Philips SD-5.31SL Service Manual page 57

Circuit Descriptions, List of Abbreviations, and IC Data Sheets
9.5.2
BA6849FP (IC7101)
2
A3
A2 4
A1 7
GND 8
+ 9
H
1
- 10
H
1
+ 11
H
2
- 12
H
2
+ 13
H
3
- 14
H
3
DRIVER
GAIN
CONTROL
TL
HALL AMP
Figure 9-15 Internal Block Diagram and Pin Layout
TSD
R Q
D
CK Q
HALL BIAS
SD-5.31SL 9.
28
27
CURRENT
SENSE AMP.
26
25
V
CC
24
23
PS
TORQUE
SENSE AMP
22
V 21
CC
20
18
SHORT BRAKE
17
15
CL 36532043_030.eps
220503
EN 57
R
NF
V
M1
V
M2
V
CC
FG
PS
E
C
E
CR
FR
SB
C
NF
V
H