Question about Philips HTS3450 System

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Hi, I own a HTSS3455 Home Theatre system since 3 years and it worked without any complaints since then but since last month I am facing sub woofer issues ..when I increase the woofer base volume above 5 DB and increase the volume to MAX ...the system crashes and some IC's burn out in the woofer panel where the circuit board is present ..I got it repaired from the Philips authorized service people here..but when I repeat the same thing above it burns out..again I need to give it to them for repair. I do not think service peple are determining the correct diagnosis...I had checked all the wires going to the speakers and they are in shape as before and also I am using the same set of speakers connectors and wires which were supplied to me.Can any one help me as the same thing has repeated 3 times now. Regards G.P.Kumar

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Hi, kumar,

I am also using the same model but i got problem in DVD player but my speakers are working fine. I am from Pakistan and here i didn't find the spare part of MPEG main board card. If you wanna buy my Speakers or if you wanna sell ur DVD player contact me on sajjadzaidi@hotmail.com.

Posted on Sep 23, 2010

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Posted on Jan 02, 2017

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Not all sub-woofers are alike. Some can handle the really low lows, and some can not. Check your settings too. Over time the vibration of the woofer will start to undo the glue, nails, screws, and even burn through the tiny wires in the voice coil. Oh and make your china crawl across the table... Have you been watching a lot more action movies? Some of the older woofers can't handle the newer digital deep bass frequencies... You may have to reconfigure your setup.

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We have a Harman Kardon home theatre system that is between 5-10 years old. The subwoofer has SUB-TS5 on the back and is currently not working. We noticed in the past when watching an action movie that...


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Now, this is just one suggestion, it may work, but then again, it may not.

These could also be connection problems or some internal trouble in the onkyo sub signal output section or in the subwoofer input section, but hopefuly, it's just a "turn on" or "signal level" setting in a menu.

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3rq8 (triarcuate)

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I just replaced the cord running from the sub to the dvd player. now my sub will not turn on


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1. please check whether the cord is securely connected at both the ends.
2. check if there is transmission through the cord (there'll be a small static through the cord if there is transmission.)
3. reset the dvd-player to default audio-output and then choose the 5.1 sound system which is the correct setting for the th-c6.
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5. now check the sound output in all speakers by playing any original home-theatre system enabled dvd.

the system will work perfectly if the cord is in good condition, otherwise please replace the cord again, and this time check it at the store.
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