LG -E400 Service Manual
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LG -E400 Service Manual

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Internal Use Only
Service Manual
LG-E400
Date: February, 2012 / Issue 1.0

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Summary of Contents for LG LG-E400

  • Page 1 Internal Use Only Service Manual LG-E400 Date: February, 2012 / Issue 1.0...

  • Page 2: Table Of Contents

    4.11 Charging Trouble Shooting ............96 4.1 3MFF Camera Trouble Shooting ........... 99 4.13 Main LCD trouble ................10 LGE Internal Use Only -  - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 3: Introduction

    LGE Internal Use Only - 3 - Copyright © 01 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 © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 5: Performance

    DCS1800 RX: 1805 – 1880 MHz PCS1900 TX: 1850 – 1910 MHz PCS1900 RX: 1930 – 1990 MHz Application Standard WAP 2.0 LGE Internal Use Only - 5 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 6: Main Parts : Gsm Solution

    EGSM : -105 dBm RX sensitivity GSM850 : -105 dBm DCS 1800 : -105 dBm PCS 1900 : -105 dBm LGE Internal Use Only - 6 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 7 : 2GByte Memory DRAM :3Gbit Speech coding FR, EFR, HR,AMR Data & Fax Built in Data & Fax support LGE Internal Use Only - 7 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 8 Speaker Phone mode Support Travel Adapter CDROM Stereo Headset Not inbox Data Cable T-Flash Not inbox (External Memory) LGE Internal Use Only - 8 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 9: Sw Features

    Last Dial Numbers, Last Received Last Missed Number Numbers and Last Missed Numbers can store up to a total of 500. LGE Internal Use Only - 9 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 10: Lge Internal Use Only

    EMS Melody / Picture Send / Receive / Save MMS MPEG4 Send / Receive / Save Long Message MAX 2000 characters LGE Internal Use Only - 10 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 11: Lge Internal Use Only

    Digital Zoom : x4 JAVA Voice Dial IrDa Bluetooth Ver. 3.0 FM radio GPRS Class 12 EDGE Class 12 LGE Internal Use Only - 11 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 12: Lge Internal Use Only

    2. PERFORMANCE Hold / Retrieve Conference Call Max. 6 DTMF Memo pad SyncML Email LGE Internal Use Only - 1 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 13: Hw Spec

    : -98dBm/-96dBm (2.439%) AM Suppression GSM : -31dBm -98dBm/-96dBm (2.439%) DCS : -29dBm Timing Advance ± 0.5T LGE Internal Use Only - 13 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 14: Lge Internal Use Only

    < 17.5 %, when Pout ≥ -20 dBm Peak Code Domain Error < -15 dB at Pout -20 dBm LGE Internal Use Only - 14 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 15: Lge Internal Use Only

    +1.5/4 Inner Loop Power Control -0.5/+0.5 -0.5/+0.5 -0.5/+0.5 In Uplink -0.5/-1.5 -1/-3 -1.5/-4 group(10equal command group) +8/+12 +16/+24 LGE Internal Use Only - 15 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 16: Lge Internal Use Only

    > 33 dB @ ±5 MHz > 43 dB @ ±10 MHz Error Vector Magnitude < 17.5 %, when Pout ≥ -20 dBm LGE Internal Use Only - 16 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 17: Lge Internal Use Only

    ≥ -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 © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 18: Lge Internal Use Only

    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 © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 19: Lge Internal Use Only

    1574.42 MHz ~ 1576.42 MHz Minimum Sensitivity 1 satellite ≥-142dBm, 7 satellites ≥ -147dBm at coarse time aiding LGE Internal Use Only - 19 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 20: Android_Final Cic_Faq

    “Clock Icon” -> Select the time which you want to setup the alarm or “Add Alaram” -> Ringtone -> Selete ring tone LGE Internal Use Only - 0 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 21: Setting

    # Customer have already logged into Google the Google E-Mail server again, and customer server on the phone. can reset the lock pattern. LGE Internal Use Only - 1 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 22: Lge Internal Use Only

    -> Thunder model (Vs660,p-500 etc) with capacitive is no need for Touch Calibration. therefore, Touch Calibration is not supportive. LGE Internal Use Only -  - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 23: Lge Internal Use Only

    Long press the icon which customer want to remove and then drag and drop it to trash can. Officially, it only provides LG Home. If you want to add the home screen, pls, download the How to change the Home screen? Home launcher program from the Android market.

  • Page 24: Lge Internal Use Only

    [How to do] After executng the compass application, move the phone as the shape of “∞” for ~3 seconds. LGE Internal Use Only - 4 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 25: Lge Internal Use Only

    Long press the icon which customer want to remove and then drag and drop it to trash can. Officially, it only provides LG Home. If you want to add the home screen, pls, download the How to change the Home screen? Home launcher program from the Android market.

  • Page 26: Lge Internal Use Only

    [How to check MAC address] How to obtain the Wifi MAC address? From Homescreen->Menu->Setting->About phone ->Status->Wifi MAC address. LGE Internal Use Only - 6 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 27: Home

    Long press the icon which customer want to remove and then drag and drop it to trash can. Officially, it only provides LG Home. If you want to add the home screen, pls, download the How to change the Home screen? Home launcher program from the Android market.

