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IC3001 VIDEO/AUDIO SIGNAL PROCESS / HEAD AMP IC- DETAIL BLOCK DIAGRAM, MN13400A
30
29
28
27
VCC
DOP
S-VHS
DET
DET
ENV
DET
S-VHS
DOUBLE
31
PEAKING
LIMITER
BPF &
VHS
GAIN CTL AMP
32
GND
FM
LPF
DEMODULATOR
33
34
35
36
VCC
37
38
L
R
39
40
SP
41
GND
LP/SLP
42
43
R
L
44
45
46
VCC
47
VCC
48
49
50
REC
-OFF
51
52
53
54
26
25
24
23
22
21
20
19
18
17
GND
DET
AT ENV
PHASE
8MHz
INT
DET
TRAP
COMPENSATOR
EE
PB:OFF
EXT
VV
Y/C
MIX
RF
AGC
629KHz
MAIN
TRAP
DE-EMPHASIS
COLOR
KILLER SW
ENV
DET
PB
REC
SP
LP/SLP
D-REC
ON
fH
AGC
Trap
VV
EE
REC
AMP
REC
SLP
-ON
-ON
SP/LP
-ON
PB AMP
GND
VCC
55
56
57
58
59
60
61
62
63
64
16
15
14
13
12
11
10
9
8
GND
YNR
W/D
CLIP
MAIN
EMPHASIS
FM
MODULATOR
DOC
SW
YNR
ON
OFF
MIX
EE
VV
CLAMP
GCA DET
CLAMP
VV
EE
HPF
HPF
DELAY
LIMITER
LIMITER
LPF
VV
EE
NON LINEAR
NON LINEAR
ANR
DE-EMPHASIS
EMPHASIS
VV
EE
REC
PB
ACC
R F
I N
PB
SUB
MAIN
LPF
CONV
REC
LPF
AMP
COLOR
APC
KILLER
629KHz
REC
DETECTOR
LPF
SP
1/40
AGC
DET
LP/SLP
SUB
FREQUENCY
4Phase
select
COMB
DET
REC
SP
PB
ROTARY
BPF
1/4
Side
AFC
Lock
LP/SLP
+
1/4
-1
EE
VV
VCO
1/2
GND
GND
VCC
65
66
67
68
69
70
71
72
73
7
6
5
4
3
2
1
V-REG
VCC
GCA
MUTE
LPF
ATT
TUNER
100
ARTFICIAL
ATT
V/H
LINE 1
SYNC MIX
CLAMP
ATT
99
LINE 2
Y/C
MIX
98
AGC DET
97
CLAMP
AGC
96
SYNC
95
SEPARATION
VV
EE
94
93
92
PB
ACC
REC
91
DET
90
REC
REC
PB
MAIN
89
CONV
88
PB
REC
I
2
C
LPF
BUS
87
PB
PB
REC
86
GCA
DET
85
+
CCD
COMB
CHROMA
LPF
AMP
PHASE
VCC
84
COMPENSATOR
+
Busrst up/down
CNR
83
LP/SLP
SP
4.8MHz
3.58MHz
COMPOSITE
82
TRAP
BPF
COMPONENT
81
PB
REC
ATT
FSC
2FSC
COMPONENT
BPF
X2
VXO
COMPOSITE
74
75
76
77
78
79
80
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