Pioneer YPM-MG2196ZF Service Manual page 67

2 Elevation
a)The Cam gear rotates to the elevation OK position.
b)The ELV motor rotates to slide the elevation lever via
the gears.
c)The 2 elevation levers (left and right) can synchronize
their sliding via the joint arm.
d)The shafts of the Stage Mech Assy engage with the
stair-like grooves in the elevation levers and the verti-
ELV motor
Photo interrupter
Elevation lever
ELV
HOME switch
3 Elevation Detection
a)The elevation detection (slit count) is performed by
the photo interrupter.
b)After the elevation HOME switch is turned ON, the
photo interrupter counts the slits of the elevation
levers.
* The bottom position (the 1st stage) is detected when
the ELV HOME switch is turned on (not detected by
the photo interrupter).
joint arm
Elevation lever
cal holes in the Main chassis via the rollers.
e) When the elevation levers slide, the Stage Mech Assy
moves up and down.
Fig. 23
YPM-MG2196ZF
67