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Control Data Corporation CYBER 180 810 Maintenance And Parts Manual page 108

Computer systems

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c.
Compare reading from the meter with the digital meter to ensure it
is zero percent deviation for the selected logic voltage.
If not,
adjust the corresponding ZERO ADJUST potentiometer below the meter
to indicate zero percent deviation.
d.
Repeat steps a to c for other logic voltages.
POWER SUPPLY INTERFACE MODULE ASSEMBLY
Refer to figure 4-5 find, number 3 for location.
REMOVAL
1.
Remove power from computer cabinet following Computer Cabinet Power
Down procedure steps 1 through 5.
2.
Disconnect 15-position cable connector, 30-pin connector and 12-pin
right angle connector from the assembly.
3.
Dismount power supply interface module assembly from its holding
bracket.
REPLACEMENT
1.
Mount new assembly to its holding bracket.
2.
Reconnect the three connectors to new assembly.
3.
Power up computer cabinet following Computer Cabinet Power Up
procedure steps 3 through 8.
4.
Ensure all switches on the assembly are positioned as required.
POWER CONTROL MODULE ASSEMBLY
Refer to figure 4-5, find number 4 for locatfon.
REMOVAL
1.
Remove power from computer cabinet by following Computer Cabinet Power
Down procedure steps 1 through 5.
2.
Disconnect four cable connectors.
3.
Dismount power control module assembly from its holding bracket.
6-14
60469500 A

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