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Owners ONLY thread - >>>KDS-A2000's<<< - Settings/Tweaks - Page 84

post #2491 of 3250
I am trying to obtain the best possible picture on my 50A2000. Apparently getting the Bias and Gain settings just right make a huge difference in picture quality. I was hoping someone could explain the meaning of these two adjustments in hopes of obtaining a good picture quality. Please help.
post #2492 of 3250
Quote:
Originally Posted by Tweaver1 View Post

Try this link
http://www.avsforum.com/avs-vb/showt...26#post8242226

Having my 55"A2000 calibrated was the best money I've spent to date..


Thanks Tweaver1, I did see where UMR did your A2000. Nowhere on there tho is any input from any of the folks (positive or negative). I'll look up UMR as they seem to do lots of A2000s.

I see it's Jeff M. and he's in Texas. Looking for someone closer.
post #2493 of 3250
Quote:
Originally Posted by lnoz View Post

I guess I wasn't clear in my post. I did turn the TV off, then back on immediately and it fixed the problem. What I'm wondering is if this was a fluke or a sign that something is starting to go wrong with the set.


Yes, you turned the TV off. However, you did not say you unplugged it altogether from the power supply/wall socket.

Other posts have indicated this fixes problems. Not clear why/how...but it does.
post #2494 of 3250
No, did not unplug. Just off/on fixed it.
post #2495 of 3250
Quote:
Originally Posted by wmiles View Post

I am trying to obtain the best possible picture on my 50A2000. Apparently getting the Bias and Gain settings just right make a huge difference in picture quality. I was hoping someone could explain the meaning of these two adjustments in hopes of obtaining a good picture quality. Please help.

Bias and Gain adjust the amount of that color that you see in dark and light areas respectively. Experts, like Dave Hancock, will tell you they are the intercept and slope. So Gain says how much the input value is amplified (slope) and Bias says what's the minimum value (intercept) (I think).

What this means in practical terms is that when you display a gray scale test pattern on your set (or turn the Color setting to zero) you will adjust the bias of your R, G, and B to get black and the dark grays all to be true gray, and, adjust the gain to get your white and light grays to be true gray.
post #2496 of 3250
Nicely said jimmy.
post #2497 of 3250
Quote:
Originally Posted by Bobsled View Post

Is this similiar to what you're talking about? LINK (under RPTV Black Lining). My appologies to Mr. Bob if he's offended I've linked his site.

Yes, that is what I am talking about....... I would most likely do it myself, if I did it.
post #2498 of 3250
Quote:
Originally Posted by Bobsled View Post

Just curious, do you have at least 100 hours on the blub? I'd love to hear how your cal turns out. You guys have me all worked up, now I want to do it too. I need to wait a bit long tho to break it in. I'll be sure to check back on the 18th tho.

OH YEAH, I have a 100 hours on there I will definitely post my results afterwards.
post #2499 of 3250
Quote:
Originally Posted by Bobsled View Post

Thanks Tweaver1, I did see where UMR did your A2000. Nowhere on there tho is any input from any of the folks (positive or negative). I'll look up UMR as they seem to do lots of A2000s.

I see it's Jeff M. and he's in Texas. Looking for someone closer.

UMR did my A2000 too and I live in the San Francisco Bay Area. I believe that he travels to your area too. If I were you I would forgo the local and wait for Jeff. Believe me, the wait is well worth it.

http://www.avsforum.com/avs-vb/showt...9#post10082319
post #2500 of 3250
Quote:
Originally Posted by Bobsled View Post

Is this similiar to what you're talking about? LINK (under RPTV Black Lining). My appologies to Mr. Bob if he's offended I've linked his site.

Not offended at all. In fact I was going to link it again but saw that you beat me to it
post #2501 of 3250
Quote:
Originally Posted by Bob Fosse View Post

Not offended at all. In fact I was going to link it again but saw that you beat me to it

Bob,

Have you done this or had it done? I am trying to weigh this out, as far as potential benefit vs. possibly voiding warranty or accidently causing a problem. Any thoughts?
post #2502 of 3250
Quote:
Originally Posted by Bob Fosse View Post

UMR did my A2000 too and I live in the San Francisco Bay Area. I believe that he travels to your area too. If I were you I would forgo the local and wait for Jeff. Believe me, the wait is well worth it.

http://www.avsforum.com/avs-vb/showt...9#post10082319

Yeah, I think I should at least contact him and see when his next tour of duty to So Cal is. Although we're not completely devoid of talent here POST 331
post #2503 of 3250
Oh, BTW, I'm still waiting to reach the 100 hrs on my lamp. Then I'll be more serious.
post #2504 of 3250
Quote:
Originally Posted by squeeblez View Post

Bob,

Have you done this or had it done? I am trying to weigh this out, as far as potential benefit vs. possibly voiding warranty or accidently causing a problem. Any thoughts?

No I haven't done this and not considering it at this point. If I were thinking of doing it I would not do it myself but rather trust someone else to do it who has the experience like the ISF calibrator in the link that I originally posted.
post #2505 of 3250
Quote:
Originally Posted by Bobsled View Post

Yeah, I think I should at least contact him and see when his next tour of duty to So Cal is. Although we're not completely devoid of talent here POST 331

I'm not trying to discourage you from going with someone else other than UMR. I only speak from my own personal experience. You'll not be disappointed
post #2506 of 3250
Quote:
Originally Posted by Bob Fosse View Post

No I haven't done this and not considering it at this point. If I were thinking of doing it I would not do it myself but rather trust someone else to do it who has the experience like the ISF calibrator in the link that I originally posted.

