Official JVC RS3000/NX9 - JVC RS2000/NX7/N7 - JVC RS1000/NX5/N5 - Owners Thread - Page 487 - AVS Forum | Home Theater Discussions And Reviews
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post #14581 of 19501 Old 08-07-2019, 07:48 PM
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Originally Posted by Mike Garrett View Post
If your screen is actually 16:9 (58.34" x 103.72") and the content you are sending is actual 16:9 content, then it will fill your screen properly. It sounds to me like you are shooting 1.85 aspect ratio content onto your screen. That is why you have a few inches on each side. A lot of shows are 1.85 aspect ratio.
Thanks for the response mike. If it was 1.85 content, wouldn’t I have thin black bars at the top and bottom of the image? I’m having these on the sides.

I definitely have a true 16:9 screen with those measurements.
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post #14582 of 19501 Old 08-07-2019, 08:15 PM
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Can’t fill 2.35 screen...help please and thank you

Hi folks...

Finally got my 120” 2.35 screen hung...my N7 lens is 12’11” away from the screen... projection site I was using to ensure I could fill 120” 2.35 screen with my N7 suggests my minimum distance is 12”4’ to fill that screen...from what I can tell I’m at maximum zoom as I can enlarge the image any more...I’m short a few inches on top and bottom and both sides...I really don’t want to have to unmount pj and move it back...Any suggestions? Am I doing something wrong? Thanks folks...

Edit: under the menu where u do lens control etc, I chose the aspect menu item that was set to auto and changed it to zoom...this allowed me to fill the screen...is that the proper adjustment? Are there any implications?

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Last edited by asharma; 08-07-2019 at 08:35 PM.
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post #14583 of 19501 Old 08-07-2019, 09:39 PM
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Originally Posted by asharma View Post
Edit: under the menu where u do lens control etc, I chose the aspect menu item that was set to auto and changed it to zoom...this allowed me to fill the screen...is that the proper adjustment? Are there any implications?
See the previous discussion on this:
https://www.avsforum.com/forum/24-di...l#post58354978
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post #14584 of 19501 Old 08-07-2019, 11:00 PM
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Originally Posted by SoonerDoc View Post
Thanks for the response mike. If it was 1.85 content, wouldn’t I have thin black bars at the top and bottom of the image? I’m having these on the sides.

I definitely have a true 16:9 screen with those measurements.
Yes, you are correct. The image that you are sending with Direct TV can't be an actual 16:9, or you have masking closed in on each side. Check and make sure masking in the JVC is set to zero for right and left sides.
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post #14585 of 19501 Old 08-07-2019, 11:22 PM
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Originally Posted by Ronald Epstein View Post
Just finished firing up the JVC. The ECO MODE was off so that was not the issue, unfortunately.

Wish I didn't have to do two clicks to shut the projector off.

Maybe I should try an RS40 device in the Harmony.

Sorry for that, by mine it works flawless
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post #14586 of 19501 Old 08-08-2019, 01:00 AM
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Originally Posted by Dominic Chan View Post
See the previous discussion on this:
https://www.avsforum.com/forum/24-di...l#post58354978
So when trying to fill the screen, is it better to use the lens zoom function with aspect on auto or is it better to change the aspect to zoom and then use the lens zoom to fill the rest? Or is there any real difference?
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post #14587 of 19501 Old 08-08-2019, 01:03 AM
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Originally Posted by Mike Garrett View Post
Yes, you are correct. The image that you are sending with Direct TV can't be an actual 16:9, or you have masking closed in on each side. Check and make sure masking in the JVC is set to zero for right and left sides.
Jvc mask is definitely off. Screen is definitely 16:9. The directv unit must not be sending a 16:9 image.

I guess I remain confused about how the 17:9 chip on the JVC can send a 16:9 image.
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post #14588 of 19501 Old 08-08-2019, 02:19 AM
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Originally Posted by SoonerDoc View Post
Jvc mask is definitely off. Screen is definitely 16:9. The directv unit must not be sending a 16:9 image.

