Introduction
This manual provides essential information for setting up, operating, and maintaining your VIZIO 40-inch D-Series Full HD 1080p Smart TV, Model D40f-J09. Please read these instructions carefully before using your television to ensure proper function and longevity.
What's in the Box
Verify that all components are present before proceeding with setup:
- VIZIO 40-inch D-Series Smart TV (Model D40f-J09)
- Power Cable
- Remote Control
- TV Stand (2 pieces)
- Screws for Stand Installation
- Quick Start Guide (this document serves as the full manual)

Figure 1: Included components and TV dimensions. This image displays the VIZIO D-Series television with its dimensions, a detailed view of the remote control, and a list of items included in the box: the TV, XRT140 Remote, Attached Power Cable, and User Manual.
Setup
1. Stand Installation
- Carefully place the TV screen-down on a soft, clean surface to prevent scratches.
- Align the stand pieces with the corresponding slots on the bottom of the TV.
- Secure the stands using the provided screws. Ensure they are tightened firmly.
2. Connecting Devices
Your VIZIO D-Series TV features multiple connectivity options:
- HDMI Ports (2 Total): Connect Blu-ray players, gaming consoles, cable/satellite boxes, and other HDMI-enabled devices.
- USB Port: For media playback from USB storage devices.
- Antenna/Cable Input: For connecting an antenna or cable TV feed.
- Ethernet Port: For a wired internet connection.
Connect the power cable to the TV and then to a power outlet.
3. Initial Power-On and Network Connection
- Press the Power button on the remote control or on the TV.
- Follow the on-screen prompts to select your language and region.
- Connect to your home Wi-Fi network by selecting your network name and entering the password. Alternatively, connect an Ethernet cable for a wired connection.
Operating Your VIZIO Smart TV
Basic TV Functions
- Power: Press the Power button on the remote to turn the TV on or off.
- Volume: Use the VOL +/- buttons to adjust the volume.
- Input: Press the INPUT button to cycle through connected sources (HDMI 1, HDMI 2, etc.).
- Menu: Access TV settings and options.
VIZIO SmartCast
Your VIZIO D-Series TV features VIZIO SmartCast, providing instant access to a wide selection of streaming services and apps. The IQ Picture Processor ensures faster navigation and quicker load times.

Figure 2: VIZIO SmartCast Home Screen. This image illustrates the user interface of the VIZIO Smart TV, showing a selection of popular streaming applications available for direct access.
- Accessing Apps: Navigate through the SmartCast home screen using the remote control to select and launch your favorite streaming applications such as Netflix, Disney+, YouTube, Apple TV, Prime Video, Hulu, and HBO Max.
- Chromecast Built-in: Cast content directly from your compatible smartphone, tablet, or computer to the TV. Ensure your device is on the same Wi-Fi network as the TV.
- Apple AirPlay: Stream content or mirror your Apple device's screen to the TV.
- Voice Control: The TV is compatible with Alexa, Apple HomeKit, and Google Assistant for voice control of connected devices.

Figure 3: Voice Assistant Compatibility. This image highlights the VIZIO TV's integration with popular voice assistants like Alexa, Apple HomeKit, and Google Assistant for convenient control.
V-Gaming Engine
The V-Gaming Engine automatically optimizes your gaming experience with features like Auto Game Mode, Variable Refresh Rate, and low input lag for responsive gameplay.
Picture Settings
Your TV features a Full Array LED Backlight for exceptional light uniformity and color consistency. Adjust picture settings (brightness, contrast, color, sharpness) through the TV's menu to suit your preferences.
Maintenance
- Cleaning the Screen: Gently wipe the screen with a soft, dry microfiber cloth. For stubborn marks, slightly dampen the cloth with water or a screen-safe cleaner (do not spray directly onto the screen).
- Cleaning the Cabinet: Use a soft, dry cloth to wipe the TV cabinet. Avoid abrasive cleaners or solvents.
- Ventilation: Ensure adequate airflow around the TV. Do not block ventilation openings.
- Power Cord: Regularly check the power cord for any damage.
Troubleshooting
| Problem | Possible Solution |
|---|---|
| No Power | Ensure the power cable is securely connected to both the TV and a working power outlet. Try a different outlet. |
| No Picture/Sound | Verify the correct input source is selected. Check all cable connections (HDMI, antenna). Restart connected devices. |
| Remote Control Not Working | Replace the batteries. Ensure there are no obstructions between the remote and the TV's IR sensor. |
| Cannot Connect to Wi-Fi | Check your Wi-Fi password. Restart your router and modem. Ensure the TV is within range of your Wi-Fi signal. Try a wired Ethernet connection. |
| SmartCast Apps Not Loading | Check your internet connection. Restart the TV. Ensure the TV's firmware is up to date. |
For further assistance, refer to the VIZIO support website or contact customer service.
Specifications
| Feature | Detail |
|---|---|
| Brand | VIZIO |
| Model Number | D40f-J09 |
| Screen Size | 40 Inches (102 cm diagonal) |
| Display Technology | LCD, Full Array LED Backlight |
| Resolution | 1080p Full HD |
| Aspect Ratio | 16:9 |
| Smart Features | VIZIO SmartCast, Chromecast Built-in, Apple AirPlay |
| Processor | IQ Picture Processor |
| Gaming Features | V-Gaming Engine (Auto Game Mode, Variable Refresh Rate, Low Input Lag) |
| Connectivity | 2 x HDMI, USB, Ethernet, Wi-Fi |
| Supported Internet Services | Netflix, Disney+, YouTube, Apple TV, Prime Video, Hulu, HBO Max, and more. |
| Product Dimensions (with stand) | 39.21" W x 24.25" H x 5.98" D |
| Item Weight | 12.4 Pounds |
| Color | Black |
Warranty and Support
For warranty information and customer support, please refer to the documentation included with your product or visit the official VIZIO website. The warranty period and terms may vary based on region and retailer.
Online Resources: For the latest software updates, FAQs, and detailed support, visit www.vizio.com/support.





