LG LG-E400 Page 144 Service Manual Download

Page: 144 / 225

6. BLOCk DIAGRAM

- 144 -

Only for training and service purposes

LGE Internal Use Only

VDD_ANA

VDD S1

VDD_L1_L2

VDD L3 L4 L5 L6

VREG_MSMC1_1.1V
VREG_MSMC2_1.1V
VREG_MSME_1.8V

VSW_S1
VSW_S2
VSW S3

MIC

MIC_BIAS

VDD_S1

VDD_S2

VDD_S3

VDD_S4

VDD_NCP_L7

VDD_SMPS

VDD_L3_L4_L5_L6

VDD_L8_L9_L10_L11

VDD_L12_L13_L14_L15_

L16

VDD_L17_L18_L19

MSM7225A

VREG_MSMA2_1.2V
VREG_MSMA1_2.6V
VREG_PADAC_2.05V

VSW_S3

VREG_L3
VREG_L5

MCP

8Gb NAND

VREG_L2

MIC

VREG_PLL_1.1V

VREG_L3

VREG_USB_1.8V

VREG_L9

VREG_USB_3.3V

VREG L14

5pin u-USB

Connector

VREG_SMPS_2.1V

RTR6285A

VREG_S4

GPS LNA

4Gb RAM

WCDMA/GSM PAM

VBAT

VBUS

PM8029

VBAT

VREG_MSME_1.8V

VRG_L18

VREG_RF_2.7V

VREG_P3_2.85V

VREG_L12

MINI ABB(LP8727-B)

Battery

1500mAh

WCN1314 : WiFi

+1V3_MSM_A3_WCN

VREG_L19

+3V_WLAN_WCN

VREG_L17

+ 1V8_WLAN_TCXO

VREG_L11

+ 1V2_WLAN_WCN

VREG_L6

+1V3_MSM_A3_WCN

VREG_L5

VCOIN

VBAT

Micro SD

VREG_SDCARD_2.85V

VREG_L13

KEY LED

BACKLIGHT_KEY

MPP3

USIM

VREG_L16

VREG_USIM1_2.85V

VIB_DRV_N

MOTOR

VBAT

WCN2243 : BT/FM

VREG_MSME_1.8V

VCOIN

MPP_7

TCXO

VREG TCXO 2.85V

VREG L8

VBAT

Audio

Sub System

VREG_MSME_1.8V

TCXO

19.2Mhz

G_ C O_ 85

VREG_L8

VREG_LCD_2.8V

VSW_MSME

VREG_L10

CAM AVDD 2.8V

TOUCH IC

VREG_TOUCH_3.0V

VREG_L1

LCD

B kli ht

MLED[1:5]

3M CAM

(SoC)

CAM_DVDD_1.2V
CAM_IOVDD_1.8V

Backlight

charge pump

PROXIMITY

VREG_PROX_2.8V

@;9($$DckYf6`cW_8]U[fUa

LGE400 Power Block Diagram

Summary of Contents for LG-E400

Page 1: ...Internal Use Only Service Manual LG E400 Date February 2012 Issue 1 0 ...

Page 2: ...NAL PATH 53 4 3 CheckingTCXO Block 56 4 4 Checking GSMTX Module GSM PAM ASM Block 59 4 5 CheckingWCDMA Block 62 4 6 Checking GSM Block 73 4 7 GPS WIFI BT RF Component 81 4 8 GPS WIFI BT SIGNAL PATH 83 4 9 GPS WIFI BTTrouble shooting 85 4 10 Power ONTrouble Shooting 92 4 11 ChargingTrouble Shooting 96 4 12 3MFF CameraTrouble Shooting 99 4 13 Main LCD trouble 102 4 14 Proximity Sensor on offTrouble ...

Page 3: ...cessed through or connected to it The manufacturer will not be responsible for any charges that result from such unauthorized use B Incidence of Harm If a telephone company determines that the equipment provided to customer is faulty and possibly causing harm or interruption in service to the telephone network it should disconnect telephone service until repair can be done A telephone company may ...

Page 4: ...tion A phone may interfere with sensitive laboratory equipment medical equipment etc Interference from unsuppressed engines or electric motors may cause problems H Electrostatic Sensitive Devices ATTENTION Boards which contain Electrostatic Sensitive Device ESD are indicated by the sign Following information is ESD handling Service personnel should ground themselves by using a wrist strap when exc...

Page 5: ...rting Standard WCDMA FDD1 8 EGSM GSM850 DCS1800 PCS1900 with seamless handover Phase 2 include AMR SIM Toolkit Class 1 2 3 C E Frequency Range WCDMA FDD1 TX 1920 1980 MHz WCDMA FDD1 RX 2110 2170 MHz WCDMA FDD8 TX 880 915 MHz WCDMA FDD8 RX 925 960 MHz EGSM TX 880 915 MHz EGSM RX 925 960 MHz GSM850 TX 824 849 MHz GSM850 RX 869 894 MHz DCS1800 TX 1710 1785 MHz DCS1800 RX 1805 1880 MHz PCS1900 TX 1850...

Page 6: ...ment Form Factor DOP type Battery 1 Capacity Standard Li Ion 1500mAh 2 Packing Type Soft Pack Size Standard 102 6 x 61 6 x 11 85 mm Weight 119g With Battery Volume 74 89cc PCB Staggered 8 Layers 0 8t Stand by time 2G Up to 600 hrs 3G Up to 600 hrs Paging Period 5 2G DRX 7 3G Charging time 3 hrs Power Off 1500mAh Talk time 2G Up to 750mins 3G Up to 600mins Power Level 13 2G Tx 0dBm 3G RX sensitivit...

Page 7: ... 1900 26 dBm E2 GSM900 E2 PCS E2 DCS GPRS compatibility GPRS Class 12 EDGE compatibility EDGE Class 12 SIM card type Plug In SIM 3V 1 8V Display Main LCD TFT Main LCD 3 2 240 x 320 Built in Camera 3M FF CMOS Camera Status Indicator No Keypad Function key 1 Side Key 2 Power key 1 Function Key Home Back Menu Side Key Volume up down ANT Main Internal Fixed Type LDS type System connector 5 Pin Ear Pho...

Page 8: ...or Built in Vibrator Blue Tooth V3 0 MIDI for Buzzer Function SW Decoded 72Poly Music Player MP3 WMA AAC HE AAC EAAC Video Player MPEG4 H 263 H 264 Camcorder MPEG4 H 263 H 264 Voice Recording Yes Speaker Phone mode Support Yes Travel Adapter Yes CDROM No Stereo Headset Yes Not inbox Data Cable Yes T Flash External Memory Yes Not inbox ...

Page 9: ...Yes Speed Dial Yes Profile Yes not same with feature phone setting CLIP CLIR Yes Phone Book Name Number Email Website Postal addresses Organizations Groups Birthday Ringtone There is no limitation on the number of items It depends on available memory amount Last Dial Number Yes Last Dial Numbers Last Received Numbers and Last Missed Numbers can store up to a total of 500 Last Received Number Yes L...

Page 10: ...ber Yes Service Dial Number No Own Number Yes Read only add edit delete are not supported Voice Memo Yes Call Reminder No Network Selection Automatic Mute Yes Call Divert Yes Call Barring Yes Call Charge AoC Yes Call Duration Yes SMS EMS There is no limitation on the number of items It depends on available memory amount EMS does not support SMS Over GPRS No EMS Melody Picture No Send Receive Save ...

Page 11: ...onvert No Stop Watch No Wall Paper Yes WAP Browser No Support only web browser based on webkit WAP stack and wml are not supported Download Melody Wallpaper Yes Over web browser SIM Lock Yes Operator Dependent SIM Toolkit Class 1 2 3 C MMS Yes Google MMS Client EONS No CPHS Yes V4 2 ENS No Camera Yes 3M FF Digital Zoom x4 JAVA No Voice Dial No IrDa No Bluetooth Yes Ver 3 0 FM radio Yes GPRS Yes Cl...

Page 12: ...opyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Hold Retrieve Yes Conference Call Yes Max 6 DTMF Yes Memo pad No TTY No AMR Yes SyncML Yes IM No Email Yes ...

Page 13: ... modulation out to less than 1800kHz offset 200kHz 36dBm 600kHz 51dBm 56dBm Spectrum due to modulation out to larger than 1800kHz offset to the edge of the transmit band GSM 1800 3000kHz 63dBc 46dBm 3000kHz 6000kHz 65dBc 46dBm 6000kHz 71dBc 46dBm DCS 1800 3000kHz 65dBc 51dBm 6000kHz 73dBc 51dBm Spectrum due to switching transient 400kHz 19dBm 22dBm 5 0 23dBm 600kHz 21dBm 24dBm 5 0 26dBm Reference ...

Page 14: ...f power Adjacent Channel Leakage Power Ratio ACLR 33 dB 5 MHz 43 dB 10 MHz Spurious Emissions f fc 12 5 MHz 36 dBm 1 kHz RW 9 kHz f 150 kHz 36 dBm 10 kHz RW 150 KHz f 30 MHz 36 dBm 100 kHz RW 30 MHz f 1 GHz 30 dBm 1 MHz RW 1 GHz f 12 75 GHz 60 dBm 3 84 MHz RW 869 MHz f 894 MHz 60 dBm 3 84 MHz RW 1930 MHz f 1900 MHz 60 dBm 3 84 MHz RW 2110 MHz f 2155 MHz 67 dBm 100 kHz RW 925 MHz f 935 MHz 79 dBm 1...

Page 15: ... MHz Band1 Îor 89 7dBm 3 84 MHz Ioac 52 dBm 3 84 MHz 5 MHz Band8 Blocking Characteristic BER 0 001 when Îor 103 7 dBm 3 84 MHz Iblocking 56 dBm 3 84 MHz Fuw offset 10 MHz or Iblocking 44 dBm 3 84 MHz Fuw offset 15 MHz Spurious Response BER 0 001 when Îor 103 7 dBm 3 84 MHz Iblocking 44 dBm Intermodulation BER 0 001 when Îor 103 7 dBm 3 84 MHz Îor 100 7 dBm 3 84 MHz Band8 Iouw1 46 dBm Fuw1 offset 1...

Page 16: ...step Power step slot boundary Power step size P dB Transmitter power step tolerance dB 5 1 Start of Ack Nack 6 2 3 2 Start of CQI 1 0 6 3 Middle of CQI 0 0 6 4 End of CQI 5 2 3 Spectrum Emission Mask Sub Test 1 1 15 2 12 15 3 13 15 4 15 8 5 15 7 6 15 0 Frequency offset from carrier f Minimum requirement Measurement Bandwidth 2 5 3 5 MHz 35 15 f 2 5 dBc 30 kHz 3 5 7 5 MHz 35 1 f 3 5 dBc 1 MHz 7 5 8...

Page 17: ...z 2483 5 MHz CH1 CH13 Tx Power Level 20dBm under Europe 30dBm under USA Frequency Tolerance within 25 PPM Chip clock Frequency Tolerance within 25 PPM Spectrum Mask 30 fc 22MHz f fc 11MHz and fc 11MHz f fc 22MHz 50 f fc 22MHz and f fc 22MHz Power ramp on off time 2us Carrier Suppression 15dB Modulation Accuracy Peak EVM 35 Spurious Emissions 36 dBm 30MHz 1GHz 30 dBm above 1GHz 12 75GHz 47 dBm 1 8G...

