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When all four screws are removed from the front panel, guide the ribbon cables connecting it to the main chassis, and gently pull it toward you about 2 inches, and lay it down. . Remember to replace them when re-assembling your MR85.
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5. There are eight lamps that illuminate the front panel and these must be removed at this time. To do so you will need a ¼” straight bladed screwdriver. Turn them about ¼ turn counterclockwise and lift them out. There are a few that are buried under the ribbon cables.
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8. Attach the power supply to the threaded standoff, using the screw that was removed in the previous step. Use the larger hole in the power supply for attachment. See fig. 4. 9. Install the master lamp in the lamp 1 socket as shown in figure 4. To do this just place the lamp in the socket, with the flat side of the four pin connector facing you and the black indicator facing right.
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1/8th turn. Black indicator should now face the 5 o’clock position. 10. Install the seven lamps that are attached to the power supply, in the grommets that were installed in step 6. Slide the lamps into the grommets until the blue lamp socket contacts the grommet. Firmly press down on the blue connector while you wiggle the connector in a circular motion.
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12. Very carefully, prop the front panel up against the chassis, taking care to not to crush any of the wires, and power-up the MR85. Check to see that all LED’s are illuminating. If there are one or more that are not, remove power from the unit and check all connections.