LG PA75U -Anybody else own one of LG's Abandoned Children? - Page 16 - AVS | Home Theater Discussions And Reviews
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post #451 of 471 Old 01-18-2015, 09:39 AM
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I just received the 03.05.00 update from 03.01.00 also -- I see a magical mirroring option now but that's about it. Think it relies upon something from MirrorOp.com. Not sure if it was already there.
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post #452 of 471 Old 01-18-2015, 11:53 AM
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I haven't updated yet and have the magicmirror..and yes it requires a separate $10 program for the source device. Well, mirror OP does. I can't remember if magic mirror was that or the built-in windows screenshare (that only worked with windows 7 and vista). Either way, magic-mirror was already there.

Can anyone who's updated try the built-in web browser and see if it still supports FLASH video like a standard computer? I'm worried the projector will lose flash support like android 4.2+ did where it's actually pried out of your hands.

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post #453 of 471 Old 01-21-2015, 06:28 AM
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Originally Posted by Ftoast View Post
I haven't updated yet and have the magicmirror..and yes it requires a separate $10 program for the source device. Well, mirror OP does. I can't remember if magic mirror was that or the built-in windows screenshare (that only worked with windows 7 and vista). Either way, magic-mirror was already there.

Can anyone who's updated try the built-in web browser and see if it still supports FLASH video like a standard computer? I'm worried the projector will lose flash support like android 4.2+ did where it's actually pried out of your hands.
Hello!


Hey float, I'm still working around your tips to get a better contrast perception and black levels.
I've been playing with the dynamic contrast option, and I find that the low setting actually stretches the contrast ratio more than the medium setting (or in a different way than the low and hi setting).

My screen size is 70". I don't need a bigger screen since my viewing distance is abou 3 meter and I'm using the economic bulb mode. What size of screen are you using, and which bulb mode?

Also I've build a DIY 70" light gray screen and the black level has improved while maintaining an acceptable brightness, but then I think I have screwed the color balance (didnt' get a neutral grey, I supose). Anyone is using a grey or silver screen with goog results?

All in all, I'm starting to enjoy this mini sized projector
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post #454 of 471 Old 01-21-2015, 07:17 AM
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Quote:
Originally Posted by fheanor View Post
Hello!


Hey float, I'm still working around your tips to get a better contrast perception and black levels.
I've been playing with the dynamic contrast option, and I find that the low setting actually stretches the contrast ratio more than the medium setting (or in a different way than the low and hi setting).

My screen size is 70". I don't need a bigger screen since my viewing distance is abou 3 meter and I'm using the economic bulb mode. What size of screen are you using, and which bulb mode?

Also I've build a DIY 70" light gray screen and the black level has improved while maintaining an acceptable brightness, but then I think I have screwed the color balance (didnt' get a neutral grey, I supose). Anyone is using a grey or silver screen with goog results?

All in all, I'm starting to enjoy this mini sized projector
I've noticed DynamicContrast seems to behave a little differently depending on the video and even the source. I watched a 3D bluray just yesterday with PlayStation 3 and NONE of the DynamicContrast settings seemed to stretch shadow-details like they usually do for USB and computer video. I'm guessing it was possibly due to the video's specific range (it was I am Robot), but still..weird. Usually medium gives the most brightness in the darker scenes that need he most help in a bright room, but I can totally understand now how that might not always be the case.

I use an 8ft-wide (110" 16:9) white screen on low or occasionally medium brightness. Seats are about 2.5m away.

I've painted a few different grey screens that worked well. The projector is actually bright enough to use with some seriously dark screens when they've got some metallic black/dark-grey added.
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post #455 of 471 Old 01-22-2015, 01:48 PM
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Hello:

I was wondering if someone has done a color calibration on the pa75. In standard mode, I think that the color balanced is biased toward red, at least when compared with my IPS monitor, and the other modes (cinema etc..) are way off for my taste. I have done a calibration on the Pa75 by comparison, and now the color balance is very colse to the LG monitor.

Otherwise, I have found a review of the Pa72/Pa70 (it's the same projector without smartTv, right? but I don't have the knowledge to understand all the measurements that they have done, but it seems that red color is off.



