Speakers on the tv vibrate and it distorts the sound
We purchased this TV from a display and did not receive any sort of manual with it. At times the speaker, which is in the front of the TV, will vibrate and distort the sound. I have tried adjusting the audio on the TV but nothing helps.
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Rating: 3.7 - 6 reviews
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It is possible that the built in speakers are broken. Try hooking up your Bluray player/other devices to an external speaker. If you are using an HDMI a signal splitter can be purchased for relatively cheap.
Changing the Audio Output
To switch audio output from the internal TV speakers to a connected external sound system or headphones:
Press 1. MORE.
Press 2. 9 (AUDIO).
Press 3. until the Speakers option is displayed. The Speakers option will display only if an A/V receiver connection has been detected.
Press 4. to switch between TV and either AV Receiver or Headphones.
Check if the MUTE key is on.
• The TV's "Listen to:" setting may be set to SAP (analog program from the ANT input) but no SAP is being broadcast.
• Check that the Speakers option is set to TV to hear sound from the TV speakers. Possibly sound is being sent to one of the audio outputs for an A/V receiver or headphones.
• If using an A/V receiver, check that the Speakers option is set to AV Receiver to hear sound from the A/V receiver speakers.
• Press and hold the POWER button on the control panel for 10 seconds to perform System Reset.
This could be the speakers are vibrating onto the casing and need padding out more to prevent this.If this isnt the case, you may have a sticking coil on one of your speakers..When the sound distorts, remove one speaker in turn to see which one(s) are the offending unit(s) and replace. Is there a buzzing noise coming from the speakers especially in low volume? If so then you may have a faulty capacitor in your power supply producing hum on sound. Hope this helps :)
Yesterday I went to the pawn shop and purchased a Sony receiver they just got it in a couple a days (pawn shop) ago. The receiver is in great shape still had the stickers on them for less than 100.00. We hooked the speaker and the cords black/yellow/red to the in/out in back of the TV and the receiver. Wow! Great surround sound and the TV works like new. Please do not go and buy a sound board you will be wasting your money and the same thing will happen again and again. Dell sucks!
When you are changing channels you are using the tuner of the sat reeiver. the tv does not know you are changing a channel . It is just receiving a constant signal from the SAT receiver. I would suspect a problem with the receiver. Try another one first .
I have this problem with my 37LG30. They all seem to have the same factory flaw. The plastic bezel and rear is vibrating against itself I have found. Tonight, just now, I just took all the front bezel screws out,(from the back) loosened the other 4 big screws in the rear center(I don't recommend removing them)and loosened the stand screws also and tried separating the bezel from the back as I went around the set. This did not really help much except around the bottom where the noise/vibrating comes from-the speaker area. The two plastic pieces are vibrating against one another. The vibrating was coming from the speaker area without doubt. The next thing was to try separating at the bottom where the speakers are with my fingers and a stiff metal nail file carefully..fingers seemed to work best for me. As I separated the front bezel from the rear housing (at the speaker location)most if not all the buzzing/vibrating /distortion went away. I then inserted small pieces of cotton (you can use felt, or similar I suppose) and buttoned it all back up;put the screws in Almost all the distortion and speaker buzz/vibratingis gone except on very low frequencies. good luck!