DV-560H. DV560H Technical Manual - Sharp DVD Service Manual (repair manual). Page 40

Condition of working

Tray Initial (Mode 3) MECHASW = “L”, SW2A = “H”

Working Mode

Tray 1 open or opening 

_

 Power turned on 

_

 Tray 1 close

MECHASW

SW2A

LOAD ( + )

LOAD ( – )

*1. Point of turning on the power (Point of loading start)
*2.Recognition time of SW2A”L”
*3. Short break time for loading motor (During this time, 100mS period after 50mS passes, overrun check for motor stop

position is performed.  If SW2A turns to “H” during this time, reverse pulse drive is operated.  When SW2A turns to “L”
again, it goes back to Break Mode.  This action will be repeated a maximum of 3 times.)

*4. Waiting time before moving to the next mode.

Condition of working

Tray Initial (Mode 4) MECHASW = “L”, SW2A = “H”

Working Mode

PICKMECHA moving 

_ 

Power turned on

_

 PICKMECHA  moves from the Tray 2 to the Tray 1 side to detect MECHASW “H”

MECHASW

SW2A

LOAD ( + )

LOAD ( – )

*1. Point of turning on the power (Point of PICKMECHA to start moving)
*2. Recognition of MECHASW “H”
*3. Short break time for loading motor
*4. Recognition of MECHASW “L”
*5. Recognition time of SW2A”L”
*6. Short break time for loading motor (During this time, 100mS period after 50mS passes, overrun check for motor stop

position is performed.  If SW2A turns to “H” during this time, forward pulse drive is operated.  When SW2A turns to “L”
again, it goes back to Break Mode.  This action will be repeated a maximum of 3 times.)

*7. Waiting time before moving to the next mode.

100ms

14ms

150ms

6ms

∗ 

2

∗ 

3

∗ 

4

∗ 

1

100ms

50ms

14ms

6ms

6ms

14ms

150ms

∗ 

2

∗ 

3

∗ 

7

∗ 

4

∗ 

5

∗ 

6

∗ 

1