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DP-7020
CIRCUIT DESCRIPTION
@
Focus search & focus servo ON
START
initialization of
CXA1244S,
CXD11650
1.2 sec,
elapsed?
NO
SENSE:
"H" continues 0.5msec
on FOK:"H"?
YES
Focus
servo ON
Disc motor
ON
18
DP-7020
CIRCUIT DESCRIPTION
@ Tracking servo ON
START
Tracking servo
ON
Ve FOK terminat
YES
3 sec.
elapsed?
NO
12 GFS terminal
11 FOK terminal
®
Disc motor STOP
START
YES
Disc motor
Dise motor
brake
stop
(5) terminal
("SENSE")
YES
200ms WAIT
2 sec,
elapsed?
YES
Disc motor
stop
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