Do you have a question about the Pioneer M-90a and is the answer not in the manual?
Safety guidelines and checks for customer and technician.
Importance of using genuine replacement parts for safety.
Exploded view and parts list for external components.
Exploded view and parts list for internal components.
In-depth schematic diagrams for various assemblies and circuits.
Details the pin assignments for the FL display.
Compares miscellaneous parts across different model versions.
Schematic diagrams tailored for HE, HB, and HEZ model variations.
Overview of the unit's front panel controls and indicators.
Technical details of the amplifier and power output.
Instructions for cleaning and maintaining the unit's exterior.
Guidelines for safe and optimal installation of the unit.