LG GD350, Руководство по обслуживанию

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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. 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
(SKY7751, U400) ................................................................................4
.4 Crystal(26 MHz, X100) .................................................................6
.5 RF Subsystem of PMB8810 (U100).........................................7
.6 MEMORY(PF8F5060M0Y0BE, U101) ...................................42
.7 BT module .......................................................................................44
.8 SIM Card Interface ........................................................................46
.9 LCD Interface ..................................................................................47
.10 Battery Charger Interface .......................................................50
.11 Keypad Interface ........................................................................51
.12 Audio Front-End .........................................................................5
.1 Camera Interface(2M Fixed Focus Camera) .....................59
.14 KEY BACLKLIGHT LED Interface ............................................61
.15 Vibrator Interface .......................................................................62
.16 Folder SW Interface ...................................................................6
.17 Sub Display (LED Module) 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 .........................................................................95
4.12 Microphone Trouble .................................................................97
4.1 SIM Card Interface Trouble .....................................................99
4.14 KEY backlight Trouble ........................................................... 101
4.15 Micro SD (uSD) Trouble ......................................................... 10
4.16 Bluetooth Trouble ................................................................... 105
4.17 FM Radio Trouble .................................................................... 107
4.18 Folder on/off Trouble ............................................................. 110
4.19 LED Module Trouble .............................................................. 112
5. DOWNLOAD ...................................................114
5.1 S/W Download ............................................................................ 114
5.2 Download program user guide ........................................... 115
5. FlashTool Program Setting ..................................................... 116
6. BLOCK DIAGRAM ...........................................118
7. CIRCUIT DIAGRAM ........................................119
8. BGA PIN MAP .................................................123
9. PCB LAYOUT ...................................................125
10.ENGINEERING MODE ...................................131
11. AUTO CALIBRATION ....................................132
11.1 Overview .................................................................................... 12
11.2 Configuration of HotKimchi ............................................... 12
11. Description of Basic File ....................................................... 1
11.4 Procedure ................................................................................... 14
11.5 AGC ............................................................................................... 17
11.6 APC ............................................................................................... 17
11.7 ADC ............................................................................................... 17
11.8 Target Power ............................................................................. 17
12. EXPLODED VIEW & REPLACEMENT
PART LIST ....................................................139
12.1 EXPLODED VIEW ...................................................................... 19
12.2 Replacement Parts.................................................................. 141
12. Accessory ................................................................................... 158