Page 18: ...MHz 30Mhz Transmitter constellation error rms EVM 5dB Spurious Emissions 36 dBm 30MHz 1GHz 30 dBm above 1GHz 12 75GHz 47 dBm 1 8GHz 1 9GHz 47 dBm 5 15GHz 5 3GHz Rx Min input Sensitivity PER 10 82dBm 6Mbps 81dBm 9Mbps 79dBm 12Mbps 77dBm 18Mbps 74dBm 24Mbps 70dBm 36Mbps 66dBm 48Mbps 65dBm 54Mbps Rx Max input Sensitivity 20dBm 6 9 12 18 24 36 48 54Mbps PER 10 Rx Adjacent Channel Rejection PER 10 ACR ...

Page 19: ... All right reserved Only for training and service purposes LGE Internal Use Only 8 GPS receiver specification Item Specification Receive Frequency 1574 42 MHz 1576 42 MHz Minimum Sensitivity 1 satellite 142dBm 7 satellites 147dBm at coarse time aiding ...

Page 20: ...imitation How to setup the ring tone by MP3 From home screen Luncher Music Select the song Menu Click Use as ringtone How to change the other ringtone to be enclosed Menu Setting Sound Phone ringtone Find and select the song which you want to set as ringtone Is it possible to update Video codec on the phone No it s impossible Is it possible to update Music codec on the phone No it s impossible How...

Page 21: ... will be erased hence customer should have to do backup them in advice 2 In case that you miss the PIN or Pass code you also should have to visit the SVC cetner Is there any notification when the internal memory is full It will be notified on the status bar when it is full If you download the Android System Info application from the Market You can check system information visually Internal Memory ...

Page 22: ...use calling SMS How to do From Homescreen Menu Setting Wiress networks Mobile network Uncheck Data Enable How to Factorey reset Factory reset means the phone will be recovred to factory shipment status Installed application PIM data by user will be erased after doing factory reset How to do From Homescreen Menu Setting Privacy Factory Data Reser Reset Phone Erase every thing How to recognize the m...

Page 23: ... to calibrate for Compass The customer should have to do calibration for digital compass How to do After executng the compass application move the phone as the shape of for 2 3 seconds Is it possible to remove application Icon in home menu Yes It s possible How to do Long press the icon which customer want to remove and then drag and drop it to trash can How to change the Home screen Officially it...

Page 24: ...uch Calibration is only applied to the model which has resistive touch LCD Thunder model Vs660 p 500 etc with capacitive is no need for Touch Calibration therefore Touch Calibration is not supportive Exchange manager can do remote factory reset in case that he lost the phone It will be possible to do factory reset If you have a Exchange account and you tried to log in MS exchange via phone Current...

Page 25: ... tethering Phone should be connected with 3G network In case of Android 2 1 you need to download the DUN application from the Market Ex PDA Net What is the APN Setting From Homescreen Menu Settings Wireless controls Mobile networks Access Point Names APN New APN 1 When the customer use this option 1 In case of using other operator s SIM card 2 In case of using prepaid SIM card 3 In case of using p...

Page 26: ...Export Export to SD Card 3 Synchronize it with Google server How to do From Homescreen Menu Setting Data synchronization Click Auto sync How to obtain the Android PC suit program PC Sync means synchronizing PIM personal information management data such as contacts calendar E mail and MP3 Video Picture Download LG Mobile Support Tool from the below website How to download LG Mobile Support Tool WWW...

Page 27: ...n Answer Is it possible to remove application Icon in home menu Yes It s possible How to do Long press the icon which customer want to remove and then drag and drop it to trash can How to change the Home screen Officially it only provides LG Home If you want to add the home screen pls download the Home launcher program from the Android market ...

Page 28: ...ttings Wireless controls Mobile networks Access Point Names APN New APN 1 When the customer use this option 1 In case of using other operator s SIM card 2 In case of using prepaid SIM card 3 In case of using phone which is for open market 2 Where the customer get the setting information Basically if you set the Name APN the rest of option will be set automatically Most of information is depend on ...

Page 29: ...ange Asynchronous Delete it from trash box No change IMAP Move ir to trash box Move ir to trash box Synchronous Delete it from trash box Delete it from trash box Exchange Move ir to trash box Move ir to trash box Synchronous Delete it from trash box Delete it from trash box Is it possible to create the MS exchange account via E Mail It will be different according to the operator Pls check as below...

Page 30: ...ync New contact created from phone can t be synchronized with G mail When contact is created contact type should be set up to Google contact which you want to synchronize How to check Contacts Menu New contact Select the Google contact Google account which you want to synchronize If you select the Handset the created contact won t be synchronized with G mail 3 6 Phone_Calls Contacts Question Answe...

Page 31: ...ls 2 Select the dial expect for operator demaned fixed speed dial 3 select contact and then set up speed dial Another way 1 Contacts select contact Menu More select Speed Dials select number In case of selected Speed dial push longer speed dial from Phone Dialer tab or after selecting speed dial click call button operatos requested fixed Speed dial is as follows VIV 1 Voicemail Voicemail 2 Voice P...

Page 32: ...up User s Apps Please recommand to install the public back up program ex ASTRO File Manager from market in advance How to calibrate for Compass The customer should have to do calibration for digital compass How to do After executng the compass application move the phone as the shape of for 2 3 seconds Is it possible to install application program into SD card OS Limitation It s possible After appl...

Page 33: ...LG Mobile Support Tool WWW lg com Select Your Region Select Your country Support Mobile phone support Click Download How to do Execute LG Mobile Support Tool Customer Support Application Manual USB Driver Download Input IMEI Model Serial No Download PC Sync program Is Power off Alarm supported No it s not supported OS Limitation Android phone does not support the function of power off alarm Questi...

Page 34: ...case of DHCP IP AP has a limitation of IP allocation It s possibility AP can t allocate the IP address anymore due to capacity Hence try to access the AP again after resetting AP If possbile pls update the F W of AP 2 In case of static IP 1 After setting the IP by the customer User should have to save it How to do From Homescreen Menu Setting Wiress network settings Wifi setting Menu advanced Chec...

Page 35: ...swer What is the Android 2 2 bettter than the Andorid 2 1 Please refer to the below table To Compare between 2 1 2 2 2 3 2 0 2 1 Android Eclair Optimization of H W speed Support better big screen and resolution Revamped UI New browser UI and supporting HTML5 New connect index The better Black White ratio for background Improvement of google map 3 1 2 Support to Microsoft exchange Support the inner...

Page 36: ...ynchronize date wifing remote Going directly a phone and browser application and Improvement of application luncher USB tethering and Wifi hotspot function Support market practice program include whole and automatic update funtion Quick change between dictionary and keyboard lauguage Sharing contact and voice call using bluetooth Support of file upload field at the browser application Support of i...

Page 37: ...k CIC Web 7 Android 2 2 P500 P509 Application Setting O X Category Sub_ Category Question Answer Phone Function Digital Compass How to calibrate for Compass The customer should have to do calibration for digital compass How to do After executng the compass application move the phone as the shape of for 2 3 seconds Released Date Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 2010 09 28 ...

Page 38: ...Remark CIC Web 11 Android 2 2 P500 P509 Home Setting O X Released Date Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 2010 09 28 Category Sub_ Category Question Answer Phone Function Home menu Is it possible to remove application Icon in home menu Yes It s possible How to do Long press the icon which customer want to remove and then drag and drop it to trash can ...

Page 39: ...ory Remark CIC Web 35 Android 2 2 P500 P509 Home Setting O X Category Sub_ Category Question Answer Phone Function Home menu How to change the Home screen Officially it only provides LG Home If you want to add the home screen pls download the Home launcher program from the Android market Released Date Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 2010 09 28 ...

Page 40: ...d Date Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 2010 09 28 Category Sub_ Category Question Answer Phone Function Tethering Is it possible to use tethering with P500 Android 2 2 Yes it s supported From Homescreen Settings Wireless network settings Tethering Portable hotspot check USB tethering Phone should be connected with 3G network In case of Android 2 1 you need to download the DUN appl...

Page 41: ...creen Menu Settings Wireless controls Mobile networks Access Point Names APN New APN 1 When the customer use this option 1 In case of using other operator s SIM card 2 In case of using prepaid SIM card 3 In case of using phone which is for open market 2 Where the customer get the setting information Basically if you set the Name APN the rest of option will be set automatically Most of information ...

Page 43: ...tep 4 Step 5 Step 6 Step 7 2010 09 28 Category Sub_ Category Question Answer Google Service G Mail Account Is it possible to change Log in account or remove Protocol DetectionBehavior Type Indevice Inserver POP3 Moveirtotrashbox Nochange Asynchronous Deleteitfromtrashbox Nochange IMAP Moveirtotrashbox Moveirtotrashbox Synchronous Deleteitfromtrashbox Deleteitfromtrashbox Exchange Moveirtotrashbox ...

Page 44: ...1st Category 2nd Category Remark CIC Web 30 Android 2 2 P500 P509 Multimedia Setting O O Released Date Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 2010 09 28 Category Sub_ Category Question Answer Phone Function Alram How to setup the Alarm ring tone by MP3 file Go to 48 49 page How to set up MS Exchange 1 How to set up MS Exchange 2 ...

Page 45: ... Step 3 Step 4 Step 5 Step 6 Step 7 2010 09 28 Category Sub_ Category Question Answer Data Contacts Backup How to setup the Alarm ring tone by MP3 file There are several ways as below 1 Copy it to SIM Card How to do From contacts Menu More Import Export Export to SIM 2 Copy it to SD Card How to do From contacts Menu More Import Export Export to SD Card 3 Synchronize it with Google server How to do...

Page 46: ...ub_ Category Question Answer Phone Function PC Sync program How to obtain the Android PC suit program PC Sync means synchronizing PIM personal information management data such as contacts calendar E mail and MP3 Video Picture Download LG Mobile Support Tool from the below website WWW lg com or update lgmobile com How to do Execute LG Mobile Support Tool Customer Support Application Manual USB Driv...

Page 47: ...S Model 1st Category 2nd Category Remark CIC Web 22 Android 2 2 P500 P509 Wi Fi Setting O X Released Date Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 2010 09 28 Category Sub_ Category Question Answer Phone Function Wifi MAC Address How to obtain the Wifi MAC address How to do From Homescreen About phone Status Wifi MAC address ...

Page 48: ...rnal Use Only The People Company How to set up MS Exchange 1 1 Select MS Exchange as below 2 Input Email address Password 3 1 t Email address Password 3 Input Server info and detailed info How to set up MS Exchange 1 1 Select MS Exchange as below Input Email address Password 3 Input Server info and detailed info ...

Page 49: ...oming server setting 5 If the Security feature is setup in Server This popup will be shown Otherwise this popup won t be shown 6 Se How to set up MS Exchange 2 ure is his popup will ise this popup 6 Select the sync option 4 Checking incoming server setting 5 If the Security feature is setup in Server This popup will be shown Otherwise this popup won t be shown 6 Select the sync option ...

Page 51: ...rvice purposes LGE Internal Use Only 4 TROUBLE SHOOTING 4 1 RF Component U100 RF Transceiver U101 GSM PAM ASM X200 VCTCXO FL1002 EGSM 850 Rx SAW FL1001 DCS PCS Rx SAW FL1008 W2100 DPX FL104 W900 Tx SAW U103 W900 PAM SW100 Mobile Switch FL2 W900 DPX U102 W2100 PAM FL101 W2100 Rx SAW FL102 W2100 Tx SAW ...

