This is the unique feature of the MGP series.
Warning: Avoid random PDF download sites. Many host malware-filled .exe files masquerading as service manuals. Others provide low-resolution scans missing pages 42–56 (the critical analog input schematics).
Pro Tip: Search for "Yamaha MGP32X Service Manual PDF" combined with a trusted domain, e.g., site:archive.org "MGP32X" or site:elektrotanya.com "MGP32X". Always scan PDFs with antivirus software before opening.