  • Page 28: Internet

    Wifi and 3G data service, which one have higher service when both of them are available at the priority? same time. LGE Internal Use Only - 8 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 29: Message,E-Mail

    MS Exchange Setting Guide. (How to set up MS Exchange #1/ How to set up MS Exchange #) LGE Internal Use Only - 9 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 30: Phone_Calls,Contacts

    Google contact(Google account which you want to synchronize) # If you select the “Handset”, the created contact won’t be synchronized with G-mail. LGE Internal Use Only - 30 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 31: Lge Internal Use Only

    1. Voicemail (Voicemail) . Voice Portal (*11) 3. Vivo Informa (*365) 4. Customer Care (*8486) [TCL] 1. Voicemail (Voicemail) LGE Internal Use Only - 31 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 32: Application

    * It is possible to move the application into SD, only if the menu icon is avaiable to click. LGE Internal Use Only - 3 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 33: Utilities

    No, it’s impossible. Please refer to the model manual about the What are the supported profiles for Bluetooth? detail profiles. LGE Internal Use Only - 33 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 34: Wi-Fi

    Turn on “Portable Wi-Fi hotspot” --> Go into “Portable Wi-Fi hotspot” --> Go into “Configure Wi-Fi hotspot” --> Setup Network SSID / Security / Password LGE Internal Use Only - 34 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 35: Android

    Digital zoom. The motion event class to chase multi touch event. Improvement virtual keyboard. Bluetooth .1 Live background screen. LGE Internal Use Only - 35 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 36: Lge Internal Use Only

    Available to Android market browsing at a desktop. Android market music store. The media streaming of PC library. LGE Internal Use Only - 36 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 37: P500 And

    “∞” for ~3 seconds. Released Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Date 010.09.8 LGE Internal Use Only - 37 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 38: Lge Internal Use Only

    Released Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Date 010.09.8 LGE Internal Use Only - 38 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 39: Lge Internal Use Only

    Home launcher program from the Android market. Released Step Step Step Step Step Step Step 1 Date 010.09.8 LGE Internal Use Only - 39 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 40: Lge Internal Use Only

    Market. (Ex. PDA Net) Released Step Step Step Step Step 1 Step 2 Step 3 Date 010.09.8 LGE Internal Use Only - 40 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 41: Lge Internal Use Only

    / Customer name / Password...) NEXT TO GO 4page LGE Internal Use Only - 41 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 42: Lge Internal Use Only

    3. CIC_FAQ Released Step 1 Date 010.09.8 LGE Internal Use Only - 4 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 43: Lge Internal Use Only

    Delete it from trash box Released Step Step Step Step Step 1 Step 2 Step 3 Date 010.09.8 LGE Internal Use Only - 43 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 44: Lge Internal Use Only

    How to set up MS Exchange #) Released Step Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Date 010.09.8 LGE Internal Use Only - 44 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 45: Lge Internal Use Only

    From Homescreen ->Menu->Setting->Data synchronization->Click Auto-sync Released Step Step Step 1 Step 2 Step 3 Step 4 Step 5 Date 010.09.8 LGE Internal Use Only - 45 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 46: Lge Internal Use Only

    Released Step Step Step Step Step Step Step 1 Date Go to 50 page 010.09.8 LGE Internal Use Only - 46 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 47: Lge Internal Use Only

    ->Status->Wifi MAC address. Released Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Date 010.09.8 LGE Internal Use Only - 47 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 48: Lge Internal Use Only

    3. Input Server info, and detailed info t Email address/Password The People Company 3. Input Server info, and detailed info LGE Internal Use Only - 48 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 49: Lge Internal Use Only

    The People Company 6. Select the sync option. ure is his popup will ise, this popup LGE Internal Use Only - 49 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 50: Lge Internal Use Only

    3. CIC_FAQ ② Remove the device from the below list ① Mobile Device LGE Internal Use Only - 50 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 51: Trouble Shooting

    DCS/PCS Rx SAW W2100 DPX U103 U102 W900 FL101 W2100 W2100 SW100 Rx SAW Mobile Switch W900 DPX LGE Internal Use Only - 51 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 52: Lge Internal Use Only

    WCDMA (I) TX SAW Filter X200 VCTCXO(19.2MHz) FL104 WCDMA (VIII) TX SAW Filter SW100 RF Antenna Connector FL1008 WCDMA (I) Duplexer LGE Internal Use Only - 5 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 53: 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 - 53 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 54: Lge Internal Use Only

    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 - 54 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 55: Lge Internal Use Only

    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 - 55 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 56: Checking Tcxo Block

    The output frequency (19.MHz) of TCXO (X001) is used as the reference one of RTR685 and PM7540 internal VCO. LGE Internal Use Only - 56 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 57: Lge Internal Use Only

    KT2520F19200DCW28RAK R204 TRK_LO_ADJ VCONTROL C217 C218 330p TCXO_PM_19.2MHZ C219 330p 19.2MHZ TCXO_RTR_19.2MHZ Schematic of the Crystal Part (19.2MHz) LGE Internal Use Only - 57 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 58: Lge Internal Use Only

    .4V ≥ Voltage ≥ 0.4V Check the MSM75A Check TP3 Check soldering and 19. MHz Signal components TCXO is OK LGE Internal Use Only - 58 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 59: Checking Gsm Tx Module(Gsm Pam + Asm) Block

    4. TROUBLE SHOOTING 4.4 Checking GSM TX Module(GSM PAM + ASM) Block ANT_SEL3 ANT_SEL0 ANT_SEL1 VBATT(TP1) ANT_SEL2 LGE Internal Use Only - 59 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 60: Lge Internal Use Only

    ANT_SEL 2 ANT_SEL 1 ANT_SEL 0 Tx Module Mode Standby TRX1 TRX Low Band GMSK High Band GMSK LGE Internal Use Only - 60 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 61: Lge Internal Use Only

    Check ANT_SEL 0,1,,3 High Level 1.V < Voltage < 3V Check the TP1(VBATT) Check the Logic In each mode LGE Internal Use Only - 61 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 62: 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 - 6 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 63: Lge Internal Use Only

    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 - 63 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 64: Lge Internal Use Only

