Panasonic Omnivision PV-9661 Service Manual page 376

IC3001 VIDEO/AUDIO PROCESS IC-DETAIL BLOCK DIAGRAM, AN3479FBP
21
20 19 18
VCC
22
VREG
TUNER
LINE2
23
AGC
LINE1
24
AGC DET
ARTIFICIAL
Y/C MIX
25
V/H SYNC MIX
CLAMP
GCA
DETECTOR
26
GAIN
27 LPF CLAMP
CTL AMP
28
GND
ON
YNR
29
OFF
CLAM
DOC SW
30
HPF LIMITER
ANR
31
32
33
34
REC RF FM W/D
35
EQUALIZER MODULATOR CLIP
36
37
REC
RF
38 AGC
DOP
629KHz
PB
AGC
TRAP DETECTOR
39
DET
AT ENVE
REC
DETEC- AMP
40
TOR
41
Y/C
REC-ON
8MHz
PHASE
42 GND
TRAP
COMPENSATOR
45 46
43 44
17 16 15 14 12
13
COMPOSITE
REC
ATT
COMPONENT
COMPONENT
COLOR
PB
KILLER
SW
COMPOSITE
4.8MHz
TRAP
SYNC
SEPARATION
REC
REC
DELAY LPF
PB
PB
REC PB
NON LINEAR
DE-EMPHASIS
NON LINEAR
HPF
LIMITER
EMPHASIS
REC
MAIN
CLAMP
EMPHASIS
PB
MAIN
DE-EMPHASIS
FM
ENVE DOUBLE
LIMITER DEMODULATOR
DETECTOR
VHS
S-VHS
PEAKING BPF
/GAIN CTL AMP
ROTARY
VCC SW
47 48 49 52
50 51
REC VIDEO SIGNAL PB VIDEO SIGNAL
11 10 9 8 7 6
2
I C BUS
REC
BURST
3.58MHz
UP/DOWN
BPF
PB
PB
ACC DET
PB
REC
REC
ACC
PB
MAIN
LP
CONV
REC
GCA
GCA
DET
ROTARY
CCD
LPF
REC
REC
MAIN REC
CONV
LPF
PB PB
COLOR
KILLER
+
DETECTOR
RF IN SUB LPF
SP
PB
LP/SLP
REC
629kHz
COLOR REC
SP
KILLER SW AMP LPF
+
LP/SLP
LPF
REC-ON
REC
-OFF
53 54 55 56
57 58
REC AUDIO SIGNAL PB AUDIO SIGNAL
5 4 3 2 1
VCC
CNR
CHROMA
PHASE
COMPEN-
SATOR
VXO
2FSC
X2 BPF
FSC
SUB
1/40 AFC
REC
CONV
1/4 SIDE LOCK
REC
PB
-1
+
PB
1/4 VCO
PB
FREQUENCY
DET
4 PHASE
SELECT APC
PB
MUTE
LINE
TUNER
AGC DET
fH LINE
TRAP AMP
REC
PB
LP/SLP
-ON
REC
SP/LP-ON
AMP
PB AMP
REC-ON
REC-ON
SLP-
GND
ON
59 60 61 62 63
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