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Thread: Lilliput 10.4" FA1042 Turns off 5-30 into operation, Overheat?

  1. #1
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    Lilliput 10.4" FA1042 Turns off 5-30 into operation, Overheat?

    Hello,

    I've been searching these forums for a few days trying to see if anybody else has the same problem with their lilliput touchscreen. It's 10.4" model FA1042, about 6 months old. I'm not installing it into a car right now, this is what I am experiencing running it off the wall AC adapter.

    The screen works great, all the touch functions work alright, the colors always look great, etc. The problem happens randomly between 5 and 30 minutes of having the screen on. Suddenly the whole thing will turn off and pushing the power button doesn't do anything to turn it back on. Sometimes it will go pitch black, other times there'll be sort of a milky black screen, like the black color of a DOS prompt without any text or anything. The only solution I have found is to unplug the AC jack from the bottom of the screen and plug it back in. The power button then begins to work again and the screen will turn back on and function perfectly for another 5-30 minutes. I have tried another 12v power adapter and it didn't really change anything.

    I read several topics where people installed fans into the back of the screen because of overheating issues. My question is - does this sound like an overheating issue? The back of the screen doesn't feel very hot to the touch, but I'm not sure what's going on inside the unit. Have other people experienced anything similar, with the screen not turning back on until it's unplugged and re-plugged?

    I don't beleive it's a driver issue because turning the comp on and off doesn't affect the screen; only unplugging the screen will get it back on.

    I will keep searching the forums for something similar but I would really appreciate some insight if you've got it!

    Thanks!
    Mike

  2. #2
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    It's overheating

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    Alright, well I guess I'll go ahead and replace the speaker with a 40mm fan. I can't find a thread that explains where to solder the fan wires to in order to have the fan turn on with the power button. Anybody have an idea? Thanks,

    Mike

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    Anybody else have some input? Does this sound like it's overheating. Sounds like I should install a fan either way... Anybody know off hand where to put the wires?

  5. #5
    Variable Bitrate bambam's Avatar
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    Quote Originally Posted by LiveFromHeaven View Post
    Anybody else have some input? Does this sound like it's overheating. Sounds like I should install a fan either way... Anybody know off hand where to put the wires?
    Glad I found your thread since mine started doing the exact same thing. I can't believe it's over heating on my part because it is totally open with no "back" casing. Mine simply goes out at different intervals. There are times it lasts 15 minutes, other times 1 hr and sometimes (rarely now) all day.

    When it goes out, I don't see a "no video signal" so I am assuming it is power. My current setup is powering the lilliput via my Opus power supply. I have the power going from the opus and the negative on a separate line. I am going to wire the power and ground to a molex connector and in the power line, I am going to put a toggle switch. I'm going to drive around and when it goes out, I'll put a tester on the connection to make sure power is still coming from the Opus. If it is, then I will switch it off and immediately back on to see it that works. If not, I'll turn it off for a few minutes and then power it back on. Hopefully this trial and error process will at least identify the problem area. I'll post what I find...
    "Imagination is more important than knowledge." -AE

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    Hmm.. Yea that sounds a little bit like what mine is doing. Does is turn back on if you unplug it an re-plug it? I don't have mine installed in a car at all - it happens while I'm running it on the AC wall adapter. Let me know if you figure anything out.

  7. #7
    Variable Bitrate bambam's Avatar
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    Quote Originally Posted by LiveFromHeaven View Post
    Hmm.. Yea that sounds a little bit like what mine is doing. Does is turn back on if you unplug it an re-plug it? I don't have mine installed in a car at all - it happens while I'm running it on the AC wall adapter. Let me know if you figure anything out.
    Mine is mounted in my car

    My in-car lilliput thread

    I'll be working on it today and tonight and get back to you on my results. We have a trip planned next week so I want to get this done...
    "Imagination is more important than knowledge." -AE

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    Wow, that's a pretty sick mounting job with the LCD, nice work. Let me know if you figure anything out.

  9. #9
    Variable Bitrate bambam's Avatar
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    Quote Originally Posted by LiveFromHeaven View Post
    Wow, that's a pretty sick mounting job with the LCD, nice work. Let me know if you figure anything out.
    Took me longer than I expected. When I took the console back out, I noticed that some of the velcro holding the daughter borad on came off so the board was loose. I had to make new "clips" to hold them. This time, out of plastic screwed into the housing so it won't happen again. Got it all back together and the frigin' touchscreen was going whacky on me so I took it back apart and found out that I screwed one on too tight and it was causing pressure on the edge of the touchscreen. Loosened 1/2 turn, tested, put back together and all is well.

    I will do a test drive starting tomorrow. I have a fan mounted and a toggle switch. The fan comes on every time the lcd powers on so we'll see and I'll let you know what happens.

    Here are a couple pics of my fan mod. The fan is "suspended" using plastic ties...works great.



    "Imagination is more important than knowledge." -AE

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    Sweet, thanks for the update and the pictures. I've got mine layed out on the floor and just cut a hole for the fan and epoxied it in, now I have to wait overnight for it to dry. When I was taking it apart a 4 pin connector that runs to the small daughter board apparently fell off. I was thinking I would re-attach it and electric tape it together. I turned the monitor on and it still seems to be working correctly. Any idea what that little daughter board controls? I really hope its not something important like the touch screen.

    Hope it works out for you, let me know!

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