JVC MX-GB6 - Safety and Hazard Warnings; Electrical Safety and Fire Prevention; Laser Product Safety Precautions

In regard with component parts appearing on the silk-screen printed side (parts side) of
the PWB diagrams, the parts that are printed over with black such as the resistor ( ),
diode ( ) and ICP ( ) or identified by the " " mark nearby are critical for safety.
(This regulation does not correspond to J and C version.)