Panasonic PV-D301 Service Manual page 187

IC3001 VIDEO/AUDIO PROCESS IC-DETAIL BLOCK DIAGRAM, AN2401NFH
60 59 58 57 56 55 54
ROTARY GND VCC VDD GND
SW
OSC
61
1/4 VCO
62
SBM 1/8
63
BPF MBM
SERIAL
D/A
64
CONVERTER REC
65
66
67 GND
68 VDD
69
COLOR B-Y
LPF
KILLER SW DEMODULATOR
70 VCC
COLOR R-Y
LPF
KILLER SW DEMODULATOR
71 VCC
72
Y/C
73 DRIVER AMP
MIX
PB
74 GND
REC
OSD DATA MIX
H M
75
OSD
L
DL
DATA
MIX
76
H M
L
77
PB
H
ART V-
78
SYNC REC
L
MIX
M
AMP
OSD
79 CLAMP
DATA
MIX
GCA
80
H SYNC
LPF
SEPARATE
EE(H) SLP(H) VCC
1 2 3 4 5 6 7
REC VIDEO SIGNAL
53 52 51 50 49 48 47 46
PB
CNR
CNR
GCA
REC
PB
PB
REC
PB
AFC APC
REC
REC
BPF
ACC
SIDE
PB
LOCK
DETECT
REC PB
LPF
PB REC
ACC
DETECT
ACC
COLOR
KILLER SW
MAIN
EMPHASIS
NOISE
AMP LPF
CANCEL
NOT
DOC
DOC
NON LINER
EMPHASIS
/DE EMPHASIS
LPF
YNR GCA
CLAMP CLAMP
CLAMP
YNR
GND
DC
8 9 10 11 12 13 14 15
PB VIDEO SIGNAL
45 44 43 42 41
AUTO
FILTER
COLOR
ADJUSTMENT
KILLER
40
2FSC
TRAP
MBM
39
DC
LPF
38
GCA MIX
37
36
VCC 35
34
REC-ON
REC
GND 33
PB
ACC
32
LPF
DET
31
30
29
VCC 28
FM
27
MODULATOR
FH/2
GND 26
RF RF
25
DETECT AGC
DOC
24
23
LIMITER
22
DEMODULATOR
YNR
LPF 21
MONITOR
MAIN DE-
EMPHASIS
16 17 18 19 20