Question about Televison & Video
Have no picture or volume but has power can't even change channel or turn volume up or down manualy
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Posted on Jan 02, 2017
its the problem of blown capacitors on rthe main board just check out the faulty ones with the help of multimeter and get it replaced.
Posted on Dec 10, 2008
there a problem on power side.. chage the ic and the resistor going to ic and check also the signal diode.
Posted on Jan 03, 2009
SOURCE: only vizio light on
RJW34 I have a 37" Viizio LCD that has a similar problem. I power it up and I get a lit screen but it's blank. No controls work except power on and off.
Posted on Feb 20, 2009
Most likely the TV has a Mother board related issue. Your TV is just like a computer. When it freezes up, nothing responds and you have to pull the plug to turn it off.
But, I can't say it's 100% the problem because I can't actually look at the tv over the internet.
If by chance the TV is still under warranty, go that route.
If not under warranty and If you have some electronic experience, if you can find and purchase a Service Manual over the internet; It will help you diagnose the source of the problem and fix it by soldering in the new part or replace the whole circuit board. The Service Manual will give you circuit diagrams, test points, and part# lists.Service manual cost about under $20. Most cases the new part cost less than $15. New circiut board, depending on type, may cost about $125.
I hope I shed some light on the subject for you.
Posted on Jul 08, 2009
go into programming mode and search for channels it will do this automatically to find all antennae and all cable channels if this is hooked up to a receiver box then only channel 3 will be found or used also most tvs are computerized these days and at times it will need to 'rebooted' unplug the power and wait 10 seconds and plug it in again this may have to be done whenever you are locked out from changing channels or using the volume controls
Posted on Nov 05, 2009
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