Page 1 Internal Use Only Service Manual LG-E400f Date: March, 2012 / Issue 1.0...
Page 2: Table Of Contents
4.17 DC Motor Trouble Shooting ............93 4.18 Audio Troble ..................95 5. DOWNLOAD ...............105 6.Block diagram ..............125 LGE Internal Use Only - - 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 optional Data Cable T-Flash Not inbox optional (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 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 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 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 < 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 +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 > 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 ≥ -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 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 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: Cic_Faq
- Unless any Gmail account is set, try factory reset with Power key + Volume down key + Home Key. LGE Internal Use Only - 0 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 21 USB data communication cable is connected. 1. Status Bar Slide Down . “USB connected” Touch 3. Select “USB Storage” and Touch “Done” LGE Internal Use Only - 1 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 22 This, however, may be far from capturing the exact positions due to a larger margin of error compared to the GPS satellite. LGE Internal Use Only - - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 23 You are to register an account as below: Run email>Select an email account to add>Enter your email address and password>Enter the account and personal name. LGE Internal Use Only - 3 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 24 For example, phone or email apps are to let the user know when emails or phone calls arrive although they have been killed. LGE Internal Use Only - 4 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 25 Remove the USB cable and run the USB driver installation file. Upon the installation being completed, connect the USB cable and the terminal to your LGE Internal Use Only - 5 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 26 When the connection mode is set as ‘for charging only’ or ‘mass storage device, ’ it cannot be connected to the sync program. LGE Internal Use Only - 6 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 27 You can try Factory Reset as below. Press the volume down key with the power off and press the power key. LGE Internal Use Only - 7 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 28 I want to know the compatibility with other devices. Basically, it is compatible with external Bluetooth devices only. LGE Internal Use Only - 8 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 29 What should I do to use Smart Share? Smart Share is not supported. I’ve got Smart Share error. It is not supported. LGE Internal Use Only - 9 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 30 6. When installing multiple apps at a time, it is good to reboot the system. Battery is also consumed fast due to many widgets installed on the wallpaper. LGE Internal Use Only - 30 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 31 FOTA package to users, who will upgrade software to a new version. When does the product become out of stock? The product becomes no longer available in about a year. You can inquire nearby LG service centers of details. How long is the warranty period and limit? Free warranty period is 1 year from the date of purchase.
Page 32 -> Remote call is a support service to remotely diagnose and consult about terminals. . What is preloaded app? -> LG Smart World is not installed in advance in the system domain. The user can install it, if necessary. 3. What is the app administrator? ->...
Page 33: Trouble Shooting
U100 RF Transceiver PAM+ASM U103 FL1008 W850 W2100 SW100 FL101 W850 Mobile U102 W2100 Switch W2100 Rx SAW LGE Internal Use Only - 33 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 34 WCDMA (I) TX SAW Filter X00 VCTCXO(19.MHz) FL104 WCDMA (V) TX SAW Filter SW100 RF Antenna Connector FL1008 WCDMA (I) Duplexer LGE Internal Use Only - 34 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 35: Signal Path
WCDMA I and V Band TX Signal PATH D2. WCDMA 2100 TX PATH E2. WCDMA 850 TX PATH F1. COMMON TX/RX PATH LGE Internal Use Only - 35 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 36 WCDMA I and V Band RX Signal PATH D1. WCDMA 2100 RX PATH E1. WCDMA 850 RX PATH F1. COMMON TX/RX PATH LGE Internal Use Only - 36 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 37 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 - 37 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 38: 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 - 38 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 39 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 - 39 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 40 .4V ≥ Voltage ≥ 0.4V Check the MSM75A Check TP3 Check soldering and 19. MHz Signal components TCXO is OK LGE Internal Use Only - 40 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 41: Checking Gsm Tx Module(Gsm Pam + Asm) Block
