Question about Infinity BU-120 Subwoofer

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Why do my fuses keep blowing out in my infiniti BU-120?

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: Need Sony Part semiconductor 8-729-119-76

I have the part you are looking for if you still are in need of it. Sweet-sounds Mark

Posted on Mar 20, 2011

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1 Answer

Sub making horrible noise even though its not hooked to anything


is it sitting next to any power source if so remove it away from the power source that will not make noisethe sub is just making the frequency noises from electricity

Aug 17, 2014 | Infinity BU-120 Subwoofer

1 Answer

Loud popping sound came from my powered sub now no sound


Did you have your power on when you plugged anything in if so h could have seized your magnet for fried your voice

Aug 11, 2013 | Infinity BU-120 Subwoofer

1 Answer

Need Sony Part semiconductor 8-729-119-76 for the Infinity BU-120 Subwoofer


I have the part you are looking for if you still are in need of it. Sweet-sounds Mark

Feb 12, 2011 | Infinity BU-120 Subwoofer

1 Answer

Is there a on of switch and is the green or red light to be on


There is no main AC power switch on the BU series; it's in standby mode whenever it's plugged in.

When playing music normal LED color should be green. After no signal for 10 minutes or so it will turn back to Red (Standby)

Nov 23, 2010 | Infinity BU-120 Subwoofer

1 Answer

My tail lights are not working, it keeps blowing my fuse.


1.Unplug your taillights at the sockets and the front running lights from sockets.
2. put in new fuse after unplugging taillights.
3 turn on taillights if fuse blows then the wiring is grounding out somewhere between the switch, fuse panel, and rear and or front parking lights.
4.If fuse does not blow then plug in one socket at a time keep rechecking fuse. when the fuse blows after plugging in a certain socket suspect that one to be bad and replace.

Sep 15, 2010 | 2005 Infiniti G35

1 Answer

WHAT FUSE IS USED IN THIS SUB


The fuse is external, mounted on the back. I think it also holds a spare fuse. Rating is marked next to the fuse holder.

Mar 03, 2010 | Infinity BU-80 Speaker

1 Answer

My son and I both own Infinity BU-120 subwoofers, and both exhibit the same problem. Fuse is blown, and the C6 capacitor is blown apart -- literally. I was told to replace that capacitor with a 10mfd,...


Msullivan56 & son,

Yes indeed... We are on luck...

There are circuit board layout drawings...
on my Favorite FREE "manual" site ...
starting on page 20
(SHOWING POLARITY)...

Plz click here...

Infinity BU 120 Service Manual Amplifier subwoofer Bu 120 hts

Hope this helps...

My First "experience" of getting soot embedded in my SAFETY GLASSES... WAS PLACING OF A MODERATE SIZED
"POLAR" filter capacitor in a pretty large RECTIFIER PANEL...

I HAD FOLLOWED the Circuit Drawing ...
(arguably correctly)
as there was very little of it left)) when
POWER WAS RESTORED ... (sort of)

I came out of the EXPERIENCE WITH AN ENDURING
respect for SAFETY GLASSES... looking rather
like a Raccoon (I'm just saying).

Wear them...!!


Carnac the Magnificent

Jul 25, 2017 | Infinity BU-120 Subwoofer

1 Answer

Sub goes full blown loud when plugged in to wall


It sounds like a power supply failure. It needs to go to a repair shop.

May 05, 2009 | Infinity BU-2 Speaker

1 Answer

Have a BU2 subwoofer no sound


start by checking for a blown fuse. Sometimes the fuse holder is on the back panel.

Feb 09, 2008 | Infinity BU-120 Subwoofer

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