LG 42PX5D 42 in. Plasma HDTV Logo

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TROY FREUND Posted on Jun 28, 2007

Poor quality picture

My plazma seems to have a pixelated / grainy picture - even on HD Channels. I have had the airel checked and signal strength is really good. The problem seems most apparant with moving images or flashing lights etc.

  • 1 more comment 
  • ClearPic Dec 03, 2007

    Poor Pic quality, Colors change from everything being blue to all yellow. At times there is a horizontal blue stripe across the screen. When the color thing isnt happening and the color is normal all people look like an animated cartoon. I have tried all the setings in the menu to no avail.

  • Anonymous Mar 25, 2014

    Unable to tune channel 7 in, even tho the signal strength is very good

  • Anonymous Mar 29, 2014

    signal strength good signal quality poor

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  • Posted on Nov 27, 2007
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I have a rca HDMI tv, I can’t get channel 526 or 54 they go pixels,freeze.

If you are unable to receive channel 526 or 54 on your RCA HDMI TV and the picture goes pixels or freezes, it may be caused by a few different issues:
  1. Check the cable connections on the back of the TV and the cable box or streaming device to ensure that all cables are securely plugged in and the devices are properly connected.
  2. Check the settings on your TV and cable box or streaming device to make sure that they are set to the correct channel and that the channel is not blocked or set to a different input.
  3. Check the signal strength of the cable or streaming service, if the signal strength is low or poor, it can cause picture issues like pixels or freezing.
  4. Check for any physical damage to the cables, if the cables are damaged, it can cause picture issues.
  5. Try to scan for channels on the TV and cable box or streaming device to ensure that all channels are being picked up properly.
  6. If the problem persists, contact your cable or streaming provider for further assistance, as the issue may be on their end.
  7. If the problem is not resolved, you may want to contact RCA customer service for further assistance.
It's important to note that in some cases, the channels you're trying to watch may be experiencing technical difficulties, or the channel is not available in your area.
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1answer

Can anyone tell me why all of my BBC digital channels have no signal at night or the early morning, but work again during the day!? thanks

Check the signal strength. If the signal strength is weak, this can happen to digital channels. For analogue channels, the fault due to weak signal will be a grainy picture.
http://electronicshelponline.blogspot.com/
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Sound breaks up on hd channels only

have you checked your signal strength HD channels need a really good signal. sound scan be affected if there is not the strength or quality.
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I have a Strong SRT 5066 Set top Box. I can't pick up any HD channels. Is this box HD compatible or do I need to buy a HD Box?

Just add the same problem. You need a HD set top box, supplied by your cable co. Your picture quality will depend on the strength of the HD signal. If you have correct box and signal, you may need to double click your remote select button to activate HD channels/
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The channels 03-30 or so are very grainy and don't have a very clear picture. It seems like the higher the channel the better the picture. The cable is high quality HD cable straight from the tv to the...

If you are using the TV's tuner and an aerial, the aerial has a problem , (one of the reflectors/elements has come off or is bent) or the tuner unit has gone low gain at the lower frequencies.
Have a look outside at your aerial. Or there is a poor connection in the aerial system.
Hope that helps
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Pixellation on most channels

The pixellation on cable channels usually indicating poor/weak cable signal. You may want to have the cable signal strength check out by the cable company, check your cable connection at the entrance of the house to make sure they are clean and tight, try connect and disconnecting them. You are not the cable company cable box are you? My had to be replaced twice by Comcast, they were running very hot.

http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

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Recently purchased a Sony Bravia KDL37EX403 1080p 100HZ flat screen tv. The picture seems to be poorly defined, almost pixelated around the edges of figures and letters - sport is almost unwatchable with...

Your old TV was most likely a SD (Standard Definition) TV. SD signals look better on SD TV sets than they do on HD TV sets. This is normal. If you will, imagine having a tiny wallet photo reprinted as an 8"x10" photo. The image would be grainy and not have the crispness of the original. This is the same principle. Your SD source is being blown up to fill an HD screen. Once you add HD to your programming, the old TV will be forgotten. I hope this was helpful.
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Pixelation of TV channels via Settop box

Pixelation is caused by poor signal strength. Check the signal strength in the setup section. Unfortunately some boxes and TVs don't handle poor signal as well as others. It might be worthwhile trying a signal amplifier
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Pixelation on Local HD Channels Only with or without cablecard

This is caused by one thing, poor signal strength.
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