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Old 14th March 2006, 12:12 AM   #1
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Default DIY power conditioner?

Problem: plug-in 120V space heaters appear to have done quite a number on the old family TV (about 15 years old). It looks like it is time for a new TV and I would like to add something to make sure the problem doesn't reoccur.

Any recommendations on what type of power conditioner would be most effective for this type of application? Is it a simple surge suppressor & filter like this: http://www.geocities.com/jonrisch/surge.htm ? I am thinking something like that is hardly worth DIY'ing, but if it gets more complex than that I am all ears (eyes)
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Old 14th March 2006, 12:58 AM   #2
karma is offline karma  Canada
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any u.p.s will do i have about 6 around the place.
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Old 14th March 2006, 01:00 AM   #3
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Surge/spike protection should be fine, but then again, fifteen years is pretty good for a piece of consumer electronics these days...
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Old 14th March 2006, 01:05 AM   #4
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heh i still have one from 1980 works great. only had to adjust the color from the inside. picture was a little green now its like new
picture that is.
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Old 14th March 2006, 03:43 AM   #5
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I just remembered something I had in the parts bin. It's a 3.3mH line filter rated at 4.2 amps, DCR = 0.041 ohms. That should be acceptable to roll my own super-filter, shouldn't it?
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Old 14th March 2006, 03:54 AM   #6
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yup
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Old 14th March 2006, 03:58 AM   #7
Nordic is offline Nordic  South Africa
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Please expand, as I have one of those I ripped from a 15" monitor.
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Old 14th March 2006, 04:50 AM   #8
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Can't say how well it works, but I built one of these. I only say I can't comment because I rewired the outlet / junction box, and addressed some grounding issues at the house I'm renting. It may be near impossible to track down the inductors needed anymore unfortunately. The circuit layout is still a good starting point.

(My power issues were fixed before placing the power filter into my system, so I can only say it doesn't hurt my power quality)
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Old 14th March 2006, 03:09 PM   #9
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Quote:
Originally posted by Nordic
Please expand, as I have one of those I ripped from a 15" monitor.
Just build the Jon Risch filter which is linked to TWICE in this thread using your salvaged component in place of the 2 inductors.
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