42” Class Razor LED Smart TV

MODEL NUMBER: M420SV Model Features:
  • Ultra-thin 2” profile
  • VIZIO Internet  Apps® (VIA)
  • Built-in WiFi (802.11n)
  • 1080p Full HD
  • Edge Lit Razor LED™ backlighting 
  • 120Hz Refresh Rate
  • 200,000:1 Dynamic Contrast Ratio
  • SRS StudioSound HD™
  • Four HDMI ports

  • Overview
  • Tech Specs
  • Customer Ratings
  • More Photos
  • Support

Product Overview

Slim. Stunning. HDTV.
Inch by spectacular inch, the 42” (42.02" Diag.) Edge Lit Razor LED™ LCD HDTV with VIZIO Internet Apps® delivers the ultimate Full HD experience and premium online entertainment in a razor-thin design. 1080p Full HD and 200,000 to 1 Dynamic Contrast Ratio render every image with amazing clarity, color and contrast, while its 120Hz refresh rate supplies smooth, super-sharp viewing for fast-action sports and movies. 

Internet TV: Unlimited Entertainment
VIZIO Internet Apps® with built-in WiFi puts VUDU™, NetFlix, HuluPlus™, Pandora and more right at your fingertips via the universal Bluetooth® remote’s full QWERTY keypad .You’ll have instant access to an almost unlimited library of movies, music, games and just about anything you can think of. Entertainment freedom indeed.

Optimal Viewing in Any Light
No matter your lighting arrangement, you’ll always have you the best picture possible thanks to built-in ambient light sensing technology that automatically adjusts backlight levels based on its surroundings. The result is a balanced picture that will never appear washed out or too bright.

Spectacular Surround Sound 
Treat yourself to a phenomenal entertainment experience. StudioSound HD™ provides immersive surround sound over stereo speakers, complete with deep bass and crisp high-frequency details. It also effectively levels abrupt volume fluctuations and delivers crystal clear dialog throughout programming. The end result — a complete and truly engaging theater experience over stereo speakers.

4 HDMI® Ports
Four HDMI® ports accommodate your home theater setup, Blu-ray® Player, HD cable or satellite TV, and gaming console to deliver Full HD entertainment at its finest.

Exceeds ENERGY STAR® 4.2 Guidelines
Conserve energy and the environment. This HDTV uses technology with remarkably low energy consumption that exceeds ENERGY STAR® 4.2 Guidelines so your energy bill and the planet are both better off.

Razor LED
Razor LED

Razor LED - VIZIO is the first to bring LED technology to smaller size LCD HDTVs! This Mercury Free, Energy Efficient, Razor Thin HDTV achieves a 200,000:1 Dynamic Contrast Ratio giving you deeper blacks and brighter whites - 450 nits brightness.

1080P Full HD

Full 1080p High Definition resolution gives you over 2 million pixels, making the clarity and detail of your picture razor sharp.  Learn More

SRS TruSurround HD™
SRS TruSurround HD

Delivers immersive virtual high definition surround sound.  Learn More

Ambient Lighting
Ambient Lighting

Energy efficient sensors auto-adjust brightness for the perfect picture regardless of room conditions.


Eco HD™- Exceeds the current ENERGY STAR® 4.2 Guidelines saving you money on your utility bills while limiting the impact on our planet.

Razor Thin Styling
Razor Thin Styling

Less than a 2” profile*, it’s simply amazing!



Dynamic Contrast Ratio
Dynamic Contrast Ratio

200,000:1 Dynamic Contrast Ratio delivers deeper blacks and brighter whites through contrast and dimensions.  Learn More

SRS TruVolume™
SRS TruVolume

Limits volume inconsistencies between programming.  Learn More

Mercury Free
Mercury Free

The display’s backlight is environmentally-friendly due to the fact that LED backlights do not utilize mercury, an environmentally harmful substance.

*Maximum depth 2.0”
**When TV is on

Product Description

Tech Specs

Class: 42"
Viewable: 42.02"
Backlight Type: Edge Lit LED
Resolution: 1080p
Colors: 16.7 million
Dynamic Contrast Ratio: 200,000:1
Refresh Rate: 120Hz
Response Time: 5ms
Viewable Angle (horizontal/vertical): 178 degrees


SRS StudioSoundHD™: Yes
SRS TruVolume™: Yes
Channels/Speaker Output: 2 x 10W


Connections - Inputs (REAR)
Component: 1 (shared w/ composite)
Composite: (shared with component)
Computer RGB: 1
Stereo Audio: 1
RF Connector for Internal Tuner: 1
Ethernet: 1 (10/100 Base –TX)


Connections - Inputs (SIDE)
HDMI with HDCP: 4
USB 2.0: 2


Connections - Outputs
Optical Digital Out (SPDIF): 1
Analog Audio Out: 1
Headphones: No


Multimedia Support
Music (MP3): Yes
Photo (JPEG): Yes
Video (MPEG): No


Additional Features
Smart Dimming: No
Smooth Motion: Yes
Picture-in-Picture (PIP): No
Ambient Light Sensor: Yes
Bluetooth: No
Wireless (WiFi): 802.11n Single-Band
Wireless HD (1.0): No
Theater 3D: No
Full HD 3D: No
Mercury Free: Yes
Remote Control: XRV1TV
Power Consumption: 66.6W
Stand-by Power: <1W


Gross: 42.1lbs
Net With Stand: 29.5lbs
Without Stand: 26.6lbs


With Stand: 39.4"W x 27.2"H x 9.0"D
Without Stand: 39.4"W x 25.0"H x 2.0"D
Packaging Dimensions: 48.4"W x 28.4"H x 6.9"D


Certifications CSA, CSA-US, FCC Class B, BQB, HDMI V1.4 incl CEC, ARC, VIZIO PQA. VIZIO AQA


Compliances Energy Star 4.2, ATSC Spec A/65, EIA/CEA-766-A


Wall Mount Specifications
Hole Pattern: 200(V)mm X 400(H)mm
Screw Size: M6
Screw Length: 1mm
Screw Pitch: 16mm


VIZIO Warranty One Year Parts & Labor; Free Lifetime Technical Support


VIZIO, Inc. has made every effort to ensure the accuracy of the information provided herein. All product specifications, functionality, features, configurations, performance, design and other product information described herein are subject to change without notice. VIZIO, Inc. disclaims liability for typographical, technical, or descriptive errors.

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Product Photos

42” Class Razor LED Smart TV | M420SV

Support Information

Product Downloads
User Manual Download PDF
Quick Start Guide Download PDF
VIZIO Internet Apps Chart View

Warranty Details

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