*Official* Optoma HD20 Thread - Page 139 - AVS Forum | Home Theater Discussions And Reviews
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post #4141 of 4149 Old 04-02-2016, 10:49 PM
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Originally Posted by lintball View Post
And what's the current best alternative to the HD20 (should I decide to replace it)? I need a short throw, don't need 3D. Are there any better maintenance-free alternatives out there?
DLP generally does not have an air filter on it where as LCD often done. But not always. Without the air filter, most DLP are considered a zero maintenance device.

As for replacement. Not much interesting to me in the same general price range. The HD25 still sold is pretty much the HD20 with 3D in the same case. HD37, HD26, HD28, and HD141X can be much cheaper but have an odd case with the inputs on the side instead of the rear.

The GT1080 is often below 700 and is a 3D gaming short throw projector that can do 166" image at only 6 ft. 111" at only 4 feet. Inputs are also on the side. Also a 6500 hour lamp rating. Claims a quick 16ms response time for input lag and up to 144hz refresh. For the non-short throw projectors I am not a fan of the side inputs though I guess it doesn't really matter. But for a table top projector, side inputs might actually be nice to keep the overall depth shallow. A 2 layer table with a hole cut in it to the side of the projector with gaming systems on the lower desk, could be a nice setup for non-ceiling mount setups.

Still, if you like your HD20 and want to go the lowest cost route, a new bulb is probably the way to go. But if you like the idea of a short throw projector, there are several well priced projectors to look at.
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post #4142 of 4149 Old 06-24-2016, 04:20 AM
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Hello, I have this projector and I have a problem, I want to hook up a fire tv stick, and that's easy, but when it goes to sound I don't know what to do? Does this projector have any audio out? Or can I use and AV cable, 3.5mm? Thanks
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post #4143 of 4149 Old 06-24-2016, 10:32 PM
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Quote:
Originally Posted by Cinderella17 View Post
Hello, I have this projector and I have a problem, I want to hook up a fire tv stick, and that's easy, but when it goes to sound I don't know what to do? Does this projector have any audio out? Or can I use and AV cable, 3.5mm? Thanks
No speakers on the HD20 and no audio out. The HD20 is for video input only. You will need to break out the audio before going to the HD20. Usually people are using an AV receiver with the HD20. There are devices you can buy to split the audio off the HDMI if the device you are using doesn't have a separate audio output. Which the Amazon TV stick and new 4K box does not have separate audio out.

Need a product like this. I haven't used this one though.
https://www.amazon.com/Audio-Speaker.../dp/B00TUCIC0Y
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post #4144 of 4149 Old 07-19-2016, 09:06 PM
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My HD20 has developed an issue where eventually it seems to get stuck tinted yellow (mine has always done this at startup but clicks on to the correct color). I've taken it apart to clean and check things out and there was no abnormal amount of dust and color wheel looked fine.

Any suggestions? Do each of your projectors show the yellow tint for the first 20secs or so?

EDIT: I also notice it does this yellow tint thing when on the "Grid" pattern screen (but this might be normal) but it seems to "resync" and get back to normal sometimes.

Does each of your projectors turn yellow when on "Grid" pattern?

Last edited by LeBlaaanc; 07-19-2016 at 09:09 PM.
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post #4145 of 4149 Old 07-20-2016, 09:34 AM
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Quote:
Originally Posted by LeBlaaanc View Post
My HD20 has developed an issue where eventually it seems to get stuck tinted yellow (mine has always done this at startup but clicks on to the correct color). I've taken it apart to clean and check things out and there was no abnormal amount of dust and color wheel looked fine.

Any suggestions? Do each of your projectors show the yellow tint for the first 20secs or so?

EDIT: I also notice it does this yellow tint thing when on the "Grid" pattern screen (but this might be normal) but it seems to "resync" and get back to normal sometimes.

Does each of your projectors turn yellow when on "Grid" pattern?
When the lamp is powering up yes, you will get a yellow tint but if it's happening after the lamp is fully working, there might be something else like a color wheel issue.
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post #4146 of 4149 Old 07-21-2016, 07:00 AM
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Quote:
Originally Posted by LeBlaaanc View Post
My HD20 has developed an issue where eventually it seems to get stuck tinted yellow (mine has always done this at startup but clicks on to the correct color). I've taken it apart to clean and check things out and there was no abnormal amount of dust and color wheel looked fine.

Any suggestions? Do each of your projectors show the yellow tint for the first 20secs or so?

EDIT: I also notice it does this yellow tint thing when on the "Grid" pattern screen (but this might be normal) but it seems to "resync" and get back to normal sometimes.

Does each of your projectors turn yellow when on "Grid" pattern?
Mine has never had a yellow tint to it, either when first on or fully warmed up. Are you using an Optoma OEM bulb and housing? Or has it been replaced with a cheaper 3rd party bulb or housing? The light source could be the issue. The color wheel on the HD20 does not contain yellow. Just RGBRGB pattern. So it can't be a stuck color wheel. Even the wrong speed would cause a different effect. Most likely the light source. Either the bulb, discoloring of plastic or other item in light path, or the bulb isn't getting enough power to reach full brightness to create whiter light.
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post #4147 of 4149 Old Today, 03:46 AM
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Hello!
Sorry for my English.
Is it normal to use plastic lens in this projector?
Today I recieved my order from ebay and saw a bleak picture in it with a terrible smell.
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post #4148 of 4149 Old Today, 08:20 AM
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Is it ok to buy this lens ali.onl/31V
and this color wheel ali.onl/31W
for Optoma HD20?

Sorry for my English
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post #4149 of 4149 Old Today, 09:27 AM
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Was considering this for outdoor movie night use on one of those inflatable screens. Has anybody ever used it for this sort of thing? Kind of feeling like I'm in uncharted territory with this project.
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