LG KE990, KE990C free download

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Service Manual Internal Use Only Service Manual KE990/KE990c Model : KE990/KE990c Date: April, 2008 / Issue 1.0 Table Of Contents 1. INTRODUCTION ... 5 4.12 Camera trouble ...118 1.1 Purpose... 5 4.13 Main LCD trouble ...121 1.2 Regulatory Information... 5 4.14 Bluetooth trouble...124 4.15 Touch Screen trouble...126 2. PERFORMANCE...7 5. DOWNLOAD ...127 2.1 Supporting Standard ...7 2.2 Main Parts : Solution...7 5.1 Introduction ...127 2.3 HW Features...8 5.2 Downloading Procedure...127 2.4 HW SPEC. ...10 5.3 Troubleshooting Download Errors ...142 5.4 Caution...147 3. TECHNICAL BRIEF ...15 6. BLOCK DIAGRAM ...148 3.1 General Description ...15 3.2 GSM Mode...17 6.1 GSM RF Block ...148 3.3 LO generation and distribution circuits...20 6.2 Interface Diagram ...150 3.4 Off-chip RF Components ...21 7. Circuit Diagram ...153 3.5 Digital Baseband (DBB/ESM6270) ...28 3.6 Subsystem(ESM6270) ...31 3.7 Power Block ...38 8. BGM Pin Map...163 3.8 External memory interface ...43 3.9 H/W Sub System...45 9. PCB LAYOUT ...169 3.10 Feature List ...61 3.11 Multime