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My ott light makes a buzzing noise for an hour or more, but eventually stops,. any ideas of cause

I,m thinking the bulb needs to be changed, but would,nt the buzzing go on endlessly if that we're the case?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 8 Answers

SOURCE: Buzzing sound by bulb

be quite sure that it is not the fan physically touching the case; other than that, scope your B+ voltage to the ballast and be certain it is clean;  while it could be that or the lamp itself, it is most probably loose or misaligned case assembley

Posted on Oct 30, 2007

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SOURCE: new bulb fitted and made no difference

Replace the Ballast control board and reset the lamp hours (through service mode). Parts should be available through your local service agent.

Posted on Apr 23, 2008

SOURCE: I changed the bulb in my tv and it was working for

In this case there are two possibilities of what part is the one causing the issue, it coul be a ballast because of the clicking sound that caused the tv to shut off, and that buzzin sound is for your color wheel that it might not be working anymore, discountdashmerchantdotcom free troubleshoot

Posted on Jul 24, 2009

  • 4 Answers

SOURCE: Toshiba 56HM195 56 in HD DLP Loud Buzzing and color distortion

If the sound, sounds more like a Hum with some vibration chances are the Cooling fan located behind the lamp is going bad, about $20 to repair, if its a high pitch hum most likely the Color Wheel and if thats the case about $30.
Good luck, my fan just went bad now seeing green dots everywhere, so debating on just junking it out or fixing it, with winter coming on might just breakdown and buy LCD and say the heck with DLP from now on.
Good luck to you..

Posted on Sep 20, 2009

ladywinn
  • 5138 Answers

SOURCE: The tv makes a loud noise - timer/lamp lights

Ballast Board that connects to Lamp it could be bad or recheck to make sure its pluged in good anyway Ballast Board is what turns Lamp on Loud Noise means Color Wheel which can also shut set off Id say Color Wheel Call Encompass Parts 1-800-638-3328 they List all the Parts you need Part# for color wheel is BP96-00674A cost 129.69 They also have Service Maualfor your TV. Also Look on E-Bay under Electronics found some good deals thier Got my Lamp for 85.00 and Ballast Board for 65.00

Posted on Nov 18, 2009

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1 Answer

Why does my Ott light flicker but not come on completely?


check and replace bulb first, if not that then most likely a ballast problem, which sends a boost of the correct amount of power to ignite the bulb then lessens the flow of power it needs to stay lit.

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The on/off switch seems to be broken


If you haven't used it in a while or if it is in a cold area, it may be a warmup issue, try turning it on a waiting a few seconds, even in the best time there is a delay. You are correct to expect the bulb to last a long time most Ott bulbs do last!

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Depending on lamp the bulb is approximately a 1/8 turn with a slight push toward the base to release the bulb, If you have not purchased the replacement bulb take the old one with you, some "high end" lamp stores will have replacements, if not the website will help. Good Luck!
Douglas

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I have a Samsung rear projection tv. It has been


The Lamp probably is bad but it going bad would not cause a buzzing sound. I have a hunch that the Color Wheel Motor is bad causing the buzzing noise. It is a major repair and the cost would be expensive. But this is the deal, you will need to get a qualified repair person out to confirm the symptom to be sure. You can go ahead and replace the Lamp to get the set working again and use it for as long as you can stand the buzzing noise. If it is the Color Wheel Motor, I would check prices on replacement sets just to get a feel of how much you are willing to spend for repairs.
I hope this helps,
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1 Answer

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I've come across this before and it turned out to be the soundcard driver. See if there's an updated driver on Acer's website.

Strange buzzing can also be caused by a stuck or damaged key. Does pressing ESC help at all?

Unlikely to be the hard drive. They crunch and grind but don't buzz, unless they're completely knackered, when they can give you a three-tone buzz sound and won't spin up at all.

Hope that helps,
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I turn tv on...green light comes on but i get no picture or audio....then light indicator blinks red


Hello!
Lamp or ballast(if lamp has been replaced) is bad.
Explanation: green comes on: system works, waiting for light to shine into light engine: no light is coming out of lamp, system shuts down, then you see red! how to determine: pull the lamp out of the unit's compartment. Inspect lamp: bloated stem? shuttered? reflector is not shiny? Chuck it!
Lamp looks good or just been replaced: try ballast. Close lamp compartment without lamp itself. Make sure, door is shut, as well. Turn unit on and listen close to lamp compartment: good ballast will make a buzzing noise, then stop. You've got "red'! No buzzing: ballast quit. Needs major repair! Lamp must be good, for sure, to get to the last part of diagnostics. Conclusion: more, than 2000 hours of usage: replace lamp first!
Good luck,
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1 Answer

I changed the bulb in my tv and it was working for a few days. Now I get audio but there is a wierd electrical clicking noise which made me think the new bulb broke but I still have a green light on the...


In this case there are two possibilities of what part is the one causing the issue, it coul be a ballast because of the clicking sound that caused the tv to shut off, and that buzzin sound is for your color wheel that it might not be working anymore, discountdashmerchantdotcom free troubleshoot

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It is the color wheel, inside the light engine. The bearings get dirty and makes it harder for the wheel to spin causing that whin.

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YOU MAY HAVE A BAD LIGHT BULB, SOCKET OR LIGHT SWITCH. TRY WIGGLING THE SWITCH TO SEE IF THERE IS ANY CHANGE IN THE BULB INTENSITY. IF NO CHANGE, TRY REPLACING THE LIGHT BULB. IF NO CHANGE, THE SOCKET NEEDS REPLACED.

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