LG F3000 - Default Chapter; Table of Contents

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1. INTRODUCTION ...............................5
1.1 Purpose .................................................. 5
1.2 Regulatory Information............................ 5
1.3 Abbreviations .......................................... 7
2. PERFORMANCE...............................9
2.1 H/W Features...........................................9
2.2 Technical Specification ..........................10
3. TECHNICAL BRIEF ........................15
3.1 Power Transceiver .................................15
3.2 26 MHz Clock.........................................22
3.3 FEM for Triband .....................................22
3.4 Digital Main Processor ...........................24
3.5 Analog Main & Power Management
Processor...............................................30
3.6 Charging IC............................................38
3.7 CAMERA IC ...........................................41
3.8 Keypad Switches and Scanning ............43
3.9 Microphone ............................................44
3.10 Main Speaker.......................................44
3.11 Headset Interface.................................45
3.12 MEMORY............................................ 46
3.13 BLUETOOTH .......................................47
3.14 CAMERA CONNECTOR, CAMERA
LDO......................................................48
3.15 KEY BACKLIGHT ................................49
3.16 WHITE/FLASH LED LDO ....................49
3.17 FLIP SWITCH ......................................50
3.18 VIBRATOR...........................................50
3.19 MIC ......................................................51
4. TROUBLESHOOTING ....................52
4.1 RX Trouble.............................................52
4.2 TX Trouble .............................................58
4.3 Power On Trouble..................................65
4.4 Charging Trouble ...................................67
4.5 Vibrator Trouble .....................................69
4.6 LCD Trouble.......................................... 71
4.7 BT Trouble .............................................74
4.8 Speaker Trouble ....................................77
4.9 SIM Card Interface Trouble....................79
4.10 Earphone Trouble ................................81
4.11 Key Backlight LED Trouble ..................84
4.12 Receiver Trouble..................................85
4.13 Microphone Trouble .............................87
4.14 RTC Trouble ........................................89
4.15 Folder on/off Trouble............................91
4.16 Camera and Flash Trouble ..................93
5. DOWNLOAD.......................................96
5.1 Download ...............................................96
6. BLOCK DIAGRAM ........................102
7. Circuit Diagram ............................103
8. pcb layout .....................................111
9. ENGINEERING MODE ..................113
9.1 BB Test [MENU 1]................................114
9.2 RF Test [MENU 2]................................116
9.3 MF mode [MENU 3] .............................116
9.4 Trace option [MENU 4] ........................117
9.5 Call timer [MENU 5] .............................117
9.6 Fact. Reset [MENU 6] ..........................117
9.7 S/W version..........................................117
10. STAND ALONE TEST .................118
10.1 Introduction ........................................118
10.2 Setting Method...................................118
10.3 Means of Test ....................................119
11. AUTO CALIBRATION..................121
11.1 Overview ............................................121
11.2 Equipment List ...................................121
11.3 Test Jig Operation..............................122
11.4 Procedure ..........................................123
12. EXPLODED VIEW &
REPLACEMENT PART LIST ..... 127
12.1 Exploded View .................................. 127
12.2 Replacement Parts ............................129
12.3 Accessory ......................................... 148
Table Of Contents