*Official* Optoma HD20 Thread - Page 139 - AVS Forum | Home Theater Discussions And Reviews
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post #4141 of 4170 Old 04-02-2016, 10:49 PM
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Quote:
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 4170 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 4170 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 4170 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 4170 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 4170 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 4170 Old 07-23-2016, 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 4170 Old 07-23-2016, 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 4170 Old 07-23-2016, 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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post #4150 of 4170 Old 07-23-2016, 05:38 PM
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Good info.
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post #4151 of 4170 Old 07-23-2016, 08:02 PM
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Originally Posted by Flapirate View Post
Good info.
There is a separate place for post padding. You don't have to reply with these BS comments that are not even related to the thread topic.

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post #4152 of 4170 Old 07-23-2016, 11:05 PM
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Quote:
Originally Posted by seventhsite View Post
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.
The HD20 started with glass lens, but at some point they switched to a plastic lens. Which is fine if you use the OEM bulb and OEM housing for the bulb. Otherwise a cheap bulb melts the plastic lens on the younger HD20's.
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post #4153 of 4170 Old 07-23-2016, 11:10 PM
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Quote:
Originally Posted by pkok3 View Post
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.
Regardless of what projector you use, outdoor use can have a lot of light pollution on the screen. So you will need a really bright projector. And if you are going over 150" in image size, you will want it even brighter. The HD20 is listed at 1700 lumens. You will probably want 2500+ lumens. A presentation projector will often do over 3000 Lumens. The brighter the better for outdoor use. You will certainly see the image with the HD20. And it will do a huge image on the screen. But the bigger the image, the dimmer the picture gets. I do not think you will be happy with the dim image using the HD20 at 150+ inch image with an outdoor setup.
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post #4154 of 4170 Old 08-11-2016, 05:20 AM
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What can cause a such poor picture?
I changed the lens and color wheel to the new glass. Maybe the dirt on the lens or a not OEM bulb?
The picture is much the glow from the object.

All photos *******/photos/wvovjKFDqqh8NN2j7
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Sorry for my English
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post #4155 of 4170 Old 08-12-2016, 06:44 AM
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Quote:
Originally Posted by seventhsite View Post
What can cause a such poor picture?
I changed the lens and color wheel to the new glass. Maybe the dirt on the lens or a not OEM bulb?
The picture is much the glow from the object.

All photos *******/photos/wvovjKFDqqh8NN2j7
oil in the light path or bad front lens.
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post #4156 of 4170 Old 08-15-2016, 12:01 AM
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Originally Posted by xenon2000 View Post
oil in the light path or bad front lens.
I clean all with manual technitoys .com/optoma-hd20-dlp-projector-repairing-the-dark-spot/
I think the DMD chip have been most dirty.
Now picture is very good!

Link to photos in last message with domain goo gl - you can see the difference!
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Sorry for my English
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post #4157 of 4170 Old 08-15-2016, 06:54 AM
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Quote:
Originally Posted by seventhsite View Post
I clean all with manual technitoys .com/optoma-hd20-dlp-projector-repairing-the-dark-spot/
I think the DMD chip have been most dirty.
Now picture is very good!

Link to photos in last message with domain goo gl - you can see the difference!
Glad to see it's clean now. Mirrors and DMD are all part of the light path. Must have been some oil on the DMD. Glad that you found it. Have fun.
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post #4158 of 4170 Old 11-06-2016, 07:53 PM
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Unhappy Optima HD20 DLP projector boot up issue

Hello, all. I've had this projector since 2009, and its never given me a problem. A few days ago the picture and lamp turned off while watching a show, and the fan turned on and initiated the "cooling down" phase. (Honestly, I'm not sure how many hours are on the bulb, but i'd guess more than 2000)

After the projector fan finished the "cooling down" phase, I tried to turn it back on and the power light (which was amber as it normally is in standby) turns green, but flashes 3 or 4 times - and then nothing happens. No fan, no lamp turning on, nothing. I figured the lamp just needed to be replaced, but after replacing it, nothing changed. I did some googling and didn't find anything definitive on what the failure was. A bunch of posts suggested opening it up and cleaning out the dust with some compressed air, that maybe the fan was gunked up. Tried it - nothing changed. After opening this thing up, I'm pretty impressed, it's really clean.

Anyone have any ideas?
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post #4159 of 4170 Old 01-02-2017, 02:27 AM
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Lightbulb Flickering is back again

HISTORY
One year ago, I had two issues: "color starts flickering and then flickering stops with washed-out colors. When I properly recycle the power, the fans starts, the green light blinks and then light turns red. After switching off for 30 minutes or so, sometimes I get it working only to face the main flickering issue again after few minutes."

High altitude mode worked for some time. Later, bulb replacement and cleaning solved the issue.