I guess I remain confused about how the 17:9 chip on the JVC can send a 16:9 image.
This is what I do. Leave the Aspect at "Auto". Use the pattern on p.24 to zoom the image till the 16:9 (1.78) lines fit my 16:9 screen. Use the Shift function if needed. The vertical 17:9 lines will overlap my screen. Just ignore it.

When playing 16:9 (1.78) movies, the image will perfectly fill my screen as with the older projectors. The left/right overlapping black bars will blend in with the screen masking, so I do not notice them. Of course, when playing a 17:9 movie, I will have to zoom inwards to see the full image. But then, I have yet to come across any movie with this aspect for home viewing.

Hope this helps with your confusion. Enjoy!

Last edited by neb04; 08-08-2019 at 02:31 AM.
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post #14589 of 19501 Old 08-08-2019, 03:36 AM
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Originally Posted by Dominic Chan View Post
See the previous discussion on this:
https://www.avsforum.com/forum/24-di...l#post58354978
Thanks Dom...I’m not getting this...if all the projection sites say I need 12”4’ to fill a 120” 2.35 screen and I have closer to 13” from the lens, why does normal zoom with aspect set to auto not allow me to fill the screen...?

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post #14590 of 19501 Old 08-08-2019, 04:17 AM
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Originally Posted by asharma View Post
Thanks Dom...I’m not getting this...if all the projection sites say I need 12”4’ to fill a 120” 2.35 screen and I have closer to 13” from the lens, why does normal zoom with aspect set to auto not allow me to fill the screen...?
Maybe you are just really unlucky on the lens tolerance.

JVC's manual specs 3.79m for minimum throw for 2.35" 120" diagonal (12ft 5.2inches) - this is using the Auto mode (ie 16:9 portion of the panel), but in several places in the past JVC have documented these are subject to +/-5% variation. Taken at face value, worst case +5% required would be around 13ft 1" required.

Are you measuring perpendicular out the front of the projector to the wall (ie straight ahead), or to the center of the screen from the lens?. It needs to be straight ahead.

If so, and you have a couple of inches all round, and the 12ft 13in measurement is correct, it sounds like your unit might be a little bit further still outside of +5%.

Dumb question, but have you measured the screen diagonal to check it really is 120"?
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post #14591 of 19501 Old 08-08-2019, 05:32 AM
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Originally Posted by bobof View Post
Maybe you are just really unlucky on the lens tolerance.

JVC's manual specs 3.79m for minimum throw for 2.35" 120" diagonal (12ft 5.2inches) - this is using the Auto mode (ie 16:9 portion of the panel), but in several places in the past JVC have documented these are subject to +/-5% variation. Taken at face value, worst case +5% required would be around 13ft 1" required.

Are you measuring perpendicular out the front of the projector to the wall (ie straight ahead), or to the center of the screen from the lens?. It needs to be straight ahead.

If so, and you have a couple of inches all round, and the 12ft 13in measurement is correct, it sounds like your unit might be a little bit further still outside of +5%.

Dumb question, but have you measured the screen diagonal to check it really is 120"?

thanks...im right at the 13" foot mark so I may have missed it by an 2 inches...DAMN...do I lose any resolution or have any other negative implications when setting aspect to zoom instead of auto?

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post #14592 of 19501 Old 08-08-2019, 06:07 AM
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Originally Posted by asharma View Post
thanks...im right at the 13" foot mark so I may have missed it by an 2 inches...DAMN...do I lose any resolution or have any other negative implications when setting aspect to zoom instead of auto?
You gain some light but lose 1:1 pixel mapping (there is a small amount of scaling applied to expand the image). I would personally prefer to avoid such close ratio scaling.
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post #14593 of 19501 Old 08-08-2019, 06:13 AM
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Originally Posted by bobof View Post
You gain some light but lose 1:1 pixel mapping (there is a small amount of scaling applied to expand the image). I would personally prefer to avoid such close ratio scaling.

ok, thanks, ill painfully move the 44lb brick back a few inches...thanks good ness I have a good buddy helping me...painful...all part of this stoooopid hobby

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post #14594 of 19501 Old 08-08-2019, 07:25 AM
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Originally Posted by SoonerDoc View Post
Jvc mask is definitely off. Screen is definitely 16:9. The directv unit must not be sending a 16:9 image.

