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Official Samsung LNxxA650 Owner's Thread - Page 240

post #7171 of 23505
Quote:
Originally Posted by znutz View Post

For all those experiencing issues with the "purple haze" I highly recommend the following steps:

A. Factory Reset

1. Turn off the TV
2. Press 'Mute' '1' '8' '2' 'Power'
3. The TV will start and you will be in the SM (give it a few extra seconds).
4. Select Optionbyte
5. Select Factory Reset twice

B. Proper Calibration
I highly recommend Cnet's "dark room" settings

It seems the combination of these two efforts have cleared up my "purple haze". I once thought my LN40A650 was plagued with the "purple haze" but it is no mas!

Hey, znuts or anyone for that matter. What do you feel performing a factory reset in the SM does? What exactly is getting reset and why or how do you think it effected your purple haze? I have no haze of any color and am just curious about the reset.
post #7172 of 23505
Amazon increased the MSRP for both 52A650 & 52A750 by a $1,000 so you would see a 40% off with the current price--yeah right!
post #7173 of 23505
Quote:
Originally Posted by BoilerJim View Post

I have a 46A650 with no noticible purple tint. If I go waaaaay off to the side at the most extreme viewing angle, I may be able to convince myself that I see the tiniest hint of purple. However, if the issue hadn't been brought up in this forum, I would never seen it or even looked for it.

I really want EVERYONE to know this:

I will say that after owning the 52" for a few days now I have a theory on this purple tint deal. When I owned my 46" I thought that I don't notice it unless I go way off angle and convince myself of purple tint.

However, upon receiving the 52" I notice that blacks are 'blacker' overall in any scene (TV/BRD/Games) even with no picuture. It just seems like a much more natural black and not any slightly tinted (purple or color) black.

My intuition tells me (my theory is) that if we remember back to a month ago when we discovered that 1001.5 FW and 1002.3 FW were the 'same' just from different 'manufacturing' plants we accepted that. I still do believe the parts used are the same and that the FW's were the same.

HOWEVER, my 46" was originally came from the plant that was loading '1002.3' and my 52" has come from the plant that was loading '1001.5'. This leads me to believe that maybe the 'anti-reflective' coating that the plants used may slightly vary. Which is why some of us MIGHT see 'purple tints' from extreme angles. This coating has nothing to do with the panel as both sets I've gotten were 'SQ01' so it cannot be hardware either.

This same theory can only be verified by knowing what the default firmware on the set was - as now IFF both plants are doing the 1003.M loads then it will make it very difficult to tell which plant is producing this 'purple tint' prone coating.

If someone that ORIGINALLY had 1001.5 FW can say they notice purple tinting then this theory is wrong. So please chime in!

END NOTE: To all those that are or may now be concerned about this 'purple tint' - I say - If you do not see the purple tint when using your TV regularly then DO NOT LOOK FOR IT because the TV is better over any other LCD out now (IMO!) regardless of this purple business. The only reason I'd be bothered is if you see it / notice it alll the time or are often viewing from extreme angles.

All in all guys its been busy last few days but I'll say that if before I was 'happy' when I had my 'near flawless 46' I can say that I am now 'extreemmeelyyy happy' every minute that I use my 52"! (GTA IV rocks on this!)

-RiVoLT
post #7174 of 23505
Quote:
Originally Posted by RiVoLT View Post

I really want EVERYONE to know this:

I will say that after owning the 52" for a few days now I have a theory on this purple tint deal. When I owned my 46" I thought that I don't notice it unless I go way off angle and convince myself of purple tint.

However, upon receiving the 52" I notice that blacks are 'blacker' overall in any scene (TV/BRD/Games) even with no picuture. It just seems like a much more natural black and not any slightly tinted (purple or color) black.

My intuition tells me (my theory is) that if we remember back to a month ago when we discovered that 1001.5 FW and 1002.3 FW were the 'same' just from different 'manufacturing' plants we accepted that. I still do believe the parts used are the same and that the FW's were the same.

HOWEVER, my 46" was originally came from the plant that was loading '1002.3' and my 52" has come from the plant that was loading '1001.5'. This leads me to believe that maybe the 'anti-reflective' coating that the plants used may slightly vary. Which is why some of us MIGHT see 'purple tints' from extreme angles. This coating has nothing to do with the panel as both sets I've gotten were 'SQ01' so it cannot be hardware either.