    L1021 GND1 GND2 GND5 C197 C198 GND3 GND4 0.75p Band VIII For testing, Max power output is needed. LGE Internal Use Only - 64 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 65: Lge Internal Use Only

    RTR685 Maximum output Power = 7 dBm RTR685 minimum output Power = -80 dBm PAM(ACPM-581) = Maximum input Power = 10 dBm LGE Internal Use Only - 65 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 66: Lge Internal Use Only

    When PAM is under the operation of high power mode (PA_R0(C185) : Low), PAM OUT power must be over 1 dBm PAM IN power must be under 10 dBm LGE Internal Use Only - 66 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 67: Lge Internal Use Only

    RX_WCDMA_900_M C200 C201 100p 100p WCDMA_900_RTX C1081 L1021 GND1 GND2 GND5 C197 C198 GND3 GND4 0.75p Band VIII LGE Internal Use Only - 67 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 68: Lge Internal Use Only

    RF Tx Level is OK Check TP PA_RO ≥ .6V Check MSM75A Check TP1 Over 10 dBm? Check RTR685A Change the board LGE Internal Use Only - 68 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 69: Lge Internal Use Only

    4. TROUBLE SHOOTING 4.5.5. Checking RF Rx Level Test Point (RF Rx Level) Bias LGE Internal Use Only - 69 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 70: Lge Internal Use Only

    RX_WCDMA_900_M C200 C201 100p 100p WCDMA_900_RTX C1081 L1021 GND1 GND2 GND5 C197 C198 GND3 GND4 0.75p Band VIII LGE Internal Use Only - 70 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 71: Lge Internal Use Only

    RX_WCDMA_2100_LNA_OUT W2100 RX(2110 - 2170 MHz) _OUT C173 G1 G3 2140MHz 8.2n L119 C177 WB2100_MIX_INM R121 RX_WCDMA_1900_LNA_OUT 1.8n LGE Internal Use Only - 71 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 72 Check TP4 Signal exist? DNI  SKIP Check TP5 Signal exist? Check RTR685 and Rx SAW filter Change the board LGE Internal Use Only - 7 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 73: Checking Gsm Block

    1. Check TCXO Block . Check Tx Module 3. Check RF TRX Level 4. Ro-download SW & Cal. LGE Internal Use Only - 73 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 74: Lge Internal Use Only

    4. TROUBLE SHOOTING LGE Internal Use Only - 74 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 75: Lge Internal Use Only

    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 - 75 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 76: Lge Internal Use Only

    O2_2 9.1n R116 GSM_TX GSM850(824-849MHz) 11dB GSM900(880-915MHz) R113 DCS_PCS_TX DCS(1710-1785 MHz) PCS(1850-1910 MHz) Schematic of GSM/DCS/PCS Tx Block LGE Internal Use Only - 76 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 77: Lge Internal Use Only

    Refer to 4.4 No Problem Check RTR & PAD Check soldering and components Still exist Problem Change the board LGE Internal Use Only - 77 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 78: Lge Internal Use Only

    4. TROUBLE SHOOTING 4.6.4 Checking RF Rx Block LGE Internal Use Only - 78 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 79: Lge Internal Use Only

    RX_GSM_850_P O2_2 9.1n R116 L1003 L1005 GSM(869-894 MHz) GSM850(824-849MHz) 11dB GSM900(880-915MHz) RX_GSM_850_M R113 Schematic of GSM/DCS/PCS Rx Block LGE Internal Use Only - 79 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 80: Lge Internal Use Only

    Check RF Switch (M/S) Check Tx Module Check TP Signal exist ? Refer to 4.4 Change the board LGE Internal Use Only - 80 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 81: Gps/Wifi/Bt Rf Component

    RF Component(GPS) Reference Description ANT103 ANTENNA PAD connected to Carrier type antenna FL103 GPS SAW FILTER U104 GPS LNA LGE Internal Use Only - 81 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 82: Lge Internal Use Only

    U901 Reference Description ANT901 ANTENNA PAD connected to Carrier type antenna U900 BT module U901 WiFi module FL900 LGE Internal Use Only - 8 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 83: Gps/Wifi/Bt Signal Path

    4. TROUBLE SHOOTING 4.8 GPS/WIFI/BT SIGNAL PATH GPS Signal PATH (main board bottom) GPS Rx PATH LGE Internal Use Only - 83 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 84: Lge Internal Use Only

    4. TROUBLE SHOOTING BT_TRx WLAN_Tx WLAN_Rx WiFi / BT Signal PATH WiFi / BT Tx and Rx PATH LGE Internal Use Only - 84 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 85: Gps/Wifi/Bt Trouble Shooting

    VREG_RF_2.7V 1.5n 4.7n C192 C193 0.1u L130 R127 GPS_IN FIL_OUT GPS_MODE 100p U104 C202 C203 C204 0.5p 6.8p LGE Internal Use Only - 85 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 86: Lge Internal Use Only

    Check power LRC filter soldering Check TP About .6V? Check SW and NV item Change the board 4.9.2 WLAN/BT/FM Block LGE Internal Use Only - 86 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 87: Lge Internal Use Only

    4. TROUBLE SHOOTING START 1. Check the Power . Check the Clock 3. Check the Module Component Change LGE Internal Use Only - 87 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 88: Lge Internal Use Only

    C913 2400MHz,2500MHz BT_RF_QCT C916 1.8n C915 ANTENNA SWITCH MODULE LOGIC WiFi RX-ANT HIGH WiFi TX-ANT HIGH BT-ANT HIGH LGE Internal Use Only - 88 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 89: Lge Internal Use Only

