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Lumenlab > Audio Video Sciences > Projector Builder > Completed Projects
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benchun
Hello Lumenlab community

Some update and new result linked, if you already seen my forum before, jump here. Upgrade image quality

I am new in Projector but used to be computer mod guy. Also my technical background built in aviation field because I've been flight instructor for several years. I know little bit about aerodynamic stuff that make it cool temp or so.

It was a very interesting challenge, and this home made projector became a yellow treasure just jumped in my life path.

you can see the picture below that show most of setting the screen, projector position and size. Projector itself not polished yet but let's share the some ideas here.

>Samsung 152N 15 inch monitor => may be little slow respond time but not that much noticceable (I am super sensitive), good picture quality.

>Lens kit from lumenlab

>Screen (black out) from Lumnlab

>light and ballasted from 1000bulbs.com => got a ballast which is very heavy one chosen by my misjudgment but works.

> For the entertainment => I hook up the computer for all the playing DVD, VCR, and TV through WinTV PVR150. Altec 5.1 dell oem speakers.

>Software => I installed every possible codec for video and audio, and using Zoom player which is good one.
benchun
First scene is my computer desk top screen
benchun
Ok, I will put some of screen shot first and state more discussion subject..
benchun
Riddik Movie
benchun
Thank god, my apartment got large space. That makes possible to stand large screen on side. It's about 10 to 11 feet from screen to projector.
benchun
Yellow and red are most bright and strong color for my projector after control the color adjustment several times. Blue is still beauty but not as yellow or red.
benchun
Nemo~~
benchun
Nemo 2
benchun
Starwars shot
benchun
Starwars2
forkev
the whole setup is very clean, and those are some fantastic screen shots.
well done.
benchun
Rally Game screen shot 1, Full Screen, It is really fun to play in Big Screen with dolby sound. This is game option screen to set up the car.
twallclimber
very nice.. double thumbs ups.
benchun
Driving Boong~~
benchun
5th elements, of course very unique color driven, fun to watch, many guys here compare the same shot.
benchun
Second shot
benchun
Lord of Ring, Angry face one
benchun
Peace
benchun
"Arena wars" Game Screen shot
I am not really game boy but full screen playing make me exciting,,
benchun
Doom Doom Doom
Kinda of dark,, of course it's dark game..
benchun
Hero Movie Screen Shot,

Well, "75mhz refresh rate" of LCD monitor usually give us more quality but It make a blinking problem. If somebody has some nice solution or setting for getting better quality, Please let us know.
benchun
Nemo full screen
benchun
These drawings.are used for this project. I did hundreds of corrections and researching to make it better. However, I like to say "Just do start it" and make correction during the work. Of course you need time for preparation before go through but do not wait for long time. It's worthy enough to start work now ^__^.

I have some idea of setting computer but not in wood work. Threrefore; the projector is not that pretty but image.

Please Do not follow or copy my drawings, there are some mistaken in measurment. Just use for references..
benchun
Wires.. Very simple

I use "230W AT computer power supply" for cooling fans with switch.

I didn't even completely strip off LCD monitor, just half of them and attached power and control unit still in monitor case. And I put that part body under the projetor case, not in it. I will take some picutre later to post it.
japlasma
Excellent!!! Haven't seen one that good in a long time.
Give yourself a pat on the back for a job well done.
benchun
Hero 2
benchun
Spiderman1, this shot is without color adjustment, original red.
benchun
Thanks japlasma, forkev, twallclimber and persons who gave me good ideas in Lumenlab forum.
benchun
Yoda, Blue
WaterFowl
ohmy.gif Wow! Awesome!
benchun
Seafood Special
Fadeyi
Wow,
Awesome shots. really great.
FrostKaiser
Stunning.

Really very nice work.
matropolis
Great setup, awesome results.
crimp1
Very, Very Impressive. You did an excellent job. I copied ( I hope you don't mind) some of your pics and sent them to my brothers, I'm trying to get them in on this excellent site and community.

QUOTE
I didn't even completely strip off LCD monitor, just half of them


What do you mean? You didn't strip it all the way down to just the LCD? I would like to see some pictures of how you did it, when you get the time.
minoten
Hands down the best pictures I've seen of a 15" PJ
What camera did you use and what settings did you set on the camera?
Im still staring at those pictures and I can't believe its just XGA resolution!
benchun
QUOTE (crimp1 @ Mar 9 2005, 09:32 PM)
Very, Very Impressive. You did an excellent job. I copied ( I hope you don't mind) some of your pics and sent them to my brothers, I'm trying to get them in on this excellent site and community.

