Read Sony CFM-A50 Service Manual online
– 26 –
IC101 MM1315AS
z
IC BLOCK DIAGRAMS
IC1 CXA1611P
24
23
22
21
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
9
10
11
12
REGULATOR
AM•FE
FM•FE
RIPPLE
FILTER
TUNING
METER
DETUNE
DET
FM•IF
DISCRI
AM•IF
DET•AGC
DETUNE DET
CONTROL
VCC
RIPPLE FILTER
DET OUT
AFC AGC
AFC AGC
AM IF OUT
GND
METER
FM IF IN
AM IF IN
FM/AM
BAND SELECT
DETUNE DET
GND
FM DISCRI
AM OSC
AFC
FM OSC
REG OUT
FM RF
AM RF IN
NC
FM RF IN
GND
FM/AM
FE OUT
SW
SW
SW
NC
NC
SW
AUX-IN
LPF-2
ALC
VCC
S VCC
POWER GND
POWER-OUT-A
POP-NOISE-DEL
+
–
+
–
+
–
+
–
+
–
+
–
+
–
+
–
+
–
+
–
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
MIC-IN
POWER GND
RIP-FIL
POWER IN
LIN-OUT
R-VCC
NC
SIG-GND
VBIAS2
VBIAS1
PRE
PRE-IN
HEAD-IN(–)
HEAD-IN(+)
MIC-IN (–)
POWER-OUT-B
21
22
23
24
25
26
27
28
29
30
2
3
5
4
6
7
8
9
10
1
17
18
19
20
11
12
13
14
15
16
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