Table Of Contents - LG -P715 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 SW Features ............................................................................................. 10
2.6 HW SPEC. ................................................................................................. 22
3. CIC AND SERVICE CENTER .................................................. 29
3.1 CIC FAQ ...................................................................................................... 29
4. TROUBLE SHOOTING .......................................................... 49
4.1 RF Component ....................................................................................... 49
4.2 SIGNAL PATH ........................................................................................... 51
4.3 Checking TCXO Block ........................................................................... 53
4.4 Checking GSM TX Module(GSM PAM + FEM) Block ................ 55
4.5 Checking WCDMA Block .................................................................... 57
4.6 Checking GSM Block ............................................................................ 68
4.7 GPS/WIFI/BT RF Component ............................................................ 75
4.8 GPS/WIFI/BT SIGNAL PATH ................................................................ 77
4.9 GPS/WIFI/BT Trouble shooting ........................................................ 79
4.10 Power on Trouble shooting ............................................................ 85
4.11 Charger Troubleshooting ................................................................ 88
4.12 USB Trouble shooting ....................................................................... 91
4.13 Audio Trouble ....................................................................................... 94
4.14 SIM Detect Trouble ...........................................................................112
4.15 Camera trouble ..................................................................................114
4.16 Main LCD trouble ..............................................................................120
4.17 Touch Key Trouble ............................................................................123
4.18 Touch sensor Trouble ......................................................................125
4.19 Side Key Trouble Shooting ............................................................127
4.20 DC Motor Trouble Shooting .........................................................129
4.21 Motion Sensor on/off Trouble Shooting .................................131
4.22 Compass Sensor on/off Trouble Shooting .............................133
4.23 Proximity Sensor on/off Trouble Shooting .............................135
LGE Internal Use Only

Table Of Contents

5. DOWNLOAD ....................................................................... 137
6. BLOCK DIAGRAM ............................................................... 157
7. CIRCUIT DIAGRAM ............................................................ 164
8. BGA PIN MAP .................................................................... 174
9. PCB LAYOUT ....................................................................... 180
10. CALIBRATION ................................................................... 186
11. HIDDEN MENU ................................................................. 206
12. DISASSEMBLE GUIDE ...................................................... 213
13. EXPLODED VIEW & REPLACEMENT PART LIST ............. 223
13.1 Exploded View ...................................................................................223
13.2 Replacement Parts ...........................................................................224
13.3 Accessory .............................................................................................260
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