While watching tv, the tv all sudden goes snowy, no sound, and have to turn it off and back on to make it work again
When watching the tv, it randomly goes snowy and have to turn it off and back on to get the picture back and the sound. Some times it does it right after you turn it on, and then times it will go all day and no problems, then it other day it did it 3 times in 30 minutes. I will be watching it and then it will kinda pop and the screen goes snowy, and the sound goes, and I have to turn it off and back on to get the picture and sound back. Please help, I can't seem to find no one to tell me what the problem is, it is like it loses the signal, I got cable tv.
Have samsung 52 lcd connected to Denon receiver. I get snow on tv but still have sound. Thought is was tv cable but happened when watching DVD too. any solution
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Sounds like AGC [Automatic Gain Control] circuit section fault. The fault is related with its main board. It will be best to contact any service technician or the authorized service center in this case; as this is not an easy work can be done be a user. If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
I am sorry to hear of your issue. I may be redundant but bear with me. In order to assure that the receiver is performing correctly. Change the cables on the back of the receiver. Move the cable on the in home distibution to the 3-4 out and vice versa. At TV1 change the TV itself to the channel TV2 was modulated to and see if you can watch tv error free for awahile.Do likewise on the TV2 location by going to CH3-4. Let them stay like this for an hour or so to replicate the issue. If the problem does not appear it would seem as though the receiver is fine. It also would appear that the cabling is fine also. If you are not having to reset the modulator than I would expect that the receiver is good once again. I would send a tech to your home and have him break the system down to the most basic configuration and progress from there. I personally suspect that there is a piece of hardware that is heating up and shorrting out such as a barrel, wallplate, or even an improperly prepared connector. Let me know what I can do to help you resolve the issue. If need be I will contact you local service provider to see that they assist you.
This looks as if a component has become thermally sensitive. The best way to find this is to use component cooling spray. It looks as if the problem is localized to the tuner section. Take the back off of the TV and turn the TV on, wait until the problem occurs and lightly spray the tuner section with the component cooling spray watch for any reaction, then if this does not work spray the Microprocessor and the LVDS section and watch for a reaction. The set should go back to normal when it does that section is the problem, try to localize the problem to one component. Then replace that component.
Not sure what causes it but it can be fixxed by your local repair guy, I just had mine fixxed for under a hundred bucks, he takes the back off and with a tiny screw driver adjust a few screws to near brand new perfect picture.. and it has been good ever since
yes it could ba the cable itself even, but i suspect more the tuner circuit or tuner itself may have bad solder connections. Here is another test for you to try, plug another dvd or vcr, or xbox etc. into the back, using one odf the inputs. See if this works like the built in dvd. if so it will be more likely bad connections in the tuner or surrounding circuit.
Connect up another set right next to that set thats going out to make sure the cable or that line is not bad. It soukds as though you may have an intermittant tuner assembly inside the TV set. Its also a possablity that there could be a bad solder connectiuon in or around the tuner assembley. Not really a job for the user, as this set has hot and cold chassis, and can give a mean shock if you do not have the know how to work on these monsters. good Luck
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