Page 52: ... Description Reference Description U100 RTR6285A Transceiver FL2 WCDMA VIII Duplexer U101 GSM TX Module ASM GSM PAM FL101 WCDMA I RX SAW Filter U102 WCDMA I PAM FL1002 EGSM 850 Rx saw filter U103 WCDMA VIII PAM FL1001 DCS PCS Rx saw filter FL102 WCDMA I TX SAW Filter X200 VCTCXO 19 2MHz FL104 WCDMA VIII TX SAW Filter SW100 RF Antenna Connector FL1008 WCDMA I Duplexer ...

Page 53: ...opyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 2 SIGNAL PATH WCDMA I and VIII BandTX Signal PATH D2 WCDMA 2100TX PATH E2 WCDMA 900TX PATH F1 COMMONTX RX PATH ...

Page 54: ...ING 54 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only WCDMA I and VIII BandTX Signal PATH D2 WCDMA 2100TX PATH E2 WCDMA 900TX PATH F1 COMMONTX RX PATH ...

Page 55: ...LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only GSM850 GSM900 DCS PCS s RX TX Signal PATH A GSM850 GSM900 DCS1800 PCS1900 RX PATH B GSM850 GSM900 DCS1800 PCS1900TX PATH C1 COMMONTX RX PATH ...

Page 56: ...G Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 3 Checking TCXO Block The output frequency 19 2MHz of TCXO X2001 is used as the reference one of RTR6285 and PM7540 internal VCO TP1 TP2 TP3 ...

Page 57: ...ice purposes LGE Internal Use Only R204 100 C218 330p C206 1n X200 KT2520F19200DCW28RAK 19 2MHZ 4 3 5 2 6 1 VCONTROL VCC NC1 NC2 GND OUT C217 10n C207 0 1u 330p C219 VREG_TCXO_2 85V TCXO_RTR_19 2MHZ TCXO_PM_19 2MHZ TRK_LO_ADJ TCXO Circuit Clesed to TCXO TP1 TP3 TP2 Schematic of the Crystal Part 19 2MHz ...

Page 58: ...ll right reserved Only for training and service purposes LGE Internal Use Only CheckTP1 VCC ofTCXO VCC 2 8V Check the PM8029 No Yes CheckTP2 2 4V Voltage 0 4V Check the MSM7225A No Yes CheckTP3 19 2 MHz Signal Check soldering and components No Yes TCXO is OK ...

Page 59: ...OOTING 59 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 4 Checking GSM TX Module GSM PAM ASM Block ANT_SEL3 ANT_SEL0 ANT_SEL1 VBATT TP1 ANT_SEL2 ...

Page 60: ...U101 24 17 18 19 13 12 6 5 3 1 2 16 20 5 1 4 1 4 22 11 10 9 8 7 23 21 TX_EN PGND1 GND GND2 GND3 RX1 RX2 VRAMP 5 D N G T N A 6 D N G GPCTRL0 GND7 GND8 GND1 B L _ N I F R B H _ N I F R GND4 TRX1 TRX2 GPCTRL1 VBATT GPCTRL2 PGND2 5 4 0 1 C p 0 0 1 p 0 0 1 7 4 0 1 C 8 4 0 1 C p 0 0 1 p 0 0 1 1 5 0 1 C C1091 56p 2 2K R107 C1092 22p 39p C1024 0 3 1 2 1 1 R 47 R113 0 3 1 4 1 1 R VBAT 75 R116 1 9 5 1 1 R 1...

Page 61: ... LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Checking Switch Block Power Source Check ANT_SEL 0 1 2 3 High Level 1 2V Voltage 3V Check theTP1 VBATT No Yes Check the Logic In each mode ...

Page 62: ...nc All right reserved Only for training and service purposes LGE Internal Use Only 4 5 Checking WCDMA Block START 1 CheckTCXO 19 2MHz 6 Ro download SW Cal 2 Check FEM Block Refer to 4 4 3 Check RFTx Level 5 Check RF Level 4 Check PAM Block Refer to 1 5 4 ...

Page 63: ...G Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 5 1CheckingTCXO Block Refer to 4 3 4 5 2 CheckingTx Module Block Refer to 4 4 4 5 3 Checking RFTX Level Test Point TX Level TP4 TP1 TP2 TP3 ...

Page 64: ...1 GSM_TX DCS_PCS_TX ANT_SEL3 WCDMA_2100_RTX WCDMA_900_RTX ANT_SEL0 Murata EAM62492501 2mm 11dB 7dB 8 0 6 1 PCS 1850 1910 MHz DCS 1710 1785 MHz GSM850 824 849MHz GSM900 880 915MHz TP1 C137 DNI U102 6 5 7 4 8 3 9 2 10 1 11 PGND VCC1 VCC2 RFIN RFOUT VBP ISO VMODE GND VEN CPL U103 6 5 7 4 8 3 9 2 10 1 11 PGND VCC1 VCC2 RFIN RFOUT VBP ISO VMODE GND VEN CPL L1031 DNI C144 3 3p 2 2u C187 C181 3 3n C199 2...

Page 65: ...6285 Maximum output Power 7 dBm RTR6285 minimum output Power 80 dBm PAM ACPM 5281 Maximum input Power 10 dBm RFTx Level is OK Yes No Check PAM Block Refer to 1 5 4 CheckTX Module Yes No Check Duplexer Yes No Check RTR6285A Yes No CheckTP1 Over 21dBm CheckTP2 Over 21dBm CheckTP3 Over 21dBm CheckTP4 Over 7dBm Check ANT_SEL 0 1 2 High Low Low ...

Page 66: ...LGE Internal Use Only 4 5 4 Checking PAM Block PAM Control Signal PA_ON0 C185 PA_ON1 C201 PAM Enable PA_R0 PAM Gain Control PA_ON must be HIGH over 2 6V PAM IN OUT Signal When PAM is under the operation of high power mode PA_R0 C185 Low PAM OUT power must be over 21 dBm PAM IN power must be under 10 dBm TP1 TP3 TP2 ...

Page 67: ...n 7 2 5 9 1 C 8 7 1 C n 7 2 DNI L116 FL2 7 5 8 4 9 2 3 1 6 ANT RX1 TX GND1 GND5 GND2 RX2 GND3 GND4 110 R123 110 R124 1 2 1 L n 3 2 2 1 L p 7 2 0 9 0 1 C p 8 1 FL1008 1950MHz 2140MHz 7 5 8 4 9 2 3 1 6 ANT RX TX GND1 GND6 GND2 GND5 GND3 GND4 5 1 1 L n 4 2 n 9 3 9 7 0 1 C L1021 12n C182 3 9n 2 1 1 L n 0 1 9 2 1 L n 7 2 C198 0 75p C180 1p 6 9 1 C I N D 100p C184 n 0 1 4 1 1 L L1035 1 5n C121 DNI C188 ...

Page 68: ...l right reserved Only for training and service purposes LGE Internal Use Only Set the phoneTx is On and PDM is 210 CheckTP3 Over 21dBm RFTx Level is OK Yes No Change the board CheckTP2 PA_RO 2 6V Check MSM7225A Yes No CheckTP1 Over 10 dBm Check RTR6285A Yes No ...

Page 69: ...TROUBLE SHOOTING 69 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 5 5 Checking RF Rx Level Test Point RF Rx Level Bias TP5 TP2 TP3 TP1 ...

Page 70: ...RX_WCDMA_HB PDET_IN RX_WCDMA_900_P RX_WCDMA_900_M WCDMA_850_900_TX_OUT WCDMA_1900_2100_TX_OUT WCDMA_2100_RTX WCDMA_900_RTX PA_ON1 8dB Close to pin1 Band I Band VIII TP2 L1006 3 3n C118 100p 1 1 1 C n 2 1 R100 68n C1043 22u C1044 47p SW100 4 3 2 1 ANT COMMON G3 G4 1 2 0 1 C n 2 2 U101 24 17 18 19 13 12 6 5 3 1 2 16 20 5 1 4 1 4 22 11 10 9 8 7 23 21 TX_EN PGND1 GND GND2 GND3 RX1 RX2 VRAMP 5 D N G T ...

Page 71: ... R120 0 R121 DNI 9 1 1 R K 1 L120 33p C177 8 2n 6 7 1 C n 7 4 9 7 1 C p 7 2 p 7 2 1 7 1 C 9 6 1 C u 1 0 p 0 0 1 0 7 1 C L119 1 8n 2n L118 L123 1 8n DNI C173 VDD_RX 2140MHz FL101 5 2 4 3 1 IN OUT _OUT G1 G3 WB2100_MIX_INM WB2100_MIX_INP RX_WCDMA_1900_LNA_OUT RX_WCDMA_2100_LNA_OUT W2100 RX 2110 2170 MHz WCDMA RX 2100 LNA Circuit Bias TP5 ...

Page 72: ...et the phone Rx is On Check bias block soldering No Yes Change the board CheckTP1 Signal exist Check RF Switch M S No Yes CheckTP2 Signal exist CheckTX Module Refer 1 4 No Yes CheckTP3 Signal exist Check Duplexer No Yes CheckTP4 Signal exist DNI SKIP No Yes CheckTP5 Signal exist Check RTR6285 and Rx SAW filter No Yes Check BIAS over 2 1V ...

Page 73: ...73 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 6 Checking GSM Block Start 4 Ro download SW Cal 1 CheckTCXO Block 2 CheckTx Module 3 Check RFTRX Level ...

Page 75: ...right 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 6 1 CheckingTCXO Block Refer to 4 3 4 6 2 CheckingTx module Block Refer to 4 4 4 6 3 Checking RFTX level TP2 TP3 TP1 ...

Page 76: ... O1_2 O2_1 C_C5 O2_2 1 G _ C 2 G _ C 3 G _ C 4 G _ C FL1002 10 5 3 2 6 4 7 8 9 1 IN O1_1 O1_2 O2_1 GND O2_2 1 G _ C 2 G _ C 3 G _ C 4 G _ C L1012 9 1n 5 4 0 1 C p 0 0 1 p 0 0 1 7 4 0 1 C 8 4 0 1 C p 0 0 1 p 0 0 1 1 5 0 1 C C109 100p ANT100 1 C1091 56p 2 2K R107 C1092 22p 0 2 1 C p 0 0 1 ANT105 1 3 0 0 1 C I N D 5 1 1 C I N D 1 0 1 R I N D L102 100p 1 4 0 1 C n 8 1 39p C1024 0 3 1 2 1 1 R 47 R113 0...

Page 77: ...y CheckTCXO Block Refer to 1 3 CheckTP1 If GSM over 31 dBm If DCS PCS over 28 dBm GSM DCS PCSTx is OK Check other part Yes No Change the board CheckTP2 3 If GSM TP2 under 6 dBm If DCS PCS TP3 over 6 dBm CheckTx Module ASM EDGE PAM Refer to 4 4 Yes No Check RTR PAD Check soldering and components No Problem Still exist Problem START No ...

Page 79: ... 9 1 IN O1_1 O1_2 O2_1 C_C5 O2_2 1 G _ C 2 G _ C 3 G _ C 4 G _ C FL1002 10 5 3 2 6 4 7 8 9 1 IN O1_1 O1_2 O2_1 GND O2_2 1 G _ C 2 G _ C 3 G _ C 4 G _ C L1012 9 1n L1011 0 75p 2 5 0 1 C n 9 3 2 4 0 1 C n 9 3 C109 100p C1091 56p p 2 2 6 1 0 1 C L1010 DNI 0 75p L1014 C1092 22p 5 1 1 C I N D DNI C1013 L1008 DNI 1 4 0 1 C n 8 1 DNI L1003 3 2 0 1 C p 3 3 p 3 3 5 2 0 1 C 0 3 1 2 1 1 R 47 R113 0 3 1 4 1 1...

