Overall, am very happy with this TV; vivid picture; clear surround sound, great features.
While watching cable TV, about every 10 minutes, without warning, the set makes a really loud, static-y pop sound - just one pop, then it's ok for another 10 minutes or so.
At low sound volume, I've learned to ignore it, but for anyone not used to it, or expecting it, the sound can make them jump off their seat. Sounds as if lighting has zapped the set.
Pop occurs regardless of volume setting, but is louder as volume setting is higher.
Have noticed that it does not occur while playing a DVD, so I don't think it's the surround speaker system.
Haven't attempted any other diagnostic / on-screen setting adjustments.
As it is, can't invite friends to watch TV, as we don't have a de-fibrillator in the house.
Any clues for cause? fix?
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Re: loud audio pop
This is the type of problem that can drive a repair person or shop mad! The reason is that alot of times when a set is moved, the snapping from the High voltage does not occour. Your problem is one that deals with alot of dust and dirt in or around the High voltage block assy. And or a problem with one of the Picture tubes and or the High voltage leads going to the tubes, or a high voltage transformer that is going bad and is cracked. If you do not know the high voltage safety factors, you should not attempt to repair this set, as there is enough High voltage in this set to grab hold of you and shake you and to toss you to the other side of the room OR KILL you. My friend, this is a repair job for a pro to do! The longer you wait, though, to get the problem corrected, the more it will most likly cost you to repair. Good luck and if you get the set fixed or even if you do not , Please post back and let us know what you did to fix your problem?
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Make sure TV is not muted.Make sure the TV is not set to SAP (secondary audio protocol)Make sure TV input is correct (someone may have accidentally pressed the "aux" input button or similar causing the TV to use an input with no sound going to it)Make sure there is not a pair of headphones connected to the TV audio out jack on the side or front of your TV.Check all of the cables that are connected into the back of your TV. (it is possible the TV was moved slightly and a cable has become disconnected or loose)If you have a receiver or surround sound connected to your TV, turn it on and see if you get sound coming from the external speakers.Turn off the TV, cable box, and anything else connected to the TV. Sometimes turning everything off and then back on can fix the problem.If using an "S" video cable into an input on the back of your TV, these cables carry no sound, just video, so make sure you connect an audio cable too.Hook up an external device to the "TV audio out" input. This will be the test to see if it is a TV circuit board malfunction or the speakers are faulty in your TV.If you are connected to a satellite box, use the included remote and go into the "menu". Check to make sure sound settings are set correctly.
Read More: http://removeandreplace.com/2013/11/14/10-ways-fix-tv-picture-sound/#ixzz3lTeW6isH
Most likely the pop sound was the loss of your lamp module, due to normal burnout, causing immediate loss of video without affecting audio. You'll want to do an internet search to price a new lamp for your projection TV.
This may indicate a problem with the RF tuner. When you are using the DVD player is the output of the DVD using the F (RF Coax) Conncetor or is the DVD connect to the TV using the Video/Audio cables (either Composite (Red, White, Yellow) or Component (Red, Green, Blue)). I am do however believe this to be a RF tuner problem. Make sure that the TV is set to channel 3 and the cable box is connected to the TV (set to channel 3). What you could also do is get digital cable and use the video output jack as the input to the TV on one of your aux positions.
I would first make sure the tunner is on channel 3 when using the regular cable box, or if you are using the TV's cable ready features make sure the tunner is working correctly, this might have to be done by a qualifide TV repair person.