If you're looking for a service manual for the Korg Pa700, here are some possible sources:
The Definitive Guide to the Korg Pa700 Service Manual: Maintenance, Troubleshooting, and Repairs Korg Pa700 Professional Arranger Go to product viewer dialog for this item. Korg Pa700 Service Manual
Regulates voltage for various components, including +19V for the amplifier and +3.45V for logic circuits. If you're looking for a service manual for
The Korg Pa700 Service Manual is essential for: and USB Type-A host ports.
Ultimate Guide to the Korg Pa700 Service Manual: Maintenance, Schematics, and Repair
: Internal 960 MB flash memory, micro-SD slot, and USB Type-A host ports.