Panasonic SJ-MJ88, Service Manual

Page: 53 / 62

Pin
No.
Mark I/O
Division
Function
1 IN1R I H bridge 1 reverse input
terminal
2 IN2F I H bridge 2 forward input
terminal
3 IN2R I H bridge 2 reverse input
terminal
4 STALL I Standby input terminal
5 STHB I H1, H2 bridge mute input
terminal
6 SPVM1 I Spindle power unit’s power
supply 1
7 SPUOUT O Spindle motor coil (U)
output terminal
8 SPPG1 — Spindle power unit’s GND1
9 NC — Not used, open
10 SPVOUT O Spindle motor coil (V)
output terminal
11 SPVM2 I Spindle power unit’s power
supply 2
12 SPWOUT O Spindle motor coil (W)
output terminal
13 SPPG2 — Spindle power unit’s GND2
14 PWVM I Half bridge power unit’s
power supply
15 PWOUT O Half bridge output terminal
16 PWPG — Half bridge power unit’s
GND
17 PWIN1 I Half bridge1 input terminal
53