1. Introduction
The Xiaomi Mijia Laser Projector ALPD 150 is an advanced ultra-short throw projector designed for home cinema entertainment. It utilizes an ALPD 3.0 laser light source to deliver Full HD 1080p resolution, with support for 4K media files. This projector offers a large display size, integrated speakers, and runs on the MIUI TV operating system, providing a comprehensive media experience.
Key features include a Quad-Core processor, 2GB RAM, 16GB internal storage, Dual-Band Wi-Fi, Bluetooth 4.0 connectivity, and support for 3D media. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your projector.
2. Safety Information
- Do Not Stare into Lens: The projector emits a powerful laser light. Avoid looking directly into the lens when the projector is operating to prevent eye damage.
- Proper Ventilation: Ensure adequate space around the projector for proper airflow. Do not block ventilation openings. Overheating can cause damage.
- Power Supply: Use only the specified power adapter and connect to a grounded power outlet.
- Liquid and Moisture: Keep the projector away from water or other liquids. Do not operate in high humidity environments.
- Cleaning: Disconnect power before cleaning. Use a soft, dry cloth. Avoid abrasive cleaners.
- Handling: Handle the projector with care. Avoid dropping or subjecting it to strong impacts.
- Servicing: Do not attempt to repair the projector yourself. Refer all servicing to qualified personnel.
3. Product Overview
The Xiaomi Mijia Laser Projector ALPD 150 features a sleek, minimalist design. The front panel typically houses the speaker grille, while the rear and sides contain various ports and ventilation openings.
An image showing the white Xiaomi Mijia Laser Projector from a front-right angle, with its black speaker grille visible on the front and a white remote control resting on its right side.
3.1 Components and Ports
- Projection Lens: Located on the top surface, designed for ultra-short throw projection.
- Speaker Grille: Front-facing for integrated audio output.
- Ventilation Openings: Located on the sides and/or rear to dissipate heat.
- Power Port: For connecting the power adapter.
- HDMI Ports: For connecting external video sources (e.g., Blu-ray player, game console).
- USB Port: For connecting USB storage devices or other peripherals.
- Audio Output: For connecting external audio systems.
- Remote Control: For navigating the projector's interface and functions.
4. Setup
4.1 Placement
- Place the projector on a stable, flat surface directly in front of the projection screen or wall.
- Due to its ultra-short throw design, the projector should be positioned very close to the projection surface. Refer to the on-screen guide during initial setup for optimal distance.
- Ensure there are no obstructions in the projection path.
4.2 Power Connection
- Connect the power adapter to the projector's power port.
- Plug the power adapter into a suitable electrical outlet.
- Press the power button on the projector or remote control to turn it on.
4.3 Remote Control Pairing
Upon first use or after replacing batteries, the remote control may need to be paired with the projector:
- Ensure the projector is powered on.
- Point the remote control towards the projector.
- Press and hold the designated pairing buttons (refer to the remote control's specific instructions, often a combination of 'OK' and 'Volume Down' or similar) until a pairing confirmation appears on the screen.
4.4 Initial Setup and Network Connection
- Follow the on-screen prompts for initial setup, including language selection and network configuration.
- Connect to your home Wi-Fi network using the Dual-Band Wi-Fi feature for internet access and streaming.
- Adjust focus and keystone correction as guided by the on-screen interface to achieve a clear and rectangular image.
5. Operating Instructions
5.1 Navigating MIUI TV OS
Use the remote control's directional pad and 'OK' button to navigate through the MIUI TV interface. The home screen provides access to installed applications, input sources, and settings.
5.2 Connecting External Devices
- HDMI: Connect external video sources (e.g., set-top boxes, gaming consoles) to the HDMI ports. Select the corresponding HDMI input from the projector's input menu.
- USB: Insert USB storage devices into the USB port to play local media files. Access these files through the media player application on the MIUI TV OS.
- Bluetooth: Pair Bluetooth devices such as external speakers, headphones, or a wireless keyboard/mouse via the Bluetooth settings menu.
5.3 Using Voice Assistant
The projector supports voice assistant functionality. Press the dedicated voice button on your remote control and speak your commands or queries. This can be used for searching content, controlling playback, or accessing system functions.
6. Maintenance
- Lens Cleaning: Gently wipe the projection lens with a soft, lint-free cloth specifically designed for optical surfaces. Do not use harsh chemicals or abrasive materials.
- Projector Body Cleaning: Use a soft, dry cloth to clean the exterior of the projector. For stubborn marks, a slightly damp cloth can be used, followed by a dry one.
- Ventilation: Regularly check that the ventilation openings are clear of dust and debris. Use a soft brush or compressed air to gently clean them.
- Storage: When not in use for extended periods, store the projector in a cool, dry place, protected from dust.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Power cable disconnected; power outlet issue | Check power cable connection; try a different outlet. |
| No image | Incorrect input source selected; external device off/disconnected | Select correct HDMI input; ensure external device is on and connected. |
| Image is blurry | Focus not adjusted; lens dirty | Adjust focus using the on-screen menu; clean the projection lens. |
| Remote control unresponsive | Batteries low/dead; remote not paired | Replace batteries; re-pair the remote control (refer to Section 4.3). |
| No Wi-Fi connection | Incorrect password; router issue; out of range | Verify Wi-Fi password; restart router; move projector closer to router. |
| Deformed image (e.g., top-right corner) | Internal optical alignment issue | Ensure projector is on a flat surface and keystone correction is applied. If issue persists, contact customer support. |
8. Specifications
- Brand: XIAOMI
- Model: ALPD 150
- Projection Technology: ALPD 3.0 Laser Light Source
- Native Resolution: 1920 x 1080 (Full HD)
- Maximum Supported Resolution: 1920 x 1080 (4K media files supported for playback)
- Brightness: Up to 5000 Lumens (manufacturer specification)
- Operating System: MIUI TV
- Processor: Quad-Core
- RAM: 2GB
- Internal Storage: 16GB
- Connectivity: Dual-Band Wi-Fi, Bluetooth 4.0
- Input Ports: HDMI, USB
- Special Features: Portable, Wireless, Voice Assistant, 3D Media Support
- Product Dimensions: 16.14 x 11.46 x 3.46 inches
- Item Weight: 15.43 pounds
- Date First Available: December 22, 2017
9. Warranty and Support
For warranty information, please refer to the warranty card included with your product or contact your point of purchase. For technical support or service inquiries, please visit the official XIAOMI support website or contact their customer service department.