4. TROUBLE SHOOTING 4.4 Checking GSM TX Module(GSM PAM + ASM) Block ANT_SEL3 VBATT(TP1) ANT_SEL0 ANT_SEL1 ANT_SEL2 LGE Internal Use Only - 41 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 42 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 - 4 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 43 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 - 43 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 44: 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 - 44 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 45 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 - 45 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 46 C1081 L1021 GND1 GND2 GND5 C197 C198 GND3 GND4 Band V For testing, Max power output is needed. LGE Internal Use Only - 46 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 47 RTR685 Maximum output Power = 7 dBm RTR685 minimum output Power = -80 dBm PAM(ACPM-581) = Maximum input Power = 10 dBm LGE Internal Use Only - 47 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 48 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 - 48 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 49 C200 C201 100p 100p WCDMA_850_RTX L129 3.3n C1081 L1021 GND1 GND2 GND5 C197 C198 GND3 GND4 Band V LGE Internal Use Only - 49 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 50 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 - 50 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 51 4. TROUBLE SHOOTING 4.5.5. Checking RF Rx Level Test Point (RF Rx Level) Bias LGE Internal Use Only - 51 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 52 C200 C201 100p 100p WCDMA_850_RTX L129 3.3n C1081 L1021 GND1 GND2 GND5 C197 C198 GND3 GND4 Band V LGE Internal Use Only - 5 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 53 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 - 53 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 54 Check TP4 Signal exist? DNI  SKIP Check TP5 Signal exist? Check RTR685 and Rx SAW filter Change the board LGE Internal Use Only - 54 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 55: Checking Gsm Block
1. Check TCXO Block . Check Tx Module 3. Check RF TRX Level 4. Ro-download SW & Cal. LGE Internal Use Only - 55 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 57 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 - 57 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 58 10 5 3 2 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 - 58 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 59 Refer to 4.4 No Problem Check RTR & PAD Check soldering and components Still exist Problem Change the board LGE Internal Use Only - 59 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 61 10 5 3 2 GSM(869-894 MHz) GSM850(824-849MHz) 11dB GSM900(880-915MHz) RX_GSM_850_M R113 DCS(1710-1785 MHz) PCS(1850-1910 MHz) Schematic of GSM/DCS/PCS Rx Block LGE Internal Use Only - 61 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 62 Check RF Switch (M/S) Check Tx Module Check TP Signal exist ? Refer to 4.4 Change the board LGE Internal Use Only - 6 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 63: 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 - 63 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 64 U901 Reference Description ANT901 ANTENNA PAD connected to Carrier type antenna U900 BT module U901 WiFi module FL900 LGE Internal Use Only - 64 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 65: 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 - 65 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 66 4. TROUBLE SHOOTING BT_TRx WLAN_Tx WLAN_Rx WiFi / BT Signal PATH WiFi / BT Tx and Rx PATH LGE Internal Use Only - 66 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 67: 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 - 67 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 68 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 - 68 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 69 4. TROUBLE SHOOTING START 1. Check the Power . Check the Clock 3. Check the Module Component Change LGE Internal Use Only - 69 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 70 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 - 70 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 71 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 - 71 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 72 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 - 7 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 73 START Check the power block TP1, , 3 is OK? SDIO ok? Module Check UART ok? Board Change LGE Internal Use Only - 73 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 74: 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 - 74 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 76 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 - 76 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 78: Charging Trouble Shooting
