Question about ViewSonic N3000W 30 in. HD-Ready LCD Television

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ViewsSonic n3000w sound working, but picture is not

My viewsonic n3000w LCD TV's picture is not working. I turn it on, it blinks the ViewSonic logo for about 1 second, then goes black. I cannot see anything, even the menus or volume controls. The sound works fine and I have tried all of the inputs. Through my research, I've found that either the inverter board is kaput, the powersupply could have problems, or that the inputs could be damaged. I am wondering how much the cost would be to have it diagnosed, and possibly how much the replacement parts would cost. Otherwise, it may meet it's fate on the parking lot 3 stories down. Thanks for all the help in advance!

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Your inverter is bad. i think there's 8 transformers.. one for each backlight.. one of them is sorted and is bad.. if you know something about electrics you can try to find one transformer or you can try to find the whole inverter.. good place for parts is http://www.lcdparts.net

Posted on Oct 30, 2008

  • nikosyr Nov 02, 2008

    Just got one n3000w in my hands that has the same problem.. i will try to fix the inverter. i'll post more after it works.

  • nikosyr Dec 07, 2008

    Hi. i got my viewsonic work. there were about 20 bad capacitors in the mainboard. you need ESR meter to measure which ones are "dead".. good cap has like 1ohm esr but rhere were about 10 caps that had 10-13ohm esr.. after i changed them it started to work.




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