Marantz PM64II - Volume;Push Switch Assembly (PS01) Schematic Diagram and Component Locations (Model PM-64 II); Speaker Protector Relay Assembly (PW01) Schematic Diagram and Component Locations (Model PM-64 II); AVSS Assembly (PU01) Schematic Diagram and Component Locations (Model PM-64 II); Tone Volume (L) Assembly (PE01) Schematic Diagram and Component Locations (Model PM-64 II)