Page 80: ...Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Set the phone Rx is On Check RF Switch M S No Yes Change the board CheckTP1 Signal exist CheckTP2 Signal exist CheckTx Module Refer to 4 4 No Yes ...

Page 81: ...nc All right reserved Only for training and service purposes LGE Internal Use Only 4 7 GPS WIFI BT RF Component ANT103 FL103 U104 RF Component GPS Reference Description ANT103 ANTENNA PAD connected to Carrier type antenna FL103 GPS SAW FILTER U104 GPS LNA ...

Page 82: ...LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ANT901 FL900 U901 U900 Reference Description ANT901 ANTENNA PAD connected to Carrier type antenna U900 BT module U901 WiFi module FL900 FEM ...

Page 83: ...OUBLE SHOOTING 83 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 8 GPS WIFI BT SIGNAL PATH GPS Signal PATH main board bottom GPS Rx PATH ...

Page 84: ...4 TROUBLE SHOOTING 84 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only WiFi BT Signal PATH WiFi BTTx and Rx PATH BT_TRx WLAN_Rx WLAN_Tx ...

Page 85: ...C190 0 5p C232 1 5n 12 R127 4 2 1 L n 3 3 L128 4 7n U104 3 2 5 4 1 N I _ F R FIL_OUT VDD S_D GND 12 R125 DNI C191 L125 DNI C193 0 1u 18p C192 6 8p C204 FL103 1575 42 MHz 5 2 4 1 3 G3 IN OUT G1 G2 C202 0 5p DNI C203 VREG_RF_2 7V L130 100p L126 100n GPS_MODE GPS_IN Near To LNA LNA for the GPS TP1 TP2 4 9 GPS WIFI BT Trouble shooting 4 9 1 A GPS Block TP2 TP1 ...

Page 86: ...All right reserved Only for training and service purposes LGE Internal Use Only Set the phone GPS is ON CheckTP1 About 2 7V Check power LRC filter soldering No Yes Change the board CheckTP2 About 2 6V Check SW and NV item No Yes 4 9 2WLAN BT FM Block 1 3 2 3 ...

Page 87: ...BLE SHOOTING 87 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only START 1 Check the Power Component Change 2 Check the Clock 3 Check the Module ...

Page 88: ...2 4 10 9 8 6 5 1 3 WLAN_RX WLAN_TX BT_TRX GND1 GND2 GND3 GND4 TR_SW0 TR_SW1 TR_SW2 ANT CPL PGND C907 DNI L903 2 4n C911 10p C912 10p C913 10p C906 DNI 2 0 9 C p 0 0 1 C946 100p C915 1 8n ANT901 L905 DNI WLAN_RF_TX WLAN_RF_RX WLAN_PWR_DET_IN WLAN_SW_ 2 WLAN_SW_ 1 WLAN_SW_ 0 BT_RF_QCT BT_WLAN_RF BT_WLAN_RF BT WI FI FRONT END LOW HIGH SW0 SW1 SW2 LOW ANTENNA SWITCH MODULE LOGIC LOW HIGH HIGH LOW LOW ...

Page 89: ... _ M F K L C _ S Y S L _ O L _ M F R _ O L _ M F T U O _ M C P _ T B C N Y S _ M C P _ T B Q E R _ K L C _ T B E V I T C A _ T B S U T A T S _ T B M R I F N O C _ X T O I F R _ T B C927 p 0 1 SLEEP_CLK L _ M F R _ M F BT_PCM_CLK BT_PCM_CLK C N Y S _ M C P _ T B BT_PCM_SYNC BT_UART_CTS BT_UART_RTS FM_ANT BT_PCM_OUT BT_PCM_OUT N I _ M C P _ T B BT_PCM_IN BT_RST_N BT_UART_RX BT_UART_TX N C W _ K L C ...

Page 90: ... 57 69 68 59 50 83 65 44 61 73 72 60 34 52 86 47 37 32 24 70 10 1 7 3 79 49 62 76 54 67 81 66 51 78 74 35 4 2 8 38 36 5 48 46 31 VDD_CORE1 VDD_CORE2 VDD_CORE3 VDD_CORE_AON1 VDD_CORE_AON2 VDD_CORE_AON3 VDD_IO VDD_FEM VDD_SDIO VDD_RFA1 VDD_RFA2 VDD_PA VDD_TCXO VDD_RFA3 VDD_RFA4 VDD_RFA5 VDD_RFA6 VDD_RFA7 VDD_RFA8 VDD_RFA9 GND_A21 GND_D1 GND_D2 GND_D3 GND_D4 GND_A2 GND_D5 GND_D6 GND_D7 GND_D8 GND_A3 ...

Page 91: ...l Use Only Test point Description Test point Net name Description TP1 3V_WLAN_WCN Power for BT WiFi BB core and WiFi power Amp V Batt TP2 VREG_MSME_1 8V Power for BT power Amp 1 8V TP3 VREG_MSME_1 8V Power for host interface 1 8V START Check the power block No Yes Board Change Module Check Yes No TP1 2 3 is OK SDIO ok UART ok ...

Page 92: ...85V C453 VREG_MSMA1_2 6V C448 VREG_MSMA2_1 2V C444 VREG_ TCXO_2 85V C449 power ON Phone booting and PS_HOLD D401 go to High START Change or charging the Battery No Yes Redownload SW image Check correctly working power key No Yes Change the Main board No Yes Change the Main board No Yes Battery voltage higher than 3 70V OCV TP1 R810 high to low when key press Check below power output VREG_MSMC1_1 1...

Page 94: ...ight 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only TP1 VREG_MSMA2_1 2V VREG_MSMC1_1 1V VREG_MSMC2_1 1V PS_HOLD VREG_MSME_1 8V VREG_MSMA1_2 6V VREG_TCXO_2 85V VREG_P3_2 85V ...

Page 96: ...IC Check the battery FL401 5 6 3 1 4 2 P2 P4 P1 P3 6 P 5 P VBUS_CHG_IN C465 1u 22p C404 p 2 2 2 0 4 C FL400 1 IN OUT GND1 GND2 CN400 11 10 9 5 4 3 2 1 8 7 6 VA400 ZD400 USB_ID MINIABB_DP MINIABB_DM 2mm VBUS 2mm u USB Connector TA 5 1V 700mA 6 0 4 C u 1 VREG_MSME_1 8V C401 1u TP400 1u C407 u 1 0 0 4 C 1 0 4 R K 7 4 3 0 4 R K 0 1 U400 C5 D2 B5 D3 D1 E1 E2 E3 E5 E4 A1 C1 B1 A4 A5 A3 A2 D5 4 D 4 C 3 C...

Page 97: ... the pin and battery connect terminals of I O connector Connection OK No Yes Is the u USB Cable voltage 4 8V for 5 0V No Yes Is it changing properly After turning on START Check MiniABB U400 SMT status by X ray Exchange MiniABB or change the Main board and reset Change I O connector ChangeTA or u USB cable END Yes No ChargerTroubleshoot Flow ...

Page 99: ...oting 3M camera control signals are generated by MSM7225A Check the camera Conn and reconnect the camera Camera is OK No Change the Main board END Yes START Yes Camera is OK No No Yes Change the camera Yes END Change the EMI Filter FL505 No No Yes MSM 7227 output signal check MCLK TP1 Reset TP2 PWDN TP3 Check IOVDD TP4 DVDD TP5 AVDD TP6 Check the EMI Filter FL505 ...

Page 100: ...2C_SCL eMMC_DATA 7 eMMC_DATA 6 eMMC_DATA 5 PA_ON1 MOTION_INT2 MSM7225A TP1 4 0 5 A V 1 0 5 A V C512 2 2u 4 7u C513 CN501 13 12 14 11 15 10 16 9 17 8 18 7 19 6 20 5 21 4 22 3 23 2 24 1 6 0 5 R K 2 2 7 0 5 R K 2 2 CAM_IOVDD_1 8V CAM_IOVDD_1 8V C511 2 2u FL505 0 1 9 8 4 7 3 6 2 5 1 P1 P5 P2 P6 P3 P7 P4 P8 1 G 2 G 3 0 5 A V 2 0 5 A V CAM_AVDD_2 8V CAM_DVDD_1 2V CAM_MCLK CAM_RESET_N CAM_I2C_SDA CAM_I2C...

Page 102: ... LCD control signals are generated by MSM7225A Those signal s path are MSM7225A LCD Module Press Power key to tun the power On Is the circuit powered Yes Follow the Power ON trouble shooting No LCD display OK START No Yes Change the LCD Module Disconnect and reconnect LCD connector Yes END Change the Main board No Check Power VREG_MSME_1 8V TP1 VREG_LCD_2 8V TP2 ...

Page 104: ...ity Sensor is worked as below Call connected Object moved at the sensor Control the screen s on off operation automatically Measurement VREG_MSME_1 8V VREG_PROX_2 6V PROX_OUT PROX_I2C_SCL SDA Call Connect Object moved at the Proximity Sensor LCD off No No Yes Work well START END Change the Proximity Sensor U602 No Yes Chang the main board Yes Check PROX_I2C_SDA SCL Output Prox_out TP1 2 3 ...

Page 105: ...ning and service purposes LGE Internal Use Only 8 0 6 R K 7 4 R610 3 3 9 0 6 R K 7 4 C606 U602 5 4 6 3 7 2 8 1 LEDA SCL LEDC SDA VCC VIO VOUT GND 7 0 6 R 0 1 C607 4 7u C604 10u C605 1u VREG_MSME_1 8V VREG_PROX_2 8V PROX_OUT PROX_I2C_SCL PROX_I2C_SDA Proximity sensor TP2 TP1 TP3 TP2 TP1 TP3 ...

Page 106: ...s below Accelerometer Sensor function On Tilt the phone 90 The screen is had rotated automatic Measurement VREG_MSME_1 8V MOTION_INT MOTION_I2C_SDA SCL Tilt the phone No No Yes START END No Yes Accelerometer Sensor function On Yes No Yes The Screen is rotated Check Motion_I2C_SDA SCL output Check Motion_INT output Work well Change the Motion Sensor U600 Change the Motion Sensor U600 Change the Mai...

Page 107: ...ly C601 0 1u C602 0 1u 3 1 6 R K 7 4 U600 2 5 4 1 1 3 1 10 11 6 3 9 8 2 1 4 6 1 5 1 7 1 D N G K C S 1 T N I 3 T N I 3 D N G 2 D N G DRDY PS2 2 B S C SDI SDO D D V INT2 O I D D V 1 B S C PS1 4 1 6 R K 7 4 VREG_MSME_1 8V VREG_MSME_1 8V MOTION_INT MOTION_I2C_SCL MOTION_I2C_SDA COMPASS_DRDY MOTION_INT2 COMPASS_INT TP2 TP1 TP3 TP1 TP2 TP3 ...

Page 108: ...ass Sensor is worked as below Compass Sensor function On Measurement VREG_MSME_1 8V MOTION_I2C_SCL SDA Chang the position of the phone The direction is correct No No Yes Work well START END No Yes Compass Sensor function On Yes Check Motion_I2C_SDA SCL output TP2 TP3 Check COMPASS_DRDY output TP1 Change the Motion Sensor U600 Change the Motion Sensor U600 Change the Main board No Yes ...

