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:VIDEO MAIN SIGNAL PATH IN REC MODE
:VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE
PP3001 PS3301
EMPHA OUT
10
TO/FROM
LUMINANCE &
CHROMINANCE
PP3001 PS3301
EMPHA IN
12
PP3002
PS3302
REC Y
14
FROM
LUMINANCE &
CHROMINANCE
PP3002
PS3302
PB Y
18
(EC/EP)
IC3304,
Q3318-
Q3321
TO
SECAM
PP3002
PS3302
LUMINANCE &
SECAM YC
DELAY
15
CHROMINANCE
LINE
PP3002
PS3302
SEPA C
12
PP3002
PS3302
SEPA Y
16
PP3001 PS3301
C IN
6
PP3002 PS3302
PB C
8
TO/FROM
PP3002
PS3302
LUMINANCE &
VIDEO OUT
4
CHROMINANCE
PP3002 PS3302
SECAM C
A1
11
PP3002
PS3302
C OUT
A2
8
PP3002 PS3302
OSD VIDEO
A3
6
PP3002
PS3302
Y OUT
A4
10
IC3305
(SUB EMPHASIS,YC SEP/DNR INTERFACE,OSD YC SEP)
SUB EMPHASIS
24
29
REC VHS
SYNC
SYNC for
41
SEP
VIDEO PROCESS
43
R
42
ATT
P
44
45
GCL
CONV
(EB)
36
BF
CONV
Q3322
BUFFER
7
CL2
+6
Q3317
BUFFER
47
40
BF
51
CH1-C
R
52
CH2-C
P
49
16
V MUTE
IC3301
(3D YC SEP & 3D NR TBC)
Q3312
BUFFER
81
FEED-BACK
CLAMP
R
P
PEDESTAL
CLAMP
83
R
SVHS
P
VHS
ATT
R
+
P
-
DIG
VCA
DIG
P
NC
INT
DIG
R
OSD
EXT
OSD
FIL
YC SEP
OSD
FOR OSD
PRE
LPF 1
OSD
CONV
P
+1dB
CONV
R
DIG
DIG
REC(ACC)
+PB
INT
CK
REC
(ACC)
EXT
V FBC
Y
R
3D
YCS
C
P
A/D
4FSC
Y
DELAY
TBC
3D NR
ADJ.
P
C
R
SYNCHRONIZATION
PROCESSING
TIMING CONTROL
-
+
+
DC
LIM 1
+
-
-
P
R
LIM 2
POS
LPF 1
OSD
Y FBC
OSD
TRAP
FIL
OSD
OSD
DIG
OSD
OSD
R
POS
LPF 2
DIG OSD
+
C MUTE
P
A/D
DECODER
4FSC
BLACK
EQ
Y
YNR
DELAY
UP
EXPANSION
&
LNR
ADJ.
SAMPLING
SYNC CHANGE
YNC
ENCODER
UP
CNR
EQ
BURST
SAMPLING
C
CHANGE
28
SP
LAG-LEAD
27
FILTER
EP
P
26
R
+
31
-
32
Q3315,
Q3316
ATT
CL2
5
AMP
Y MUTE
12
A4
ATT
18
A3
C MUTE
14
A2
Q3311
PRE
54
BUFFER
LPF 2
Q3307
3
BUFFER
ATT
56
A1
(EB)
88
BIAS
D/A
95
8FSC
+
D/A
93
8FSC
NV-SV120EC/EB/EP
S-VHS BLOCK DIAGRAM
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