- 2 -
Copyright © 2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Table Of Contents
1. INTRODUCTION ..................................................................... 3
1.1 Purpose ........................................................................................................3
1.2 Regulatory Information .........................................................................3
1.3 Specifications .............................................................................................5
2. PERFORMANCE ...................................................................... 8
2.1 Product Name ............................................................................................8
2.2 Supporting Standard ..............................................................................8
2.3 Main Parts : GSM Solution .....................................................................8
2.4 HW Features ...............................................................................................9
2.5. HW SPEC .................................................................................................. 11
2.6 E455 Figures ............................................................................................ 23
3. CIC AND SERVICE CENTER .................................................. 24
3.1 CIC FAQ ...................................................................................................... 24
4. TROUBLE SHOOTING .......................................................... 38
4.1 WCDMA Rx Part ...................................................................................... 38
4.2 WCDMA Tx Part ...................................................................................... 62
4.3 GSM Rx Part ............................................................................................. 90
4.4 GSM Tx Part Troubleshooting .........................................................112
4.5. Power ......................................................................................................126
4.6 Charging .................................................................................................131
4.7. USB ...........................................................................................................133
4.8. Audio .......................................................................................................134
4.9 6 AXIS Sensor ........................................................................................148
4.10 Proximity Sensor ...............................................................................151
4.11 Touch Sensor ......................................................................................153
4.12 Vibrator .................................................................................................155
4.13 Camera ..................................................................................................157
4.14 LCD .........................................................................................................159
4.15 BT/Wifi ...................................................................................................162
4.16 GPS Part ................................................................................................166
4.17 FM Radio ...............................................................................................171
5. DOWNLOAD .......................................................................173
6. BLOCK DIAGRAM ..............................................................200
7. CIRCUIT DIAGRAM ............................................................201
8. BGA PIN MAP .....................................................................209
9. PCB LAYOUT .......................................................................215
10. CALIBRATION ...................................................................219
11. HIDDEN MENU .................................................................239
12. DISASSEMBLE GUIDE ......................................................263
13. EXPLODED VIEW & REPLACEMENT PART LIST .............269
13.1 EXPLODED VIEW ................................................................................269
13.2 Replacement Parts ...........................................................................270
13.3 Accessory .............................................................................................301