    TR_SW_EN_0 WLAN_SW_[1] TR_SW_EN_1 WLAN_SW_[2] TR_SW_EN_2 WLAN_CMD SDIO_CMD SDIO_CLK REXT WLAN_CLK WLAN_SDIO[3] SDIO_DATA3 WLAN_SDIO[2] SDIO_DATA2 WLAN_SDIO[1] SDIO_DATA1 WLAN_SDIO[0] SDIO_DATA0 LGE Internal Use Only - 89 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 90: Lge Internal Use Only

    GND_A18 GND_A19 GND_A20 +3V_WLAN_WCN C943 C944 C945 2.2u 0.1u 100p colse to pin78 [Figure] Schematic of WiFi/BT module LGE Internal Use Only - 90 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 91: Lge Internal Use Only

    START Check the power block TP1, , 3 is OK? SDIO ok? Module Check UART ok? Board Change LGE Internal Use Only - 91 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 92: Power On Trouble Shooting

    (VREG_P3_.85V) (VREG_MSMA1_.6V) (VREG_MSMA_1.V) (VREG_TCXO_.85V) Is clock ok? Change the Main board TP (X00) : 19.M Redownload SW image LGE Internal Use Only - 9 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 93: Lge Internal Use Only

    4. TROUBLE SHOOTING LGE Internal Use Only - 93 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 94: Lge Internal Use Only

    4. TROUBLE SHOOTING VREG_MSMA2_1.2V VREG_P3_2.85V VREG_MSMC1_1.1V VREG_TCXO_2.85V VREG_MSMC2_1.1V VREG_MSMA1_2.6V PS_HOLD VREG_MSME_1.8V LGE Internal Use Only - 94 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 95: Lge Internal Use Only

    4. TROUBLE SHOOTING LGE Internal Use Only - 95 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 96: Charging Trouble Shooting

    - Charging IC (LP877-B) - Check the OVP Circuit - Battery - Check the Charging IC - Check the battery LGE Internal Use Only - 96 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 97: Lge Internal Use Only

    Check MiniABB (U400) SMT status by X-ray. Exchange MiniABB or change the Main board and reset. Charger Troubleshoot Flow LGE Internal Use Only - 97 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 98: Lge Internal Use Only

    4. TROUBLE SHOOTING U400 LGE Internal Use Only - 98 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 99: 3Mff Camera Trouble Shooting

    Check the EMI Filter (FL505) Change the EMI Filter Change the camera (FL505) Camera is OK Change the Main board LGE Internal Use Only - 99 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 100: Lge Internal Use Only

    CAM_MCLK MIPI_CSI_CLKN MIPI_CSI_CLKP MIPI_CSI_DN MIPI_CSI_DP FL505 CAM_IOVDD_1.8V FL505 CAM_RESET_N CAM_I2C_SDA CAM_PWDN CAM_I2C_SCL C511 C512 C513 2.2u 2.2u 4.7u LGE Internal Use Only - 100 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 101: Lge Internal Use Only

    4. TROUBLE SHOOTING FL505 LGE Internal Use Only - 101 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 102: Main Lcd Trouble

    Disconnect and reconnect LCD connector LCD display OK? Check Power VREG_MSME_1.8V(TP1) VREG_LCD_.8V(TP) Change the LCD Module Change the Main board LGE Internal Use Only - 10 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 103: Lge Internal Use Only

    4. TROUBLE SHOOTING LGE Internal Use Only - 103 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 104: Proximity Sensor On/Off Trouble Shooting

    Change the Proximity Sensor (U60) (TP1,,3) Work well? Chang the main board Measurement VREG_MSME_1.8V VREG_PROX_.6V PROX_OUT PROX_IC_SCL / SDA LGE Internal Use Only - 104 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 105 4. TROUBLE SHOOTING Proximity sensor VREG_PROX_2.8V VREG_MSME_1.8V U602 R610 PROX_I2C_SCL LEDA C604 PROX_I2C_SDA LEDC VOUT PROX_OUT C605 C606 C607 4.7u LGE Internal Use Only - 105 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 106: Motion Sensor On/Off Trouble Shooting

    Change the Motion Sensor U600 Check Motion_INT output Work well? Change the Main board Measurement VREG_MSME_1.8V MOTION_INT MOTION_IC_SDA / SCL LGE Internal Use Only - 106 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 107 4. TROUBLE SHOOTING VREG_MSME_1.8V MOTION_INT VREG_MSME_1.8V MOTION_I2C_SCL C602 0.1u MOTION_INT2 MOTION_I2C_SDA INT2 U600 COMPASS_DRDY DRDY C601 0.1u COMPASS_INT LGE Internal Use Only - 107 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 108: Compass Sensor On/Off Trouble Shooting

    Check COMPASS_DRDY Change the Motion Sensor U600 output(TP1) Work well? Change the Main board Measurement VREG_MSME_1.8V MOTION_IC_SCL / SDA LGE Internal Use Only - 108 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 109 4. TROUBLE SHOOTING COMPASS_DRDY VREG_MSME_1.8V MOTION_INT VREG_MSME_1.8V MOTION_I2C_SCL C602 0.1u MOTION_INT2 MOTION_I2C_SDA INT2 U600 COMPASS_DRDY DRDY C601 0.1u COMPASS_INT LGE Internal Use Only - 109 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 110 4. TROUBLE SHOOTING LGE Internal Use Only - 110 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 111: Dc Motor Trouble Shooting

    Votage is almost 3V Between Change PMIC TP1 and TP Change Main board Change Motor, working well ? Measurement VBAT VIB_DRV_N LGE Internal Use Only - 111 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 112 VIBRATOR 4. TROUBLE SHOOTING VBAT VB700 D700 L700 L701 VIB_DRV_N VA700 VA701 LGE Internal Use Only - 11 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 113: Audio Troble

