Removal and Installation Procedures
Output Connectors
Circuit Board
Removal
The Output Connectors circuit board is located at the front of the power sup-
ply. See Figure 6-6 for the location of the Output Connectors circuit board. To
aid in locating the connectors referred to in this procedure, see Figure 9-1 in
the Diagrams section. The removal of other circuit boards is not necessary to
perform this procedure.
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Remember to label each connector as you disconnect them.
1.
Unplug connectors J106,
J4041,
J402, and J306 from the Master circuit
2.
Pull off the plastic cover over the power switch, located at the bottom left
of the front panel. This can be done by carefully prying the power switch
cover off with a small flat-blade screwdriver.
3. Remove the two screws securing the power switch.
4.
Remove the two screws that secure the entire front panel to the bottom
chassis of the power supply.
5. Slide the front panel forward, away from the bottom chassis.
6. Unplug the green ground wire from the chassis connector.
7. Remove the six tread forming screws securing the circuit board to the front
8. Installation of the Output Connectors circuit board is done in the reverse
PS280
& PS283 Laboratory DC Power Supply Module-Level Service Manual
REV AUG
1991
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