Table Of Contents - LG KM710 Service Manual

1. Introduction ..................................... 7
1.1 Purpose................................................... 7
1.2. Regulatory Information........................... 7
1.3 Abbreviations .......................................... 9
2. General Performance.................... 10
2.1 Product Name ....................................... 10
2.2 Supporting Standard ............................. 10
2.3 Main Parts: GSM Solution..................... 10
2.4 HW Feature........................................... 11
2.5 S/W Features .........................................13
3. HW Circuit Description................. 16
3.1 General Description .............................. 16
3.2 RF Part.................................................. 16
3.3 Digital Baseband................................... 22
3.4 Multimedia IC ........................................ 29
3.5 Analog Baseband.................................. 32
3.6 Bluetooth Interface.................................38
4. Trouble Shooting .......................... 42
4.1 RF Part Technical Brief......................... 43
4.2 RF Part Trouble shooting...................... 46
4.3 Bluetooth Trouble Shooting .................. 53
4.4 Baseband Part Troubleshooting ........... 56
4.5 LCD Display Trouble shooting .............. 64
4.6 Camera Trouble Shooting..................... 69
4.7 Wheel Module Trouble Shooting........... 73
4.8 SIM Detect Trouble Shooting................ 76
4.9 Slide Up/Down Trouble Shooting.......... 79
4.10 Speaker/Receiver Trouble Shooting
(Common Path)................................... 81
4.11 Speaker/Receiver Trouble Shooting
(Acoustic Path).................................... 84
4.12 MIC Trouble Shooting ......................... 85
4.13 Ear-Mic Jack Detection
Trouble Shooting................................. 87
4.14 Ear-Mic Hook Detection
Trouble Shooting................................. 88
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Only for training and service purposes

Table of Contents

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4.15 Ear-Mic Headset MIC
Trouble Shooting................................. 89
4.16 Ear-Mic Headset HSOR/HSOL
Trouble Shooting................................. 90
4.17 FM-Radio Trouble Shooting................ 91
4.18 Transflash Trouble Shooting............... 93
4.19 Main Key Backlight LED Trouble
Shooting.............................................. 95
4.20 Slide LCD Backlight LED
Trouble Shooting................................. 97
4.21 Vibrator Trouble Shooting ....................99
5. Download..................................... 100
5.1 Download Software............................. 100
5.2 The Environment of Downloading
Software.............................................. 100
5.3 Download Procedure ...........................102
6. Block Diagram............................. 109
7. CIRCUIT DIAGRAM...................... 111
8. BGA IC Pin Check ........................125
9. PCB LAYOUT ............................... 131
.......................................
10. Calibration
10.1 What's the Rx Calibration? .............. 141
10.2 What's the Tx Calibration? .............. 141
10.3 Calibration program-HOT_KIMCHI ..142
11. Engineering Mode ......................147
12. EXPLODED VIEW &
REPLACEMENT PART LIST ..... 151
12.1 EXPLODED VIEW ............................ 151
12.2 Replacement Parts
<Mechanic component>.................... 153
<Main component> ........................... 156
12.3 Accessory ......................................... 173
141
LGE Internal Use Only