JVC XV-S300BK Service Manual page 29

BA6664FM-X(IC251):Spindle motor driver
1.Pin layout
NC 1 28 RNF
A3 2 27 VM
NC 3 26 GSW
A2 4 25 VCC
NC 5 24 FG
NC 6 23 PS
A1 7 22 EC
29 30
GND 8 21 ECR
H1+ 9 20 FR
H1- 10 19 FG2
H2+ 11 18 SB
H2- 12 17 CNF
H3+ 13 16 BR
H3- 14 15 VH
2.Pin function
Symbol
Pin No.
1
NC
2
A3
3
NC
4
A2
5
NC
6
NC
7
A1
8
GND
9
H1+
10
H1-
11
H2+
12
H2-
13
H3+
14
H3-
15
VH
16
BR
17
CNF
18
SB
19
FG2
20
FR
21
ECR
22
EC
23
PS
24
FG
25
VCC
26
GSW
27
VM
28
RNF
29
30
I/O
Non connect
-
Output 3 for spindle motor
O
Non connect
-
Output 2 for spindle motor
O
Non connect
-
Non connect
-
Output 1 for spindle motor
O
Connect to ground
-
Positive input for hall input AMP 1
I
Negative input for hall input AMP 2
I
Positive input for hall input AMP 2
I
I Negative input for hall input AMP 2
I Positive input for hall input AMP 3
I Negative input for hall input AMP 3
I Hall bias terminal
- Non connect
- Capacitor connection pin for phase compensation
O Short brake terminal
- Non connect
- Non connect
Torque control standard voltage input terminal
I
Torque control voltage input terminal
I
Start/stop switch (power save terminal)
O
FG signal output terminal
O
Power supply for signal division
-
Gain switch
O
Power supply for driver division
-
Resistance connection pin for output current sense
O
Connect to ground
-
Connect to ground
-
Description
XV-S300BK/XV-S302SL
1-29