Apple Macintosh IIsi Power Supply 699-0567 Sony APS-06 Internal PSU

Apple Macintosh IIsi Power Supply 699-0567 Sony APS-06 Internal PSU

This is the original internal power supply for the Apple Macintosh IIsi, Apple part number 699-0567, manufactured by Sony under model designation APS-06. Made in Singapore, this unit provides the regulated DC power the IIsi logic board, drives, and peripherals require. It connects to the motherboard via a proprietary 10-pin output connector and accepts AC input through a standard IEC C14 inlet, with an IEC C13 pass-through outlet on the rear panel for a monitor or other device.

Specifications & What's Included

• Apple Part Number: 699-0567
• Sony Model Number: APS-06
• Compatible System: Apple Macintosh IIsi
• AC Input: IEC C14 inlet
• AC Pass-Through Output: IEC C13 outlet
• DC Output Connector: Proprietary 10-pin motherboard connector
• Country of Manufacture: Singapore
• Certifications: UL (LR84114, Level 3), CSP, EN60950, ERG Bauart Geprüft (Karlsruhe)
• Hardware Revision: D (per label)
• Form Factor: Proprietary internal, specific to the Macintosh IIsi enclosure

Applications

The Apple Macintosh IIsi was a compact all-in-one desktop computer introduced by Apple in 1990, positioned as a lower-cost entry into the Macintosh II line. It used a proprietary power supply form factor that is not interchangeable with standard ATX or earlier Mac desktop supplies, making original replacement units like this one difficult to source. This power supply is the correct replacement for IIsi owners performing restorations, repairs, or preventive maintenance on aging units. The IIsi was a popular machine in educational and small-office settings through the early 1990s, and working examples are maintained today by vintage Mac collectors and enthusiasts. The IEC C13 pass-through outlet on the rear was designed to power an Apple monitor directly from the computer's power switch — a feature specific to the Mac II-era design.