Apple G4 manual

Models: G4

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Troubleshooting

General/ Power Supply Verification - 29

 

 

5.Start up the computer by pressing the power button on the front of the computer. Note: Verify that the power cable is plugged into connector J30.

If the computer starts up normally, the power supply is OK. If the computer does not start up normally, go to the next step.

6.Check to see if the power supply fan is spinning. If it is not, replace the power supply. If it is spinning, go to the next step.

7.Connect the black lead of the volt meter to pin 16 of the power supply connector for AGP and PCI models or pin 11 for Gigabit Ethernet/Digital Audio/QuickSilver/QuickSilver 2002 mod- els. Connect the red lead of the volt meter to pin 1 of the power supply connector. The volt meter should measure approxi- mately +3.3V.

If you do not get a reading of +3.3V, re-check the volt meter connections and measure the voltage again. If voltage is still

Page 227
Image 227
Apple G4 manual