Do you have a question about the Pioneer PD-S504 and is the answer not in the manual?
Specifications for the laser diode, including maximum output power and wavelength.
Details on laser interlock mechanisms and safety precautions when the cover is open.
Schematic diagram for the Mechanism Assembly.
Schematic diagram for the Pre Amp Board Assembly.
Schematic diagram for the Main Board Assembly.
Schematic diagram for the Function Board Assembly.