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Losing sound when switching channels

Tv goes mute when changing channels

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A delay can be normal or caused by a glitch---often a cable box will start this---remove if used it and the set from power for a while and plug back to see if helps or not....

Posted on Nov 04, 2012

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Posted on Jan 02, 2017

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SOURCE: Akai TV volume control stuck on 100%

try leaving the set unplugged for several hours, this will reset it to factory settings. If this does not work you need service.

Posted on Jan 10, 2009

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When I change channels, some times, the sound goes off. The sound comes back only after switching the cable box off, then on again. Is there a solution?


power off all units then redo all connections especially if it is HDMI they can be just a little lose and cause the sound to drop out

May 17, 2015 | Vizio SV470M LCD TV

1 Answer

Tv loses sound after around 45minutes of being swiched on


there may be problem in your amplifier or the mute signal or the input signal from processor or speakers, First you have to check the audio output from the processor by using another external amplifier... connect it to the correct audio out pin of processor( these are R,L audio written in pcb near the processor lead that carry) if there is sound moreover than 45 minute....... replace the external amplifier and connect it to its own amplifier.... disconnect the own cabin speakers and connect another sp. and check... if there is sound break after45 minute.... replace the amplifier ic(may beTDA7297) if there is still have the problem, check the amplifier circuite suitable for your ic and dissconnect the mute connection from processor and make a connection to the +ve or ground follows as the circuit(means give external mute signal to amplifier dont from processor)......

Nov 09, 2013 | Televison & Video

1 Answer

The sound works on video channel, but not on TV channels. I have no remote controller


It's not going to be the mute feature as the sound works on video. Tuner may be damaged? Could be the channel?

Dec 29, 2012 | Televison & Video

1 Answer

Tv goes mute when changing channels


Sometimes may be a bit difficult to find as a problem, once a hour or once a day or what?

Nov 04, 2012 | Toshiba 42H81 42" Rear Projection...

1 Answer

Olevia tv won't auto program you can punch in numbers but you cannot channel up it goes into mute


problem with keyboard on set front or side===likely defective switches under the plastic buttons.

May 13, 2012 | Syntax-Brillian Olevia 242TFHD 42 in. LCD...

1 Answer

Magnavox projection TV - Sound cuts off when changing channels.


Yea. Your model FP5210 is much older than one with digital SSB board. Still would think that the mute is being activated; probably by the ucontroller/cpu IC.

Apr 14, 2010 | Televison & Video

1 Answer

Change channel, lose picture. power off/on, picture appears


switched HDMI plug from HDMI1 to HDMI2 port and that solved the problem

Oct 11, 2009 | Polaroid Televison & Video

1 Answer

GE 32GT740 32" TV problem


there are two things that can cause this, 1 there is a muting transistor on the bottom of the PCB that is a surface mount transistor that goes short. this is the channel mute transistor. when you change channels it is designed to mute the static between channel changes. if it shorts then it mutes. 2 the EE-PROM is defective and needs to be replaced. i'de go with the transistor first. if you are unequipped to do this repair have a tech do it.

Mar 02, 2008 | GE 32GT740 32" TV

2 Answers

Erratic behavior...


Change all the little switches (on-off, channel up etc). If just one of the switches is intermettent, or a combination of one or more, it can cause you moe misery than you can imagine. The switches are not expensive but can cause you to lose an awfully lot of time and agravation.

Nov 24, 2006 | GE 31GT740 31" TV

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