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PostPosted: Sun Feb 29, 2004 11:39 am 
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Location: USA
Dear All

I know that this topic is not strictly related to Indian DVDs but I needed some friendly Zulmi advice. I have about £3000 to spend on a 42 inch plasma screen television. Main uses will be to watch Sky, DVDs (Indian and English) and very occasionally video.

I know that you guys have some impressive set-ups and I was wondering if you have any recommendations that I can explore further!

Thanks in advance.

Muz.


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PostPosted: Sun Feb 29, 2004 3:51 pm 
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For £3000 you should expect only the best for a 42 inch screen.

First thing is to look for NATIVE RESOLUTION (actual plasma cells). Don't go for any thing less than 1 Millioncells (but, consider 1280x768 = 983,040 as one million) . Possibilities are 1280x768, 1024x1024, or 1368x768. (Even for larger screens like 62 inch, it's the same max native resolution so far and has been for last 5 - 6 yrs). (Don't go for 800x600, 640x480, 720x480 1024x768). I don't know when will they come up with next higher res of 1600x1200.

I have seen plasma TVs, with 1 million cells, for about $ 4000 - $ 5000 (about £2000) .

Contrast ratio, # of colors, brightness etc are other considerations.

Life of plasma cells is another consideration, but how reliable are manufacturers claims, no one knows yet.

Signal processing is another important criterion. You have to see what you need. Plasma TVs are widely available with multiscan that will work for PAL, NTSC, SECAM etc. as well as for Digital and High Def broadcasts. Converting to Progressive from interlaced source (2-3 pull down etc) is another thing to look for. Signal processing chilps are cheap anyway. One thing you have to keep in mind is that for a good source, even the cheapest signal processing will give you a great picture. It's only the bad sources for Indian programming, where you need the expensive signal processing to improve the PQ marginally and that too, if it can.

Good Luck.

Rana




Edited By rana on 1078073182


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PostPosted: Sun Feb 29, 2004 5:13 pm 
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Location: vancouver, canada
you should get one with an lcd, hdtv, and has a dvi input


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PostPosted: Sun Feb 29, 2004 9:34 pm 
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I was going to post, but rana said everything I wanted to say, so all I can say is this: listen to rana.


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PostPosted: Mon Mar 01, 2004 11:36 am 
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Location: USA
Thanks for the advice guys. This info is exactly what I was looking for. I'm now going to download as many tech specs of plasma screens as I can find and hopefully make a choice sometime soon!

Thanks again - I seriously appreciate the advice.


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PostPosted: Mon Mar 01, 2004 2:23 pm 
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Muz, when doing your search, look for another thing, that I just saw a ref at 2 - 3 places.

Plasma cells are temperature sensitive. They loose color accuracy or some other characterisics?? Normally room temp is about 20-25 deg C, so no problem here. But what if one is using plasma in hot weather, where aircond is not avail?? Or if plasma screen is stored in freezing temperatures (Canian vaccation homes)?? One of the specs I saw, mentioned Operating Temp as between 4 deg C and 35 deg C??

Why this small operating range and what are the consequences if temp range is passed, I have no clue, yet.
Not too important, but something to check out.

BTW,

Plasma screens are good for 15,000 to 20,000 hrs.

I always thought LCD screens are good for 2000 to 3000 hrs and are under $ 1000 for up to 24 inch.
But, I saw in some new adverts, LCD screens up to 50 inch, more expensive than plasmas and useful life, as advertized, of 60,000 hrs.??

Rana


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PostPosted: Mon Mar 01, 2004 7:24 pm 
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Location: NYC, USA
Couple of things...

Since you are looking at a 42" model, an HD unit isn't as great a benefit (1280x768) because that's not the native resolution for HD Programming. There will still be scaling involved with every source so you never get true HD with a 42" model.

Options: Nearly 70%(probably more) of the 42" units sold in the US are ED units (800x600) or 480p. The reasons: The 800x600 provides 1x1 pixel mapping for DVD's (480p->480p), and everything is progressive if you have a Faroudja chip DVD player like me:)), so for DVD's the best PQ is an ED unit. Also for standard definition (like cable and Indian TV), the ED provides a better picture because there is a lot less scaling involved (480i->480p). In addition, ED units are brighter than HD units. However, the HD unit does provide a better picture with HD programming (should be obvious), but most (90%, the other 10% from a little farther) people can't tell the difference beyond 6 feet.

