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IC3001 VIDEO/AUDIO PROCESS IC-DETAIL BLOCK DIAGRAM, AN3479FBP-A
21
20
19
18
17
16
VCC
22
VREG
TUNER
LINE2
23
AGC
LINE1
REC
24
AGC DET
COLOR
PB
KILLER
ARTIFICIAL
Y/C MIX
25
SW
V/H SYNC MIX
CLAMP
GCA
DETECTOR
26
GAIN
27
LPF
CLAMP
CTL AMP
28
GND
ON
YNR
29
OFF
DOC SW
CLAMP
30
HPF
LIMITER
ANR
31
REC
PB
32
HPF
33
34
REC RF
FM
W/D
MAIN
35
EQUALIZER
MODULATOR
CLIP
EMPHASIS
36
37
REC
RF
38
AGC
DOP
ENVE
629KHz
PB
AGC
TRAP
DETECTOR
DETECTOR
39
DET
AT ENVE
REC
DETEC-
AMP
40
TOR
PEAKING BPF
41
/GAIN CTL AMP
Y/C
MIX
REC-ON
8MHz
PHASE
42
GND
TRAP
COMPENSATOR
VCC
45
46
47
48
43
44
REC VIDEO SIGNAL
15
14
12
11
10
13
9
8
2
I C BUS
COMPOSITE
REC
3.58MHz
BURST
ATT
BPF
UP/DOWN
COMPONENT
PB
COMPONENT
COMPOSITE
PB
4.8MHz
ACC DET
TRAP
REC
ACC
SYNC
SEPARATION
PB
MAIN
REC
CONV
REC
REC
DELAY
LPF
GCA
GCA
DET
PB
PB
CCD
LPF
REC
MAIN
CONV
PB
NON LINEAR
DE-EMPHASIS
NON LINEAR
+
LIMITER
EMPHASIS
RF IN
SUB LPF
SP
REC
CLAMP
PB
LP/SLP
MAIN
DE-EMPHASIS
629kHz
COLOR
REC
KILLER SW
AMP
LPF
DOUBLE
FM
LPF
LIMITER
DEMODULATOR
VHS
S-VHS
REC
ROTARY
-OFF
SW
49
52
53
54
55
56
50
51
PB VIDEO SIGNAL
REC AUDIO SIGNAL
PB AUDIO SIGNAL
7
6
5
4
3
2
1
VCC
CNR
CHROMA
PHASE
COMPEN-
SATOR
VXO
2FSC
X2
BPF
PB
REC
FSC
SUB
1/40
AFC
REC
CONV
1/4
SIDE LOCK
REC
PB
LPF
-1
+
PB
ROTARY
1/4
VCO
PB
FREQUENCY
REC
DET
REC
4 PHASE
LPF
SELECT
APC
PB
COLOR
KILLER
DETECTOR
PB
MUTE
LINE
PB
TUNER
REC
DET
AGC
SP
fH
LINE
+
TRAP
AMP
LP/SLP
REC
PB
LP/SLP
-ON
REC
SP/LP-ON
PB AMP
AMP
REC-ON
REC-ON
REC-ON
SLP-
GND
ON
59
60
61
62
63
57
58
84
83
82
81
80
79
78
77
GND
76
75
GND
74
73
1/2
72
VCC
71
70
69
68
VCC
67
66
65
64
NOTE:
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
REFER TO BEGINNING OF SCHEMATIC SECTION.
COMPARISON CHART
OF MODELS & MARKS
MODEL
MARK
Not Used
A
PV-DF2700-K
B
Not Used
Z
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