8009 AVDD:C8010 MIPI_DATA(FL8003) MIPI_CLK: TP5 (FL8002) <Main Bot> LGE Internal Use Only - 158 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 159: Main Lcd Ts
Change the LCD Module MIPI_DATA (FL8001)TP3, MIPI_CLK (FL8000)TP4 LT8542(U8001)TP5, output LEDA(C8013)TP6 Change the Main Board The LCD works LGE Internal Use Only - 159 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 160 MIPI_DATA: FL8001 100n CN80000 LCD_VSYNC +1V8_VREG_L14 LCD_PWM LCD_RESET_N LCD_MAKER_ID FB8001 LCD_LED_A LCD_LED_C +1V8_VREG_L14 : C8003 C8003 C8004 100n 40pF,18V LGE Internal Use Only - 160 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 161 LED2_F LD8000 R8004 ZD8004 CAM_FLASH_TRIPLE_SIM +2V85_VREG_L19 : C8006 LCD_LED_A:C8013 MIPI_CLK: FL8000 +1V8_VREG_L14 : C8003 MIPI_DATA: FL8001 <Main Bot> LGE Internal Use Only - 161 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 162: Bt/Wifi Ts
3. TROUBLE SHOOTING 3.15 BT/Wifi TS U5100 WCN3620 <Main Top> ANT11001 <Main Bot> LGE Internal Use Only - 162 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 163 TCXO_IN L5100 L5101 FM_HS_RX FM_ANT R11009 FM_SSBI FM_SSBI FM_DATA C5110 FM_DATA R11010 BT_CTL BT_CTL BT_SSBI BT_SSBI BT_DATA BT_DATA LGE Internal Use Only - 163 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 164 Check the signal level at TP3 (L5106) Replace ANT11001 Check the Antenna Clip (ANT11001) BT-WiFi will work properly LGE Internal Use Only - 164 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 165: Gps Ts
3. TROUBLE SHOOTING 3.16 GPS TS FL1006 FL1105 Filter U4100 PM8110 U3000 WTR2605 <Main Top> CN1001 <Main Bot> LGE Internal Use Only - 165 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 166 L1017 C1048 5.6n L1024 4.7n C1063 100p 5.6n FL1006 WTR_GNSS_RF_IN_1 RFIN RFOUT C1062 C1064 L1029 C1046 LNA+Post Filter LGE Internal Use Only - 166 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 167 Check the signal level at TP4 (C1048) Replace CN1001 Check the Antenna Clip TP2 (CN1001) GPS will work properly LGE Internal Use Only - 167 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 168: Fm Ts
GND Close to EarJack R9011 100n HPH_REF C9028 470p C9033 R9013 R9014 MIC_BIAS_1 1.2K TOL=0.01 TOL=0.01 C9030 C9031 MIC_IN2_N LGE Internal Use Only - 168 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 169 Replace U5100) Check the Signal level at TP1 (C9021) Replace U2100 Check Bias Voltage Good? FM will work properly LGE Internal Use Only - 169 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 170: 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 - 170 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 172 4. DOWNLOAD LGD325 LGD325_20140311_LGFLASHv160_Download.zip LGD325 LGE Internal Use Only - 172 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 182 4. DOWNLOAD LGD325 LGD325_20140311_LGFLASHv160_Download LGD325_20140311_LGFLASHv160_Download LGD325 LGD325AT-00-V10a-SSV-XXX-JUN-03-2013+0.tot LGD325 LGE Internal Use Only - 182 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 183 4. DOWNLOAD LGD325 LGD325_20140311_LGFLASHv160_Download LGD325 LGD325AT-00-V10a-SSV-XXX-JUN-03-2013+0.tot LGD325 LGD325 LGE Internal Use Only - 183 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 185 4. DOWNLOAD LGD325 LGD325 LGD325 LGD325_20140311_LGFLASHv160_Download LGE Internal Use Only - 185 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 186 4. DOWNLOAD LGD325 LGD325 LGD325_20140311_LGFLASHv160_Download LGD325 LGE Internal Use Only - 186 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 187: Block Diagram
