Hi
Does anyone know what is the bias setting for this amp. There are 3 trim pots, VR4,VR5 and VR6 on each power amp board, no information is given on the schematic on the bias settings. I guess that VR6 is for biasing and VR4 and VR5 for DC offset. I have replaced some blown power transistors on each channel. I did not rebias after replacing the transistors, but using the preset bias. After leaving the amp ON for 2hrs, the left channel feels warm but the right channel is hot. Please assist. Schematic attached.
Thanks
Does anyone know what is the bias setting for this amp. There are 3 trim pots, VR4,VR5 and VR6 on each power amp board, no information is given on the schematic on the bias settings. I guess that VR6 is for biasing and VR4 and VR5 for DC offset. I have replaced some blown power transistors on each channel. I did not rebias after replacing the transistors, but using the preset bias. After leaving the amp ON for 2hrs, the left channel feels warm but the right channel is hot. Please assist. Schematic attached.
Thanks