Page 8 of AM/FM Tuner Module by McIntosh Laboratory, Inc.

c45 removing covers 1 remove all connecting cables from the rear panel of the c45 audio control center 2 remove two screws from each side and two screws from the back that secure the top cover to the c45 3 lift off the top cover by grasping the rear sides of the top cover and lifting up and away from the c45 4 remove the inside connector cover which is secured with two phillips head screws and is located on the rear panel refer to figures 18 19 and 20 note retain the two screws as they will be used later to install the am/fm tuner module cover screws figure 18 installing the cables and module 5 locate the three supplied ribbon cables from the shipping carton and attach the plug of the six conductor ribbon cable to the six pin socket j23 as indicated on the c45 main pc board refer to figure 1 rear panel inside on page 3 figures 20 and 21 on this page note the six pin cable plug and pc board socket are keyed to attach only in one direction do not force it on backward 9 remove the am/fm tuner module from the anti-static bag refer to figure 1 on page 3 10 orient the module so the f connecrear panel openings tor that is at the bottom of the module will fit through the lower opening of the c45 rear panel the cover was previously removed in step 4 and the three pc connections j23 board connectors for ribbon are facing up refer j22 cables to figures 21 and j21 22 11 secure the module figure 20 to the c45 rear panel with the two phillips head screws that were previously removed from the rear panel in step 4 12 attach the plug of the six conductor ribbon cable coming from the six pin socket j23 as indicated on the c45 main pc board to the six pin socket of the module which is located closest to the c45 rear panel refer to figure 23 note the six pin cable plug and pc board socket are keyed to attach only in one direction do not force it on backward 13 in a similar fashion attach the plug of the four conductor ribbon cable coming from the four pin socket j22 as indicated on the c45 data pc board to the cables connected to main pc board 6 in a similar fashion attach the plug of the four conductor ribbon cable to the four pin pc board socket j22 and the plug figure 19 of the seven conductor ribbon cable to the seven pin socket j21 7 relocate the free ends of the previously installed cables and rotate them over the top and to the right of the attached cable ends refer to figure 21 8 locate the am/fm tuner module in the anti-static bag there is a tm1 serial number label attached to the outside of the bag refer to figure 1 on page 3 remove the label from the bag and attached it to the rear panel of the c45 below the opening labeled raa1 am ant din connector refer to figure 22 8 j23 j22 j21 figure 21

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