JVC RX-D Series Training Book page 77

DIGITAL AMPLIFIER
6/8
Power Amplifier Diagram
This diagram is for front left channel, the other channels are similar.
From PWM Board
AMP-B+12V (-13/-23/-30V)
AMP+B (+25/+35/+42V)
LC LPF
AMP-B (-25/-35/-42V)
P to P (50/70/84V)