The test of the projector can be found here:
I can't post the link but simply google cine4home PA72G test and it's the first result


And this is my calibration in expert mode if anyone wants to try it:

contrast 100
Brightness 50
color 47
Dynamic contrast medium
tint 0
Black lvl high
gamut wide
color temo. medium
gamma 2.2

red contrast 0
green contrast -6
blue contrast 3

red bright -3
green bright 0
blue bright 4

color management:
All colors 0, except yellow = -4
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post #456 of 471 Old 01-22-2015, 08:40 PM
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Quote:
Originally Posted by fheanor View Post
I was wondering if someone has done a color calibration on the pa75.
Contrast 98
Brightness 54
Sharpness 15
Color 49
Tint R10
Gamma 2.2

Black-level high/low depends on your source
DynamicContrast OFF
Sharpness enhancements OFF
Other "enhancements" OFF including the motion and noise ones in the other extra-options section

Gamut SMPTE

WB warm
WB:R/G/B
2
5
10/0/5
15/0/10
15/0/10
20
20
20
20
25
25
25
30
30
25
20
15
10
5
50

CMS
Green: tint -15
Yellow: tint -15

Spoiler!

The biggest bothers for me are the blue-ish and overly bright greens and the green-ish and fairly strong yellows. Also, most white-balance presets are pretty cold except Native which is quite yellow/green.
The settings above mostly solved these issues for me and give colors that look a lot less neon.

If you are a fan of colder white-balance, I prefer Purity over Cool/Medium..it seems brighter and better with sky hues.
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Last edited by Ftoast; 01-22-2015 at 08:48 PM.
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post #457 of 471 Old 01-23-2015, 02:17 PM
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Originally Posted by Ftoast View Post
Contrast 98
Brightness 54
Sharpness 15
Color 49
Tint R10
Gamma 2.2

Black-level high/low depends on your source
DynamicContrast OFF
Sharpness enhancements OFF
Other "enhancements" OFF including the motion and noise ones in the other extra-options section

Gamut SMPTE

WB warm
WB:R/G/B
2
5
10/0/5
15/0/10
15/0/10
20
20
20
20
25
25
25
30
30
25
20
15
10
5
50

CMS
Green: tint -15
Yellow: tint -15

Spoiler!

The biggest bothers for me are the blue-ish and overly bright greens and the green-ish and fairly strong yellows. Also, most white-balance presets are pretty cold except Native which is quite yellow/green.
The settings above mostly solved these issues for me and give colors that look a lot less neon.

If you are a fan of colder white-balance, I prefer Purity over Cool/Medium..it seems brighter and better with sky hues.
Thanks floast!

I'ts really hard to calibrate the color balance without any "valid" reference or pattern. My eyes/brain get used to "almost" any color balance. My last calibration was way cold, even I didn't notice the strong yellows until you noted that.

Lowering the green and yellow in the CMS menu makes a big difference. Still working on it but now I think I'm in the right path !
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post #458 of 471 Old 01-24-2015, 06:42 AM
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Quote:
Originally Posted by fheanor View Post
I'ts really hard to calibrate the color balance without any "valid" reference or pattern. My eyes/brain get used to "almost" any color balance. My last calibration was way cold, even I didn't notice the strong yellows until you noted that.

Lowering the green and yellow in the CMS menu makes a big difference. Still working on it but now I think I'm in the right path !
My references aren't perfect either, but with these settings I don't see jarring differences comparing the LG to the older Panasonic Plasma, the CFL LCD or the P300.
The green is its biggest issue and it isn't possible to totally tone it down, but it gets close enough to not be a bother.

Someone with a spectro and some know-how could make a much more valid calibration.
But I'm totally happy to share.
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post #459 of 471 Old 01-24-2015, 01:35 PM
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hello again:

Floast your calibration rocks!

Between, I have found a *.pdf with an IRE calibration for the LG PA70 and I supose that it's done with a spectro.
Its IRE 10 points, not 20. I don't know if it "fits" on the PA75 or the PA70 is a different animal.

