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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 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
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
