Table Of Contents - LG -D722V Service Manual

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 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
LGE Internal Use Only

Table Of Contents

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
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