    The sine wave appears at Change the M700 (Audio Subsystem) R70, R703(TP3)? Change the U00 (MSM75A) or Change the main PCB LGE Internal Use Only - 113 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 114 C718 C719 2.2u LINE_ON IN2- AUDIO_I2C_SDA AUDIO_I2C_SCL C723 C724 C725 2.2u 2.2u 2.2u VREG_MSME_1.8V FB705, FB706(TP2) M700 R702,R703(TP3) LGE Internal Use Only - 114 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 115: Headset Path

    The sine wave appears at Change the M700 (Audio Subsystem) C714, C715(TP)? Change the U00 (MSM75A) or Change the main PCB LGE Internal Use Only - 115 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 116 EAR_R C716 LINE_OP IN2+ C718 C719 2.2u LINE_ON IN2- AUDIO_I2C_SDA AUDIO_I2C_SCL C723 C724 C725 2.2u 2.2u 2.2u VREG_MSME_1.8V LGE Internal Use Only - 116 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 117 The Sine wave appears at Change the M700 (Audio Subsystem) C716, C718(TP3)? Change the U00 (MSM75A) or Change the main PCB LGE Internal Use Only - 117 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 118 C719 2.2u LINE_ON IN2- AUDIO_I2C_SDA AUDIO_I2C_SCL C723 C724 C725 2.2u 2.2u 2.2u VREG_MSME_1.8V FB705, FB706(TP2) M700 C716, C718(TP3) LGE Internal Use Only - 118 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 119: Main Microphone

    Change the U00 (MSM75A) or Some sound signal appears at C15 (TP3)? Change the Main PCB Work Well? LGE Internal Use Only - 119 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 120 4. TROUBLE SHOOTING R704 0.1u C711 MIC_1P R705 0.1u C717 MIC_1N R703, R705(TP2) C215(TP3) C229(TP1) LGE Internal Use Only - 10 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 121 Change the U00 (MSM75A) or Some sound signal appears at C09 (TP3)? Change the Main PCB Work Well? LGE Internal Use Only - 11 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 122 3.5PI_KEY_POLE_DET HS_MIC MAX14579E R715 EAR_SENSE EAR_SENSE_3.5PI DET_IN R713(TP1) C728(TP2) EAN62065901 C734 220n 3 Pole 4 Pole C209(TP3) U200 LGE Internal Use Only - 1 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 123: Download

    USB DRIVER [LGFLASHTool1350] [LGFLASHTool1350]LGE400_ LGUnitedMobileDriver_ 101_Download S4981CA_ML_WHQL_Ver_..1 Name Part No. D/L Cable Micro 5P USB DLC (56-130-910K) BJAY003973 LGE Internal Use Only - 13 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 124 5. DOWNLOAD [LGFLASHTool1350] E400 E400 LGE Internal Use Only - 14 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 125 5. DOWNLOAD E400 [LGFLASHTool1350]LGE400_101_Download E400 [LGFLASHTool1350] LGE Internal Use Only - 15 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 126 5. DOWNLOAD LGE Internal Use Only - 16 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 127 5. DOWNLOAD LGE400 LGE Internal Use Only - 17 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 128 5. DOWNLOAD LGE Internal Use Only - 18 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 129 5. DOWNLOAD LGE Internal Use Only - 19 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 130 5. DOWNLOAD LGE Internal Use Only - 130 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 131 5. DOWNLOAD LGE Internal Use Only - 131 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 132 5. DOWNLOAD LGE Internal Use Only - 13 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 133 5. DOWNLOAD LGE Internal Use Only - 133 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 134 5. DOWNLOAD LGE Internal Use Only - 134 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 135 5. DOWNLOAD LGE Internal Use Only - 135 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 136 5. DOWNLOAD [LGFLASHTool1350]LGE400_101_Download LGE400_0101.dll LGE400_101 LGE400 [LGFLASHTool1350]LGE400_101_Download LGE400 LGE400 LGE Internal Use Only - 136 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 137 5. DOWNLOAD LGE400 LGE400 LGE Internal Use Only - 137 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 138 5. DOWNLOAD LGE Internal Use Only - 138 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 139 5. DOWNLOAD LGE Internal Use Only - 139 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 140 5. DOWNLOAD LGE Internal Use Only - 140 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 141 5. DOWNLOAD LGE400 LGE400 LGE Internal Use Only - 141 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 142 5. DOWNLOAD LGE400 LGE400 LGE Internal Use Only - 14 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 143: Block Diagram

    PON_RESET_N VIB_DRV_N UART1 PM8029 UART1 Mi iABB MiniABB USBPHY USBPHY (LP8727) USBH DM & DP XTAL VIBRATOR 32.768KHz LGE Internal Use Only - 143 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 144 VREG_LCD_2.8V VREG_L10 MLED[1:5] CAM AVDD 2.8V Backlight kli ht 3M CAM CAM_DVDD_1.2V charge pump CAM_IOVDD_1.8V (SoC) VREG_PROX_2.8V PROXIMITY LGE Internal Use Only - 144 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 145 HPH_L HPH_L IN1+ SPK_RCV_P HPH_R HPH_R IN1- OUT+ SPK_RCV_N AUDIO_I2C_SCL OUT- GPIO119 AUDIO_I2C_SDA GPIO120 LGE400 Audio Block Diagram LGE Internal Use Only - 145 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 146 EBI1_RAS_N DDR 3Gb SDRAM_CAS/ EBI1_CAS_N SDRAM_WE/ EBI1_WE_N SDRAM_DQM[3:0] EBI1_DM_[3:0] SDRAM_DQS[3:0] EBI1 DQS [3:0] EBI1_DQS_[3:0] SDRAM_BA[1:0] EBI1_BA_[1:0] SDRAM_CLK/ EBI1_DCLKB LGE Internal Use Only - 146 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 147 LEDA_C LCD_BL_EN LCD BOOSTER LCD BOOSTER TOUCH_I2C_INT LCD BL SCL LCD_BL_SCL TOUCH TOUCH TOUCH_I2C_SCL PANNEL PANNEL LCD_BL_SDA TOUCH_I2C_SDA LGE Internal Use Only - 147 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 148 6. BLOCk DIAGRAM LGE400 RF Block Diagram LGE Internal Use Only - 148 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 149 6. BLOCk DIAGRAM LGE400 BT/WLAN/FM Block Diagram LGE Internal Use Only - 149 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 150: Circuit Diagram

