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Phillips HTS 3450 sub problem

I ordered the caps that you specified in your fix. Do you know what the specs are on the large coil that is on the end of that same board? Mine has gotten pretty hot and some of the glue/insulation melted off of it.


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  • bidiman Dec 20, 2008

    my phillips HTS 3450 subwoofer ....has no power ...

  • jdemps61 Dec 20, 2008

    My system shows the dvd but with no sound. The sub has a red light on the frt. It was woeking fine but started bussing and then eventually stopped.Please advise

  • Anonymous Mar 12, 2009

    my sub shows hte sub light on for a few seconds then starts blinking....then keeps on again.. and when i turn the dvd on there is no sound.

  • rrrdh May 15, 2009

    I have no sound, i have unplugged everything, and replugged in.. still nothing.. any ideads HTS 3450



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Posted on Jan 02, 2017


SOURCE: HTS 3450 subwoffer off

I have a similar problem. I inspected the power board and found IC901 burned completely. I cannot find out the part number and have tried to get a reply from phillips but have not heard back from them. Anyone have a schematic or can give me the part # of IC901?

Posted on Nov 09, 2008

  • 4 Answers

SOURCE: need region free code for philips hts 3450

Turn it on. Do the following (with the remote).

  1. Press "Open/Close"
  2. Press 9 9 9 9 0
  3. Press "Open/Close"
It should say "Region: 0" in the upper left corner.

Posted on Apr 28, 2009

  • 2702 Answers

SOURCE: Is there any reason why my ignition coil would keep blowing up?

the ignishion coils has about 20,000 volts in it and that takes a lot of holding back, if there is the slightest crack or its got wet then these volts will forse there way out the problem is once they have found a way out they leave a track of carbon and they will all ways find that track after that you can clean it as much as you like but you will never get rid of the track, the best thing to do it change all the parts that are shorting out but pack the joints with silicon grease this should stop water getting in again and stop it from shorting out as for using insulating take that is far to thin to hold back 20,000 volts as the spark for that can jump over 1/4 of an inch just look how thick the plug leads are? and they only just hold it back

Posted on Jan 14, 2010

Testimonial: "Thanks, thats pretty much along the same lines i was thinking. I've got a few more questions which i've added to the post. Thanks!"

  • 8 Answers

SOURCE: how do install dust cap on to sub

try epoxy. just go to home depot and get the lightest two part epoxy they have. make sure you put enough on and give proper time to dry.

Posted on Feb 27, 2010

  • 3400 Answers

SOURCE: I need some glue sticks

Check with (these guys have everything)

Posted on Mar 10, 2011

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1 Answer

I need to connect a subwoffer VGA with an stereo receiver. Do you know where I can find a cable to do this?

i have hts 3455/98 i connect perfectly all cables but sound is coming from only one speaker. pl help me about this problem.

Mar 28, 2013 | Philips HTS3450 System

1 Answer

Why won't my TV sound go through the Hts 3450?

Wide open one here. Is your tv coming in direct from the wall or do you have a cable/digital box that you need to get the signal from? If you have a box then make sure you are plugged into the audio out on the box and on the HTS you are on the audio in. There will be a left and right. If you have the sound to your tv then you can plug into the audio out on your tv and again plug into your audio in on your box. If your tv has an option for external speakers then you need to make that adjustment on the audio menu on your tv. Also make sure that the proper channel is selected on your HTS and that your audio output matches your selection. Hope this helps but I will keep an eye out for further posts.

Nov 12, 2012 | Philips HTS3450 System

1 Answer

I have a philips HTS3450/37 replaced the caps got ride of the buzzing but still don't have sound on sub center channel or left front any ideas

Hi Gerhodes. The answer above is correct with one exception. The reason this has been found to be such a problem with the Phillips HTS 3450/37 model is due to the fact that parts positions numbered "C987" and "C989" are not powerful enough . If you take the "Black backplate" off (the one that the otherside actually shows outside when asembled. Right about where the plate was removed between the "Metal Wall" as it resembles and the "Main Power Conductors" which are covered by the metal top plate and wrapped in yellow or some other color tape. So, as you see that area, at the back are 4 capacitors. Two are small and neither of those two are the same size as each other or the other two in that area. There are two capacitors of those 4 that are set in a diagonal position from each other, They are the same size as each other. Those are the ones that you want to replace. They 470uF/25v. What creates the issue is that these capacitors are not large enough to handle the power needed. So, when you replace it you want the equivalent of a 470uF/35v to supply enough power. Once you replace the weaker ones with the more powerful capacitors ensuring to solder on the opposite side of plate (green side), you should be good to go.
Good Luck,

Jan 11, 2012 | Philips HTS3450 System

1 Answer

I have a philips hts 3450 i just bought and i didnt get the speakers is there a way of hooking it to my tv and get it to work

Speakers are an integral part of any home thetre system and are, as such, effictively useless without them. You will need to attach some speakers to it in order for it to work as intended.

Jan 23, 2011 | Philips HTS3450 System

1 Answer

I have a Phillips HTS HTIB and would like to know if I can add to the speaker wire length by splicing?

Any splicing to a cable will degrade the signal quality and will compromise the integrity of the cable itself.

As a repair maybe for a short-term fix, but I wouldn't recommend cutting up a good system.

Nov 18, 2010 | Philips HTS-3555 System

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May 21, 2009 | 2000 Isuzu Rodeo

1 Answer

Need region free code for philips hts 3450

Turn it on. Do the following (with the remote).
  1. Press "Open/Close"
  2. Press 9 9 9 9 0
  3. Press "Open/Close"
It should say "Region: 0" in the upper left corner.

Jan 22, 2009 | Philips HTS3450 System

1 Answer

HTS 3450 subwoffer off

I have a similar problem. I inspected the power board and found IC901 burned completely. I cannot find out the part number and have tried to get a reply from phillips but have not heard back from them. Anyone have a schematic or can give me the part # of IC901?

Sep 06, 2008 | Philips HTS3450 System

1 Answer

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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.

Jun 12, 2008 | Philips HTS3450 System

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