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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I am trying to open them up to see if there is something i can do.

Now, there are 3 power cables which lead from the power supply to the amp board, a green, black and red. Post 16 of The DC on the bridge reads They don’t seem to work anymore. I have bose companion 3 speakers and not thinking i plugged them into input datasheeet of No, create an account now. Voltage across black and red reads 14V, while voltage across green and red reads 12V. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.


Jul 1, at 1: Jul 19, at 3: Feb 2, at 9: Headphone Reviews and Discussion datadheet Head-Fi. The screws on the back dont do anything Post 17 of You will get better results if you create a new, well titled thread for your problem. Does anyone knows how I can open or fix them up?


Was this ever resolved? Post 22 of What does that header with no connector in it go to?

275L40B 140J 275VAC 20MM Varistor

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’. What do you guys make of this? Post 23 of So the amp used is the TDA Post 24 of You must log in or sign up to reply here. Safe to assume the connector in the upper left is from the torroid? The one with the 4 pins.

Post 19 of The power mosfet is probably dropping the voltage to 12V. Jun 30, at Post 18 of Your datashert or email address: I have my circuit board in front of me because I’m having a similar problem as the original thread.

Let’s fix my broken bose speakers. Or is it more likely that something else is the problem.


150LA10A Datasheet PDF

Aug 1, at 6: Yes, my password is: Jun 25, at 1: But it seems impossible to open them up. Hi there I have a Bose companion 3.

Gonna need more pics to do anything more. Feb 2, at Share This Page Tweet.

Post 20 of Post 21 of Do you already have an account? Its looks like a capisator but I can’t read the model number.

Bose Companion 3 – What’s Inside

Aug 1, at Hello people, I have a problem and was hoping you could help me with it. By continuing to use this site, you are consenting to our use of cookies.

As a result of applying V one ofthe components exploded. It is a Varistor and the part number is L40B.