Pioneer CX-3195 Руководство по эксплуатации - Страница 9
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Output from FD terminal
FE controlling signals
FSS bit of SRVSTS1 resistor
Fig.1.2.2 Timing chart for focus close operations
1.2.2 Tracking servo system
The main equalizer of the tracking servo consists of the digital equalizer block. The figure 1.2.3 shows the block diagram of
the tracking servo system.
IC201 PE5547A
E
132
TE
F
AMP
131
Fig.1.2.3 Block diagram of the tracking servo system
5
6
Search start
A blind period
You can ignore this for blind periods.
RFOK signals
DIG.
A/D
EQ
JUMP
PARAMETERS
6
7
The broken line in the figure is assumed in the
case without focus servo.
The status of focus close is judged from the statuses
of FSS and RFOK after about 10 mS.
IC301 BA5839FP
TD
PWM
CONTROL
110
CX-3195
7
8
TOP
LENS
14
2
TOM
13
8
A
B
C
D
E
F
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