Sega INITIAL "D" TYPE TWIN. - Manual (Page 71)

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11-1 REMOVING THE CONTROL PANEL
Poor handle response/lack of response when adjusting the Volume in Test Mode may be caused
by faulty Volume alignment and/or a damaged Volume.
Follow the instructions below to adjust the gear alignment and/or replace the Volume.
If the Volume Shaft is rotating within its normal area of mobility, there is little chance the
Volume can be damaged by rotating the handle as far as possible to the left/right. With the handle
in the center position, i.e. straight, and the Volume Shaft in the same direction shown in the
diagram, attach the Volume so that it aligns properly with the gears. In order to adjust or replace
the Volume, follow the instructions below to remove the Control Panel.
A 5 mm hexagonal wrench is required for the following procedure.
 Turn off the power.
 Remove the 6 hexagon socket screws from the Control Panel.
 Unplug the 5 connectors and
remove the Control Panel. Be
careful not to damage any of the
wiring.
HEXAGON SOCKET SCREW (total 6), black
PHOTO 11. 1 a
PHOTO 11. 1 b
CONNECTOR (5)
BROWN: 4P
YELLOW: 10P,12P
RED: 3P,6P