Table Of Contents - LG -D618 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 .....................................................................6
2.4 HW Features ...............................................................................................6
2.5 SW Features ................................................................................................8
2.6 HW SPEC. ................................................................................................. 12
3. TROUBLE SHOOTING .......................................................... 20
3.1 RF Component ....................................................................................... 20
3.2 SIGNAL PATH ........................................................................................... 22
3.3 Checking XO Block ................................................................................ 25
3.4 Checking FEMID (GSM, W B1/B2/B8) Block ................................. 27
3.5 Checking WCDMA Block .................................................................... 30
3.6 Checking GSM Block ............................................................................ 65
3.7 GPS Trouble Shooting ......................................................................... 72
3.8 WIFI/BT Trouble Shooting .................................................................. 77
3.9 Audio Trouble ......................................................................................... 81
3.10 Camera .................................................................................................... 94
3.11 Main LCD Trouble Shooting ........................................................... 99
3.12 Touch troubleshooting ...................................................................102
3.13 Vibrator Trouble Shooting .............................................................105
3.14 Compass / Accel Trouble Shooting ............................................107
3.15 Proximity Sensor on/off Trouble Shooting .............................109
3.16 Power ON Troubleshooting ..........................................................111
3.17 FM Trouble Shooting .......................................................................115
3.18 USB Trouble Shooting .....................................................................120
LGE Internal Use Only

Table Of Contents

4. DOWNLOAD ....................................................................... 124
5. BLOCK DIAGRAM ............................................................... 141
6. CIRCUIT DIAGRAM ............................................................ 148
7. BGA PIN MAP .................................................................... 164
8. PCB LAYOUT ....................................................................... 171
9. CALIBRATION ..................................................................... 177
10. HIDDEN MENU ................................................................. 196
11. DISASSEMBLE GUIDE ...................................................... 203
12. EXPLODED VIEW & REPLACEMENT PART LIST ............. 208
12.1 Exploded View ...................................................................................208
12.2 Replacement Parts ...........................................................................209
12.3 Accessory .............................................................................................241
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