Sharp DV-500D Technical Manual page 42

DVD-Series
TRAYMECHA Timing Chart (21)
Condition of working
Working Mode
SW2B
SW2A
SW1A
MECHASW
LOAD ( + )
LOAD ( – )
*1. Point of loading to start with key operation
*2. Active point of SW2B
*3. Recognition time of SW2B"H"
*4. Switching point from high-speed mode to low-speed mode.
*5. Pulse driving (low-speed mode) time
*6. Recognition time of SW2A switching from "L" to "H"
*7. Switching point from low-speed to high-speed mode
*8. Active point of MECHASW
*9. Switching point from high-speed mode to low-speed mode.
*10. Pulse driving (low-speed mode) time
*11. Recognition time of SW1A"L"
*12. Short break time for loading motor (During this time, 100mS period after 50mS passes, overrun check for motor stop
position is performed. If SW1A turns to "H" during this time, reverse pulse drive is operated. When SW1A turns to "L"
again, it goes back to Break Mode. This action will be repeated a maximum of 3 times.)
*13. Waiting time before moving to the next mode.
While Tray 1 is open, MECHAPICK moves from the Tray 2 to the Tray 1
Tray 1 open _ Tray 1 closed _
_ MECHAPICK moves from the Tray 2 to the Tray 1 side
∗ 4
∗ 2 ∗ 3
∗ 1
1200ms
∗ 7 ∗ 9
∗ 5
∗ 6
∗ 8
1200ms
42
∗ 10
∗ 12 ∗ 13
∗ 11
150ms
100ms