So if you're decided on the 42" size, you'll have to evaluate what percentage of HD programming you'll watch, and whether you'll watch it from within 6 feet. If you're getting it primarily for DVD viewing and some Standard Def, I would seriously consider the ED unit because it provides a much better picture quality for those two sources.

If you have the money for a 50" though, that's what I would recommend. A 50" HD unit is bliss for HD (1366X768) or 720p. Like I said the 42" HD isn't really a recognized solution, so the 720p is your best bet until we get to full HD resolution at 1080p, which is still quite a few years away.

The other main thing I would look for in a plasma is a DVI input, so you can get an all digital path for HD from your STB to the plasma. The elimination of digital-analog-digital conversion gives you much better PQ.

In terms of brands, the best ones here in the US are, in order:

1)Fujitsu - best PQ but expensive
2)Panasonic - best black levels, good color (best compromise for most)
3)Pioneer - good color but average black levels
4)NEC - similar to Pioneer
5)Sony - used to be poor, but are now improving

Finally to slightly correct rana, every decent plasma in the US now has a lifetime of 40,000-60,000 hours (especially the brands I've listed above). So for most of us, that shouldn't be a concern since that's well over 10 years of watching.

Just to point out, all the information pertains to the US, so things might be slightly different elsewhere, but I don't suppose radically different.

Also, pretty much all the information that I've gathered is from http://www.avsforum.com/avs-vb, where I spent the last year and a half researching for my own plasma. I suggest you check out the site as it has a wealth of information.




Edited By MalFUnXiON on 1078556415


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PostPosted: Thu Mar 04, 2004 3:17 pm 
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MalFUnXiON wrote:
Couple of things...

MalFUnXiON, I'm not sure whether 1280 x 768 requires scaling for 720P and 1366 x 768 does not. You may be right.

For 480i or 480P, it's 720x480 or 640x480 where scaling will not be required. For 800x600, scaling will be required.??

I agree, less the number of cells, brighter the picture. But, is brightness a problem with higher native res plasmas?? I don't think so.
Choice between low native res plasma where no scaling is required and High native res where scaling is required, there are differing opinions. I personally would prefer higher native res with scaled up picture. The picture has no real higher resolution, but apparent (or calculated picture) resolution is higher. Most likely, some scaling is required for 99% of the situations, it may very well be for higher res.

At one point you mentioned 1980P. I think you meant 1080P??

Life of Plasma cells: 40,000 - 60,000 hrs. OK. Perhaps, 20,000 to 30,000 hrs is spec for time, where cell brightness goes to half its original brightness??

Rana




Edited By rana on 1078413697


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PostPosted: Fri Mar 05, 2004 6:49 pm 
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If your thinking of getting a plasma wait a year or so they will be selling for around $2000.00 CDN, once Samsung gets their oprerations ready in China, right now Best Buy in Toronto has a 42" for $3000.00 CDN thats like 1500 pounds.. So if I were you I would just wait out a year...


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PostPosted: Fri Mar 05, 2004 8:21 pm 
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Is it true that plasma screens generally have a problem with black level?


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PostPosted: Fri Mar 05, 2004 8:38 pm 
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Yes, this what the purists say.

But, I find plasma PQ as good as Picture Tube displays.

I guess, because of Black capability, one important spec to look for is Contrast Ratio.
3000:1 is considered better than 500:1

Rana


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PostPosted: Fri Mar 05, 2004 9:17 pm 
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I dont think, plasma technology is offering enough for price point at this time!


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PostPosted: Fri Mar 05, 2004 9:24 pm 
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muz try this site for your answers

http://www.plasmatvbuyingguide.com/plasmatv.html


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PostPosted: Fri Mar 05, 2004 9:39 pm 
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Clipper wrote:
muz try this site for your answers

http://www.plasmatvbuyingguide.com/plasmatv.html

The very first page I accessed, mentioned 1024x1024 to be interlaced processing and 853x480 as Progressive.

Doesn't have to be this way. May be most screens are like this, but good ones don't have to be this way. As they said, some scaling has to be done for any signal. But, we always can use external scaler/ signal processor.

Must clarify before deciding.

Rana

P.S.
It's 2001 info. and may not be up to date.




Edited By rana on 1078522961


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PostPosted: Fri Mar 05, 2004 9:45 pm 
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rana don't be so premature and rush to judgement i suggest you continue reading :D


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