Composite Video Question

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I have a Pioneer HDTV. It has 5 inputs. #1 is a male composite SYNC
Analog RGB input. #2 is HDMI. #3 is S-video. #4 is a RCA video
input. #5 is component. I have not used #1 and #2. I have a RCA to
S-video cable to connect my VCR to Input #3. My progressive scan DVD
is connected to #4 and my HDTV cable box is connected to #5. But my
DVD also has composite video outputs. It has occurred to me that I
could Y off #5 and input both the DVD and the cable box. However, the
Y RCA wires are less heavy than the RGB cables that I'm using. Would
I gain anything by Y-ing the DVD and the cable box? Also, would I be
losing anything? Would the DVD picture be any worse? I would
appreciate any and all thoughts. Thanks.
 

Richard

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"Scribner" <walter3ca@yahoo.com> wrote in message
news:mg9961997i07p85j5j0rfed4q33btllp7p@4ax.com...
>I have a Pioneer HDTV. It has 5 inputs. #1 is a male composite SYNC
> Analog RGB input. #2 is HDMI. #3 is S-video. #4 is a RCA video
> input. #5 is component. I have not used #1 and #2. I have a RCA to
> S-video cable to connect my VCR to Input #3. My progressive scan DVD
> is connected to #4 and my HDTV cable box is connected to #5. But my
> DVD also has composite video outputs. It has occurred to me that I
> could Y off #5 and input both the DVD and the cable box. However, the
> Y RCA wires are less heavy than the RGB cables that I'm using. Would
> I gain anything by Y-ing the DVD and the cable box? Also, would I be
> losing anything? Would the DVD picture be any worse? I would
> appreciate any and all thoughts. Thanks.

I recommend a component video switch box instead of using 4 y connectors.
Such connections will change impedance values and have an adverse impact on
picture quality.

Richard.
 
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On Tue, 19 Apr 2005 08:25:36 -0400, "Richard" <rfeirste at
nycap.rr.com> wrote:

>
>"Scribner" <walter3ca@yahoo.com> wrote in message
>news:mg9961997i07p85j5j0rfed4q33btllp7p@4ax.com...
>>I have a Pioneer HDTV. It has 5 inputs. #1 is a male composite SYNC
>> Analog RGB input. #2 is HDMI. #3 is S-video. #4 is a RCA video
>> input. #5 is component. I have not used #1 and #2. I have a RCA to
>> S-video cable to connect my VCR to Input #3. My progressive scan DVD
>> is connected to #4 and my HDTV cable box is connected to #5. But my
>> DVD also has composite video outputs. It has occurred to me that I
>> could Y off #5 and input both the DVD and the cable box. However, the
>> Y RCA wires are less heavy than the RGB cables that I'm using. Would
>> I gain anything by Y-ing the DVD and the cable box? Also, would I be
>> losing anything? Would the DVD picture be any worse? I would
>> appreciate any and all thoughts. Thanks.
>
>I recommend a component video switch box instead of using 4 y connectors.
>Such connections will change impedance values and have an adverse impact on
>picture quality.
>
>Richard.
>
OK, thanks.
 
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