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Re: [Shop-talk] flat screen heat

To: John Niolon <>
Subject: Re: [Shop-talk] flat screen heat
From: "Peter J. Thomas" <>
Date: Thu, 17 Jun 2010 11:08:10 -0400
On 6/15/2010 7:04 PM, John Niolon wrote:
> I walked up close to my 54" flat screen last night and could feel the heat
> coming from the screen...  was suprised at how warm the screen was when I
> touched it...  now that I realize what a little oven I've got there I'm
> wondering if adding a couple of whisper quiet muffin fans to the lower vents
> on the back might accomplish.. it would at least move a little air through the
> case...
> anyone with any knowledge on flat screen lcds care to venture an hypothesis
> thanks
> John

Heat coming from the front of the TV is from the lamp.  Not the lamp 
running warm but the infrared component of the light.  Fans in the back 
won't help this.  I'd also assume the engineers put enough vents to 
allow convection to handle carrying away the heat inside the set.

As some have noted, this should not be a problem unless the TV is in a 
cabinet that restricts air flow.  It this is the case I'd add the fans 
to the cabinet instead of the TV.   Putting the fans on the TV would 
just recycle the heat in side the cabinet. Mount a fan to exhaust the 
heat near the top of the cabinet.


Peter T.
> I've learned in life that my primary goal
>   is to serve as a bad example
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