This same theory can only be verified by knowing what the default firmware on the set was - as now IFF both plants are doing the 1003.M loads then it will make it very difficult to tell which plant is producing this 'purple tint' prone coating.

If someone that ORIGINALLY had 1001.5 FW can say they notice purple tinting then this theory is wrong. So please chime in!

END NOTE: To all those that are or may now be concerned about this 'purple tint' - I say - If you do not see the purple tint when using your TV regularly then DO NOT LOOK FOR IT because the TV is better over any other LCD out now (IMO!) regardless of this purple business. The only reason I'd be bothered is if you see it / notice it alll the time or are often viewing from extreme angles.

All in all guys its been busy last few days but I'll say that if before I was 'happy' when I had my 'near flawless 46' I can say that I am now 'extreemmeelyyy happy' every minute that I use my 52"! (GTA IV rocks on this!)

-RiVoLT

I had and still have 1001.5 on my 46 and SEE NO PURPLE TINT -- EVER.

So, RiVoLT, I stand behind your theory.
post #7175 of 23505
Maybe if you're off angle, would this make a difference?
post #7176 of 23505
Quote:
Originally Posted by 8IronBob View Post

Maybe if you're off angle, would this make a difference?

maybe we need another spreadsheet to figure out the possible purple tint pattern. possible purple tint pattern. say that 5x fast
post #7177 of 23505
Quote:
Originally Posted by taurus2007 View Post

What is the exposure time for the pic in the dark room (and with lights)?

Hmm, for some reason those pictures were removed from my last post--is it against forum rules to post pictures, or just that they were redundant from post 7048?

Anyway, I used a cheapo automatic digital camera where I don't set the aperture or exposure time manually, so I don't know exactly. The exposure time was very long (several seconds) due to such low light, which is why I had to improvise a tripod. On the flash image, it was a fast exposure (well less than a second), but again I don't know exactly.

When I looked at the pics after I took them and then correlated back to what I perceived with my own eyes, I think the haze appearance on the dark room image at 45ยบ was exaggerated relative to what I saw, but the relative blackness in the dark room on-axis was also exaggerated--I felt the background was less back on axis than the photo shows.
post #7178 of 23505
Quote:
Originally Posted by taurus2007 View Post

Amazon increased the MSRP for both 52A650 & 52A750 by a $1,000 so you would see a 40% off with the current price--yeah right!

Yep; that is rediculous. No one else is claiming that MSRP, not even New Egg, who did not drop it when everyone else did.

Amazon's pricing startigy is very strange. I noticed a couple of other vendors have raised their actual price by $200, so I am guessing that Amazon will do the same, shortly. They probubly raised the MSRP in advance, so they can still claim a 2X% discount after the price hike.

I may be buying a Sony after all.

Dave
post #7179 of 23505
I'm inclined to think Kineahora's blue-tint pictures could be setting related. Hopefully he will try znutz's recommendation and report back a similar positive result.
post #7180 of 23505
Quote:
Originally Posted by nitt4ever View Post

You didn't go with the low profile model. Any reason? I am worried that the TV may be too far from the wall with this one. Any problems there? Thanks.

i liked the idea of mounting the tv slightly higher than eye level and having it tilted down. a low profile mount would require the tv mounted at seated eye level which i felt would have looked silly. also i read that fitting wires with a low profile mount can prove to be a tricky procedure. i read about perpendicular hdmi cable connectors and low profile power cords and figured a regular mount would do just fine.
if anything i wish i went for the tilt and swivel type so that it'd be easier to see the tv from the dining room table i have in my apartment. it's at about 130-140 degrees which is annoying but luckily no purple tint for me.
Also this is an apartment and not a permanent case. my setup is in no way ideal for viewing and surround sound but it's still great.
post #7181 of 23505
Quote:
Originally Posted by skibum5000 View Post

is this a color calibration thing, almost seems like some sets have a little tin of blueor blue and red at the deepest end. If you reduce R and B Gain does it change this 'purple haze' at all? Does loweing backlight lessen it?

does lowering brightness or all R,G,B Gains equally reduce it?

or is it something more insidious?