- Charging IC (LP877-B) - Check the OVP Circuit - Battery - Check the Charging IC - Check the battery LGE Internal Use Only - 78 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 79 Check MiniABB (U400) SMT status by X-ray. Exchange MiniABB or change the Main board and reset. Charger Troubleshoot Flow LGE Internal Use Only - 79 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 81: 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 - 81 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 82 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 - 8 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 84: 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 - 84 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 86: 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 - 86 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 87 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 - 87 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 88: 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 - 88 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 89 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 - 89 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 90: 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 - 90 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 91 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 - 91 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 93: 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 - 93 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 94 VIBRATOR 4. TROUBLE SHOOTING VBAT VB700 D700 L700 L701 VIB_DRV_N VA700 VA701 LGE Internal Use Only - 94 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 95: 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 - 95 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 96 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 - 96 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 97 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 - 97 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 98 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 - 98 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 99 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 - 99 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 100 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 - 100 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 101 Change the U00 (MSM75A) or Some sound signal appears at C15 (TP3)? Change the Main PCB Work Well? LGE Internal Use Only - 101 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 102 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 103 Change the U00 (MSM75A) or Some sound signal appears at C09 (TP3)? Change the Main PCB Work Well? LGE Internal Use Only - 103 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 104 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 - 104 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 105: Download
S4981CA _ML_WHQL_Ver_..1 Please Check the Version to “B2B” Name Part No. D/L Cable Micro 5P USB DLC (56-130-910K) BJAY003973 LGE Internal Use Only - 105 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 107 5. DOWNLOAD E400f [LGFLASHTool1350]LGE400f_101_Download E400f [LGFLASHTool1350] LGE Internal Use Only - 107 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 118 5. DOWNLOAD [LGFLASHTool1350]LGE400f_101_Download LGE400f_0101.dll LGE400f_101 LGE400f [LGFLASHTool1350]LGE400f_101_Download LGE400f LGE400f LGE Internal Use Only - 118 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 125: 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 - 15 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 126 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 - 16 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 127 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 - 17 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 128 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 - 18 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 129 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 - 19 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 132: Circuit Diagram
