Sony RMT-144A Servise Manual page 102

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3-2. Mecha Check Mode
This is the mode called "Mecha Check" that checks if the mechanical
loads to the mechanism is within the allowable range or not. For the
table, the operating time in each mode is measured for judgment.
For the tray, the time of guide slit is measured for judgment. When
the "Mecha Check" mode is selected, the following menu appears.
### Mecha Check ###
ENTER : MechaInitial
PLAY : All Check
STOP : Table Check
RIGHT : Tray Check (Right)
LEFT : Tray Check (Left)
DISP : Limit Set
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3-2-1. Operation contents
Operation contents of each mode are described below.
• ENTER: MechaInitial
It initializes the mechanism. If the mechanism is not initialized,
pressing any buttons of either [STOP] or [RIGHT] or [LEFT]
activates no operations. In such a case, initialize the mechanism
by executing this command.
• PLAY: All Check
Both of the table and tray are checked in this mode. Operation
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check is performed in the following order starting from
MechaInitial → ChuckUp → TableExOpen → TableExClose →
ChuckDown → TableOpen → TableClose → TrayRightTurn →
TrayLeftTurn. Disc sensor is also check at the same time. If a
single disc is present on the tray, OK is judged. In all other cases,
NG is judged.
• STOP: Table Check
Table is checked. Operation check is performed in the following
order starting from ChuckUp → TableExOpen → TableExClose
→ ChuckDown → TableOpen → TableClose.
• RIGHT: Tray Check (Right)
Tray is checked. The tray is rotated by full turn in the clockwise
direction.
• LEFT: Tray Check (Left)
Tray is checked. The tray is rotated by full turn in the counter-
clockwise direction.
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Exit: RETURN
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• DISP: Limit Set
It sets the limit value of each check. When [DISPLAY] is pressed,
the following menu appears.
### Mecha Check ###
Limit Time
1. Load Min
2. Load Max
3. Chuck Min
4. Chuck Max
5. Guide Min
6. Guide Max
Change Number
Limit Time
Each item has the following meaning.
• LoadMin : Lower limit of operating time between TableOpen-
TableClose and between TableExOpen-TableExClose
• LoadMax :Upper limit of operating time between TableOpen-
TableClose and between TableExOpen-TableExClose.
• ChuckMin: Lower limit of operating time between ChuckUp-
ChuckDown.
• ChuckMax:Upper limit of operating time between ChuckUp-
ChuckDown.
• GuideMin: Lower limit of the passing time over the guide slit.
• GuideMax: Upper limit of the passing time over the guide slit.
To change the limit value, select the desired item number by enter
the number from the keyboard. Then enter the data to set. The data
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up to 9999 can be entered. If you press [RETURN] or [ENTER] when
entering the item number, the display returns to the previous menu.
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2000 ms
3000 ms
300 ms
600 ms
120 ms
150 ms
: 1
: 999_
Exit: RETURN
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