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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
4.3 Trouble Shooting of GSM Part (GSM850/900/1800/1900)
........................................................................................................................ 52
4.4 Trouble 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 Configuration 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