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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 Specications.............................................................................................5
2. PERFORMANCE.................................................................... 10
2.1 Product Name......................................................................................... 10
2.2 Supporting Standard........................................................................... 10
2.3 Main Parts & Solution .......................................................................... 11
2.4 HW Features ............................................................................................ 12
2.5 SW Features............................................................................................. 16
2.6 H/W SPEC.................................................................................................. 19
3. TROUBLE SHOOTING .......................................................... 41
3.1 Checking XO Block................................................................................ 42
3.2 Checking Transceiver DC Power Supply Circuit Block............ 43
3.3 Checking DC-DC Block........................................................................ 45
3.4 ASM(Antenna Switch Module) Block............................................ 47
3.5 GSM RF Part ............................................................................................. 51
3.6 WCDMA RF Part...................................................................................... 65
3.7 LTE RF Part................................................................................................ 83
3.8 BT&WIFI&FM PART ..............................................................................128
3.9 GPS Part...................................................................................................134
3.10 NFC Part................................................................................................140
3.11 Power.....................................................................................................143
3.12 Charger .................................................................................................147
3.13 Audio .....................................................................................................149
3.14 LCD .........................................................................................................169
3.15 Touch .....................................................................................................172
3.16 Sensor....................................................................................................175
3.17 Remote Sensor (IRRC Sensor)......................................................183
3.18 USB/Slimport......................................................................................185
3.19 CAMERA................................................................................................187
4. DOWNLOAD.......................................................................194
5. BLOCK DIAGRAM..............................................................211
6. CIRCUIT DIAGRAM ............................................................220
7. BGA PIN MAP .....................................................................244
8. PCB LAYOUT.......................................................................263
9. CALIBRATION.....................................................................268
10. HIDDEN MENU.................................................................287
11. DISASSEMBLE GUIDE......................................................309
12. EXPLODED VIEW & REPLACEMENT PART LIST .............315
