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Help with interfacing LCD...

 
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Stormthereaper
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Joined: 09 Nov 2008
Posts: 9
Location: Texas
PostPosted: Sat Feb 07, 2009 6:59 pm    Post subject: Help with interfacing LCD... Reply with quote
its an LG LB070W02 heres the PDF:

http://www.beyondinfinite.com/lcd/Library/LG-Philips/LB070W02-A5.pdf

so my question is how would you guys describe to a absolute noob(aka me) where the heck to start? My ultimate goal is to make a photo viewer, and i am going to use a scandisk photoviewer off of ebay for cheap and it takes a standard component cable connection....so basically all i need to do is figure out how to design prototype my own circuit for turning this LCD into a screen that has a video component in...

thanks,
storm
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Alan
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Joined: 29 Jan 2006
Posts: 1399
Location: Winnipeg, MB
PostPosted: Tue Feb 10, 2009 2:00 am    Post subject: Re: Help with interfacing LCD... Reply with quote
Stormthereaper wrote:
its an LG LB070W02 heres the PDF:

http://www.beyondinfinite.com/lcd/Library/LG-Philips/LB070W02-A5.pdf

so my question is how would you guys describe to a absolute noob(aka me) where the heck to start? My ultimate goal is to make a photo viewer, and i am going to use a scandisk photoviewer off of ebay for cheap and it takes a standard component cable connection....so basically all i need to do is figure out how to design prototype my own circuit for turning this LCD into a screen that has a video component in...

thanks,
storm


It says that it has analog in, looks like VGA. All you will need to do is make or buy a composite to VGA converter.
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Stormthereaper
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Joined: 09 Nov 2008
Posts: 9
Location: Texas
PostPosted: Tue Feb 10, 2009 9:23 pm    Post subject: Reply with quote
hey thanx man for the reply, ok so i need to either make or buy one...making one, just seems funner(is that a word?).... so how do i go about finding out what chip i could use for controlling? i found the PIC 24FJ64GA002 from:

http://hackaday.com/2009/01/08/how-to-digital-picture-frame-100-diy/

but it seems that he used it for a 12bit display and my display is a 24bit... is it necessary to have a ore powerfull PIC? should i just google a component to vga converter? this lcd has a ribbon cable connector so i need to prob design/build my own circuit...what do you think?
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Alan
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Joined: 29 Jan 2006
Posts: 1399
Location: Winnipeg, MB
PostPosted: Tue Feb 10, 2009 9:44 pm    Post subject: Reply with quote
Does this panel not have a VGA header? If it doesn't hopefully you can figure out what ribbon cable wires are needed for VGA.

That Hackaday article shows a serial digital display so that won't be much use. I can find lots of commercial products that go from composite to VGA but I haven't found any schematics so you can DIY.
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Stormthereaper
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Joined: 09 Nov 2008
Posts: 9
Location: Texas
PostPosted: Tue Feb 10, 2009 10:00 pm    Post subject: Reply with quote
no this thing, unfortunately does not have a VGA header, and its a display i got out of a Portable DVD player.... so.... i mean i still have the dvd player and everything so i can harvest the power supply thing for the backlight which shouldnt really be aproblem... but i dont know how to convert it from the ribbon to the VGA...if that will work.... could it really be that simple? have you ever heard of anything like this?

BTW it says you are the site admin, does htis mean you are the one running the forums or the whole site?

thanks,
storm
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Alan
Site Admin


Joined: 29 Jan 2006
Posts: 1399
Location: Winnipeg, MB
PostPosted: Tue Feb 10, 2009 11:11 pm    Post subject: Reply with quote
Stormthereaper wrote:
no this thing, unfortunately does not have a VGA header, and its a display i got out of a Portable DVD player.... so.... i mean i still have the dvd player and everything so i can harvest the power supply thing for the backlight which shouldnt really be aproblem... but i dont know how to convert it from the ribbon to the VGA...if that will work.... could it really be that simple? have you ever heard of anything like this?

BTW it says you are the site admin, does htis mean you are the one running the forums or the whole site?

thanks,
storm


I was thinking computer monitor LCD, if it's from a DVD player it may have a simple way to get composite in. Unfortunately I am not sure what that would be...

Yes, I run the entire site.
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Stormthereaper
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Joined: 09 Nov 2008
Posts: 9
Location: Texas
PostPosted: Wed Feb 11, 2009 9:09 pm    Post subject: Reply with quote
nice, well do you happen to know where or how i might be able to find out...cause im kinda a noob when it comes to this kind of stuff. lol.or should i just experiment?
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