- 2 - Copyright © 2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Table Of Contents
1. INTRODUCTION..................................................................... 3
1.1 Purpose....................................................................................................3
1.2 Regulatory Information ....................................................................3
1.3 Abbreviations........................................................................................5
2. PERFORMANCE...................................................................... 7
2.1 Electrical characteristics....................................................................7
2.2. RF...............................................................................................................9
2.3 Current Consumption..................................................................... 16
2.4 530G Figures....................................................................................... 16
3. TECHNICAL BRIEF................................................................ 17
3.1 RF Technical Description................................................................ 17
3.2 WCDMA Part....................................................................................... 18
3.3 EDGE/GPRS/GSM RF block............................................................ 25
3.4 Control Flow.......................................................................................31
3.5 BB Technica Description................................................................32
3.6 Power management........................................................................ 43
3.7 Memory................................................................................................ 47
4. TROUBLE SHOOTING .......................................................... 49
4.1 RF Component................................................................................... 49
4.2 RF Path..................................................................................................51
4.3Trouble Shooting of GSM Part (GSM850/900/1800/1900)
........................................................................................................................ 52
4.4Trouble Shooting of WCDMA Part ............................................. 61
4.5 Checking Bluetooth Block ............................................................ 69
4.6 Checking GPS Block......................................................................... 72
4.7 Power ON Troubleshooting.......................................................... 76
4.8 Charger Troubleshooting.............................................................. 79
4.9 USB Troubleshooting...................................................................... 80
4.10 USIM Detect Troubleshooting..................................................82
4.11 Camera Troubleshooting............................................................ 84
4.12 Main Keypad Backlight Troubleshooting............................. 86
4.13 LCD Troubleshooting.................................................................... 87
4.14 Vibrator............................................................................................... 89
4.15 Receiver Path ................................................................................... 91
4.16 Headset path ...................................................................................93
4.17 Speaker phone path..................................................................... 95
4.18 Main microphone.......................................................................... 97
4.19 Headset microphone....................................................................99
5. DOWNLOAD.......................................................................101
6. BLOCK DIAGRAM...............................................................120
7. CIRCUIT DIAGRAM ............................................................132
8. BGA Pin Map......................................................................140
9. PCB LAYOUT.......................................................................144
10. CALIBRATION...................................................................148
10.1 Conguration of Tachyon.........................................................148
10.2 How to use Tachyon....................................................................150
11. EXPLODED VIEW & REPLACEMENT PART LIST .............152
11.1 EXPLODED VIEW...........................................................................152
11.2 Replacement Parts.......................................................................155
11.3 Accessory ........................................................................................181
