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RoadTest Forum Converting a Sharp LQ064A5CG01 TFT-LCD to a standard 15 pin vga plug
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Converting a Sharp LQ064A5CG01 TFT-LCD to a standard 15 pin vga plug

Former Member
Former Member over 12 years ago

I have an old TFT-LCD out of a vehicle.  I want to use it to make a dedicated music player.  The problem is I cant figure out how to convert the 10 pin connection to the 15 pin vga. 

 

I got the backlight to come on, but that's all.

 

I attached the pdf manual for your convience.

 

Thanks for any help

Attachments:
imageLQ064A5CG01 SHARP.pdf
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  • Former Member
    Former Member over 12 years ago +1
    As already stated, you can't directly connect VGA to Composite, you would require a converter for that. The monitor can't do this itself because it was designed for Composite input, not VGA and they are…
  • jds123
    0 jds123 over 12 years ago

    VGA is not directly comatable with TFT LCDs, in order to do this you would need a controller for the specific LCD to convert it to VGA. You would be better off getting a small composite screen such as this one http://www.amazon.com/3-5-Inch-TFT-Monitor-Automobile/dp/B0045IIZKU/ref=sr_1_9?s=electronics&ie=UTF8&qid=1370103825&sr=1-9&keywords=rearview+monitor and a converter like this http://www.amazon.com/Brainydeal-S-video-Computer-Converter-Adapters/dp/B003VJF688/ref=sr_1_2?s=electronics&ie=UTF8&qid=1370103879&sr=1-2&keywords=composite+to+vga.

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  • Former Member
    0 Former Member over 12 years ago in reply to jds123

    I think it already has that.  It was in a vehicle av system and played played DVD.  image

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  • jds123
    0 jds123 over 12 years ago in reply to Former Member

    can you upload a picture of where the dvd player plugged in?

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  • Former Member
    0 Former Member over 12 years ago in reply to jds123

    image

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  • Former Member
    0 Former Member over 12 years ago

    as you can see from the diagram, pin 6 handles the composite video signal....  How does it do this with only 1 wire?   I tried to connect this one wire to rgb on the vga- nothing... tried separately- pin 6 to rgb red, green, blue, and nothing.  ( note: i am using a vga cable with one end cut off to wire to the 10 pin (8 wire) connector.image

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  • jds123
    0 jds123 over 12 years ago in reply to Former Member

    pin 6 and 7 are composite positive and ground, the rest are power and brightness control. if you can take pin 6 and 7 and isolate the wires you can get the standard component connection. Component is the kind used in old tvs. ground(pin 7) goes on the outside  part of the composite plug and pin 6 would connect to the center. you can verify this works by taking the connections for pin 6 and 7 and connecting them to another device.

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  • Former Member
    0 Former Member over 12 years ago

    As already stated, you can't directly connect VGA to Composite, you would require a converter for that.

    The monitor can't do this itself because it was designed for Composite input, not VGA and they are completely different - eg. The RGB lines don't carry seperate "Layers" of each color (Like I once thought image) and there are also the "SYNC" connectios too.

    Based upon the monitor you are using, my recommendation is to use a "VGA to Video Converter" as this will allow you to plug your VGA in and output Composite video.

    You would then connect it as described in the post above.

     

    Hope this helps! image

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