Power Supply Voltages - IBM PS/2 25 SX Hardware Maintenance Reference

3.0 Power Supply Voltages

If the power-on indicator is not on, or if the power-supply fan is not
running, check the power cord for proper installation and continuity.
Verify that the voltage-selector switch is set for the correct voltage.
If these are correct, check the voltages listed in the following figures.
+------------------------------------------------------------------------+
¦ Vdc Minimum ¦
¦ ¦
+-----------------+------------------+-----------------+-----------------¦
¦ + 4.8 ¦
+-----------------+------------------+-----------------+-----------------¦
¦ + 4.8 ¦
+-----------------+------------------+-----------------+-----------------¦
¦ + 4.5 ¦
+-----------------+------------------+-----------------+-----------------¦
¦ +11.5 ¦
+-----------------+------------------+-----------------+-----------------¦
¦ +10.8 ¦
+-----------------+------------------+-----------------+-----------------¦
¦ ¦
+------------------------------------------------------------------------+
If the voltages are not correct, check the power cord for continuity.
the power cord is good, replace the display assembly.
IBM PS/2 Model 25 SX HMR
Power Supply Voltages
PICTURE 2
Vdc Maximum ¦ --Lead
¦ Pin
+ 5.2 ¦ P6-5
+ 5.2 ¦ P6-5
+ 5.4 ¦ P6-9
+12.6 ¦ P6-5
+12.9 ¦ P6-4
¦
¦ Copyright IBM Corp. 1992
3.0 - 1
¦ +Lead Pin ¦
¦ ¦
¦ P6-1 ¦
¦ P6-10 ¦
¦ P6-5 ¦
¦ P6-3 ¦
¦ P6-8 ¦
¦ ¦
If