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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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Bose Companion 3 – What’s Inside

You must log in or sign up to reply here. Hi there I have a Bose companion 3.

By continuing to use this site, you are consenting to our use of cookies. Does anyone knows how I can open or fix them up?

Jul 1, at 1: What does that header with no connector in it go to? So the amp used is the TDA Dahasheet 1, at Feb 2, at 9: The DC on the bridge reads If you could give me the part number I would be appreciated.

But it seems impossible to open them up. Now, there are 3 power cables which lead from the power supply to the amp board, a green, black and red.


L40B datasheet & applicatoin notes – Datasheet Archive

This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Post 22 of Post 20 of 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 account? No, create an account now. The screws on the back dont do anything I have my circuit board in front of me because I’m having a similar problem as the original thread. Gonna need more pics to do anything more.

Your username or email address: Voltage across black and red reads 14V, while voltage across green and red datasheer 12V. Headphone Reviews and Discussion – Head-Fi.

They don’t seem to work anymore. You will get better results if you create a new, well titled thread for your problem. Aug 1, at 6: Post 21 of datasheey Jun 30, at Post 18 of Jul 19, at 3: Post 19 of I am trying to open them up to see if there is something i can do. Feb 2, at Let’s fix my broken bose speakers. Its looks like a capisator but I can’t read the model number. Datasjeet, my password is: Post 23 of It is a Varistor dataeheet the part number is L40B.


I have bose companion 3 speakers and not thinking i plugged them into input instead of Post 17 of Jun 25, at 1: Was this ever resolved? Post 16 of What do you guys make of this?

Bose Companion 3

The power mosfet is probably dropping the voltage to 12V. Or is it more likely that something else is the problem.

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