Sharp DV-S2U Service Manual - Page 48

SYSTEM CONTROL TIMING CHARTS, Tray close ~ Play / Play ~ Tray open

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SYSTEM CONTROL TIMING CHARTS Tray close ~ Play / Play ~ Tray open Eject key on Tray close Disc Play Rotation LSW2 0V LSW1 +5V +6V LM- 0V +6V LM+ 0V +2V I/o 0V (TL123) +5V SP 0V ( TP122 ) +2V Tv 0V ( TL122 ) 4.4s 2.0s 1.2s 1.7s Eject key on Tray open 700ms 1-13-1 DVDTI

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1-13-1
DVDTI
SYSTEM CONTROL TIMING CHARTS
LSW2
LSW1
LM-
LM+
I/o
(TL123)
SP
( TP122 )
Tv
( TL122 )
0V
+5V
0V
Tray close
Tray open
Tray close ~ Play / Play ~ Tray open
Play
0V
Eject key on
+6V
+2V
+5V
0V
Disc
Rotation
Eject key on
+2V
2.0s
0V
+6V
4.4s
1.2s
700ms
1.7s
0V