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Copyright © 011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Table Of Contents
1. INTRODUCTION ..................................................................... 3
1.1 Purpose ........................................................................................................3
1. Regulatory Information .........................................................................3
1.3 Abbreviations.............................................................................................5
2. PERFORMANCE ...................................................................... 7
.1 Product Name ............................................................................................7
. Technical Specification ...........................................................................9
3. TECHNICAL BRIEF ................................................................ 14
3.1 Digital Main Processor ......................................................................... 14
3. Power Management ............................................................................ 19
3.3 FEM with integrated Power Amplifier Module
(RF7161, U401) ....................................................................................... 31
3.4 Crystal(6 MHz, X100) ......................................................................... 33
3.5 RF Subsystem of PMB8810 (U10) ................................................. 34
3.6 MEMORY(PF38F5066M0Y3DE, U101) ........................................... 39
3.7 WiFi module ............................................................................................. 41
3.8 SIM Card Interface ................................................................................. 43
3.9 LCD Interface ........................................................................................... 44
3.10 Battery Charger Interface ................................................................ 47
3.11 Keypad Interface ................................................................................. 48
3.1 Audio Interface .................................................................................... 50
3.13 Camera Interface(M Fixed Focus Camera) ............................. 56
3.14 Touch Interface .................................................................................... 58
3.15 Vibrator Interface ................................................................................ 59
4. TROUBLE SHOOTING .......................................................... 61
4.1 RF Component ....................................................................................... 61
4. RX Trouble ................................................................................................ 6
4.3 TX Trouble ................................................................................................. 66
4.4 Power On Trouble .................................................................................. 70
4.5 Charging Trouble ................................................................................... 73
4.6 Vibrator Trouble ..................................................................................... 75
4.7 LCD Trouble ............................................................................................. 78
4.8 Camera Trouble ...................................................................................... 8
4.9 Speaker / Receiver Trouble ................................................................ 86
4.10 Earphone Trouble ............................................................................... 89
4.11 Microphone Trouble .......................................................................... 9
4.1 SIM Card Interface Trouble .............................................................. 94
4.13 Micro SD (uSD) Trouble .................................................................... 96
4.14 Bluetooth Trouble ............................................................................... 98
4.15 FM Radio Trouble ..............................................................................101
4.16 Touch trouble .....................................................................................104
5. DOWNLOAD .......................................................................107
6. BLOCK DIAGRAM ...............................................................120
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. Setting Method .................................................................................130
11.3 Tx Test ....................................................................................................133
11.4 Rx Test ....................................................................................................134
12. AUTO CALIBRATION ........................................................135
1.1 Overview ..............................................................................................135
1. Configuration of HotKimchi .........................................................135
1.3 Description of Basic File .................................................................136
1.4 Procedure .............................................................................................137
1.5 AGC .........................................................................................................140
1.6 APC .........................................................................................................140
1.7 ADC .........................................................................................................140
1.8 Target Power .......................................................................................140
13. EXPLODED VIEW & REPLACEMENT PART LIST .............141
13.1 EXPLODED VIEW ................................................................................141
13. Replacement Parts ...........................................................................14
13.3 Accessory .............................................................................................159