# [TechAssist] Re: 220v

• From: "J Silverman" <greentron@xxxxxxxxxxxxxxxx>
• To: <techassist@xxxxxxxxxxxxx>
• Date: Thu, 19 Dec 2002 19:51:01 -0500
```In the multivoltage models the power supply is either designed to handle the
input voltage range, has a voltage sense circuit to change circuit
components, or a manual switch to let you select the input voltage.
Jerry Silverman
Greentron Inc
4 Newland Ave
Greenville SC 29609
864 232 3889
Fax 271 2080
mailto:greentron@xxxxxxx
----- Original Message -----
From: <Hermantvr@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, December 19, 2002 1:02 PM
Subject: [TechAssist] Re: 220v

>
> 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
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