Page 1 Internal Use Only Service Manual LG-E425 Date: April, 2013 / Issue 1.0...
Page 2: Table Of Contents
4.17 DC Motor Trouble Shooting ............82 4.18 SIM detect Trouble Shooting ............84 4.19 Audio Troble ..................87 LGE Internal Use Only - 2 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 4 • When returning system boards or parts like EEPROM to the factory, use the protective package as described. LGE Internal Use Only - 4 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 5: Performance
MSM7225A: Qualcomm Digital Baseband Analog Baseband PM8029 : Qualcomm RF Chip RTR6285A : Qualcomm LGE Internal Use Only - 5 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 6: Hw Features
SIM card type 3V /1.8V Main LCD Display TFT Main LCD(3.2 inch, 320 x 240 ) LGE Internal Use Only - 6 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 7 CDROM Stereo Headset Data Cable T-Flash Yes ( Up to 32GB ) (External Memory) LGE Internal Use Only - 7 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 8 Standard Voltage : 3.7 V, Battery Full Charge Voltage : 4.1V ~ 4.2V Standard Voltage : 3.7 V, Battery Full Charge Voltage : 4.1V ~ 4.2V LGE Internal Use Only - 8 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 9 (No call) BAR 10 -> 9 48%  47% POWER OFF Below 1% LGE Internal Use Only - 9 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 10: Sw Features
There is no limitation on the number Group of items. It depends on available memory amount. LGE Internal Use Only - 10 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 11 Over the Web Game Calendar Memo World Clock Unit Convert Stop Watch Wall Paper LGE Internal Use Only - 11 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 12 Class 12 Hold / Retrieve Conference Call Max. 6 DTMF Memo pad SyncML Email LGE Internal Use Only - 12 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 13: Hw Spec
AM Suppression GSM : -31dBm -98dBm/-96dBm (2.439%) DCS : -29dBm Timing Advance ± 0.5T LGE Internal Use Only - 13 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 14 < 17.5 %, when Pout ≥ -20 dBm Peak Code Domain Error < -15 dB at Pout ≥ -20 dBm LGE Internal Use Only - 14 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 15 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 - 15 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 16 > 43 dB @ ±10 MHz Error Vector Magnitude < 17.5 %, when Pout ≥ -20 dBm LGE Internal Use Only - 16 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 17 ≥ -10dBm(1Mbps,2Mbps,5.5Mbps,11Mbps) @ FER ≤ 8% Rx Adjacent Channel ≥ 35dB @FER ≤ 8%, Rejection interference input signal -70dBm@fc±25MHz(11Mbps) LGE Internal Use Only - 17 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
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 © 2013 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 © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 20 1574.42 MHz ~ 1576.42 MHz 1 satellite ≥-142dBm, 7 satellites ≥ -147dBm at coarse time Minimum Sensitivity aiding LGE Internal Use Only - 20 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 21: Cic And Service Center
2. To move it to PC, follow #1. Select a file in the movable disk window and copy it into 1.PC<-> SD CARD Development requests 2.PHONE<-> SD CARD LGE Internal Use Only - 21 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 22 How do I make an e-mail account? Sign up and create an email account on a service provider’s home(e.g. http://www. gmail.com, http://www.yahoo.com, http://www.hotmail.com). LGE Internal Use Only - 22 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 23 3. Simply, AP info does not match the info saved on the phone. 1) Make sure the AP info entered on the phone, e.g. security type and password is correct. LGE Internal Use Only - 23 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 24 What should I do to connect PC Sync program with the phone? Connect the USB Cable. On the phone, select as the connection mode ‘LG Software’ > Run ‘PC Suite, ’ and connection is made automatically. If not, go to PC Suite main screen and select Connect Phone > USB Cable Connection.
