LG GD330 - Default Chapter; Table of Contents

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Only for training and service purposes
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Table Of Contents
1. INTRODUCTION ...............................................7
1.1 Purpose ......................................................................7
1.2 Regulatory Information .................................................7
1.3 Abbreviations ..............................................................9
2. GENERAL PERFORMANCE ............................10
2.1 Product Name ...........................................................10
2.2 Supporting Standard ..................................................10
2.3 Main Parts: GSM Solution ..........................................10
2.4 H/W Features ............................................................11
2.5 S/W Features ............................................................13
3. TECHNICAL BRIEF .........................................15
3.1 General Description ...................................................15
3.2 RF Part .....................................................................15
3.3 Digital Baseband .......................................................20
3.4 Analog Baseband ......................................................24
3.5 Bluetooth Interface ....................................................30
4. TROUBLE SHOOTING .....................................34
4.1 RF Part Technical Brief ...............................................35
4.2 RF Part Trouble shooting ............................................36
4.3 Bluetooth Trouble Shooting .........................................48
4.4 Baseband Part Troubleshooting ..................................52
4.5 LCD Display Trouble shooting .....................................60
4.6 Camera Trouble Shooting ...........................................66
4.7 SIM Detect Trouble Shooting ......................................70
4.8 Slide Up/Down Trouble Shooting .................................73
4.9 Speaker/Receiver Trouble Shooting (Common Path) .....75
4.10 Speaker/Receiver Trouble Shooting (Acoustic Path) ....78
4.11 MIC Trouble Shooting ...............................................79
4.12 Ear-Mic Jack Detection Trouble Shooting ..................81
4.13 Ear-Mic Hook Detection Trouble Shooting ..................82
4.14 Ear-Mic Headset MIC Trouble Shooting .....................83
4.15 Ear-Mic Headset HSOR/HSOL Trouble Shooting .........84
4.16 FM-Radio Trouble Shooting ......................................85
4.17 Transfl ash Trouble Shooting ......................................86
4.18 Main Key Backlight LED Trouble Shooting ..................88
4.19 Slide LCD Backlight LED Trouble Shooting .................90
4.20 Vibrator Trouble Shooting .........................................92
4.21 Touch Trouble Shooting ............................................93
5. Downloading ................................................ 95
5.1 Downloading Software ...............................................95
6. BLOCK DIAGRAM ........................................ 101
7. CIRCUIT DIAGRAM ...................................... 103
8. BGA Pin Map .............................................. 111
9. PCB LAYOUT ............................................... 117
10. Calibration ................................................ 125
10.1 Calibration ............................................................125
11. Test Mode .................................................130
12. EXPLODED VIEW & REPLACEMENT
PART LIST ................................................133
12.1 EXPLODED VIEW ...................................................133
12.2 Replacement Parts ................................................135