Panasonic SJ-MR200 Service Manual page 42

MOTOR DRIVE, SPINDLE MOTOR DRIVE, ROTARY DETECTOR
Pin Mark I/O
No. Division
1 SPWIN I
2 SPCOM I
3 EXTCLK I
4 C1P —
5 C1M —
6 C2P —
7 C2M —
8 VG O
9 SLVM1 I
10 SLUOUT O
11 SLPG1 —
12 SLVOUT O
13 SLVM2 I
14 SLWOUT O
15 SLPG2 —
16 SLCOM I
17 BEMFW O
18 BEMFV O
19 BEMFU O
20 S3 I
21 S2 I
22 S1 I
23 SGND —
Function
Roter position detect
comparater(W) input
terminal
Spindle motor coil center
input terminal
Not used, open
Charge pump capacitor 1(+)
connect terminal
Charge pump capacitor 1(-)
connect terminal
Charge pump capacitor 2(+)
connect terminal
Charge pump capacitor 2(-)
connect terminal
Charge pump output
terminal
Power supply terminal
Stepping motor (U) output
terminal
GND termial
Stepping motor (V) output
terminal
Power supply terminal
Stepping motor (W) output
terminal
GND terminal
Step motor coil center
input terminal
Step detect comparater (W)
output terminal
Step detect comparater (V)
output terminal
Step detect comparater (U)
output terminal
Stepping decorder 3 input
terminal
Stepping decorder 2 input
terminal
Stepping decorder 1 input
terminal
GND terminal
42