Apple 073-0723 manual

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Table of contents for the manual

  • Page 1

    073-0723 Re v . B  Power Mac G4 Power Supply Replacement Instructions F ollow the instructions in this sheet carefully . F ailure to f ollo w these instructions could damage your equipment and v oid its w arranty . Note: Written and video instructions covering customer-installab le par ts are av ailab le at http://www .info .apple.com/installpar[...]

  • Page 2

    Power Mac G4 (Mirrored Drive Doors/FW 800) Power Supply - 2 6. T ouch the metal PCI access cov ers on the back of the computer . (Figure 1) Important: To avoid electrostatic discharge, always ground yourself by touching the port access covers before you touch any parts or install any components inside the computer. To avoid static electricity build[...]

  • Page 3

    Power Mac G4 (Mirrored Drive Doors/FW 800) Power Supply - 3 Removing the Installed P o wer Supply 1. Remov e the two scre ws that secure the optical driv e carrier to the chassis. (Figure 2) Figure 2 2. Slide the back panel off the carrier . (Figure 3) Figure 3[...]

  • Page 4

    Power Mac G4 (Mirrored Drive Doors/FW 800) Power Supply - 4 3. Slide the carrier back and rotate it so that you can reach the driv e cab les. 4. Disconnect the drive data and pow er cab les (P6 and P7) from the back of the optical drive(s) and remo ve the carrier from the computer . (Figure 4) Figure 4 5. Disconnect the ribbon cable from the logic [...]

  • Page 5

    Power Mac G4 (Mirrored Drive Doors/FW 800) Power Supply - 5 6. Using a small flat-blade scre wdriver , gently lift up the locking tab on the lo wer f an cable and disconnect the cab le from the logic board. (Figure 6) Figure 6 7. Slide the f an straight up to disconnect it from the optical drive shelf , and remove the f an from the computer . (Fig[...]

  • Page 6

    Power Mac G4 (Mirrored Drive Doors/FW 800) Power Supply - 6 8. Use a T -10 T orx driver to remo v e the power supply scre w . (Figure 8) Figure 8 9. Remov e the Phillips scre w from the side panel. (Figure 9) Figure 9[...]

  • Page 7

    Power Mac G4 (Mirrored Drive Doors/FW 800) Power Supply - 7 10. Disconnect the power supply cab les from all driv es and from the logic board. 11. Note: For the Power Mac G4 (FW 800) model of the computer, press and hold the tab on the black, plastic connector cover as you pull up the power connector from the board. (Figure 10) Replacement Note: In[...]

  • Page 8

    Power Mac G4 (Mirrored Drive Doors/FW 800) Power Supply - 8 13. Slide the pow er supply f orw ard and remov e the power supply and cable harness from the computer . (Figure 12) Figure 12[...]

  • Page 9

    Power Mac G4 (Mirrored Drive Doors/FW 800) Power Supply - 9 Installing the Replacement P ower Supply 1. Install the replacement pow er supply . Replacement Note: When rerouting the cable harness, make sure • connectors P4 and P5 are routed inside the front drive carrier • connectors P2 and P3 are routed so they can reach drives in the back driv[...]

  • Page 10

    Power Mac G4 (Mirrored Drive Doors/FW 800) Power Supply - 10 2. Reinstall the f an. Replacement Note: Align the fan with the three latches in the drive shelf and slide straight down until you feel the fan lock into place. (Figure 14) Figure 14 Replacement Note: Route the fan cable under the ribbon cable and over the narrower flex cable, as shown. ([...]

  • Page 11

    Power Mac G4 (Mirrored Drive Doors/FW 800) Power Supply - 11 3. Reinstall the optical drive carrier . Replacement Note: Before sliding the carrier back onto the optical drive shelf, make sure the power cable bundle at the side panel are routed in the recessed channel. (Figure 16) Figure 16 Replacement Note: When sliding the carrier back onto the op[...]

  • Page 12

    Power Mac G4 (Mirrored Drive Doors/FW 800) Power Supply - 12 Replacement Note: Before sliding the rear panel back onto the carrier, make sure the top lip of the panel engages with the top edge of the drive carrier. W arning: Be careful not to pinch the power cable between the panel and the carrier. (Figure 18) Figure 18[...]

  • Page 13

    Power Mac G4 (Mirrored Drive Doors/FW 800) Power Supply - 13 Closing the Computer 1. Raise the side access panel, lift the latch, and press the panel against the case until it snaps securely into place. 2. Reconnect all cables and restart your computer . W arning: Never turn on your computer unless all of its internal and e xternal parts are in pla[...]