The VIZIO D48-D0 is a 48-inch Class 4K UHD Smart LED 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), 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 | 48" Class (47.6" Diagonal) |
| Resolution | 4K UHD 3840x2160 |
| Refresh Rate | 60Hz |
| Smart Platform | SmartCast with Netflix, Hulu, etc. |
| Audio | DTS TruSurround, 20W x 2 Speakers |
| Connectivity | 3 HDMI (ARC), 1 USB, Wi-Fi |
| Other | WatchFree+, Full Array Backlight |
Unpack and inspect contents. Place on stable surface or wall-mount using VESA 300x200mm pattern (M6 screws, max weight 25.35 lbs without stand). Connect power to grounded 120V outlet. Attach devices via HDMI, composite, coaxial, or USB.
Electrical: 120V, 60Hz; typical consumption 80W, <0.5W standby.
Power on TV; follow Setup App prompts. Select language (English/Français/Español), country, Wi-Fi network (enter password) or Ethernet. Set TV name; scan channels; accept terms.
CAUTION! Ensure stable network; restart if setup hangs.
Access via MENU button on remote. Adjust Picture (Standard/Calibrated/Vivid/Game modes; Backlight, Contrast, Color Temperature), Audio (Surround Sound, Volume Leveling, Equalizer), Network (Wi-Fi/Ethernet setup, test connection), Channels (Auto scan), Timers (Sleep, Auto Power Off), Closed Captions, Parental Controls (PIN-based), System (Language, CEC, Reset).
Remote: Power, Input, Volume +/-, Navigation, OK, V (SmartCast), Closed Captions, Aspect Ratio.
Launch via dedicated button or Input menu. Browse streaming apps (Netflix, Hulu, Amazon Prime), mirror devices, rearrange apps, voice control with Google Assistant. 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; select from SmartCast Home or inputs. Browse/play music (artist/album), video (date/file), photos (thumbnails/slideshow).
WARNING! Remove USB only after powering off TV to avoid damage.
Menu > System > Accessibility: Talk Back (speech for settings), Speech Rate (Slow/Normal/Fast), Zoom Mode (200%), Video Description (narrated action). Enable Closed Captions via CC button/menu. Hold CC for 5 seconds to access menu.
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. ICES-003 for Canada. Indoor use; maintain 20cm separation. Dispose batteries/product per local regulations; recycle at VIZIO.com/environment. ENERGY STAR: Default settings qualify.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| Remote not responding | Low batteries, improper aim. | Replace AAA batteries; point at TV sensor. |
| 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/sound | Cables loose, settings off. | Secure cables; adjust brightness/contrast/volume; check audio settings. |
| Colors wrong | Picture settings. | Adjust color/tint; select Calibrated mode. |
| Distorted picture | Interference. | Move from appliances; secure cables. |
| Aspect ratio wrong | System setting. | Menu > System > Aspect Ratio (Normal, etc.). |
| Missing channels | No scan. | Scan channels; check antenna. |
| Wi-Fi issues | Password/signal. | Menu > Network; re-enter password; unplug Ethernet. |
Reset: Menu > System > Reset & Admin > Soft Power Cycle or Factory Reset (erases settings).
Service: support.vizio.com or 1-844-254-8087