Removal Of U95 Led Lighting Control Board - Yamaha SIGMA-G5SII Service Information

4.3.1. Removal of U95 LED Lighting Control Board

(1) Shut down the machine and turn OFF the main breaker.
(2) Loosen the two screws on the servo pack section and pull the board to this side.
Disconnect the four earth wires in this side and disconnect all connectors connected to
the board.
(3) Remove the setscrews for the board from the board mounting panel and remove the
board.
Fig.D27
Fig.D28
Service Information
Loosen the two bolts each in a circle in the left
figure.
Remove the four bolts each in a circle in the
above figure and disconnect the earth wires.
Disconnect all the connectors which have
been plugged into the board.
* Black connectors on the rear side
(Remove the lighting signal line
according to the instructions).
SI1705004E-00=SIGMA-G5SII Service Manual
131/273
For Service Engineer