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Sound problem I get a cricket sound coming from the tv even when the sound is muted

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Maybe you do have a cricket behind your TV? Gee......i don't know how to help you,cause i don't know the rest of your components and how they are connected?
solutiondoct

Posted on Nov 06, 2008

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1 Answer

My evotel tv wont come off mute(even though it says mute is off )


Sounds like fault with its main board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. http://electronicshelponline.blogspot.com/ . In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.

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A few things to consider: if mute on the set is not on what about the box if you are using one?

Speakers could be switched off in the set.
There could be a internal / external speaker switch(not common but possible)
Sound on the set could be muted or turned real low or off.

if the image you see on the screen is there--either it is from the set or a box if one is used.

only a few things other than the sound circuit being bad will cause this--very few sets with actual no sound problems are around.


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went into setup, tv and kept hitting the mute then unmute it finally took. Not sure what was wrong with it since I had already done that several times. The two audio outputs on the side of the tv do not work like it says in the manual for surround sound. Its definitely a cheap tv.

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My lcd tv makes a humming noise


Try removing all cables going to the TV except the power cord. Power on the TV and press mute. If you have any unwanted noise, then you have a defective TV and since it is new, you should get an exchange. If there is no noise with the A/V cables removed, then you might have hooked the source (cable box/DVD Player) into the wrong inputs of the TV.

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WHen I hit the mute button again to bring up the volumn the sound remains muted. I have tried all other channels, direct cable and even a dvd player connected. No sound. I unplugged all the boxes and tv and then plugged in again in a attempt to reset what might be wrong. Still no sound. solution 1 while operation mute button has got demaged or pressed more. 2 sound section might have gone defective in tv 3 no supply to sound section 4 or speaker defective or ic got demaged.

Aug 02, 2007 | RCA 27V520T 27" TV

1 Answer

TV makes a reoeated cricket sound & won't turn on.


You have a short somewhere in your set. Most likely the horizontal output transistor.The sound that you are hearing is the power supply being overloaded. If the horizontal output is shorted, you probably have a bad flyback (high voltage) transformer. You need to have it checked out by service tech also ask for an estimate. Stargazer

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1 Answer

Squeak


The high pitch squeal you hear is usually caused by a coil vibrating, normally in the horizontal circuit. I've also seen the ferrite bead on the horizontal output transistor do this, but, it is rare. I normally will repair this by finding the coil and "tightening" it. To tighten a coil, technicians use different chemicals, such as, a hot glue gun, rubber silicone or even finger nail polish. I will find the coil that screams by starting with the usual suspects and using a wooden dowel, barely touch the coil and if the pitch of the noise changes, then, thats the coil that needs repaired. If you do not know your way around the inside of a television, I never recommend you do so, since, this procedure must be done with the set turned on and you poke your hands around the inside of the set by the high voltage circuit. Hope this helps your decision.

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