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2. WIRING
2-45
2.9.2 Trackball control unit (RCU-026)
1. Unfasten four binding screws (M3x8) from the bottom of the control unit, and a pan
head screw (M3x8) and flat washer from the back of the control unit to remove the
cover.
Note: Be careful not to add stress to the cables connected to the control unit board
when removing the cover.
2. Remove the cable clamp from the control unit, then disconnect the control unit ca-
ble from the J1 connector.
3. Pull out the control unit cable from the cover.
4. Pass the optional cable assy (6TPSH-XH12X2-LxxSP2) through the cable hole on
the cover.
Binding screw (M3x8)
Control unit
cable
Control unit cover
Pan head screw
and flat washer
Cable clamp
Disconnect this connector.
J1 connector
Binding screw
Cable assy
(6TPSH-XH12X2-LxxSP2)