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Old 11th April 2018
Here for the gear

Originally Posted by funkymax View Post
So again,I changed all the caps on the amp board now and nothing changed, volumes still fading out. could it be a bad resistor. i mean its like that for some reason the amount of energy the amp board is getting from the transistor decreases more and more after a few seconds and then remains on a certain very low level. this f**** speaker is driving me

Does somebody have any guess??? How could I check the tranformator?

sincerly the desperate max

Still looks like capacitors problems, actually, reverse polarity like the other guy said. if not could be related with temperature, that will open a different approach, you should consider the transistors as well the tdas, and I recommend a oscilloscope to check the wave forms

Last edited by danielwotan; 11th April 2018 at 04:55 PM.. Reason: forget to quote