Table of Contents
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1. INTRODUCTION ..................................................................... 3
1.1 Purpose ........................................................................................................3
1.2 Regulatory Information .........................................................................3
1.3 Specifications .............................................................................................5
2. PERFORMANCE .................................................................... 10
2.1 Product Name ......................................................................................... 10
2.2 Supporting Standard ........................................................................... 10
2.3 Functions of Major Semi-Conductors ........................................... 11
2.4 HW Features ............................................................................................ 11
2.5 SW Features ............................................................................................. 15
2.6 H/W SPEC. ................................................................................................. 18
2.7 SMT Components: Top side ............................................................... 37
2.8 SMT Components: Bottom side....................................................... 38
3. TROUBLE SHOOTING .......................................................... 39
3.1 Checking XO Block ................................................................................ 39
3.2 Checking Transceiver DC Power Supply Circuit Block ............ 41
3.3 Checking DC-DC Block ........................................................................ 43
3.4 ASM(Antenna Switch Module) Block ............................................ 45
3.5 GSM RF Part ............................................................................................. 49
3.6 WCDMA RF Part ...................................................................................... 63
3.7 LTE RF Part ................................................................................................ 90
3.8 BT&WIFI&FM PART ..............................................................................131
3.9 GPS Part ...................................................................................................133
3.10 NFC Part ................................................................................................140
3.11 Power .....................................................................................................143
3.12 Charger .................................................................................................147
3.13 Audio .....................................................................................................149
3.14 LCD .........................................................................................................164
3.15 Touch .....................................................................................................168
3.16 Sensor ....................................................................................................172
3.17 Remote Sensor ( IRRC Sensor) .....................................................178
3.18 USB / Slimport ....................................................................................181
3.19 CAMERA ................................................................................................183
LGE Internal Use Only
Table Of Contents
4. DOWNLOAD .......................................................................189
5. BLOCK DIAGRAM ..............................................................206
6. CIRCUIT DIAGRAM ............................................................217
7. BGA PIN MAP .....................................................................237
8. PCB LAYOUT .......................................................................262
9. CALIBRATION .....................................................................273
10. HIDDEN MENU .................................................................292
11. DISASSEMBLE GUIDE ......................................................313
12. EXPLODED VIEW & REPLACEMENT PART LIST .............320
12.1 EXPLODED VIEW ................................................................................320
12.2 Replacement Parts ...........................................................................321
12.3 Accessory .............................................................................................364
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