unworking TDA1562q amplifier

blck88 · 25th March 2005, 08:11 PM

I've built an amplifier with the TDA1562q and when I plug everything all I hear in the speaker is something like an electric sound, i check at the speakers output and the potential is of 13V, just like the DC input.

Please help me solve that problem

TO-3 · 25th March 2005, 10:55 PM

Put a scope on it and trace it down. How is the output bias? Can you post a schematic for your amp?

25th March 2005, 08:11 PM	#1
blck88 diyAudio Member Join Date: Mar 2005 Location: quebec	unworking TDA1562q amplifier I've built an amplifier with the TDA1562q and when I plug everything all I hear in the speaker is something like an electric sound, i check at the speakers output and the potential is of 13V, just like the DC input. Please help me solve that problem

25th March 2005, 10:55 PM	#2
TO-3 diyAudio Member Join Date: Feb 2004 Location: Phoenix, Arizona	Put a scope on it and trace it down. How is the output bias? Can you post a schematic for your amp? __________________ Check out Tube Driver BLUE products at: www.tubedriver.com

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