Introduction
Thank you for choosing the Sinix 65-inch Smart Android QLED TV, Model 65Q51. This manual provides essential information for the safe and efficient use of your television. Please read these instructions carefully before operating the device and retain them for future reference.
This television combines a vibrant QLED display with the versatility of the Android operating system, offering a rich viewing experience with 4K resolution and HDR support. It also includes an integrated receiver for convenience.
Safety Information
Always follow basic safety precautions when using this television to reduce the risk of fire, electric shock, and injury.
- Do not expose the TV to rain or moisture.
- Do not open the cabinet; refer all servicing to qualified personnel.
- Ensure proper ventilation around the TV.
- Keep the TV away from direct sunlight and heat sources.
- Use only the power cable and accessories provided by the manufacturer.
Setup
1. Unpacking
Carefully remove the TV and all accessories from the packaging. Retain the packaging materials for future transport or servicing.
2. Attaching the Stand
Place the TV screen-down on a soft, flat surface to prevent scratches. Align the TV stands with the designated slots on the bottom of the TV and secure them with the provided screws. Ensure the stands are firmly attached before placing the TV upright.

Image: Front view of the Sinix 65-inch QLED TV with its stands attached, showcasing a vibrant image on the screen.
3. Connecting Peripherals
Connect your devices to the appropriate ports on the TV. Refer to the image below for port locations.
- Power Cable: Connect the power cable to the TV's power input and then to a wall outlet.
- HDMI Devices: Use HDMI cables to connect devices like Blu-ray players, gaming consoles, or set-top boxes.
- USB Devices: Insert USB drives for media playback or software updates.
- Antenna/Cable: Connect your antenna or cable TV feed to the RF input.

Image: Side profile of the TV highlighting the accessible HDMI and USB ports.

Image: Rear view of the TV, illustrating the full array of input/output ports and VESA mounting points.
4. Initial Power On
After connecting all necessary cables, plug the TV into a power outlet. Press the power button on the remote control or on the TV itself. Follow the on-screen instructions to complete the initial setup, including language selection, network connection, and channel scanning.
Operating
1. Remote Control Overview
The remote control allows you to access all TV functions. Familiarize yourself with the buttons for power, volume, channel, input selection, and smart TV navigation.
2. Basic Functions
- Power: Press the Power button to turn the TV on or off.
- Volume: Use the Volume Up/Down buttons to adjust the sound level.
- Channel: Use the Channel Up/Down buttons to change channels.
- Input: Press the Input button to select different sources (HDMI, USB, TV).
3. Smart TV Features (Android TV)
Your Sinix TV runs on Android TV, providing access to a wide range of apps and services. Connect your TV to the internet via Wi-Fi or Ethernet to utilize these features.

Image: The TV screen showing the Android TV interface with popular streaming applications.
- Home Screen: Press the Home button on your remote to access the Android TV home screen, where you can find installed apps, recommended content, and settings.
- Apps: Navigate to the 'Apps' section to browse and download new applications from the Google Play Store.
- Google Assistant: Use the built-in Google Assistant for voice commands, search, and smart home control.
- Browser: Access the internet using the integrated web browser.
4. Picture and Sound Settings
Access the TV's settings menu to customize picture and sound preferences. Adjust brightness, contrast, color, and sound modes to suit your viewing environment.
Maintenance
1. Cleaning the Screen
Gently wipe the screen with a soft, dry microfiber cloth. For stubborn marks, lightly dampen the cloth with water or a specialized screen cleaner. Never spray liquid directly onto the screen.
2. General Care
- Unplug the TV from the power outlet before cleaning or when not in use for extended periods.
- Avoid placing heavy objects on top of the TV.
- Keep the TV away from extreme temperatures and humidity.
Troubleshooting
If you encounter issues with your TV, refer to the following common problems and solutions:
| Problem | Possible Solution |
|---|---|
| No Power | Check if the power cable is securely connected to both the TV and the wall outlet. Ensure the outlet is functional. |
| No Picture, but Sound is Present | Verify the correct input source is selected. Check HDMI cable connections. Try restarting the TV. |
| No Sound, but Picture is Present | Check the volume level and ensure the TV is not muted. Verify audio cable connections for external devices. |
| Remote Control Not Working | Replace the batteries in the remote control. Ensure there are no obstructions between the remote and the TV's IR sensor. |
| Cannot Connect to Wi-Fi | Ensure your Wi-Fi router is on and working. Re-enter the Wi-Fi password carefully. Try restarting both the TV and the router. |
Specifications
| Feature | Detail |
|---|---|
| Brand Name | Sinix |
| Model Number | 65Q51 |
| Manufacturer | Transsion Group |
| Screen Size | 65 inches |
| Display Technology | QLED, LED |
| Resolution | 4K |
| Special Features | Smart Android TV, HDR, Integrated Receiver, Wi-Fi |
| Connectivity Technology | USB |
| Supported Internet Services | Google TV, Web Browser |
| Product Dimensions (DxWxH) | 30.1 x 144.9 x 89.4 cm |
| Item Weight | 20.5 kg |
| Included Components | Power cable, Remote control, Stand |
Warranty and Support
Your Sinix TV comes with a manufacturer's warranty. Please refer to the warranty card included in your product packaging for detailed terms and conditions. For technical support, service, or further inquiries, please contact your local Sinix customer service center or visit the official Sinix website.
Keep your purchase receipt as proof of purchase for warranty claims.