Panasonic SJ-MJ50GH, Service Manual

Page: 58 / 67

Pin
No.
Mark I/O
Division
Function
30 PWM I PWM signal input terminal
(H: Output TR ON)
31 GND — GND terminal
32 FIL O Spindle motor position
detection comparator filter
output terminal
33 COMIN I Spindle motor position
detection comparator filter
input terminal
34 VCOIN I VCO control voltage input
terminal
(Connected to GND
through capacitor)
35 VCO — VCO oscillation output
terminal
(Connected to GND
through capacitor)
36 RMAX — VCO highest frequency
setting input terminal
(Connected to GND
through resistor)
37 IN2R I H bridge (2) logic reverse
input terminal
38 IN2F I H bridge (2) logic forward
input terminal
39 MUTE I H bridge 1,2 and 3-phase
sled mute input terminal
40 VS2 I H bridge (2) motor power
supply input terminal
41 OUT2F O H bridge (2) forward output
terminal
42 OUT2R O H bridge (2) reverse output
terminal
43 PGND1 — GND terminal
44 OUT1R O H bridge (1) reverse output
terminal
45 OUT1F O H bridge (1) forward output
terminal
46 VS1 I H bridge (1) motor power
supply input terminal
47 S/S I Spindle motor block start/
stop input terminal (H:
Start)
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