RE: the backlight--yes the backlight affects it. As I showed in one image in post 7048, I use backlight 3 because of this (though I may be crushing a bit).

RE: color calibration--I have yet to test the effect of it on the haze. I wonder if my haze seems bluer than others because I'm using Evil4blue's color calibration where he's turned down the red color gain a bit... I was thinking of testing out c|net's color calibration, and I can check if this changes the hue of the haze...
post #7182 of 23505
I have the 46a650 and the blacks are more solid with less clouds and flashlights AND more uniformal than all 6 of my previous 4671f sets and xbr4. Its a shame that it has these annoying stripes and its going back to big river. I really hope that the black levels will be the same on my replacement set, but with my luck ill probably get purple clouds.



Quote:
Originally Posted by RiVoLT View Post

I really want EVERYONE to know this:

I will say that after owning the 52" for a few days now I have a theory on this purple tint deal. When I owned my 46" I thought that I don't notice it unless I go way off angle and convince myself of purple tint.

However, upon receiving the 52" I notice that blacks are 'blacker' overall in any scene (TV/BRD/Games) even with no picuture. It just seems like a much more natural black and not any slightly tinted (purple or color) black.

My intuition tells me (my theory is) that if we remember back to a month ago when we discovered that 1001.5 FW and 1002.3 FW were the 'same' just from different 'manufacturing' plants we accepted that. I still do believe the parts used are the same and that the FW's were the same.


HOWEVER, my 46" was originally came from the plant that was loading '1002.3' and my 52" has come from the plant that was loading '1001.5'. This leads me to believe that maybe the 'anti-reflective' coating that the plants used may slightly vary. Which is why some of us MIGHT see 'purple tints' from extreme angles. This coating has nothing to do with the panel as both sets I've gotten were 'SQ01' so it cannot be hardware either.

This same theory can only be verified by knowing what the default firmware on the set was - as now IFF both plants are doing the 1003.M loads then it will make it very difficult to tell which plant is producing this 'purple tint' prone coating.

If someone that ORIGINALLY had 1001.5 FW can say they notice purple tinting then this theory is wrong. So please chime in!

END NOTE: To all those that are or may now be concerned about this 'purple tint' - I say - If you do not see the purple tint when using your TV regularly then DO NOT LOOK FOR IT because the TV is better over any other LCD out now (IMO!) regardless of this purple business. The only reason I'd be bothered is if you see it / notice it alll the time or are often viewing from extreme angles.

All in all guys its been busy last few days but I'll say that if before I was 'happy' when I had my 'near flawless 46' I can say that I am now 'extreemmeelyyy happy' every minute that I use my 52"! (GTA IV rocks on this!)

-RiVoLT
post #7183 of 23505
Quote:
Originally Posted by jazzbass View Post

What do you feel performing a factory reset in the SM does? What exactly is getting reset and why or how do you think it effected your purple haze? I have no haze of any color and am just curious about the reset.

I recommend it to clear out all previous settings. This would verify any potential benefits of this process; everyone starts fresh and adjust from there, as if we all had the exact same TVs, limiting any sort of variables. This would in hope lead to an explanation of the purple haze.

I have to agree with Rivolt that the purple haze may or may not be caused by the plants anti reflective coating. But then again my adjustments did alleviate the haze.

This suggests it's within the settings.

I am not making this up and am certain my blacks are now black. Just refer to the pictures. I will try and post some before and after pics for comparison later.
post #7184 of 23505
Quote:
Originally Posted by diabolyte View Post

well the shutoff problem was fixed and the other stuff such the purple haze and whatnot only affects certain sets i think and it doesn't really take anything away from the overall PQ unless you're the obsessive compulsive type who must have the perfect set ( no offense to those who are )

as for prices, I think it'll take a few days or weeks before all retailers react to the changes. I know my local tv shop is trying to sell me the 650 for dirt cheap!-- I know we can't discuss prices here, but it was susbtantial, like more than 1 grand off the MSRP.

how was it fixed? FW? Or just new sets?
post #7185 of 23505
Quote:
Originally Posted by Tideas View Post

how was it fixed? FW? Or just new sets?