The only thing that scares me would be voiding the warranty. At that, having an ISF calibrator to do it, I imagine would still negate the warranty, as they are not certified techs for Sony - I don't believe.
post #2507 of 3250
Quote:
Originally Posted by jimmyv View Post

Bias and Gain adjust the amount of that color that you see in dark and light areas respectively. Experts, like Dave Hancock, will tell you they are the intercept and slope. So Gain says how much the input value is amplified (slope) and Bias says what's the minimum value (intercept) (I think).

What this means in practical terms is that when you display a gray scale test pattern on your set (or turn the Color setting to zero) you will adjust the bias of your R, G, and B to get black and the dark grays all to be true gray, and, adjust the gain to get your white and light grays to be true gray.


Thank you for your help.
post #2508 of 3250
Quote:
Originally Posted by Bob Fosse View Post

I'm not trying to discourage you from going with someone else other than UMR. I only speak from my own personal experience. You'll not be disappointed

No, I didn't take it like that. I know URM has done many SXRDs and he's the man. I was still thinking of dropping him a line and see if it's in the cards before I look else where. At least I have choices and that's always a good thing.
post #2509 of 3250
I am looking for my KDS-50A2000 to be all it can be. I have tried all kinds of settings without going into the service menu. I found the instructions for enerting the service menu with all the dos and dont's. I am looking for a list of things that would be good to change in the service menu. Does anyone have such a list? Any help from anyone would be appreciated...
post #2510 of 3250
Quote:
Originally Posted by jtiger202 View Post

I am looking for my KDS-50A2000 to be all it can be. I have tried all kinds of settings without going into the service menu. I found the instructions for enerting the service menu with all the dos and dont's. I am looking for a list of things that would be good to change in the service menu. Does anyone have such a list? Any help from anyone would be appreciated...

The only thing I have changed in the service menu was the gamma adjustment from Googer. You can find info on it at the beginning of the thread. I like the way it looks.
post #2511 of 3250
Ok, thanks. I will check the beginning of the thread. By the way what are your settings for HD content (Cable/ Dish/ PS3/ Blu-Ray/ HD-DVD)? If you have already posted them, what page or part of the thread? Thanks. By the way, I am pleased with my PQ the way it is, but I would like to be more pleased!
post #2512 of 3250
^^^^^^ jtiger202 - here you go


Quote:
Originally Posted by squeeblez View Post


These are my latest settings(Using Avia and smoldering mouse):
Picture Mode: Custom (of course)
Advanced Iris: Auto 1
Picture: 95
Brightness: 48 (50 in bright ambient)
Color: 52
Hue: G1
Color Temp: Warm 1
Sharpness: 38
Noise Reduction: Low
Black Enhancer: Off
Gamma: Off
Clear White: Off
Live Color: Off
Detail Enhancer: Med. - High
Edge Enhancer: Low

White Balance:
R Gain: -11
G Gain: -8
B Gain: -2
R Bias: -4
G Bias: -3
B Bias: 0

Power Saver: Off

I also have changed the Gamma setting in the service menu in accordance with Googer's suggestion found at the beginning of the thread.

If you care to, feel free to give 'em a try OR if you are enjoying your settings please post them for comparison. I hope some people will participate!!
post #2513 of 3250
What is the best way to manipulate color points for the tristimulus readings (i.e. the color triangle)?

I tried first using the user menu to get the colors close, and then second editing the color decoder values in the WEM system's menu (GYB, GYR, RYB, and RYR). However, the color decoder settings didn't seem to offer enough influence for me to lock my color points on to the reference values. When I change some of these color decoder values in the extreme, I could get my primary color points pretty close however people's faces were green (i.e. I changed these settings too much).

I notice that the global Panal settings have BIAS_ and GAIN_ in the DRV sub-menu. I understand that these are global values from all inputs and resolutions. Is it a good idea to start with tweaking these panel settings, and then just use the color decoder settings to fine tune for specific inputs? Will I need to redo gray-scale also after tweaking the panel drive values?

Any insight would be appreciated. FYI... I'm using a Spyder2Pro Sensor and the free HCFR software.
post #2514 of 3250
hey guys lately when watching something on 1080i and p both ive noticed a lot of motion blur or trails coming from moving objects/people anyone else getting this or know anything about it
post #2515 of 3250
Quote:
Originally Posted by Conan450 View Post

hey guys lately when watching something on 1080i and p both ive noticed a lot of motion blur or trails coming from moving objects/people anyone else getting this or know anything about it

yeah, turn off noise reduction
post #2516 of 3250
Hey guys, my 55a2000 is coming on the 12th. I will only be using it to play 360 games and to watch standard dvds through the 360 (I am now broke after buying it). What do you think of the picture quality with standard dvds playing on 360? Is it just the same as normal crts or will i notice an improvement. Also when watching a dvd what is the best resolution to have the 360 set to?
post #2517 of 3250
Quote:
Originally Posted by jtiger202 View Post

I am looking for my KDS-50A2000 to be all that it can be

Maybe you should have it join the Army!

Kidding aside, Googer's settings are what I'm using as I impatiently wait...and wait...and wait...for the HD version of DVE to come out.
post #2518 of 3250
Quote:
Originally Posted by dm145 View Post

yeah, turn off noise reduction

i never turn on the enhancements
post #2519 of 3250
Quote:
Originally Posted by Conan450 View Post

i never turn on the enhancements

If it doesn't do the same thing on 720p source, that wouldn't be the problem anyway. I don't think there's any setting to fix what you describe. Either something is wrong with the source device, or something is wrong with the TV. If it does it with multiple 1080i/p devices, then that narrows it down.
post #2520 of 3250
well thanks for the info guys, unfortunately i bought my tv as a floor model to save big bucks but luckily got the warranty so ill see what best buy says about it
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