[TechAssist] Re: FYI.....1080i Sync Generator for 52.50.........
- From: Gary McCartney <gary@xxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Wed, 12 Jan 2005 01:02:33 -0500
ATI offers the new ALL IN WONDER HD video card/TV tuner card for
computers. Would that be able to generate the required video output?
Gary McCartney
McCartney Electronics
Guelph Ontario Canada
Est. 1984
email: gary (at) number63.ca
Leonard Caillouet wrote:
> CRT based HD sets nearly all operate at two scan frequencies, 480p and
> 1080i. 480i is usually upconverted to 480p and 720p is usually converted to
> 1080i. Each scan rate requires convergence. Additional formatting options
> may require special attention to linearity and size, like the wide zoom mode
> in the Sony sets. Note that these modes may intentionally introduce
> non-linearity to stretch the pix more or less in different areas of the
> screen. On the Sony sets if you do ALCP and copy to the wide zoom mode you
> may be overwriting the intentionally non-linear adjustments that stretch the
> sides more than the middle. This is why Sony recommends using COPY, which
> copies to everything except this mode.
>
> Since the sets have internal pattern generators, all that is needed is a
> sync signal at the proper frequencies. Any NTSC signal will let you do the
> 480p mode. Mitsubishis can be forced to run at 1080i on the DTV inputs.
> Most others cannot, hence the usefulness of this device. I use an old
> defective HD sat receiver that has a bad satellite tuner but still works for
> OTA HD.
>
> I am waiting on HD DVD as well and hope to ultimately have one in a notebook
> PC to use as a signal generator. Can't see the point in investing in a more
> expensive piece of equipment. Most of them don't even have all of the
> various outputs (HDMI, IEE1394).
>
> Leonard Caillouet
> Electronics World
> 1261 NW 76 Blvd
> Gainesville, FL 32606
> 352-332-5608
> FAX 352-332-5668
>
> ----- Original Message -----
> From: "Phil Bader" <tjanphyl@xxxxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Tuesday, January 11, 2005 2:05 PM
> Subject: [TechAssist] Re: FYI.....1080i Sync Generator for 52.50.........
>
>
> Don't you have to re-converg in several modes, not just 1080i?
> Phil
>
> Jim Myers wrote:
>
>
>>Ie, the recent discussion on the Sony KP57HW40 and 1080i mode convergence.
>>Samsung sells a 1080i sync generator for $52.50 that works with any DTV
>>that has a component input and an internal crosshatch generator. You
>>simply plug it into the yellow connector of the 1080i component input,
>>put the set into that input mode, call up the convergence service menu
>>and turn on the generator. The set switches to 1080i mode. It works with
>>Samsung, Sony, Apex and probably most other brands. If you can purchase
>>Samsung parts you should be able to purchase this device. P/N is
>>DTV-Sync1080I
>>
>>
>
>
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