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IC9001 MTS/SAP AUDIO PROCESS IC-DETAIL BLOCK DIAGRAM, CXA2064M
30
29
28
27
26
25
VARIABLE
DE-EMPH.
RMS
DET.
SAP
AMP
DE-EMPH.
MTS
HPF
LPF
LPF
SAP
LPF
BPF
DET.
NOISE
DET.
LPF
VCC
GND
1
2
3
4
5
6
24
23
22
21
20
19
18
MATRIX
MODE DISPLAY
VCA
RMS
DET.
SAP
INDICATOR
DEMODULATOR
PILOT
CANCEL
LPF
IREF
MTS/SAP
PLL
DET.
7
8
9
10
11
12
13
IC4201 Hi-Fi AUDIO PROCESS IC-BLOCK DIAGRAM, AN3962FB-V
REC AUDIO SIGNAL
17
16
AMP
37
L+R
AMP
38
L
+12V
39
RF AGC
40
DETECTOR
RF AGC
41
AUDIO MUTE
42
43
44
45
AMP
LPF
46
AMP
47
14
15
48
36
35
34
33
32
31
30
29
+5V
FM
LINE
DVD
TUNER
(R-CH)
NOISE REDUCTION
/COMPRESSOR
/EXPANDER
PB
SWITCHING NOISE
COMPENSATOR
REC
MUTE
Hi-Fi
R
MIX
L
R
NORMAL
+
NORMAL
MUTE
REC
L
MIX
L
SWITCHING NOISE
R
Hi-Fi
COMPENSATOR
PB
NOISE REDUCTION
/COMPRESSOR
/EXPANDER
(L-CH)
TUNER
LINE
DVD
FM
V-REF
+5V
1
2
3
4
5
6
7
8
REC AUDIO SIGNAL
PB AUDIO SIGNAL
28
27
26
25
VCO
REC LPF
24
PB LPF
AUDIO
23
MUTE(H)
1.7MHz
LIMITER
PC
22
BPF
BPF
SW
21
NOISE
FM
DETECTOR
20
LIMITER
GND
19
HOLD
18
TIMING
R
L
17
I C
2
1.3MHz
BUS
LIMITER
PC
BPF
16
PB
PB LPF
15
+
REC
VCO
REC LPF
14
13
9
10
11
12
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