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Inleiding

The Macintosh IIsi Uses a 120/240V AC Power Supply. It provides power directly to the logic board. From there, it is distributed to the rest of the computer.

Onderdelen

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  1. Disassembling Macintosh IIsi Power Supply, Top Case: stap 1, afbeelding 1 van 2 Disassembling Macintosh IIsi Power Supply, Top Case: stap 1, afbeelding 2 van 2
    • Start by turning the computer around, and remove this #0 Phillips Screw.

    • There may or may not be a Phillips #0 screw here, depending on whether or not the computer has ever been serviced.

  2. Disassembling Macintosh IIsi Power Supply: stap 2, afbeelding 1 van 3 Disassembling Macintosh IIsi Power Supply: stap 2, afbeelding 2 van 3 Disassembling Macintosh IIsi Power Supply: stap 2, afbeelding 3 van 3
    • Now lift these two clips, and slowly pivot the case up.

    • You can now seperate the top of the computer from the rest of the machine.

  3. Disassembling Macintosh IIsi Power Supply, Floppy Drive: stap 3, afbeelding 1 van 3 Disassembling Macintosh IIsi Power Supply, Floppy Drive: stap 3, afbeelding 2 van 3 Disassembling Macintosh IIsi Power Supply, Floppy Drive: stap 3, afbeelding 3 van 3
    • The "SuperDrive" is mounted similarly to the hard drive, and positioned right next to it.

    • Push these two tabs out, and lift the drive up.

  4. Disassembling Macintosh IIsi Power Supply: stap 4, afbeelding 1 van 3 Disassembling Macintosh IIsi Power Supply: stap 4, afbeelding 2 van 3 Disassembling Macintosh IIsi Power Supply: stap 4, afbeelding 3 van 3
    • Flip the drive so it is on top of the power supply, and remove the "Red-Ribbon" cable.

    • 1.44MB floppy drives need a ribbon cable with a red stripe on one side. 400KB floppy drives use a ribbon cable with a yellow stripe on one side. 800KB floppy drives can use a red, or yellow striped cable.

    • This drive was manufactured by Sony in 1990.

  5. Disassembling Macintosh IIsi Power Supply, System Fan: stap 5, afbeelding 1 van 1
    • The fan recieves power from two contacts on the logic board and has no connector.

  6. Disassembling Macintosh IIsi Power Supply: stap 6, afbeelding 1 van 3 Disassembling Macintosh IIsi Power Supply: stap 6, afbeelding 2 van 3 Disassembling Macintosh IIsi Power Supply: stap 6, afbeelding 3 van 3
    • In all of the years that I have worked on this machine, I have found no good way to remove the fan.

    • The best way to start, is to push in here on the side of the fan.

    • Being careful not to exert too much force, try to push in, and wiggle the fan outward as such. (2nd Photo)

    • You can now lift the fan all the way out, and remove it.

    • The Fan Power Contacts on the Logic Board:

  7. Disassembling Macintosh IIsi Power Supply, Power Supply: stap 7, afbeelding 1 van 2 Disassembling Macintosh IIsi Power Supply, Power Supply: stap 7, afbeelding 2 van 2
    • To remove the power supply, squeeze these two tabs and lift the front up.

    • On the back of the power supply, there is a tab that also must be pressed to remove the power supply fully. You can then lift it out all the way. A firm tug may be necessary to seperate the power connector.

  8. Disassembling Macintosh IIsi Power Supply: stap 8, afbeelding 1 van 2 Disassembling Macintosh IIsi Power Supply: stap 8, afbeelding 2 van 2
    • Information on the power supply:

    • It was made by Sony in 1990, and uses a 10-Pin power connector.

Conclusie

To reassemble your device, follow these instructions in reverse order.

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Chris Green

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Één opmerking

I was looking for the schematic for the power supply APS-06 pictured here. The information above would be a little helpful if one was really unaware of anything electromechanical,… otherwise, it’s all pretty obvious I think.

nikitesla - Antwoord

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