I guess I remain confused about how the 17:9 chip on the JVC can send a 16:9 image.
The panel is 4096 x 2160. When sending a 16:9 image you use 3840 x 2160. So it fills the height, but does not use all of the pixels in width. So you have black bar outside of your 16:9 area on each side of the screen.
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post #14595 of 19501 Old 08-08-2019, 07:47 AM
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Originally Posted by asharma View Post
Thanks Dom...I’m not getting this...if all the projection sites say I need 12”4’ to fill a 120” 2.35 screen and I have closer to 13” from the lens, why does normal zoom with aspect set to auto not allow me to fill the screen...?
Where are you getting your throw distances? A 120" diagonal 2.35 is 110.42" wide, so round up to 111". Set Projector Central calculator to 16:9 and set width to 111" and it gives you 13'-3" of throw. 17:9 is 1.896. So if you set the aspect ratio to 1.9:1, you get 12'-5" of throw. JVC says 12'-5.2", so you can see the calculator is correct.
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post #14596 of 19501 Old 08-08-2019, 07:51 AM
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Originally Posted by Mike Garrett View Post
Where are you getting your throw distances? A 120" diagonal 2.35 is 110.42" wide, so round up to 111". Set Projector Central calculator to 16:9 and set width to 111" and it gives you 13'-3" of throw. 17:9 is 1.89. So if you set the aspect ratio to custom and use 1.89, you get 12'-6" of throw. JVC says 12'-5.2", so you can see the calculator is correct. Remember I rounded up to 111" wide.

thanks Mike, don't have the link for the site I used but u r correct...I need to move the pj back atleast 3 inches...

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post #14597 of 19501 Old 08-08-2019, 08:13 AM
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thanks Mike, don't have the link for the site I used but u r correct...I need to move the pj back atleast 3 inches...
Keep in mind that you get extra brightness if you use the full panel width (zoom aspect ratio).
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post #14598 of 19501 Old 08-08-2019, 08:39 AM
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Keep in mind that you get extra brightness if you use the full panel width (zoom aspect ratio).

ok, thanks Dom, what are the negative implications? As an example, do I lose sharpness because of scaling? Any sense what % brightness is gained?

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post #14599 of 19501 Old 08-08-2019, 08:40 AM
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Lose sharpness, about 5% gain in brightness.

Sharpness loss will be small, scaling at 4K doesn't take nearly as much of a toll as it did with lower resolutions. But the brightness bump is very small as well.
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post #14600 of 19501 Old 08-08-2019, 08:58 AM
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Lose sharpness, about 5% gain in brightness.

Sharpness loss will be small, scaling at 4K doesn't take nearly as much of a toll as it did with lower resolutions. But the brightness bump is very small as well.

I "think" I want sharpness more than brightness...My screen drops down in front of my 85" Sony 900F (1000 nits)...I suspect I'll move the pj back 6 inches tonight...thanks for the insights...

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post #14601 of 19501 Old 08-08-2019, 09:07 AM
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The panel is 4096 x 2160. When sending a 16:9 image you use 3840 x 2160. So it fills the height, but does not use all of the pixels in width. So you have black bar outside of your 16:9 area on each side of the screen.
I remain completely confused as so the aspect ratio the JVC NX7 will project on a 16 x 9 screen when 16 x 9 content for example NFL football is sent to the projector.

Since sports is the main use for my projector I do not want any black bars on the image... I only want perfect 16 x 9 geometry to fill the screen the full 16 x 9 image without any further manipulation.

Would a projector with native 3840 x 2160 chip be better for me considering that 16 x 9 sports is the top priority?

Right now the two projectors I would consider are the JVC NX7 or the BenQ HT9060.

I am starting to think that the JVC NX7 is better suited for movies and that the BenQ HT9060 is better suited for sports.