Page 109: ...ly COMPASS_DRDY C601 0 1u C602 0 1u 3 1 6 R K 7 4 U600 2 5 4 1 1 3 1 10 11 6 3 9 8 2 1 4 6 1 5 1 7 1 D N G K C S 1 T N I 3 T N I 3 D N G 2 D N G DRDY PS2 2 B S C SDI SDO D D V INT2 O I D D V 1 B S C PS1 4 1 6 R K 7 4 VREG_MSME_1 8V VREG_MSME_1 8V MOTION_INT MOTION_I2C_SCL MOTION_I2C_SDA COMPASS_DRDY MOTION_INT2 COMPASS_INT TP2 TP1 TP3 ...

Page 111: ...oses LGE Internal Use Only 4 17 DC Motor Trouble Shooting Vibrator is worked as below Measurement VBAT VIB_DRV_N TP1 is same voltage asVBAT No Yes Change Motor working well START END Change Main board No Yes Vibrator is not working well Yes Votage is almost 3V Between TP1 andTP2 No Change PMIC Change Main board ...

Page 112: ...SHOOTING 112 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only D700 VBAT VA701 VA700 82n L700 VB700 2 1 L701 82n VIB_DRV_N VIBRATOR TP1 TP2 TP1 TP2 ...

Page 113: ...ubsystem FB705 FB706 TP2 CN700 TP1 Antenna SPK pad Yes No START END Yes No Connect the phone to network equipment and set up call Set up 1KHz tone out No Yes Re contact or Change the SPK RCV module No Change the SPK RCV module Change the M700 Audio Subsystem Yes Change the U200 MSM7225A or Change the main PCB Can you hear the 1KHzTONE The sine wave appears at CN700 TP1 The sine wave appears at FB7...

Page 114: ...3 E1 A3 D1 A1 C3 B1 E4 E3 C4 4 D 2 D D D V P H D D V P S IN3 OUT OUT HPL IN3 HPR CP IN1 CN IN1 IN2 IN2 SDA SCL S A I B D D V P C S S V P C D N G VREG_MSME_1 8V 2 2u C725 C715 2 2u 600 FB700 VREG_MSME_1 8V C707 1n VBAT FB701 600 C708 1n 7 0 7 R K 7 4 8 0 7 R K 7 4 C735 DNI C736 DNI C714 2 2u FB705 FB706 C703 0 1u C701 0 1u 2 2u C723 2 2u C724 C719 2 2u LINE_OP FM_L FM_R HPH_R HPH_L RCV_P RCV_N AUDI...

Page 115: ...5D3 Audio Subsystem R710 R711 FB702 FB703 TP1 CN701 3 5pi Ear jack Yes No START END Connect the phone to network equipment and set up call Set up 1KHz tone out No Yes Re Solder Change CN701 or change the main PCB No Change the M700 Audio Subsystem Yes Change the U200 MSM7225A or Change the main PCB Can you hear the 1KHzTONE The sine wave appears at FB702 FB703 TP1 The sine wave appears at C714 C71...

Page 116: ...A4 B3 E1 A3 D1 A1 C3 B1 E4 E3 C4 4 D 2 D D D V P H D D V P S IN3 OUT OUT HPL IN3 HPR CP IN1 CN IN1 IN2 IN2 SDA SCL S A I B D D V P C S S V P C D N G VREG_MSME_1 8V 2 2u C725 C715 2 2u 600 FB700 VREG_MSME_1 8V C707 1n VBAT FB701 600 C708 1n 7 0 7 R K 7 4 8 0 7 R K 7 4 C735 DNI C736 DNI C714 2 2u FB705 FB706 C703 0 1u C701 0 1u 2 2u C723 2 2u C724 C719 2 2u LINE_OP FM_L FM_R HPH_R HPH_L RCV_P RCV_N ...

Page 117: ...FB705 FB706 TP2 CN700 TP1 Antenna SPK pad Yes No START END Yes No Connect the phone to network equipment and set up call Set up 1KHz tone out No Yes Re contact or Change the SPK RCV module No Change the SPK RCV module Change the M700 Audio Subsystem Yes Change the U200 MSM7225A or Change the main PCB Can you hear the 1KHzTONE The Sine wave appears at CN700 TP1 The Sine wave appears at FB705 FB706 ...

Page 118: ...3 E1 A3 D1 A1 C3 B1 E4 E3 C4 4 D 2 D D D V P H D D V P S IN3 OUT OUT HPL IN3 HPR CP IN1 CN IN1 IN2 IN2 SDA SCL S A I B D D V P C S S V P C D N G VREG_MSME_1 8V 2 2u C725 C715 2 2u 600 FB700 VREG_MSME_1 8V C707 1n VBAT FB701 600 C708 1n 7 0 7 R K 7 4 8 0 7 R K 7 4 C735 DNI C736 DNI C714 2 2u FB705 FB706 C703 0 1u C701 0 1u 2 2u C723 2 2u C724 C719 2 2u LINE_OP FM_L FM_R HPH_R HPH_L RCV_P RCV_N AUDI...

Page 119: ... Signal MIC700 R704 R705 TP2 C215 TP3 MIC1P of MSM7225A MIC Bias MIC_BIAS C229 TP1 MIC700 No START Change the main PCB Make a call Yes No Make some sound or voice to MIC Yes C229 TP1 is about 1 8V Some sound signal appears at R704 R705 TP2 Some sound signal appears at C215 TP3 Yes WorkWell END Yes Change the MIC No Change the U200 MSM7225A or Change the Main PCB ...

Page 120: ... C I M N O _ 1 R A E P O _ 1 R A E N O _ E N I L P O _ E N I L T U O _ X U A P M O C C S A I B _ C I M C229 22u C228 0 1u C227 47p S A I B _ C I M 2 0 2 R K 2 2 9 0 2 C u 1 0 ZD200 C216 0 1u C226 33p 8 0 2 C u 1 0 5 1 2 C u 1 0 4 1 2 C u 1 0 P O _ E N I L P _ V C R N _ V C R C I M _ S H P 1 _ C I M N O _ E N I L N 1 _ C I M TP3 TP1 C717 0 1u C711 0 1u R704 100 100 R705 MIC_1P MIC_1N TP2 R703 R705 ...

Page 121: ...SME_1 8V R713 TP1 DET R715 DET_IN Headset MIC HS Detect IC Bias VREG_P3_2 85V C728 TP2 No START Make a call Yes No Make a some sound or voice to MIC Yes R713 TP1 is about 1 8V Some sound signal appears at R714 TP4 Some sound signal appears at C209 TP3 Yes WorkWell END Yes No Change the U200 MSM7225A or Change the Main PCB C728 TP2 is about 2 85V Change the U700 MAX14579E or Change the Main PCB Cha...

Page 122: ...C227 47p S A I B _ C I M 2 0 2 R K 2 2 9 0 2 C u 1 0 ZD200 C216 0 1u C226 33p 8 0 2 C u 1 0 5 1 2 C u 1 0 4 1 2 C u 1 0 P O _ E N I L P _ V C R N _ V C R C I M _ S H P 1 _ C I M N O _ E N I L N 1 _ C I M TP3 TP1 VREG_MSME_1 8V 3 1 7 R M 1 R714 2 2K C728 1u 2 1 7 R M 1 U700 EAN62065901 MAX14579E 9 6 5 3 4 8 2 7 1 RES DET_IN MODE MIC DET SWD CAP C C V D N G P C734 220n R715 10K VREG_P3_2 85V EAR_SEN...

Page 123: ...ining and service purposes LGE Internal Use Only 5 DOWNLOAD TOOL INFORMATION TOOLVERSION DLL NAME USB DRIVER LGFLASHTool1350 LGFLASHTool1350 LGE400_ 120221_Download LGUnitedMobileDriver_ S4981CA22_ML_WHQL_Ver_2 2 1 H W Name Part No D L Cable Micro 5P USB DLC 56 130 910K BJAY0023973 ...

Page 125: ...ight 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only snm XUZU UYX tz tz snm XUZU UYX sntz YWXYWYW_ k E400 LGFLASHTool1350 LGE400_120221_Download LGFLASHTool1350 E400 ...

Page 136: ...raining and service purposes LGE Internal Use Only tz snm XUZU UYX sntz YWXYWYW_ k tz tz snm XUZU UYX sntz YWXYWYW_ k sntz YWXYWYW_U sntz YWXYWYW_ LGE400 LGFLASHTool1350 LGE400_120221_Download LGE400 LGE400 LGE400_120221 LGFLASHTool1350 LGE400_120221_Download LGE400_20120221 dll ...

Page 143: ...DDR1 3Gb eMMC 2GB EBI1 DDR MIPI I F GPS MSM7225A SDC3 eMMC CAM 3M FF MCP Micron MIC MIC TCXO 19 2M TCXO_RTR_19 2MHz TCXO PM 19 2MH CAM_I2C CAM 3M FF MOTION Sensor LINE_ON OP EAR1 OP ON HPH_L R LINE_OP LINE_ON HPH_R HPH_L SPK_RCVP N Speaker 3 5 pi EAR_L R Audio Sub TPA2055D3 GPIO_27 AUDIO_I2C TCXO_19 2M Kyocera RTR_TRK_LO_ADJ TCXO_PM_19 2MHz Proximity Sensor GP2AP002s00F PROX_I2C PROX_INT RCV_P RCV...

Page 144: ...REG_S4 GPS LNA 4Gb RAM WCDMA GSM PAM VBAT VBUS PM8029 VBAT VREG_MSME_1 8V VRG_L18 VREG_RF_2 7V VREG_P3_2 85V VREG_L12 _ MINI ABB LP8727 B Battery 1500mAh WCN1314 WiFi 1V3_MSM_A3_WCN VREG_L19 3V_WLAN_WCN VREG_L17 1V8_WLAN_TCXO VREG_L11 1V2_WLAN_WCN VREG_L6 1V3_MSM_A3_WCN VREG_L5 VCOIN VBAT Micro SD VREG_SDCARD_2 85V VREG_L13 KEY LED BACKLIGHT_KEY MPP3 USIM VREG_L16 VREG_USIM1_2 85V VIB_DRV_N VIB_DR...

Page 145: ...L HPH_R GPIO119 GPIO120 IN3 IN3 SCL SDA IN1 IN1 EAR1_ON EAR1_OP RCV_N RCV _P LINE_OP LINE_ON SPK_RCV_P SPK_RCV_N AUDIO_I2C_SDA AUDIO_I2C_SCL HPR HPL OUT OUT MIC_BIAS MIC_1P MIC_1N MIC EAR_R EAR_L WCN 2243 FM_LO_R FM_LO_L FM_L FM_R EAR_R EAR_L HS_MIC FM_HRX_IN HPH_L HPH_R EAR_SENSE_3 5PI DET_IN DET SWD MODE HS_MIC GPIO41 GPIO28 EAR SENSE 3 5PI_KEY_POLE_DET GPIO127 MIC MODE FM_ANT FM_ANT LGE400 Audi...

Page 146: ...TA 3 0 MICRO_SD_CMD MICRO_SD_CLK MICROSD DET GPIO_56 GPIO_55 _ 060 A1 13 0 D1 31 0 SDRAM_CLK SDRAM CKE 1 0 EBI1_ADR 13 0 EBI1_DQ 31 0 EBI1_DCLK EBI1 CKE0 nMICROSD_DET GPIO_40 SDRAM_CKE 1 0 SDRAM_CS 1 0 SDRAM_RAS SDRAM_CAS SDRAM_WE SDRAM_DQM 3 0 DDR 3Gb SDRAM_DQS 3 0 EBI1_CKE0 EBI1_CS0_N EBI1_RAS_N EBI1_CAS_N EBI1_WE_N EBI1_DM_ 3 0 EBI1 DQS 3 0 EBI1_DQS_ 3 0 SDRAM_BA 1 0 SDRAM_CLK EBI1_DCLKB EBI1_B...

