Service manual

2-4 Samsung Electronics
CD
FC2
FC1
Vin
Vo2
Gnd
Vcc
Vo1
18
27
36
45
(Top View)
PIN CONNECTIONS
Block Diagram Simplified Application
Audio
Input
Cj
0.1
Ri
3.0k
C2*
5.0uF
C1
1.0uF
Rf
75k
Vin
FC1
4
3
6
5
8
7
#2
_
+
#1
_
+
2
50k
This device contains 45 active transistors.
Rf
Rj
*=Optional
Differential Gian=2 x
50k
125k
FC2
1
Vcc
Vo1
Vo2
Speaker
CD
GND
Bias
Circuit
MC34119
Chip
Disable
8
1
8
8
1
1
P SUFFIX
PLASTIC PACKAGE
CASE 626
D SUFFIX
PLASTIC PACKAGE
CASE 751
(SO-8)
DTB SUFFIX
PLASTIC PACKAGE
CASE 948J
(TSSOP)
14DIP
BLOCK DIAGRAM
14SOP
1
1
OUT2
OUT1
Vcc
IN1(-)
IN2(-)
IN1(+)
+
_
+
_
+
_
+
_
IN2(+)
1
2
3
4
5
6
7
14
13
12
11
10
9
8