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DIY : 100" LCD Projector with touchscreen functionality
DIY : 100" LCD Projector with touchscreen functionality
Your own 8k mini hometheater
Date: 21-04-09
Topic: Tutorials and Guides
Author: ..

Pros:
+ low cost 8k vs 100k for a conventional proj + low maintenance cost + higher resolution upto HDTV

Cons:
- heat - bulky
Index
Working 
Things needed



Things needed

15 Inch LCD panel (Max. Res. 1024x768.) I have used a Samsung 510N 15 lcd. Easy to strip. Got it 2nd for 2.5k

Fresnel Lenses (216mm and 343mm FL, split or unsplit) and a Triplet Lens (315mm FL) from Lensel Optics. Rs.2200/-

400w Metal Halide Lamp with Ballast and Mounting Base. Rs.1500/-. I got Halonix lamp with Marshall ballast and suitable base. Preferably get an Osram as they are better quality ones. However i got 1yr warranty on lamp and 1.5yrs on the ballast and Osram wasn't available. You can use a 250w lamp as well. I chose 400w one for maximum brightness(this produces much of heat and so cooling system needs to be quite effective.)

Timber. MDF sheets at around 750-800 per sheet. Wood is best for making the enclosure for this project.

Aluminum sheet as a reflector, 3 x 220v ac fans, wires etc.

Screws, Nails, Fevicol, Tape, Black Paint, crape paper, aluminum strips, wires etc.

Drill Machine, bits, pliers etc.
Screwdrivers, Cutters etc.


Total Cost till now: Around 8k. Can be made more cheaper if used components are utilized.

Time needed : Within 3days or a week if all components are readily available.


Note : First source the LCD panel as its very difficult to get one nowadays and 15 new ones cost 5k odd.




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  #1  
By vijayninel 12-05-09
Re: DIY : 100" LCD Projector with touchscreen functionality

Ah nice So you dont have to go to the cinema now
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  #2  
By stonedsurd 12-05-09
Re: DIY : 100" LCD Projector with touchscreen functionality

Really nice article mate!
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  #3  
By ɱɑɖɖʏ 12-05-09
Re: DIY : 100" LCD Projector with touchscreen functionality

Awesome article mate
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  #4  
By Free Radical 12-05-09
Re: DIY : 100" LCD Projector with touchscreen functionality

Nice article. i have read about this on diyaudio and other forums. did you build one ?
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  #5  
By vasishta.sushant 12-05-09
Re: DIY : 100" LCD Projector with touchscreen functionality

Can you post the actual porjection pics ? Sounds interesting.
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  #6  
By JD666 12-05-09
Re: DIY : 100" LCD Projector with touchscreen functionality

Great stuff there dude!!!! infact if you could add fins to the aluminium reflector, it will aid the cooling of the enclosure.

Also, whats your take on putting a LCD above the normal slide projector and using that for projection?? dont have to mess around with the whole lens and distance issue??? just change the lamp to a white colored one, and give it adequate cooling???
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  #7  
By wingzero 12-05-09
Re: DIY : 100" LCD Projector with touchscreen functionality

Originally Posted by JD666 View Post
Great stuff there dude!!!! infact if you could add fins to the aluminium reflector, it will aid the cooling of the enclosure.

Also, whats your take on putting a LCD above the normal slide projector and using that for projection?? dont have to mess around with the whole lens and distance issue??? just change the lamp to a white colored one, and give it adequate cooling???
If u can manage to get a normal OHP and mod it its very much possible but u need to source same. Another thing is the cooling should be very much optimized if you are getting an OHP and the i doubt you can use the 400w in that one cause the lamp itself is quite large and everything the lens center, triplet center, lcd center and lamp arc should be in one axis.
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  #8  
By wingzero 12-05-09
Re: DIY : 100" LCD Projector with touchscreen functionality

Originally Posted by vasishta.sushant View Post
Can you post the actual porjection pics ? Sounds interesting.
Didn't quite get you?...these are the projected pics only
DIY : 100" LCD Projector with touchscreen functionality - Erodov
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  #9  
By vasishta.sushant 12-05-09
Re: DIY : 100" LCD Projector with touchscreen functionality

Originally Posted by wingzero View Post
Didn't quite get you?...these are the projected pics only
DIY : 100" LCD Projector with touchscreen functionality - Erodov
I meant to say, how is the final output. That 100" thing, I want to see the output of this thing.
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  #10  
By wingzero 12-05-09
Re: DIY : 100" LCD Projector with touchscreen functionality

@Freeradical : Yup made one...check pics, also the touchscreen is fully funcitonal but some probs in vista i can't utilize my bluetooth dongle, however on lappies it aint a prob.

@Others thanx
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  #11  
By Free Radical 13-05-09
Re: DIY : 100" LCD Projector with touchscreen functionality

gr8 megareps for you.
no thanks for me? ?
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  #12  
By JD666 13-05-09
Re: DIY : 100" LCD Projector with touchscreen functionality

LCD Overhead Projector

this was what i had in mind.. your idea is surely more accurate and crisper in the picture reproduction, i am sure, and it would be brighter as well.. Just thinking about this, coz i have a giant wall waiting in the hall.. maybe use it for movie screening!!!!
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  #13  
By overkill 13-05-09
Re: DIY : 100" LCD Projector with touchscreen functionality

Wow dude! Way to go. This is just brilliant.. Someday when i have enough time and money I will be doing this too.
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  #14  
By Punnyabrata 13-05-09
Re: DIY : 100" LCD Projector with touchscreen functionality

wow dude...you surely deserved to win the [E] article contest.
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Tags
diy 100, diy 100, functionality, lcd, projector, touchscreen

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