Question about LG RU-42PX10 42 in. HD-Ready Plasma Television

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Noise in picture when hooked to cable,dvd,and playstation.

LGRU42PXI0 Noise in picture from sources-cable,dvd,playstation.
Any Ideas where to look?

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Almost always this is some sort of RFI (Radio Frequency Interference) either being generated within the tuner/tuning parts of the television itself, or a nearby component... do you have anything nearby the TV that has a huge transformer coil such as a Reciver/Amplifier?

I would suspect a cheap DVD player before the playstation, but I've had multiple components in which I had to move them away from the TV.

Posted on Mar 12, 2009

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When playing a DVD on my Panasonic DVD player there is a humming noise which changes pitch each time the scene changes, very anoying, any ideas what to do to stop hum?


tried with other cable connectors that you have been hooked up in the input of the tv. by the way have you been already tried to play with other dvd disc?.

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My tv makes the noise like its on but shows no picture or make any noise?


Hey there,
Is the TV set to the correct input? There should be a button on the tv or remote called "input" or "source".
If you're trying to watch cable tv, the source needs to be set to 'cable'. If trying to watch a dvd, then set to 'dvd' or 'aux' or 'hdmi;, depending on your set up.
Hope this helps! It if it did, feel free to rate :)

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I got a magnavox dvd recorder and 4 head hi-fi stereo vcr and im having trouble with hooking it up to my cable box how do i record shows on my recorder without switching inputs on my tv because i switch...


Don't hook the DVD/VCR recorder through ur cable box.Hook the DVD/VCR recorder through ur tv only it should work find.This way each units have it own direct functions to the tv.U recording the shows from the tv not the cable box ok.

Nov 15, 2010 | Philips Magnavox MWR20V6 DVD Recorder/VCR

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When I hook my PS3 to a stereo A/V player or switch box I get a humming noise that gets louder when i turn up sound


Cables are sometimes expensive for a reason: They offer more or less sheilding from grounds of various
sources, including your own body.

Whatever cables you are using are allowing a 60 Hz hum to interfere with your enjoyment of your unit.

Since the cables have to be in close proximity with both your body and the back of the unit, which emits
a 60Hz signal, from your house wiring, which becomes the humming noise you experience, the AV cables
should be heavily sheilded so as to protect the signal from your MP3 player from interference by the 60Hz
signal to increase the signal to noise ratio and thereby reduce your hum.

So, shop for the cables with the least loss and the highest signal to noise ratio. And enjoy!

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1 Answer

My lcd tv makes a humming noise


Try removing all cables going to the TV except the power cord. Power on the TV and press mute. If you have any unwanted noise, then you have a defective TV and since it is new, you should get an exchange. If there is no noise with the A/V cables removed, then you might have hooked the source (cable box/DVD Player) into the wrong inputs of the TV.

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Tv hums when hdmi is connected via dvd player


how do you have the audio hooked up for it if you are using componet cable (red,white) for sound they could be causing the humming you can either switch audio cables or use some other form of cable for sound

Jan 24, 2009 | Samsung HLN617W 61" Rear Projection HDTV

1 Answer

Poor sound quality


You will have to test all the components in the hook-up for the source of the problem.Try recording to the dvd from some other source and see if you have the same level of noise on the playback. If you do then you have a problem with the dvd players or in the connections between the components.Assuming the speakers are not making the noise problem. You should check you cable set-up for interactive noise being produce from too many cables to close together or too close to a noise source and picking up noise from the source. To test this try isolatilating the cables from each other and other possible noise sources, like a/c lines and high magnetic field situations. If you solve your problem with this then you know its your hook-up having noise pick-up problems from a external source. Next try isolating the noise source by disconnecting components and cables fronm the hook-up until you find the problem. This could be a ground problem either in the source of the noise or in the cables. Try improving the grounding of the system by using new cables and earth grounds if possible. If the problem is in one of the components, it maybe several problems. Noisy amplifiers or components in the signal path. If the units being use are of some age it might be time to have them checked for such problems as aging components, like capacitors and ringing resistors in the signal path. This can be tested with a oscilloscope checking the signal path of the preamplifier sections and output amplifiers sections of the components.The testing can also show you, the amount of distortion on the signal at various stages of your recording and playback signal paths. You are probably getting high ripple content somewhere in the signal path from bad grounds or aging components. This noise is causing the distortion that you are hearing amplified from you speakers. if the cables are not the problem and it is some component in you system it is best to locate it and take it in for service.You can use your owners manuals to find the information for support for your products. I hope this has helped you with your problem.

Jan 15, 2009 | Panasonic DMR-EX85EB-S DVD Recorder/HDD...

1 Answer

Background noise


Check the cables in the back If i remember the Component Red jack is right next to the audio out jacks (also a red jack) if the audio cable is hooked up to the component jacks this will cause a humming static noise

Apr 12, 2008 | Samsung DVDR120 DVD Recorder

1 Answer

Portable DVD Dual


Switch screens on the cables. Then you will know if the problem is in the screen, or in the cable or output from your player. Check to see if the player has a source select button for the screens. Mine has the option to hook on an external source (dvd player, game console etc) and a switch determines which source goes to the screens. I.e. screen A can have the film from the internal planyer, and screen B can be used for playstation.

May 16, 2007 | Durabrand Portable DVD

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