Microprocessor Board Replacement - EDL Displays 6120 Operation And Maintenance Manual

MICROPROCESSOR BOARD REPLACEMENT

P/N 6119-0102-03
Tools Required: 1. Screwdriver, common, straight slot.
REPLACEMENT PROCEDURE
1. Turn a.c. power OFF at front panel.
2. Disconnect the monitor a.c. power cord and the H&V BNC cables on the Logic
Control Board.
3. Unscrew the two captive screws on the Logic Control Board.
4. Remove the Microprocessor Board from its slot.
module connector and the Mother Board mating connector for damage.
5. Carefully insert the replacement Microprocessor Board into its slot making sure the
connector is properly aligned with the mating connector on the Mother Board.
6. Tighten the two captive screws to seat the logic control board and complete the
connection to the Mother Board.
7. Connect the H&V BNC cables to their appropriate connectors and connect the a.c.
power cord.
8. Apply a.c. power and input signals and check the display for proper operation.
NOTE:
When the microprocessor module is replaced all user programmed calibration
parameters will need to be reestablished.
6115 - 6120 Operation and Maintenance Manual
As a precaution, inspect the
©EDL Displays, Inc. January 1997
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