LED TV has greatly improved compared with traditional LCD TVs in terms of dynamic contrast, color performance and energy saving. Especially in terms of energy consumption, the average energy consumption of LED TVs is reduced by more than 30% compared with traditional LCD TVs. According to the survey data of the Consumer Electronics Research Office of the China Electronics Chamber of Commerce, during the “11†Golden Holiday in 2009, LED TV products of 12 major brands such as Hisense, Samsung, Sharp, Changhong and Skyworth in China's color TV market have been listed one after another, totaling more than 50. The product has formed a certain product scale. The China Electronics Chamber of Commerce Consumer Electronics Survey Office expects LED TV sales in China to reach 4 million units in 2010, nearly four times more than in 2009, with a market share close to 20%.
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A cable tester is an electronic device used to verify the electrical connections in a cable or other wired assembly. Generally a cable tester consists of:
1.A source of electric current,
2.A volt meter,
3.A switching matrix used to connect the current source and the volt meter to all of the contact points in a cable.
In addition to these parts a cable tester may also have a microcontroller and a display to automate the testing process and show the testing results.
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