Audio Interface 5V_USB - Up/Down - SPKR_DRV (P/N) - Home - RCV (P/N) KPD_PWR_N - HPH (P/N) USB Con. LGE Internal Use Only - 187 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 188 [TX GSM QUAD] [TX_GSM QUAD] WTR TX1 OUT WTR_TX1_OUT GNSS_LNA_IN GNSS_LNA_OUT RF_IN TX1_OUT GNSS_RF_IN GNSS Antenna LNA + Filter LGE Internal Use Only - 188 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 189 RX SAW [RX_GSM850 or GSM900] WTR_PRX_LB_2_IN TRX3 RX_MB2_IN FILTER Low Band TX_MODULE_TRX_4 WTR_PRX_LB_1_IN TRX4 RX_MB1_IN DUPLEXER [RX_GSM900 or GSM850] LGE Internal Use Only - 189 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 190 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 - 190 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 191 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 Clock 19.2Mhz LGE Internal Use Only - 191 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 192 ~4.9V/50mA VDD_USB_3P3 VDD_MIC_BIAS ~4.9V/150mA +2V95_VREG_L21 VDD_P2 ~4.9V/150mA +2V95_UIM3 VDD_P6 LCD B/L Prox Hall GSM PAM/IC WCN3620 RGB IC LGE Internal Use Only - 192 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 193 GPIO14/CAM_MCLK0 GPIO37/UIM1_CLK GPIO33/UIM2_CLK GPIO95/UIM3_CLK GPIO78/NFC_CLK GPIO27/WLAN_CLK WTR2605 XO IN XO_IN RF CLK1 RF_CLK1 WCN3620 (BT/WLAN/FM) RF_CLK2 TCXO_IN WLAN_CMD_CLK LGE Internal Use Only - 193 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 194 Main MIC(WB) MIC_IN1_P MEMS 3.1*2.5*1.1T -42dB +/-3dB MIC_BIAS_1 Sub MIC(WB) MIC IN3 P MIC_IN3_P MEMS 3.1*2.5*1.1T -42dB +/-3dB LGE Internal Use Only - 194 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 195 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 - 195 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 196 USIM2_RESET_N GPIO34 USIM2_DATA eMMC_CLK GPIO32 SDC1_CLK MSM_RESOUT RESET RESOUT_N eMMC_CMD GPIO94 SDC1_CMD eMMC_DATA[0:7] SDC1_DATA GPIO95 DAT[0:7] GPIO96 VCCQ LGE Internal Use Only - 196 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 197 TOUCH_MAKER_ID GPIO_76 +VPWR GPIO_6 RGB_EN RGB Driver RGB LED CLK 32K CLK_32K LP5521 LP5521 COMMON_I2C_SCL GPIO_5 GPIO_4 COMMON_I2C_SDA LGE Internal Use Only - 197 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 198: Circuit Diagram
L1017 C1048 5.6n L1024 4.7n 5.6n C1063 100p FL1006 WTR_GNSS_RF_IN_1 RFIN RFOUT C1062 C1064 L1029 C1046 LNA+Post Filter - 198 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 199 VDD_RF3_IO GND15 GND16 +1V225_VREG_L1 C3008 100p R3005 WTR_XO_IN C3013 C3007 4.7u WTR0_XO_IN +1V8_VREG_L10 Delete for not using DRX - 199 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 200 Shunt cap must be<=33pF B5 LPM C2057 guarantee LNA gain setting time B2 HPM W-BAND B2 LPM EAM62692901(B8564) R2003 220K EAM62890201(B8605) - 200 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 201 GNSS_BB_QP C2109 * Note Install bypass capacitors on IREF to GND as needed to filter out signal noise. - 201 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 202 RF_BAND_LOW BLSP4_SPI_CS3_N/GPIO_101 BAT_ID R2214 R2218 RF_MRD_CHK R2215 HIGH GPIO EU_1_8 F_1_5 G_2_5 F_1_5+8M G_2_5+8M J_2_8+8M EU_MRD NO_FM Radio - 202 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 203 C2369 C2372 C2373 It is not enough to connect it to the ground plane. 