Re: Pioneer Dvr-320 fuzzy tuner image


"Alex" <bbtser@xxxxxx> wrote in message
news:44f48cf4$0$15874$4fafbaef@xxxxxxxxxxxxxxxxxxxxxx
Richard Crowley wrote:

No, it does not seem reasonable that Pioneer (or anyone)
would build a filter into their equipment that degrades the
quality of the video. But there are plenty of ways of de-
grading the video quality by perfectly ordinary methods.

When you are "using the Pioneer as a TV recorder" does
that mean that you are using the tuner in the Pioneer, or
that you are recording from the video coming from the
Sony VHS?

I'm using the Pioneer built-in tuner.

What does it look like when you run directly from the
antenna into the Pioneer DVR antenna input?

It doesn't make any difference: same softened image.
It's a pity that I can't post images to usenet, but I can email you some
if you want.

Does "daisy-chained" mean that you are coming out of the
"antenna output" of the Sony VHS into the "antenna input"
of the Pioneer DVR?

Exactly

> Or does it mean that you are splitting
the antenna signal and going into the antenna inputs of each
machine directly? Using the "antenna output" of ANYTHING
is practically guaranteed to degrade the quality of any video.

I'm not splitting.

OTOH, the tuner in the Pioneer DVR may just be lousy.
It would not surprise me a bit if you discovered that the
tuner in the Sony VHS is superior to the tuner in the
Pioneer DVR.

Possibly, since I think the tuner is a digital not an analog one.
I'm saying this because if I lower the antenna signal strenght on the
pioneer antenna input the picture freezes like in a digital transmission.
Why?
This requires more explanation.
I'm assuming that the tuner in the Pioneer dvr (being the Pioneer a more
recent model) must be superior to the Sony's (that I've been owning
since 1999).


NEVER "daisy-chain" RF/antenna signals. This is just
asking for the kind of signal degradation you are seeing.
If you want to feed the antenna signal to two different
devices, use a splitter and run the signal directly to each
machine. 2-way splitters are extremely inexpensive
(< US$1 in my neighborhood.)

Yes but since feeding the Pioneer tuner directly from the antenna, the
situation doesn't change. Still this damn softened picture.
But what's bugging me the most is that especially on hi contrast
contours there's some kind of smearing only on really close vertical
lines.

The RF modulator in a typical piece of consumer gear
(such as the Sony VHS or Pioneer DVR) cost maybe
US$ 1-2 vs. a commercial TV modulator which costs
maybe US$5000-10000 You do the math. Which one
do you think makes a sharper picture?

I missed to say that the softening and the smearing above doesn't occur
using the rgb inputs.

I haven't found any improvement since I posted the old message that you
linked to. As you said, feeding the signal directly into the Piopneer DVR
does not solve its bad-tuner problem.

When I want to record something on the Pioneer DVR, I set it to record
channel L1, which is the input from my Sharp VCR; and I just leave the VCR
on the channel that I want to record.

It works, but really should be unnecessary -- I like the Pioneer DVR's
recording, but its tuner is poor, even lousy.

Fortunately, my live DVD recording needs are few and simple. If I needed to
set the DVR to record several shows on different channnels while I was away,
I suppose the only way would be to put a blank tape in the VCR, and set the
VCR to tape the shows at slow speed. I would later watch the DVD rather than
the tape, but this would be my only way to change the VCR channel, in order
to get what I want, with decent tuning, recorded on the Pioneer DVR.

The Pioneer tuner is a serious disappointment. Next time I need a DVR, I'll
probably go with Panasonic.


.

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