If you follow this thread, you would have known that the new firmware would fix that way back then. And if you bother to look at amazon's for Samsung A650, it even links you to where to download the firmware or a number to call Samsung to request one on a USB thumbdrive.
post #7186 of 23505
Quote:
Originally Posted by znutz View Post

For all those experiencing issues with the "purple haze" I highly recommend the following steps:

A. Factory Reset

1. Turn off the TV
2. Press 'Mute' '1' '8' '2' 'Power'
3. The TV will start and you will be in the SM (give it a few extra seconds).
4. Select Optionbyte
5. Select Factory Reset twice

B. Proper Calibration
I highly recommend Cnet's "dark room" settings

It seems the combination of these two efforts have cleared up my "purple haze". I once thought my LN40A650 was plagued with the "purple haze" but it is no mas!

Here are a few images to show that the LN40A650 has almost perfect blacks even at the most extreme angles when reset and properly calibrated...

Your post has me very intrigued.
How much of the change do you ascribe to the calibration, and how much to the factory reset? I already tweaked settings down to backlight 3 for my dark room, but I bet Katzmaier's major blue gain adjustment from 25 to 14 has something to do with it AND would explain the blue hue of my haze... Also, I wonder if the gamma +3 could do something. Is there a way to save a group of settings under a given source and label it "Dark room", so that I can switch between dark room and light room settings conveniently?

Anyway, so that leaves the factory reset--if this made a difference, how do you suppose it might have fixed things? Also, if I try that, will it void my warranty (since you have to go into the service menu to do it)? I guess if I do, I could always "cover my tracks" like RiVolt showed us... If I do it tonight I will take pics so there will be a before and after...
post #7187 of 23505
Quote:
Originally Posted by peking00 View Post

I had and still have 1001.5 on my 46 and SEE NO PURPLE TINT -- EVER.

So, RiVoLT, I stand behind your theory.

Same here 1001.5 52", no purple tint.
post #7188 of 23505
Quote:
Originally Posted by diabolyte View Post

the patients showed some patience in waiting for their doctor.

hardy har har...sry for the spellin i suck at it
post #7189 of 23505
Quote:
Originally Posted by znutz View Post

I recommend it to clear out all previous settings. This would verify any potential benefits of this process; everyone starts fresh and adjust from there, as if we all had the exact same TVs, limiting any sort of variables. This would in hope lead to an explanation of the purple haze.

I have to agree with Rivolt that the purple haze may or may not be caused by the plants anti reflective coating. But then again my adjustments did alleviate the haze.

This suggests it's within the settings.

I am not making this up and am certain my blacks are now black. Just refer to the pictures. I will try and post some before and after pics for comparison later.

Ok guys sorry I was just catching up on about 7-10pgs of this thread. Just finished.

I will say that you can probably compensate for this purple or blue tint by changing calibration as what you see is the end result of it passing through a 'purple/blueish anti-reflective' coating. So this can probably satisfy most who do have this purple haze. I still believe that the coating on sets from the plant that produced 1002.3 are more prone to this purple haze.

I myself am on 1003.M but like I said before the 52" was 1001.5 stock hence it was created at a different plant. I say this because some of you responded saying you had 1001.5 and no purple tint - upgrading your FW shouldnt cause this but it's good that you started with 1001.5 in regards to not having purple haze.

FACTORY RESET EFFECTS:
I might also add that after the FW updates on the old 46" I never did the 'unplug' or 'full factory (in SM) reset'. And I can now confirm that the occasional stuttering I was experiencing was NOT a figment of my imagination. (FYI...At the time I was still figuring stuff out and didn't realize that what I was experiencing was stuttering though I had a slight feeling - but now I know and all is better.)

Here's why:
Before returning my 46" I wanted to go into the SM to revert my AMP to stock and delete the log again. However, I accidently hit the 'factory reset' option (thanks to the stupid wheel remote slightly moving when I was trying to just hit U, D, L, or R!!). After which I could see an instant change when I turned the TV back on to where motion was super silky smooth just like when I first got it. Note that this was before I reset my AMP. Then of course I went to SM again to revert amp and clear log like I originally planned.

Bottom line: I think I WILL make sure I've noted all my settings and do the factory reset just to be sure that I'm getting the best motion handling possible though I havent seen any stuttering at all on the 52 yet. Then again I havent modified the AMP settings yet as well. We'll see what happens!

