service manual can be challenging as this amplifier is a vintage piece of professional audio equipment. While a dedicated "high quality" official PDF of the 6022 specifically is rare online, technical documentation for its close relatives is available, which often shares the same circuit architecture. Available Technical Resources Schematics (PSX-4022):
: Provides vital data for troubleshooting power supply rails, such as the standard plus or minus 87 cap V plus or minus 15 cap V Protection Systems
A "high quality" PDF is more than just a scan; it is a searchable, high-resolution document that includes: