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I have a Boston Acoustics MCS 95 subwoofer. An electical componant circuit board is partially fried. It's a plug & play part that I have removed and is my hand. The only identifier I can find

See above.

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: My speaker set up boston acoustics ba7500 will'nt

The Guys at Boston Acoustics helped me get my speakers to work. The Boston BA7500 speakers are coaxial digital speakers so you need a digital output on your sound card. Analog will NOT work. My new HP Pavilion has a Realtek sound card with a digitial RCA plug output. I had to go to Amazon and get a male RCA to 1/8" Stereo Mini Female adapter plug. I just pluged it in and configured my sound card to 16 bit 48 khz output to the RCA output and everything works great. The speakers sound better then ever, great for 10 year old speakers! They sound better then anything I have seen avalable today. The guys at Boston were the only guys that helped with getting this to work! Thanks again to them and Amazon has every type of adapter plug you may need. Good luck.

Rick

Posted on Feb 20, 2010

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tbreeze47
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SOURCE: My ALTEC LAnsing subwoofer speaker

Well, I'm thinking like you in that only part of the circuit board in the subwoofer box is bad, since it's feeding a signal to the desktop speakers. You might take a shot at it, it's a lot cheaper than buying the whole board, I would think, but check before you change it out- sometimes the ICs are custom made and hard to get, if not impossible- hence, they make you buy the whole board (this happens a lot these days with all appliances).
The only way you can know for sure is to troublshoot it with a scope (minimum) and shematic, and possibly some other high tech equipment, if you have access to it (audio generators, etc.).
Before you change the IC out, inspect the circuit board carefully (with a loupe or magnifying glass) for bad or cracked solder joints- they can occur with time and/or heat and open up, and merely need to be resoldered.
Good luck, and hope this helps.

Posted on Nov 07, 2010

bronk50
  • 27725 Answers

SOURCE: Boston Acoustics BA745 2.1 Analog Speaker System.

try swapping the speakers around if the problem still persists either the speaker is faulty or
the speakers plug/outlet is usually at the back of the computer you will have to open up the computer to check the lead attached to the rear of the input plug make sure the connection is good
or you might have to clean the dust from your computer dust causes static which causes your computer to overheat and all sorts of problems
be sure to wear an anti static earth strap before touching anything inside your computer hope this helps

Posted on Apr 11, 2011

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Perform Nozzle Check Pattern of Canon Inkjet Printer without Computer


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I also have a fried zd3 on my boston acoustic mcs 95 Sub amp board. Do you know the radio Shack part number you used and did your amp power up? My Sub is not working. No power and no green light but my...


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