Appendix; System Control Timing Charts - Hitachi DV-P543U Service Manual

6

APPENDIX

6-1 SYSTEM CONTROL TIMING CHARTS

Tray Close ~ Play / Play ~ Tray Open
3.3V
Tray IN
(TL221)
0V
Sled Drive
1.65V
(TP303)
0V
1.65V
Disc Drive
(TP301)
0V
1.65V
Focus Drive
(TP304)
0V
Tracking Drive 1.65V
(TP302)
0V
Tray Disc
Close Rotation
Play
6-1
Disc Tray
Stop Open