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Vibrating sound when the volume is above level, system produces vibrating sound resulting in poor audio impct

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Its the problem of audio ic in your tv main board that has to be replaced.the number of audio ic is 668ij .this has to be replaced from the main board as this ic has turned weak and near to end of its life.replace it.

Posted on Mar 11, 2009

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Audio systems these days use a "chip" to control the volume. When they go wrong they produce odd effect like this.

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The type of computer is not relevant. This turntable provides output at nominal "line level" and can be connected to your MacBook with a properly shielded audio cable through the audio input.

For best results, you might want to disable automatic-gain-control (AGC) in the "Sound" preferences pane in the "System Preferences" panel, and set the level manually such that the input does not overload.

As I mentioned above, the signal level is nominally "line level", and that can mean very different things depending on context. You might find that using a passive volume control (potentiometer) between the turntable and the computer's analog-to-digital converter can greatly improve the quality of sound.

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My 37" LG LF 77 television has poor sound. How do



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Hello, thank you for sharing your problem with us, I would personally be happy to provide the most accurate and up to date information for you.

Here is a copy of your operators manual
http://us.lge.com/filedown.do?filepath=1000004174&fileName=PG60_manual.pdf
Solutions
Press the VOL (+ or -) button to adjust the volume. If you want to switch the sound off, press the MUTE button. You can cancel the Mute function by pressing the MUTE or VOL (+ or -) button.
2. USE THE SOUND MODE OPTION BUTTON
Sound Mode: Selects the factory preset sound for type of program.
3.
SOUND MODES
 Multi Audio: Changes the audio language (Digital signal). SAP: Selects MTS sound (Analog signal).
4. PAGE 88 thru 95 go extensively into details regarding sound adjustment



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1 Answer

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It's the nature of the all-in-one turntable beast to be low fi and low performance. Too much volume and vibration would feed back through the turntable.

It does have a Line Out that you could slave over to REAL electronics and speakers.

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1 Answer

The right speaker produces almost no sound


This can happen due to several reasons.

You just check whether th wire got bend . It can happen due to that.


-rate if it helped you.

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1 Answer

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What kind of record player? Most modern equipment doesn't have a phono preamp to boost the minute signal produced from the phono cartridge to a Line level so guess what, they don't play phono correctly.

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Poor sound cqality on a Samsung DLP TV


If you are receving your HD via a cablebox, check the volume and audio settings in the box's menu. Some boxes have internal volume controls. If the level coming out of the box is below a certain level, you may experience low or poor sound quality. You can also check the audio settings to assure that they are set to the original settings.


michtech

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1 Answer

Insignia NS-A2111 audio issue


I had the same problem, its an easy fix if you can solder, and costs less than five dollars in parts, The two filter caps in the audio power supply are not soldered very well so vibrations cause them to break loose from the board. 

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1 Answer

Low volume from CD and iPod input


in audio system you have three different levels.
1-mic level which is very small output level.
2-line level(like cd player output)which is higher than above.
3-speaker level is highest one which drive speaker and get sound out from it.
if you want to get control for number 1 and 2 you can use very simple sound mixer.(from radio shack-or other electronic store)
connect your sound source(mic-cdplayer)to the mixer and get out from mixer to amplifier.

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