Сервис мануал и схема телефона LG KE990; KE990C
Файл в формате PDFСодержание:
- 1. INTRODUCTION
- 1.1 Purpose
- 1.2 Regulatory Information
- 2. PERFORMANCE
- 2.1 Supporting Standard
- 2.2 Main Parts : Solution
- 2.3 HW Features
- 2.4 HW SPEC.
- 3. TECHNICAL BRIEF
- 3.1 General Description
- 3.2 GSM Mode
- 3.3 LO generation and distribution circuits
- 3.4 Off-chip RF Components
- 3.5 Digital Baseband (DBB/ESM6270)
- 3.6 Subsystem(ESM6270)
- 3.7 Power Block
- 3.8 External memory interface
- 3.9 H/W Sub System
- 3.10 Feature List
- 3.11 Multimedia Chip Interface
- 3.12 Touch Screen Interface
- 3.13 Main Features
- 3.14 Main Component
- 4. TROUBLE SHOOTING
- 4.1 RF Component
- 4.2 Main Component
- 4.3 Checking VCTCXO Block
- 4.4 Checking Front-End Module Block
- 4.5 Checking GSM Block
- 4.6 Power on trouble
- 4.7 SIM detect trouble
- 4.8 Key sense trouble (KEYPAD)
- 4.9 Keypad backlight trouble
- 4.10 Micro SD trouble
- 4.11 Audio trouble
- 4.12 Camera trouble
- 4.13 Main LCD trouble
- 4.14 Bluetooth trouble
- 4.15 Touch Screen trouble
- 5. DOWNLOAD
- 5.1 Introduction
- 5.2 Downloading Procedure
- 5.3 Troubleshooting Download Errors
- 5.4 Caution
- 6. BLOCK DIAGRAM
- 6.1 GSM RF Block
- 6.2 Interface Diagram
- 7. Circuit Diagram
- 8. BGM Pin Map
- 9. PCB LAYOUT
- 10. Calibration & RF Auto Test
- Program (Hot Kimchi)
- 10.1 Usage of Hot-Kimchi
- 11. EXPLODED VIEW &
- REPLACEMENT PART LIST
- 11.1 EXPLODED VIEW
- 11.2 Replacement Parts
- <Mechanic component>
- <Main component>
- 11.3 Accessory