Page 25 This terminal does not support Wifi-Direct features. Smart Share error occurs. This terminal does not support Wifi-Direct features. LGE Internal Use Only - 25 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 26 (BT/Wifi/GPS) How is the distribution schedule of OS or SW new version known? Go to Setting -> Phone Info -> ‘Software Update’ or visit LG Mobile’s home page. LGE Internal Use Only - 26 - Copyright © 2013 LG Electronics. Inc. All right reserved.
Page 27 As In-Box items, Headset (Stereo), TA and Data cable are supported. Visit a service center to purchase additional accessories. (It depends on options.) LGE Internal Use Only - 27 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 28 GPS is turned on as default. Turn off GPS, which will help reduce battery consumption. LGE Internal Use Only - 28 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 29 1) Default available memory capacity on the phone is marked in the image attached. Development requests 2) Actual memory size available to customers need be marked. LGE Internal Use Only - 29 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 30: Trouble Shooting
RF Transceiver FL1006 W2100 U1003 W900 FL1007 U1002 W2100 FL1003 W900 DPX SW100 W2100 Rx SAW Mobile Switch LGE Internal Use Only - 30 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 31 DCS/PCS Rx saw filter FL1004 WCDMA (I) TX SAW Filter X2000 VCTCXO(19.2MHz) FL1006 WCDMA (I) Duplexer SW1000 RF Antenna Connector LGE Internal Use Only - 31 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 32: Signal Path
WCDMA I and VIII Band TX Signal PATH D2. WCDMA 2100 TX PATH E2. WCDMA 900 TX PATH F1. COMMON TX/RX PATH LGE Internal Use Only - 32 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 33 WCDMA I and VIII Band RX Signal PATH D1. WCDMA 2100 RX PATH E1. WCDMA 900 RX PATH F1. COMMON TX/RX PATH LGE Internal Use Only - 33 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 34 4. TROUBLE SHOOTING GSM850/GSM900/DCS/PCS’s RX/TX Signal PATH A. GSM850/GSM900/DCS1800/PCS1900 RX PATH B. GSM850/GSM900/DCS1800/PCS1900 TX PATH C1. COMMON TX/RX PATH LGE Internal Use Only - 34 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 35: Checking Tcxo Block
Clesed to TCXO C2017 R2003 VCONT TRK_LO_ADJ TCXO_RTR_19.2MHZ 19.2MHz C2009 Rev.D update Schematic of the Crystal Part (19.2MHz) LGE Internal Use Only - 35 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 36 2.4V ≥ Voltage ≥ 0.4V Check MSM7225A Check TP3 Check soldering and 19.2 MHz Signal components TCXO is OK LGE Internal Use Only - 36 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 37: Checking Gsm Tx Module(Gsm Pam + Asm) Block
4. TROUBLE SHOOTING 4.4 Checking GSM TX Module(GSM PAM + ASM) Block VBATT(TP1) ANT_SEL1 ANT_SEL0 ANT_SEL2 TX_EN LGE Internal Use Only - 37 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 38 STAND-BY GTX_LB HIGH HIGH GTX_HB HIGH HIGH HIGH GRX_LB HIGH GRX_HB HIGH HIGH WTRX_HB HIGH HIGH WTRX_LB HIGH LGE Internal Use Only - 38 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 39 Check ANT_SEL 0,1,2,3 High Level 1.2V < Voltage < 3V Check the TP1(VBATT) Check the Logic In each mode LGE Internal Use Only - 39 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 40: Checking Wcdma Block
3. Check RF Tx Level 4. Check PAM Block Refer to 1.5.4 5. Check RF Level 6. Ro-download SW & Cal. LGE Internal Use Only - 40 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 41 Refer to 4.3 4.5.2. Checking Tx Module Block Refer to 4.4 4.5.3. Checking RF TX Level Test Point (TX Level) LGE Internal Use Only - 41 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 42 C1111 W850_W900_RTX REV_1.1 L1034 3.9p C1112 L1033 5.6n GND1 GND2 GND5 C1117 C1116 GND3 GND4 8.2n Band VIII LGE Internal Use Only - 42 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 43 Check PAM Block Refer to 1.5.4 RTR6285 Maximum output Power = 7 dBm RTR6285 minimum output Power = -80 dBm LGE Internal Use Only - 43 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 44 When PAM is under the operation of high power mode (PA_R0(C1093) : Low), PAM OUT power must be over 21 dBm PAM IN power must be under 10 dBm LGE Internal Use Only - 44 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 45 RF Tx Level is OK Check TP2 PA_R0 ≥ 2.6V Check MSM7225A Check TP1 Over 10 dBm? Check RTR6285A Change the board LGE Internal Use Only - 45 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 46 4. TROUBLE SHOOTING 4.5.5. Checking RF Rx Level Test Point (RF Rx Level) Bias LGE Internal Use Only - 46 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 47 TRX1 VRAMP TXEN PGND1 MODE PGND2 GND9 C1046 100p PGND3 PGND4 PGND5 PGND6 PGND12 PGND11 PGND10 L1009 8.2n LGE Internal Use Only - 47 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 48 W2100 RX(2110 - 2170 MHz) RX_WCDMA_2100_LNA_OUT _OUT C1083 G1 G3 2140MHz C1086 L1024 8.2n WB2100_MIX_INM R1016 1.8n RX_WCDMA_1900_LNA_OUT LGE Internal Use Only - 48 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 49 Check TP4 Signal exist? DNI  SKIP Check TP5 Signal exist? Check RTR6285 and Rx SAW filter Change the board LGE Internal Use Only - 49 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 50: Checking Gsm Block
