Question about Zenith B27A11Z 27" TV

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Video noise at bottom of screen

This is an older tv by zenith, 1989. It works well and has a nice picture. However, when I play a vhs tape I notice a small amount of video noise across the bottom of the screen. I hooked up the vcr to another tv and I don't see the problem. Also, this only happens when watching a tape, not tv programming. Any ideas? Thank you.

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  • marcus58 Jan 28, 2008

    I tried the tracking adjustment. No help. Also, I thried a head cleaning. No help. The VCR is connected through the RCA inputs.

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  • 139 Answers

Try adjusting the tracking on your VCR. This symptom would typically be caused by a slight tracking error in your VCR or video heads that need to be cleaned. Your Zenith TV may be a little more sensitive to video synchronization problems than your other TV is.

If VCR tracking adjustments have no effect on the symptom, then the problem could be in the TV, but I'll need more details to assist you with troubleshooting. For example, how do you connect the VCR to the TV?

Posted on Jan 27, 2008

  • networkmagic Jan 29, 2008

    As you originally suspected, this appears to be a problem with the TV....related to the video (RCA) input...probably in the input selection circuitry or first video amplifier stage. You'll need the services of a qualified TV repair technician to isolate the exact cause and replace the defective parts.

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