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IC3001 VIDEO/AUDIO SIGNAL PROCESS / HEAD AMP IC- DETAIL BLOCK DIAGRAM
30
29
28
27
26
25
24
23
VCC
DOP
DET
S-VHS
PHASE
8MHz
DET
DET
TRAP
COMPENSATOR
ENV
DET
S-VHS
DOUBLE
31
PEAKING
LIMITER
RF
BPF &
AGC
VHS
GAIN CTL AMP
629KHz
TRAP
32
GND
FM
LPF
DEMODULATOR
33
34
35
36
VCC
ENV
DET
37
38
L
PB
REC
R
39
SP
40
LP/SLP
SP
41
GND
LP/SLP
42
43
D-REC
R
ON
L
44
45
46
VCC
47
VCC
48
49
50
SP/LP
-ON
PB AMP
REC
-OFF
51
52
53
54
55
56
57
58
22
21
20
19
18
17
16
15
14
GND
AT ENV
INT
DET
EE
W/D
CLIP
PB:OFF
EXT
VV
Y/C
FM
MIX
MODULATOR
MAIN
DE-EMPHASIS
CLAMP
COLOR
KILLER SW
HPF
LIMITER
VV
EE
ANR
APC
1/40
AGC
DET
fH
SUB
FREQUENCY
AGC
Trap
COMB
VV
EE
REC
ROTARY
AMP
1/4
REC
SLP
1/4
-1
-ON
-ON
VCO
GND
VCC
VCC
59
60
61
62
63
64
65
66
67
NOTE:
PARTS ENCLOSED IN DASHED LINES MARKED "PT" ARE NOT USED.
REC VIDEO SIGNAL
PB VIDEO SIGNAL
REC AUDIO SIGNAL
13
12
11
10
9
8
7
6
5
4
GND
GCA
YNR
MAIN
MUTE
EMPHASIS
LPF
ARTFICIAL
DOC
V/H
SW
SYNC MIX
CLAMP
YNR
ON
OFF
MIX
Y/C
EE
VV
CLAMP
MIX
GCA DET
VV
EE
HPF
CLAMP
DELAY
LIMITER
LPF
NON LINEAR
NON LINEAR
DE-EMPHASIS
EMPHASIS
VV
EE
VV
EE
REC
PB
PB
ACC
ACC
REC
DET
R F
I N
PB
REC
REC
PB
SUB
MAIN
MAIN
LPF
CONV
CONV
PB
REC
REC
LPF
LPF
AMP
COLOR
KILLER
629KHz
REC
PB
PB
REC
DETECTOR
LPF
SP
GCA
DET
+
CCD
LP/SLP
LPF
4Phase
DET
select
REC
+
LP/SLP
SP
SP
PB
BPF
Side
AFC
4.8MHz
Lock
TRAP
LP/SLP
+
EE
VV
FSC
2FSC
BPF
X2
1/2
GND
GND
68
69
70
71
72
73
74
75
76
77
NOTE:
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
REFER TO BEGINNING OF SCHEMATIC SECTION.
NOTE: For placing a purchase order of the parts,
be sure to use the part number listed in the parts list.
Do not use the part number on this diagram.
PB AUDIO SIGNAL
3
2
1
V-REG
VCC
ATT
TUNER
100
ATT
LINE 1
ATT
99
LINE 2
98
AGC DET
97
AGC
96
SYNC
95
SEPARATION
94
93
92
91
90
89
88
I
2
C
BUS
87
86
85
COMB
CHROMA
AMP
PHASE
VCC
84
COMPENSATOR
Busrst up/down
CNR
83
3.58MHz
COMPOSITE
82
BPF
COMPONENT
81
PB
REC
ATT
COMPONENT
VXO
COMPOSITE
78
79
80
IC3001 DETAIL BLOCK DIAGRAM
AG-527DVDE
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