Anyway, here is the link:

http://home.comcast.net/~eye_fling_poo/PA70G.pdf



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post #460 of 471 Old 01-24-2015, 04:30 PM
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Originally Posted by fheanor View Post
hello again:

Floast your calibration rocks!

Between, I have found a *.pdf with an IRE calibration for the LG PA70 and I supose that it's done with a spectro.
Its IRE 10 points, not 20. I don't know if it "fits" on the PA75 or the PA70 is a different animal.

Anyway, here is the link:

http://home.comcast.net/~eye_fling_poo/PA70G.pdf



Judging from what I've heard/read, the pa70g IS a pretty different animal at least when it comes to settings, so those might end up looking a little odd.
I wonder if the CMS "color" control next to tint in the PDF is luminance or saturation?
The overall color of 71 can make people look pretty sunburned on the pa75u.

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post #461 of 471 Old 05-07-2015, 10:08 PM
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Long time lurker, first time posting. blacks and grays appear extremely grainy...almost like tv static. Anyone have any ideas? Is this normal on this projector? Seems to only kick in when I'm watching video from a USB or hdmi, switched out hdmi cables and everything. This is my first projector btw so I'm sort of newbie.
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post #462 of 471 Old 05-08-2015, 12:31 AM
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Originally Posted by SideSwiped01 View Post
Long time lurker, first time posting. blacks and grays appear extremely grainy...almost like tv static. Anyone have any ideas? Is this normal on this projector? Seems to only kick in when I'm watching video from a USB or hdmi, switched out hdmi cables and everything. This is my first projector btw so I'm sort of newbie.
While absolute black will look smoothly dark at any distance, slightly lighter shades are made by the panel flashing sporadic bits of grey that can look like grainy static if you walk up close to the screen.

If you're seeing it noticeably from regular seating-distance, especially only with certain videos/sources, it might be a problem at the source that's getting brought out a little extra from the projector.
Projector screen-sizes alone can make some previously unnoticed flaws in movies become visible, especially with certain settings cranked too high.
That's why it's best to use the best source-video you're able to and sometimes more subtle settings can help either way.
It shouldn't be a problem with your projector itself since it doesn't happen through all inputs.

I would suggest trying Sharpness down below 25-30.
Try Cinema preset and go into the Advanced Menu to turn OFF DynamicContrast and anything else that can be set to OFF (sometimes DynamicContrast might actually help erase source grain because it loses small details like that...might be best to try it both on and off).
Having gamma at 2.2 or 2.4 can help lower some dark-scene noise as well.

If you ever wonder if something might be a problem with the source, try playing the same thing through your regular TV while sitting about 4ft away from the screen.
You'll notice flaws you might've missed before.

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post #463 of 471 Old 05-08-2015, 06:59 AM
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Originally Posted by Ftoast View Post
While absolute black will look smoothly dark at any distance, slightly lighter shades are made by the panel flashing sporadic bits of grey that can look like grainy static if you walk up close to the screen.

If you're seeing it noticeably from regular seating-distance, especially only with certain videos/sources, it might be a problem at the source that's getting brought out a little extra from the projector.
Projector screen-sizes alone can make some previously unnoticed flaws in movies become visible, especially with certain settings cranked too high.
That's why it's best to use the best source-video you're able to and sometimes more subtle settings can help either way.
It shouldn't be a problem with your projector itself since it doesn't happen through all inputs.

I would suggest trying Sharpness down below 25-30.
Try Cinema preset and go into the Advanced Menu to turn OFF DynamicContrast and anything else that can be set to OFF (sometimes DynamicContrast might actually help erase source grain because it loses small details like that...might be best to try it both on and off).
Having gamma at 2.2 or 2.4 can help lower some dark-scene noise as well.

If you ever wonder if something might be a problem with the source, try playing the same thing through your regular TV while sitting about 4ft away from the screen.
You'll notice flaws you might've missed before.
Thanks, I will try this out when I get home. I also have Disney WoW to help me with the process. I guess a follow up question is that this projector was my first, which I bought over a year ago, and I'm considering an upgrade since I enjoyed my time with it so much; do most projectors produce this grainy static? I'm going to assume one of my settings was to high, but for future reference I'm just curious.

