Question about JVC HD-52G786 52" Rear Projection HDTV

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52G786 ATSC Tuner no longer works

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. Todd

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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.

Posted on Jan 03, 2009

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JVC HD-56G886 tuner stopped working


My (unfortunate) guess would be the Tuner received a static discharge when you were changing the antennas... this time of the year is bad for static - if you're in a "Winter" climate.

Receivers have a very sensitive FET or MMIC amplifier right inside from the antenna connection to make it better for picking up distant stations.

However, this same "sensitive" amplifier is also prone to being destroyed by even a small static discharge... especially if the tuner had its power turned ON.

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We do factory work for many brands including JVC.

I remember one of these sets only a few months old with no audio, JVC exchanged it as the customer was angry (understandable). Ten minutes later we get a email and a call from JVC telling us set has been exchanged and they do NOT want the old one back---do whatever we want with it.

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