Question about Philips HTS3440/37 System

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Philips HTS3440/37 sound shuts off. If I press mute button it goes to mute,press mute again sound will come back on. What can I do to solve this?

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  • dwarner151 Sep 07, 2007

    The sound shuts off on its own. To getit to come back on I must shut off the power and turn it back on, or I can press the mute button once to set the unit in mute mode, then press the mute button again and the sound will come back on.

  • dwarner151 Sep 08, 2007

    The sound shuts off on its own,a lot. tring to watch a movie or show is a pain in the ---. To get it to come back on I must shut off the power and turn it back on, or press the mute button once to set the unit in mute mode, then press the mute button again and the sound will come back on for a unknown time.



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I agree with sounds like your getting electrical feedback current from the speakers causing the system to shutoff. try just one speaker or alternate speakers...there is something called impedance that you should check into as well. too low of impedence can cause amp failure/shutoff. e.g. connecting surround sound speaker up incorrectly can easily cause an impedence problem.

Posted on Sep 10, 2007

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Please elobrate further your problem.. i'm a bit confuse " If I press mute button it goes to mute,press mute again sound will come back on" This is normal.i.e. that is the function of mute button.

Posted on Sep 07, 2007

  • SS s
    SS s Sep 08, 2007

    check speaker connection and setting, make sure audio cable are connected properly and correct source are selected.

    Please ensure you follow the procedure in the manual page 13 to 19.



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When changing the Settings on your detector, please keep in mind: Each time the unit is turned On the factory settings of Highway and Auto Mute-On will be set. They can be changed while the unit is in use as described in the following sections.
Assistance Muting An Alert
Your detector allows you to quickly turn Off an audio Alert by momentarily pressing the Mute button. If you press the Mute button a second time during the Alert, the audio Alert will be turned back On.
Auto Mute Mode Auto Mute will automatically reduce the audio volume of all alerts after four (4) seconds for as long as the signal is detected. The factory setting for Auto Mute is On.
Highway/City Mode Setting your detector to City mode delays all X band audio alerts at lower signal strength levels. (A single beep will sound when the signal is first Notice detected.) This will reduce false alerts while you are driving in, or near, urban areas where there are many sources for conflicting X band signals such as microwave towers and automatic door openers. To change settings, follow the procedure listed below, which indicates what you will see and hear as you complete each step. The factory setting is Highway mode.
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