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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 : Main Chipset Solution................................................ 11
2.4 HW Features ............................................................................................ 11
2.5 SW Features............................................................................................. 14
3. TROUBLE SHOOTING .......................................................... 26
3.1 Checking XO Block................................................................................ 26
3.2 Checking Transceiver DC Power Supply Circuit Block............ 28
3.3 Checking DC-DC Block........................................................................ 30
3.4 Checking FEMiD Block (GSM, W B1/2/5/8, LTE B1/2/3/7/8/20)
.............................................................................................................................. 32
3.5 GSM RF Part ............................................................................................. 34
3.6 WCDMA RF Part...................................................................................... 46
3.7 LTE RF Part................................................................................................ 62
3.8 BT&WIFI PART.......................................................................................... 89
3.9 GPS Part..................................................................................................... 93
3.10 Power....................................................................................................... 99
3.11 Charger .................................................................................................103
3.12 Audio .....................................................................................................106
3.13 LCD .........................................................................................................119
3.14 Touch .....................................................................................................121
3.15 Sensor....................................................................................................123
3.16 USB .........................................................................................................127
3.17 Camera..................................................................................................129
4. DOWNLOAD.......................................................................132
5. BLOCK DIAGRAM...............................................................149
6. CIRCUIT DIAGRAM ............................................................157
7. BGA PIN MAP ....................................................................178
8. PCB LAYOUT.......................................................................183
9. CALIBRATION.....................................................................187
10. HIDDEN MENU................................................................. 206
11. DISASSEMBLE GUIDE......................................................214
12. EXPLODED VIEW & REPLACEMENT PART LIST .............218
12.1 Exploded View ...................................................................................218
12.2 Replacement Parts...........................................................................219
12.3 Accessory .............................................................................................251
