Ricoh M0A0 Service Manual page 158

4.Replacement and Adjustment
4. Disconnect the speaker connector and remove the FCU board [A] with the bracket.
5.
Change the orientation of the battery jumper switch [A] on the removed FCU board [B], and then attach the
battery jumper switch [C]. The battery jumper switch [C] comes with the new FCU board.
6.
Change the orientation of the battery jumper switch [A] on the new FCU board [B].
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