Damaged miniDV tape: bad lot or bad camera? Recovery?

Discussion in 'Professional Video Production' started by JT, Jun 15, 2004.

  1. JT

    JT Guest

    I shot a couple of rolls of Sony Excellence miniDV tape from a new lot
    I'd just received from B&H, and on playback both showed intermittent
    video breakup (horizontal sections perhaps 1/10th of the screen in
    height, horizontally offset) along with missing audio in those
    sections.

    Visual inspection of a bad section shows, looking at the non-oxide
    side of the tape, a series of pin-point protrusions spaced a few mm
    apart extending in the direction of tape motion. (The tape is indented
    as if pushed by a pin from the inside).

    Did my camera (VX700) suddenly go crazy, or did Sony's tape-making
    machine go haywire? (I've been using the same tape as my "standard"
    for quite some time with no problems.)

    Any suggestions on a house that would take a stab at recovery would be
    appreciated. I'm in Los Angeles.
     
    JT, Jun 15, 2004
    #1
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  2. JT

    Craig Berlin Guest

    Anything can happen...more likely the camera but I recommend the Panasonic
    Master Grade anyway...smaller lots, better quality and QC, fewer problems.

    cb


    << Subject: Damaged miniDV tape: bad lot or bad camera? Recovery?
    From: JT
    Date: Tue, Jun 15, 2004 5:46 PM
    Message-id: <>

    I shot a couple of rolls of Sony Excellence miniDV tape from a new lot
    I'd just received from B&H, and on playback both showed intermittent
    video breakup (horizontal sections perhaps 1/10th of the screen in
    height, horizontally offset) along with missing audio in those
    sections.

    Visual inspection of a bad section shows, looking at the non-oxide
    side of the tape, a series of pin-point protrusions spaced a few mm
    apart extending in the direction of tape motion. (The tape is indented
    as if pushed by a pin from the inside).

    Did my camera (VX700) suddenly go crazy, or did Sony's tape-making
    machine go haywire? (I've been using the same tape as my "standard"
    for quite some time with no problems.)

    Any suggestions on a house that would take a stab at recovery would be
    appreciated. I'm in Los Angeles.

    Craig Berlin
    Pro-Tape.com
    Apple * Avid * Digidesign * Fuji *JVC * Maxell * Panasonic * Pinnacle *
    Sennheiser * Sony * Steinberg
     
    Craig Berlin, Jun 22, 2004
    #2
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  3. That VX700 is almost 10 years old and could be the culprit. Have
    you run any more tapes through it since and had similar problems? I
    just got a bunch of Sony Excellence tapes from B&H and they've run
    perfectly. I'd trust them more than I would those of any other brand.
    As most people have said, it's best not to switch brands due to the
    difference in chemicals used to lubricate the tapes.

    I'd have someone with a different DV recorder try some of those
    tapes and see what happens. Your old camcorder might be ready for a
    full head and tape pathway cleaning, lubrication and adjustment by a
    professional. If any of the tape-drive components get dirty and
    gummed-up, the tracking and synchronization can be thrown off and
    disable the recorder. A camcorder that old is certain to eventually
    have such problems, if it hasn't been serviced.

    Steve McDonald
     
    Steve McDonald, Jun 27, 2004
    #3
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