LG KM710 Service Manual - Page 4
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Table of Contents 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 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 141 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
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