To be more specific about the projectors I'm looking at, I narrowed it down to the BenQ 1070/1075 or the LG PF1500.
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post #464 of 471 Old 05-08-2015, 01:05 PM
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Thanks, I will try this out when I get home. I also have Disney WoW to help me with the process. I guess a follow up question is that this projector was my first, which I bought over a year ago, and I'm considering an upgrade since I enjoyed my time with it so much; do most projectors produce this grainy static? I'm going to assume one of my settings was to high, but for future reference I'm just curious.

To be more specific about the projectors I'm looking at, I narrowed it down to the BenQ 1070/1075 or the LG PF1500.
If it does end up a problem from the source or strange settings, any projector or TV for that matter (if large enough) can do the same thing, but you should be in good shape with either of those projectors.

Both the pf1500 and the w1070/1075 start with better settings right out of the box than this older LG, and both are among the best images you'll find under $1700-2000. ..though I wouldn't expect a huge night and day change in picture-quality.

The w1070 gives very accurate colors and settings for a very natural image AND a lot of brightness..it also adds a little extra flexibility for mounting with its small amount of zoom and adjustable offset that allows a few inches of up/down movement. It is on the louder side for fan-noise (most who find it too loud still find eco-lamp alright) and it does use lamps albeit very slowly.

The PF1500 will give a better out-of-the-box image than the older LG as well though not as accurate or bright as the w1070..it'll still be more-so than the pa75u. The 1500 is also the quietest of these three and nearly silent in low or medium brightness along with the more rugged and size-friendly portability that comes from being LEDlit. It has no lens-shift (and its digital keystone won't be quite as forgivable as the pa75u) but it does have a small amount of zoom to help a little if you'll be ceiling-mounting.

The 1500 should also be tripod-mountable like the pa75u where the w1070 is not and would instead require a flat surface.
The 1500 lacks 3D where both the w1070 and the older pa75u have excellent easy DLPlink 3D that can be used with many glasses ranging from $12-40.

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post #465 of 471 Old 05-08-2015, 04:42 PM
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^^^Despite all that, the humble PA75u is already a solid enough model to make upgrading to anything less than a $1700-2000 projector a more subtle upgrade than you might expect.
Unless a good majority of your viewing is bluray movies, or you are specifically after an increase in lumens, you may or may not find the "upgrade" to be worth it.

I did own both of these at the same time, and personally didn't feel the upgrade to be quite enough. BUT I do place a pretty high value on both portability as well as the ability to handle 720p and below well, and I've rarely if ever found the pa75u to be too dim.
The color-accuracy can also be improved decently enough to shrink the difference, and all the w1070 advantages for brightness, contrast and flexibility are less-so for the pf1500.

I'm not knocking the upgrade so much as trying to help keep expectations in check.

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The w1070 finally arrived, so I've taken a few side by side pictures of it next to the PA75u. Besides the brightness and contrast difference being a little less dramatic than I'd hoped, I also noticed a strange advantage of the LG's pixel structure..When dealing with resolution lower than 1080, and/or when using 1080 coupled with digital keystone correction (which should be avoided if possible) the LG appears to have smoother yet sharper edges and less image noise despite having noise-reduction set OFF. The w1070 is still the sharper projector for 1080 material (as long as digital keystone adjustment isn't used), but for everything that uses re-mapping the LG seems to have a visible advantage.
 
The W1070(top) is in "eco" set for cinema mode with contrast boosted slightly and "BrilliantColor" turned OFF. The LG(bottom) is on brightest backlight setting with "DynamicContrast" turned to MEDIUM

Despite output hypothetically being around 900lm for the w1070 and around 400lm for the LG at these settings, the perceived brightness was very similar. A bit disappointing.
 
Next, the W1070(right side) is set for boosted colors/contrast/gamma/brightness at full lamp brightness and "BrilliantColor" is ON. The LG is still set for brightest backlight and "DynamicContrast" at MEDIUM. This is during the day, using a smaller image size in the daylight.

The DynamicContrast of the LG keeps the dark APL scenes looking similar, but the brightness advantage of the w1070 shows through during the brighter scenes. In person the W1070 looked a little cold at these settings but plenty watchable, and there's always the option to sacrifice some of the brightness to warm the picture.
 
