The VIZIO D43fx-F4 is a 43-inch Class Full HD (1080p) Smart TV with Full Array LED backlight, 60Hz refresh rate, SmartCast platform for streaming apps like Netflix and Hulu, WatchFree+ free channels, built-in Wi-Fi, 3 HDMI ports (one with ARC), 1 USB media playback, DTS TruSurround audio, and ENERGY STAR certification. Powered by 120V AC, 60Hz. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.
WARNING! To reduce the risk of electric shock or fire: Switch off power before connecting components; do not expose to rain or moisture; do not block ventilation openings; operate on a grounded 120V outlet; unplug before servicing. Avoid using near water, heat sources, or with damaged cords. Unplug during lightning storms or extended non-use. Do not overload outlets or use extension cords. Ground antenna systems properly. Maintain at least 3 feet from heat sources; avoid smoke or moisture. Secure TV to prevent tip-over; use two people for installation. Clean with dry cloth only; unplug before cleaning; wait for condensation to clear after temperature changes. Insert batteries correctly; dispose properly. Exposure to loud sounds can damage hearing. Keep away from children; do not allow hanging on TV. Follow instructions for moving TV; unplug cords before moving. Do not defeat the polarized plug; protect power cord. Refer all servicing to qualified personnel.
Key components: Full Array LED panel, SmartCast interface, Remote with batteries, HDMI ports (3, incl. ARC), USB, Optical Audio Out, Coaxial, built-in Wi-Fi.
| Feature | Description |
|---|---|
| Screen Size | 43" Class (42.5" Diagonal) |
| Resolution | Full HD 1920x1080 |
| Refresh Rate | 60Hz |
| Smart Platform | SmartCast with Netflix, Hulu, WatchFree (100+ channels) |
| Audio | DTS TruSurround, 10W x 2 Speakers |
| Connectivity | 3 HDMI (ARC), 1 USB, Wi-Fi |
| Other | Parental Controls, Closed Captions, USB Media Playback |
Unpack and inspect contents. Place on stable surface or wall-mount using UL-listed bracket (M4 screws, 200x200mm VESA pattern, max weight 17.19 lbs without stand). Connect power to grounded 120V outlet. Attach devices via HDMI, component, coaxial, or USB.
Electrical: 120V, 60Hz; typical consumption 53.06W, <0.5W standby.
Power on TV; follow Setup App prompts. Select language (English/Français/Español), country (USA/Mexico/Canada), Wi-Fi network (enter password). Accept terms; scan channels.
CAUTION! Ensure stable network; use two people for handling.
Access via MENU button on remote. Adjust Picture (modes: Standard/Calibrated; Backlight, Contrast, etc.), Audio (Surround Sound, Equalizer, Lip Sync), Network (Wi-Fi/Ethernet setup, test connection), Channels (Auto scan), Timers (Sleep), Closed Captions, Parental Controls (PIN), System (Language, CEC, Reset).
Remote: Power, Input, Volume +/-, Navigation, OK, V (SmartCast), Closed Captions, Aspect Ratio.
Launch by pressing V button or selecting SmartCast input. Features: Browse/launch apps; stream in HD; use remote for apps like Netflix; cast from mobile; pause with app, control with voice via Google Home. Requires internet; update via menu.
Tip: Use SmartCast Mobile App for control and text entry.
Free live TV channels (100+ including news, movies, sports) without subscription. Launch via button; browse on-screen guide by genre, add favorites.
CAUTION! Content subject to availability; no subscriptions or recording.
Format USB as FAT32; supports MP3, JPEG, MPEG videos. Connect to USB port; TV auto-recognizes or select from SmartCast homepage. Browse/play music (artist/album), video (date/file), photos (thumbnails/slideshow).
WARNING! Remove USB only after powering off TV to prevent data loss.
System > Accessibility: Talk Back (text-to-speech in English, on/off); Speech Rate (slow/normal/fast); Zoom Mode (enlarge screen section 200%).
Unplug before cleaning. Wipe screen with dry, soft cloth; use mild soap/water for cabinet if needed. Avoid abrasives, solvents, or excess moisture. For moving, unplug and secure cables; use original packaging.
WARNING! Do not spray liquids on TV; keep ventilation clear.
FCC Class B compliant; use shielded cables. Operation subject to conditions: no harmful interference, must accept interference. Minimum 20 cm from body. Changes/modifications void authority. Canada: License-exempt RSSs; no protection basis. ICES-003 compliant. Dolby and DTS licensed technologies.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| No Signal | Wrong input, loose cable. | Press INPUT; scan channels; secure cables. |
| No Power | Outlet/cord issue. | Check outlet/cord; press power button. |
| No Image | Connections, settings. | Secure cables; adjust Brightness/Contrast; change input. |
| No Sound | Muted, low volume. | Unmute/increase volume; check audio settings. |
| Poor Colors | Settings/cables. | Adjust Color/Tint; reset picture; check cables. |
| Remote Not Working | Batteries/direction. | Replace AAA batteries; point at sensor; press one button at a time. |
Reset: System > Reset & Admin > Factory Reset (erases settings).
Service: support.vizio.com