Flat-panel Tv Quality Complaints Gradually Rise: Three Bags Of Alleged Absence Of The Standard -

"Vertical doors," "black gate" "

"Vertical doors," "black gate" "

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Door "... ... when the LCD, plasma and other different styles and models of TV is gradually filled with the consumer line of sight, followed by another is a" helpless and chaotic "disputes in the event of product quality.

Learned recently from the city of 12,365 complaints and reports, Centre for Quality Supervision Bureau was informed that the quality of this year, product-related TV

Complaints

Rising, especially the lack of standards, including the lack of a unified country LCD TV three packs of policy constraints, an objective for the handling of complaints brought many difficulties.

Focus 1: "Standard" Siyousiwu

Reporter found that the majority of TV quality complaints are always inseparable from the "standard" word. Lack of standards because the dispute, mainly TV there current sound, smell, color shell exists, leakage and other split-screen display. It is worth mentioning that the screen "bright spots" should be permitted within the standard and indeed affect the consumer's outstanding problems.

Experts said, causing the current TV issued a harsh sound may have several factors, including the transformer problems; line grounding disabilities; circuit board damp, resulting in leakage current; signal input mask bad, contact poor; congenital poor design, or circuit broke down, it will take to be confirmed by a professional inspection. The screen on the "bright spot" is actually relevant standard for

Plasma screen

LCD screen may appear the number of non-emitting defects and do not point out flaws have specific requirements.

"Smell" the TV is not very common, so-called "smell", mostly due to the circuit board overheating after new chemical substances or

Plastic

Taste. Phenolic board material, by heating would evaporate, and the addition of additives plastic shell is hard to say.

It is understood that the relevant standard can smell the light of domestic "

Electronic

Information Products Pollution Control Regulations. " This approach provides designers of electronic information products, electronic information products, to meet the technological requirements of the premise, to use non-toxic, harmless or low toxicity, low damage, degradation is easy, easy recycling program. Among them, six kinds of hazardous substances (mercury, lead) have the appropriate limits. However, this was far include materials harmful substances.

In addition, on TV jumps conversion sets the time interval is also a lack of relevant standards. Analog TV sets on the conversion time interval did not clearly defined. Digital television, the television program conversion sets the time interval recommended standards have been developed, but not yet published.

Focus 2: "concept" confused

Present, many TV manufacturers are constantly introduced a wide range of products "concept" high-definition TV,

Environmental protection

TV and so on to consumers dazzled.

What is HD TV? What is the resolution of high-definition TV? In fact, the clarity index is a composite indicator, it displays the brightness, contrast, white balance, color gamut coverage, static definition, motion picture has a certain relationship trailing time.

In general, 1366 768 resolution and above TV (monitor), there is no problem as long as the circuit design can achieve the requirements definition. 1280 720 resolution of the TV more reluctantly. Experts told reporters that "a simple formula, high-definition signal source + HD Receiver + HD monitor = HD television."

Often reflect the purchase of the TV as consumers in the supermarket, store in a clear display of the prototype. Experts point out that in the supermarket, manufacturers produced special effects for high-definition programs reflect the source (color more brilliant, more ease of moving pictures), so the prototype looks more clear, when the family watched, the signal source is only normal standard definition TV signals or general

DVD

Program source, the lack of effect of high-definition display.

by: gaga

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