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Thread: Scion xB integrated PC

  1. #31
    Newbie SCIONology's Avatar
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    ok, i decided to do some homebrew testing to see how much modification i'll need to do to get the 889gl to fit in my bezel...

    according to the measurements i got from post 27 and 28 it appears that these panels have about a 6mm metal trim around all sides of the viewable area.
    the linitx appears to be a taller panel than the 889gl.
    with rdholtz measurements of 100mm x 178mm viewable, i can assume that the sole panel with metal trim and all should be 112mm x 190, once i take the 889 apart.

    so i made a (yes another) cardboard template:


    when i held it up to my bezel, though it didn't fit right away i knew it was very close.
    i thought what the heck, i'll go ahead and snip these little tabs off:

    (i left the tall part of the 2 long tabs, i just snipped a notch where the screen will go.)

    then i sat the template into the bezel and voila!


    if you look closely from the outside there's no gap, the template when all the way down:


    and a full shot:


    now i do understand that there are still 2 things that could go wrong once i try this will the real screen:
    1, cardboard gives, although it wasn't a tight fit for the template, it might be too snug for the screen.
    2, the screen could actually be bigger than my assumed measurements.

    but as long as it's only a few mm, i'll be ok, because i could dremel/file that much outta the inside of the bezel without any visual side effects to the outside.

    i think the only way i'll know if it's going to fit is to order it and try, i know that if i settle with the 7 inch, i'll never be happy knowing that maybe the 8 inch coulda fit!

    for the gaps you see in the side on the last picture, i'm going to use thin black plasic strips that i'll plastic-weld from the back, there will be no metal lcd frame visible, the top and bottom line up perfectly to the exact point where the viewable area stops (the viewable area might go just past the opening, but i don't mind loosing a couple mm of viewable, as long as i don't see ugly frames :-)

    but if somebody is reading this and thinks, "Hey, I took my 889gl apart to install it, i could get him exact measurements!" i would GREATLY appreciate it!
    Scion xB G2
    Planning: [----------]
    Parts: [----------]
    Install: [----------]

    My Scion PC Project (put on hold until I find a nicer host):
    Worklog

  2. #32
    Newbie SCIONology's Avatar
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    YEAH, i just ordered my 889GL
    Thanks for the discount, i saved $36!
    well, it should come in friday or monday (prob fri) and i'll see how much i'll need to do to get it to fit...
    Scion xB G2
    Planning: [----------]
    Parts: [----------]
    Install: [----------]

    My Scion PC Project (put on hold until I find a nicer host):
    Worklog

  3. #33
    Newbie SCIONology's Avatar
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    ok, with the 889 arriving tomorrow, i will definately want to go ahead and mount it, but i'll be visiting wilmington for christmas (5 hour drive to get there) i don't want to loose my ability to play music.
    so i'll temporarily use my Eeepc laptop hooked up to the screen and run centrafuse demo for my music and nav.
    but since i don't have an amp yet, i wanted to see if i could somehow use my existing radio.
    the first test was to see if i could remove the front cover/display/buttons and still use the radio with the steering wheel controls.
    when you take off the front panel there is a small ribbon cable, i disconnected that cable, turned the car on, and voila the cd in it started playing.
    i could change the volume, track, and source with my swi though i couldn't see what i was doing, i know the radio by feel now.

    then the test was, can i slide the radio back far enough to still have room for the screen in front of it.

    so i left the front panel off, took off the side brackets and i got this:


    you can see i have about 2-3 inches of depth for my screen:


    so for my trip i'm set, i just have to pickup a little power inverter so i'm not using up my laptop battery during the trip, and i'll just plug the audio into my aux-in jack.

    of course this will be replaced, i'll probably get rid of the HU and get a small amp, then build my mini-itx machine soon.

    it would be interesting to find out what kind of data goes through that ribbon cable to the HU's front panel, maybe i could keep the HU and incorporate it into the pc for amp and FM radio.
    Scion xB G2
    Planning: [----------]
    Parts: [----------]
    Install: [----------]

    My Scion PC Project (put on hold until I find a nicer host):
    Worklog

  4. #34
    Newbie SCIONology's Avatar
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    ok, it's a little bigger than i thought, but not bad:
    117mm X 193mm
    the trim around the top of the panel and 1 side is thicker than the rest.
    i'll post pics soon, i wanna go ahead and get this bezel so it'll fit
    Scion xB G2
    Planning: [----------]
    Parts: [----------]
    Install: [----------]

    My Scion PC Project (put on hold until I find a nicer host):
    Worklog

  5. #35
    Newbie SCIONology's Avatar
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    ok here are some pics:

    pretty box


    making sure it works:


    taking it apart, here's the panel:


    here's the controller board:


    doing a test fit, it didn't quite fit right because it was too big:


    ok from this point on i sat in my car, which i have not left all evening :-)

    i decided instead of trying to widdle away the bezel to get the panel to fit, i'll just let the screen set back some (the bezel is tapered, so there's more room to the back)

    to to fill in some gaps, i decided to using some weather stripping i had, smooth rubber, and it actually looks decent, but DEFINITELY not permanent:
    top and bottom filled and mounted in my dash for fit:


    it actually fit perfectly, the thickness of the gasket helped wedge the screen between the dash and bezel, once i snapped it in place.
    the only scary part is that when i remove the bezel, the screen could fall out if your not prepared to hold it in place.

    here's some more gasket added to sides:


    ok here's some more info on how i mounted this.

    i set the radio back as i tested a few posts up, and covered the face with a few strips of gasket, then mounted the controller behind the dash opening and in front of the radio.
    this is basically the only way i can hold it in place now because i still have the radio in it, but i hate it's position because i have to hold the screen and bezel up to it, connect all the wires and ribbons, then put the bezel in place.

    what i'm going to do once i remove the radio is make a metal bracket that holds the controller board AND screen in the dash opening, then the bezel will simply snap over it.

    i like the gasket for the top and bottom because it works well, gives me a tight seal and looks great, but for the sides i have to fabricate some type of plastic trim, because it requires too much of that gasket and thus it looks non-professional.

