System Control Timing Charts - Sharp DV-SL8W Service Manual

SYSTEM CONTROL TIMING CHARTS

Tray Close ~ Play / Play ~ Tray Open
3.3V
Tray IN
(R143)
0V
1.65V
Sled Drive
(IC U15 Pin 12)
0V
1.65V
Disc Drive
(IC U15 Pin 18)
0V
1.65V
Focus Drive
(TP19)
0V
1.65V
Tracking Drive
(TP24)
0V
Tray
Disc
Close Rotation
41
Play Tray
Stop
DV-SL8W
Tray
Open