Official Samsung PNxxF8500 Owners Thread (No Street Price Talk) - Page 362 - AVS | Home Theater Discussions And Reviews
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post #10831 of 10847 Old Yesterday, 11:08 PM
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Originally Posted by DanL0 View Post
Hello,

Finally, the volume from SmartHub's apps is really low and the voices are kind of muffled. When watching Netflix I have to crank up the volume to 30 in order to more or less hear. When watching movies through Amazon, voices are very low compared to background sound (e.g. Inception). I've tried "Clear Sound" and other options but they don't change much.

Again, any advice/suggestions will be very helpful.
When I set "Auto Volume" in the Speaker settings menu to "Normal", it really gives me a boost to the audio. 30 Volume would blow me out of the room in that mode. Try it out if you haven't already. I also use "Clear Voice".
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post #10832 of 10847 Old Yesterday, 11:47 PM
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The uniformity on my brothers $800 Samsung 5300 plasma blows mine away .... His picture quality mirrors mine and balcks too.... His uniformity is perfect where mine has flaws.... What the hell Samsung ???
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post #10833 of 10847 Old Today, 12:06 AM
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Is "Screen Fit" disabled when HDMI is named "PC" for you too? What settings do you use for gaming? I notice the lag on default settings, and also in game mode. "PC," which has the smallest delay, doesn't look good.
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post #10834 of 10847 Old Today, 12:07 AM
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Originally Posted by DanF8500 View Post
When I set "Auto Volume" in the Speaker settings menu to "Normal", it really gives me a boost to the audio. 30 Volume would blow me out of the room in that mode. Try it out if you haven't already. I also use "Clear Voice".
It does help. Now I find the volume at 15 for Netflix to be comfortable, and 10-9 for TV channels from air antenna. Thanks for the tip.
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post #10835 of 10847 Old Today, 12:41 AM
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Originally Posted by hove131 View Post
The uniformity on my brothers $800 Samsung 5300 plasma blows mine away .... His picture quality mirrors mine and balcks too.... His uniformity is perfect where mine has flaws.... What the hell Samsung ???
Smaller plasma screens will have less flaws, or noticeable flaws. Making plasma screens 65 inches or larger have been a challenge for tv makers.
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post #10836 of 10847 Old Today, 12:43 AM
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His plasma is 60"
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post #10837 of 10847 Old Today, 05:47 AM
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Originally Posted by hove131 View Post
His plasma is 60"
Frankly I'm surprised you found a F5300 with good uniformity. All the ones I've seen are worse than my F8500s.

Making a uniform panel would cut into their profit margins! You just have to find one you can live with. You probably just bucked the odds and saw a best in show F5300 while your F8500 might be a bit of a mutt.

I'm new to plasma but I'm finding that the uniformity issues bother me more than on LED because they include color variance. Side lit LED's backlight variance bothers me less. While it's sad it also makes sense that getting millions of plasma cells to react to voltages in the exact same way is more difficult than avoiding pixel element variance on LCD. Better manufacturers than Samsung do it better IMO so it's possible... Just not profitable.
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post #10838 of 10847 Old Today, 07:34 AM
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Which city is this?
Funny you ask, I'm in Calgary as well.

I'm pretty sure the one I bought last night is the last one.

Were you looking for one too?
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post #10839 of 10847 Old Today, 07:39 AM
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Memory Express?
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post #10840 of 10847 Old Today, 07:47 AM
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Memory Express?
Yeah the NE location.
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post #10841 of 10847 Unread Today, 11:51 AM
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Originally Posted by djbluemax1 View Post
One important thing to consider, ESPECIALLY if you are ONLY using fans for hot air extraction, vs blowers that blow air INTO the equipment:
adding foam or any other form of air filtration over the vent holes will severely restrict the airflow into and through the equipment. Using foam or pleated fiber or any other kind of filters over the intake vent holes while ONLY using heat extraction fans can potentially cause increased heat in components vs without any add-ons at all.
Max
That's not what my (mute737enter) panel temp indicates (32° C).
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post #10842 of 10847 Unread Today, 12:01 PM
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Originally Posted by AMartin56 View Post
Frankly I'm surprised you found a F5300 with good uniformity. All the ones I've seen are worse than my F8500s.

Making a uniform panel would cut into their profit margins! You just have to find one you can live with. You probably just bucked the odds and saw a best in show F5300 while your F8500 might be a bit of a mutt.

