Results 1 to 8 of 8

Thread: Circuit that converts Hsync and Vsync into Csync

  1. #1
    Newbie [TWSTED]'s Avatar
    Join Date
    Sep 2003
    Posts
    29

    This might be in the Wrong Forum.

    Can someone help me.

    Ive read that Jeff is an Electronics Expert SO im posting it here.

    Ive got a LCD Hooked up with RGB but i cannot get the Sync right.

    I need to have a CSync input but i only have VSync and HSync. I need a Circuit that converts Hsync and Vsync into Csync without using the Green.

    Nathan

  2. #2
    jol
    jol is offline
    FLAC jol's Avatar
    Join Date
    Jan 2002
    Location
    Mellansel, Sweden
    Posts
    1,299
    1. lcd post in lcd section, now that is not hard to get huh?
    2. SEARCH
    3. read rules again
    4. http://www.hut.fi/Misc/Electronics/c.../vga2rgbs.html

  3. #3
    FLAC
    Join Date
    Aug 1999
    Location
    Washington D.C.
    Posts
    1,543
    5. Descriptive title (I changed yours.)

  4. #4
    Variable Bitrate
    Join Date
    Mar 2002
    Posts
    413
    TWSTED, are you running the software to get the sync down? This is required, as most RGB monitors will not take normal VGA (so you aren't going to see the BIOS screen)

    The circuit to make H and V sync be C Sync is just a XOR gate.

  5. #5
    Newbie [TWSTED]'s Avatar
    Join Date
    Sep 2003
    Posts
    29
    I got my LCD WOrking. Its just that the Colours are all over the place, The screen is mainly green

  6. #6
    Maximum Bitrate starfox's Avatar
    Join Date
    May 2002
    Location
    Australia
    Posts
    451
    Mostly green? check your solder joints for shorts.

  7. #7
    Newbie [TWSTED]'s Avatar
    Join Date
    Sep 2003
    Posts
    29
    Okay. My Video card just ****ed up, Its permanetly green in several computers. Hmm. I might redo all my Soldering again.

    How would I ground green if there is no Green Ground cable?

  8. #8
    Variable Bitrate
    Join Date
    Mar 2002
    Posts
    413
    How would I ground green if there is no Green Ground cable?
    To regular ground.

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
  •