1. Check TCXO Block 2. Check Tx Module 3. Check RF TRX Level 4. Ro-download SW & Cal. LGE Internal Use Only - 50 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 52 4.6.1 Checking TCXO Block Refer to 4.3 4.6.2 Checking Tx module Block Refer to 4.4 4.6.3 Checking RF TX level LGE Internal Use Only - 52 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 53 C1038 C1118 6.8p 100p R1006 GSM850_GSM900_TX GSM850(824-849MHz) GSM900(880-915MHz) 11dB ANT_SEL1 ANT_SEL2 C1125 C1124 Schematic of GSM/DCS/PCS Tx Block LGE Internal Use Only - 53 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 54 Refer to 4.4 No Problem Check RTR & PAD Check soldering and components Still exist Problem Change the board LGE Internal Use Only - 54 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 55 GSM850_Bal_OUT2 L1009 GSM(869-894 MHz) 8.2n GND3 GSM850_Bal_OUT1 L1012 L1013 L1036 8.2n RX_GSM_850_M FL1001 Schematic of GSM/DCS/PCS Rx Block LGE Internal Use Only - 55 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 56 Check RF Switch (M/S) Check Tx Module Check TP2 Signal exist ? Refer to 4.4 Change the board LGE Internal Use Only - 56 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 57: Gps/Wifi/Bt Rf Component
GPS Component Reference Description ANT1004 C-CLIP connected to Carrier type antenna FL1005 GPS SAW FILTER U1004 GPS LNA LGE Internal Use Only - 57 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 58 BT/WiFi Component Reference Description ANT9001 ANTENNA PAD connected to Carrier type antenna U9000 BT module U9001 WiFi module FL9000 LGE Internal Use Only - 58 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 59: Gps/Wifi/Bt Signal Path
GPS Rx PATH BT TRx WLAN_Rx WLAN_Tx WiFi / BT Signal PATH WiFi / BT Txand Rx PATH LGE Internal Use Only - 59 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 60: Gps/Wifi/Bt Trouble Shooting
R1021 5.6n VREG_RF_2.7V_RTR 4.7n C1105 C1106 0.1u L1032 R1023 GPS_MODE GPS_IN FIL_OUT 3.3n U1004 C1113 C1114 C1115 6.8p LGE Internal Use Only - 60 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 61 Check TP1 About 2.7V? Check power LRC filter soldering Check TP2 About 2.6V? Check SW and NV item Change the board LGE Internal Use Only - 61 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 62 4.9.2 WLAN/BT/FM Block START 1. Check the Power 2. Check the Clock 3. Check the Module Component Change LGE Internal Use Only - 62 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 63 C9011 2400MHz,2500MHz C9012 BT_RF_QCT C9013 C9014 ANTENNA SWITCH MODULE LOGIC WiFi RX-ANT HIGH WiFi TX-ANT HIGH BT-ANT HIGH LGE Internal Use Only - 63 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 64 GND_A19 GND_A20 FB9001 +3V_WLAN_WCN C9042 C9043 C9041 2.2u 0.1u 100p colse to pin78 [Figure] Schematic of WiFi/BT module LGE Internal Use Only - 64 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 65 START Check the power block TP1, 2, 3 is OK? SDIO ok? Module Check UART ok? Board Change LGE Internal Use Only - 65 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 66: Power On Trouble Shooting
(VREG_P3_2.85V) (VREG_MSMA1_2.6V) (VREG_MSMA2_1.2V) (VREG_TCXO_2.85V) Is clock ok? Change the Main board TP2 (X2000) : 19.2M Redownload SW image LGE Internal Use Only - 66 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 68 4. TROUBLE SHOOTING VREG_TCXO_2.85V VREG_MSMA1_2.6V VREG_P3_2.85V VREG_MSME_1.8V VREG_MSMA2_1.2V VREG_MSMC2_1.1V VREG_MSMC1_1.1V LGE Internal Use Only - 68 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 69: Charging Trouble Shooting
- Connection of TA or USB Cable - Check the Charging IC - Charging IC (BQ25040) - Check the battery - Battery LGE Internal Use Only - 69 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 70 Check changing IC(U4000) SMT status by X-ray. Exchange changing IC or change the Main board and reset. Charger Troubleshoot Flow U4000 LGE Internal Use Only - 70 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 71: Ff Camera Trouble Shooting
MCLK(TP1), Reset(TP2), PWDN(TP3) Check IOVDD(TP4), DVDD(TP5), AVDD(TP6) Change the camera Camera is OK? Change the Main board LGE Internal Use Only - 71 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 72 CAM_MCLK MIPI_CSI_CLKN MIPI_CSI_CLKP MIPI_CSI_DN MIPI_CSI_DP CAM_IOVDD_1.8V CAM_RESET_N CAM_I2C_SDA CAM_PWDN CAM_I2C_SCL C5002 C5003 C5004 VA5003 VA5004 2.2u 2.2u 4.7u LGE Internal Use Only - 72 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 74: Main Lcd Trouble
Disconnect and reconnect LCD connector LCD display OK? Check Power VREG_MSME_1.8V(TP1) VREG_LCD_2.8V(TP2) Change the LCD Module Change the Main board LGE Internal Use Only - 74 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 76: Proximity Sensor On/Off Trouble Shooting
SCL Output & Prox_out (TP1,2,3) Work well? Chang the main board Measurement VREG_MSME_1.8V VREG_PROX_2.6V PROX_OUT PROX_I2C_SCL / SDA LGE Internal Use Only - 76 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 77 4. TROUBLE SHOOTING Proximity sensor VREG_MSME_1.8V VREG_PROX_3.0V VREG_MSME_1.8V U9002 PROX_I2C_SDA PROX_OUT PROX_I2C_SCL LEDK LEDA C6004 C6005 LGE Internal Use Only - 77 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 78: Motion Sensor On/Off Trouble Shooting
Change the Motion Sensor U6000 Check Motion_INT output Work well? Change the Main board Measurement VREG_MSME_1.8V MOTION_INT MOTION_I2C_SDA / SCL LGE Internal Use Only - 78 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 79 4.7K SENSOR_I2C_SDA R6005 VREG_MSME_1.8V SENSOR_I2C_SDA SENSOR_I2C_SCL MOTION_INT INT1 U6000 VDDIO INT2 GND3 C6002 COMPASS_DRDY DRDY C6001 0.1u 0.1u LGE Internal Use Only - 79 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 80: Compass Sensor On/Off Trouble Shooting
Change the Motion Sensor U6000 output(TP1) Change the Main board Work well? Measurement VREG_MSME_1.8V MOTION_I2C_SCL / SDA COMPASS_DRDY LGE Internal Use Only - 80 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 81 4.7K SENSOR_I2C_SDA R6005 VREG_MSME_1.8V SENSOR_I2C_SDA SENSOR_I2C_SCL MOTION_INT INT1 U6000 VDDIO INT2 GND3 C6002 COMPASS_DRDY DRDY C6001 0.1u 0.1u LGE Internal Use Only - 81 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 82: Dc Motor Trouble Shooting
Change the PMIC TP1 and TP2 Change the Main board Change thr Motor, working well ? Measurement VBAT VIB_DRV_N LGE Internal Use Only - 82 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 84: Sim Detect Trouble Shooting
Change the Main B/D or 3.0V? TP3 is 1.8V or 3.0V and active? Change the Main B/D Measurement VREG_RUIM1_3.0V SIM1_RST SIM1_IO LGE Internal Use Only - 84 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 85 VCC GND1 SIM1_RST SIM1_CLK SIM1_IO GND2 GND5 C8000 VA8000 GND3 GND4 VA8002 VA8003 VA8004 C8002 C8003 C8004 C8005 0.1u LGE Internal Use Only - 85 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 87: Audio Troble
The sine wave appears at Change the U4001 (PMIC) R4023, R4021(TP3)? Change the U2000 (MSM7225A) or Change the main PCB LGE Internal Use Only - 87 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 88 RCV_N R4023 SPKR_BYP_P RCV_P FB4000 SPK_RCV_N SPKR_OUT_M FB4001 SPKR_OUT_P SPK_RCV_P R4025 GSM_PA_DAC_REF FB4000,FB4001(TP2) U4001 R4023, U2000 R4021 (TP3) LGE Internal Use Only - 88 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 89 The sine wave appears at Change the U4001 (PMIC) C4040, C4041(TP2)? Change the U2000 (MSM7225A) or Change the main PCB LGE Internal Use Only - 89 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 90 HPA_OUT_R R4021 SPKR_BYP_M RCV_N R4023 SPKR_BYP_P RCV_P FB4000 SPK_RCV_N SPKR_OUT_M FB4001 SPKR_OUT_P SPK_RCV_P U4041, U4040(TP2) R4025 GSM_PA_DAC_REF U4001 LGE Internal Use Only - 90 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 91 The Sine wave appears at Change the U4000 (PMIC) C4062, C4042(TP3)? Change the U2000 (MSM7225A) or Change the main PCB LGE Internal Use Only - 91 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 92 R4021 SPKR_BYP_M RCV_N R4023 SPKR_BYP_P RCV_P FB4000 SPK_RCV_N SPKR_OUT_M FB4001 SPKR_OUT_P SPK_RCV_P R4025 GSM_PA_DAC_REF C4042, C4062(TP3) FB4000,FB4001(TP2) U4001 LGE Internal Use