Table Of Contents - LG D686 Service Manual

1. INTRODUCTION ..................................................................... 3
1.1 Purpose ........................................................................................................3
1.2 Regulatory Information .........................................................................3
2. PERFORMANCE ...................................................................... 5
2.1 Product Name ............................................................................................5
2.2 Supporting Standard ..............................................................................5
2.3 Main Parts : GSM Solution .....................................................................5
2.4 HW Features ...............................................................................................6
2.5 HW SPEC ......................................................................................................8
2.6 D686 Figures ........................................................................................... 22
3. TROUBLE SHOOTING .......................................................... 23
3.1 WCDMA Rx Part ...................................................................................... 23
3.2 WCDMA Tx Part ...................................................................................... 37
3.3 GSM Rx Part ............................................................................................. 54
3.4 GSM Tx Part Troubleshooting ........................................................... 67
3.5 Power ......................................................................................................... 75
3.6 Charging ................................................................................................... 80
3.7 USB .............................................................................................................. 82
3.8 Audio .......................................................................................................... 83
3.9 6 AXIS Sensor .......................................................................................... 97
3.10 Proximity Sensor ...............................................................................100
3.11 Touch Sensor ......................................................................................102
3.12 Vibrator .................................................................................................104
3.13 Camera ..................................................................................................106
3.14 LCD .........................................................................................................110
3.15 BT/Wifi ...................................................................................................113
3.16 GPS Part ................................................................................................117
3.17 FM Radio ...............................................................................................122
3.18 IRRC ........................................................................................................124
LGE Internal Use Only

Table Of Contents

4. DOWNLOAD .......................................................................127
5. BLOCK DIAGRAM ..............................................................144
6. CIRCUIT DIAGRAM ............................................................152
7. BGA PIN MAP .....................................................................161
8. PCB LAYOUT .......................................................................165
9. CALIBRATION .....................................................................167
10. HIDDEN MENU .................................................................186
11. DISASSEMBLE GUIDE ......................................................210
12. EXPLODED VIEW & REPLACEMENT PART LIST .............214
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