Soundstream 2k rms high side gets hot

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Hello...Please help...

Anybody knows why the high side of the output transistors gets hot? although it working fine without distortion. Is there a problem in the driver board?


thank you!
 

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I've been having the same problem with my soundstream XXX-4000D. They use the same circuit. Read the thread I started. It may help u. Do they all hot on the high side. Check the diodes in front of the fets. I found 3 that looked fine but when were actually cracked In half.
 
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