Only - 92 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 93 Change the U2000 (MSM7225A) or Some sound signal appears at C2015,C2014 (TP3)? Change the Main PCB Work Well? LGE Internal Use Only - 93 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 94 R7013 MIC_1P R7007 C7018 R7014 MIC500 MIC_1N R7008 R7015 VA7009 VA7010 C7013 C7014 R7016 MIC501 U2000 C2014,C2015(TP3) C2003(TP1) LGE Internal Use Only - 94 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 95 Change the CN7001 Change the U2001 (MSM7225A-0-AB) Some sound signal appears at C2008 (TP4)? or Change the Main PCB LGE Internal Use Only - 95 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 96 C7023 C7024 C7026 0.1u 470p M6-GND FB7002 1800 M1-R M4-DETECT 1800 FB7003 M4-L 1800 FB7004 M5-MIC CN7001 ZD7000 LGE Internal Use Only - 96 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 97 4. TROUBLE SHOOTING MIC_BIAS VREG_MSME_1.8V C2002 C2001 C2003 0.1u C2016 0.1u R7012(TP2) U2000 U7000 C2008(TP4) C7024(TP1) LGE Internal Use Only - 97 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 98: Download
Release 2011.11.01 Please Check the Version to “B2B” Name Part No. D/L Cable Micro 5P (56-open-910K) USB DLC RAD32167835 LGE Internal Use Only - 98 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 99 5. DOWNLOAD [LGFLASHv141] E425 MS695 E425 MS695 MS695 - 99 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes [LGFLASHTool1350]...
Page 100 5. DOWNLOAD E425 MS695 [LGFLASHv141]LGE425_20130308_Download [LGFlashTool1.3.77.21]LGMS695_20120208_Download E425 [LGFLASHv141] LGE Internal Use Only - 100 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 111 5. DOWNLOAD [LGFLASHv141]LGE425_20130308_Download [LGFlashTool1.3.77.21]LGMS695_20120208_Download LGE425_20130308.dll LGMS695_20120208.dll LGE425_130308 LGMS695_20120208 LGE425 MS695 [LGFLASHv141]LGE425_20130308_Download [LGFlashTool1.3.77.21]LGMS695_20120208_Download LGE425-011-V10c-310-410-OCT-19-2011+1.tot MS695 LGE425 MS695 LGE Internal Use Only - 111 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 112 5. DOWNLOAD LGE425 E425 LGE425 LGE425 LGE425 MS695 LGE425 MS695 LGE Internal Use Only - 112 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 118: Block Diagram
SIM1 USBPHY PS_HOLD GPIO25 PS_HOLD USIM1 nPON_RST PON_RESET_N VIB_DRV_N RESIN_N PM8029 Charging V_BAT RT9524 1500mAh XTAL VIBRATOR 32.768KHz LGE Internal Use Only - 118 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 119 VREG_LCD_2.8V VREG_L10 MLED[1:4] VBAT CAM_AVDD_2.8V Backlight CAM_DVDD_1.2V charge pump 3M CAM CAM_IOVDD_1.8V VREG_PROX_3.0V LGE430 Power Block Diagram PROXIMITY LGE Internal Use Only - 119 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 120 HPH_R HPH_R SPKR_IN_P SPK_RCV_P SPKR_OUT_P RCV_N SPK_RCV_N EAR1_ON SPKR_BYP_M SPKR_OUT_M RCV _P EAR1_OP SPKR_BYP_P LGE430 Audio Block Diagram LGE Internal Use Only - 120 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 121 TCXO W2100 Rx SAW B9411 GPS_IN GPS LNA TCXO TRX_LO_CNK VCONT GPS BPF GPS_LNA_EN LGE430 RF Block Diagram LGE Internal Use Only - 121 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 122 BT_PCM_IN GPIO_68 BT_PCM_OUT BT_PCM_OUT GPIO_69 BT_PCM_IN SLEEP_CLK 32.7678KHz BT_PCM_SYNC GPIO_70 BT_PCM_SYNC BT_PCM_CLK BT_PCM_CLK GPIO_71 LGE430 BT/WLAN/FM Block Diagram LGE Internal Use Only - 122 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 123: Circuit Diagram
C1117 C1116 GND3 GND4 8.2n L1032 R1023 GPS_MODE GPS_IN Band VIII FIL_OUT 3.3n U1004 C1113 C1114 C1115 6.8p - 123 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 124 GPS_MODE EBI2_DATA[12] AN15 GPIO_82 EBI2_DATA[13] EBI2_A_D_13 AT14 GPIO_83 FM_RDS_INT EBI2_DATA[14] EBI2_A_D_14 GPIO_84 EBI2_DATA[15] EBI2_A_D_15 MSM_USIM2_CLK GPIO_85 VREG_MSME_1.8V R2013 - 124 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 125 C3063 C3064 C3065 C3055 C3056 C3057 C3058 470n 470n 470n 470n 470n 470n 470n 470n 470n 470n 470n - 125 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 126 Seperate from Main Ground 100K OPEN 100K 5.6K 100K 100K 19.1K 100K 100K 100K 100K 100K 100K 130K 100K OPEN - 126 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 127 LED_RED RGB_CLK R5102 LCD_PWM LED_GREEN C5010 TRIG LED_BLUE ADDR_SEL0 ADDR_SEL1 VBAT VREG_PROX_3.0V CAM_AVDD_2.8V CAM_DVDD_1.2V CAM_IOVDD_1.8V C5016 C5015 2.2u - 127 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 