4.7n 4.7n 0.1u 0.1u - 203 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 204 DLA_2 DLA_7 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 NC_3 - 204 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 205 C6022 VDD1_4 0.47u VDD2_1 VDD2_2 VDD2_3 VDD2_4 VDD2_5 +1V2_VREG_L2 VDD2_6 C6023 C6024 C6025 C6026 0.47u 0.47u 0.47u R6010 - 205 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 206 GND fills. L42G D325 SLEEP_CLK D325f D325g R4109 D340f8 C4109 D325f8 D325g8 - 206 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 207 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 - 207 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 208 For Vin < 3.5V, Vout = 3.5V (Boost mode) For Vin > = 3.5V, Vout = Vin (bypass mode) Vout = Vin (forced bypass mode) - 208 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 209 C5113 C5114 C5102 VDD_BT_DA_3P3 470n 470n 100p 100p 4.7u +3V3_VREG_L16 C5116 C5115 100p R11008 0607 : QMC ref. - 209 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 210 MIC_IN3_P LCD_MIPI_DATA2_N LCD_MIPI_DATA2_P C8003 C8004 D9009 D9008 100n C8006 C8007 C9400 100n 40pF,18V GND Close to MIC 12V,6.5pF - 210 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 211 RX12 A2/A3 RX11 A0/A1 TOUCH_MAKER_ID_0 +1V8_VREG_L14 VBUS TX10 TSP : 1st (GND), 2nd(NC) TX10 TX11 100pF,Clamping : 15.5V - 211 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 212 VT_CAM_RESET_N VT_CAM_MIPI_CLK_N VT_CAM_MIPI_CLK_P VT_CAM_MIPI_DATA0_N VT_CAM_MIPI_DATA0_P C8016 C8017 C8018 FL8004 2.2u 2.2u 100pF,15.5V 15pF,35V VGA Camera P/N : EBP61941701 - 212 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 213 R7015 VREF_BAT_THERM ZD7000 4.7K C7060 ZD7001 C7049 C7050 C7051 C7048 0607 add : DGMS C/L 100n 100p VA7000 - 213 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 214 CN4000 JTAG_TCK MSM_UART_TX TP4016 MSM_UART_RX JTAG_TDO PA0_R_0 JTAG_TDI JTAG_TMS R4001 JTAG_TRST JTAG_PS_HOLD R4002 JTAG_SRST C4001 0.1u C4002 0.1u - 214 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 215 SW12000 R12000 R12001 PM_KYPD_PWR_N KEYPAD_SENSE_0 VA12000 TP12002 0531 change 12.3V,65pF,150W SW12002 R12002 KEYPAD_SENSE_1 VA12002 VA12001 0531 change 12.3V,65pF,150W - 215 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 216 2.2u 2.2u 2.2u Clampling : 12.3V, 65pF, 150W Clampling : 12.3V, 65pF, 150W Clampling : 12V, 6.5pF, 0603 - 216 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 217 PM_USB_ID : direct connection to USB connector to detect ID when MSM PHY is off MAIN_MIC MOTOR SPEAKER MIC_BIAS_1 MIC1 +VPWR 0.1u SPK_P MIC_IN1_N SPK_N PMIC_VIB_N 1800 MIC_IN1_P 2.2u - 217 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 218: Bga Pin Map
7. BGA PIN MAP 7. BGA PIN MAP U3000 WTR2605 U3000 WTR2605 Not Used LGE Internal Use Only - 218 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 222 7. BGA PIN MAP U6000 H9TP32A8JDBCPR-KGM U6000 H9TP32A8JDBCPR-KGM Not Used Not Used LGE Internal Use Only - 222 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 224: Pcb Layout
- no Service Model name : MSM8210 (U2100) Function : Baseband - no booting - no function TP12002 U8700 LG-D325_MAIN_EAX65604301_1.0_TOP - 224 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 225 Function : SUB FPCB connector - no speaker - no Download - no voice - no Motor LG-D325_MAIN_EAX65604301_1.0_BOT - 225 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 228: Calibration
2. Port Setting (Refer to Attached image) 1) Uart Port2 : Use the “LGE CDMA USB Serial Port” LGE Internal Use Only - 228 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 230 9. CALIBRATION D325 MS695 [TachyonV48] LGD325 20140226 ALL File Calibration [Tachyon36]LGMS695_20120213_Calibration D325 LGE Internal Use Only - 230 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 236 (P/No : BJAY0024004) 5.3V 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 - 236 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 244 9. CALIBRATION D325 MS695 MS695 D325 D325 D325 D325 D325 D325 D325 LGE Internal Use Only - 244 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 247: Hidden Menu
