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Class D Switching Power Amplifiers and Power D/A conversion

Sure AB32186 (STA508) acting weird
Sure AB32186 (STA508) acting weird
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Old 21st February 2019, 02:56 PM   #1
sjuft is offline sjuft
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Join Date: May 2013
Thumbs down Sure AB32186 (STA508) acting weird

I did some re-wiring in my portable speaker running a Sure AB32186 (STA508 based) and now its acting weird.
When i plug in the power-supply it starts flashing and wont play. See video: IMG_1362.TRIM - Streamable
Is this fixable? Or is it fryed?

Thanks in advance
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Old 21st February 2019, 05:45 PM   #2
chermann is offline chermann  Austria
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Join Date: Jan 2017
Location: Vienna
Quote:
Originally Posted by sjuft View Post
I did some re-wiring in my portable speaker running a Sure AB32186 (STA508 based) and now its acting weird.
When i plug in the power-supply it starts flashing and wont play. See video: IMG_1362.TRIM - Streamable
Is this fixable? Or is it fryed?

Thanks in advance



if the SMPS - your power brick is flashing - its a short cut some where or a very large current with the power supply canīt handle and goes into the "hickup" mode


re check with an ohm meter where the shortcuts are! -(beep mode of the LCR)
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