Table Of Contents - LG KE590 Service Manual

1. Introduction ..................................... 5
2. Performance .................................... 6
2.1 Product Name ......................................... 6
2.2 Supporting Standard ................................6
2.3 Main Parts : GSM Solution...................... 6
2.4 HW Feature..............................................7
2.6 Technical Specification ..........................12
3. Circuit Description........................ 17
3.1 General Description .............................. 17
3.2 RF Part.................................................. 17
3.3 Digital Baseband....................................24
3.4 Analog Baseband.................................. 32
3.5 Bluetooth Interface................................ 40
4. TROUBLE SHOOTING .................. 43
4.1 RF Part Technical Brief......................... 43
4.2 RF Part Trouble shooting...................... 49
4.3 Bluetooth Trouble Shooting .................. 57
4.4 Baseband Part Troubleshooting ........... 61
4.5 LCD Display Trouble............................. 68
4.6 Camera Trouble Shooting..................... 73
4.7 Flash LED Trouble Shooting................. 79
4.8 SIM Detect Trouble Shooting................ 82
4.9 Slide Up/Down and Trouble Shooting... 85
4.10 Speaker/Receiver Trouble Shooting
(Common Path)................................... 87
4.11 Speaker/Receiver Trouble Shooting
(Acoustic Path).................................... 90
4.12 MIC Trouble Shooting ......................... 91
4.13 Ear-Mic Jack Detection
Trouble Shooting................................. 93
4.14 Ear-Mic Hook Detection
Trouble Shooting................................. 94
4.15 Ear-Mic Headset MIC Trouble
Shooting.............................................. 95
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Only for training and service purposes

Table of Contents

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4.16 Ear-Mic Headset HSOR/HSOL
Trouble Shooting..................................96
4.17 FM-Radio Trouble Shooting.................98
4.18 Transflash Trouble Shooting................99
4.19 Main Key Backlight LED Trouble
Shooting.............................................101
4.20 Slide Key Backlight LED Trouble
Shooting.............................................103
4.21 Vibrator Trouble Shooting ..................104
5. Downloading Software ............... 105
5.1 The purpose of downloading software 105
5.2 The Environment of Downloading
Software.............................................. 105
5.3 Download Procedure ...........................107
6. BLOCK DIAGRAM ....................... 114
7. CIRCUIT DIAGRAM ..................... 117
8. BGA IC Pin Check ....................... 127
8.1 MAIN TRANSCEIVER - B6PLD .........127
8.2 Bluetooth chip _ BRF6150 .................128
9. PCB LAYOUT ............................... 129
................................
10. RF Calibration
10.1 What's the Rx Calibration? .............. 139
10.2 What's the Tx Calibration? .............. 139
10.3 Calibration program - HOT_KIMCHI 140
11. EXPLODED VIEW &
REPLACEMENT PART LIST ..... 145
11.1 EXPLODED VIEW ............................ 145
11.2 Replacement Parts
<Mechanic component>.................... 147
<Main component> ........................... 150
11.3 Accessory ......................................... 165
139
LGE Internal Use Only