    C202 C203 C204 WCDMA_900_RTX 6.8p 0.5p C1081 L1021 GND1 GND2 GND5 C197 C198 GND3 GND4 0.75p Band VIII LGE Internal Use Only - 150 - Copyright © 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 151 GPS_MODE EBI2_DATA[12] EBI2_A_D_12 AN15 GPIO_82 EBI2_DATA[13] EBI2_A_D_13 AT14 EBI2_A_D_14 GPIO_83 FM_RDS_INT EBI2_DATA[14] GPIO_84 EBI2_DATA[15] EBI2_A_D_15 GPIO_85 VREG_MSME_1.8V R220 LGE Internal Use Only - 151 - Copyright © 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 152 C360 C361 C362 C363 C364 C365 C366 470n 470n 470n 470n 470n 470n 470n 470n 470n 470n 470n LGE Internal Use Only - 152 - Copyright © 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 153 00.16 100K 17.25 100K 19.1K 26.34 100K 35.42 100K 43.51 100K 52.5E 100K 100K 83.95 100K 130K 96.A9 LGE Internal Use Only - 153 - Copyright © 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 154 CAM_AVDD_2.8V CAM_MCLK MIPI_CSI_CLKN MIPI_CSI_CLKP MIPI_CSI_DN MIPI_CSI_DP FL505 CAM_IOVDD_1.8V CAM_RESET_N CAM_I2C_SDA CAM_PWDN CAM_I2C_SCL C511 C512 C513 2.2u 2.2u 4.7u LGE Internal Use Only - 154 - Copyright © 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 155: Accelerometer Sensor

    R610 LD600 R611 PROX_I2C_SCL LEDA BACKLIGHT_KEY C604 LD601 R612 PROX_I2C_SDA LEDC VOUT PROX_OUT C605 VA600 C606 C607 4.7u LGE Internal Use Only - 155 - Copyright © 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 156 L702 2.2K C731 U700 3.5PI_KEY_POLE_DET HS_MIC MAX14579E R715 EAR_SENSE DET_IN EAR_SENSE_3.5PI EAN62065901 C734 220n 3 Pole 4 Pole LGE Internal Use Only - 156 - Copyright © 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 157 POWER KEY R809 KEY_ROW[0] KB800 R811 KEY_ROW[1] R813 R812 R810 KEY_COL[0] KEY_ROW[2] KPD_PWR_N CN802 CN801 R814 KEY_COL[1] VA810 VA811 LGE Internal Use Only - 157 - Copyright © 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 158 SDIO_DATA1 100p 100p GND_A18 WLAN_SDIO[0] SDIO_DATA0 GND_A19 GND_A20 +3V_WLAN_WCN C943 C944 C945 2.2u 0.1u 100p colse to pin78 LGE Internal Use Only - 158 - Copyright © 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 159: Bga Pin Map

    8. BGA PIN MAP 8. BGA PIN MAP U301 - Memory MCP (Top View) U301 - Memory MCP (Top View) LGE Internal Use Only - 159 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 160 8. BGA PIN MAP U200 - MSM7225A (Bottom View) U200 - MSM7225A (Bottom View) NOT IN USE LGE Internal Use Only - 160 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 161 8. BGA PIN MAP U402 - PM8029 (Bottom View) U402 - PM8029 (Bottom View) NOT IN USE LGE Internal Use Only - 161 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 162 8. BGA PIN MAP U100 - RTR6285A (Top View) U100 - RTR6285A (Top View) NOT IN USE LGE Internal Use Only - 16 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 163 8. BGA PIN MAP U900 – WCN2243 (BT/FM) (Top View) U900 – WCN2243 (BT/FM) (Top View) LGE Internal Use Only - 163 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 164 8. BGA PIN MAP U901 – WCN1314 (WiFi) (Top View) U901 – WCN1314 (WiFi) (Top View) NOT IN USE LGE Internal Use Only - 164 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 165: Pcb Layout

    R710 C733 R711 R602 VA601 to face C730 C732 FB703 VA706 R612 R611 VA600 LD601 KB800 LD600 LG-E400_MAIN_EAX64669801_1.0_TOP LGE Internal Use Only - 165 - Copyright © 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 166 CN600 Touch Connector C232 - no Touch Function M700 Audio Sub System - no Speaker/Headset Sound CN701 LG-E400_MAIN_EAX64669801_1.0_BOT LGE Internal Use Only - 166 - Copyright © 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 167: Calibration

