[TechAssist] Re: use a battery backup UPS for TV,DVD,surroundamp system protection ?
- From: Phil Bader <tjanphyl@xxxxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Fri, 07 May 2004 14:44:12 -0400
Shoot, jerry why are your facts so depressing!
Seriously, I called APC, and the tech said the "stepped sine wave"
versions may not work satisfactorily with , say, an engraving machine
(My next door neighbor has a trophy shop). he suggested their better
Smart UPS line, I think its called.Anyway, it would be sort of self
defeating to destroy the very thing you are wanting to protect...
Phil Bader
J Silverman wrote:
>The computer power supplies work fine with the 115 VAC (RMS) square wave
>output from the low cost UPSs. Most consumer electronic equipment is rated
>for 115 volt RMS 60 Hertz sine wave, plus or minus 10%. If you use the
>computer UPS with consumer electronic equipment the internal voltages and
>losses are different than the spec., so you are not sure if you will have
>functional problems or if things will overheat. A lot of stuff will probably
>work OK, but you cant be sure. So the suggestion was made to use UPSs that
>have a sine wave output and these are many times more expensive than the
>ones with a square wave output.
>
>Jerry Silverman
>Greentron Inc
>4 Newland Ave
>Greenville SC 29609
>864 232 3889
>Fax 271 2080
>mailto:greentron@xxxxxxx
>----- Original Message -----
>From: "Kevin" <kevintv@xxxxxxx>
>To: <techassist@xxxxxxxxxxxxx>
>Sent: Friday, May 07, 2004 5:30 AM
>Subject: [TechAssist] Re: use a battery backup UPS for TV,DVD,surround amp
>system protection ?
>
>
>
>
>>Using a UPS for a computer is also designed to save what a person is
>>working on at the time of a power outage. When the power goes out the
>>computer stays on and the person can save his work and then shut the
>>computer down properly. In some cases it will also prevent data from
>>being corrupted on the hard drive when the power goes out. Having the
>>power outage causes windows to shut down improperly, which could corrupt
>>data on the hard drive.
>>
>>Kevin Wilks
>>Kevin's TV & Video Repair
>>Penticton BC Canada
>>kevintv@xxxxxxx
>>
>>
>>-----Original Message-----
>>From: techassist-bounce@xxxxxxxxxxxxx
>>[mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of Hoyt's TV
>>Sent: Friday, April 30, 2004 2:11 PM
>>To: techassist@xxxxxxxxxxxxx
>>Subject: [TechAssist] Re: use a battery backup UPS for TV,DVD,surround
>>amp system protection ?
>>
>>Considering the price of some TVs and stereos these days, I'm surprised
>>they
>>don't push UPS's for those, like they do for computers. Computers were
>>the
>>first things that were overly sensitive but TVs etc. have now caught up.
>>
>>
>>Russ Hoyt
>>Hoyt's TV
>>Exeter, NH
>>
>>
>>----- Original Message -----
>>From: "Larry Poffen" <lpoffen@xxxxxxx>
>>To: <techassist@xxxxxxxxxxxxx>
>>Sent: Friday, April 30, 2004 3:46 PM
>>Subject: [TechAssist] Re: use a battery backup UPS for TV,DVD,surround
>>amp
>>system protection ?
>>
>>
>>
>>
>>>I have used a APC 1000 for my personal stuff for about 2 years. I had
>>>
>>>
>>a
>>
>>
>>>power surge that took it out this year, along with many other things,
>>>
>>>
>>but
>>my
>>
>>
>>>36" TV &VCR/ stereo stuff were all OK. It is worth the peace of
>>>
>>>
>>mind.
>>
>>
>>>Larry
>>>
>>>Larrys TV Service
>>>Broken Arrow OK 74011
>>>phone 918-455-1041
>>>Fax 918-451-4485
>>>e-mail lpoffen@xxxxxxx
>>>----- Original Message -----
>>>From: "Phil Bader" <tjanphyl@xxxxxxxxxxxxxxx>
>>>To: <techassist@xxxxxxxxxxxxx>
>>>Sent: Friday, April 30, 2004 9:06 AM
>>>Subject: [TechAssist] use a battery backup UPS for TV,DVD,surround amp
>>>system protection ?
>>>
>>>
>>>
>>>
>>>>I never heard of anyone doing this, but I've had this thought for a
>>>>
>>>>
>>few
>>
>>
>>>>years:
>>>>use a heavy battery back up UPS like used on PC systems for an
>>>>entertainment center. Many ills are from power
>>>>fluctuations,sags,surges,etc. TV EEPROMs corrupted, power supplies
>>>>damaged, pro-jo CRTs damaged with a spot because it went down at
>>>>
>>>>
>>once
>>
>>
>>>>without proper power down,etc.
>>>>Most equipement is not a heavy current draw.
>>>>Can this be done and should it?
>>>>I have a Zenith 50" projection TV (not wide screen,standard 3:4)
>>>>
>>>>
>>which
>>
>>
>>>>is rated at 215 watts (2.8A) "max".
>>>> I think my VCR/DVD deck pulls maybe 30 watts.
>>>>My Bose "lifestyle 7" surround amp, I don't know the wattage.
>>>>And a cable box maybe another 30 watts?
>>>>I'm guessing 300-400 watts max running everything
>>>> if using the sound system as well. Much less if using only the
>>>>
>>>>
>>projo's
>>
>>
>>>>speakers.
>>>>Now most of these UPS units are in standby mode and the connected
>>>>
>>>>
>>gear
>>
>>
>>>>is running off line current until there is a power loss, which time
>>>>ultra-fast switching transferrs power to the battery system. This
>>>>
>>>>
>>would
>>
>>
>>>>be only needed for intermittant power fluctuations, or if lost
>>>>
>>>>
>>totally,
>>
>>
>>>>enough time to safely power off the audio/video system.
>>>>A 6 outlet power strip plugged into the UPS would be convenient.
>>>>What would be a good power rating for a UPS?
>>>>Twice needed wattage? whats rule of thumb, and also whats your
>>>>
>>>>
>>feedback
>>
>>
>>>>on this idea?
>>>>Phil Bader
>>>>
>>>>--
>>>>
>>>>Philip Bader
>>>>Jan Phyl TV Inc. (estab. 1976)
>>>>3420 Recker Hwy. Winter Haven, Fl. 33880
>>>>Fax (863) 299-8821
>>>>email: tjanphyl@xxxxxxxxxxxxxxx
>>>>
>>>>
>>>>
>>>>
>>>>
>>>
>>>
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