Hello Try to change left and right input wire in output stage in PCB to eliminate problem is in preamplifier or power amplifier side. Look for burning resistor, bad soldering,in input serial electrolitic capacitor...
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Hello
Try to change left and right input wire in output stage in PCB to eliminate problem is in preamplifier or power amplifier side.
Look for burning resistor, bad soldering,in input serial electrolitic capacitor...