Question about Projection Televisions

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I PURCHSAED A 4-TO-1 A/V SWITCH CPNT410IR. ALL I GOT WAS A ROLLING PICTURE ON ALL THE TV'S I TRIED IT ON. I RETURNED THE UNIT AND THE COMPANY SENT ME ANOTHER. THE TROUBLE IS THIS NEW UNIT IS DOING THE SAME THING. A ROLLING OICTURE. DOES ANY ONE HAVE A SOLUTION?

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  • Master
  • 6,966 Answers

Hi,

It could either be:
1. loose or no grounding (least likely);
2. under powered (adapter should output 9VDC) (most likely).

Pls check/replace your RCA - video/audio cables or
verify that the AC power adapter is either auto-volts or set to your regions mains voltage (110 or 220 region specific).

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards.

Thank you for using FixYa.

Posted on Jul 09, 2008

  • Louie  Role
    Louie Role Jul 09, 2008

    Or to check compatibility, try first with a standard RCA analog source.

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  • Master
  • 624 Answers

Check the setting on the TV and make sure you are not in the "progreesive scan" mode while using an interlaced signal. It can cause a distorted picture. Also, this switching unit is a component video switcher, it is high def and probably progressive scan signals, this is the likely cause of the rolling picture. See if the switching unit has a setting for progreesive scan and interlaced. One of the units, either the TV or the switching box is not set right.

Let me know if this helps, and do not rate it until there has been an opportunity to follow up. Thanks,
Dave

Posted on Jul 09, 2008

  • Dave DeGain
    Dave DeGain Jul 09, 2008

    It is also possible that the video devices that are input to the switching box are set for progressive scan and the TV is set up for interlaced.

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