Question about Philips HTS3450 System

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Philips HTS3450 sound problem

I have a Philips HTS3450 system that has worked fine for about a year now. Yesterday we were watching tv and the sound went out. I tried powering off for a little, reconnecting all connections, etc, but still no sound. I can still get a picture when watching a dvd. Do you have a solution for this?

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  • krmuthuswamy Jul 12, 2008

    even I have a Philips HTS3450/37 system that has worked fine for about a year now. Yesterday we were watching tv
    and the sound went out. I tried powering off for a little, reconnecting
    all connections, etc, but still no sound. I can still get a picture
    when watching a dvd. Do you have a solution for this?

  • jutterback Mar 25, 2009

    I have the same problem but my caps are 470uF 200V, do I still change them to 35v?

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As I found somewhere on the internet; there are two 470uF/25V capacitors on the power supply board in the sub-woofer that are the cause of buzzing, crackling and then eventually no sound. Go to Radio Shack and buy two Catalog #: 272-1030 470uF/35V capacitors and change them out. They are in the middle of the Power Supply PCB and are close to the long flat aluminum heatsink. Make sure you match the polarity properly when replacing. Your unit will be as good as new and will proibably last forever now.

Posted on Jul 18, 2008

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