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The flow chart and timing chart for unload a disc from PLAY position to STOCK position is as below:
3.12. Selection of Tray by Moving UD base Up/down
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Tray alignment & selection is achieved by UD (up/down) movement, whereas the Mechanism vertically aligns itself to the
selected tray to be driven to PLAY position or STOCK position. The upper most tray is defined as tray 1 and bottom most tray
is defined as tray 5. Counting is achieved by resetting during initialization to the TOP-SW (tray 1) and counting the signal
change by UD-SENSOR.
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Below are the timing chart for UD base tray selection Up/down:
26
CRS1
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