Table Of Contents - LG -A130 Service Manual

1. INTRODUCTION ..................................................................5
1.1 Purpose ............................................................................................... 5
1.2 Regulatory Information ............................................................... 5
1. Abbreviations ................................................................................... 7
2. PERFORMANCE ...................................................................9
2.1 H/W Features .................................................................................... 9
2.2 Technical Specification ...............................................................11
3. TECHNICAL BRIEF .............................................................16
.1 Baseband Processor Introduction .........................................16
.2 Power Management ....................................................................21
. FEM with integrated Power Amplifier Module
(RF7161, U04) ...............................................................................4
.4 Crystal(26 MHz, X100) .................................................................7
.5 RF Subsystem of PMB8810 (U102).........................................8
.6 MEMORY(PF8F5060M0YDF, U101) ...................................4
.7 BT module (U0) .........................................................................45
.8 SIM Card Interface ........................................................................47
.9 LCD Interface ..................................................................................48
.10 Battery Charger Interface .......................................................51
.11 Keypad Interface ........................................................................52
.12 Audio Front-End .........................................................................54
.1 Camera Interface(2M Fixed Focus Camera) .....................60
.14 KEY BACLKLIGHT LED Interface ............................................62
.15 Vibrator Interface .......................................................................6
.16 Folder SW Interface ...................................................................64
4. TROUBLE SHOOTING .......................................................65
4.1 RF Component...............................................................................65
4.2 RX Trouble .......................................................................................66
4. TX Trouble ........................................................................................70
4.4 Power On Trouble .........................................................................74
4.5 Charging Trouble ..........................................................................77
4.6 Vibrator Trouble .............................................................................79
4.7 LCD Trouble .....................................................................................82
4.8 Camera Trouble .............................................................................86
4.9 Speaker Trouble ............................................................................90
4.10 Earphone Trouble ......................................................................92
4.11 Receiver Trouble .........................................................................94
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Only for training and service purposes

Table Of Contents

4.12 Microphone Trouble .................................................................96
4.1 SIM Card Interface Trouble .....................................................98
4.14 KEY backlight Trouble ........................................................... 100
4.15 Micro SD (uSD) Trouble ......................................................... 102
4.16 FM Radio Trouble .................................................................... 104
4.17 Folder on/off Trouble ............................................................. 106
5. DOWNLOAD ................................................................... 108
6. BLOCK DIAGRAM ........................................................... 121
7. CIRCUIT DIAGRAM ........................................................ 123
8. BGA PIN MAP ................................................................. 129
9. PCB LAYOUT ................................................................... 131
10.ENGINEERING MODE ................................................... 137
11. STAND ALONE TEST .................................................... 138
11.1 Introduction .............................................................................. 18
11.2 Setting Method ........................................................................ 18
11. Tx Test ........................................................................................... 141
11.4 Rx Test .......................................................................................... 14
12.AUTO CALIBRATION ..................................................... 145
12.1 Overview .................................................................................... 145
12.2 Configuration of HotKimchi ............................................... 145
12. Description of Basic File ....................................................... 146
12.4 Procedure ................................................................................... 147
12.5 AGC ............................................................................................... 150
12.6 APC ............................................................................................... 150
12.7 ADC ............................................................................................... 150
12.8 Target Power ............................................................................. 152
13 EXPLODED VIEW & REPLACEMENT
PART LIST ...................................................................... 151
1.1 EXPLODED VIEW ...................................................................... 151
1.2 Replacement Parts.................................................................. 15
1. Accessory ................................................................................... 168
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