Question about Hisense TC24FS2H TV

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Hisence tv no sound

Picture is good but no sound.
some times tappinp on cabinet firmly will produce a sound

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Hi

In this case you have defective speakers or loose contact to the speaker wire or spider wire this booth need to replace.

Thanks!

Posted on Jan 14, 2009

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Sounds like the power supply board is starting to fail. Most likely blown, or leaking capacitors. The capacitors are normally a very cheap, and easy fix if you have any kind of soldering skills. The board itself can be a little pricy, but also easy to change, and less than a new tv.

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This is an older picture-tube projection TV.
There are just a few things that can affect all three color tubes at the same time. One of these is "Blanking" and the other is the High Voltage.

Blanking happens when there is not a good signal to the TV, and the high voltage and therefore picture are shut off to protect the high voltage system. Make sure there is a good, strong signal to test it from, like a DVD player, otherwise the TV could blank off from low signal levels. A signal good enough to produce sound may not be good enough to keep the picture on, so that is not a good indication of good signal.

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How do i reconnect the internal speakers on a samsug television


Most car and home stereo speakers won't work because they're not shielded. They'll cause major issues with color distortion in the picture. Also, I'll bet a week's pay that 250 watts isn't the audio amp power output. Unless there's a large heat sink inside with several large output transistors, that TV is probably closer to 25 watts per channel max.

Also consider that the cabinet that houses the speakers is as important to the quality of sound as the speakers themselves. Cabinets are designed specifically for the speakers, so swapping to a better set of speakers may actually degrade the overall performance. Further, there's not a whole lot of room inside the speaker enclosures to provide the cabinet (cubic) volume necessary to produce deep bass. The speaker/cabinet combination is probably the best the designers could cram into that case.

That said, you'd have a dramatic increase in quality if you connected the audio outputs of the TV (if it has them) to the aux input of your stereo. Or better yet, a surround sound system that allows you to turn up the center (dialogue) channel.

In the meantime, there is something you can try: The specs say that TV has a five-band graphic equalizer, turbo sound (usually just a high & low boost), and an "auto leveller". Turn off the turbo sound and auto leveller to help bring out the dialogue. Adjust the graphic EQ to slightly boost the midrange frequencies where the human voice resides

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Only voice from tweeter is coming, nothing from the mid-range and woofers. on cerwin vega v10f


bhurajiv,
Well it's a good thing that you are getting sound from the tweeter from the speaker cabinet with the problem, that eliminates one of the possible problems; your wires are connected!

If your other speaker sounds fine, the first thing to try is to swap your speaker wires with the one that sounds fine. If the problem speaker cabinet still only produces sound from the tweeter, the problem is within the speaker. If the problem goes away, the problem is from your electronics.

If the problem is within your speaker and it is still under warranty, find a authorized repair location (http://www.cerwinvega.com/service_center.php).

Problems within the speaker can only be one or more of the following: 1) The drivers not producing sound have been blown; played with either too much power and/or distortion. Distortion is created when you play your music too loud with a amp not able to reproduce what you are looking for in sound, the speaker itself can hear it before you can.
2) The speaker cabinet has a crossover inside which directs the proper sounds to the proper driver. This crossover can have components that have been broken be either #1 or from exsessive vibration.
3) There are wires inside of the speaker cabinet that have been disconnected. This can happen over time or if someone reaches inside of the cabinet through the port and pulls on the wires; like a young child or pet such as cats.

If the drivers in question just one day stopped producing sound, start with the easiest solution, #3 then #1 if you can suspect anyone could have played your speakers other than you.

To diagnose the problem, you first start by removing the woofer and confirm that all of the wires are connected and in good condition. While the woofer is removed, to eliminate that there is a problem with the speakers, temporarily connect the mid-range and woofer, one at a time, directly to the wire coming from your electontics, if they produce sound the problem is within the crossover network, if they do not produce sound, the problem is with the driver itself. Replacement parts should only be purchased directly from Cerwin Vega directly (http://www.cerwinvega.com/contact_us.php)

-Chris



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