Question about Zenith B27A11Z 27" TV

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Picture but no sound

My son's Zenith 27" B25A24Z was working fine until last night when the sound was no more. The picture on all channels are good, channels change fine, but just no sound. Any help or suggestions that you may be able to give would be greatly appreciated.

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  • eokusky Dec 15, 2008

    I had already tried that but the situation remained the same. Thank you for your efforts :)

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  • 346 Answers

Press mute button on tv remote

Posted on Dec 12, 2008

  • cyriacus joseph Dec 18, 2008

    connect headphone to tv .is there sound coming from the headphone?if there is sound coming from the headphone that means the speaker of tv is good

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The picture freezes and the sound is lost. Until the picture returns and the sound returns,this happens every couple of seconds.


If you actually have the Zenith model TV (B25A24Z), the trouble is not in your set. This model has only an analog tuner, and what it sounds like you are describing is digital pixellation. This is what happens with a digital-to-analog converter box when it gets a weak signal, with rain fade or heavy snow on a satellite dish antenna, or when a digital cable system has some signal problems. The converter equipment locks the last complete frame (or breaks up into blocks and freezes) and the sound is muted.

You'll need to look for the cause of your trouble in whatever is feeding the TV. If you have a digital converter box for off-the-air broadcasts, make sure you have a good antenna and all the connections are tight. If you have satellite TV service or digital cable service, you might need to contact your service provider for help in troubleshooting and fixing the trouble.

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Nov 03, 2008 | Zenith C27A24T 27" TV

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Assuming the picture tube lights up and you have snow when selecting the tuner function, I would first hook up a working VCR with a good tape and play it while the set is on channel 3 (if that is what your VCR is set to). If no sound or picture is displayed while the tape is playing,it could indicate a defective tuner. If you don't even get snow with no antenna connected (unless your set is designed to go to a blue screen with no signal present) then you could have a problem in the video processing circuits which would explain no picture with the RCA connections as well. This would probably make the set beyone economical repair.

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the picture tube (what makes the TV picture work) has blown out. Just call you nearest tv reapair shop and purchase a new one. (these are kind of expensive!)

(Also, if it's fifteen years old, i think it's time to get a new T.V. hint. hint.)

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1 Answer

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We lost the chat communication.
check this LINK to download your schematic diagram. Make sure you get all the 7 parts before you can open it.
You will need winrar and acrobat reading 6.0 or newer to view the schematic.
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1 Answer

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due to shifting your yoke coil might have turned. if you are not tech person get it done by tech. good luck.

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hello my zenith tv has a picture but no sound can youe help me.

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