Why do I see “noise” or “trash” on the screen of my Vizio LCD TV?
- MMr. Ryan BrownSep 10, 2025
When your Vizio LCD TV's digital capabilities exceed a digital broadcast signal, the signal is up-converted, which can cause noise or trash on the screen.

Why do I see “noise” or “trash” on the screen of my Vizio LCD TV?
When your Vizio LCD TV's digital capabilities exceed a digital broadcast signal, the signal is up-converted, which can cause noise or trash on the screen.
Why does the volume change when I switch inputs on my Vizio L37?
The Vizio LCD TV remembers the volume level from the last time you used a particular input (AV1, AV2, Analog HD, Digital HD, and TV).
Why does the screen size change when I switch inputs on my Vizio LCD TV?
The Vizio LCD TV remembers the viewing mode from the last time you used a particular input (AV1, AV2, Analog HD, Digital HD, and TV).
Why does my Vizio LCD TV have pixels that are always bright, dark, or colored?
Your Vizio LCD TV is manufactured using high-precision technology. Pixel defects within industry specifications are inherent and do not mean the product is defective.
| Screen Size | 37 inches |
|---|---|
| Display Technology | LCD |
| Resolution | 1366 x 768 |
| Aspect Ratio | 16:9 |
| Response Time | 8 ms |
| Brightness | 500 cd/m2 |
| Inputs | HDMI, Component, Composite, VGA, RF |
| Speakers | 2 x 10W |
| Viewing Angle | 178° (horizontal), 178° (vertical) |
Read and follow safety instructions for product installation, use, and maintenance to prevent hazards.
Description of buttons and indicators on the front panel of the VIZIO LCD TV.
Explanation of various input and output ports located on the rear of the VIZIO LCD TV.
Overview of the VIZIO universal remote, its buttons, and basic functions.
Guidance on selecting the best video connection type (HDMI, Component, etc.) for optimal display.
Steps for connecting a DVD player using various interfaces like HDMI, Component, S-Video, and Composite.
Configuring the Digital TV tuner for auto scan, manual scan, and channel skipping.
Setting up parental controls and blocking channels based on TV and movie ratings.
Detailed steps for enabling parental lock, setting TV/movie ratings, and blocking content.
Solutions for common problems like no power, no sound, picture issues, and remote control malfunctions.
Contact information and procedures for obtaining VIZIO customer support and warranty service.