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Thread: One Y/C SX-8 input black/white

  1. #1
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    Jan 2006
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    Denison, TX
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    48

    One Y/C SX-8 input black/white

    System came up last night for service with Y/C input #2 on the SX-8 in B/W. Didn't have time to troubleshoot much, so moved the camera down to another Y/C input for the night. After servoce I tried it again in #2 - after booting (complete powerdown but did not unplug PC) and it was still in B/W. Will look at it more tonight, but wanted to see if anyone else had seen this kind of problem, and if so what was the fix.

    thanks
    Joel

    System:
    VT[4] (4.6)
    Supermicro - Dual 3.0ghz xeon
    2gb ram
    150gb system SATA
    223gb content SATA
    160gb (4x40) SCSI video array
    VT[3] card SX-8 RS-8
    Nvidia 6600
    Firewire 800

  2. #2
    If you get a B/W input, check these:

    1. Are you set to composite, component or Y/C for that input?
    2. Like you did, try another input.
    3. Try another cable. Sometmes the fragile little pins line up better or worse in another connector.
    4. Hit enter a few times to Take the switcher. See if the color problem stays with that input or if it switches to another input. (bad card or SX-84)

    If none of this helps, or #4 does, call your dealer or our tech support and we will try to sort it out.
    John Perkins
    Software Engineer

    "No, it's my natural color..."

  3. #3
    Registered User
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    Denison, TX
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    Thanks for the suggestions John!

    This was strange, I always take the system down gracefully after each service (this is in a church system), I know I am still evaluating if best to leave this up or not. I leave all my other computers in the department running (5 others). But anyway. It came up just fine, no conflicts other than the one input (setting was still set to Y/C) was in B/W.

    I had time last night to work with it more and this is what I did and the problem was solved.

    Checked all cables (un-plug, plug back in -- video-in and 15pin)
    System power up, check for problem.
    Still there.
    Exit VT
    Reset Config
    Auto Config
    Restart VT

    The problem was gone.

    IF it happens again, I will see if Reset only will solve it.

    Again thanks for the input.
    Joel

  4. #4
    Oh, I forgot a very early step...

    Check the proc amps!

    Glad to hear that you got it fixed,
    John Perkins
    Software Engineer

    "No, it's my natural color..."

  5. #5
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    Jan 2006
    Location
    Denison, TX
    Posts
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    Ohhhhh proc amps!! I will have to remember that one for sure. maybe something got off there. thanks, will pack that one back for safe keeping.

    Joel

  6. #6
    Broadcast Engineer tonsofpcs's Avatar
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    Feb 2003
    Location
    Binghamton, NY
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    213
    Also, I'd like to point out that some S-video 4pin cables are made such that if the cable going to the connector is bent a certain way after one solder blob is disconnected or too close to another, it will work, but if bent another way it won't. I have one cable with one end that just a slight tap fixes it, and another where moving it about 1" to another connector makes it work. If you have a good cable tester, plug the S-video cable in and give it a light tug near each end while testing, make sure it's good.
    tonsofpcs (Eric Adler)
    http://www.videoproductionsupport.com/

    Amiga will last Forever!

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