The Official LG xxPK550 Owner's Discussion Thread [no price talk] - Page 37 - AVS Forum
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post #1081 of 5219 Old 04-25-2010, 04:54 PM
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Originally Posted by ehgz1 View Post

Dill Weed? Never would have thought to use that...sounds yummy though!

Oh and thanks for your previous post with your settings. Why don't you want to go above 75 for contrast? Are you still in the break-in phase?


I'm past the hundred hours. I found it's a happy medium for both daytime and at night. Not too harsh for either.


P.S. -- I make the dough from scratch too, but the recipes mine!!!
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post #1082 of 5219 Old 04-25-2010, 05:09 PM
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Originally Posted by Encrypted Neuron View Post

Okay, this time I'll copy it so I don't lose it.


Anywhoo... I was hoping to post an update of the settings I have, but I found out that the DVE copy I have is crap for this TV....................

I have the DVE HD basics on blue-ray. It has the 5% windows so you can do a 20 point grey scale calibration. I have used it with my 42PG20 (2 point only) using color HFCR software and have gotten great results.

On another note, I have been looking at the 50PK550 and am seriously considering purchasing one soon (HHgregg has a 20% off sale this week). It really has the best bang for the buck. Yes, it is reflective (as my 2008 model is) but I use it in a controlled lighted environment, so no big deal to me. A really nice display!
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post #1083 of 5219 Old 04-25-2010, 05:25 PM
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what do you guys think I should do with this buzzing? I've owned this TV for 3 days and i can here the buzz w/ low volume sitting 10 feet away..

1. Get LG tech out here.. i'm guessing there's some free warranty service right?
2. Ship it back to store for a replacement...i still have the box
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post #1084 of 5219 Old 04-25-2010, 05:51 PM
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Originally Posted by jc8320 View Post

what do you guys think I should do with this buzzing? I've owned this TV for 3 days and i can here the buzz w/ low volume sitting 10 feet away..

1. Get LG tech out here.. i'm guessing there's some free warranty service right?
2. Ship it back to store for a replacement...i still have the box


If I heard it that far away, then Yeah I would get it exchanged. From just a foot away from the front I still don't hear it, but I can hear the PS3 that is about 4 ft away. My XBOX 360 would drown out a dishwasher, so I wouldn't even compare with that. lol
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post #1085 of 5219 Old 04-25-2010, 05:58 PM
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Quote:
Originally Posted by keyoctave View Post

I have the DVE HD basics on blue-ray. It has the 5% windows so you can do a 20 point grey scale calibration. I have used it with my 42PG20 (2 point only) using color HFCR software and have gotten great results.

On another note, I have been looking at the 50PK550 and am seriously considering purchasing one soon (HHgregg has a 20% off sale this week). It really has the best bang for the buck. Yes, it is reflective (as my 2008 model is) but I use it in a controlled lighted environment, so no big deal to me. A really nice display!


I plan on ordering the BD Spears & Munsil this Friday so that should help. The DVE I have doesn't even give test material to set the Grayscale. Just one image that tells you it should look Gray, not Bluish or Redish. lol.
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post #1086 of 5219 Old 04-25-2010, 05:58 PM
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Hey Guys,
I just calibrated my set, looks great!

Here are what my settings look like, Gamma 2.28, most Delta E values for greyscale above 30% are under 2. I bolded the non-default values.

Contrast 67
Brightness 50
H 50
V 50
Color 62
Tint 0

Expert

Dynamic Contrast Off
Noise Reduction Off
Gamma Medium
Black Low
Film On
Color Gamut Standard
Edge Enhancer Off

White Balance Warm
Method 2 Points
Pattern Outer

Red C -5
Green C 0
Blue C 12

Red B -2
Green B 0
Blue B 2


I did this with a Spyder2, best I have unfortunately.
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post #1087 of 5219 Old 04-25-2010, 06:55 PM
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Okay, just for reference. How Black is your Black?

Meaning in a dark room, say at night, while watching something with black bars on top & bottom, and comparing to the Bezel, how dark does your Black show? When I watch when it's dark out, I can clearly see the black bars in comparison to the bezel. The bezel would disappear with the shadows of the room, but the black bars would appear semi-dark gray. I know this is subjective, but that's why I want to compare to the bezel since that would be consistent. For mine, I can easily tell the black bars and the bezel apart. Given I have about a week left until I can no longer exchange it, I just wanted to get a reference to everyone else's.
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post #1088 of 5219 Old 04-25-2010, 07:54 PM
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Quote:
Originally Posted by Encrypted Neuron View Post

For mine, I can easily tell the black bars and the bezel apart.

Me too, also your white balance should be set to warm.

Buzzing people, give it a light tap on the top left grill behind the set(your left if you're facing the screen). If that doesn't help, exchange it, I've had 3 PK550s and 1PK750 in my home and none of them buzzed loud enough to hear it even on quiet bright screens sitting 7 ft away.

I am 25 by the way, gf is 23 and she didn't hear it either.

sixstring: 16:9 should stretch 4:3 content horizontally, if it doesn't, then whatever your source is is actually outputting a 16:9 signal.

I cannot figure out how to turn on film mode when its connected to my PC. Film mode seems to activate automatically when I am watching a bluray via ps3.
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post #1089 of 5219 Old 04-25-2010, 08:13 PM
 
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i can get only the film mode on by just setting the bd player on interlaced like 1080i.is film mode just for interlaced mode not progressive?
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post #1090 of 5219 Old 04-25-2010, 08:35 PM
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Quote:
Originally Posted by magdielito View Post

i can get only the film mode on by just setting the bd player on interlaced like 1080i.is film mode just for interlaced mode not progressive?

come to think of it the only time I saw it on was watching "nature's most amazing events" which is a 1080i program. Film mode must be some type of deinterlacing option then?
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post #1091 of 5219 Old 04-25-2010, 09:04 PM
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Quote:
Originally Posted by bluegt View Post

Hey Guys,
I just calibrated my set, looks great!

Here are what my settings look like, Gamma 2.28, most Delta E values for greyscale above 30% are under 2. I bolded the non-default values.

Contrast 67
Brightness 50
H 50
V 50
Color 62
Tint 0

Expert

Dynamic Contrast Off
Noise Reduction Off
Gamma Medium
Black Low
Film On
Color Gamut Standard
Edge Enhancer Off

White Balance Warm
Method 2 Points
Pattern Outer

Red C -5
Green C 0
Blue C 12

Red B -2
Green B 0
Blue B 2


I did this with a Spyder2, best I have unfortunately.

Get Avatar. By far the best looking HD movie ive yet to see. The colors and blacks in that movie are very nice. Good reference movie imo to use as a calibration. Its become my benchmark movie and what i use to show off my set now. It's also 1:78 ratio ( full screen), so no worry for bars while your calibrating.

50" LG PK550
Denon AVR-1610
BIC/Pioneer Speakers
PS3
Xbox360
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post #1092 of 5219 Old 04-25-2010, 09:24 PM
 
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my tv start to buzz really bad.my 15 days on hhgredd expired is there anyway lg fix this i
know plasma sometime make this buzzing but is too loud im seating 9ft away the tv and i heard the buzz like is right at my ear with the volume of the tv on 78.
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post #1093 of 5219 Old 04-25-2010, 09:34 PM
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Quote:
Originally Posted by magdielito View Post

my tv start to buzz really bad.my 15 days on hhgredd expired is there anyway lg fix this i
know plasma sometime make this buzzing but is too loud im seating 9ft away the tv and i heard the buzz like is right at my ear with the volume of the tv on 78.

