Question about Samsung HLR5067WX 50" Rear Projection HDTV

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Samsung hdtv hums

Last saturday my samsung hdtv started to hum. I looked into the set because I saw a small fan on the back left that was not running. It looks like this is on a temperature switch. The hum is coming from the center where the fan is located. the tv is a samsung 5067 series

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  • Chris Gibbons Sep 24, 2008

    I do not get any of the fan error messages. I do not know that the fan is the source of the noise. Do you have any other suggestions? I had previously disconnected all the cables opened the back and cleaned the set, left it for thirty minutes.

  • Chris Gibbons Sep 24, 2008

    answer number 2 was dumb.

  • Chris Gibbons Sep 24, 2008

    Yes, it was helpful and convinced me that it is the correct problem. It also convinced me to do it myself. Thanks for your direction.

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Hi,

To be frank, the buzzing problem is common in these type of TVs........

The reason might be as you said , due to the coolant fan may have been stuck. The Fan might have been lost its bearings.
But the fan inside the HDTV will not run continuosly. It will run only when needed(i.e, during overheat)
So you need to look into that quickly, becoz if the fan had failed, then it may lead to future problems due to overheating.

Try these too,
You may have a ground loop problem.
Are you using three prong plugs in all your outlets on that particular circuit?
You should try having only the TV plugged in and see if the buzzing is gone.
Then reconnect items one by one to discover what is causing the problem.

One more idea.
What new electronic appliance have you added at the same time the buzzing began?
A refrigerator?
Or anything else that runs constantly, including an electronic alarm clock, digital clocks, think of anything.

And is the buzzing increases with the display brightness?
If that is the case your power supply will be the problem..........'

Hope my info helps you,
Thanx for using fixya,
CHeers.
Waiting for your response.....


Posted on Sep 29, 2008

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Hi

replace the fan, and much better to call a qualified technician to assist you!

Thanks!
Likha

Posted on Sep 23, 2008

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This is almost always the color wheel that causes the noise. I have never seen a fan cause the noise at all. If you would like to replace the color wheel its a pretty straight forward process. you will first need to order one. i would reccomend partstore.com Once you get it let me know and I will email you the directions on how to change it. If you dont feel comforetable doing it youself you can always call a repairman but he will charge $400-$600 depending on your area. Let me know what you want to do!

Tim Nolan
Experttv@comcast.net

Posted on Sep 23, 2008

  • experttv
    experttv Sep 24, 2008

    Yes, its the colorwheel

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You can try a hard reset: Unplug TV from AC mains and remove all cables from TV. Wait about 2 hours and let the tv cool and replug to AC power and redo the cabling. Switch on the TV and see if it works..if the fan does not run then you may need to replace the fan as its vital part which cools the tv part ,to fix this issue....

And use his link to replace the cooling fan....

http://www.jangro.com/a/2006/09/29/samsung-dlp-how-to-replace-fan-2/



Good luck...

Posted on Sep 23, 2008

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