128 L7002 R7025 C7022 C7023 C7024 C7026 4POLE C7007 C7008 ZD7000 C7009 C7010 C7011 8.2p 0.1u 470p 100n R7006 - 128 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 129 VOLUME SIDEKEY SW600 R8013 KEY_COL[1] R8010 KPD_PWR_N R8009 KEY_ROW[0] R8011 KEY_COL[0] CN8001 R8012 R8014 KEY_ROW[1] KEY_ROW[2] VA8015 CN8002 - 129 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 130 GND_A18 100p 100p WLAN_SDIO[0] SDIO_DATA0 GND_A19 GND_A20 FB9001 +3V_WLAN_WCN C9042 C9043 C9041 2.2u 0.1u 100p colse to pin78 - 130 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 131 VREG_TOUCH_3.0V LD6005 KEY_LED[2] LD6007 CN6000 VA6005 R6017 LED_BLUE TOUCH_I2C_SCL R6018 LED_RED TOUCH_I2C_SDA R6019 LED_GREEN TOUCH_INT TOUCH_ID VA6000 VA6001 - 131 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 132: Bga Pin Map
8. BGA PIN MAP 8. BGA PIN MAP U3001 - Memory MCP (Top View) U3001 - Memory MCP (Top View) LGE Internal Use Only - 132 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 133 8. BGA PIN MAP U2000 - MSM7225A (Top View) U2000 - MSM7225A (Top View) LGE Internal Use Only - 133 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 134 8. BGA PIN MAP U4001 - PM8029 (Bottom View) U4001 - PM8029 (Bottom View) NOT IN USE LGE Internal Use Only - 134 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 135 8. BGA PIN MAP U1000 - RTR6285A (Top View) U1000 - RTR6285A (Top View) NOT IN USE LGE Internal Use Only - 135 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 136 8. BGA PIN MAP U9000 – WCN2243 (BT/FM) (Top View) U9000 – WCN2243 (BT/FM) (Top View) LGE Internal Use Only - 136 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 137 8. BGA PIN MAP U9001 – WCN1314 (WiFi) (Top View) U9001 – WCN1314 (WiFi) (Top View) NOT IN USE LGE Internal Use Only - 137 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 138: Pcb Layout
VA8012 D7000 R8007 R8006 VA8013 C7001 VA8008 R6012 R6011 R6016 R6017 LD6002 LD6001 R6015 R6018 R6014 R6019 LG-E425_MAIN_EAX65033701_1.1_TOP - 138 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 139 - no Speaker/Headset Sound etc CN6000 : Touch Connector CN5000 : Camera Connector - no Touch Function - no Camera Function LG-E425_MAIN_EAX65033701_1.1_BOT - 139 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 140: Calibration
2. Port Setting (Refer to Attached image) 1) Uart Port1 : Use the “LGE CDMA USB Serial Port” LGE Internal Use Only - 140 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 141 10. CALIBRATION E425 MS695 [TachyonV40] LGE425 20130403 ALL file Calibration [Tachyon36]LGMS695_20120213_Calibration LGE Internal Use Only - 141 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 145 10. CALIBRATION E425 MS695 LGE425 LGE425 E425 MS695 E425 MS695 MS695 E425 MS695 E425 MS695 E425 MS695 LGE425 LGE Internal Use Only - 145 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 148 10. CALIBRATION 5.3V 5 0V 5.0V MS-156C MS-156C BJAY0024004 5.3V RAD32167861 LGE Internal Use Only - 148 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 157 10. CALIBRATION E425 MS695 E425 E425 MS695 MS695 E425 MS695 MS695 E425 MS695 E425 MS695 E425 MS695 LGE Internal Use Only - 157 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 160: Hidden Menu
Start the desired menu: Menu, click Version Info Classified Information representation -> Hidden Menu -> Settings -> Version Info LGE Internal Use Only - 160 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 161 Allauto Test : -> You can test all functions automatically Auto All Test Result -> You can check Test Results LGE Internal Use Only - 161 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 162 SIM switch key : Touch Key Proximity Sensor : Bilnd the Proximity sensor Camera Test – Snapshot Touch screen to capture LGE Internal Use Only - 162 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 163 Camera is recoding for 5 seconds 2D LCD Display Test Check Black & White Color Sound Test Touch the “Play” button LGE Internal Use Only - 163 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 164 Draw a guide line Motion Sensor Test Check 3 positions -> Position side -> Position horizontally -> Position Vertically LGE Internal Use Only - 164 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 165 87.5 Mhz is scanned automatically -> Connect ear-jack Sound Loopback Test “On” is test mode on “Off” is test mode off LGE Internal Use Only - 165 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 166: Disassemble Guide
