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MODEL QUESTION hI iT IS A BOSTON ACUSTICS PV800 POWER VENTED SUB WOOFER

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I wasn't able to find a schematic diagram. Could you please send a picture or pictures from the top and bottom of your device. close ups of the circuitry from top and bottom will help to determine where that wire is connected to jah2mil@hotmail.com
Thank you.

Posted on Jul 07, 2008

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Boston micro 95pv sub-woofer is blowing 3A Slow Blow fuses.


I would expect a shorted component in the power supply

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Hi there hope someone can advise me! Bought a used boston soundbar tvee 20 and discovered the subwoofer stays on for a short while then goes off displaying a solid red light! I have tried everything thing...


I have sub woofer that works the same way. It is always on "idle" but when it detects an input it switches over to fully powered status and green light goes on. When I turn off receiver or whatever, it takes a tad for the unit to power down and go back into "idle" mode with a red light. .

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Hum coming out of sub..need to replace power capacitors. Does anyone know which one they are or have schematic to share?


The power capacitors should be marked. Many places online to buy them but steer clear of the "made in China" components. You might be able to get them locally, as well.

Nov 01, 2013 | Boston Acoustics PV800 Subwoofer

1 Answer

Hook up to a receiver


what kind of connector is opn the sub? probably a mini-audio plug like a set of headphones? If that is the case, you can get an adapter from mini-plug to rca cable.

Oct 07, 2013 | Boston Acoustics Audio Players & Recorders

1 Answer

Subwoofer is not working


Hello
Check the speaker of the Sub-Woofer. It is a common fault for sub-woffers that its lead wire will get loose contacted from its cone paper. You can repair this with caution. The lead wire can be bought from most oof the electronic spare part shops at your twon.

Feb 08, 2012 | Boston Acoustics Audio Players & Recorders

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Where is the fuse for a Boston TVee Model 20?


Same thing here, I'm afraid, my Boston TeeVee 20 sub randomly goes on and off. I've taken it apart and to see if it might be the fuse and unfortunately the fuse isn't a standard unit, rather it's a "built in thermal fuse", see picture. This isn't going to be easily switchable, and in any case I'm not convinced the fuse is the problem as the sub sometimes does come on--sounds more like a wiring issue to me. Shame as now that I've got this opened up it's clearly a well-made device, other than the issue we're running into. 11_3_2012_5_50_45_pm.jpg

Jan 24, 2012 | Boston Acoustics Audio Players & Recorders

1 Answer

How to hookup


hi,
if u want to hook up the sub with ur av receiver the connect the sub woofer output of ur AVR to any one (left or right) input of ur sub woofer. then connect its power . set the frequency range between 90 and 120Hz. set the volume of sub woofer to 40% of its total. also check the av receives speaker setting. goto speaker setup and make ON the sub woofer out.

if want to connect the sub to a stereo amp without sub out. then connect the amps speaker line to the speaker input of sub woofer and connect the speaker out of sub to left and right speaker ( make sure to connect the red to red and black to black). set the volume and frequency as above
ok

Jan 01, 2011 | Wharfedale PowerCube PC-10 Subwoofer

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No power at all even after i changed the fuse


I need to know did it light up before you changed the fuse. Now that you changed the fuse does it light up?

Dec 23, 2010 | Boston Acoustics PV800 Subwoofer

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How do i connect my boston acoustics pv800 subwoofer to my Harmon Kardon AVR 520 reciever?


You need to use the LINE LEVEL connection on the pv800 (usually a rca type connector cable) and run this cable into the back of the HK 520 Subwoofer PRE-OUT connector, be sure the HK Receiver menu speaker set-up option is set to SUBWOOFER "YES"

Jun 06, 2010 | Boston Acoustics PV800 Subwoofer

1 Answer

Replacing sub speaker


I wouldn't try reinventing it by replacing the driver. Drivers and their enclosures are designed to work together. And this being a self-amplified subwoofer, there is one more piece that's electrically optimized to the rest. Don't mess with it.

Why don't you just set your receiver's individual relative speaker volume levels so the sub isn't weak by comparison to your other speakers? Weakness, as you call it, is relative.

Is your receiver properly channeling Low Frequencies to the sub? Experiment with the cutoff, too.

This problem doesn't require meatball surgery.

May 18, 2009 | Sony SA-WM500 Subwoofer

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