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Thread: 2004 Maxima re-work

  1. #1
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    2004 Maxima re-work

    Ok... original thread HERE. I didn't like the carpc screen location in this position for a number of reasons. While it was in perfect reach of fingers while driving, it made using GPS nearly impossible and the glare it caught off the seats and passengers (especially wearing lightly colored clothes) made it worthless.

    So, I decided to switch the screen locations. The Nissan screen I decided to move down and move the carpc screen to the top.

    Here are some of the pictures of the new dash pieces. More to come later after they're installed.

    I used plastic welding to do all this. No glue, fiberglass or bondo (well, I did use the filler to fill in small cracks and stuff). Great how-to in the forums for this. Best method I think...fast, strong, less mess, etc.




    First coat of Primer.


    Got in zone and basically finished it so in-between pictures. Painted, screen installed, and ready to be fitted into the car.


    And the rest of the shots of both of the pieces together finished.






    Next, to install them into the car and take more pics

    More pics
    Pictures of the back of one of the pieces to show the plastic welds.



    First test fit.


    Final result. It's at night with camera flash so the pictures kinda suck. Will take more in the daylight tomorrow.



    Daytime shots. I took 1 sheet of BEFII 90/50 out as I had originally thought the screen was too bright...but I think I may put it back in ) can't make my mind up ...





    ************************************************** ******************
    So I got the itch the other night to further increase the brightness/daytime visibility of my LCD without coughing up the dough for a transflective or LCD unit. So, I had a dead portable DVD player...backlight still worked though. Perfect! gutted it, and salvaged the CCFL from it. Unfortunately I didn't take pics of that part or the CCFL. So a short description will have to suffice. The CCFL salvaged was the same width as the Lilliput LCD backlight, so it was a perfect match. It was a bit bigger than the lilliput LCD though, and only one side (the lilli bends around the corner to cover 2 sides)...so I'd guess it was just just as bright as the lilli CCFL since it was twice as thick in diameter. Luckily the Inverter for it was a seperate piece as well (did get pics of that )

    So what I did was mount the 2nd CCFL on the TOP of the screen (lilli's original mount was on the bottom and side). I had to modify the backlight case in order to fit this monster. Basically shaved down one whole side of it. Mounted the CCFL with the same type of reflective metal clip as lilli uses (also salvaged from the donor carcass), hooked up it's Inverter to the 12v source on the lilli board and ground. mounted everything and re-welded the plastic mounts holding the LCD and controller board (+ extra inverter). Fired it up for a test run and WHOA! Definately saw a difference. Dimmed all the way to zero still leaves the screen not TOO bright for nighttime driving after gamma adjustments. However crank that sucker all the way up and you can definately tell a difference in brightness. Very nice. When I get a chance I'll post some pics of it in direct sunlight and those can be compared to the previous shots. Hopefully there's a very nice difference for next to $0.

    So far the LCD has has the following mods done to it...
    Dual CCFL + Inverters
    ESR film on backlight's lightguide
    2 sheets 3M Vikuiti BEFII 90/50 (at 90 degrees of each other)
    1 sheet 3M Vikuiti DBEFII 0 degree

    Unfortunately during mounting the screen a couple weeks ago (before this mod) the kids caused some havoc in the garage and my screen ended up getting cracked in the upper right corner when a small can was knocked off the shelf. The crack is noticable, but didn't render the LCD useless as it's about a spot the size of a quarter that's blacked out despite the crack running from nearly top to bottom. So I decided to do this mod as a what the heck it's already busted and I'll need a new one anyway kind of deal
    ******************* - Pics of the LCD Backlight Mod - ***********************










    **************************Pics of LCD in Direct Sunlight after mods***************************
    Here's a shot from the driver's perspective


    Here's a close up


    All I can say is that I'm very happy with the results. Don't think it's quite as good as a transflective...but it's damn good for a screen I paid less than $200 for and did a couple hours of mods on.

  2. #2
    Sheepdog rdholtz's Avatar
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    Very nice. What kinds of plastics did you weld?
    .
    If just enough is really good, then too much ought to be perfect.

    2006 Scion xB with in-dash Atom & Lilliput 889GL -- Worklog at http://www.mp3car.com/vbulletin/work...res-links.html
    .

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    All ABS, just different colors. I figured the color wouldn't matter since it's being primed and painted anyway

    I'll post up some more shots this evening of the back sides of them which shows the welds and such.

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    FLAC Machinehead's Avatar
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    It's looking good, can't wait to see it in June.

  5. #5
    Sheepdog rdholtz's Avatar
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    Was this a hot air welder or an iron?
    .
    If just enough is really good, then too much ought to be perfect.

    2006 Scion xB with in-dash Atom & Lilliput 889GL -- Worklog at http://www.mp3car.com/vbulletin/work...res-links.html
    .

  6. #6
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    I used an iron. Never used hot air. All I did was follow the tutorial on these forums, nothing fancy. This was my second fab using the plastic welding method and I find the results more satisfying than epoxy, glue, or fiberglass.

    First post edited with more pics

  7. #7
    Sheepdog rdholtz's Avatar
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    I'm using an iron, too, and this is very encouraging. Thanks for putting it up.
    .
    If just enough is really good, then too much ought to be perfect.

    2006 Scion xB with in-dash Atom & Lilliput 889GL -- Worklog at http://www.mp3car.com/vbulletin/work...res-links.html
    .

  8. #8
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    It works very well. Sets up fast, dries fast and hard, and is strong. When I welded the pieces, I put the pieces together, then melted both sides with the iron, adding more plastic as it melted, and 'mixing' the two sides together. I think some of the more expensive plastic welding equipment (some of the hot air variety with the metal tip) may work a lot better/easier than the iron I had, but I wasn't going to drop some more cash on something when I could just make due with what I had.

  9. #9
    Sheepdog rdholtz's Avatar
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    I invested in the Urethane Supply "Pro" model, and it's been great. It took some getting used to it, and it takes a hellacious fan to clear the smoke from the polyethylene I'm welding. But so far the results look pretty good.

    What primer and paint did you use for finishing?
    .
    If just enough is really good, then too much ought to be perfect.

    2006 Scion xB with in-dash Atom & Lilliput 889GL -- Worklog at http://www.mp3car.com/vbulletin/work...res-links.html
    .

  10. #10
    FLAC Machinehead's Avatar
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    Quote Originally Posted by nst6563 View Post
    I wasn't going to drop some more cash on something when I could just make due with what I had.
    Or go to Slash's house.

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