I need a demo of the JVC NX7 with either cable or sat input showing HD content to see how it fills the screen.
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post #14602 of 19501 Old 08-08-2019, 09:18 AM
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Originally Posted by MMC57 View Post
I remain completely confused as so the aspect ratio the JVC NX7 will project on a 16 x 9 screen when 16 x 9 content for example NFL football is sent to the projector.

Since sports is the main use for my projector I do not want any black bars on the image... I only want perfect 16 x 9 geometry to fill the screen the full 16 x 9 image without any further manipulation.

Would a projector with native 3840 x 2160 chip be better for me considering that 16 x 9 sports is the top priority?

Right now the two projectors I would consider are the JVC NX7 or the BenQ HT9060.

I am starting to think that the JVC NX7 is better suited for movies and that the BenQ HT9060 is better suited for sports.

I need a demo of the JVC NX7 with either cable or sat input showing HD content to see how it fills the screen.
The black bars will not be on your screen. The black bars on a 16:9 screen hit on the frame and maybe the wall, depending on the size of the image and width of the frame. All true native 4K projectors (Sony and JVC) use a 4096 x 2160 panel. So this is nothing new. Has been this way since 2012 when the VW1000 came out. If you have a regular 3" wide frame and your aspect ratio of your screen is 16:9, then you really do not see the black bars. Just like guys that have scope screens and zoom the top and bottom black bars off the screen. You no longer see them.

If you have a zero edge type of 16:9 screen and place it on a white wall, then you probably will see the bars hitting the wall on each side of the frame, if looking for them.
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post #14603 of 19501 Old 08-08-2019, 09:33 AM
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Originally Posted by MMC57 View Post
I remain completely confused as so the aspect ratio the JVC NX7 will project on a 16 x 9 screen when 16 x 9 content for example NFL football is sent to the projector.

Since sports is the main use for my projector I do not want any black bars on the image... I only want perfect 16 x 9 geometry to fill the screen the full 16 x 9 image without any further manipulation.
You're really overthinking this.

- Your screen is 16:9.
- The projector's panel is natively 17:9, with 4096x2160 pixels.
- The projector's default mode is to only use 3840x2160 pixels in a 16:9 shape. This leaves thin black bars of unused pixels on the sides.
- When you align the projector onto the screen, the 16:9 portion of the panel should perfectly fill the 16:9 screen. The black bars on the sides should spill off onto your screen border. Because JVC projectors have good black levels, there is very little likelhood that you will ever notice them.

Quote:
Would a projector with native 3840 x 2160 chip be better for me considering that 16 x 9 sports is the top priority?
I don't believe there is such a thing as a projector with a native 3840x2160 chip. There are, however, some models with 1920x1080 chips that use frame-shifting to simulate 4k.

Quote:
Right now the two projectors I would consider are the JVC NX7 or the BenQ HT9060.

I am starting to think that the JVC NX7 is better suited for movies and that the BenQ HT9060 is better suited for sports.

I need a demo of the JVC NX7 with either cable or sat input showing HD content to see how it fills the screen.
JVC projectors are optimized for movies. If your primary viewing concern is sports, there are many less expensive projectors that will probably meet your needs. I would consider JVC overkill for that usage.

I have not seen a BenQ HT9060 specifically, but in general, DLP pixel-shifting "4k" projectors have terrible contrast and black levels. I do not consider them usable for movie watching. But that may not be a concern for you watching sports, which is almost exclusively shot in bright light with little shadow or contrast.

I think it would definitely benefit you to get a demo of any projector you're looking at (or at least similar models) before buying.

