Marantz SR5009/U1B Service Manual page 54

(3) Remove the HDMI PCB from the chassis and turn it over.
Place an insulation sheet larger than the PCB underneath the HDMI PCB.
Connect the earth of the PCB to the chassis using an earth wire, etc.
b
Insulation sheet
PCB HDMI
CHASSIS-HDMI CONNECTOR
Front side
CN5004 CN5001 CN5000
CN5003
Front side
CN5601
CN5602
54
TO CP401
CHASSIS-PREOUT CONNECTOR
CHASSIS-COMPOSIT CONNECTOR
PCB PREOUT
PCB VIDEO