Question about Panasonic PV-8400 VHS VCR

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Picture blinking on a Sharp Quos HD TV

Sound from the VCR is fine, the picture is clear, but it blinks on and off. Sometimes adjusting the tracking has some effect in keeping the picture on, but not always. Sometimes, if it runs for 10 to 15 minutes it, the blinking slows down and eventually stops, but not always. This happens with commercial pre-recorded tapes and with taped programs from the cable. All connections are proper according to instructions.
Is this just an incompatibility problem between old and new technologies?

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  • 3 more comments 
  • PSST Feb 20, 2008

    The VCR is in a cabinet below the TV unit; a distance of approx 24". I don't think the proximity is the issue, but it's hard to tell, the wires don't let me get it too much farther away.

  • PSST Feb 20, 2008

    Thanks for trying to help. I moved the VCR about 4 feet away, stretching the cables as far as they'd go, but it didn't have an effect.

  • ask3538 May 27, 2008

    I have the same problem like yours. My TV is Sharp Aquos 37" and the VCR is also Sharp. It worked ok with my analog tube tv but it gets blinking problem like yours with my Aquos. I have triwd some tapes. It was always ok for the first 5 to 10 minutes only.

  • dlvinet Jul 13, 2008

    I have the same problem with my new Toshiba DVD Recorder combo. DVD's work but the vhs blinks during play. Has anyone resolved this problem? Have tried moving the Recorder away from the Sharp Aquos (3 ft) but it still does it. Does not do this with my regular RCA tv. Help.

  • ask3538 Dec 27, 2008

    Thanks to the response from paseeger.
    My VCR has no manual tracking control device. I returned the Sharp Aquos and got a Vizio for replcement. The problem that I had, does not happen with the Vizio.

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MAYBE, and SOMETIMES -- blinking seems to depend with extreme sensitivity on the "Tracking" control on the VCR. We have found some tapes that can be brought into good synchronization - although there may still be some flicker in part of the screen. Other tapes, on the other hand, never did work anywhere in the range of the tracking control. Perhaps newer tapes behave better?

Posted on Dec 26, 2008

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Is the VCR sitting on top of your TV? This has caused problems in the past...accordianman

Posted on Feb 19, 2008

  • Michael Borelli Feb 20, 2008

    See if moving the VCR helps. Sometimes the power supply on the TV will cause a "servo loss" on VCRs...accordianman

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