You can see clearly the two transformers, capacitors, mains input and where the speaker outputs are
Two megatransformers and "mini" rectifier and total PSU capacitors only 2x5.600uF???
RVB-402-4A-from datasheet.You have +and-45 volts power supply.45Vx4A=180W.From specifications A-J7 has 2x50 watts per 8 ohm.I think it is normally.He has worked so many years without a problems in the power supply.I think that in Pioneer can calculated.
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