NOW
Problem re-appears. Using high altitude mode and Cleaning does not solve the issue. Bulb has only 180 hours. Technician is suggesting to replace the color wheel.

Please share your comments? @xenon2000

In parallel, I am thinking to buy a replacement color wheel. Is there any part number that I should be looking for?

Is this the correct one?
https://www.amazon.com/gp/product/B0...A2K2EHIG4LMPW4

Are the any other links to get color wheel in reasonable cost, I guess ~50-60$?

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Last edited by wecaz; 01-02-2017 at 03:24 AM.
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post #4160 of 4170 Old 01-03-2017, 06:35 AM
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Quote:
Originally Posted by Will Matthau View Post
Hello, all. I've had this projector since 2009, and its never given me a problem. A few days ago the picture and lamp turned off while watching a show, and the fan turned on and initiated the "cooling down" phase. (Honestly, I'm not sure how many hours are on the bulb, but i'd guess more than 2000)

After the projector fan finished the "cooling down" phase, I tried to turn it back on and the power light (which was amber as it normally is in standby) turns green, but flashes 3 or 4 times - and then nothing happens. No fan, no lamp turning on, nothing. I figured the lamp just needed to be replaced, but after replacing it, nothing changed. I did some googling and didn't find anything definitive on what the failure was. A bunch of posts suggested opening it up and cleaning out the dust with some compressed air, that maybe the fan was gunked up. Tried it - nothing changed. After opening this thing up, I'm pretty impressed, it's really clean.

Anyone have any ideas?
I had this happen before with the HD20 and another optoma. What worked for me, was to unplug it completely from power and I left it that way overnight. And they it worked fine. Guessing I didn't have to wait that long. But I wanted to make sure it was 100% cooled off, etc. If it has already been off for a super long time, then maybe just leave it unplugged for 5 mins and try again. Hopefully that works for you too.
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post #4161 of 4170 Old 01-03-2017, 06:44 AM
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Quote:
Originally Posted by wecaz View Post
HISTORY
One year ago, I had two issues: "color starts flickering and then flickering stops with washed-out colors. When I properly recycle the power, the fans starts, the green light blinks and then light turns red. After switching off for 30 minutes or so, sometimes I get it working only to face the main flickering issue again after few minutes."

High altitude mode worked for some time. Later, bulb replacement and cleaning solved the issue.

NOW
Problem re-appears. Using high altitude mode and Cleaning does not solve the issue. Bulb has only 180 hours. Technician is suggesting to replace the color wheel.

Please share your comments? @xenon2000

In parallel, I am thinking to buy a replacement color wheel. Is there any part number that I should be looking for?

Is this the correct one?
https://www.amazon.com/gp/product/B0...A2K2EHIG4LMPW4

Are the any other links to get color wheel in reasonable cost, I guess ~50-60$?
I am certainly no expert and have since sold my HD20 about 3 years ago. At which time it was still working perfectly. If you want a really cheap color wheel for the HD20 and can wait for it. Ebay sells a $31 color wheel for the HD20, shipped. As I haven't personally haven't had to replace a wheel yet, I don't know if there is any downside to the cheap Hong Kong version. But I personally like the idea that you would be out only $31 if that didn't solve your issue. And if it does solve the issue but doesn't last long, you can always get the more expensive one.
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post #4162 of 4170 Old 01-03-2017, 07:17 AM
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Cool

Quote:
Originally Posted by xenon2000 View Post
I am certainly no expert and have since sold my HD20 about 3 years ago. At which time it was still working perfectly. If you want a really cheap color wheel for the HD20 and can wait for it. Ebay sells a $31 color wheel for the HD20, shipped. As I haven't personally haven't had to replace a wheel yet, I don't know if there is any downside to the cheap Hong Kong version. But I personally like the idea that you would be out only $31 if that didn't solve your issue. And if it does solve the issue but doesn't last long, you can always get the more expensive one.
Even if you say that you are no expert, you are always able to give a direction. Thank you for that.

Do you have any general idea about the cost of OEM color wheel and warranty length? (I am checking it too). Local service center might arrange Optoma color wheel in $100-120 with 90 days warranty. I can go for it if the issue gets solved for long and if the cost is justified.

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post #4163 of 4170 Old 01-03-2017, 07:23 AM
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Quote:
Originally Posted by wecaz View Post
Even if you say that you are no expert, you are always able to give a direction. Thank you for that.

