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Thread: Installing bare LCD, Help!

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    Installing bare LCD, Help!

    Hey guys, I can't install my Lilliput into the DIN slots with it in the factory casing.. so I removed it and it fits in so perfectly... however, there are the other controller boards.. WHere am i supposed to locate them.. and keep them from grounding out to anything..? Should I just tape them up to the back of the LCD? What should I do?

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    First - be really careful about the ribbon cable. This is usually one of the main points of failure on the boards. If you don't have to remove it, don't.

    You are right to want to insulate the board. One option is to put it inside a plastic bag but I'm not certain how much heat is generated by one. You might want to bench test that idea and keep a close monitor of the temperature inside the bag with a thermometer. If it gets very hot, turn it off.

    If possible, construct a small plastic box to put the card inside and drill holes in it for ventilation.

    Can you somehow mount the card firmly inside the dash? If so, you can bolt it in and make sure nothing that can short it will touch the card.
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    I was thinking of lining the back of the board with electrical tape and then just fastening the board to the back of the LCD.. or maybe using a piece of plexi to attach to back of LCD and then attach controller board to that..

    I already shocked myself when holding the controller board while testing.. finger touched something and I got a nice little zap.. that I released very quickly.. luckily nothing happened to the screen.

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    Oww! You touched the inverter that drives the CCFL tube. It is kind of like a flourescent bulb and it provides the backlight for your screen. It requires high voltage to light. You gotta be careful of that one.

    I like the plexi idea. That's more substantial than electrical tape.
    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.
    Want to:
    -Find out about the new iBug iPad install?
    -Find out about carPC's in just 5 minutes? View the Car PC 101 video

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    Yea, I'm aware of what a CCFL is.. I use them all the time..

    I guess i will screw some plexi down using the screws that hold the LCD panel to the plastic case.. then the controller board to the plexi..

    There are 2 wires.. very short.. red and white.. that attach from the LCD to the controller board.. is it ok if I extend those wires a couple of inches? I don't know why they made those 2 wires so damn short.. if there is a specific reason or what...

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    DO what I did with my Xenarc... I put the board inside a plastic 'glade' tupperware container. They are very light, and of course non conductive. Make sure you ventilate it well by opening plenty holes.
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    Yea, but like I said.. i have that ribbon cable.. so I'd have to get a longer cable for that plus I'd have to extend those 2 power cables the red and white one that go from board to LCD.. they are very short as is.

    I like the tupperware idea.. but I don't think it'll meet my space saving requirements.. I will try the plexi idea.. should work out fine.

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    Just be careful of those red and white wires that you extend, they are probably the CCFL wires, which means you need to make sure that you use a wire that has thick enough insulation to keep them from shorting out with each other.
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    Don't use Plexi its too hard to work with. Go to a good hobby center and buy various sheets and strips of ABS plastic and some ABS weld. I built up a bad-*** frame for my bare Sharp panel using this technique. I'm going to use the same technique on the back side of the LCD for the controller boards.

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    I have a bit of expirence working with Plexi, plus I have some extra 1/4" plexy here.. I will just use that.. Two screws on each side of the screen hold a bracket in place, one on each side.. that the screen mounts to the front factory plastic.. I am going to take those tiny screws out, and use the longer ones to hold down a sheet of plexi.. then I will be drilling/tapping holes for the controller board to screw to the plexi then.. Pretty simple setup. I'll be using spacers so that the board doesn't flex at all when I screw it down.. and also use felt/rubber washers. I got the screen mounted in today.. I'll put up pics then.

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