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post #14604 of 19501 Old 08-08-2019, 09:34 AM
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ok, thanks, ill painfully move the 44lb brick back a few inches...thanks good ness I have a good buddy helping me...painful...all part of this stoooopid hobby
Probably best to move the whole mount, but you could build a plate out of 3/4" plywood and leave the mount right where it is at, make the plate so it is 3" off center. <<< Click Here >>>
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post #14605 of 19501 Old 08-08-2019, 09:57 AM
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The black bars will not be on your screen. The black bars on a 16:9 screen hit on the frame and maybe the wall, depending on the size of the image and width of the frame. All true native 4K projectors (Sony and JVC) use a 4096 x 2160 panel. So this is nothing new. Has been this way since 2012 when the VW1000 came out. If you have a regular 3" wide frame and your aspect ratio of your screen is 16:9, then you really do not see the black bars. Just like guys that have scope screens and zoom the top and bottom black bars off the screen. You no longer see them.

If you have a zero edge type of 16:9 screen and place it on a white wall, then you probably will see the bars hitting the wall on each side of the frame, if looking for them.
My screen is 16 x 9... 137.7 Diagonal.... 120 width.... 67 high.

the Bezel is 1.5 inches.... Black Velvet.

Will the 1.5 inch bezel eat up the the black bars?

Walls and ceiling are going to be repainted with the renovation so hopefully any spillage beyond the 1.5 inch Bezel will not be noticeable if I go that route with the JVC.

My friend has an AV store with a NX5 on display so I will call him to see if he has cable or sat so we can feed

16 x 9 content.

If I am satisfied with the aspect ratio concern then my last issue will be about motion handling with fast moving sports.
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post #14606 of 19501 Old 08-08-2019, 10:16 AM
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My screen is 16 x 9... 137.7 Diagonal.... 120 width.... 67 high.
The side bars are 3.3% of the screen width, on each side. For a 120” wide screen it would be 4”.
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Alrighty, I had some time to look into my USB update issue. If you format a usb drive in Windows 10, it seems to format the drive to GPT by default. I do not think the JVC likes that formatting (its used for newer UEFI bios). So if you are having issues with your USB drives you can reformat them into the older MBR format with a primary partition. I did this and the JVC immediately picked up the drive and started the update. Here are some instructions in EaseUS Partition Manager Free edition.

First I would delete all the partitions on the drive and start fresh.

Then initialize the drive to MBR (right click on highlighted area)



Create a new parition that is Primary Fat32




Final

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post #14608 of 19501 Old 08-08-2019, 10:33 AM
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Quote:
Originally Posted by MMC57 View Post
My screen is 16 x 9... 137.7 Diagonal.... 120 width.... 67 high.

the Bezel is 1.5 inches.... Black Velvet.

Will the 1.5 inch bezel eat up the the black bars?

Walls and ceiling are going to be repainted with the renovation so hopefully any spillage beyond the 1.5 inch Bezel will not be noticeable if I go that route with the JVC.

My friend has an AV store with a NX5 on display so I will call him to see if he has cable or sat so we can feed

16 x 9 content.

If I am satisfied with the aspect ratio concern then my last issue will be about motion handling with fast moving sports.
No, the black bar should be about 4" wide on each side. As long as your walls are not near white, you will not see the bar. You can use any 16:9 source. Bring a 16:9 movie with you.
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post #14609 of 19501 Old 08-08-2019, 10:37 AM
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Quote:
Originally Posted by Dominic Chan View Post
The side bars are 3.3% of the screen width, on each side. For a 120” wide screen it would be 4”.
So in my case I would have 1/2" spillage onto the wall... hmmm... will have to see a demo and see what it looks like.

Thanks for the information about the 3.3% of screen width.

Is there a reference or website that shows this type of information?
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post #14610 of 19501 Old 08-08-2019, 11:12 AM
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Quote:
Originally Posted by MMC57 View Post
So in my case I would have 1/2" spillage onto the wall... hmmm... will have to see a demo and see what it looks like.



Thanks for the information about the 3.3% of screen width.



Is there a reference or website that shows this type of information?
It is a bit worse than that because there is an area that is additionally lit by the light engine but doesn't have pixels in it - ie the lit screen area is wider than the 17:9 size. That would usually fall on the screen bezel, but you've more than used that up with the extra width from 17:9 side bars. It will be notable during dark scenes if the wall isn't dark and you don't have ambient light in the room.

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