Page 1 of 2 12 LastLast
Results 1 to 10 of 15

Thread: lilliput 629 Touch. flickering problem

  1. #1
    Newbie
    Join Date
    Oct 2007
    Location
    NY
    Posts
    42

    lilliput 629 Touch. flickering problem

    hey guys, sometime when i touch the screen, the screen flickers off and stays off for like 1-2 seconds but comes back on and sometimes it'll keep flickering and sometimes it wont. anyone know whats causing this? thanks.

  2. #2
    FLAC WuNgUn's Avatar
    Join Date
    Sep 2007
    Posts
    1,351
    Quote Originally Posted by LiCelsior View Post
    hey guys, sometime when i touch the screen, the screen flickers off and stays off for like 1-2 seconds but comes back on and sometimes it'll keep flickering and sometimes it wont. anyone know whats causing this? thanks.
    Do you see the video input OSD, i.e. Video or PC when it comes back?
    Could be a power issue.

  3. #3
    Newbie
    Join Date
    Oct 2007
    Location
    NY
    Posts
    42
    nope it just goes off then back on. all the connections are good though. forgot to add, touchscreen still works when it goes off.

  4. #4
    FLAC WuNgUn's Avatar
    Join Date
    Sep 2007
    Posts
    1,351
    Quote Originally Posted by LiCelsior View Post
    nope it just goes off then back on. all the connections are good though. forgot to add, touchscreen still works when it goes off.
    Did you have it apart? Or is it still complete?
    Could be just the back lighting going out...

  5. #5
    Newbie
    Join Date
    Oct 2007
    Location
    NY
    Posts
    42
    yea i took out the shell and its just the board behind the lcd.

  6. #6
    FLAC WuNgUn's Avatar
    Join Date
    Sep 2007
    Posts
    1,351
    Quote Originally Posted by LiCelsior View Post
    yea i took out the shell and its just the board behind the lcd.
    Is the LCD sitting on top of the board? i.e. when you touch the screen, is it pressing against the board?
    Sounds like your shorting something out when you press it. Make sure the board is secured to the back and do NOT lay it down on it's back.

  7. #7
    Newbie
    Join Date
    Oct 2007
    Location
    NY
    Posts
    42
    lcd is in the car facing the backseats (obviously lol) and the board is vertically behind it.

    board--->| []<---screen

  8. #8
    FLAC WuNgUn's Avatar
    Join Date
    Sep 2007
    Posts
    1,351
    Gotta be the backlighting...
    Probably a high-voltage inverter on there powering it, and it's getting shorted out.
    They take a second or two to power up, so it sounds like this is your issue.

  9. #9
    Newbie
    Join Date
    Oct 2007
    Location
    NY
    Posts
    42
    so how do u fix it?

  10. #10
    FLAC WuNgUn's Avatar
    Join Date
    Sep 2007
    Posts
    1,351
    Quote Originally Posted by LiCelsior View Post
    so how do u fix it?
    Look for something touching something that isn't s'pose to be touched!
    lol

    You'll see a transformer with a high-voltage warning sticker on it...
    I'd re-seat the PCB board with double sided tape...all 4 corners. Lift it up, off the screen.

Page 1 of 2 12 LastLast

Similar Threads

  1. Replies: 8
    Last Post: 07-15-2009, 01:57 PM
  2. Lilliput 629 input problem
    By mjo151 in forum Input Devices
    Replies: 1
    Last Post: 09-12-2008, 08:59 PM
  3. Beware of Lilliput Touch Screens!!
    By flibble in forum LCD/Display
    Replies: 8
    Last Post: 09-14-2007, 05:44 AM
  4. lilliput 619 is reflective, 629 has antiglare?
    By kbyrd in forum LCD/Display
    Replies: 16
    Last Post: 06-23-2006, 07:44 AM
  5. Flickering in Lilliput
    By phatchink in forum LCD/Display
    Replies: 2
    Last Post: 07-30-2005, 04:34 AM

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •