[TechAssist] Re: Zenith PRO880 picture reversal procedure
- From: "tvservice" <tvservice@xxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 1 Feb 2005 12:51:24 -0600
some churches mount the projector in wall behind screen
Robert
tvservice@xxxxxxxxxxxxx
H & H Electronics Inc
----- Original Message -----
From: "Jim Myers" <jr.myers@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, February 01, 2005 12:44 PM
Subject: [TechAssist] Re: Zenith PRO880 picture reversal procedure
> Guess you're right, I had never heard of changing one to a rear projo.
> Whadda ya do then, add a mirror, a cabinet and a screen?
>
>
> ********************************
> Since 1972 *
> Jim Myers *
> Telrad Electronics *
> Fort Wayne Indiana *
> ********************************
>
>
> Leonard Caillouet wrote:
> > Of course you can. Just reverse the polarity on the horizontal yokes.
> > These had connectors that made it easy, IIRC.
> >
> > Any CRT based projector can be reversed for rear projection in this
manner.
> > Same for ceiling mounting vs floor mounting, just reverse the H & V yoke
> > polarities. There may be geometry range problems with the latter if not
> > designed to do so, but even that can be affected by reversing the
> > convergence yokes in most cases.
> >
> > Leonard Caillouet
> > Electronics World
> > 1261 NW 76 Blvd
> > Gainesville, FL 32606
> > 352-332-5608
> > FAX 352-332-5668
> >
> >
> >
> > ----- Original Message -----
> > From: "Jim Myers" <jr.myers@xxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Monday, January 31, 2005 2:54 PM
> > Subject: [TechAssist] Re: Zenith PRO880 picture reversal procedure
> >
> >
> > I don't think you can change it from a rear to a front projo or
> > visa-versa but you can change it from a celling to a floor mount and
> > visa-versa. Once you get the covers off and locate the yoke connectors
> > it should be obvious.
> >
> >
> > ********************************
> > Since 1972 *
> > Jim Myers *
> > Telrad Electronics *
> > Fort Wayne Indiana *
> > ********************************
> >
> >
> > John at Main TV wrote:
> >
> >>I have a service call to reverse the picture on this set. The customer
> >
> > was
> >
> >>using it as a rear projector and now wants to use it for a front
> >
> > projector.
> >
> >>He originally changed it from front to rear but he forgot the procedure
> >
> > and
> >
> >>now Zenith will not give him the procedure. (according to him). He
> >
> > thought
> >
> >>it required changing a plug. I did a google search for that number and
> >
> > find
> >
> >>only sales info. At www.zenithservice.com I entered PRO880 for the
owners
> >>manual and it said "no such number". The customer said that is the only
> >>model number on the unit. Any help appreciated, John.
> >>John Mielke
> >>Main TV
> >>636 main St.
> >>Longmont, Co
> >>phone 303 776 6955
> >>fax 303 776 0792
> >>maintv2004@xxxxxxxxxxx
> >>
>
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