Panasonic CRS1, Service Manual

Page: 15 / 102

Switching
Position
Initial Motor Direction Switching
Mode
Initial Motor Direction Function
Home
Position
Cam gear rotate CCW to HOME
Motor :
CCW
C UD base move from bottom to top
Motor :
CW
Tray selection from bottom
to top
Cam gear rotate CCW to HOME
Motor :
CCW
D UD base move from top to bottom
Motor :
CCW
Tray selection from top to
bottom
UD base move from bottom to top
Motor :
CW
E Cam gear rotate CW from HOME to
Play Driving Position. Motor :
CW
After tray selection, cam
gear rotate to Play Driving
Position
UD base move from top to bottom
Motor :
CCW
G Cam gear rotate CW from HOME to
Play Driving Position. Motor :
CW
After tray selection, cam
gear rotate to Play Driving
Position
Play
Driving
Position
Cam gear rotate CW from HOME to Play
Driving Position. Motor :
CW
A Drive tray from STOCK position to
PLAY position. Motor :
CW
Load tray to Play
Cam gear rotate CW from HOME to Play
Driving Position. Motor :
CW
B Drive tray from PLAY position to
STOCK position. Motor :
CCW
Unload tray from Play to
Stock
Drive tray from STOCK position to PLAY
position. Motor :
CW
F Cam gear rotate CCW from Play
Driving Position to HOME. Motor :
CCW
After load tray to Play, cam
gear return to HOME
Drive tray from PLAY position to STOCK
position. Motor :
CCW
H Cam gear rotate CCW from Play
Driving Position to HOME. Motor :
CCW
After unload tray from Play,
cam gear return to HOME
Drive tray from PLAY position to STOCK
position. Motor :
CCW
G Cam gear rotate CW from until trays full
open. Motor :
CW
Open trays while one tray
Play
·
Switching mode G is used during initialization to ensure that the switching gear is at the release (down) condition before the
initialization process begins.
3.7. Initialization of Mechanism Unit.
· Mechanism Initialization -- This mechanism is designed to operate & set to a pre-defined position to prevent malfunction when
unavoidable circumstances happen. For examples: user mis-handling during transportaion or abnormal user operations.This is
comply to the product shipping reliability standards.
· Mechanism is initialized when the mechanism controller is unable to detect the present condition/state of mechanism. For
example, when the microcomputer carries out a cold start. (In complete unit)
· Once the initialization process is completed, the mechanism unit is set to this condition:-
1. Tray 1 is at PLAY position (Top tray)
2. The traverse unit is at clamping condition (PLAY SW-L)
3. All the remaining trays are in STOCK Position (Trays 2 ~ 5 )
4. Plunger lever at release condition
5. Cam gear is at Home position ( HOME SW-L)
6. Motor is free (CW-L, CCW-L)
Note: This is same as shipment condition. (In complete unit)
·
Below is the flow chart of the initialization process:-
15
CRS1