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The volume on my new Proscan 32LB30QD has a constant humming noise. What could be the problem? We are going to get an HDM1 today...do you think that will solve the problem?

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1. Turn on T.V.
2. Turn volume to zero.
3. With remote - enter 9876.
4. On the menu that appears on the left side of the screen, arrow down to "Backlight".
5. Press the enter key.
6. Press the right arrow key so that the number moves from 81 to 83.
7. Press the menu button twice. The hum is gone

Posted on Mar 21, 2009

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Standing in front of the TV, make your volume zero.
Punch in --very quickly-- 9876
If it worked, it will open a new menu. Go down to the Backlight and enter. Move it up to 83 from 81.
Hit menu twice.

Now try it and see if your hum is gone! [I think I was starting to go deaf trying to hear the volume over the buzz!]

I will warn you to try it a few times. At one point it shut off on me in the middle and if this happens to you, expect the volume to be BLARING when you turn it on again. :-)

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Give this a shot, it should fix the hum issue:

1. Turn tv on
2. Input mode should be tv
3. Turn volume to zero
4. With remote enter 9 8 7 6
5. A menu will appear on left side
6. Arrow down to backlight and with right arrow key move number from 81 to 83, press menu button twice,
7. Turn up volume and listen if hum is gone.

Let me know if this works.

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1 Answer

Poor sound quality


Hi, I sent an email regarding the issue to OnCorpus (the company who makes ProScan)

This is what I got back:

---------------------------
Thomas,
Follow these steps to correct humming issue:
1. Turn tv on
2. Input mode should be tv
3. Turn volume to zero
4. With remote enter 9 8 7 6
5. A menu will appear on left side
6. Arrow down to backlight and with right arrow key move number from 81 to 83, press menu button twice,
7. Turn up volume and listen if hum is gone.

John
jd@oncorpus.com
---------------------------

I can't confirm if this works at this moment since I don't have access to my TV.

Thomas

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