    RF Cable_Main MS156 BJAY004004 Power Supply_PIF Power Supply 5.3V Power Supply_Phone Power Supply 5.0V RF Test Equipment E5515C(8960) LGE Internal Use Only - 167 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 168 10. CALIBRATION E400 [Tachyon36]LGE400_01013_Calibration LGE Internal Use Only - 168 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 169 10. CALIBRATION E400 LGE Internal Use Only - 169 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 170 10. CALIBRATION LGE Internal Use Only - 170 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 171 10. CALIBRATION LGE Internal Use Only - 171 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 172 10. CALIBRATION E400 LGE400 LGE400 E400 E400 E400 E400 E400 LGE400 LGE Internal Use Only - 17 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 173 10. CALIBRATION LGE Internal Use Only - 173 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 174 10. CALIBRATION LGE Internal Use Only - 174 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 175 10. CALIBRATION MS156 BJAY004004) MS156 LGE Internal Use Only - 175 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 176 10. CALIBRATION LGE Internal Use Only - 176 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 177 10. CALIBRATION LGE Internal Use Only - 177 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 178 10. CALIBRATION LGE Internal Use Only - 178 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 179 10. CALIBRATION LGE Internal Use Only - 179 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 180 10. CALIBRATION LGE Internal Use Only - 180 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 181 10. CALIBRATION LGE Internal Use Only - 181 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 182 10. CALIBRATION LGE Internal Use Only - 18 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 183 10. CALIBRATION E400 LGE Internal Use Only - 183 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 184 10. CALIBRATION E400 E400 E400 E400 E400 E400 LGE Internal Use Only - 184 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 185 10. CALIBRATION E400 E400 LGE Internal Use Only - 185 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 186 10. CALIBRATION E400 LGE Internal Use Only - 186 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 187: Hidden Menu

    Start the desired menu: Menu, click Version Info Classified Information representation -> Hidden Menu -> Settings -> Version Info LGE Internal Use Only - 187 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 188 Allauto Test : -> You can test all functions automatically Auto All Test Result -> You can check Test Results LGE Internal Use Only - 188 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 189 Home key : Hard Key Back key : Touch Key Compass Sensor : Check North Proximity Sensor : Bilnd the Proximity sensor LGE Internal Use Only - 189 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 190 Touch Drawing Test Draw a guide line Sound Test Touch the “Play” icon Vibrator Test Touch the “Start” icon LGE Internal Use Only - 190 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 191 Camera is recoding for 5 seconds Motion Sensor Test Check 3 positions -> Position horizontally -> Position Vertically -> Position side LGE Internal Use Only - 191 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 192 “Look Back OFF” is test mode off FM Radio Test 87.5 Mhz is scanned automatically -> Connect ear-jack -> Touch “FM Radio Off” icon LGE Internal Use Only - 19 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 193: Disassemble Guide

    Hook off the bottom of Front cover Take apart the Rear cover out of Front cover starting from bottom LGE Internal Use Only - 193 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 194 5. Disassemble Side volume key & Contact Dome Pull Side key to the right side Detach the contact dome out of Front cover LGE Internal Use Only - 194 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 195 7. Disassemble Shield Can & Speaker module Hook off the notches below (points) and pull on the other side LGE Internal Use Only - 195 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 196 12. DISASSEMBLE GUIDE Hook off the notches below (3points) and detach the speaker module out of main PCB LGE Internal Use Only - 196 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 197 12. DISASSEMBLE GUIDE 10. Complete disassembling E400 LGE Internal Use Only - 197 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 198: Exploded View & Replacement Part List

    ADB00 SUMY00 Microphone,Condenser EBR00 ACQ02 SJMY00 Motor,DC GMZZ00 Screw,Machine EAA00 ACQ02 Cover Assembly,Battery ACQ01 EAC00 Rechargeable Battery,Lithium Ion LGE Internal Use Only - 198 - Copyright © 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 199: Replacementparts

    COMPLEX LGE400.ADEUSK ZZ:Without Color - MDJ000000 Filter MDJ63426201 COMPLEX LGE400.ADEUSK ZZ:Without Color - MDJ000001 Filter MDJ63405801 COMPLEX LGE400.ADEUSK ZZ:Without Color - LGE Internal Use Only - 199 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 200 MCQ66970501 COMPLEX LGE400.ADEUSK ZZ:Without Color - Damper MCQ015701 MCQ66973701 COMPLEX LGE400.ADEUSK ZZ:Without Color - Connector MCQ049800 Damper,Motor MCQ66992701 COMPLEX LGE400.ADEUSK ZZ:Without Color - LGE Internal Use Only - 00 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 201 COMPLEX LGE730.ANLDKT ZZ:Without Color MAY047100 Box,Master MBEE0061004 S6T_STD Master Box(10EA) COMPLEX LGE400.AITABK ZZ:Without Color MAY084000 Box,Unit MAY65496601 LGE400 ITA UNIT BOX(S6T) LGE Internal Use Only - 01 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 202 LGE400.AITABK ZZ:Without Color LG-E400 AFN053800 AFN75738801 Operation Manual Assy for ITA MEZ000000 Label MLAZ0051201 COMPLEX KP170 ITASV ZZ:Without Color - LGE Internal Use Only - 0 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 203: Main Component