Page 147: ...ra SoC SoC LCD CAM_MCLK CAM_PCLK CAM_HSYNC CAM_VSYNC EBI2_DATA 0 15 MSM7225A MSM7225A LCD_IFMODE LCD_RESET_N _ CAM_RESET_N CAM_SCL CAM_SDA LCD_VSYNC LEDA_C LCD_PWM TOUCH_I2C_INT LCD BOOSTER LCD BOOSTER LCD_BL_EN LCD BL SCL TOUCH_I2C_SCL TOUCH_I2C_SDA TOUCH TOUCH PANNEL PANNEL LCD_BL_SCL LCD_BL_SDA 9 78 7UaYfU 6 cW_ 8 U fUa LGE400 LCD Camera Block Diagram ...

Page 149: ... B3 8 8 8 4 0 9 0 3 1B7 3 2B 1 B5B 3 1 B B 3 6 2B 7 5 B5 0B 2B5 7B5 2 0 2 3 3 4 5 1B5 7B75 5 3 2B 3 2B B B 0B5 6B 17 7B8 57B7 3 4 5 5 6 35 59 5 6 35 39 DU 3 2B 3 2B 3 2B 7B8 57B5 0B 5 B 1 7B8 57B 76 7B8 57B576 5 6 35 39 5 6 35 54 5 6 35 354 5 9 0 U DFN 3 2B 3 2B 3 2 6 6B567B1 7B3 0B287 5 3 4 5 5 1 5 1 065 3 2B 3 2B 3 2B 7B3 0B 1 6 3B 7B3 0B6 1 7B3 0B 5 1 4 5 1 9 6H K 5B A 6 cW_ 8 U fUa LGE400 BT W...

Page 150: ...5 1 C u 1 0 7 5 1 C u 1 0 8 5 1 C u 1 0 3 3 1 C u 1 0 9 5 1 C u 1 0 1n C113 9 2 1 C u 1 0 8 2 1 C u 1 0 C168 0 1u 7 2 1 C u 1 0 U100 3 1 N 0 1 K 9 K 8 K 7 K 6 K 5 K 4 K 0 1 J 9 J 8 J 7 J 6 J 5 J 4 J 0 1 H 9 H 8 H 7 H 6 H 5 H 4 H 0 1 G 9 G 8 G 7 G 6 G 5 G 4 G 0 1 F 9 F 8 F 7 F 6 F 5 F 4 F 0 1 E 9 E 8 E 7 E 6 E 5 E 4 E 0 1 D 9 D 8 D 7 D 6 D 5 D 4 D N7 4 N 1 N 2 1 M 1 1 M 0 1 M M9 4 M 2 1 K 2 1 H 2 1...

Page 151: ...L P I _ L _ E N I L N I _ R _ E N I L P I _ R _ E N I L F E R V _ H P H L _ H P H R _ H P H N I X U A P I X U A N 1 C I M P 1 C I M N 2 C I M P 2 C I M N O _ 1 R A E P O _ 1 R A E N O _ E N I L P O _ E N I L T U O _ X U A P M O C C S A I B _ C I M N _ N I S E R N _ T U O S E R K L C _ P L S K L C S Y S _ Y H P B S U D V S R O X C T L A C _ I P I M O D L _ I P I M P _ K L C _ I S D _ I P I M N _ K ...

Page 152: ...D V 2 4 _ 1 C _ D D V 3 4 _ 1 C _ D D V 4 4 _ 1 C _ D D V 5 4 _ 1 C _ D D V 6 4 _ 1 C _ D D V 7 4 _ 1 C _ D D V 8 4 _ 1 C _ D D V 9 4 _ 1 C _ D D V 0 5 _ 1 C _ D D V 1 5 _ 1 C _ D D V 2 5 _ 1 C _ D D V 3 5 _ 1 C _ D D V 4 5 _ 1 C _ D D V 5 5 _ 1 C _ D D V 6 5 _ 1 C _ D D V 7 5 _ 1 C _ D D V 8 5 _ 1 C _ D D V 9 5 _ 1 C _ D D V 0 6 _ 1 C _ D D V 1 6 _ 1 C _ D D V 2 6 _ 1 C _ D D V 3 6 _ 1 C _ D D V ...

Page 153: ...P HPA_IN_RM HPA_GNDREF SPKR_IN_M SPKR_IN_P HPA_CM_SNS HPA_OUT_L HPA_OUT_R SPKR_BYP_M SPKR_BYP_P SPKR_OUT_M SPKR_OUT_P VSW_S1_1 VSW_S1_2 VREG_S1 VSW_S2_1 VSW_S2_2 VREG_S2 VSW_S3_1 VSW_S3_2 VREG_S3 VSW_S4 VREG_S4 VREG_L1 VREG_L2 VREG_L3 VREG_L4 VREG_L5 VREG_L6 VREG_L7 VREG_L8 VREG_L9 VREG_L10 VREG_L11 VREG_L12 VREG_L13 VREG_L14 VREG_L15 VREG_L16 VREG_L17 VREG_L18 VREG_L19 NCP_CTC1 NCP_CTC2 VREG_NCP ...

Page 154: ...UT_B3 INOUT_A4 INOUT_B4 1 G 2 G 15pF FL501 0 1 5 6 4 7 3 8 2 9 1 INOUT_A1 INOUT_B1 INOUT_A2 INOUT_B2 INOUT_A3 INOUT_B3 INOUT_A4 INOUT_B4 1 G 2 G CAM_AVDD_2 8V CAM_DVDD_1 2V TP500 VREG_MSME_1 8V C504 2 2u CAM_AVDD_2 8V 2 0 5 C u 1 C514 470n FL502 15pF 0 1 5 6 4 7 3 8 2 9 1 INOUT_A1 INOUT_B1 INOUT_A2 INOUT_B2 INOUT_A3 INOUT_B3 INOUT_A4 INOUT_B4 1 G 2 G VREG_MSME_1 8V VBAT R503 100 C501 1u CN500 21 2...

Page 155: ...ND U600 2 5 4 1 1 3 1 10 11 6 3 9 8 2 1 4 6 1 5 1 7 1 D N G K C S 1 T N I 3 T N I 3 D N G 2 D N G DRDY PS2 2 B S C SDI SDO D D V INT2 O I D D V 1 B S C PS1 3 0 6 R K 7 4 4 1 6 R K 7 4 VREG_MSME_1 8V LD601 LD600 4 0 6 R K 7 4 VREG_MSME_1 8V VREG_MSME_1 8V 7 0 6 R 0 1 C607 4 7u C604 10u C605 1u VREG_MSME_1 8V VREG_PROX_2 8V MOTION_INT PROX_OUT TOUCH_I2C_SDA TOUCH_INT TOUCH_I2C_SCL BACKLIGHT_KEY MOTI...

Page 156: ... U700 EAN62065901 MAX14579E 9 6 5 3 4 8 2 7 1 RES DET_IN MODE MIC DET SWD CAP C C V D N G P C708 1n FB702 1000 FB703 1000 7 0 7 R K 7 4 C713 39pF 8 0 7 R K 7 4 C717 0 1u R711 1 C734 220n R715 10K VREG_P3_2 85V 8 0 7 A V C735 DNI C736 DNI C714 2 2u FB705 FB706 FB708 600 FB707 600 C711 0 1u ZD700 3 0 7 A V C703 0 1u C701 0 1u 2 0 7 A V 1 2 7 C p 9 3 R704 100 R700 1K 2 2K R701 K 2 2 6 0 7 R 100 R705 ...

Page 157: ...0 8 A V CN800 14 13 12 11 10 8 7 6 5 4 3 2 1 9 SW1 SW2 3 0 8 A V R F 0 5 0 8 1 5 0 L V C I K 6 5 1 0 8 R R813 470 K 6 5 3 0 8 R KB800 7 0 8 A V 5 0 8 A V R F 0 5 0 8 1 5 0 L V C I C802 22p 33p C804 DNI C800 C805 1u VA814 VREG_USIM1_2 85V VA810 R808 10 VA811 R814 470 CN802 3 2 1 VA812 J800 C11 C10 C12 C9 C7 C3 C6 C2 C5 C1 VCC GND1 RST VPP CLK IO GND2 GND5 GND3 GND4 C803 0 1u 8 0 8 A V 9 0 8 A V SIM...

Page 158: ...M R I F N O C _ X T O I F R _ T B 0 R1 U901 EAN62416201 WCN1314 0 87WLNSP TR 0D 63 33 53 56 45 71 84 75 82 28 13 16 6 15 14 23 11 21 12 17 22 87 80 41 29 20 39 19 26 25 9 27 18 SLEEP_CLK GND_D1 DNC1 GND_D2 GND_D3 WLAN_RST_N WLAN_ACTIVE BT_PRIORITY BT_ACTIVE TCXO_IN RF_RX PDET_IN PA_EN WLAN_CLK_REQ TR_SW_EN_0 TR_SW_EN_1 TR_SW_EN_2 SDIO_CMD SDIO_CLK SDIO_DATA3 SDIO_DATA2 SDIO_DATA1 SDIO_DATA0 DNC2 P...

Page 159: ...Pin Map 159 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only G snlG p G G v G G U301 Memory MCP Top View 8 BGA PIN MAP U301 Memory MCP Top View ...

Page 160: ...in Map 160 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only G snlG p G G v G U200 MSM7225A Bottom View U200 MSM7225A Bottom View USE Not In Use ...

Page 161: ...8 BGA Pin Map 161 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only U402 PM8029 Bottom View U402 PM8029 Bottom View USE Not In Use ...

Page 162: ...8 BGA Pin Map 162 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only U100 RTR6285A Top View U100 RTR6285A Top View USE Not In Use ...

Page 163: ...8 BGA Pin Map 163 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only U900 WCN2243 BT FM Top View U900 WCN2243 BT FM Top View ...

Page 164: ...8 BGA Pin Map 164 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only G U901 WCN1314 WiFi Top View U901 WCN1314 WiFi Top View USE Not In Use ...

Page 165: ...YOUT VA600 KB800 VA707 5 0 7 A V LD601 R612 2 0 6 U LD600 R611 VA706 C733 FB703 R711 FB704 FB702 ZD200 C732 C730 9 2 7 C R710 3 0 0 1 C L702 VA708 C731 6 2 7 C 4 0 7 A V 7 2 7 C 4 0 6 A V R604 VA603 R603 VA602 R602 VA601 9 PCB LAYOUT LG E400_MAIN_EAX64669801_1 0_TOP U602 Proximity Sensor Touch working when talking close to face ...

Page 166: ... L C166 2 5 1 C C173 1 0 1 L F 6 7 1 C 1 1 8 A V 4 0 4 C 3 1 8 R 1 0 4 L F 4 1 8 R 0 1 8 A V 7 4 3 C 5 5 3 C 6 3 1 C C155 0 1 0 1 L C139 5 0 1 T N A C911 C908 C912 3 0 9 L R905 C909 C930 1 R C929 2 R C928 C214 C208 C210 C209 C215 C216 R221 C363 C213 C211 C212 9 4 3 C 5 4 3 C R313 R312 1 0 3 U C306 R308 C308 2 2 1 R 3 2 1 C 5 2 1 C 4 2 1 C 2 0 1 R 7 0 0 1 L C126 5 0 0 1 L L113 3 1 0 1 C L110 R119 9...

