Sanyo RB-7201 Service Manual page 45

IC BLOCK DIAGRAM & DESCRIPTION
IC602 BA6849FP(CD-ROM Motor Driver)
A3
2
A2
4
A1 TL
7
GND
8
HALL AMP
+
H1+
9
-
+
H1-
10
-
+
H2+
11
-
+
H2-
12
-
H3+
13 +
-
H3-
14
Pin No. Name
1 N.C.
2 A
3
3 N.C.
4 A
2
5 N.C.
6 N.C.
7 A
1
8 GND
9 H
1+
10 H
1-
11 H
2+
12 H
2-
13 H
3+
14 H
3-
DRIVER
TSD
CURRENT
SENSE AMP
GAIN
CONTROL
+ -
TORQUE
SENSE AMP
V
D R Q
Q
CK
SHORT BRAKE
Hall bias
Description
Output
Output
Output
GND
Hall signsl input
Hall signal input
Hall signal input
Hall signal input
Hall signal input
Hall signal input
RNF
28
N.C.
VM1
27
N.C.
VM2
26
V
CC
N.C.
VCC
25
N.C.
FG
24
PS
PS 23
EC
22
+
-
ECR
21
CC
GND
FR
20
SB
18
CNF
17
VH
15
Pin No. Name
15 VH
16
N.C.
17 C
18 SB
19 N.C.
20 FR
21 E
22 E
23 PS
24 FG
25 V
26 V
27 V
28 R
- 62 -
A
3
A
2
A
1
H
1+
H
1-
H
2+
H
2-
H
3+
H
3
Description
Hall vias
Phase compensation condenser
NF
Short brake
Rotation detection
Output voltage control referrence
CR
Output voltage control
C
Power save
FG signal output
Power source
CC
Motor power source 2
M2
Motor power source 1
M1
Resistance(output current detection) connect
NF
R
XF
V 1
M
V 2
M
V
CC
FG
PS
E
C
E
CR
FR
N.C.
SB
C
NF
N.C.
V
H