What is the difference between 50hz and 60hz tv

When TV was started, the 50 fields per second was frequency locked to the public AC mains supply. When colour TV was introduced, with its precision colour subcarrier frequency, which had a direct relationship with the line and field clocks, it was necessary to fix thew field rate at 50Hz.

Many of the usually line sets around suddenly started showing moving ripples on the screen. They would rise or fall depending on whether the AC supply was above or below 50Hz. The cause, poor smoothing on power supplies and poor screening of sensitive circuits from adjacent AC lines within the set.

What's all this got to do with scrolling lines on a modern LCD set with a high frequency switch mode power supplies? Well, even modern SMPSs allow ripple onto their DC output lines, and there will be many spiky currents floating around printed circuit boards and wiring.

The manufacturers' designs allow the frequency to be optimised in test and determined by firmware settings before delivery. That seems why there is no real pattern of which models suffer. The earlier batch SQ01 may have a lower instance, but I suspect the problem is potentially in all sets, it just may not be visible to the owner.

I have a 'PA' set and so far have not seen any scrolling lines. Just a suggestion. Switch to 50Hz, try again, and it's almost as smooth as silk. I take it leaving the setting at 50Hz while playing 60Hz material will mean either faster playback or skipping frames? You must log in or register to reply here. Similar threads W. Replies 0 Views Aug 27, wns. Looking for a device to improve upscaling and picture quality on LG G1. Replies 4 Views Oct 9, Joe Fernand.

However, most 50 Hz panels support 60 Hz too, the only way to find out is to connect an input that outputs 60 Hz. In some cases, you can activate either game or sports mode on your TV to improve the refresh rate. How can a TV from 20 years ago be Hz? The reason for that is because the Hz used here is not the same as the Hz for refresh rate. The reason for that is the TV broadcast system and broadcasting standards, specifically the UK and Europe standards.

When plugged into a source that outputs 60 Hz, a 50 Hz TV should automatically switch to a 60 Hz refresh rate or 60 Hz mode. The reason for that is the TVs panel usually supports 60 Hz. However, if the panel is really limited to 50 Hz, the source will match it with an output of 50 Hz. For example, an old Xbox can output both 60 Hz, 50 Hz, and even 24 Hz, depending on what the display can support. Hz is not the same as FPS.

Each quick action is displayed smoothly. As a result, a Hz TV will display the fast games of these consoles even more smoothly. Older gaming consoles don't support a Hz refresh rate. If you play with these consoles, it doesn't matter if you have a 50Hz or Hz television. TV brands always have their own names and calculations for refresh rates.

That's why, for every TV, we communicate a general rating that's equal for every device. This is called the native Hertz rating. This way, you can easily compare TVs made by different brands. Business Stores Customer Service.

Home View all TVs. How much Hertz should my TV have? Written by Laurence 9 November How many Hertz should my TV have? While looking for a new television, it's important to pay attention to the Hertz rating Hz.