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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 E450 Figures ............................................................................................ 24
3.
CIC AND SERVICE CENTER
..........................................................25
3.1 CIC FAQ ...................................................................................................... 25
4. TROUBLE SHOOTING .......................................................... 39
4.1 WCDMA Rx Part ...................................................................................... 39
4.2 WCDMA Tx Part ...................................................................................... 63
4.3 GSM Rx Part ............................................................................................. 91
4.4 GSM Tx Part Troubleshooting .........................................................113
4.5. Power ......................................................................................................127
4.6 Charging .................................................................................................132
4.7. USB ...........................................................................................................134
4.8. Audio .......................................................................................................135
4.9 6 AXIS Sensor ........................................................................................149
4.10 Proximity Sensor ...............................................................................152
4.11 Touch Sensor ......................................................................................154
4.12 Vibrator .................................................................................................156
4.13 Camera ..................................................................................................158
4.14 LCD .........................................................................................................160
4.15 BT/Wifi ...................................................................................................163
4.16 GPS Part ................................................................................................167
4.17 FM Radio ...............................................................................................172
5. DOWNLOAD .......................................................................174
6. BLOCK DIAGRAM ..............................................................194
7. CIRCUIT DIAGRAM ............................................................202
8. BGA PIN MAP .....................................................................210
9. PCB LAYOUT .......................................................................216
10. CALIBRATION ...................................................................220
11. HIDDEN MENU .................................................................240
12. DISASSEMBLE GUIDE ......................................................264
13. EXPLODED VIEW & REPLACEMENT PART LIST .............270
13.1 EXPLODED VIEW ................................................................................270
13.2 Replacement Parts ...........................................................................271
13.3 Accessory .............................................................................................298