Panasonic SJ-MJ55GH Service Manual page 33

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14.2. IC101 (C1BB00000729): DIGITAL SERVO PROCESSOR
Pin Mark I/O
No. Division
1 VDD I Power supply input
terminal
2 SLCO O HF signal slicing level
output terminal
3 SLCISET I Slicing level adjustment
bias resistor input terminal
4 EFMIN I HF signal input terminal
5 TEST1 I Test terminal / (Connected
to power supply)
6 RESET B I System reset input terminal
7 HFL I Ttack detection signal
input terminal
8 PDO O VCEC current charge pump
output terminal
9 VCVDD — Power supply input
terminal for VCEC
10 FR I VCEC oscillation frequency
bias resistor input terminal
(Connected to GND
through reistor)
11 ISET I VCEC current charge pump
bias resistor input terminal
(Connected to GND
through reistor)
12 VCVSS — GND terminal
13 AVDD1 — Power supply input
terminal
14 PEAK I Peak signal input terminal
15 FF1 I Focus error signal input
terminal
16 FF2 I Focus error signal input
terminal
17 AA I LNP error signal input
terminal
18 BB I LNP error signal input
terminal
19 CC I Tracking error signal input
terminal
20 DD I Tracking error signal input
terminal
Function