Pioneer CDX-MG6056ZH Service Manual page 82

CX-890
3.4 Disc Clamp
a)The Stage Mech Assy moves up and down to reach
the height of the selected tray, using the elevation
mechanism.
b)The Cam gear rotates clockwise, the Carriage drive
arm rotates, and then the Carriage Mech Assy moves
toward the disc via the Carriage drive shaft.
c)The Cam gear continues rotating clockwise and the
Carriage drive shaft moves the Clamp UP lever. Then
the Clamp arm touching the Clamp UP roller moves
down to clamp the disc.
d)The Cam gear stops when the Clamp switch is turned
ON.
Clamp UP lever
Carriage drive shaft
Carriage drive arm
Clamp switch
3.5 Disc Sense (Initializing)
a)The disc sense operation is to detect if or not a disc is
loaded on the trays 1 to 6.
b)While a disc is inserted using the robber rollers, the
disc pushes the insertion completion switch via the
arm to sense that a disc is loaded.
18
Clamp arm
Clamp UP roller
Carriage Mech Assy
Fig. 24
3.6 Disc Ejection
a)The same operations as the steps a) to e) on "3.1 Disc
insertion" are performed.
b)The rubber roller(s) rotate(s) in the direction for disc
ejection.
c)When the infrared LED light, which has been inter-
rupted by the disc, passes toward the photo transis-
tors, the rubber rollers stops.