Page 167: ... CAL INFORMATION S WVERSION Tachyon36 LGE400_20120213_Calibration H W Name Part No PIF PIF200 AllType BJAY0024021 USB Cable USB Cable RAD32247898 Power Cable DC Power Cable RAD32247878 I O Cable 5P E SATA BJAY0024049 RF Cable_Main MS156 BJAY0024004 Power Supply_PIF Power Supply 5 3V Power Supply_Phone Power Supply 5 0V RFTest Equipment E5515C 8960 ...

Page 168: ...10 Calibration 168 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only tz Z sntz YWXYWYXZ j E400 Tachyon36 LGE400_20120213_Calibration ...

Page 172: ...0 Calibration 172 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only tz tz tz tz tz tz tz E400 E400 E400 E400 E400 LGE400 LGE400 LGE400 E400 ...

Page 175: ...ration 175 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ymG GymT WW OwVu aGiqh WWYZ ZYP ymG GymT WW 䔤㫸 Ẅ㷨㥉 UW W UW MS156 BJAY0024004 MS156 ...

Page 184: ...10 Calibration 184 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only tz tz tz tz tz tz tz tz E400 E400 E400 E400 E400 E400 ...

Page 187: ... reserved Only for training and service purposes LGE Internal Use Only 11 HIDDEN MENU Hidden Menu Start Start shortcut keys 3845 400 Hidden Menu Start the desired menu Menu click Version Info Classified Information representation Hidden Menu Settings Version Info ...

Page 188: ...purposes LGE Internal Use Only Factory Reset Format SD Card SD Card Data reset Factory Reset Reset as default Factory Settings Delete Userdata Disabled Hidden menu WCDMA Only Factory Reset AAT DeviceTest Allauto Test You can test all functions automatically Auto AllTest Result You can check Test Results ...

Page 189: ...tems USIM Card connecting is PASS SD Card connecting is PASS Ear Phone No connecting is PASS Charging Mode connecting is PASS 2D LCD DisplayTest Check Black White Color Key PressTest Check below Items Up Down key Hard Key Power key Hard Key Menu key Touch Key Home key Hard Key Back key Touch Key Compass Sensor Check North Proximity Sensor Bilnd the Proximity sensor ...

Page 190: ...190 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Touch DrawingTest Draw a guide line SoundTest Touch the Play icon VibratorTest Touch the Start icon ...

Page 191: ...ht reserved Only for training and service purposes LGE Internal Use Only CameraTest Snapshot Touch screen to capture CameraTest Camcoding Camera is recoding for 5 seconds Motion SensorTest Check 3 positions Position horizontally Position Vertically Position side ...

Page 192: ... purposes LGE Internal Use Only GPS BT WifiTest GPS RF test CNO is some value OK Bluetooth Scanning is PASS OK WiFi Scanning is PASS OK Sound LoopbackTest Look Back On is test mode on Look Back OFF is test mode off FM RadioTest 87 5 Mhz is scanned automatically Connect ear jack Touch FM Radio Off icon ...

Page 193: ...al Use Only 12 disassemble Guide 1 Disassemble Battery Cover Take apart the battery cover using notches below 2 Disassemble Battery Screw Screw rear Silver Take apart the battery and remove screw 6points 3 Disassemble Rear Cover Hook off the bottom of Front cover Take apart the Rear cover out of Front cover starting from bottom ...

Page 194: ...urposes LGE Internal Use Only 4 Disassemble Main PCB Take the FPCB out of main PCB Widen the gap between Front cover and main PCB and hook off Hook off the left side for disassembling Main PCB 5 Disassemble Side volume key Contact Dome Pull Side key to the right side Detach the contact dome out of Front cover ...

Page 195: ...purposes LGE Internal Use Only 6 Disassemble LCD Hold the touch window and Push the left side of front cover Back view Take apart the LCD out of Front cover Tip Easy to take apart the LCD module from top side 7 Disassemble Shield Can Speaker module Hook off the notches below 2points and pull on the other side ...

Page 196: ...emble Guide 196 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Hook off the notches below 3points and detach the speaker module out of main PCB ...

Page 198: ... EAC00 Contact Assembly LCD Module Touch Window Assembly Button Side Cover Assembly Front Contact Assembly Side Button Button Tape Window Tape Window Cap Cap Button Side Tape Tape Protect Gasket Sheet Tape Damper LCD Cover Assembly Rear PIFA Antenna Multiple PCB Assembly Main Speaker Module Can Shield Dome Assembly Metal Camera Module Microphone Condenser Motor DC Screw Machine Cover Assembly Batt...

Page 199: ...BK Black 4 MBG00 Button Side MBG64527701 MOLD PC LGE400 ABUOWH WH WHITE WHITE 4 MEZ000000 Label MLAZ0038303 COMPLEX LG LC3200 WA White PRINTING PPRI PRINTING 4 ACQ00 Cover Assembly Front ACQ85906701 LGE400 ABUOWH BS Bright Silver 5 ACFA00 Contact Assembly Side Button ACFA0000301 i Common ZZZBK ZZ Without Color 1Button Type 5 MBG01 Button MBG64527901 MOLD ACRYL LGE400 AITABK BK BLACK BLACK Home But...

Page 200: ...GE400 ABUOWH TN TITAN TITAN Power Button 4 MJN01 Tape MJN68077501 COMPLEX LGE400 ADEUSK ZZ Without Color 4 MJN02 Tape Protect MJN68082301 COMPLEX LGE400 ADEUSK ZZ Without Color 4 MDS00 Gasket MDS63919401 COMPLEX LGE400 ABUOWH GG Gold Gray E400_GASKET_LCD 4 MHK00 Sheet MHK63734801 COMPLEX LGE400 AITABK ZZ Without Color 4 MJN03 Tape MJN68096401 COMPLEX LGE400 ADEUSK ZZ Without Color 4 MCQ00 Damper L...

Page 201: ...ly Metal ADB73818401 LGE400 ADEUSK ZZ Without Color 6 ANT100 ANT105 Contact MCIZ0008401 COMPLEX LG C900 ATTDW ZZ Without Color PRESS BeCu 3 0 1 2 1 5 5 MEZ000000 Label MLAZ0038301 COMPLEX LG VX6000 ZZ Without Color PID Label 4 Array PRINTING 3 GMZZ00 Screw Machine GMZZ0017701 GMZZ0017701 BH 1 4mM 3mM MSWR NI PLT N ASIA BOLT 1 AGF000000 Package Assembly AGF76460301 LGE400 AITABK ZZ Without Color LG...

Page 202: ... Body 800EA 1200 800 3 MCQ000000 Damper MCQ66486907 COMPLEX LGE730 ANLDKT ZZ Without Color S6T STD Dead Space Sleeve 800EA 1200 800 3 MGA000000 Pallet MPCY0012403 COMPLEX KG800 FRABK DB DARK BLUE 1 AAD000000 Addition Assembly AAD86070101 LGE400 AITAWH WH WHITE WHITE 2 ACQ02 Cover Assembly Battery ACQ85921901 LGE400 ABUOWH WH WHITE WHITE 3 MCK004100 Cover Battery MCK67054301 MOLD PC LGE400 ABUOWH W...

Page 203: ...embly Main EBR75147501 LGE400 AITABK 1 0 Main 13 2 ReplacementParts Main component 4 EBR071500 PCB Assembly Main Insert EBR75266601 LGE400 AITABK 1 0 Main 5 EAB00 Speaker Module EAB62672101 18108 8T 28MP Nd Fe B 700mW 8OHM 90DB 700HZ 55 6 20 59 4 45 1810 3t SPK ANT SUB enclosure spring SPRING KIRYN TELECOM CO LTD 5 EBP00 Camera Module EBP61581801 CW3033 A99CC CW3033 A99CC 3M FF Hynix 1 5 FPC 90deg...

Page 204: ...5X0 5MM R TP PILKOR ELECTRONICS LTD 6 C1021 Inductor Multilayer Chip ELCH0003832 LQG15HS2N2S02D 2 2NH 0 3NH 300mA 0 12OHM 6GHZ 8 SHIELD NONE 1 0X0 5X0 5MM Multilayer Chip R TP MURATA MANUFACTURING CO LTD 6 L128 Inductor Multilayer Chip ELCH0001406 LL1005 FHL4N7S 4 7NH 0 3NH 300mA 0 2OHM 7GHZ 9 SHIELD NONE 1 0X0 5X0 5MM R TP TOKO INC 6 L121 Inductor Multilayer Chip ELCH0003820 LQG15HS3N0S02D 3NH 0 ...

Page 205: ... C327 C328 C329 C330 C331 C332 C333 C334 C335 C336 C337 C338 C339 C340 C341 C343 C344 C345 Capacitor Ceramic Chip ECZH0001217 GRM155R60J474K 470nF 10 6 3V X5R 25TO 70C 1005 BK DUP MURATA MANUFACTURING CO LTD C346 C347 C348 C349 C350 C351 C352 C353 C354 C355 C356 6 C357 C358 C359 C360 C361 C362 C363 C364 C365 C366 C514 Capacitor Ceramic Chip ECZH0001217 GRM155R60J474K 470nF 10 6 3V X5R 25TO 70C 100...

Page 206: ...O LTD C725 C935 C943 6 U104 IC RF Amplifier SMZY0025501 RF2815 3 3 2 1 1 0 FILTER GPS LNA FILTER MODULE GPS RF MICRO DEVICES INC 6 FL500 FL501 FL502 FL503 FL504 Filter EMI Power SFEY0010501 ICVE10184E150R101FR ESD EMI 0HZ 15pF 0H SMD R TP INNOCHIPS TECHNOLOGY 6 C400 C406 C407 C408 C413 C426 C500 C502 Capacitor Ceramic Chip ECZH0001215 C1005X5R1A105KT000F 1uF 10 10V X5R 55TO 85C 1005 R TP TDK KOREA...

Page 207: ... C159 C160 C168 C169 C193 C207 C208 C209 Capacitor Ceramic Chip ECCH0002001 C1005JB0J104KT000F 0 1uF 10 6 3V Y5P 30TO 85C 1005 R TP TDK CORPORATION C210 C212 C214 C215 C216 C225 C228 C303 C313 C314 C315 6 C420 C425 C428 C466 C601 C602 C701 C711 C717 C803 C925 C929 C931 Capacitor Ceramic Chip ECCH0002001 C1005JB0J104KT000F 0 1uF 10 6 3V Y5P 30TO 85C 1005 R TP TDK CORPORATION 6 U500 IC Sub PMIC EAN6...

Page 208: ...TO 85C 1608 R TP 0 9T max SAMSUNG ELECTRO MECHANICS CO LTD 6 R800 R801 R802 R803 R804 Resistor Chip ERHY0000147 MCR01MZP5F5602 56KOHM 1 1 16W 1005 R TP ROHM C104 C1045 C1047 C1048 C105 C1051 C109 C118 C120 C139 C167 C170 Capacitor Ceramic C1005C0G1H101JT 100pF 5 50V NP0 6 C170 C184 C185 C200 C201 C433 C902 C941 C942 C946 L102 L110 L130 Capacitor Ceramic Chip ECZH0000813 55TO 125C 1005 R TP TDK KOR...

Page 209: ... PCB ASSY MAIN PAD SHORT SAFP0000401 LG LU3000 LGTBK MAIN A 6 R218 R221 PCB ASSY MAIN PAD OPEN SAFO0000401 AX3100 ATL SV_SHIPBACK MAIN A 0OHM DNI 6 R123 R124 Resistor Chip ERHZ0000408 MCR01MZP5J111 110OHM 5 1 16W 1005 R TP ROHM 6 U100 IC RF Transceiver 3G EAN62090401 RTR6285A GSM EDGE 3G Quad with MSM7227A CSP R TP 137P QUALCOMM INCORPORATED 6 D400 VA501 VA502 VA503 VA504 VA700 VA701 VA806 VA807 V...

