Note : For the waveforms in this block diagram, refer to page 2-56.
C
C
Y
C
Y
Y
C
C
Y
Y
C
Y
Y
Y
Y
C
C
Y
Y
Y
C
Y
C
C
Y
IC501
( Y/C SWITCH )
NO
PRO
REC
( S-VHS & SV
1
PB
REC
6
5
2
EE(L)
19
28
CLAMP
CLAMP
CLAMP
ATT
ATT
ATT
ATT
ATT
CLAMP
CLAMP
AT
T
ATT
GCL
ATT
Y/C IN
COMP IN
27
25
17
15
REC
PB
PRE LPF
PRE LPF
PRE LPF
PRE LPF
EXT PB C
EXT PB C
REC
PB
AGC DET
AGC
S.SEP
V3/V4
V5
S1/S2 DET
C1
C2
C3
Y2
Y1
Y3
V3
V4
BB
BB
BB
BB
V FBC
Y FBC
C MUTE
Y MUTE
D16
V MUTE
TRAP
REC
PB
N/S-LPF
REC
PB
EE/PB
SP/EP(LP)
VHS
S-VHS
CR
ADJ
EXT
PB
Y
EXT PB Y
DIGI
DIGI/PB
REC
PB
IIC LOGIC
CLK
DATA
DIGI
DIGI/PB
REC
PB*CONV
CONV
CONV
CLAMP
REC
PB
EQ
REC
PB
ATT
PB*CONV
CONV
CONV
REC
VCA
REC
PB
N.C.
C.K.
PB*D15
D7&D8
BIAS
24
23
21
20
18
43
45
47
48
49
50
51
52
53
54
56
14
12
11
10
9
7
6
8
5
3
2
1
42
41
40
39
38
36
34
33
32
30
29
31
USED
NOT
USED
NOT
USED
NOT
FILTER
FILTER
+
0
3
MAIN (S-SUB)
4
USED
NOT
USED
NOT
USED
NOT
WF2
WF1
WF3
WF4
WF5
WF6
WF7
WF8
WF9
WF10
VIDEO BLOCK DIAGRAM(1)
2-57