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94cm LCD TVs review

A large-screen TV may look impressive, but it might not be ideal for your room.
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06.Tuner and power performance

Digital tuner performance

Digital tuners pick up the signal from free-to-air digital broadcasts. They tend to deliver either a very good picture, nothing, or an image so badly broken up that it’s unwatchable. So it’s important to know how they’ll perform in difficult circumstances.

Even the poorest tuners in this test will handle most problems. The lower scoring models are likely to have a problem in particularly difficult circumstances, such as where there’s a lot of electrical equipment in use nearby.

They’re all high definition tuners which means they can accept and display both high and standard definition (SD) channels. Some free-to-air broadcasters are introducing different programs on their HD and SD channels, so an HD tuner has some advantage over an SD in that it gives you some more choice of programs, as well as higher resolution and better sound quality.

How much power do they use?

Although the amount of energy used by each TV when on standby is small, it adds up quickly across the nation. The more we can reduce the constant load on the electricity grid the less demand there will be for base load power.

The new standard for measuring TV energy consumption when in use requires “out of the box” settings, so our power consumption figures in the table take this into account. LCD generally consume less power than plasma TVs of the same size, but there’s a clear indication that higher resolution will mean more power use when running. Although the increase isn’t great, it’s yet another reason not to spend extra on resolution you don’t need.


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