IBM Aptiva 2134, Hardware Maintenance Service

Page: 194 / 266

Power Supply Cable Connector Specifications
Refer to the following figures when checking for voltages on power supply
cable connectors.
When checking voltages, the power supply fan must be running. To
power-on the power supply without using the on/off switch, use a screwdriver
or other tool to connect pins 2 and 3 on connector J30 (with the switch cable
plug disconnected from the connector on the system board).
1 2 3
Figure 5-7. Connector J30 on System Board
–
PWR
GOOD
– +
3
.7
5 t
o
6
.2
5 V d
c
– +
9
t
o
1
5
V d
c
– -
9
t
o
-
1
5 V d
c
GN
D
– -
3
.7
5 t
o
-
6
.2
5 V d
c
– +
3
.7
5 t
o
6
.2
5 V d
c
Pin
1
Pin
12
Figure 5-8. System Board Power Supply Connectors (J8 Bottom View)
5-8