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Re: 37" LG 1080p
If you are receiving a High-Definition (HDTV) signal through an over-the-air broadcast, you may see this kind of mosaic-like breakup of the picture and sound if the signal is weak or interrupted.This is the same way that you would receive snow and static with an analog signal in the past.I would suggest readjusting your antenna for better reception on the channels that are giving you trouble.
If you are receiving this broken signal from a subscription-based service such as cable or satellite, I would recommend contacting your service provider for assistance.It could be a problem with the signal, your equipment, or the equipment setup.
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You should be able to use the box remote and select channel search mode. As it searches, you will see it "hit" available channels and store them. When channel search is finished, you should see a picture displayed. if no results, there is something wrong with the antenna, the way it is connected to the box, the way the box is connected to the TV, or the way the TV is connected to the box. You may have to reread the instructions to find what is at fault.
Check the Chanel 7 broadcast signal on the other tv have sound,could caused by the tv broadcasting signal from the tv station itself.Check if ur tv have a function known as S.A.P. make sure it is off,could effected no tv audio problems,because the tv station in ur city or town don't broadcast in that signal frequencies.
NBC antena broadcasting signal is weak and it sit in pretty low ranges on the mountains tops call mountain Wilson.The broadcasting antena is weak and ur receiving antena is weak too.Tries websites like Amazon.com Ebay.com to buy a Digital antena and used it,will boot up ur tv antena receiving signal stronger and longer ranges.Than.U will able to get the NBC tv channel.
What is the source of the signal? If the signal is from ABC, Fox, or ESPNHD, the broadcast is is 720p. Similarly, many older dvd players only provide 720 resolution (those that do not have the up-conversion to 1080 feature).The choice of cables may matter.
So if you are watching HD cable or satellite or OTA Digital TV, try a different channel. CBS, NBC, PBS and DiscoveryHD provide 1080i. However, not all stations with these networks broadcast in 1080i OTA. (There will only be one sub-channel with the 1080 signal if your local affiliate broadcasts in that resolution.) An XBox will also give 1080i.
Blue-ray players and the Play Station 3 provide 1080p signal to a TV that can handle the signal.
If your source is a computer. what OS and video card is providing the signal? The resolution available will depend on what your computer can provide. Check the specs for the computer. This is more of an issue for older video cards and low end older computers with on-board video. The computer will only give a 1080 output in the 1920x1080 mode at 60Hz. For Windows, you can reset this either with the video card software or by right clicking on the desktop (anywhere without an icon or running program). Restart the computer to get the mode to synch in some situations.
on your remote there should be an MTS button, try that because sometimes they broadcast shows in/on mono,stereo or sap. go to those channels and try switching to either mono,stereo or sap. let me know and good luck
Assigning a station name 1
Select Manual Tuning.
Select the position and make
your choice of the second character,
and so on.
You can use an the alphabet A
to Z, the number 0 to 9, +/ -,
It may be that the set is set for alt sound. go to the menu and set the audio to stereo. If the audio is set wrong it thinks you are set for spanish and if the broadcast is not in an alt language there will be no sound.
Happens mostly on your local channels right? This is a issue with the local broadcaster and not directv. Due to the digital transition this has been a widespread issue. Until the local affiliate for NBC, ABC, etc. fully transmit a digital signal then this sync problem is to be expected.