    My laptop is running fine as a car pc, i just plugged in the screen and plugged audio into my car's aux input jack.

    here's it running:


    ok a couple of questions:

    1, my Eee pc has a intel 945 express, and i can't choose a 800x480 res, so i'm currently running 1024x768, not pretty...
    anybody know an easy way to set a custom resolution other than writing complex data to the registry, or is that the only way?

    2, CF will not build/rebuild my library, everytime i try it crashes.
    also when CF is running it will occasionally black the screen out, and i have to go to standby and wake it back up to get my screen back, it has done this to my lilliput and my built in Eee screen.
    btw i'm running CF 3.0 Demo

    thanks, and any advice on mounting/trimming would be appreciated.
    Scion xB G2
    Planning: [----------]
    Parts: [----------]
    Install: [----------]

    My Scion PC Project (put on hold until I find a nicer host):
    Worklog

  6. #36
    Newbie SCIONology's Avatar
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    alright, i've done some more modification, the rubber trim pieces was too annoying to me for even a temporary solution. plus how the trim was situated, from an angle the side of the screen was blocked because the trim was out further than the panel.

    so i decided since the screen works so well, i wont return it, and i can hack the screen some more.
    so i got thinking:


    well it was wide enough to fill in the gaps, and i'll only need a very thin piece of gasket to go around the edge to make up for the screen sitting deep in the dash.

    so i pulled out my dremel and:


    i cut the bottom off as well, i just forgot to take a pic of the finished product.

    i then filed it down some, put everything in place and:


    looks much better, and the edge of the screen is no longer hidden when viewed at an angle.

    now i just have to find something better to make a gasket from, because i can't get that weather stripping to stay straight to save my life.

    also if anybody was wondering how i have the screen, board, and radio all in place here's a pic:


    jeez i can't wait till i can loose that radio and build a mount :-)

    also, does anybody have some wisdom to share about the questions in my above post?
    Scion xB G2
    Planning: [----------]
    Parts: [----------]
    Install: [----------]

    My Scion PC Project (put on hold until I find a nicer host):
    Worklog

  7. #37
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    Quote Originally Posted by SCIONology View Post
    ok here are some pics:

    1, my Eee pc has a intel 945 express, and i can't choose a 800x480 res, so i'm currently running 1024x768, not pretty...
    anybody know an easy way to set a custom resolution other than writing complex data to the registry, or is that the only way?
    Thats looking like a nice install

    As for this question ... I do remember when I had mine that there were a couple of possible solutions.... Heres some info I have dragged up...

    http://www.entechtaiwan.com/util/ps.shtm

    http://forum.eeeuser.com/viewtopic.php?id=65836

    http://forum.eeeuser.com/viewtopic.php?id=13661

    Hope that helps..

    As for the headunit behind the screen... is there anyway you could extend the wires on the back down to the glove box perhaps? (might need to splice some bullet points and new wire in between...)

    Lucan

  8. #38
    Newbie SCIONology's Avatar
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    thanks for the links lucanuk, i'll give those a shot soon.

    my glove box doesn't really have room for the double-din headunit, and since it's only temporary i don't really want to do too much hacking, it works great for now where it is, and i should be getting my pc and amp sometime in jan.

    i actually found an old gateway low profile desktop i can get for almost nothing, as long as it has usb 2.0 ports, i'll use it's internals for my pc.
    Scion xB G2
    Planning: [----------]
    Parts: [----------]
    Install: [----------]

    My Scion PC Project (put on hold until I find a nicer host):
    Worklog

  9. #39
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    As a fellow xB owner looking to hack up his dash in the name of carputer coolness, I salute you sir. I have been wondering about these slim desktop PC's that you can typically find pretty cheap. As long as you get one with a half decent chipset, you should be OK, right? from the outside, they seem to fit most of the criteria: small form factor, low power consumption, on board video, etc. I personally would be looking to add an audio card to boost the EQ power of my system, as SQ matters more to me than video.

    Subscribed.

  10. #40
    Newbie SCIONology's Avatar
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    speakerboy, thanks. about sound quality you could use a usb or firewire external interface to boost quality, there's typically not much room inside the case for a high end internal card.

    i have a lexicon alpha that i might use for my audio, but it might be a bit overkill :-)

    about actually acquiring a carpc, it's usually better to build than to buy some generic slim pc...or you can check out the custom carputers @ store.mp3car.com

    if you have the 2nd generation xb, as you can see, the 8 inch screen does fit, and i'm happy that i don't have much dead trim space around the screen, a 7 inch is easier to install, but the 889gl is a perfect custom fit (if your looking to get down and dirty by hacking some plastic)
    Scion xB G2
    Planning: [----------]
    Parts: [----------]
    Install: [----------]

    My Scion PC Project (put on hold until I find a nicer host):
    Worklog

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