lightly tap the grill from whence the buzz comes!
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post #1094 of 5219 Old 04-25-2010, 09:35 PM
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Originally Posted by diazull View Post

i turned the brightness down and indeed the green speckles were gone but i lose allot of detail in the black, , all blacks look the same, i think thats not how it works

what do you have your contrast set at?
someone correct me if i'm wrong, but brightness mostly determines the light output from the tv. contrast on the other hand provides the differences in percieved colors. depending on how long you have had the tv, i would play with the contrast setting a little to see if that helps, as long as you are in the clear of 100hrs or so.

edit: ps. i dont have this tv yet, getting delivered on tuesday afternoon so i'll check the "in-home" picture and mess with the settings a little to see what i come up with lol

edit: spelled perceived wrong lol i before e except after c

James Bond: I think I'll call it a Vesper.
Vesper Lynd: Because of the bitter aftertaste?
James Bond: No, because once you've tasted it, that's all you want to drink.

- CASINO ROYALE
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post #1095 of 5219 Old 04-25-2010, 09:42 PM
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Originally Posted by shaddix View Post

lightly tap the grill from whence the buzz comes!

yeah sometimes you gotta lay the pimp hand down and show the tv who is boss lol

James Bond: I think I'll call it a Vesper.
Vesper Lynd: Because of the bitter aftertaste?
James Bond: No, because once you've tasted it, that's all you want to drink.

- CASINO ROYALE
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post #1096 of 5219 Old 04-25-2010, 11:34 PM
 
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Originally Posted by shaddix View Post

lightly tap the grill from whence the buzz comes!

it didn't help still the loud buzzing,i hit the back grill a litle bit harder like 10 or more nothing help.
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post #1097 of 5219 Old 04-26-2010, 12:56 AM
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Quote:
Originally Posted by shaddix View Post

Buzzing people, give it a light tap on the top left grill behind the set(your left if you're facing the screen). If that doesn't help, exchange it, I've had 3 PK550s and 1PK750 in my home and none of them buzzed loud enough to hear it even on quiet bright screens sitting 7 ft away.

I am 25 by the way, gf is 23 and she didn't hear it either.

That's frustrating to read. I've gone through 3 pk550's now and all of them buzz loud enough not to ignore. I've done the tapping/smacking thing but nothing helps. I might try one more exchange before giving up. Hate being that guy responsible for multiple open box units.
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post #1098 of 5219 Old 04-26-2010, 01:23 AM
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What he said. I watched Avatar DVD from an Oppo upconverter on the 50PK550 tonight. o-m-f-g.




Quote:
Originally Posted by borcth View Post

Get Avatar. By far the best looking HD movie ive yet to see. The colors and blacks in that movie are very nice. Good reference movie imo to use as a calibration. Its become my benchmark movie and what i use to show off my set now. It's also 1:78 ratio ( full screen), so no worry for bars while your calibrating.

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post #1099 of 5219 Old 04-26-2010, 01:44 AM
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@Sousa86: brightness changes the black level of the set. contrast changes the white level. I used this http://www.avsforum.com/avs-vb/showthread.php?t=948496 to calibrate my brightness and contrast on my set. When calibrated properly i don't see any dithering on the darkest black

@magdielito: I would call LG, if the buzzing is caused from the same thing that smacking it on mine fixed it then maybe just a loose screw they can tighten up.

@stevebrule: I wouldn't feel bad about exchanging it lol, cost of doing business!

I returned two to sears and didn't even end up getting my final set from them lol.
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post #1100 of 5219 Old 04-26-2010, 05:31 AM
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Doh! i should have checked before trying to help, my mistake looks like i had it a bit backwards there lol

James Bond: I think I'll call it a Vesper.
Vesper Lynd: Because of the bitter aftertaste?
James Bond: No, because once you've tasted it, that's all you want to drink.

- CASINO ROYALE
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post #1101 of 5219 Old 04-26-2010, 11:53 AM
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Quote:
Originally Posted by Encrypted Neuron View Post

Okay, this time I'll copy it so I don't lose it.