11. GPS BT WIFI Test 12. FM Radio Test 13. Loopback Test 14. Sensor Test 15. Touch Draw-Auto LGE Internal Use Only - 247 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 248 Phone contact with your fingers in the top of the sensor determine the sensor response - Far - Near Camera Test 1 Main Camera Preview LGE Internal Use Only - 248 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 249 • Check the Black display • Check the White display • Check the Home key LED • Check MURA 2.0 mm LGE Internal Use Only - 249 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 250 : Check sound • Check the sound Vibrator test A case-by-state vibration tests Touch window test Write with finger LGE Internal Use Only - 250 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 251 • Check the WIFI scanning • Check the BT scanning FM Radio Test • Check the FM Radio LGE Internal Use Only - 251 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 252 Audio Loopback Test • Check the Receiver loopback • Check the speaker loopback Sensor Test Touch Draw -Auto LGE Internal Use Only - 252 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 253 9. ABS On/Off Test 10. Touch LED Test(Not Implemented) LCD list - Manual Test - Automatic Test - Mura Test LGE Internal Use Only - 253 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 254 - Grid Touch Color change - Block Touch Test - Touch Firmware Version - Touch Firmware Upgrade - Check Touch Panel LGE Internal Use Only - 254 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 256 Reset SD Card ABS On/Off Test ELT Test Automatic Mode -> Test Automatically Manual Mode : Test selectivity LGE Internal Use Only - 256 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 257 - Audio Loopback -> test on the device is working (The ability to use plant) RF Cal Info LGE Internal Use Only - 257 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 258 - Baseband Version -Kernel Version - HW Version - Factory Version - Touch Firmware Version - Build finger print LGE Internal Use Only - 258 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 259 - USB Set for Data - BT Set for Data - UART Set for Data - Null port LGE Internal Use Only - 259 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 260 - Subsystem Calibration - MicAmp Calibration - Write All to EFS - Write All to MEM Camera Camera Clock Settings LGE Internal Use Only - 260 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 261 ERS Settings - Client Status - ERS Test ADC Info LCD Always On Switch to LCD Backlight ON/OFF LGE Internal Use Only - 261 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 262 10. HIDDEN MENU Auto Answer ATS Start Property On FastDormancy Mode LGE Internal Use Only - 262 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 263 - Log service - Fake Language - Mms Test - Flex test Factory Reset: - Factory Rest :Changing the Factory LGE Internal Use Only - 263 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 264 - SMPL Counter - BT DUT Setting Call Test - Auto Call Test - VC Auto answer - Call Duration LGE Internal Use Only - 264 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 265 - Edit UAString - Enable/Disable UAProfile - Edit UAProfile - View UASting/UAProfile - Display Certificates - Reset to default LGE Internal Use Only - 265 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 266 - Maing log - System log - Radio log - Events log - Kernel log - Packet log LGE Internal Use Only - 266 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 268 10. HIDDEN MENU WLAN Test WLAN performance on SW SyncML Test Charging Test LGE Internal Use Only - 268 