I have an older sharp tv. Currently the volume only works when playing a dvd or vhs from an external player. The volume does not work at all when trying to watch tv using a dish satelite box. I think the problem may have started after a quick powe outage.
I am kind of having same problem with my tv, my boyfriend always comes and trys to hook up the surround sound to other things well the volume just stopped working altogether except if the blu ray is hooked up and then try he surround and tv volume works just not on regular tv without the blu ray? Idk im very confused...
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Re: volume does not work.
You are possibly right. Audio circuit might got affected. I would like to suggest likewise that you check also if the speaker is busted, the audio IC and if it receives supply from the flyback.
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Had problem checked by local outfit called "Circuit Pro"; their analysis was compatibility. Actual answer was that the Toshiba required a better quality input from "any" VHS source. I finally took a "less than perfect" VHS tape with me when I returned the Toshiba TV to the store and demonstrated the problem to one of the TV sales people. He played the VHS tape through a display VHS/DVD player to three different brands of TV. The picture was often "black screen" on a Toshiba, but was merely poor quality on the other two brands. I upgraded to a Sony KDL26M4000 from the Toshiba 26AV502U.
Try putting in a VCR tape let it load and hit stop. If the set stays on it's the VCR deck causing the problem. It will be either be bad sensors or LED or possibly the mode switch. Let me know if this helps.
You need to bypass your A/V tuner for your video connections (if possible). Plug your video directly into the TV and audio into the tuner. This will also give you a cleaner signal/picture as it does not have to processed by your tuner BEFORE it goes to your tv. Think of it as cutting out the middle man. Your tuner is best left for powering your speaker and not controlling your video despite all of the available connections in the back of it.
I would also get rid of your VHS and cassette players as they are dead technology. Clean up your system and remove the clutter. This will lessen your chance of getting interference. Good luck!!
Yes, the dynamic range on DVD's is enough to cause the high and low passages to be somewhat annoying but, sounds more like a movie theater. This kind of dynamic range showed up first on Beta HiFi and VHS HiFi VCR's because of thier range as well. If there is a feature in your audio menus on your TV such as "audio expansion, SRS, Wide mode, etc." turn it off and let the audio be processed without expansion of any kind as that will amplify your dynamic range alot more.
The lock up issue could be something Philips is aware about and if under warranty contact them. Otherwise not much you can do except manke sure the voltage going to the TV is failry stable between 110 volts and 120 volts. Sometimes dramatic drops and or increases can cause lock up or confusion to the microprocessor in the TV.