Page 210: ...0nF 10 10V X7R 55TO 125C 1005 R TP MURATA MANUFACTURING CO LTD C211 C213 C304 C307 C308 C309 C310 C318 C319 C320 C321 C324 C405 C441 6 C441 C442 C443 C448 C449 C450 C451 C452 C453 C454 C455 C456 C457 C458 C459 C501 C510 C605 C728 C805 C926 Capacitor Ceramic Chip ECCH0004904 GRM155R60J105K 1uF 10 6 3V X5R 55TO 85C 1005 R TP MURATA MANUFACTURING CO LTD 6 VA800 VA801 VA802 VA803 VA804 VA805 VA812 VA8...

Page 211: ...17 C918 C919 Capacitor Ceramic Chip ECCH0000155 MCH153CN103KK 10nF 10 16V X7R 55TO 125C 1005 R TP ROHM Semiconductor C923 C924 C928 C938 C940 Ceramic Chip KOREA CORPORATION 6 CN501 Connector BtoB ENBY0034201 GB042 24S H10 E3000 24P 0 40MM STRAIGHT SOCKET SMD R TP 1M LS Mtron Ltd 6 C174 C187 Capacitor Ceramic Chip ECCH0005603 GRM188R61A225K 2 2uF 10 10V X5R 55TO 85C 1608 R TP MURATA MANUFACTURING C...

Page 212: ...uF 20 6 3V 1 4UA 55TO 125C 8OHM 1 6X0 85X0 8MM NONE SMD R TP 0 9T max NICHICON CORPORATION EAST JAPAN SALES OFFICE R210 MCR01MZP5J240 24OHM 5 1 16W 1005 R TP 6 R210 R211 Resistor Chip ERHZ0000522 MCR01MZP5J240 24OHM 5 1 16W 1005 R TP ROHM 6 FB700 FB701 FB707 FB708 Filter Bead SFBH0008101 BLM15AG601SN1D 600 ohm 1 0X0 5X0 5 25 0 6 ohm 0 3A SMD R TP 2P 0 MURATA MANUFACTURING CO LTD 6 R503 Resistor Ch...

Page 213: ...5A100D 10pF 0 5PF 50V NP0 55TO 125C 1005 R TP ROHM Semiconductor KOREA CORPORATION 6 CN600 Connector BtoB ENBY0051001 GB042 10S H10 E3000 10P 0 4MM STRAIGHT FEMALE SMD R TP 1M LS Mtron Ltd 6 R702 R703 R808 Resistor Chip ERHZ0000402 MCR01MZP5J100 10OHM 5 1 16W 1005 R TP ROHM 6 L901 R100 Inductor Multilayer Chip ELCH0001431 LL1005 FHL68NJ 68NH 5 180mA 1 7OHM 1 3GHZ 10 SHIELD NONE 1 0X0 5X0 5MM R TP ...

Page 214: ...ilayer Chip ELCH0004708 1005GC2T2N7SLF 2 7NH 0 3NH 300mA 0 17OHM 5 5GHZ 8 SHIELD NONE 1 0X0 5X0 5MM R TP PILKOR ELECTRONICS LTD 6 C111 C901 Inductor Multilayer Chip ELCH0004720 1005GC2T1N2SLF 1 2NH 0 3NH 300mA 0 12OHM 9GHZ 8 SHIELD NONE 1 0X0 5X0 5MM R TP PILKOR ELECTRONICS LTD 6 R206 R607 Resistor Chip ERHZ0000206 MCR01MZP5F10R0 10OHM 1 1 16W 1005 R TP ROHM 6 VA500 Varistor SEVY0001001 EVLC14S020...

Page 215: ...1801 C1005NPO758CGTQ 0 75pF 0 25PF 50V C0G 55TO 125C 1005 R TP 0 55MM DARFON ELECTRONICS CORP 6 R122 R412 R413 Resistor Chip ERHY0000105 MCR01MZP5F51R0 51OHM 1 1 16W 1005 R TP ROHM 6 L126 L906 Inductor Multilayer Chip ELCH0004727 1005GC2TR10JLF 100NH 5 100mA 2 3OHM 600MHZ 8 SHIELD NONE 1 0X0 5X0 5MM R TP PILKOR ELECTRONICS LTD R107 6 R202 R506 R507 R701 R706 R714 Resistor Chip ERHZ0000443 MCR01MZP...

Page 216: ...2X1MM NONE R TP MURATA MANUFACTURING CO LTD 6 C1041 C915 Inductor Multilayer Chip ELCH0003847 LQG15HS1N8S02D 1 8NH 0 3NH 300mA 0 1OHM 6GHZ 8 SHIELD NONE 1 0X0 5X0 5MM R TP MURATA MANUFACTURING CO LTD 6 C734 C936 Capacitor Ceramic Chip ECZH0001216 C1005X5R1A224KT000E 220nF 10 10V X5R 55TO 85C 1005 R TP TDK KOREA COOPERATION 6 R404 Resistor Chip ERHZ0000444 MCR01MZP5J223 22KOHM 5 1 16W 1005 R TP ROH...

Page 217: ...set Jack Detection IC with LDO 15kV ESD MAXIM INTEGRATED PRODUCTS INC 6 C933 C945 Capacitor Ceramic Chip ECCH0009103 C0603C0G1H101JT00NN 100pF 5 50V C0G 55TO 125C 0603 R TP TDK CORPORATION 6 SW100 Connector RF ENWY0008701 MS 156C NONE STRAIGHT SOCKET SMD T REEL AU 50OHM 400mDB HIROSE KOREA CO LTD 6 R115 R117 Resistor Chip ERHZ0000517 MCR01MZP5J910 91OHM 5 1 16W 1005 R TP ROHM 6 C101 C102 C114 C119...

Page 218: ...MM NONE R TP SAMSUNG ELECTRO MECHANICS CO LTD LQG15HS9N1J02D 9 1NH 5 300mA 0 26OHM 6 L1012 Inductor Multilayer Chip ELCH0003818 LQG15HS9N1J02D 9 1NH 5 300mA 0 26OHM 3 4GHZ 8 SHIELD NONE 1 0X0 5X0 5MM R TP MURATA MANUFACTURING CO LTD 6 FL900 Filter Separator FEM SFAY0015501 AFEM S102 2 1 25 0 connectivity for WCN1314 AVAGO TECHNOLOGIES INTERNATIONAL SALES PTE LIMITED 6 R125 R127 Resistor Chip ERHZ0...

Page 219: ... 0 23OHM 3 5GHZ 8 SHIELD NONE 1 0X0 5X0 5MM R TP PILKOR ELECTRONICS LTD CIC10J601NC 600 ohm 1 6X0 8X0 8 25 0 15 6 FB705 FB706 Filter Bead EAM62150501 CIC10J601NC_ 600 ohm 1 6X0 8X0 8 25 0 15 ohm 0 75A SMD R TP 2P 0 SAMSUNG ELECTRO MECHANICS CO LTD 6 X200 Oscillator VCTCXO EAW61543601 X1G003581002700 19 2MHZ 2PPM 2 8V 2 5x2 0x0 8MM SMD R TP EPSON TOYOCOM CORP 6 C220 Capacitor Ceramic Chip ECCH00105...

Page 220: ... 3 2V 4 2V 28dBm 1 SMD R TP 10 3 2V 4 2V 28dBm 1 SMD R TP 10 AVAGO TECHNOLOGIES INTERNATIONAL SALES PTE LIMITED 6 C1023 C1025 C144 Capacitor Ceramic Chip ECCH0000180 GRM1555C1H3R3C 3 3pF 0 25PF 50V NP0 55TO 125C 1005 R TP MURATA MANUFACTURING CO LTD 6 ZD700 ZD800 Diode TVS EDTY0010101 ESD9B5 0ST5G ESD9B5 0ST5G ESD9B5 0ST5G SOD 923 5 V 300 mW R TP 15pF SCG HONG KONG SAR LTD SCG HONG KONG SAR LTD 6 ...

Page 221: ...onductors 6 X400 Crystal EXXY0026901 Q13FC1350000300 32 768KHZ 20PPM 0F NONE SMD R TP EPSON TOYOCOM CORP 6 C177 Inductor Multilayer Chip ELCH0004705 1005GC2T8N2JLF 8 2NH 5 250mA 0 37OHM 2 8GHZ 8 SHIELD NONE 1 0X0 5X0 5MM R TP PILKOR ELECTRONICS LTD 6 L1005 Inductor Multilayer Chip ELCH0004714 1005GC2T18NJLF 18NH 5 200mA 0 65OHM 1 6GHZ 8 SHIELD NONE 1 0X0 5X0 5MM R TP PILKOR ELECTRONICS LTD 6 FL401...

Page 222: ...6 D401 D700 Diode Switching EDSY0011901 SDB310Q 340mV 30V 200mA 1A 0SEC 150mW EMD2 R TP 2P 1 AUK CORP 6 CN500 Connector BtoB ENBY0036001 GB042 40S H10 E3000 40P 0 4MM STRAIGHT SOCKET SMD R TP 1M ENGINEERING PLASTIC UL94V 0 AU OVER NI LS Mtron Ltd 6 FL1008 Filter Duplexer IMT SDMY0001901 SAYFP1G95AA0B00 SAYFP1G95AA0B00 SAYFP1G95AA0B00 1950 MHz 2140 MHz 1 8 dB 2 4 dB 52 dB 43 dB 2 5 2 0 0 55 SMD Ban...

Page 223: ...ERA ELCO KOREA SALES CO LTD 5 EBR071700 PCB Assembly Main SMT Top EBR74703101 LGE400 ADEUSK 1 0 Main 6 EAX010000 PCB Main EAX64669801 LGE400 ADEUSK 1 0 FR 4 Multi 10 Main 6 FB702 FB703 Filter Bead SFBH0008106 BLM15HG102SN1D 1000 ohm 1 0X0 5X0 5 25 1 1 ohm 0 25A SMD R TP 2P 0 MURATA MANUFACTURING CO LTD R401 R402 6 R402 R501 R502 R608 R609 R613 R614 R707 R708 Resistor Chip ERHY0000254 MCR01MZP5J472...

Page 224: ...HZ 8 SHIELD NONE 1 0X0 5X0 5MM R TP PILKOR ELECTRONICS LTD 6 C112 C136 C194 C226 C409 C804 L120 Capacitor Ceramic Chip ECZH0000830 C1005C0G1H330JT000F 33pF 5 50V NP0 55TO 125C 1005 R TP TDK KOREA COOPERATION 6 R113 Resistor Chip ERHZ0000483 MCR01MZP5J470 47OHM 5 1 16W 1005 R TP ROHM 6 C730 Capacitor Ceramic Chip ECCH0000112 MCH155C150J 15pF 5 50V NP0 55TO 125C 1005 R TP ROHM Semiconductor KOREA CO...

Page 225: ...a Cable SGDY0016701 KCA ET 8 0020 KCA ET 8 0020 Micro USB 1 2M KSD CO LTD 2 EAY060000 Adapters SSAD0038301 100 240V 5060 Hz 5 1 V 700 mA CE AC DC Adaptor 90Vac 264Vac 5 1V 700mA 5060 WALL 2P USB 3 MBM062600 Card Quick Reference MBM63641001 PRINTING LGE400 AITABK ZZ Without Color LG E400 Simple Manual for ITA 3 MBM087200 Card Warranty MCDF0001105 PRINTING LGP920 AITAML ZZ Without Color Warranty car...

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