Still, the knowledge that the w1070 will lose nearly half of its brightness after a year of my usage habits coupled with the lack of visible contrast improvement means the W1070 will be getting returned and my search will have to continue.

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post #466 of 471 Old 05-14-2015, 10:29 AM
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Anyone using this to project more than 100"? Because of where I'll have to mount in a finished basement it'll be about 12' from the projected wall so I'm guessing it'll be closer to 120". It's in a basement with low ambient lighting and will mostly be used for movies/ppv events. Still looking at screen options versus paint the wall with screen paint.
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post #467 of 471 Old 05-14-2015, 11:24 AM
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Anyone using this to project more than 100"? Because of where I'll have to mount in a finished basement it'll be about 12' from the projected wall so I'm guessing it'll be closer to 120". It's in a basement with low ambient lighting and will mostly be used for movies/ppv events. Still looking at screen options versus paint the wall with screen paint.
I use it at 110" in the familyroom and have used it a lot larger outside.

A problem that may or may not bother you ... this particular projector actually runs out of focus-wheel adjustment around 100" which is very odd. This means that any size bigger than 100-105" will have a slightly softer focus. It's more noticeable with text than video, but it's worth some mention.

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post #468 of 471 Old 05-14-2015, 01:59 PM
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Ahhhh, thank you. any other projectors you'd recommend checking into for my situation? I don't mind spending a bit more but would prefer to keep it under $800.
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post #469 of 471 Old 05-14-2015, 01:59 PM
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I don't need the SMart functions btw.
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post #470 of 471 Old 05-14-2015, 02:19 PM
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Ahhhh, thank you. any other projectors you'd recommend checking into for my situation? I don't mind spending a bit more but would prefer to keep it under $800.
The lamp-based(not LED) w1070 or w1075 will give you a really accurate 1080p image with more than enough brightness to fight a bit of light from that distance where it can make an image anywhere from ~110-135" with its 1.3:1zoom and it is selling for $699-799.
Lamps last a really long time in it which is also nice.

The pa77u is a similar model to this pa75u which is about $650 and may have lengthened the focus range.

The full 1080p LG pf1500 LED projector is brighter and quieter and focuses just fine but is above budget at $900-1000.

Most of the cheaper LED projectors are a lot louder (fan noise) than the LG's, and aren't much cheaper..so I really do tend to like the LG LEDs.

If you're going for simple, something like the AAXA p450 might do alright. Similar to the pa75u in some ways but a lot less special features and about $400-450, but it's louder too. It's one of the few LED projectors besides LG which has good color:white balance.

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post #471 of 471 Unread Today, 10:39 AM
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I haven't updated yet and have the magicmirror..and yes it requires a separate $10 program for the source device. Well, mirror OP does. I can't remember if magic mirror was that or the built-in windows screenshare (that only worked with windows 7 and vista). Either way, magic-mirror was already there.

Can anyone who's updated try the built-in web browser and see if it still supports FLASH video like a standard computer? I'm worried the projector will lose flash support like android 4.2+ did where it's actually pried out of your hands.
It was there I am running not updated too. I had such big hopes that it might solve restart loop with Plex but I can't even update (WHY?). I feel like most abandoned pa75u in the planet :/.

Also bought MirrorOP aplication but it's crap well OK for doc reading/showing/web browsing but not for movies at least not for descent 720p rips. On Plex media server I was running easily 720p sometimes even 1080p rips over WiFi without any lags or glitches.

So as I understand the only solution for restart loop is another content streaming device like Chromecast or Roku. Or did the update solved it ?

It looks that last resort for me is Intel's WiDi -(wireless display) another WiFi streaming technology supported by PA75U. I have noticed that my motherboard supports Asus remote Go and WiDi supports Asus Miracast. Downloaded that Asus remote Go but the damn thing refuses to install. So probably I will re install Windows 7 or even have to move to Windows 8 :/ (HEY MAYBE ON WINDOWS 8 THERE IS NO RESTART PROBLEM?) Because once you have tried watching content without cables you don't want to go back !
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