Do you have any general idea about the cost of OEM color wheel and warranty length? (I am checking it too). Local service center might arrange Optoma color wheel in $100-120 with 90 days warranty. I can go for it if the issue gets solved for long and if the cost is justified.
That sounds about right on the price for the OEM. The real risk is that it doesn't solve the issue and then you have to decide if you want to keep spending money on fixing it. I agree that the cost may be justified if it fixes the issue and keeps it working for a long time. But it also may not solve the issue at all. My lack of confidence means that I would pick the cheapest part and risk that it doesn't stay working for a long time. But that is if it solves the issue at all.
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post #4164 of 4170 Old 01-19-2017, 09:37 PM
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Hi Xenon2000,

Had a question if you don't mind! I see you are really knowledgeable on the Optoma HD20, and was hoping you can provide some insight on a HD20 problem I am having. :-)

I have an Optoma HD20 and upon plugging in the unit to AC Power, The Power LED light is a solid Amber, and if I hit the power button to turn it on, the light will go away only to come back on again to the solid Amber. No other lights light up, it's just the "On/Standby" power light that stays solid after plugging in the power cable. I have no idea if the lamp is bad or if that is what is normally shown when the bulb is bad....Would you happen to know what the issue may be? I have cleaned the projector in hopes that was the issue, but still no luck!

Any help appreciated!

Thanks!

User7007
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post #4165 of 4170 Old 01-23-2017, 06:34 AM
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Quote:
Originally Posted by User7007 View Post
Hi Xenon2000,

Had a question if you don't mind! I see you are really knowledgeable on the Optoma HD20, and was hoping you can provide some insight on a HD20 problem I am having. :-)

I have an Optoma HD20 and upon plugging in the unit to AC Power, The Power LED light is a solid Amber, and if I hit the power button to turn it on, the light will go away only to come back on again to the solid Amber. No other lights light up, it's just the "On/Standby" power light that stays solid after plugging in the power cable. I have no idea if the lamp is bad or if that is what is normally shown when the bulb is bad....Would you happen to know what the issue may be? I have cleaned the projector in hopes that was the issue, but still no luck!

Any help appreciated!

Thanks!

User7007
Sorry, I saw your PM before I saw this. Replied.
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post #4166 of 4170 Old 01-25-2017, 11:12 AM
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I need to find a replacement bulb

Hey everyone I'm new here but I have an hd20 that I have had for a while and believe the bulb is burnt out.. I can check what lights are flashing when I get home. But optoma USA is out of stock and I dont to buy a cheap knock off that will damage my projector.
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post #4167 of 4170 Old 01-28-2017, 07:41 PM
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Anyone have any advice? I saw on bhphotovideo.com says the have them and they are authorized optoma dealers...so of all my choices that is more comforting.
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post #4168 of 4170 Old 03-18-2017, 04:37 PM
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Hi there,

New to here and am wondering if anybody can help.

I have recently acquired an unwanted Optoma HD20 from a friend which had a broken colour wheel. I ordered a new part and proceeded to fit the new colour wheel using one of the many available guides online.

However, when I try to turn the projector on, the powerlight flashes green as it should showing it is warming up, and I hear a very subtle sort of clicking noise. You can also hear the fan working. But then the lamp does not come on? Eventually the lights go to amber on the power light and solid red on the lamp light. I am finding this strange as the friend who gave me the projector said that the bulb is relatively new. Could there be something else other than the bulb that would stop it from coming on?

Does anybody know of any fix that could help here? Any common problems to check for? Or could it genuinely be the bulb?

Any help would be appreciated.

Thanks,

Ben
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post #4169 of 4170 Old 06-04-2017, 09:19 PM
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Back again looking for a new bulb, afraid of getting a fake. My replacement in there now has 3500 hours at low setting, i don't want to push it much farther. I had to buy a housing once since the UV glass was broken and that was expensive. Last time I just got the bulb for $80 and it served me well. Is a fake bulb a problem? What is a good source currently and price for a new bulb? Also, the upper left corner of the screen has a brown tint to it that is getting darker. Is this burnt optics? I would like to use this for one more bulb if I can.

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post #4170 of 4170 Old 06-06-2017, 08:37 AM
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Quote:
Originally Posted by shahram72 View Post
Back again looking for a new bulb, afraid of getting a fake. My replacement in there now has 3500 hours at low setting, i don't want to push it much farther. I had to buy a housing once since the UV glass was broken and that was expensive. Last time I just got the bulb for $80 and it served me well. Is a fake bulb a problem? What is a good source currently and price for a new bulb? Also, the upper left corner of the screen has a brown tint to it that is getting darker. Is this burnt optics? I would like to use this for one more bulb if I can.
Sadly, yes the brown tint that is getting darker is burnt optics. Most likely the front element. Which is usually caused by fake bulbs and mostly when the UV/IR filter is poor or missing. Now that the burning has started, even with a total OEM full bulb and housing replacement, that is likely to keep getting worse as now there is more energy absorption where the burning is. But as you likely need both anyways, you could start with just the new bulb/housing (OEM) and see if it gets worse while you source a new lens. The early HD20 had a glass lens and they later switched to plastic. Not a good move.
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