    Main,SMT Bottom GRM1555C1H2R7B 2.7pF 0.1PF 50V NP0 - Capacitor C914 ECCH0000175 55TO+125C 1005 R/TP - MURATA Ceramic,Chip MANUFACTURING CO.,LTD. LGE Internal Use Only - 03 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 204 Ceramic,Chip COOPERATION R201 R212 R220 MCR01MZP5J103 10KOHM 5% 1/16W 1005 R/TP Resistor,Chip ERHZ0000405 R309 - ROHM. R403 R715 LGE Internal Use Only - 04 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 205 GRM155R60J474K 470nF 10% 6.3V X5R - Capacitor C362 ECZH0001217 25TO+70C 1005 BK-DUP - MURATA Ceramic,Chip C363 MANUFACTURING CO.,LTD. C364 C365 C366 C514 LGE Internal Use Only - 05 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 206 6GHZ 8 SHIELD NONE 1.0X0.5X0.5MM R/TP Multilayer,Chip MURATA MANUFACTURING CO.,LTD. R112 MCR01MZP5J131 130OHM 5% 1/16W 1005 R/TP - Resistor,Chip ERHZ0000415 R114 ROHM. LGE Internal Use Only - 06 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 207 BU61800GWL 2.7 to 5.5V adj 0W CSP R/TP 25P - U500 IC,Sub PMIC EAN62334401 ROHM Semiconductor KOREA CORPORATION LGE Internal Use Only - 07 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 208 C902 C941 C942 C946 L102 L110 L130 MCR01MZP5J750 75OHM 5% 1/16W 1005 R/TP - R116 Resistor,Chip ERHZ0000509 ROHM. LGE Internal Use Only - 08 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 209 ICVL0518100Y500FR 18V 0% 10F 1.0*0.5*0.55 VA701 Varistor SEVY0004301 NONE SMD R/TP INNOCHIPS TECHNOLOGY VA806 VA807 VA808 VA809 VA810 VA811 LGE Internal Use Only - 09 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 210 VA804 ICVL0518050FR 18V 0% 5F 1.0*0.5*0.55 NONE Varistor SEVY0005101 VA805 SMD R/TP INNOCHIPS TECHNOLOGY VA812 VA813 VA814 VA815 LGE Internal Use Only - 10 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 211 LQG15HS2N4S02D 2.4NH 0.3NH - 300mA L115 Inductor ELCH0003828 0.15OHM 6GHZ 8 SHIELD NONE 1.0X0.5X0.5MM L903 Multilayer,Chip R/TP MURATA MANUFACTURING CO.,LTD. LGE Internal Use Only - 11 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 212 C1005C0G1H330JT000F 33pF 5% 50V NP0 - Capacitor C226 ECZH0000830 55TO+125C 1005 R/TP - TDK KOREA Ceramic,Chip C409 COOPERATION C804 L120 LGE Internal Use Only - 1 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 213 C1005C0G1H560JT000F 56pF 5% 50V NP0 - Capacitor C1007 ECZH0000841 55TO+125C 1005 R/TP - TDK KOREA Ceramic,Chip C1091 COOPERATION LGE Internal Use Only - 13 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 214 FL400 Filter,EMI/Power SFEY0015301 R/TP MURATA MANUFACTURING CO.,LTD. MCR01MZP5F3602 36KOHM 1% 1/16W 1005 R419 Resistor,Chip ERHY0000140 R/TP - ROHM. LGE Internal Use Only - 14 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 215 R501 R502 R608 MCR01MZP5J472 4.7KOHM 5% 1/16W 1005 R/TP Resistor,Chip ERHY0000254 R609 - ROHM. R613 R614 R707 R708 LGE Internal Use Only - 15 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 216 55TO+125C 1005 R/TP - TDK KOREA Ceramic,Chip COOPERATION KJA-PH-4-0176 5P 2P ANGLE R/TP 3.5M BLACK CN701 Jack,Phone EAG63070601 5P - KSD CO., LTD LGE Internal Use Only - 16 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 217 Ceramic,Chip COOPERATION C219 Capacitor MCH155CN222KK 2.2nF 10% 50V X7R - C205 ECCH0000147 Ceramic,Chip 55TO+125C 1005 R/TP - ROHM. LGE Internal Use Only - 17 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 218 R/TP - ROHM. GRM155R61A104K 0.1uF 10% 10V X5R - Capacitor C703 ECCH0000182 55TO+85C 1005 R/TP - MURATA Ceramic,Chip MANUFACTURING CO.,LTD. LGE Internal Use Only - 18 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 219 LL1005-FHL6N8J 6.8NH 5% - 300mA 0.23OHM Inductor L111 ELCH0001408 5.6GHZ 9 SHIELD NONE 1.0X0.5X0.5MM R/TP Multilayer,Chip TOKO, INC. LGE Internal Use Only - 19 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 220 MECHANICS CO., LTD. Capacitor C0603X5R0J104KT00NN 0.1uF 10% 6.3V X5R - C944 ECCH0009101 Ceramic,Chip 55TO+85C 0603 R/TP - TDK CORPORATION LGE Internal Use Only - 0 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 221 GRM155R71A393K 39nF 10% 10V X7R - C716 Capacitor ECZH0003126 55TO+125C 1005 R/TP - MURATA C718 Ceramic,Chip MANUFACTURING CO.,LTD. LGE Internal Use Only - 1 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 222 1005 R/TP - ROHM Semiconductor KOREA C192 Ceramic,Chip CORPORATION WCN-2243-0-58BWLNSP-S/TR-05 17VTO2.7V,2.2VTO3V,1.7VTO1.9V 120mW 58P - U900 IC,Bluetooth EAN61966101 WLCSP R/TP-T 58P QUALCOMM INCORPORATED. LGE Internal Use Only -  - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 223 ERHZ0000434 R711 ROHM. C606 ICVN0505X150FR 5.6V 0% 360F 1.0*0.5*0.55 VA702 Varistor SEVY0004101 NONE SMD R/TP INNOCHIPS TECHNOLOGY VA703 LGE Internal Use Only - 3 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 224 19-219UTD-S592/TR8 WHITE 2.7~3.1 25mA LD600 LED,Chip EDLH0015109 112~285mcd x, y 95mW 1608 R/TP 2P - LD601 EVERLIGHT ELECTRONICS CO., LTD. LGE Internal Use Only - 4 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 225: Accessory

    Battery,Lithium Ion Top cap Screw joint 444461, 1500mAh, Bar Type (Top cap screw joint), WW, Up LG Chem,LTD. LGE Internal Use Only - 5 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

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