Facing TV Problems? Ask a TV Technician.
Hi , I`m Jack Perhaps I can help you with this problem but first a few questions , let me know when you`re ready ?Also ,could you please give me the tv`s model number ?
E420VA perhaps ?
O.k then on this tv there are 4 HDMI input on the rear side (vertical) and component inputs at the lower back , which input are you using ?
HDMI or component color coded cables ?
o.k then your tv needs to be set on channel 3 or 4 , did you try that ?
Could you actually see the channel numbers 3 or 4 on the screen ?
Why are you using that type of connection by the way ?
Doesn`t that cable box have other terminals at the back ?
O.k then not too many choices here , either you have a bad cable or your tv`s tuner is defective .
Are there other type of outputs on that cable box ?
You mean that its one of those small DTA adapter box then with only a RF coaxial cable out.
That coax cable was supplied with the box ?
I mean its new and screwed all the way in ?
O.k then if that cable box is working then your tv has a tuner problem .
These box from comcast also come with HDMI out port and that would be an excellent upgrade beside fixing this problem .
I mean that right now you would be looking at the worse picture quality even if it was working so this may be a blessing in disguise.
Other than that if you have an old vcr that is still somewhat functional then it could perhaps be set as a tuner for your tv
Usually that DTA box with only the coaxial port is used for older TV's that do not have HDMI or any HD inputs but yours has plenty of that.
The model I`m talking abut is pretty much the same from the front but it had HDMI out at the back .
And yes by definition a cable box IS a tuner
let me see if I can find it so you will know what to ask for
Yes ask them for a box with the HDMI out port , they do have them
Its looks somewhat like this ;
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