Table Of Contents - LG D405 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 ................................................................................................9
2.6 HW SPEC. ................................................................................................. 12
3. TROUBLE SHOOTING .......................................................... 21
3.1 RF Component ....................................................................................... 21
3.2 SIGNAL PATH ........................................................................................... 23
3.3 Checking XO Block ................................................................................ 26
3.4 Checking FEMID (GSM, W B1/B2/B8) Block ................................. 28
3.5 Checking WCDMA Block .................................................................... 31
3.6 Checking GSM Block ............................................................................ 58
3.7 GPS Trouble Shooting ......................................................................... 65
3.8 WIFI/BT Trouble Shooting .................................................................. 70
3.9 Audio Trouble ......................................................................................... 75
3.10 Camera .................................................................................................... 88
3.11 Main LCD Trouble Shooting ........................................................... 93
3.12 Touch troubleshooting ..................................................................... 96
3.13 Vibrator Trouble Shooting ............................................................... 99
3.14 Gyro/Accel Trouble Shooting .......................................................101
3.15 Compass sensor troubleshooting ..............................................103
3.16 Proximity Sensor troubleshooting.............................................105
3.17 Power ON Troubleshooting ..........................................................107
3.18 FM Trouble Shooting .......................................................................111
3.19 USB Trouble Shooting ....................................................................116
LGE Internal Use Only

Table Of Contents

4. DOWNLOAD ....................................................................... 120
5. BLOCK DIAGRAM ............................................................... 137
6. CIRCUIT DIAGRAM ............................................................ 146
7. BGA PIN MAP .................................................................... 162
8. PCB LAYOUT ....................................................................... 169
9. CALIBRATION ..................................................................... 173
10. HIDDEN MENU ................................................................. 192
11. DISASSEMBLE GUIDE ...................................................... 199
12. EXPLODED VIEW & REPLACEMENT PART LIST ............. 204
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