[TechAssist] Re: 220v
- From: Joe Batchelor <jbc@xxxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Fri, 20 Dec 2002 22:43:45 -0600
In Texas we have oil rigs out in the Gulf of Mexico that use 220 VAC.
I assume 110 is not available there. Many years ago I had a Sony come
in the shop with a power supply problem and the AC cord had been cut
and a new 110 V plug was added. No one told me it was 220 and after
I got the supply running it had low voltage, kind of like a bad 5U4.
I did not have the exact schematic and it was hard to convince anyone
that it really needed 220 v. It is now common knowledge that the off shore
rigs run 220 VAC.
I do not have the answer on the CTC187.
Joe Batchelor CET TX-80
12/20/02 9:48:23 PM, "Electric Medic" <info@xxxxxxxxxxxxxxxxx> wrote:
>Yeah, we have 220 coming to our house, one 110 on one side of breaker box,
>and another 110 on the other side. I wired a special 220v outlet to my
>building outside. But in the tens of thousands of TV's that I have fixed, I
>have never had any customer that lived in the states say he used 220v on his
>TV. I don't know or care what they use overseas. I still can not figure out
>why anybody in the states would use 220v on a TV, and how they would even
>plug it in. I know the manual says this chassis will work on 220v, but why
>in the states? I am still confused about the member that says the CTC187
>works fine on 110v but hums on 220v. I have not seen it answered does he
>live in the states or overseas? Does he have two power cords or are they
>running 220v to a standard 110 outlet. I do not think I saw this addressed,
>or I missed many post.
>
>Perry
>Electric Medic
>
>-----Original Message-----
>From: techassist-bounce@xxxxxxxxxxxxx
>[mailto:techassist-bounce@xxxxxxxxxxxxx]On Behalf Of Jeff Dougherty
>Sent: Friday, December 20, 2002 10:00 PM
>To: techassist@xxxxxxxxxxxxx
>Subject: [TechAssist] Re: 220v
>
>
>
>Now wait...don't we all have 220 coming in to our homes now?
>If you have an electric range, it requires 220...two hots and a neutral.
>110vac is distributed to the rest of the wiring.
>This may be a little off topic for this list, but I still believe it to be
>an
>interesting topic...as well as a learning one.
>In-other-words, doesn't the step-down transformer send 220 to our panels?
>support@xxxxxxxxxxxxxxxxxx
>FAX 717-564-4952
>Jeff Dougherty
>Intrepid Video & Electronics Be careful of your thoughts.
>501 Luther Rd They may become your words
>Harrisburg, PA 17111 any moment.
>717-909-8844
>VCR tips, electronics info & general interest.
>www.intrepid-video.com www.tech-repair.net
>www.thetoolcaddy.com www.9-11-2001tragedy.com
>***********************************************************************
>
>----- Original Message -----
>From: "Damon" <DAMON101@xxxxxxxxxxxxxx>
>To: <techassist@xxxxxxxxxxxxx>
>Sent: Friday, December 20, 2002 6:52 AM
>Subject: [TechAssist] Re: 220v
>
>
>
>This really doesn't make economical sense, tri-phase systems in residential
>areas??
>
>REALITY: 2 wires provide power, the only difference is the transformer setup
>that drops down the power to your home. In the land of 110 our transformer
>outputs 220V with a center tap that delivers 2 - 110V supplies or 1 - 220V
>supply. (Hey, isn't that sweet....3 supplies in one, eh?).
>
>As for the european 220V supply system......I can only guess, but you do not
>have that Center-tap. And I really doubt that the electric company is going
>to use 2 wires for power, then strap on a 3rd wire for grounding purposes
>(what purpose would that serve, except to reference the metal toaster casing
>to your bathtub water??). I'm sure the 220V tranformers have no practical
>need for earth ground, since all the electronics would behave as though they
>had an "Isolation transformer" on them. (That's the stepdown
>transformer...outside your home).
>
>Personally, I've heard that 110V is more dangerous than 220V......but I
>don't see that as a logical argument...What.....110 has less voltage,
>therefore we enjoy holding onto it longer, thus toasting us, but not the
>europeans????
>If anybody has an answer to why 220 is safer than 110.... I'm listening.
>
>And that TRI-PHASE residential power supply??? Man, that is a load of
>hooey....of course, the government planners weren't reaching into their
>pockets, so I can assume they tapped into your dad's or grandad's wallet??