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 272 10. HIDDEN MENU Thermal Daemon Mitigation OFF DM APP Enable/Disable Autorun Test LGE Internal Use Only - 272 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 273 10. HIDDEN MENU ATS Start Property ON/OFF Hiht Temperature Perperty OFF LG RCT Test LGE Internal Use Only - 273 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 276 1 -> 2 ->3 -> 4 -> 5 -> 6 Through the following sequence, User can input customized pattern of quadrant screen LGE Internal Use Only - 276 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 277 1 -> 2 -> 3 If user forgot Knock Code, User can unlock their device with customized backup PIN Code. LGE Internal Use Only - 277 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 278: Disassemble Guide
11. DISASSEMBLE GUIDE 1. Disassemble Battery Cover , Rear Disassemble sequence : 1 -> 2 -> 3 -> 4 LGE Internal Use Only - 278 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 279 1. Remove Touch, LCD, FPCB, Camera Connector from PCB 2. Remove Coaxial Cable from PCB 3. Remove PCB LGE Internal Use Only - 279 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 280 3. Remove Power, Volume, and Quick memo key from Frame 4. Remove Coaxial Cable and Screw from Lower FPCB LGE Internal Use Only - 280 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 281 11. DISASSEMBLE GUIDE 4. Disassemble FPCB Remove Sub FPCB from Frame 5. Disassemble Touch Window LGE Internal Use Only - 281 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 282 1. Keep 50oC Chamber for 10 min. 2. Remove Window by using Window disassemble Jig. 6. Disassemble LCD LGE Internal Use Only - 282 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 283: Exploded View & Replacement Part List
Camera Module EBP01 ACQ01 Cover Assembly,Front Camera Module EAC00 MBG00 Button,Side Rechargeable Battery,Lithium Ion ACQ00 MBG01 Button,Side Cover Assembly,Battery - 283 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 284: Replacement Parts
Pad, Motor COMPLEX LGD325F.ABRAWH ZZ:Without Color MCQ009400 Damper,Camera MCQ67487401 Pad, Camera_Main MOLD PC LGD325F.ABRAWH WH:WHITE WHITE MCK063300 Cover,Rear MCK67928701 LGE Internal Use Only - 284 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 285 PRESS AL 0.5 LGD325F.ABRAWH ZZ:Without MCK032700 Cover,Front MCK67912901 Color Insert,AL_Frame COMPLEX LGD325F.ABRAWH ZZ:Without Color MJB000000 Stopper MJB63369901 sts304 rivet LGE Internal Use Only - 285 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 286 COMPLEX LGD325F.ABRAWH ZZ:Without Color MJN01 Tape,Window MJN68669901 Tape, Window, Main_Bottom MJN107400 Tape,USP Film MJN68670001 COMPLEX LGD325F.ABRAWH ZY:Color Unfixed - LGE Internal Use Only - 286 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 287 E988_CIS_label Cover ACQ00 ACQ87208302 LGD325.ACISBK BK:Black D325_Battery Cover_BK Assembly,Battery MOLD PC LGD325.ACISBK BK:Black D325_Cover MCK004100 Cover,Battery MCK68126702 Battery_BK LGE Internal Use Only - 287 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 288 PRINTING CG300 CGR DG ZZ:Without Color MEZ047200 Label,Master Box MLAJ0004402 LABEL MASTER BOX(for CGR TDR 2VER. mbox_label) GSM standard_master box label LGE Internal Use Only - 288 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 289 EMR1307SWB4 30mW 32OHM 107DB EAB01 Receiver EAB62888201 300HZTO7KHZ PIN - EM-TECH TSMC-B408B CAPACITIVE TOUCH GFF 305 Touch Window EBD00 EBD61726302 Stack Up Melfas 134S 4.5 B to B Black Color LG Assembly INNOTEK.,LTD. EBR00 EBR77978001 LGD325F.ABRAWH 1.0 Flexible Assembly,Flexible PCB Assembly EBR070400 EBR77978101 LGD325F.ABRAWH 1.0 Flexible...
