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POPPING SOUND AND TAKES AWHILE TO COME ON - LG 47LG50 47 in. LCD HDTV

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I would have the power supply checked, especially the capacitors!!

Posted on Nov 01, 2012

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Magnavox tv makes popping sound then lose sound. What cause this


Look first to see if same issue when playing a DVD etc connected to a rear audio/video input.

It may be the audio circuit in the set---got a model number?

May 29, 2012 | Magnavox Televison & Video

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By not having enough oil in the car, would that create a popping sound? Have a 2001 Grand Cherokee Laredo that was working fine and the next morning it started popping. Put it had one quart in and put 2...


If I understand your situation, you are saying the engine was run with one quart and you added 2 more quarts of oil. Now you have 3 quarts which is less than what it takes to make it full. On some engines it takes 5 quarts of oil. You will have to check the dipstick to see where you are now compared to the full mark.

If it is still less than full, it may cause some noise, but depending on how long you ran it with the oil low, how hot it got and other unknowns, you may have a serious problem. Try adding oil to the fill mark and pray that after you run it awhile the noise will go away. The noise may be the lifters trying to work with little or no pressure. It is possible that after the oil top off and a bit of driving they may pressure up and start working again.

Aug 28, 2011 | 2004 Jeep Grand Cherokee

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Have no idea what's wrong with it.takes awhile for the t.v. to turn on.sometimes it'll be on but no picture, just a black screen and sometimes it makes this popping sound when we turn it on.please help...


I would say that the capacitors on the power supply board are ageing and changing value, stopping the start up system from working properly. Changing the capacitors may affect a cure.

Nov 06, 2010 | LG 32LG30 32 in. LCD HDTV

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Problem for LG 47LC7DF 47 in. HDTV LCD Television it just flashes red and takes a couple of minutes to turn on and makes a popping sound..


television just flashes red and takes at least 15 minutes to turn on after turning off and on and makes a popping sound.

Apr 24, 2010 | LG 47LC7DF 47 in. LCD HDTV

1 Answer

Subwoofer sounds muffled or no sound just started a few days ago put head phones in receiver the bass sounded fine subwoofer has been popping as of late every once and awhile


maybe a defective surrond internal Amp board is defective, send to repair. 1st check for any equal. settings, try on flat equal.

Jan 17, 2010 | Audio Players & Recorders

1 Answer

Popping noise from speakers


sounds like the digital input and the component input are casing inteference , try removing the component video and see what happens

May 23, 2009 | Sony STR-DE695 Receiver

1 Answer

Dell 17" LCD TV takes a long time to come on 15 minutes or more


popping noise is an indicatior of a bd board. if the unit power light still lights amber, it probably the main board else the power board a circuit or two may have been fried. both boards need to be examined. questions, email me

Feb 05, 2009 | Dell W1700 17 in. HD-Ready LCD Television

2 Answers

Popping and fading of sound


The "popping" sound could be electricity jumping from one place to another.An internal SHORT in a transistor, an internal OPEN in a resistor.Intermittent [sometimes it does,sometimes it dose not] arcing electronic parts.
Dust [metal filings,very fine hair that burns like a fuse] & dirt [anything metal], arcing (shorted) capacitors.Bad connections on ANY ground connector.
Possible:: your surround sound MASKED the popping sounds by acting like a FILTER.Which lets me to think that your problem is in the audio section.

Jun 24, 2008 | Samsung DLP HL-P5663W 56" TV

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