12. DISASSEMBLE GUIDE 12.DISASSEMBLE GUIDE 1. Disassemble Battery Cover Take apart the battery cover using nail-hole below LGE Internal Use Only - 166 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 167 12. DISASSEMBLE GUIDE 2. Disassemble Battery & Screw Screw rear (Silver) Take apart the battery and remove screw (6points) LGE Internal Use Only - 167 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 168 Hook off the bottom of Front cover by using a disassembling paddle Take apart the Rear cover out of Front cover starting from left LGE Internal Use Only - 168 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 169 Widen the gap between Front Hook off the left side for disassembling Main PCB cover and main PCB and hook off LGE Internal Use Only - 169 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 170 5. Disassemble Side volume key & Contact Dome Pull Side key to the right side Detach the contact dome from Front cover LGE Internal Use Only - 170 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 171 Take apart the LCD out of Front cover Tip : Easy to take apart the LCD module from top side LGE Internal Use Only - 171 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 172 Take apart the Motor, Camera and Speaker module out of Bracket Speaker by using pincette Detach the Bracket Speaker from the main PCB LGE Internal Use Only - 172 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 174: Exploded View & Replacement Part List
SJMY00 Gasket Rechargeable Battery,Lithium Ion MDS00 EAC00 Sheet Cover,Battery MHK00 ACQ02 Tape MJN01 Tape,Window MJN02 Cover Assembly,Rear ACQ01 - 174 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 175: Replacement Parts
MBL65463601 MOLD RUBBER LGE435F.ABRABK BK:Black - Cover Assembly LGE430.ADEUBK BK:BLACK BLACK E430 FRONT ACQ033200 ACQ86340002 Front(Sub) ASSY (SUB) INDIGO BLACK LGE Internal Use Only - 175 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 176 Cover ACQ01 ACQ86340122 LGE425F.AVIVBK GR:Gray - Assembly,Rear Cover Assembly LGE430.AVDIBK GR:Gray E430 Cover ACQ105801 ACQ86340202 Rear(SVC) Assembly,Rear(SVC) BK LGE Internal Use Only - 176 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 177 MGJ63571901 COMPLEX LGE430.AVDIKT ZZ:Without Color - LGE430.AVDIKT ZZ:Without Color E430 Can ABM00 ABM73917501 Assembly,Shield Assembly,Shield MEV000000 Insulator MEV64346601 COMPLEX LGE435F.ABRABK ZZ:Without Color - LGE Internal Use Only - 177 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 178 MEZ000000 Label MLAZ0050901 Battery Warning Label (Lithium ion Battery Label) GD510 BALBK BK,ZZ,EU1 AGJ000000 PALLET ASSY APLY0003901 TYPE_Body(SW)+Cap(EU)+AL_1200EA LGE Internal Use Only - 178 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 179 MPCY0012403 COMPLEX KG800 FRABK DB:DARK BLUE - AAD000000 Addition Assembly AAD86353801 LGE425.AAREBK BK:BLACK BLACK - ACQ02 Cover,Battery MCK67564402 MOLD PC LGE430.ADEUBK BK:BLACK BLACK - LGE Internal Use Only - 179 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 180 Spec Remark LH320Q01-SD01 QVGA 3.2INCH 320X240 400CD EAJ00 LCD Module EAJ62311101 COLOR 60% 4/3 500 60Hz Inverter N LED - - LG Display Co. Ltd. STWC-L0038E CAPACITIVE TOUCH PFF Melfas Touch Window EBD00 EBD61526403 MMS128s 3.2 Inch BTOB Black Mirror Key Icon Assembly Window SUNTEL CO.,LTD.
Page 181 C1005X5R1A105KT000F 1uF 10% 10V X5R - C4023 Capacitor ECZH0001215 55TO+85C 1005 R/TP - TDK KOREA C4067 Ceramic,Chip COOPERATION C5009 C5017 C5018 C7023 LGE Internal Use Only - 181 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 182 CL-425F-C1CC-SD-TS RED/GREEN/BLUE 3.1 LD6006 LED,Array EAV62094101 30mA 360mcd 625 125mW 3527 R/TP 4P common LD6007 cathode type CITIZEN ELECTRONICS CO.,LTD. LGE Internal Use Only - 182 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 183 CSP R/TP 137P QUALCOMM INCORPORATED. PM8029 3 to 4.4V adj 1.3W NSP R/TP 140P - U4001 IC,PMIC EAN62090501 QUALCOMM INCORPORATED. LGE Internal Use Only - 183 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 184 C9025 MCH155C150J 15pF 5% 50V NP0 -55TO+125C Capacitor C7008 ECCH0000112 1005 R/TP - ROHM Semiconductor KOREA Ceramic,Chip CORPORATION LGE Internal Use Only - 184 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 185 MCH155CN332KK 3.3nF 10% 50V