Ic Block Diagrams - Sony CFM-20L Service Manual

CFM-20L

• IC BLOCK DIAGRAMS

IC1 TA2132AF (EL)
AM RF AM RF
IN IN
16 16
AM
RF
FM RF
1
FM RF
IN
IC101 MM1315BD
30
B+
1
14
FM RF FM RF AM/FM AM/FM FM FM AM AM
OUT OUT SW SW OSC OSC OSC OSC
15 15 14 14 13 13 12 12
FM/AM
FM AM
OSC OSC
FM AM
AGC
MIX MIX
2 3 5
4
RF MIX AGC VCC
GND OUT
29 28 27 26
B+
B+
B+
+
–
B+
B+
+
B+
–
B+
5 6
2 3 4
DET DET
AFC AFC OUT OUT
QUAD
9 9
10 10
11 11
AF
BUFF
FM
DET
AM
DET
FM AM
IF IF
7
6 8
GND
FM IF AM IF
IN IN
25 24 23 22 21
B+
B+
B+
+
–
B+
B+ +
–
8
7 9 10 11
20 19 18 17 16
B+
+
–
+
–
+
–
12 14 15
13