Question about Zenith B25A02Z TV

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Black rectangle on bottom half of screen

I have a Zenith SEQ stereo television, Model # SMS2518RK, Serial # 481-34251-043, manufactured in June of 1994. Suddenly, a black rectangle appears on the bottom half of the screen afer a few seconds of the t.v. being turned on. The rectangle covers the entire width. It blacks out that part of the screen, but the rest of the image is normal. Could this have to do with the aspect ratio? How do I fix this?
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Captioning on turn off with remote.

Posted on Dec 03, 2008

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The dark rectangle appears because you have the closed captions on and set to TEXT. Closed captions set to CC1 puts the words on the screen and TEXT puts a black box on the screen. Go into the menu, navigate to the page with closed captions and set your captions to OFF.

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Try and turn off the closed captioning. I had the same problem and it turned out that the closed captioning was on t1 instead of OFF. Hope this helps!!!!

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It is your Closed Captioning malfunctioning. You can try and access the menu and turn the CC off but more times than not it is a malfunction that is unfixable.
Please remember to rate this solution.

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The box you're seeing is the "closed caption' box. You need to use the remote and disable CC mode on it, and the box will go away :)

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Black Rectangle appears on bottom half of screen


Go into your setup menu and turn off closed captioning. The box is there for some channels even though no text is being sent. If you need to keep the closed captioning, try selecting a different mode for it.

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this answer has given also to some one had the same problem.
"On your remote should be a button called TV caption or text. Turn off the closed caption as someone hit it and turned it on by accident. If its not on your remote, then it is in the menu." Good Luck
You can also get a user manual at the link below:
http://www.retrevo.com/s/Zenith-C27A24T-TVs-review-manual/id/277ag102/t/1-2/

Jan 20, 2008 | Zenith C27A24T 27" TV

1 Answer

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On your remote should be a button called TV caption or text. Turn off the closed caption as someone hit it and turned it on by accident. If its not on your remote, then it is in the menu. Good Luck Ps Please dont forget to rate this thread.

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your problem is in the horizontal sweep and its called blanking. it happens on mostly zeniths sets as Ive seen it a few times and the only waty to fix it is to replace the entire chassis as there are no parts for zenith available just the module as a complete assy. Basicly, The blanking is suppose to only blank the top and the bottom of the fields of the screen that you don't see but it misfires and causes all sorts of lines, squares, and boxes on the screen. When i first was told of this problem i thought the same exact thing?? About the closed caption but the set came into the shop and didnt do the problem. I thought the customer was seeing things. Then finally on night late I CAME BACK TO THE SHOP TURNED ON THE BENCH AND THERE IT WAS!!! i SAW IT WITH MY OWN EYES!! I replace the Module and all was good. Thge repair was about 175 bucks. Good Luck in your repair. Oh this should not be attemted by a handi person, as there is dangerous high voltage inside these sets.

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