Samsung SCM-7270 Service Manual page 54

Block Diagrams
9-3-2 CD
KSR1003
A928
* NOTE : KSB564 = 'EBC' TYPE
1
2 3
LB1641/BA6209(MOTOR DRIVER) : SIC1,SIC2,SIC3,NIC1641
LB1641/BA6209
VCC2
P1 OUT1 OUT2
3 2 8 10
5
IN1 Input logic circuit
1
GND
KA9258 : NIC9258
28 27
LEVEL
SHIFT
LEVEL
SHIFT
1 2
9-6
TR
1
E
P2 VCC1
9 7
4
V2
6
IN2
LB1641
26 25 24 23 22
REGULATOR
3 4 5 6 7
3
2
C B
KA9270 : NIC9270
T S D
MUTE
50K
10K
21 20 19 18 17 16
LEVEL
SHIFT
LEVEL
SHIFT
8 9 10 11 12 13
Samsung Electronics
15
14