Video Block Diagram - JVC HR-S9700EK Service Manual

4.26

VIDEO BLOCK DIAGRAM

5
1 5 S-SUB
4
PRE LPF
3
43
CLAMP
45
47
48
49
50
NOT
USED
51
CLAMP
2
52
53
REC
54
56
IC501
( Y/C SWITCH )
1
A B
+ NOT
USED
42 41 40 39 38 36 34 33 32 31 30
SP/EP(LP)
EE/PB
CR VHS
CLK DATA
ADJ CLAMP
S-VHS
IIC LOGIC
CONV
PB
DIGI/PB
PB
REC REC
CONV
PRE LPF ATT DIGI
REC
PB*CONV N/S-LPF
DIGI/PB
EQ
EXT PB Y PB REC
PRE LPF DIGI
CONV
CONV
PRE LPF
VCA
REC
PB*CONV
EXT PB C
PB REC
EXT PB C
N.C.
ATT
PB
REC
TRAP
ATT
V MUTE
V FBC
BB
PB*D15
C.K.
GCL BB
BB
V5
COMP IN V4
AGC BB
C MUTE
V3/V4
Y/C IN V3
PB
C3 D16
C1
C2
AGC DET Y FBC
S.SEP
Y MUTE
S1/S2 DET
Y1 Y3
Y2
ATT ATT ATT ATT ATT
1 2 3 4 5 6 7 8 9 10 11 12
NOT
USED
C
( Y/C SEP & MIX )
IC1401
DFFI
VR
SDATA
SCLK
REC
COUT
PS com/CNR
PB
REC
3L COMB YOUT
Y COMB
PB
REC PB
31 29 24
Q1417
BPF BUF
IC502
29
( S-VHS & SVHS-ET SWITCH )
1 18
REC 28
SP
PB
27
2 17
CLAMP SP
EE(L)
16
PB
REC
25
CLAMP
12
5 NON LINEAR
PROCESSOR
24
NOT
USED
PB
6
11
23
FILTER FILTER SP
REC
10
SP
21
CLAMP
20
19
D7&D8 18
NOT
BIAS
USED
17
15
14
D E
4-49 4-50
0 5 3D DIGITAL/2M
7
8
11
12
17
BUF
BPF
Q1402
19
CN1401
LPF BUF
15
Q1406
14
12
11
9
Q1404
Q1408
Q1414 7
Q1418,Q1420
SW 6
BUF 5
3
1
CN511
1
2
3
4
9
10
11
12
13
14
16
17
18
20
21
22
23
25
26
27
29
30
EQ
EQ
EQ
EQ
CN512
2
4
6
8
10
12
14
F
D.FF
1
V.REF
2
I2C DATA A/V
3
I2C CLK A/V
4
C FROM DIGI
5
Y FROM DIGI
6
EE(L)
7
V/Y TO DIGI
8
C TO DIGI
9
Fsc
10
EE(L)
11
I2C DATA A/V
12
I2C CLK A/V
13
Fsc
14
C TO DIGI
15
V/Y TO DIGI
16
Y FROM DIGI
17
C FROM DIGI
18
PB COLOR
19
V.PULSE
20
MAIN ALC DET
21
Y TO SUB
22
P.MUTE(L)
23
FRONT Y IN
24
FRONT C IN
25
FRONT V IN
26
REAR2 V IN
27
V TO OSD
28
CHARA DATA
29
Y TO AV
30
V FROM AV
31
REC COLOR
32
V FROM OSD
33
C OUT
34
Y OUT
35
REAR2 C IN
36
REAR2 Y IN
37
REAR1 C IN
38
REAR1 Y IN
39
G H