QUOTE
I didn't even completely strip off LCD monitor, just half of them


What do you mean? You didn't strip it all the way down to just the LCD? I would like to see some pictures of how you did it, when you get the time.

Hello, crimp1

I don't mind at all to take my images for your purposes. and thanks for your reply.

I am attaching pictures that show and explain what I meant. Inside of my projector is pretty clean because half part of lcd fixed under the case (third picture). So that's what I mean. Sorry for confusion. I was trying to build more effectively way for cooling air circulation.

I hope it helping your understanding.

Thanks
benchun
QUOTE (minoten @ Mar 9 2005, 10:04 PM)
Hands down the best pictures I've seen of a 15" PJ
What camera did you use and what settings did you set on the camera?
Im still staring at those pictures and I can't believe its just XGA resolution!

Hello minoten

Thanks for your reply. Well, my camera is 4 to 5 years old, olympus 3 mega pixles. Not that great one and I didn't do any special setting to take these project images. All what I did is set on the "P" mode and took pictures. Try not to move 4 to 5 second while you're taking night shots holding shutter. Putting camera on the chair or tripod will help more fixation.
hope it will help.
blake
Simply AMAZING! ohmy.gif
blake
PLEASE PLEASE PLEASE post more star wars screens! biggrin.gif
Lumenman
Beautiful results! smile.gif What is the movie in the 3rd post? It looks like somthing I'd like to watch! Are you using a split fresnal design?
benchun
QUOTE (blake @ Mar 10 2005, 02:49 AM)
PLEASE PLEASE PLEASE post more star wars screens! biggrin.gif

Here we go, blake
I will take some nice shot later, these are all I have right now..
Please enjoy with it
benchun
Another Starwars
benchun
QUOTE (Lumenman @ Mar 10 2005, 07:06 AM)
Beautiful results!  smile.gif What is the movie in the 3rd post? It looks like somthing I'd like to watch! Are you using a split fresnal design?

Thanks Lumenman, That was a scene of Starwars, more specifically the scene of fighting each troops on the field. That missle cannon is enemy's one.

And I am afraid not understanding your second question, can you please say again?

Thanks
gcarter
What HTPC setup are you using? Results are amazing.
forkev
QUOTE (benchun @ Mar 9 2005, 11:36 AM)
Thanks japlasma, forkev, twallclimber and persons who gave me good ideas in Lumenlab forum.

i give credit where credit is due. you've some OUTSTANDING pics. you've clearly thought through your design AND kept it simple.
FrostKaiser
Yes, to anyone who doubts the quality of DIY and LumenLab, I challenge you to come here, and look at benchun's PJ!
crimp1
QUOTE
Beautiful results!  What is the movie in the 3rd post? It looks like somthing I'd like to watch! Are you using a split fresnal design?


He was asking if you have one fresnal behind the LCD, and one fresnal in front of the LCD, or if you put both fresnals together, and put them behind the LCD...I'd like to know too...
benchun
QUOTE (gcarter @ Mar 10 2005, 09:52 AM)
What HTPC setup are you using? Results are amazing.

hello, carter

My computer spec is also not that great one. However, I've been doing computer job for 12 years in part time so I knew little bit about how to setup well.

--> 2.8 AMD athlon CPU, 333mhz
--> Nforce 2 chipset ASUS mother board
--> 512 mb rem memory
--> 128mb Gforce MX400 Video Card
--> 160 GB (80gb+80gb Raid) Hard disk drive
--> Hauppauge WinTv PVR1500 TV card
--> LG DVD + Pioneer DVD RW
--> Sound blaster Audigy 2 OEM version.

Very good power supply and fans. Using 15 ft VGA cable, Lots of Video/ Audio codecs installed.
Yep that's it.

After all the basic hardware settings, I spent lots of times to adjust color through video card setup, DVD player setup, and codec software setup. That is truly necessary time.

Thanks
benchun
QUOTE (FrostKaiser @ Mar 10 2005, 10:34 AM)
Yes, to anyone who doubts the quality of DIY and LumenLab, I challenge you to come here, and look at benchun's PJ!

Thanks FrostKaiser.

I hope meny electronic guys, A/V geeks or any person interest this kind of job will enjoy the time of valuable challenges.
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