Anywhoo... I was hoping to post an update of the settings I have, but I found out that the DVE copy I have is crap for this TV. The disc is an old (lol) DVD that was mastered for 4:3 TVs and does not scale well at all for this TV. Also I have to buy another USB memory drive (ex-girlfriend took mine...) so I'll have to wait a little to try out some of the other calibration material I downloaded. However, every Pixar movie there is a TV maximizer so I used my BD copy of Toy Story. I found that according to the disc, the Gamma should be set to Low, and another issue (problem?) is that per the test I couldn't set the Contrast high enough to match their recommendations, even at 100. There was no way I was going to leave it that high, so I dropped it down to 75. I'll have to wait until I get some better calibration material since neither the Pixar disc nor the DVE I have can calibrate the individual colors which I need since I can see some Red in the Black areas, and any bright Red objects look a little over-saturated. I'm saving for the Calman Enhanced Spyder3 or the X-Rite ColorMunki w/the Calman software.

This is what I have so far, but it's a work in progress:

Aspect Ratio -- 16:9
Energy Savings -- Medium
Picture Mode -- Expert1
Contrast -- 75
Brightness -- 48
H-Sharpness -- 46
V-Sharpness -- 54
Color -- 62
Tint -- G2

under Expert Control:
Dynamic Contrast -- Off
Noise Reduction -- Off
Gamma -- Low/Greyed out w/CATV connection
Black Level -- Low
Film Mode -- Off
Color Standard -- SD/Greyed out w/CATV connection
Color Gamut -- Standard
Edge Enhancer -- Off
White Balance -- Medium

CMS and everything else untouched until I get better test material.

Independently, I got very similar results with the video calibration setup in 'UP'. I had the same issue with the contrast and ultimately did the same as you - lowered it to 75.

I'm using a PS3 as a BD player with superwhite set to 'On'. With it set to 'Off', I don't have this issue. I prefer to have it set to 'On' to pass blacker than black.

XBOX Live / PSN: Choocheroo
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post #1102 of 5219 Old 04-26-2010, 11:59 AM
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This is my first plasma, so I'm not sure whether what I'm seeing is normal or not:

I'm seeing what's previously been referred to as "green dancing pixels" on different colours. Is this normal? Is this dithering?

XBOX Live / PSN: Choocheroo
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post #1103 of 5219 Old 04-26-2010, 12:17 PM
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I just recently purchased this plasma, and also noticed that it seems to have more spatial / temporal dithering than I was used to on my older Samsung 58B560 (which I returned due to horrible buzzing). Whereas on the Samsung I would characterize the dithering as "noise", on the LG it looks like pixels popping in and out where they don't belong.

The spatial dithering / gradient is very noticeable, for example, on the PS3 background. I can snap a picture later tonight. Turning the brightness to 52 or higher results in dithered pixels where the screen should be black, but turning the brightness to less than 50 starts to crush black details.

Is anyone else seeing similar results?

Expert settings that I can remember off the top of my head:
Dynamic Contrast -- Off
Noise Reduction -- Off
Gamma -- Low
Black Level -- Low
Color Gamut -- Standard
Edge Enhancer -- Off
White Balance -- Warm
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post #1104 of 5219 Old 04-26-2010, 12:37 PM
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Funny, I noticed it first on the PS3 background too. Now I see it nearly everywhere. With low-saturated colours, it's still slightly noticeable at viewing distance (~12' - I've got the 60PK550), but I've got very good eyesight. My wife doesn't see it. When colours are highly saturated, there's none at all.

XBOX Live / PSN: Choocheroo
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post #1105 of 5219 Old 04-26-2010, 12:38 PM
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Get a good surround sound system and crank it up, then you won't hear any buzzing.
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post #1106 of 5219 Old 04-26-2010, 01:37 PM
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my tv is being replaced wednesday.
i also have the dancing green speckles,when i turn the brightness down there gone, but i loose a lot of detail in my blacks.
now that i read that more people have this problem i really dont know if a new tv will help.
maybe its a LG problem?
the guy offered me a replacement or go for an other brand but where can u get a tv with loads of option full HD 50" for that price??? there are none.
i will wait , if the next tv isnt any better i will go for an other brand, even if i have 2 go back 2 a 42" with much less options.
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post #1107 of 5219 Old 04-26-2010, 01:51 PM
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Quote:
Originally Posted by pinehurstnc View Post

Get a good surround sound system and crank it up, then you won't hear any buzzing.

