Table Of Contents - LG -E400 Service Manual

1. INTRODUCTION ..................................................................... 3
1.1 Purpose ........................................................................................................3
1. Regulatory Information .........................................................................3
2. PERFORMANCE ...................................................................... 5
.1 Product Name ............................................................................................5
. Supporting Standard ..............................................................................5
.3 Main Parts : GSM Solution .....................................................................6
.4 HW Features ...............................................................................................6
.5 SW Features ................................................................................................9
.6 HW SPEC. ................................................................................................. 13
3. Android_Final CIC_FAQ ...................................................... 20
3.1 Multimedia ............................................................................................... 0
3. Setting ....................................................................................................... 1
3.3 Home .......................................................................................................... 7
3.4 Internet ...................................................................................................... 8
3.5 Message,E-mail....................................................................................... 9
3.6 Phone_Calls,Contacts .......................................................................... 30
3.7 Application............................................................................................... 3
3.8 Utilities ....................................................................................................... 33
3.9 Bluetooth .................................................................................................. 33
3.10 Wi-Fi .......................................................................................................... 34
3.11 Android ................................................................................................... 35
3.1 P500 And. .......................................................................................... 37
4. TROUBLE SHOOTING .......................................................... 51
4.1 RF Component ....................................................................................... 51
4. SIGNAL PATH ........................................................................................... 53
4.3 Checking TCXO Block ........................................................................... 56
4.4 Checking GSM TX Module(GSM PAM + ASM) Block ............... 59
4.5 Checking WCDMA Block .................................................................... 6
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/BT Trouble shooting ........................................................ 85
4.10 Power ON Trouble Shooting........................................................... 9
4.11 Charging Trouble Shooting ............................................................ 96
4.1 3MFF Camera Trouble Shooting ................................................... 99
4.13 Main LCD trouble ..............................................................................10
LGE Internal Use Only

Table Of Contents

4.14 Proximity Sensor on/off Trouble Shooting .............................104
4.15 Motion Sensor on/off Trouble Shooting .................................106
4.16 Compass Sensor on/off Trouble Shooting .............................108
4.17 DC Motor Trouble Shooting .........................................................111
4.18 Audio Troble ........................................................................................113
5. DOWNLOAD .......................................................................123
6.Block diagram ....................................................................143
7. CIRCUIT DIAGRAM ............................................................150
8. BGA PIN MAP .....................................................................159
9. PCB LAYOUT .......................................................................165
10. CALIBRATION ...................................................................167
11. HIDDEN MENU .................................................................187
12. DISASSEMBLE GUIDE .................................................193
13. EXPLODED VIEW & REPLACEMENT PART LIST .............198
13.1 EXPLODED VIEW ................................................................................198
13. Replacement Parts ...........................................................................199
13.3 Accessory .............................................................................................5
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Only for training and service purposes