X7R - Capacitor C4037 ECCH0000149 55TO+125C 1005 R/TP - ROHM Semiconductor Ceramic,Chip KOREA CORPORATION LGE Internal Use Only - 185 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 186 C1005C0G1H6R8CT000F 6.8pF 0.25PF 50V NP0 - Capacitor C1115 ECCH0001001 55TO+125C 1005 R/TP - TDK KOREA Ceramic,Chip C1118 COOPERATION LGE Internal Use Only - 186 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 187 55TO+85C 1608 R/TP - MURATA C1096 Ceramic,Chip MANUFACTURING CO.,LTD. GRM188R60J106M 10000000 Capacitor C1053 ECCH0005604 pF,6.3V,M,X5R,TC,1608,R/TP,0.8 mm MURATA Ceramic,Chip MANUFACTURING CO.,LTD. LGE Internal Use Only - 187 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 188 C4028 ECZH0000813 55TO+125C 1005 R/TP - TDK KOREA Ceramic,Chip C9000 COOPERATION C9003 C9031 C9039 C9040 C9043 L1010 L1028 LGE Internal Use Only - 188 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 189 C7023 C1005X5R1A224KT000E 220nF 10% 10V X5R - Capacitor C9034 ECZH0001216 55TO+85C 1005 R/TP - TDK KOREA Ceramic,Chip COOPERATION LGE Internal Use Only - 189 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 190 C9036 C1608X5R0J225KT000N 2.2uF 10% 6.3V X5R - Capacitor C7015 ECZH0001421 55TO+85C 1608 R/TP - TDK KOREA Ceramic,Chip COOPERATION LGE Internal Use Only - 190 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 191 LL1005-FHL68NJ 68NH 5% - 180mA 1.7OHM Inductor L9003 ELCH0001431 1.3GHZ 10 SHIELD NONE 1.0X0.5X0.5MM R/TP Multilayer,Chip TOKO, INC. LGE Internal Use Only - 191 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 192 1005GC2T3N9SLF 3.9NH 0.3NH - 300mA Inductor L1021 ELCH0004712 0.22OHM 4GHZ 8 SHIELD NONE 1.0X0.5X0.5MM Multilayer,Chip L1026 R/TP PILKOR ELECTRONICS LTD. LGE Internal Use Only - 192 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 193 FEMALE SMD R/TP 1M - LS Mtron Ltd. Connector KQ03LV-3R 3,2.5 mm,STRAIGHT,Gold,Twin One CN4001 ENZY0030401 Terminal Block board 5.4mm HIROSE KOREA CO.,LTD LGE Internal Use Only - 193 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 194 MCR01MZP5F49R9 49.9OHM 1% 1/16W 1005 R2008 Resistor,Chip ERHZ0000291 R/TP - ROHM. MCR01MZP5J102 1KOHM 5% 1/16W 1005 R/TP - R7002 Resistor,Chip ERHZ0000404 ROHM. LGE Internal Use Only - 194 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 195 MCR01MZP5J223 22KOHM 5% 1/16W 1005 R/TP R4004 Resistor,Chip ERHZ0000444 - ROHM. MCR01MZP5J470 47OHM 5% 1/16W 1005 R/TP - R1011 Resistor,Chip ERHZ0000483 ROHM. LGE Internal Use Only - 195 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 196 VA4000 VA8016 VA8017 ICVL0518100Y500FR 18V 0% 10F 1.0*0.5*0.55 Varistor SEVY0004301 VA8018 NONE SMD R/TP INNOCHIPS TECHNOLOGY VA8019 VA8020 LGE Internal Use Only - 196 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 197 251M1002107MR12A168 100uF 20% 10V 50UA - Capacitor C4029 EAE62287901 55TO+125C 0.6OHM 3.2X1.6X1.1MM NONE SMD TA,Conformal R/TP 1.2T max. MATSUO ELECTRIC CO.,LTD LGE Internal Use Only - 197 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 198 SAFO0000401 AX3100 ATL SV_SHIPBACK,MAIN,A,0OHM DNI R2014 R1000 R1001 R4018 PCB ASSY R4019 MAIN SAFP0000401 LG-LU3000 LGTBK,MAIN,A, R4025 PAD SHORT R5101 R7006 R9007 LGE Internal Use Only - 198 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 199 EBR76640301 LGE430.ADEUBK 1.2 Main CKD Main,Insert Microphone B4010AL443-49 -44DB 2.2KOHM OMNI 1.1TO10V EAB020200 SUMY0003815 Condenser 4x1.0t FPCB GoerTek Inc. LGE Internal Use Only - 199 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 200 BRAH0001301 UF2040 or 3075BHF . . NONE IFS00015 USB USB 1.0M 4 BLACK UL N EAD010000 Cable,Assembly EAD62377901 INTERFACESAMIL CO.,LTD LGE Internal Use Only - 200 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 201: Accessory
4POLE PLUG OPEN TYPE I-SOUND CO,LTD MCS-02ER 90Vac~264Vac 4.75Vdc~5.25Vdv EAY060000 Adapters EAY62709902 850mA 50/60Hz CE WALL 2P USB - SUNLIN ELECTRONICS CO.,LTD LGE Internal Use Only - 201 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...

LG -E425 Service Manual

1 Introduction

2 Performance

3 CIC and Service Center

4 Trouble Shooting

5 Download

6 Block Diagram

7 Circuit Diagram

8 Bga Pin Map

9 Pcb Layout

10 Calibration

11 Hidden Menu

12 Disassemble Guide

13 Exploded View & Replacement Part List

Quick Links

Troubleshooting

Related Manuals for LG LG-E425

Summary of Contents for LG LG-E425

Table of Contents