-RiVoLT
post #7190 of 23505
Quote:
Originally Posted by znutz View Post

I recommend it to clear out all previous settings. This would verify any potential benefits of this process; everyone starts fresh and adjust from there, as if we all had the exact same TVs, limiting any sort of variables. This would in hope lead to an explanation of the purple haze.

I have to agree with Rivolt that the purple haze may or may not be caused by the plants anti reflective coating. But then again my adjustments did alleviate the haze.

This suggests it's within the settings.

I am not making this up and am certain my blacks are now black. Just refer to the pictures. I will try and post some before and after pics for comparison later.

Thanks for your reply. I don't know if you were implying that I thought you were lying but that surely was not the case. I'm just trying to find out if I should try a factory reset eventhough I have no purple tint. That maybe there are other positive effects and such to warrant it. I originally upgraded to 1003.G from 1005 and now have the 1003.M. I'm wondering if something was changed in the first update that didn't get changed back in the second update that a factory reset could fix. My set is working great but it makes a man think
post #7191 of 23505
Quote:
Originally Posted by jazzbass View Post

Thanks for your reply. I don't know if you were implying that I thought you were lying but that surely was not the case. I'm just trying to find out if I should try a factory reset eventhough I have no purple tint. That maybe there are other positive effects and such to warrant it. I originally upgraded to 1003.G from 1005 and now have the 1003.M. I'm wondering if something was changed in the first update that didn't get changed back in the second update that a factory reset could fix. My set is working great but it makes a man think

Jazzbass, I think factory reset means going back to the "defaults" applicable to the respective firmware revision. Factory reset function with 1003.M will only reset to the default settings applicable to 1003.M. He's basically saying "start with a clean slate".
post #7192 of 23505
RiVoLT, my 46" has 1002.3 firmware. Since I have had no resets, I haven't upgraded it yet although I have 1003.M loaded up on my flash drive and ready to go. I really can't imagine my blacks being any blacker and as I mentioned previously, I have to go way off to the side to even remotely think I may see a bit of purple. Actually, I think it's probably a bit of the backlight washing out the screen from pure black to "somewhat" dark gray. In any case, this is my first LCD (2nd HDTV), and by far the best TV I've ever owned. I've always been a "Sony man" and got tired of waiting for the new Sonys to come out. I do not regret my decision one bit.
post #7193 of 23505
Quote:
Originally Posted by Kineahora View Post

Your post has me very intrigued.
How much of the change do you ascribe to the calibration, and how much to the factory reset? I already tweaked settings down to backlight 3 for my dark room, but I bet Katzmaier's major blue gain adjustment from 25 to 14 has something to do with it AND would explain the blue hue of my haze... Also, I wonder if the gamma +3 could do something. Is there a way to save a group of settings under a given source and label it "Dark room", so that I can switch between dark room and light room settings conveniently?

Anyway, so that leaves the factory reset--if this made a difference, how do you suppose it might have fixed things?

I did the factory to start with a clean slate. I am unable to confirm that this helped as I immediately applied the "dark room" settings. I guess if anyone is curious as to the benefits of a reset they can first apply the dark room settings and see if there is a difference. If not, follow through with a reset and then the dark room settings and compare the differences.

I don't know that there is a way to save settings other than by input. You could have HDMI 1 configured with the Dark Room settings and then have HDMI 2 configured with an alternate setting and compare the picture between inputs.
post #7194 of 23505
Quote:
Originally Posted by BoilerJim View Post

RiVoLT, my 46" has 1002.3 firmware. Since I have had no resets, I haven't upgraded it yet although I have 1003.M loaded up on my flash drive and ready to go. I really can't imagine my blacks being any blacker and as I mentioned previously, I have to go way off to the side to even remotely think I may see a bit of purple. Actually, I think it's probably a bit of the backlight washing out the screen from pure black to "somewhat" dark gray. In any case, this is my first LCD (2nd HDTV), and by far the best TV I've ever owned. I've always been a "Sony man" and got tired of waiting for the new Sonys to come out. I do not regret my decision one bit.

Great! Be very happy with your blacks and disregard my post! A reset is inevitable just wait and see. Upping the FW will have no ill effects and will NOT create purple tint.

