Page 10 of AM/FM Tuner Module by McIntosh Laboratory, Inc.

mr85 removing covers 1 remove all connecting cables from the rear panel of the mr85 am/fm tuner cover screws 2 remove two screws from each side and two screws from the back that secure the top cover to the mr85 3 lift off the top cover by grasping the rear sides of the top cover and lifting up and away from the mr85 4 remove the inside connector cover which is secured with two phillips head screws and is located on the rear panel refer to figures 27 and figure 27 28 note retain the two screws as they will be used later to install the am/fm tuner module installing the cables and module 5 locate the three supplied ribbon cables from the shipping carton and attach the plug of rear the six conductor ribbon cable to panel the six pin pc board socket j3 as inside indicated on the mr85 main pc board refer to figure 1 on page 3 and figures 29 31 note the six pin cable plug and pc board socket are keyed to attach only in one direction do not force it on backward 6 in a similar fashion attach the plug figure 28 of the four conductor ribbon rear panel openings cable to the four pin j2 and the plug of the seven conductor ribbon cable to the seven pin socket j1 7 relocate the free ends of the previj3 ously installed connections j2 cables and rotate for ribbon cables them over the top j1 and to the right of the attached main audio cable ends pc board 8 locate the am figure 29 fm tuner module in the anti-static bag there is a tm1 serial num10 ber label attached to the outside tm1 label din of the bag refer to figure 1 on connector page 3 remove the label from the bag and attached it to the rear panel of the mr85 below the opening labeled raa1 am ant din connector refer to figure 30 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 f connector connector that is at the bottom figure 30 of the module will fit through the lower opening of the mr85 rear panel the cover was previously removed in step 4 and the three pc board connectors are facing up refer to figures 29 cables 30 and 32 connected 11 secure the module to to pc the mr85 rear board panel with the two phillips head screws that were figure 31 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 j3 as indicated on the mr85 main pc board to am/fm the six pin socket tuner j3 of the module module which is located closest to the mr85 rear panel refer to figure 32 and 33 note the six pin cable plug and pc board socket figure 32 are keyed to attach only in one direction do not force it on backward.

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