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Thread: OEM Nav screen integration

  1. #1
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    OEM Nav screen integration

    Not sure where to post this but I am starting a project in my 2006 Lexus IS350 with OEM Nav. I have found that the touchscreen is nearly impossible to "hack" into and link into a carpc and providing a VGA input is very difficult too. Here is what I plan to do...there is a Nav TV type interface available for the Lexus that has a GVIF connection into the headunit and a composite AND RGB input from other sources. The RGB is mainly for a navigation "box" input but can be used with either a VGA to RGB cable from the Carpc or from a Scan converter.
    Questions:
    1)If I go with a scan converter (ie. Scan do pro) how do I convert the AC power so it will power by USB?
    2)Has anyone used a video interface for a Lexus before and if so, what brand and how did it work?
    3)Has anyone used those glass touchscreens that gsmserver.com sells? I was thinking of insetting my OEM LCD screen a tiny bit and placing this in front of it for the Carpc "mouse"

    Any help would be appreciated!!

  2. #2
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    1. You can use an inverter to supply AC power.
    2. No.
    3. No, but it sounds like a good solution. If your Lexus is not a touchscreen, you can put a touchscreen for the PC over top of it. It may make the screen slightly dimmer.

    You are aware that converting VGA to video will make the text fuzzy, correct? You'll need to use lower resolution and bigger fonts for good results.
    Quote Originally Posted by ghettocruzer View Post
    I was gung ho on building a PC [until] just recently. However, between my new phone having internet and GPS and all...and this kit...Im starting to have trouble justfiying it haha.
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  3. #3
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    Thanks! I am not so worried about the touch panel input or any other peripheral to the CarPC but more so around the video input into OEM Nav screen.
    I have read a lot about Arcade video cards that produce 15hz and about composite vs RGB input and know that the video interface adapter has RGB input (better than composite). I have also read about Scan Do products and how they will enable a variety of resolution and scaling options for many LCD screens. I guess I won't know until I try but trying to avoid buying a bunch of stuff I do not need!!! Again, if anyone has tapped into their OEM screen no matter what car, how did you do it? What is the best way to get the best video resolution (Scan Do??). Thanks!

    Quote Originally Posted by Bugbyte View Post
    1. You can use an inverter to supply AC power.
    2. No.
    3. No, but it sounds like a good solution. If your Lexus is not a touchscreen, you can put a touchscreen for the PC over top of it. It may make the screen slightly dimmer.

    You are aware that converting VGA to video will make the text fuzzy, correct? You'll need to use lower resolution and bigger fonts for good results.

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