Table Of Contents - LG -P880 Service Manual

1. INTRODUCTION ..................................................................... 3
1.1 Purpose ........................................................................................................3
1.2 Regulatory Information .........................................................................3
1.3 Abbreviations.............................................................................................5
2. PERFORMANCE ...................................................................... 7
2.1 Product Name ............................................................................................7
2.2 Supporting Standard ..............................................................................7
2.3 Main Parts : GSM Solution .....................................................................7
2.4 HW Features ...............................................................................................8
2.5 SW Features ............................................................................................. 10
2.6 HW SPEC. ................................................................................................. 13
2.7 P880 Figures ............................................................................................ 25
3.CIC_AND SERVICE CENTER .................................................. 26
3.1 CIC FAQ ...................................................................................................... 26
4. TROUBLE SHOOTING .......................................................... 43
4.1 RF Component ....................................................................................... 43
4.2 SIGNAL PATH ........................................................................................... 44
4.3 Checking TCXO Block ........................................................................... 47
4.4 Checking WCDMA Block .................................................................... 49
4.5 Checking GSM Block ............................................................................ 56
4.6 Wifi/BT/FM Module ............................................................................... 63
4.7 NFC trouble .............................................................................................. 65
4.8 GPS trouble .............................................................................................. 69
4.9 Power ON Troubleshooting ............................................................... 73
4.10 Switching Charger Troubleshooting ........................................... 76
4.11 USB Trouble shooting ....................................................................... 79
4.12 Audio troubleshooting ..................................................................... 82
4.13 (8M) Camera troubleshooting ....................................................... 92
4.14.(1.26M) Camera troubleshooting ................................................. 95
4.15 Main LCD trouble ................................................................................ 98
4.16 SIM detect Trouble shooting ........................................................102
4.17 Side Key Troubleshooting .............................................................105
4.18 Vibrator Troubleshooting ..............................................................107
4.19 Motion/Gyro sensor(MPU-6050) trouble shooting .............110
4.20 Compass sensor trouble ................................................................113
4.21 Proximity Sensor on/off trouble .................................................115
4.22 Illumination Sensor on/off trouble ............................................118
4.23 HDMI Troubleshooting ...................................................................121
4.24 Touch trouble .....................................................................................122
LGE Internal Use Only

Table Of Contents

5. DOWNLOAD ....................................................................... 124
6. BLOCK DIAGRAM ............................................................... 144
7. CIRCUIT DIAGRAM ............................................................ 165
8. BGA PIN MAP .................................................................... 182
9. PCB LAYOUT ....................................................................... 192
10. CALIBRATION ................................................................... 194
11. HIDDEN MENU ................................................................. 214
12. EXPLODED VIEW & REPLACEMENT PART LIST ............. 230
12.1 EXPLODED VIEW ................................................................................230
12.2 Replacement Parts ...........................................................................231
12.3 Accessory .............................................................................................273
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