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Akiko Hime
Today i was canvassed for an LED TV. I noticed that they put wattage values for the various TVs on display. For example the 75" Samsung TV had a power consumption of 270 KWH a year. Does that REALLY mean that if i let the TV run NON-STOP for 365 days, consume only 270 KWH? Is that the same NON-STOP usage implication for washing machines or any other appliance?
Answer
The math does not add up. 365 days == 8760 hours ==> 270 KWH/year ==~ 30.8 W hours, which sounds too low, for a 75" TV. The manufacturer has likely taken the typical (average) number of hours one is likely to watch TV and has multiplied KWH rating by that number. KWH is a better rating; that is until they standardize that KWH/year means what exactly. But even in KWH, one would have to do some averaging - the power consumption of a TV would, to a degree, depend on the kind of things you are watching, sound levels etc.
I find it rather strange that Samsung fails to mention the power rating on the full specs for the TV on their web site - http://www.samsung.com/us/video/tvs/UN75ES9000FXZA-specs. I then tried Sony and they do list the max power consumption - 170 W for a 60" TV, which is 1489 KW per year, if you leave the TV turned ON for full year AND the TV is consuming full power all the time. I doubt that the Samsung TV would that much more efficient, that for a bigger TV it would have 270 KWH a year. http://store.sony.com/webapp/wcs/stores/servlet/ProductDisplay?catalogId=10551&storeId=10151&langId=-1&productId=8198552921666479232#specifications.
The math does not add up. 365 days == 8760 hours ==> 270 KWH/year ==~ 30.8 W hours, which sounds too low, for a 75" TV. The manufacturer has likely taken the typical (average) number of hours one is likely to watch TV and has multiplied KWH rating by that number. KWH is a better rating; that is until they standardize that KWH/year means what exactly. But even in KWH, one would have to do some averaging - the power consumption of a TV would, to a degree, depend on the kind of things you are watching, sound levels etc.
I find it rather strange that Samsung fails to mention the power rating on the full specs for the TV on their web site - http://www.samsung.com/us/video/tvs/UN75ES9000FXZA-specs. I then tried Sony and they do list the max power consumption - 170 W for a 60" TV, which is 1489 KW per year, if you leave the TV turned ON for full year AND the TV is consuming full power all the time. I doubt that the Samsung TV would that much more efficient, that for a bigger TV it would have 270 KWH a year. http://store.sony.com/webapp/wcs/stores/servlet/ProductDisplay?catalogId=10551&storeId=10151&langId=-1&productId=8198552921666479232#specifications.
How to fix burn in in a led tv?
Hung
My sony 3d led tv's got a long line of burn in on the left side, I tried to clean it with led screen cleaning solution but no luck. Is there any way that I can fix this?, thanks
Answer
What you have is dead pixel and not burn in. I have never had any luck buying any Sony products at all. I purchase a 32" CRT tv in the 90's and that only lasted less than 3 years, then the first HDTV in the market a 34" HDTV from Sony. That also did not last more than 3 years. 2 DVD players when they first came out model 7000 and 7700 both at over $1,100 each and that also did not last over 3 years. They do not have a very good customer service support, they will just refer you to an authorized repair shop. If you read yahoo questions, you can read many problems from other customer with Sony product problems. My first Plasma tv from Pioneer purchased in 2002 is still running. Also have 4 other Panasonic Plasma tv and no problems. First generation blu ray disc player from Panasonic which is now over 4 years old and played over 300 blu ray disc movies without any problems. You may try calling or email Sony and see what they say. Hope this will help you out.
What you have is dead pixel and not burn in. I have never had any luck buying any Sony products at all. I purchase a 32" CRT tv in the 90's and that only lasted less than 3 years, then the first HDTV in the market a 34" HDTV from Sony. That also did not last more than 3 years. 2 DVD players when they first came out model 7000 and 7700 both at over $1,100 each and that also did not last over 3 years. They do not have a very good customer service support, they will just refer you to an authorized repair shop. If you read yahoo questions, you can read many problems from other customer with Sony product problems. My first Plasma tv from Pioneer purchased in 2002 is still running. Also have 4 other Panasonic Plasma tv and no problems. First generation blu ray disc player from Panasonic which is now over 4 years old and played over 300 blu ray disc movies without any problems. You may try calling or email Sony and see what they say. Hope this will help you out.
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Title Post: What duration is used to calculate the power consumption of an appliance?
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Author: Yukie
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