Pin
Voltage (V dc)
1
Ground
2
0
3
+5
1 2
3 (5V)
Note: The output voltage across pin 3 of the power cord might be different from the one you are
servicing.
3. If the voltage is not correct, replace the power cord.
4. If the voltage is acceptable, replace the system board.
Chapter 3
.
General checkout
25