I have a 52G786 from JVC. I've had it 2 years. Love the set, up until yesterday. I only have a roof antennae (no cable) and I've been using it to receive HD TV out of Green Bay for the past 2 years. Direct connect to ATSC jack. Yesterday it stopped working. No channels come in at all. I know the antennae and cable are fine (tested with a smaller TV with ATSC tuner).
It is possible for these ATSC tuners to just up and die?
Thanks in advance for any input.
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Re: 52G786 ATSC Tuner no longer works
I have the same exact model tv...Love it...ATSC tuners is in definition an Analog tuner. As the broadcasting companies change over to Digital broadcasting before the deadline in Febuary 2009 more and more local or Non-Digital chanels are becoming obsolete. You would have to purchase a converter box for your tv if your not planning on getting cable. Another way to gois if you have an old cable line running through you house (no incomming cable) plug you tv into that jack. That also acts as a antenna. The sweet part of all this is that your tv do have a QAM tuner or Digital tuner built in just need that digital antenna to pair it up.
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It really depends upon your TV. If your TV is newer and has an ATSC tuner in it, then no - you'll just need the antenna. However, if your TV is older and doesn't have an ATSC tuner, you'll need an external tuner, what you're calling digital convertor, and an antenna to get the local channels. Use Google or another search engine to find the specifications for your TV to see if it has an ATSC tuner. Or, connect an antenna to your TV, run the channel scan (off-air antenna mode) to see if you get any local channels. If you don't, you'll need the external tuner.
As long as you have a ATSC tuner in the set you can use rabbit ears or an outside antenna like years ago. Look up your model number with Bing or Google and find a site that displays all the technical specs and look for equipped with ATSC tuner for Air signal.
If you don't have that tuner then you will have to have a cable hd box with component outputs, they take care of that.
I have the same TV and was unable to get the digital channels until today. I think you need to connect your antenna on the back of the TV to the ATSC jack. If you have had it connected to the VHF/UHF jack, it won't detect the digital signals. Once you have the antenna connected to the ATSC jack just Auto Program your TV and you'll find all the digital channels in your area. Good luck!
The freezing of the picture denotes a loss of signal on a digital (Having a ATSC tuner) TV. If your TV is not digital (Having a ATSC tuner) then it is the device that you have connected to the TV (Cable Set-top Box, DTV Tuner, etc). In the likelihood that it is your TV I would suggest getting a better antenna first if that does not fix the problem you may have a tuner problem. However lets not look at it that way first. What we need to do is to determine if it is the TV of whatever you have connected to the TV.
First unhook the connection you have from the cable to your F connector of the TV (you should see snow or a blank screen) connect a antenna to the F connector of the TV, do you see a snowy picture or a clear sharp picture (snowy= NTSC tuner, clear-sharp= ATSC tuner). If the tuner is NTSC then check you cable device and the connection between your TV and the device and the cabling between the device and the wall. If the Tuner is ATSC then you will have to check all of your connections, and finally if the tuner is bad it has to be replaced by a qualified Tv repair shop.
If you have cable TV, satellite TV, or FIOS, the coupon eligible converter boxes aren't needed and aren't useful with those services. They gov't coupon converter boxes are only good for reception with a regular TV antenna or rabbit ears.
According to the specs on epinions.com, no, this TV does not have a digital tuner. So, if you use a rooftop TV antenna (not satellite dish) or an indoor TV antenna, you WILL need an ATSC to NTSC converter box. You need not wait until next year, however, as most U.S. TV stations are also broadcasting digital (ATSC) now.
This television has an extremely weak tuner. It is very sensitive to both ghosting (multipath) and weak signal conditions, which cause it's digital decoder to "error out". Coupled with this is the decoder's long set-up time (time to actually begin a decoded video stream after signal is selected)and you find that every time the decoder loses sync it takes several seconds to reestablish normal decoding. The net result is the possiblity that the tuner will be continually restarting and never display anything. An extremely directional antenna may help. Otherwise, find a good external tuner box and use that.