Filter
Top Products
- 3 -
Copyright © 2010 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. PERFORMANCE ...................................................................9
2.1 H/W Features .................................................................................... 9
2.2 Technical Specification ...............................................................11
3. TECHNICAL BRIEF .............................................................16
3.1 Baseband Processor Introduction .........................................16
3.2 Power Management ....................................................................21
3.3 FEM with integrated Power Amplifier Module
(RF7161, U301) ...............................................................................33
3.4 Crystal(26 MHz, X102) .................................................................36
3.5 RF Subsystem of PMB8810 (U102).........................................37
3.6 MEMORY(PF38F6066M0Y3DE, U102) ..................................42
3.7 BT module (U302) .........................................................................44
3.8 SIM Card Interface ........................................................................46
3.9 LCD Interface ..................................................................................47
3.10 Battery Charger Interface .......................................................50
3.11 Keypad Interface ........................................................................51
3.12 Audio Front-End .........................................................................53
3.13 Camera Interface(2M Fixed Focus Camera) .....................59
3.14 KEY BACLKLIGHT LED Interface ............................................61
3.15 Vibrator Interface .......................................................................62
4. TROUBLE SHOOTING .......................................................63
4.1 RF Component...............................................................................63
4.2 RX Trouble .......................................................................................64
4.3 TX Trouble ........................................................................................68
4.4 Power On Trouble .........................................................................72
4.5 Charging Trouble ..........................................................................75
4.6 Vibrator Trouble .............................................................................77
4.7 LCD Trouble .....................................................................................80
4.8 Camera Trouble .............................................................................84
4.9 Speaker Trouble ............................................................................88
4.10 Earphone Trouble ......................................................................90
4.11 Receiver Trouble .........................................................................92
4.12 Microphone Trouble .................................................................94
4.13 SIM Card Interface Trouble .....................................................
96
4.14 KEY backlight Trouble ..............................................................98
4.15 Micro SD (uSD) Trouble ......................................................... 100
4.16 Bluetooth Trouble ...................................................................102
4.17 FM Radio Trouble .................................................................... 104
5. DOWNLOAD ................................................................... 106
6. BLOCK DIAGRAM ........................................................... 119
7. CIRCUIT DIAGRAM ........................................................ 121
8. BGA PIN MAP ................................................................. 125
9. PCB LAYOUT ................................................................... 127
10.ENGINEERING MODE ................................................... 129
11. STAND ALONE TEST .................................................... 130
11.1 Introduction .............................................................................. 130
11.2 Setting Method ........................................................................ 130
11.3 Tx Test ........................................................................................... 133
11.4 Rx Test .......................................................................................... 135
12.AUTO CALIBRATION ..................................................... 137
12.1 Overview .................................................................................... 137
12.2 Configuration of HotKimchi ............................................... 137
12.3 Description of Basic File ....................................................... 138
12.4 Procedure ................................................................................... 139
12.5 AGC ............................................................................................... 142
12.6 APC ............................................................................................... 142
12.7 ADC ............................................................................................... 142
12.8 Target Power ............................................................................. 142
13 EXPLODED VIEW & REPLACEMENT
PART LIST ...................................................................... 143
13.1 EXPLODED VIEW ...................................................................... 143
13.2 Replacement Parts.................................................................. 145
13.3 Accessory ................................................................................... 163