LG 32LG30 32 in. LCD HDTV Logo
Posted on Aug 06, 2009
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The tv vibrates and distorts sound when at sound level 20 or more so I play it with 5.1 sound sistem

  • david_malbur Aug 07, 2009

    Just to say thank you I thought it was some thing like that, not much I can do about it...
    Ho well thanks again for your help .

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  • Posted on Aug 06, 2009
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Yes it is just the way the speakers have been mounted with no padding on the casing causing the vibrations. A design flaw

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Mpc 1000 loud static

Maybe try adjusting the MASTER level?

Good Luck

Other settings
Adjusting the master level You can adjust the level of the headphone and the stereo out by turning the MAIN VOLUME knob. The MAIN
VOLUME changes the analog signal level. This will also adjust the entire level of the MPC1000 digitally.
01. Press the [MODE] key and then the [PAD 10] (OTHER).
It switches to the OTHER mode.
02. Press the [F1] (GLOBAL) key.
The GLOBAL page will be displayed.
03. In the Master level field, set the level.
You will set the digital signal level, which will be sent out to the DA converter. The MPC1000 can output up to
32 sounds simultaneously. There is the great difference in the level when you play single sample and play 32
sounds. If you increase the value in the Mater level field, you can increase the entire level of the MPC1000 to
create more powerful sound with less noise. However, if you playback many sounds at the same time, the
level may be overloaded, which may cause distortion. If you decrease the value in the Master level field, you
can prevent distortion when you play many sounds at the same time. However, you cannot have a good
result in respect to the noise or punch of the sound. Set the appropriate value in the Master level field
depending on the application.
tip

The Best Place to Put Your Surround Sound Speakers

If you can’t feel the vibrations everywhere—in your cheeks, ears, toes—you’re not getting the most from your surround sound system. One easy way to improve surround sound quality is to focus on speaker placement. Crutchfieldadvisor.com has a detailed tutorial, offering such tips as:
  • Place your center channel speaker directly above your TV—centered if possible. Align the front edge with the front edge of your TV screen to reduce distortion caused by sound reflecting and diffracting off the TV’s cabinet.
  • Position your front left and right speakers in front, and at equidistant points to the left and right, of your primary listening spot. Your front speakers should be at a 22°–30° angle with respect to your television.
  • The tweeters should be at ear level when you’re seated.
  • Position surround sound speakers so that they’re ear-level when you’re standing.
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I have just bought a new LG 42LM620T TV. The picture is fine but every so often the sound is a little distorted. It's as though the sound has been recorded at too high a level for the speakers. It

No doubt in the audio menu for your TV there are several tweaks available in there - maybe even a graphic equalizer and perhaps other potential modifications. Access the audio menu with your remote and play around in there. You may be able to soften the audio up a bit. Good luck.
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bad transformer. A $10 part at most electronic stores. U fried it when you dropped it. Happens all the time.
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My sl-5 skips on records often, Could it be the stylus pressure? how do i adjust the pressure? I've seen that this is a common problem with this turntable. Also could f*%#ed up records be the reason for...

What brand TT? Technics?

This from the manual:

"Place the unit in a stable and horizontal position where there is little or no vibration."

"Place the unit away from the speakers so that it will be subject to as little direct sound radiation as possible."

and

"Adjust stylus pressure in the following cases:
Stylus pressure is normally set to to 1.25 g but may be raised or lowered by +-.25 g.
It may be necessary to increase stylus pressure when playing records cut at high levels, or when room temperature is low, or when the unit easily picks up external vibrations.

This will prevent distortion and groove-skipping. In such cases, turn the stylus pressure adjustment screw clcokwise (+), as indicated. (Fig. 12)

Note:
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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
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I had the same problem (see above) and was able to fix it. The solution my be an S-video plug. I went to Wal-Mart and picked up a universal component S-A/V cable ("universal" in that you can use it for PS2, PS3, XBOX 360, Elite & Wii consoles).

At first, I used only the audio and video plugs and the picture still appeared distorted. Then I plugged the S-cable in (to the TV) and the picture displayed crystal clear!

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For those wondering, the cables I bought were Phillips S-AV cable. It comes in a white box and is 8 feet long. The price was about $20. Sony offeres component A/V cables for more than double the cost, but chances are, those cables would have been useless to me since they did not include an S-video plug.
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Sounds like you have a bad speaker or where the mounts for the speaker are broke.
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