C203 C204 WCDMA_850_RTX 6.8p 0.5p L129 3.3n C1081 L1021 GND1 GND2 GND5 C197 C198 GND3 GND4 Band V LGE Internal Use Only - 132 - Copyright © 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 133 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 - 133 - Copyright © 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 134 C360 C361 C362 C363 C364 C365 C366 470n 470n 470n 470n 470n 470n 470n 470n 470n 470n 470n LGE Internal Use Only - 134 - Copyright © 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 135 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 - 135 - Copyright © 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 136 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 - 136 - Copyright © 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 137 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 - 137 - Copyright © 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 138 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 - 138 - Copyright © 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 139 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 - 139 - Copyright © 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 140 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 - 140 - Copyright © 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 141: 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 - 141 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 142 8. BGA PIN MAP U200 - MSM7225A (Bottom View) U200 - MSM7225A (Bottom View) NOT IN USE LGE Internal Use Only - 14 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 143 8. BGA PIN MAP U402 - PM8029 (Bottom View) U402 - PM8029 (Bottom View) NOT IN USE LGE Internal Use Only - 143 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 144 8. BGA PIN MAP U100 - RTR6285A (Top View) U100 - RTR6285A (Top View) NOT IN USE LGE Internal Use Only - 144 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 145 8. BGA PIN MAP U900 – WCN2243 (BT/FM) (Top View) U900 – WCN2243 (BT/FM) (Top View) LGE Internal Use Only - 145 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 146 8. BGA PIN MAP U901 – WCN1314 (WiFi) (Top View) U901 – WCN1314 (WiFi) (Top View) NOT IN USE LGE Internal Use Only - 146 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 147: Pcb Layout
R710 C733 R711 R602 VA601 to face C730 C732 FB703 VA706 R612 R611 VA600 LD601 KB800 LD600 LG-E400f_MAIN_EAX64669801_1.0_TOP LGE Internal Use Only - 147 - Copyright © 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 148 CN600 Touch Connector R810 VA806 - No Touch Function C232 M700 Audio Sub System - No Speaker/Headset Sound CN701 LG-E400f_MAIN_EAX64669801_1.0_BOT LGE Internal Use Only - 148 - Copyright © 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 149: 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 - 149 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 154 10. CALIBRATION E400f LGE400f LGE400f E400f E400f E400f E400f E400f LGE400f LGE Internal Use Only - 154 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 169: Hidden Menu
Start the desired menu: Menu, click Version Info Classified Information representation -> Hidden Menu -> Settings -> Version Info LGE Internal Use Only - 169 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 170 Allauto Test : -> You can test all functions automatically Auto All Test Result -> You can check Test Results LGE Internal Use Only - 170 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 171 Home key : Hard Key Back key : Touch Key Compass Sensor : Check North Proximity Sensor : Bilnd the Proximity sensor LGE Internal Use Only - 171 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 172 Touch Drawing Test Draw a guide line Sound Test Touch the “Play” icon Vibrator Test Touch the “Start” icon LGE Internal Use Only - 17 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 173 Camera is recoding for 5 seconds Motion Sensor Test Check 3 positions -> Position horizontally -> Position Vertically -> Position side LGE Internal Use Only - 173 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 174 “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 - 174 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 175: Exploded View & Replacement Part List
Dome Assembly,Metal Motor,DC SJMY00 EAC00 ACQ02 Cover Assembly,Battery Rechargeable Battery,Lithium Ion EAC00 ADB00 EBR00 MBK00 ACQ02 SUMY00 EAA00 ACQ00 LGE Internal Use Only - 175 - Copyright © 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 176: Replacementparts
ZZZBK ZZ:Without Color 1Button ACFA00 ACFA0000301 Side Button Type MJN00 Tape,Window MJN68077301 COMPLEX LGE400.ADEUSK ZZ:Without Color - LGE Internal Use Only - 176 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 177 MDS63919401 E400_GASKET_LCD MCQ00 Damper,LCD MCQ66992301 COMPLEX LGE400.ADEUSK ZZ:Without Color - MJN01 Tape MJN68077501 COMPLEX LGE400.ADEUSK ZZ:Without Color - LGE Internal Use Only - 177 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 178 LGE400F.AVIVBK ZZ:Without Color LG-E400F AFN053800 AFN75738873 Operation Manual Assy for VIV LGE400F.AVIVBK ZZ:Without Color LGE400F AGF000000 Package Assembly AGF76460302 Brazil Package LGE Internal Use Only - 178 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 179 ELCH0004718 Multilayer,Chip 1.0X0.5X0.5MM R/TP PILKOR ELECTRONICS LTD. MCR006YZPJ102 1KOHM 5% 1/20W 0603 R316 Resistor,Chip ERHY0009504 R/TP - ROHM. LGE Internal Use Only - 179 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 180 MODULE,GPS, RF MICRO DEVICES INC FL500 FL501 ICVE10184E150R101FR ESD/EMI 0HZ 15pF FL502 Filter,EMI/Power SFEY0010501 0H SMD R/TP INNOCHIPS TECHNOLOGY FL503 FL504 LGE Internal Use Only - 180 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 181 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 - 181 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 182 LQG15HS2N0S02D 2NH 0.3NH - 300mA L115 Inductor,Multilayer,C 0.1OHM 6GHZ 8 SHIELD NONE ELCH0003844 L118 1.0X0.5X0.5MM R/TP MURATA MANUFACTURING CO.,LTD. LGE Internal Use Only - 18 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 183 30TO+85C 1005 R/TP - TDK CORPORATION C160 C168 C169 C193 C207 C208 C209 C210 C212 C214 C215 C216 C225 C228 LGE Internal Use Only - 183 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 184 R114 R/TP - ROHM. RTR6285A GSM/EDGE/3G Quad with IC,RF U100 EAN62090401 MSM7227A CSP R/TP 137P QUALCOMM Transceiver,3G INCORPORATED. LGE Internal Use Only - 184 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 185 AX3100 ATL SV_SHIPBACK,MAIN,A,0OHM DNI R221 PAD OPEN R123 MCR01MZP5J111 110OHM 5% 1/16W 1005 Resistor,Chip ERHZ0000408 R124 R/TP - ROHM. LGE Internal Use Only - 185 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 186 KOREA CORPORATION C708 C937 R800 R801 MCR01MZP5F5602 56KOHM 1% 1/16W 1005 R802 Resistor,Chip ERHY0000147 R/TP - ROHM. R803 R804 LGE Internal Use Only - 186 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 187 R415 Resistor,Chip ERHZ0000493 R/TP - ROHM. R210 MCR01MZP5J240 24OHM 5% 1/16W 1005 Resistor,Chip ERHZ0000522 R211 R/TP - ROHM. LGE Internal Use Only - 187 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 188 EAH61532901 2P 1 NXP Semiconductors R217 MCR01MZP5J104 100KOHM 5% 1/16W 1005 R315 Resistor,Chip ERHZ0000406 R/TP - ROHM. R500 LGE Internal Use Only - 188 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 189 R501 R502 R608 MCR01MZP5J472 4.7KOHM 5% 1/16W 1005 Resistor,Chip ERHY0000254 R609 R/TP - ROHM. R613 R614 R707 R708 LGE Internal Use Only - 189 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 190 HK1005 5N6S-T 5.6NH 0.3NH - 300mA C1036 Inductor ELCH0001036 0.23OHM 4GHZ 8 SHIELD NONE C1040 Multilayer,Chip 1.0X0.5X0.5MM R/TP TAIYO YUDEN CO.,LTD LGE Internal Use Only - 190 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 191 1005GC2T3N3SLF 3.3NH 0.3NH - 300mA C1042 Inductor 0.19OHM 4.5GHZ 8 SHIELD NONE C1052 ELCH0004709 Multilayer,Chip 1.0X0.5X0.5MM R/TP PILKOR ELECTRONICS C181 LTD. LGE Internal Use Only - 191 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 192 11.5x13.0x0.9 TR 153P NAND+DDR SDRAM FBGA 4GB eMMC v4.41+4Gb LPDDR1 200MHz x32 2CS (27nm 32Gb MLC NAND+44nm 2Gb LPDDR1) HYNIX SEMICONDOCTOR LGE Internal Use Only - 19 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 193 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 - 193 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 194 SFAY0015501 AVAGO TECHNOLOGIES INTERNATIONAL SALES PTE. LIMITED MCR006YZPJ000 0OHM 5% 1/20W 0603 R/TP R120 Resistor,Chip ERHY0009501 - ROHM. LGE Internal Use Only - 194 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 195 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 - 195 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 196 0DBM 22P 6.63x5.24x0.975MM WGPRS Quad U101 Module,Tx Module EAT61673301 Tx Dual Rx, SP6T, Dual WCDMA Port, 22pin, 6.63*5.24*0.975 RF MICRO DEVICES INC LGE Internal Use Only - 196 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 197 NONE SMD R/TP EPSON TOYOCOM CORP PESD12VS1UA 12V 13.3V min. 19V 22.5A ZD400 Diode,TVS EAH61872601 360mW SOD323 R/TP 2P 1 NXP Semiconductors LGE Internal Use Only - 197 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 198 ,SMD FL1008 Filter,Duplexer,IMT SDMY0001901 ,Band1, 2520size, SAW, Rx unbal MURATA MANUFACTURING CO.,LTD. MURATA MANUFACTURING CO.,LTD. LGE Internal Use Only - 198 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 199 1.4 ohm 0.1A SMD R/TP 2P 0 MURATA MANUFACTURING CO.,LTD. R710 MCR01MZP5J1R0 1OHM 5% 1/16W 1005 R/TP Resistor,Chip ERHZ0000434 R711 - ROHM. LGE Internal Use Only - 199 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 200 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 - 00 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 201 BLACK Bar type, Top cap Screw joint Battery,Lithium Ion 444461, 1500mAh, Bar Type (Top cap screw joint), WW, Up TOCAD DONGHWA LGE Internal Use Only - 01 - Copyright © 01 LG Electronics. Inc. All right reserved. Only for training and service purposes...

LG -E400f Service Manual

1 Introduction

2 Performance

3 Cic_Faq

4 Trouble Shooting

5 Download

6 Block Diagram

7 Circuit Diagram

8 Bga Pin Map

9 Pcb Layout

10 Calibration

11 Hidden Menu

12 Exploded View & Replacement Part List

Quick Links

Troubleshooting

Related Manuals for LG LG-E400f

Summary of Contents for LG LG-E400f

Table of Contents