- 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
2. PERFORMANCE ...................................................................... 5
2.1 Product Name ............................................................................................5
2.2 Supporting Standard ..............................................................................5
2.3 Main Parts : GSM Solution .....................................................................5
2.4 HW Features ...............................................................................................6
2.5 SW Features ............................................................................................. 10
2.6 HW SPEC. ................................................................................................. 13
3. CIC AND SERVICE CENTER .................................................. 21
3.1 CIC FAQ ...................................................................................................... 21
4. TROUBLE SHOOTING .......................................................... 30
4.1 RF Component ....................................................................................... 30
4.2 SIGNAL PATH ........................................................................................... 32
4.3 Checking TCXO Block ........................................................................... 35
4.4 Checking GSM TX Module(GSM PAM + ASM) Block ............... 37
4.5 Checking WCDMA Block .................................................................... 40
4.6 Checking GSM Block ............................................................................ 50
4.7 GPS/WIFI/BT RF Component ............................................................ 57
4.8 GPS/WIFI/BT SIGNAL PATH ................................................................ 59
4.9 GPS/WIFI/BT Trouble shooting ........................................................ 60
4.10 Power ON Trouble Shooting........................................................... 66
4.11 Charging Trouble Shooting ............................................................ 69
4.12 3M FF Camera Trouble Shooting .................................................. 71
4.13 Main LCD trouble ................................................................................ 74
4.14 Proximity Sensor on/off Trouble Shooting ............................... 76
4.15 Motion Sensor on/off Trouble Shooting ................................... 78
4.16 Compass Sensor on/off Trouble Shooting ............................... 80
4.17 DC Motor Trouble Shooting ........................................................... 82
4.18 SIM detect Trouble Shooting ......................................................... 84
4.19 Audio Troble .......................................................................................... 87
5. DOWNLOAD ......................................................................... 98
6. BLOCK DIAGRAM ..............................................................118
7. CIRCUIT DIAGRAM ............................................................123
8. BGA PIN MAP .....................................................................132
9. PCB LAYOUT .......................................................................138
10. CALIBRATION ...................................................................140
11. HIDDEN MENU .................................................................160
12. DISASSEMBLE GUIDE .................................................166
13. EXPLODED VIEW & REPLACEMENT PART LIST .............174
13.1 EXPLODED VIEW ................................................................................174
13.2 Replacement Parts ...........................................................................175
13.3 Accessory .............................................................................................201