Yamaha SIGMA-G5SII Service Information page 125

(7) Arrange wiring for the power cable and CPU1 connecting cable in this order to
complete the work.
CPU Section
Front Layout
Fig.D15
Then, the change procedure closes. Turn ON the power and make sure that the
system is operated normally.
Service Information
There is a plate on the front lower section of
CPU1 BOX, where the wiring destination is
printed. Connect the cables referring to the
above plate (Refer to Fig. D15).
Note:
There are three types of CPU. Before wiring,
check the board type (Refer to Chapter 5).
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