DIY power conditioner?

leadbelly · 14th March 2006, 12:12 AM

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)

karma · 14th March 2006, 12:58 AM

any u.p.s will do i have about 6 around the place.

pinkmouse · 14th March 2006, 01:00 AM

Surge/spike protection should be fine, but then again, fifteen years is pretty good for a piece of consumer electronics these days...

karma · 14th March 2006, 01:05 AM

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.

leadbelly · 14th March 2006, 03:43 AM

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?

karma · 14th March 2006, 03:54 AM

yup

Nordic · 14th March 2006, 03:58 AM

Please expand, as I have one of those I ripped from a 15" monitor.

velmeran42 · 14th March 2006, 04:50 AM

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)

leadbelly · 14th March 2006, 03:09 PM

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.

14th March 2006, 12:12 AM	#1
leadbelly diyAudio Member Join Date: Dec 2002 Location: Calgary, Alberta	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) __________________ Aerodynamics are for people who can't build engines. Enzo Ferrari

14th March 2006, 01:00 AM	#3
pinkmouse diyAudio Moderator Join Date: Apr 2002 Location: Chatham, England	Surge/spike protection should be fine, but then again, fifteen years is pretty good for a piece of consumer electronics these days... __________________ Al I conceive of nothing, in religion, science or philosophy, that is more than the proper thing to wear, for a while. Charles Fort

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14th March 2006, 12:58 AM	#2
karma diyAudio Member Join Date: Feb 2003 Location: hamilton,ontario	any u.p.s will do i have about 6 around the place.

14th March 2006, 01:05 AM	#4
karma diyAudio Member Join Date: Feb 2003 Location: hamilton,ontario	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.

14th March 2006, 03:54 AM	#6
karma diyAudio Member Join Date: Feb 2003 Location: hamilton,ontario	yup

14th March 2006, 03:58 AM	#7
Nordic diyAudio Member Join Date: Sep 2005	Please expand, as I have one of those I ripped from a 15" monitor.

14th March 2006, 04:50 AM	#8
velmeran42 diyAudio Member Join Date: Jan 2005 Location: Issaquah, WA	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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