>
>Damon Brunger
>damon101@xxxxxxxxxxxxxx
>Telrad Electronic Services
>Ft Wayne, IN 46815
>----- Original Message -----
>From: "Vilhelm Boor" <villyboor@xxxxxxxxx>
>To: <techassist@xxxxxxxxxxxxx>; <techassist@xxxxxxxxxxxxx>;
><techassist@xxxxxxxxxxxxx>
>Sent: Friday, December 20, 2002 8:29 AM
>Subject: [TechAssist] Re: 220v
>
>
>>
>> Villy Boor
>> Boorelec Durban
>> I have to come back with a post script, To get voltage for a TV at over
>200V would require you to use a transformer. I am sure there could be other
>methods using odd switching type devices but extremes of design like that
>would be nonsense as it would be cheaper to get the correct model. I can not
>see where the smoke would be derived if you stuck this on your TV as I am at
>a loss as to how you would hook it up.
>> On Fri, 20 Dec 2002 07:59:10
>>
>> --
>>
>> On Fri, 20 Dec 2002 07:59:10
>> Vilhelm Boor wrote:
>> >
>> >Villy Boor
>> > Boorelec Durban
>> > I am shocked that I know more about your power supplies in North
>America than seemingly you its residents do. North America works on 110V and
>you are stuck with that, tough its not as safe and losses are greater. Now
>you have a situation where you wish more voltage, you have to cheat The
>mains supply is 3 phase, it is usual to run a line down a street and try to
>balance the power by having house 1 on phase 1 house 2 on phase 2 etc. To
>get 220V you have to cheat, you use 2 phases so a plug has 2 live's. But why
>in the name of Freddy would we have to do that. Options on the back of TVs
>have gone, that requires you have a mains transformer, costs money is a no
>no. American TV is only viewable in America and a few other countries, the
>rest of us use the PAL system a much later and superior system, it follows
>then there is no requirement for your sets to work here or X. No we have
>standard 3 pin plugs (flat Pins pointing at 10 and 2 with an unused earth at
>6) nominal fuse volt
>> a
>>
>> > ge
>> > is 4A and there is no mystery
>> >--
>> >
>> >On Thu, 19 Dec 2002 21:54:26
>> > Julian Panizo wrote:
>> >>
>> >>In the countries with 220-240 V many sets have the 110 V option via
>switch
>> >>and a few have the voltage change automatic. The household wiring is two
>(2)
>> >>conductors, normally one hot and the other neutral, derived from a
>street
>> >>trifasic supply. In a few countries you get in some places 220 and
>others
>> >>110.
>> >>Julian
>> >>
>> >>Julian Panizo
>> >>C.C. 1867 Asunción Paraguay
>> >>Phone/Fax 595 21 601913
>> >>panizo@xxxxxxxxxxxxxxx
>> >>----- Original Message -----
>> >>From: "Electric Medic" <info@xxxxxxxxxxxxxxxxx>
>> >>To: <techassist@xxxxxxxxxxxxx>
>> >>Sent: Thursday, December 19, 2002 8:41 PM
>> >>Subject: [TechAssist] Re: 220v
>> >>
>> >>
>> >>>
>> >>> We STILL have not answered the QUESTION. Does this guys set work on
>> >>> 220volts. He said the set worked on 110v but not properly on 220v. I
>can
>> >>not
>> >>> believe that the set was designed to work on 220v using the same power
>> >>cord
>> >>> that came with the set. Every 220v circuit I have seen here in the
>states
>> >>> has a different cord (larger plug) with two hots. Is this some special
>> >>> CTC187AD. I think this is important enough to answer. We all know that
>220
>> >>> has to hots and a neutral, and 110 has one hot and a neutral. I am
>> >>> interested how in the world he is plugging a CTC187 into a 220v
>outlet.
>> >>> Please someone, or the owner of the set EXPLAIN. Everyone that I have
>seen
>> >>> will smoke if you apply 220v. This is driving me crazy. Why would
>anyone
>> >>> want to run his set on both 110v and 220v anyway? It seems to me if it
>> >>> worked on 110v, that should be good enough. Very confused here in
>Georgia.
>> >>>
>> >>> Perry Bower
>> >>> Electric Medic
>> >>> "It's Cheaper to Keep Her"
>> >>> http://www.electricmedic.com
>> >>> Check out the Electronic Repair Screensaver We created. More Images to
>> >>come!
>> >>> To download these Collections you must first install the Eyetide
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>> >>> "We're Number One Where it Really Counts, With our Customers"
>> >>> 3850 Washington Road Suite 5b
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>> >>> Phone: 706-8MEDIC4 (863-3424)
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>> >>>
>> >>> -----Original Message-----
>> >>> From: techassist-bounce@xxxxxxxxxxxxx
>> >>> [mailto:techassist-bounce@xxxxxxxxxxxxx]On Behalf Of Larry E.