Page 290 AMOTECH CO., LTD. ICMEF112P500MFR COMMON MODE NOISE Filter,EMI/Power EAM62272401 FILTER 0HZ 0.0000000000001F 0H SMD R/TP - INNOCHIPS TECHNOLOGY LGE Internal Use Only - 290 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 291 CL05A225MP5NSNC 2.2uF 20% 10V X5R - Capacitor ECCH0007804 55TO+85C 1005 R/TP 0.5MM - SAMSUNG Ceramic,Chip ELECTRO-MECHANICS CO., LTD. LGE Internal Use Only - 291 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 292 C2353 C2354 C2372 C2373 C1047 R4003 MCR01MZSJ000 0OHM 5% 1/16W 1005 R/TP - Resistor,Chip ERHZ0000401 R4901 ROHM. R9010 LGE Internal Use Only - 292 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 293 Ceramic,Chip MURATA MANUFACTURING CO.,LTD. C9021 EVLC5S01015 5.5V 0% 15pF 0.6*0.3*0.33 NONE Varistor SEVY0008102 SMD R/TP AMOTECH CO., LTD. LGE Internal Use Only - 293 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 294 LQG15HS5N6S02D 5.6NH 0.3NH - 300mA - - Inductor L1037 ELCH0003836 0.2OHM 4.5GHZ 8 SHIELD NONE 1.0X0.5X0.5MM Multilayer,Chip R/TP MURATA MANUFACTURING CO.,LTD. LGE Internal Use Only - 294 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 295 MANUFACTURING CO.,LTD. Capacitor C0603C0G1H101JT00NN 100pF 5% 50V C0G - ECCH0009103 Ceramic,Chip 55TO+125C 0603 R/TP - - TDK CORPORATION LGE Internal Use Only - 295 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 296 ADK107BBJ476MA 47uF -20TO20% 4V X5R - Capacitor 55TO+85C 1608 R/TP 0.8T +0.2 L:1.6+0.2 C2363 EAE62927201 Ceramic,Chip W:0.8+0.2 T:0.8+0.2 KOREA TAIYO YUDEN.CO., LTD. LGE Internal Use Only - 296 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 297 CE JMK212 BJ476MG-T 47uF 20% 6.3V X5R - Capacitor C4157 ECCH0009603 55TO+85C 2012 R/TP 1.25mm - TAIYO YUDEN Ceramic,Chip CO.,LTD LGE Internal Use Only - 297 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 298 C8014 Capacitor EAE62843001 55TO+85C 1608 R/TP 0.8+-0.15 - SAMSUNG C8015 Ceramic,Chip ELECTRO-MECHANICS CO., LTD. LG HK0603 R10J-T 100NH 5% - 60mA - - 3.74OHM Inductor R9011 EAP61866601 900MHZ 4 SHIELD 0 0.6X0.3X0.3MM R/TP TAIYO Multilayer,Chip YUDEN CO.,LTD 0603LS-101XJEC 100NH 5% - 1.4A 0.13OHM Inductor 1.15GHZ 12 NON SHIELD NONE...
