JVC RX-D Series Training Book page 46

The unit's power and amplifier circuit can work without
the HDMI and OSD (RX-D701/702) PCBs.
It is easier to
check on the 'A/V
input & system
control' section,,
when
troubleshooting
the power and
protection circuit.
Audio/Video
signal input
and system
control section
Repair Tip 1
OSD PCB
removed)
(
HDMI PCB
removed)
(