Screen went black and sound quit while power was on during normal viewing. No reponse from remote or side panel on any input channel. I have unplugged it and powered back on - no luck.
What is likely problem? What is likely cost to repair?
The likely problem is the power supply - and if you can open the tv and look up the part number of the power supply, i think you'll be surprised how much they cost. Sometimes you can fix them yourself by replacing faulty capacitors.
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To which model television are you referring? It sounds like you either need to change the input method for the TV or just change to a different channel (2 or 4).
Check on the cable connection between TV and cable box, secure tightly hook up. Then check input setting for HDMI - normally HDMI 1/2/3 , then "COAX" use channel 3 or 4/ You can also try to press arrow down button until you reach a channel. If you are using cable remote try to also check the input setting using original Tv remote control. Then try to powercycle the cable box and Tv conenction.
Ok, first make sure you or someone in family didn't hit the "HD Zoom" on your cable remote or whatever kind of remote you have. On ours - Cable- if you hit it once it is in "Normal" picture which on ours has black around edges on a non Hd channel. Then if you hit it again it Zooms once makes pix very large and if you hit button a third time brings it into a wide screen Zoom that fills the Tv screen. If we are viewing HD channels I put it on Normal which will fill the screen and give you the best HD pix. If we are viewing a NON HD channel, then normal will have black on sides, so I hit the Zoom a couple times to fill in the screen. My brother in law had this problem and couldn't figure out why his Sports channel Scores were always half cut off the screen! it was zoomed in too much for that channel. His sports channel was in HD so needed to be on normal instead of zoomed in.
if it is not the Cable remote then this is a second possible cause:
The other thing that happened to me was - we hardly ever use our original TV remote that came with the TV. but one day our picture looked weird and the cable remote didn't adjust it. One of us had hit the "P SIZE" button on the TV remote. this changes your pix from - 4:3 ratio to 16:9 ratio and vice versa. I put clicked that button and on the TV it shows whether it is at 4:3 or 16:9. For newer wide screen TVs you want that set at 16:9 ratio.
All cable company remotes probably are a bit different so check with your company ... to find out where the zoom control is on their remote.
1. plug it into a input device (well duuh)
2. it could be a fried mother board or a cracked one !!
3. it could be the sound plate a gt674jj49329710hfwllw plate u need u probably have a gt683jj63835540gdhdys plate !!
4. take it back !!
I had the same problem once with my RCA television. It only happened on certain channels and didn't happen during commercial breaks. If I adjusted the volume on the tv the box went away, but came back shortly after. The problem ended up being some malfunction in the closed captioning. I turned it all off and changed the CC settings and never had the problem again.
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