Page 299 LQG15HS3N3S02D 3.3NH 0.3NH - 300mA - - Inductor C1001 ELCH0003826 0.17OHM 6GHZ 8 SHIELD NONE 1.0X0.5X0.5MM Multilayer,Chip R/TP MURATA MANUFACTURING CO.,LTD. LGE Internal Use Only - 299 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 300 1005GC2T10NJLF 10NH 5% - 250mA 0.42OHM L1018 Inductor ELCH0004706 2.5GHZ 8 SHIELD NONE 1.0X0.5X0.5MM R/TP L1019 Multilayer,Chip PILKOR ELECTRONICS LTD. LGE Internal Use Only - 300 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 301 11.5x13.0x1.0 TR 162P NAND+DDR SDRAM FBGA 4GB eMMC v4.5+8Gb LPDDR2 MCP (20nm 32Gb MLC+29nm 4Gb 533MHz LPDDR2) HYNIX SEMICONDUCTOR INC. LGE Internal Use Only - 301 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 302 R/TP DAISHINKU CORPORATION. VA9601 VA9602 ICVL0518050FR 18V 0% 5F 1.0*0.5*0.55 NONE VA9603 Varistor SEVY0005101 SMD R/TP INNOCHIPS TECHNOLOGY VA9604 VA9605 LGE Internal Use Only - 302 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 303 CL05A106MP5NUNC 10uF 20% 10V X5R - Capacitor C4118 EAE62502901 55TO+85C 1005 R/TP 0.55T max. SAMSUNG Ceramic,Chip C5113 ELECTRO-MECHANICS CO., LTD. C5116 LGE Internal Use Only - 303 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 304 HK0603 68NJ-T 68NH 5% - 80mA - - 2.66OHM Inductor L5100 EAP61767601 1.1GHZ 4 SHIELD NONE 0.6X0.3X0.3MM R/TP Multilayer,Chip TAIYO YUDEN CO.,LTD LGE Internal Use Only - 304 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 305 MANUFACTURING CO.,LTD. WCN-3620-0-61WLNSP WiFi(11bgn)+BT4.0+FM IC for QMC 28nm BB, 3.32*3.55*0.63, 0.4pitch U5100 IC,WiFi EAN62698901 WLCSP R/TP 61P QUALCOMM INCORPORATED. LGE Internal Use Only - 305 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 306 ADK107BBJ476MA 47uF -20TO20% 4V X5R - Capacitor 55TO+85C 1608 R/TP 0.8T +0.2 L:1.6+0.2 C2363 EAE62927201 Ceramic,Chip W:0.8+0.2 T:0.8+0.2 KOREA TAIYO YUDEN.CO., LTD. LGE Internal Use Only - 306 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 307 MURATA MANUFACTURING CO.,LTD. WTR2605 2G/3G, WCDMA, GSM, EDGE, CDMA U3000 IC Assembly EAN62686601 and TDSCDMA Multi Mode QUALCOMM INCORPORATED. LGE Internal Use Only - 307 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 308 Multilayer,Chip MURATA MANUFACTURING CO.,LTD. SFRG42DB002 1842.50MHz/1960.00MHz FL1000 Filter,Saw,Dual EAM62792801 1.5x1.1x0.60t SMD R/TP 10P WISOL.CO.,LTD LG HK0603 82NJ-T 82NH 5% - 70mA - - 3.37OHM Inductor L5101 EAP61866701 1GHZ 4 SHIELD 0 0.6X0.3X0.3MM R/TP TAIYO Multilayer,Chip YUDEN CO.,LTD LQG15HS1N0S02D 1NH 0.3NH - 300mA - -...
Page 309 SAD34367301 Windows - Driver Software SAD010100 SAD34402901 Android KK - PCSuiteV - - WORLD WIDE QCT - Application LGE Internal Use Only - 309 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 310: Accessory
MBM068900 Card,Service Guide MBM64256801 PRINTING LGD325.ACISWH ZZ:Without Color - MBM087200 Card,Warranty MCDF0011303 COMPLEX GD350 CISBK ZZ:Without Color - LGE Internal Use Only - 310 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...

LG -D325 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

Related Manuals for LG LG-D325

Summary of Contents for LG LG-D325

Table of Contents