L VLA40B. L40B . VLA2. 7. 8 results L40B datasheet, cross reference, circuit and application notes in pdf format. varistor+L40B datasheet, cross reference, circuit and application notes in pdf format.

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Feb 2, at Hello people, I have a problem and was hoping you could help me with it. Post 24 of Share This Page Tweet. What does that header with no connector in it go to? So the amp used is the TDA The screws on the back dont do anything No, create an account now.

By continuing to use this site, you are consenting to our use of cookies. The one with the 4 pins.

Let’s fix my broken bose speakers

The power mosfet is probably dropping the voltage to 12V. Its looks like a capisator but I can’t read the model number. Feb 2, at 9: Or is it more likely that something datwsheet is the problem.


This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. I am trying to open them up to see if there is something i can do.

It is a Varistor and the part number is L40B. I have bose companion 3 speakers and not thinking i plugged them into input instead of Post 22 of Does anyone knows how I can open or fix them up? Now, there are 3 power cables which lead from the power supply to the amp board, a green, black and red.

The DC on the bridge reads Jun 30, at Post 21 275l40 Post 20 of But it seems impossible to open them up. Post 23 of Jul 1, at 1: Let’s fix my broken bose speakers. If you could give me the part number I would be appreciated.

Gonna need more pics to do anything more. I have my circuit board in front of me because I’m having a similar problem as the original thread. Post 19 of Jun 25, at 1: Your username or email address: Post 17 of Post 18 of Aug 1, at Hi there I have a Bose companion 3.


Safe to assume the connector in the upper left is from the torroid? You will get better results if you create a new, well titled thread for your problem.

I don’t know about the speakers, but don’t post in threads that are a year old and don’t really have anything to do with your problem other than ‘bose’ and ‘broken’. Do you already have an datasheef Was this ever resolved? Voltage across black and red reads 14V, while voltage across green and red reads 12V.

Littelfuse – datasheet pdf

You must log in or sign up to reply here. They don’t seem to work anymore. Post 16 of What do you guys make of this? Headphone Reviews and Discussion – Head-Fi.

Jul 19, at 3: Yes, my password is: