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How to fix channels that have no signal

Channels with no signal

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Why is my Humax 4000 very slow, freezing and scrambled saying bad signal.


Check the signal level and quality. Reseat all aerial connections.

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My dvr 16sb started producing a dreadful signal now after buying new cables etc and re installing the channels I have no signal at all. I have reverted back to my old cables and back again but still...


Go back and do ONE channel. disconnect everything else and just try hooking up ONE channel. when you find what you may have done wrong, then fix them all. A Bad Camera Power supply will cause your original issue,

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those channels may not be high def

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Switch on alba tv and sound is there for a few seconds then goes off.


We are not dealing with analog TV signals any longer and so the operation of these display devices are more complicated.
If other channels are good then check the signal strength of the channel you are having trouble with as all these signals are now digital streams and they take time to sync up and the buffers to be loaded.

Aug 10, 2012 | Alba Televison & Video

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My remote scanned all the tv channels (Cable TV, TV, DTV and Cable DTV). The channels that do not show up now are the Cable TV channels. They are there if I type in the channel number but the remote...


U are recieving an using DTV Free AIR broadcasting tv signal wright,get a better antena like a roof or a newly design digital antena for uses.This problems dose not happen to cable or sattellite services,i know this because their broadcasting tv signal frequencies are very strong and very high ranges of a broadcasting signal output for their recieving boxes.

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Analog Audio Out signal has very high distortion. Signal wanes in and out, wanders from one channel to another, and develops high static. This happens when Audio Out is configured for Fixed Output. When...


The problem is more likely to be with the wireless headphone set rather than the TV. It makes no sense that the signal changes channels. The only difference betweent he fixed and variable output is whether or not the volume changes the output signal amplitude. The channel selection process is not handled there. The distortion is likely due to the input of the wireless being overdriven. If available, turn down the input gain on the wireless and try again. Please update this with the results.

Thanks,
Dan

Feb 28, 2011 | Televison & Video

1 Answer

I have a brand new technika tv 216/54g. It has freeview built in. I have a brand new indoor digital amplified aerial also technika but I cant get it to pick up any stations. Do I need anything else? please...


Hi there,

You don't necessarily need anything else, but you may not have a strong enough signal to pick up the digital/freeview channels using an indoor aerial. It could also be that the indoor aerial is not correctly aligned.

If the signal strength is lower than approx. 50%, the TV may detect them during the automatic channel scan but it wont store them. When the signal strength for any digital channel is 50% or lower it's more or less unwatchable - the picture would be constantly breaking-up or freezing and the audio drops out continually. Trying to scan for channels using an indoor aerial is rather hit and miss. Numerous attempts may be necessary before you get any channels.

Assuming you have a roof aerial, it is far easier to temporarily connect the TV to a fixed aerial point while you run the automatic channel scan. The TV will store all the channels and you can then move it to it's permanent location and connect the indoor aerial. You can then adjust the indoor aerial with the channels already stored until you find a location for the aerial where you have a good signal.

Doing it this way also eliminates the possibility of a fault with the TV and confirms that you are performing the channel scan correctly. If the TV is connected to a fixed aerial point and you are still unable to receive or store any channels, then it's likely that you are performing the channel scan incorrectly or there is a fault with the TV.

Please try scanning your channels using a known working fixed aerial point. If you are still unable
to receive any channels - or you don't have any fixed aerial points - please post back for further assistance.

Hope this helps.

Regards,
BElectric

Feb 28, 2011 | Televison & Video

1 Answer

Sony Trinitiron 27 inch. It's stuck on channel 27


go to menu then channel turn off channel fix that might help ya

May 24, 2010 | Sony FD Trinitron WEGA KV-27HS420 27" TV

1 Answer

No signal on tv


Most of the time, replacing the Signal Board will fix the problem. You can order on from LG themselves at 1800-243-000.
I hope this helps,
Skyassoc

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1 Answer

I pressed the cahannel up and down button on my panasonicTv and I changed the input signal. It is a black screen and it says no channel available no signal. How do I fix this?


Tries a better antena like a digital antena or a roof antena for the free air tv signal.Rescan the channels.
If cable,satalite or telicom signals unplug replug the reciever box for reboot to upgrade.Make sure ur tv in cable setting,rescan for for dhannels.










Nov 07, 2009 | Televison & Video

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