The LG AS995 is a professional service manual detailing technical specifications, disassembly procedures, troubleshooting guidelines, and repair instructions for the LG AS995 mobile device. This manual provides comprehensive information for qualified service technicians including circuit diagrams, component locations, test procedures, and safety precautions. Below are key sections covering safety, technical specifications, disassembly, troubleshooting, and repair procedures.
Essential safety guidelines for service technicians working on the LG AS995 device.
| Precaution | Description |
|---|---|
| ESD Protection | Always use anti-static wrist strap and mat |
| Power Disconnect | Remove battery before servicing |
| Component Handling | Handle delicate components with care |
| Tool Safety | Use appropriate tools for each procedure |
| Battery Safety | Follow proper battery handling procedures |
| LCD Handling | Avoid pressure on LCD screen |
| Heat Application | Use controlled heat for component removal |
| Chemical Safety | Follow MSDS for all cleaning chemicals |
| Workspace | Maintain clean, organized work area |
| Documentation | Follow procedures exactly as specified |
Complete technical specifications and operating parameters for the LG AS995.
Step-by-step disassembly instructions for the LG AS995 device.
WARNING! Follow ESD precautions. Document screw locations and connector positions.
Detailed component identification and location guide.
| Component | Location | Reference |
|---|---|---|
| Main Processor | Center of main board | U100 |
| Power Management IC | Upper left main board | U201 |
| RAM Memory | Stacked with processor | U101 |
| Flash Memory | Adjacent to processor | U102 |
| RF Transceiver | Lower right main board | U301 |
| Audio Codec | Near audio jack | U401 |
| Camera Connectors | Top left main board | J501, J502 |
| Display Connector | Center bottom main board | J601 |
| Battery Connector | Lower left main board | J701 |
| Charging Port | Bottom edge main board | J801 |
Complete schematic diagrams for all major circuits.
Note: All diagrams include component values and test points.
Comprehensive testing procedures for all device functions.
Systematic troubleshooting procedures for common issues.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| No power | Battery, power circuit | Check battery voltage; test power management IC |
| No display | LCD, display circuit | Test display connector; check LCD driver IC |
| No charging | Charging port, circuit | Inspect charging port; test charging IC |
| No network | RF circuit, antenna | Check antenna connections; test RF transceiver |
| No audio | Speaker, audio circuit | Test audio codec; check speaker connections |
| Camera failure | Camera module, circuit | Test camera connectors; check camera IC |
| Overheating | Processor, power circuit | Check thermal paste; test power consumption |
| Random shutdown | Battery, power management | Test battery health; check power management IC |
Detailed repair procedures for common component replacements.
CAUTION! Follow proper ESD procedures. Use recommended tools and techniques.
Complete list of replacement parts and components.
| Part Number | Description | Quantity |
|---|---|---|
| EAS995001 | Main Board Assembly | 1 |
| EAS995002 | LCD Display Assembly | 1 |
| EAS995003 | Battery 3000mAh | 1 |
| EAS995004 | Rear Camera Module 16MP | 1 |
| EAS995005 | Front Camera Module 8MP | 1 |
| EAS995006 | Charging Port Assembly | 1 |
| EAS995007 | Speaker Assembly | 1 |
| EAS995008 | Housing Assembly | 1 |
| EAS995009 | Flex Cable Set | 1 |
| EAS995010 | Screw Kit | 1 |
Device calibration and adjustment procedures.
Recommended tools and equipment for servicing the LG AS995.
Note: Use only approved tools to avoid damage to components.