Marantz SA1/F1N Service Manual page 38

IC503 VHiTB6504F+-1: Stepping Motor Driver (TB6504F)
Pin No. Terminal Name
1 CK1 Clock signal input
2, 3 M1, M2 Excitation mode set terminal
4 REF IN Output reference value (VNF) set terminal H: VNF=0.5V, L: VNF=0.25V
5* MO Monitor output L: Initial condition
6* NC Not used
7 VCC Logic side power terminal
8 VMB Output side power terminal
9 øB B output
10 PG-B Power ground
11 NFB B channel current detection terminal
12 øB B output
13 øA A output
14* NFA A channel current detection terminal
15 PG-A Power ground
16 øA A output
17 VMA Output side power terminal
18* NC Not used
19 S-GND Signal ground
20 RESET Reset signal input
21 ENABLE Enable signal input
22 OSC Internal oscillation frequency set terminal. Capacitor is externally mounted.
23 CW/CCW Clockwise/counterclockwise input
24 CK2 Clock signal input
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
VCC MO
7 5
M1 2
DECODER
M2 3
ENABLE
RESET
DECODER
CW/CCW 23
CK1 1
+
+
CK2 24
20
RESET
SET CURRENT
VALUE SELECTOR
CIRCUIT
ENABLE 21
22
OSC O S C
DECODER
ENABLE
RESET
DECODER
4
REF IN
+
MAXIMUM
SET CURRENT
CURRENT
VALUE SELECTOR +
SELECTOR
CIRCUIT
CIRCUIT
19 15
SG PG-A
(SIGNAL GROUND) (POWER
GROUND A)
Function
YMA
17
CK1 1
16
¯A
M1 2
BRIDGE
M2 3
13
¯A IA
REF IN
4
DRIVER
MO
5
NC 6
14 NFA
VCC 7
VMB 8
¯B 9
PG-B 10
8 VMB
NFB
11
12 ¯B
BRIDGE
¯B
12
9
¯B IB
DRIVER
11 NFB
10
PG-B
(POWER
GROUND B)
2-19
IC504 RH-iX2842AFZZ: Spindle Motor Driver (IX2842AF)
Terminal
Pin No.
Name
1 PG Power GND terminal
2 H1+ Hall element 1 positive input terminal
3 H1- Hall element 1 negative input terminal
4* NC Not used
5 H2+ Hall element 2 positive input terminal
6 H2- Hall element 2 negative input terminal
7 VH Hall bias terminal
8 H3+ Hall element 3 positive input terminal
9 H3- Hall element 3 negative input terminal
10 SS Start/Stop switching terminal
11* TFLG Thermal protection monitor terminal
12 FG FG signal output terminal
13 BRK Break mode set terminal
14* NC Not used
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
H1+ 2
H1- 3
24 CK2
H2+ 5
23 CW/CCW
H2- 6
22 OSC
ENABLE
21
H3+ 8
RESET
20 DETE-
CTION
H3-
9
S-GND
19
NC
18
VH 7
HALL BIAS
17 VMA
16 ¯A
EA
15 PG-A
EC 18
NFA
14
ECR 17
¯A
13
10
S/S
Terminal
Function Pin No.
Name
15 SG
16 VCC
17 ECR
18 EC
19* NC
20 PCI
21 VM
22 CS1
23* NC
24* NC
25* NC
26 A3
27 A2
28 A1
SG
15
DIRECTION
DETECTION
ER
LOGIC
EP=ER x EA
+ -
ABSOLUTE
VALUE
VTL
START/
THERMAL
BREAK
STOP
PROTECTION
CIRCUIT
CIRCUIT
16 20 13
Vcc PCI BRK
2-20
Function
Signal GND terminal
Power terminal
Torque instruction reference input terminal
Torque instruction input terminal
Not used
Current feedback phase compensating terminal
Motor power terminal
Current detection terminal 1
Not used
Not used
Not used
Drive output 3
Drive output 2
Drive output 1
21
VM
22
CS1
28
A1
27
A2
26
A3
1
PG
FG
12
FG
COMPARATOR
11
TSDF