>> >>> Sent: Thursday, December 19, 2002 2:11 PM
>> >>> To: techassist@xxxxxxxxxxxxx
>> >>> Subject: [TechAssist] Re: 220v
>> >>>
>> >>>
>> >>>
>> >>> Tommy, their talking about European tv sets not North American
>> >>> Larry Eastman
>> >>> American TV & Electronics
>> >>> Crystal River, Fl. 34428
>> >>>
>> >>> Hermantvr@xxxxxxxxxxxxx wrote:
>> >>>
>> >>> > Guys...I really don't know what you mean when you talk abut a TV
>using
>> >>> 220v.
>> >>> > On a 120v line you have a hot side and a neutral (0 volts) side. On
>a
>> >>240
>> >>> > line you have two hot sides.....believe me it will let the smoke out
>of
>> >>> yur
>> >>> > power supply filters.
>> >>> >
>> >>> > Tommy Herman
>> >>> > Herman TV
>> >>> > 250 School Ave SW
>> >>> > Taylorsville N.C. 28681
>> >>> > 828-632-5322 Voice
>> >>> > 828-632-3880 Fax
>> >>> >
>> >>> > If a TV requires 120 Watts of power, you could power it with 120V, 1
>Amp
>> >>> > or 240V, 0.5A.
>> >>> >
>> >>> >
>> >>> > Gary McCartney
>> >>> >
>> >>> > McCartney Electronics
>> >>> > 7134 Fife Rd, RR 7
>> >>> > Guelph Ontario Canada N1H 6J4
>> >>> > Fax: (519)821-1530
>> >>> > email: gary (at) number63.ca
>> >>> >
>> >>> >
>> >>> >
>> >>> >
>> >>> > gulftech@xxxxxxxx wrote:
>> >>> >
>> >>> >>Dear Villy,
>> >>> >>
>> >>> >>Most of us know that formula as P = IE. Since current is directly
>> >>> >>proportional to voltage ( I = E/R), an increase in voltage yields a
>> >>> >>corresponding increase in current with R held constant. If current
>and
>> >>> >>voltage are both doubled, power is increased by a factor of 4.
>> >>> >>
>> >>> >>If I'm wrong, please set me straight.
>> >>> >>
>> >>> >>Regards,
>> >>> >>
>> >>> >>Ken Smith
>> >>> >>Gulf Technical Services
>> >>> >>3034 Gulf Breeze Parkway
>> >>> >>Gulf Breeze, FL 32563
>> >>> >>850-934-8324 (Voice) 850-932-0819 (Fax)
>> >>> >>
>> >>> >>On Thu, 19 Dec 2002 11:03:37 0000 "Vilhelm Boor"
><villyboor@xxxxxxxxx>
>> >>> >>writes:
>> >>> >>
>> >>> >>>Villy boor
>> >>> >>> Boorelec Durban
>> >>> >>> When I read some of this I am rather surprised, where were some of
>> >>> >>>you trained, what happened to Ohms law? Why 2 round prongs. Most
>> >>> >>>countries use various combinations of flat pin at various angles,
>> >>> >>>Round pins tended to have a bakelite body.
>> >>> >>> But please remember W=IV so the greater V is the less I will be
>so
>> >>> >>>cables are lighter, plugs can be smaller and fuses lower I. Philips
>> >>> >>>for example make a wide range of TV with an input requirement of
>> >>> >>>from 90V to 270V, just plug it in and its working. I am sometimes
>> >>> >>>left speechless, this is your subject and livlihood, you must know
>> >>> >>>basics.
>> >>> >>>On Wed, 18 Dec 2002 19:43:29
>> >>> >>> teltek2 wrote:
>> >>> >>>
>> >>> >>>>No...Their 220 does not requite a huge plug like your dryer..just
>2
>> >>> >>>>
>> >>> >>>round
>> >>> >>>
>> >>> >
>> >>> > Tommy Herman
>> >>> > Herman TV
>> >>> > 250 School Ave SW
>> >>> > Taylorsville N.C. 28681
>> >>> > 828-632-5322 Voice
>> >>> > 828-632-3880 Fax
>> >>> > hermantvr@xxxxxxxxxxxxx
>> >>> > ------------------------------------------
>> >>> > Submit A Repair Tip For Everyone Here:
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>> >>> >
>> >>> >
>> >>>
>> >>>
>> >>> --
>> >>> Larry Eastman
>> >>> American TV & Electronics
>> >>> Crystal River, Fl.
>> >>> http://www.tvjunkyard.com
>> >>>
>> >>> ------------------------------------------
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