Depending on the dynamic range of the source material, how loud the buzz is, and how tolerant your neighbors are, that may be impossible. On my Samsung I could play movies at reference level and still hear the buzz during quiet scenes.

My Samsung was sitting in the far end of a double parlor, and I could just barely hear it from my bedroom, if my bedroom door was open and the fridge wasn't running. That's about 25-30 feet line of sight, with the TV aimed perpendicular to me, so I was only getting reflections, not directional sound enhancement. Oh, and this was with my desktop PC running a few feet next to me, with the open doorway another foot to my left. And I could still hear the TV buzzing. You can imagine what it sounded like sitting directly in front of the TV, where the proximity and directionality made it much worse. Here's another reference point: play the intro to Star Trek when just the music is playing, turn the TV's volume to 60, and you could still hear the buzz. It buzzed the worst when the screen was bright, but even with a perfectly dark screen it was still pretty loud.

Anyone who suggests that "turning up the volume" is a solution either hasn't heard a set as loud as my Samsung was, or their ears aren't very sensitive to higher frequencies. I recorded the Samsung buzz with a mic and looked at the spectrum in Matlab. It starts at a pretty high frequency, and incidentally is all 60Hz harmonics.

On the other hand, I've seen a 50" '09 Samsung plasma in a quiet environment that was almost virtually silent, even if you stuck your head behind it.

My LG buzzes as well, but it's not nearly as loud, and it is only coming from the back of the set, and not directional radiating off the panel. If the room is quiet I can hear the LG buzzing from anywhere in the room ~(16' x 11' x 8'), but I can drown it out by turning the the surround sound volume up. There is absolutely no way I could have drowned out the buzz from my Samsung set.
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post #1108 of 5219 Old 04-26-2010, 01:58 PM
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Quote:
Originally Posted by bluegt View Post


Red C -5
Green C 0
Blue C 12

Red B -2
Green B 0
Blue B 2


I did this with a Spyder2, best I have unfortunately.


Thanks for posting. I copied my Expert1 over to Expert2 and then adjusted to your color settings. It helped get rid of the redish color in the blacks, but it caused them to turn bluish. So, I kept your red setting and dropped the Blue-C to 5 & Blue-B to 1, now it's much better in the blacks.
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post #1109 of 5219 Old 04-26-2010, 02:09 PM
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Quote:
Originally Posted by MajorJuggler View Post

turn the TV's volume to 60, and you could still hear the buzz. It buzzed the worst when the screen was bright, but even with a perfectly dark screen it was still pretty loud.

It starts at a pretty high frequency, and incidentally is all 60Hz harmonics.


This is one more reason I don't want to get rid of this set, it's dead quiet. Like I mentioned before, my set is in my bedroom and I'll watch TV late at night, even with the volume at 7 or 8, I still don't hear any buzzing. When it cuts to commercial or when there is no sound in the program, I can hear the refrigerator in the next room or the clock ticking, but not the TV. The only real time I hear any kind of buzz is when I first turn it on, and there is a high pitch buzz sound for about a second until the program starts, and then it's all quiet.
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post #1110 of 5219 Old 04-26-2010, 02:20 PM
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Quote:
Originally Posted by Encrypted Neuron View Post

Like I mentioned before, my set is in my bedroom and I'll watch TV late at night, even with the volume at 7 or 8, I still don't hear any buzzing.

I actually wish mine was that quiet! I'll have to do some comparative testing later. I have the 60PK550. I got it delivered from Sears thursday, so I have a little while to figure out if I want to keep it or not.
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