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Posted on Jan 02, 2017
SOURCE: sanyo lcd tv flat
I have researched this problem and it is so common we that own this piece of junk ought to form a class action suit and sue. It is caused by a bad part or bad connections to a part called a backlight inverter. It seems the LCD needs a higher voltage than supplied by the 12vdc power pack so this part re-chops the DC voltage to generate the LCD requirement.
The date of manufacture is on the back of these TVs and all the problems seem to be from those made in 2006 to 2008
Posted on May 05, 2009
OK you need a volt meter to check the voltage output of your power pack as two things cause this now enough power out the pack to run your unit or the unit has a short both problems will unlight the light so you need to know if the power supply is working right first as it should say like 120 volts AC in and 12 volts DC 1000 ma out so you will need to mesure this with a volt meter. this is a common problem loading the load of the curcuit as in your TV is mor the the power pack is giving out thus shorting out the power pack of any voltage present, as the little LED light your seeing only takes 5 volts at very ittle current to light and dose not repersent the total voltage output of the power pack itself
Posted on Jul 03, 2009
SOURCE: missing power cord 12v
go to radio shack get a 12 volt 1500ma power supply with I belive it is a N% plug end but any how 800 ma to 1500 ma should run this and the plug end is standard plug with plus 12 volts on the inner side and negitive on the outer case side look at the back of the TV or the old power supply it sould have info on voltags and amprage, and the plug as to inner voltage and outer voltage on the plug any old time radio shack or electronics shop should be able to help you bring in the flat screen if need be as if you know its 12 volts then It wont mater weather you use a 1000ma 1500ma 12 volt ubnaversale power pack as the tv will only use the current needed so more MA is good the only concrn you have is the right mini barrle plug and the right side of +/- voltage on that mini plug being most use + voltage in the inner most circle and - 12 volts on thje outer
Posted on Jul 03, 2009
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