I have always had poor sound definition and as I am over eighty I need a crisp tone for voices. The variations available on the zapper are not enough for me. Sometimes for no apparent reason everything cranks up in quality but for some reason just as quickly disappears - this may be due to the signal changing. I also realise that my problem may be partialy due to the positioning of the TV within a built in unit and partially because of the small speakers on my TV28F26 which is otherwise superb. How can I improve the delivery of sound? Do you think I can attach other speakers to position outside the cabinet - if so how do I do it? I do not want a huge bulky thing like a home cinema set up. Yours sincerely Alan Grainger
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Re: Bad sound definition
As long as your television has an audio output on the back of the tv (usually white and red plugs (RCA connections)) you can connect it to any stereo system with an auxillary input. I have a very small mini system which has inputs so they're available on all sorts of systems.
TV speakers are usually small and have a low nominal output. They don't cover a large frequency range.
If you can find a sound system with a graphic equalizer (these are usually digital now) you should be able to tweak it to your tastes.
Hope this helps
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first you have to check the volume settings tried to make some adjustment and also look the set up in the audio which in mute option. if the settings are ok, then with no any voice is coming the cause is either a bad speaker or a problem in the amplifier circuit. this time you will need to open the back cover of the tv to check the speaker using an analog tester to ensure weather it is worn out.if ok, next will be voltage checking at the amplifier ic if available, if it has 12vdc supply at the pin of the ic. you can check also burnt parts at the amplifier section. if you think you can not do the repair ust leave it to the trained tv repairman good luck.
I do not understand it well. Sound coil? What sound coil? There is a voice coil. But it is inside the speaker. If it has damaged, will be very difficult to replace. Speaker should be replaced. If this coil has damaged, you won't get sound from your TV. That is all. Picture will be there. Ask your technician to give you the number of part [sound coil], that he has detected faulty. Send that number to me. OK?
Hello jreese, Hi, Most definitely its a horizontal output problem, your tv has no horizontal deflection to pull the screen vertically, the power transistor that produces the high voltage is bad, this needs to be replaced. definitely you always have sound, the audio section is a separate block from the high voltage block, go look for a technician to have this checked.
Since the set works some of the time, I'd first look for poor connections. One thing to keep in mind is when the set does NOT work properly. does that occur more frequently with heat? cold? Humidity? If you can solder, first try resoldering any connecitons on the boards that appear grainy or have rings. If that does not resolve the problem, look for patterns for when the set fails. Those patterns will help to narrow down the possibilities.
Sharps are known for bad tuners and cold solder joints.If you tap on tuner and picture comes back there is cold joints in tuner, If not most likley bad tuner. if the audio is there with blue screen it is the tuner definitly.good luck
If the picture is fuzzy (out of focus) it may have a focus adjustment
on the flyback transformer. Possibly an adjustment available from the
outside, through the back. Look for any markings on the plastic housing
indicating Focus, Brightness etc.. You can use a small screwdriver
through the labeled holes in the case to make adjustments.
If the picture is crisp, but faint or the colors seem washed out it may
be the tube is at it's end of life or needs to be rejuvenated. TV shops
can rejuvenate tubes but it's not cheap.
I am about to say something that may sound stupid but it sounds like you are experiencing this. After years of use you CRT guns in your case the gun in each one of your CRTs(RGB) begins to oxidize and decrease in its ability to provide electrons for the scaning beam this creates a dark picture.
Common problem? yes, over time, but for it to happen in just six years is strange but it can.
Major Problem to have repaired? No, the technician will use a CRT rejuvenator on all three of your guns and then balance them and you are off and running.
Now the other problem that might be occuring low CRT anode voltage. this could happen.
Common problem? yes, it is the best choice
Major Problem to have repaired? yes and no depending on which components are bad.