If you've calibrated and/or view primarily from non-extreme angles you'll probably haven't and will probably never really notice the purple tint. When I had my 46" I was very happy with it. The ONLY reason I now realized the tint difference was BECAUSE I got the 52 and immediately I could SEE a visible difference. Basically the world was perfect till I had a point of comparison. So if your set is 'flawless' to you thats ALL that matters. (IMO)

-RiVoLT
post #7195 of 23505
Quote:
Originally Posted by nova21 View Post

I took these quick shots. The first is dead straight, second is 45 degree off angle. The last is extreme off angle since some people like to watch their tv from that angle.

Thanks for your beautiful images Nova21. Clearly if the adjustments and reset suggested by znutz doesn't fix the issue mine will have to go back after seeing yours (and his)!
post #7196 of 23505
Can anyone help me please? I purchased the Samsung LN46A650A1F at Best Buy replacing an LG 32". They delivered it today and I must say I'm disappointed in the picture quality. People on the screen just don't have the lifelike qualities that they did on the LG.

Is it because of the factory presets? Are there key settings that need to be changed in order to make the picture more lifelike?

When I bought it, the Best Buy salesman told me they have a service for $300 where they will come out and "fine tune" the settings. I just can't see paying that kind of money to have them "fine tune" something that I just paid them over $2k for.

Does anyone have any suggestions? If not, I'm afraid I'm going to have to return the set and buy something else. Thanks.
post #7197 of 23505
are people only seeing this purple tint from side viewing?
post #7198 of 23505
I'm sure this has been answered 1,000x in this thread, but it's just impossible to follow if you are afk for more than a couple of days which unfortunately has been the case for me.

My question:

What cables do I get and where do I get them?

I am looking at both wall mounting and not at this time (not sure if that would make a difference in the cables or not)

I'm planning on going with Direct TV HD w/DVR, Xbox 360 with HDmi (i'll just grab the MS cable for that) and I guess I'll be bitting the bullet and getting a Blu-Ray player as well.

Sorry again for asking something that has most likely been addressed, but I do appreciate all the help from this forum.

EDIT: Getting the 46 650 (don't know if that would matter or not)

Mihalis
post #7199 of 23505
Quote:
Originally Posted by znutz View Post

I did the factory to start with a clean slate. I am unable to confirm that this helped as I immediately applied the "dark room" settings. I guess if anyone is curious as to the benefits of a reset they can first apply the dark room settings and see if there is a difference. If not, follow through with a reset and then the dark room settings and compare the differences.

I will do the reset, turn the settings back to my current ones and re-image. Then I will apply the c|net dark room suggestion, and image again; we will get to the bottom of this.

I don't know if this matters, but my TV came out of box with 1003.M. I suspect that the 1st generation of out-of-box 1003.M sets were probably 1001.5 and 1002.3 sets flashed with 1003.M at the warehouse after the auto-shut-off/stuck AMP issues were discovered and addressed, so I wonder if they were never factory reset after flashing 1003.M, and there were some user-non-available settings different in previous versions (e.g. those detailed settings in the service menu in 1003.G) still somehow stuck in memory...

Quote:
Originally Posted by znutz View Post

I don't know that there is a way to save settings other than by input. You could have HDMI 1 configured with the Dark Room settings and then have HDMI 2 configured with an alternate setting and compare the picture between inputs.

Uggh. This is a feature weakness. I don't even have any HDMI sources right now, so I can't use that. What a pain. There should be labelable settings groups independent of source ports.
post #7200 of 23505
Quote:
Originally Posted by tomhunter8 View Post

Can anyone help me please? I purchased the Samsung LN46A650A1F at Best Buy replacing an LG 32". They delivered it today and I must say I'm disappointed in the picture quality. People on the screen just don't have the lifelike qualities that they did on the LG.

Is it because of the factory presets? Are there key settings that need to be changed in order to make the picture more lifelike?

When I bought it, the Best Buy salesman told me they have a service for $300 where they will come out and "fine tune" the settings. I just can't see paying that kind of money to have them "fine tune" something that I just paid them over $2k for.

Does anyone have any suggestions? If not, I'm afraid I'm going to have to return the set and buy something else. Thanks.

Please check out the calibration thread.

http://www.avsforum.com/avs-vb/showthread.php?t=1010609
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