Good morning Perry, sorry for the image quality is what I have at the moment the camera still does not arrive and well I discovered that it is in equal protection raise Q101 next to R101 and pin 4 of the tl494 fell to 0 volts I can not find that I can be pulling on the base of that transistor. I told you that I also changed the lm339 but nothing remains the same in protection.
Attachments
Does the output stage look similar to the one in the following amp:
http://www.bcae1.com/temp/sony - XM-D400P5_Car Power Amplifier SM.pdf
http://www.bcae1.com/temp/sony - XM-D400P5_Car Power Amplifier SM.pdf
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