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Phillips HTS3400 blinking red light

A few days ago the speakers started making a terrible noise. Sounded like screaching and a lot of bass. OUT OF THE BLUE. Now the thing won't turn on. I've unplugged it for a few min. but when i plug it back in the standby light blinks kinda fast. We dont turn it off when we go to bed we just turn the tv off. It must have shut itself off during the night.

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  • elite18range Sep 14, 2008

    I have the same problem with mine. Except mine started one day when nothing was playing it was just turned on. I heard a noise and noticed the light flashing. I unplugged the system but as soon as i plug it back in it starts back. The power/standby button doesnt respond the only way to turn the system off is unplugging it.

  • maddoxdtd Sep 16, 2008

    How di you fix it? anyone please?

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There is a capacitor on the power supply that has gone bad, it is a 1000 mf 16v cap and you will notice the top is bulged up a little bit. there are three in a row and this is the center one. Radio shack replacement part for $1.73 and you are back in business. Tim

Posted on Jan 14, 2009

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  • ginoromano Oct 09, 2010

    Yes, you are right. Thanks... I will get the part and let you all know.

  • joseingaran
    joseingaran Jul 21, 2012

    twood95 is right. I have the same problem. Replacing 1000mfd/16v solved my problem. Thanks twood95.

  • Bill Anderson Apr 12, 2016

    I, too, had the blinking red light. A capacitor on the power supply had a bulging top. I replaced it and 4 others in the area ( no good reason for the extras) and now I am humming along with theme music.

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Many other users reporting the same problem using different description. Mine was doing this same thing and now just sits there and buzzes until I press the power button and then it's quiet for a few seconds. I've taken my power supply loose, but there isn't anything obviously wrong and is more than likely a $3 part like a capacitor that has gone dry.

There is a user "meelous" that said he had a fix for this, but he hasn't responded yet. Look at the other posts using the HTS3400 and watch for a real solution, other than throwing it away and doing without.

Good luck.

Posted on Aug 30, 2008

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Code to unlock phillips hts3400


It is not designed to be used world wide. It is designed for use only in the are where the product is sold. Trying to hack the firmware, will probably turn your unit into a doorstop. For more information, please visit my website at audioserviceclinic.com. You may contact me directly through the website. Thank you.

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I'm having alot of problems with my system at the moment. At first it would'nt read my discs and then the tray would'nt even open or close. NOW i just shut it off and it wont respond to any attempt to...


the unit seems to be going into freeze throntone. this is caused by inpc problems with the di po chip if you could take out the back up capacitor im sure it would return to normal to fix it your self disconnect all speakers and input cables leve it to sit for a couple of days and re try it with no cables connected if this does not work it will have to go into the shop


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You seem pretty anxious to perform surgery. Have you done traige yet?

It could be something as simple as a malfunction on a heaphone jack connection.

DO headphones work? Try using FM as the most basic source.

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I had the very same problem. The dreaded blinking power light. I also dabble in electronics. I found that all that was wrong with mine was one bad cap. There are two 1000uF(microfarrid) 16V(volt) capacitors in the mid section of the power board, right next to each other. One was bulging on the top. They have an "X" on top. I replaced it with a 1000uF 35V capacitor from Radioshack. They did not have a 16 volt. (Never go down to a lower voltage) The capacitor I got was larger than the old one but I gently moved over the parts around it and got in there. After replacing this one capacitor, which I got for $1.72 tax and all, I plugged it up and no more problems! It works great! I hope this helps someone else.

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