JVC RX-D301S - Fine-Tuning Sound Output Levels and Equalization; Speaker Level Calibration Process; Graphic Equalizer Adjustment Procedure

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.