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Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Table Of Contents
1. INTRODUCTION...............................................5
1.1 Purpose......................................................................5
1.2 Regulatory Information.................................................5
1.3 Abbreviations ..............................................................7
2. SYSTEM SPECIFICATION.................................9
2.1 H/W Features..............................................................9
2.2 Technical Specification...............................................11
3. TECHNICAL BRIEF......................................... 16
3.1 Main Processor(Digital Part : AD6725, U102) ..............16
3.2 Main Processor (Analog Part : AD6725, U102) ............19
3.3 RF Transceiver (AD6546) ...........................................26
3.4 Power Amplifier Module (SKY77523) ..........................39
3.5 BT Module with integrated FM tuner...........................30
3.6 MEMORY(PF38F5060M0Y0BE, U100 ) .......................32
3.7 Multi-Media Processor (AIT817, U602) .......................35
3.8 SIM Card Interface.....................................................38
3.9 Micro-SD Card Interface ............................................39
3.10 LCD Interface ..........................................................40
3.11 Battery Charger Interface .........................................43
3.12 Keypad Interface .....................................................44
3.13 Audio Interface ........................................................46
3.14 Camera Interface(2M Fixed Focus Camera) ...............53
3.15 KEY BACLKLIGHT LED Interface................................55
3.16 Vibrator Interface.....................................................57
4. TROUBLE SHOOTING..................................... 58
4.1 RF Component ..........................................................58
4.2 RX Trouble ................................................................59
4.3 TX Trouble.................................................................64
4.4 Power On Trouble ......................................................68
4.5 Charging Trouble .......................................................71
4.6 Vibrator Trouble .........................................................73
4.7 LCD Trouble ..............................................................75
4.8 Camera Trouble.........................................................79
4.9 Speaker Trouble ........................................................83
4.10 Earphone Trouble.....................................................85
4.11 Receiver Trouble......................................................89
4.12 Microphone Trouble .................................................91
4.13 SIM Card Interface Trouble .......................................93
4.14 KEY backlight Trouble ..............................................95
4.15 RTC Trouble ............................................................97
4.16 Folder on/off Trouble................................................99
4.17 Micro SD Trouble...................................................101
4.18 FM radio Trouble ...................................................103
5. DOWNLOAD................................................. 105
5.1 Download................................................................105
6. BLOCK DIAGRAM........................................111
7. CIRCUIT DIAGRAM...................................... 113
8. BGA Pin Map .............................................. 121
9. PCB LAYOUT ...............................................125
10. Confi guration of HOT KIMCHI ................. 131
10.1 BB Test [MENU 1]..................................................132
10.2 RF Test [MENU 2] ..................................................134
10.3 MF mode [MENU 3] ...............................................134
10.4 Trace option [MENU 4] ...........................................135
10.5 Call timer [MENU 5]...............................................135
10.6 Fact. Reset [MENU 6].............................................135
10.7 S/W version ..........................................................135
11. STAND ALONE TEST.................................. 136
11.1 Introduction...........................................................136
11.2 Setting Method......................................................136
11.3 Means of Test........................................................137
12. RF Calibration .......................................... 139
12.1 Overview...............................................................139
12.2 Procedure.............................................................139
12.3 AGC......................................................................140
12.4 APC......................................................................140
12.5 ADC......................................................................140
13. EXPLODED VIEW & REPLACEMENT
PART LIST ................................................141
13.1 EXPLODED VIEW ...................................................141
13.2 Replacement Parts ................................................143
13.3 Accessory .............................................................166