I'm new to plasma but I'm finding that the uniformity issues bother me more than on LED because they include color variance. Side lit LED's backlight variance bothers me less. While it's sad it also makes sense that getting millions of plasma cells to react to voltages in the exact same way is more difficult than avoiding pixel element variance on LCD. Better manufacturers than Samsung do it better IMO so it's possible... Just not profitable.
My observations between plasma and LCD displays are a polar opposite of yours. Not only is uniformity noticeably better but color luminance is MUCH better on a plasma IMO.

Since it's not probable that all the Samsung plasmas you have owned have had bad uniformity I'm wondering what the heck you're observing. Perhaps your power source fluctuates too much.

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post #10843 of 10847 Unread Today, 12:06 PM
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post #10844 of 10847 Unread Today, 12:56 PM
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Originally Posted by WantsNWarrants View Post
That's not what my (mute737enter) panel temp indicates (32° C).
That shows the temperature from a single sensor. To really see know what effect you're having, you would have to use a thermal imager. While covering the vents and holes with foam/filters and placing a vent fan at certain spots may reduce the temperature at specific locations, it will likely cause increased temperatures at others simply because you've impeded the airflow.


Max
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post #10845 of 10847 Unread Today, 01:22 PM
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My observations between plasma and LCD displays are a polar opposite of yours. Not only is uniformity noticeably better but color luminance is MUCH better on a plasma IMO.

Since it's not probable that all the Samsung plasmas you have owned have had bad uniformity I'm wondering what the heck you're observing. Perhaps your power source fluctuates too much.

It's really not that complicated.


If I throw up a full screen white field on my Kuro 5020FD the screen appears to the eye to be the same uniform color. Certainly not as bright as the F8500 can reach due to ABL but the color appears uniform.


If I do the same on my F8500s I don't really see any obvious dimming from ABL (which is nice!) but areas of the screen (that vary from panel to panel) do not appear to be uniform in color. Most often one part of the screen will appear green or pinkish. My current panel appears a bit greenish in the center....my previous ones tended to be pinkish on the right side. This is also visible in grayscale fields that are less than peak white.


Since I think it's important to not entirely rely on my eyes alone I pull out my colorimeter and take readings on the same full screen white field using a meter positioning pattern similar to an ANSI checkerboard. Where I perceive color push the meter does as well. And where I think it's particularly bad the meter reports an error beyond dE 3.0 (which of course makes sense as that's supposed to be where you would start to notice it).


Now I know that test patterns aren't content so I've only replaced one panel for 'the issues' I describe above because the problem with this one WAS visible in normal content. I just get a bit offended when reviewers use the word 'perfect' to describe the uniformity of these sets because I've yet to see it.


I've never owned a F5300 so I can't say that I've measured one but to the eye the ones I've seen had areas of pinkish hue on white backgrounds that was much worse than I've personally seen on my F8500s. And all 3-4 I've seen have had it.

My side lit LED's uniformity is TOTALLY worse than my F8500. But the issues tend to be what you would expect...flashlighting, light bleed from the edges etc. To my eye there is no real color push involved with this, and because of that my eye isn't drawn to it as much. Others may certainly feel differently.


Hopefully the above adequately describes 'what the heck I'm observing'.

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post #10846 of 10847 Unread Today, 01:48 PM
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Originally Posted by djbluemax1 View Post
That shows the temperature from a single sensor. To really see know what effect you're having, you would have to use a thermal imager. While covering the vents and holes with foam/filters and placing a vent fan at certain spots may reduce the temperature at specific locations, it will likely cause increased temperatures at others simply because you've impeded the airflow.
This. Thermal management is a complex art, home made jury rigged cooling solutions rarely improve performance in these cases and often introduce more issues. These TV's were designed to utilize passive cooling via heat sinks, vents and natural air convection and no one here knows what temperature ranges Samsung designed the components to operate in. Adding additional cooling to a PC you're overclocking is easy, the case and applications are already designed for active cooling so more airflow = cooler temps. Passive cooling is a completely different animal and by introducing fans in the manner everyone is talking about in this thread you are changing/disrupting the designed airflow.

That may have positive effects, it may have negative effects... but all you really have no way of predicting it so you're just blindly "cooling" on the assumption that it will be "better". One effect you can guarantee it will have is voiding your warranty should a component fail due to heat stress. If you really feel the need to add cooling the best option is to use room fans to move the air behind the panel case, this will have less effect on the air current's over components and heat sinks inside the tv and promote passive heat exchange.

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