JVC SR-VS20E User Manual

4-81 4-82
HGFE
DCBA
4
5
3
2
1
IC1
11
7
19
18
15
20
G
.INY/V
Y/V.OUT
.GNDV
C/R B
IN/DECODER
V2A
J7104
11
7
19
18
15
20
G
.IN
.OUTV
.GNDV
C/R B
Q7116
Q7117
NOT
USED
6dB AMP
EP(LP) CH1
TO
TUNER
TO
SYSCON
TO
SYSCON, SUB CPU
14
13
12
24
23
18
20
22
21
IN/OUT
V1A
J7102
Q18
UFB
FRONT_V_IN
Fsc
Fsc
I2C_CLK_A/V
CS2
5
4
VIDEO_ENV
D.FF
1
2
P.MUTE(L)
NORM/MESEC/S
D.FF
V.PULSE
30
YCIN(H)
AV1
YCIN(H)
AV1
CN7101
CN7501
SW
TP106
PB FM
.EmphDe
Main
APC
fH LOCK CTL
2fsc VCO
DLIM
DeMOD
Sub LPF
10
11
612
13
14
SW
CLPF
(
-10dB
)
TTA
22
25
REC
ALC
GCA Det
DO
R
Video
GCA
Clamp
YNR
R
P
CTLAPT
.E.D
.N.C
PB
Clamp
RP
P
PR
RP
.EmphDe
FBC/ALC
P
R
N.L.
Emph
N.L.
Det
DO
v2Con
Main
ADJ
LEVEL
MIX
.KC
BPF
P
.Sync.Sep
Gen.
Pulse
R
P
RR
P
TRAP
v1Con
Main
26
LEVEL
Det1
LPF
WHITE
UELCHSQ
SYNC
CLEAR
LIMITER
UELCH.SQC
.EB
PN
.KC
3027
6dB AMP
29
BDL
ATAD
CLPF
RP
R
P
yDela
VCA
I2C
LOGIC
SP2
-
SP2
+
SP1
+
+
-
-
+
SQPB
ier OffsetCarr
.C.C/DW
Main Emph
vo/Def Adj
S-DET
REC
FM MOD
Filter
L-SECAM
VCO
1/2
HPF
SQPB
SQPB
EQ
G
DL
R
P
EQ
P
DET
FM GCA
COMP
.
LPF
SEP
2Fsc
44
LPF
TUNER_VIDEO
39
38
37
36
35
34
33
CN502
CN501
Fsc
C_TO_DIGI
10
9
Y/V_TO_DIGI
V. RE F
8
7
6
1
2
3
5
4
32
31
30
29
28
27
22
23
24
26
25
21
20
19
Fsc
I2C_CLK_A/V
EE(L)
18
17
16
11
12
13
15
14
11
15
14
12
9
7
6
5
3
1
4
10
9
CHABLK
XTAL_IN
CV_IN
SCLK
BUF
&SW
3
11
AMP
Q7118-Q7120
IC7104
USED
NOT
USED
NOT
17
15
16
5
7
9
11
13
CN7506
14
12
10
8
6
4
2
11
9
7
5
3
21
CS1
2
MUTE
SDATA
IC851
( ON_SCREEN
DISPLAY)
BUF
BUF
6dB&
BUF
BUFBUFBUF
BUF
1
CLAMP
CLAMP
EXP2EXP1
BUS
DATA
CTLI2C
CLK
BUF
CLAMP
6dB&
BUF
BC/R
V.GND
V.OUT
Y.IN
G
20
15
18
19
7
11
BUF
Q5
BUF
Q21
1
2
3
9
10
11
12
13
14
16
30
29
27
26
25
23
17
18
20
22
21
5
JACK
63
V_IN
J7002
Y
1
3
CN7002
J7001
S_IN
1
4
2
3
C
BUF
X1
EP(LP) CH1
U.DRUM
VIDEO
HEAD
SP CH1
SP CH2
CN1
7
6
5
4
8
3
2
1
&EQ
BUF
Q17
Q10
LP1
LP1
LP2
LP2
)
LP
(
EP
CTLD. FF
LPFY
Y
D.F F
55
FILTER
USED
NOT
INfsc
TP111
SYSCON
TO
EXT
INT
45
46
Clamp
B.D
PILOT
ADD
21
16
18
20
ATT
)
-10dB
(
ATT
)
-10dB
(
ATT
)
-10dB
(
BDL
BDL
LPF
/REC
DO
SQPB SQPB
SQPB
EQ
ET ET
ET
LPF
Det2
LEVEL
21
L-SECAM L-SECAM
C
BDL
P
R
CLK
7
112
111
104
101
120
38
SW1Head
SW2Head
HPF
TANC
ME
SECAM
DET
Comp
40
X-tal
4234
2fsc
REC
AFC
PB
APC
KillerColor
Det.ID
ACC Det
REC
APC
CR Det
VCO/OSC
PB/REC
Discri
DETENV
105
106
-
SP1
108
109
110
8
DET
DET
CH2
CH1
CH2
CH1
REC
YCA
L-SECAM
P
R
629
TRAP
MUTE
SP
2FL
.
.
DOWN
Conv
LPF2M
P
R
4Phase
Gen.
CTL
HPFfH
TRAP
ACC
1/2
SWPhase
I2C_DATA_A/V
D.FF
EE(L)
(
VIDEO & AUDIO
SIGNAL PROCESSOR
)
MAIN (VIDEO, VIDEO I/O SW, CONNECTION)
I2C_DATA_A/V
I2C_CLK_A/V
C_FROM_DIGI
Y_FROM_DIGI
I2C_DATA_A/V
C_TO_DIGI
Y/V_TO_DIGI
Y_FROM_DIGI
C_FROM_DIGI
PB_COLOR
V.PULSE
MAIN_ALC_DET
Y_TO_SUB
P.MUTE(L)
FRONT_Y_IN
FRONT_C_IN
FRONT_V_IN
REAR2_V_IN
V_TO_OSD
CHARA_DATA
Y_TO_AV
V_FROM_AV
REC_COLOR
V_FROM_OSD
C_OUT
Y_OUT
REAR2_C_IN
REAR2_Y_IN
REAR1_C_IN
REAR1_Y_IN
BUF
Q24
C.SYNC/V.REF
FRONT_Y_IN
FRONT_C_IN
5
1
3
CN7507
7
6
5
4
8
3
2
1
7
6
5
4
8
3
2
1
NOT
USED
CN704
4
1
2
3
568912
14
LN21
27
16
AMP
Q853
Q854
BUF
Q855
71
ON SCREEN
5
3
1
CN7502 CN7102
J7101
S_OUT
C
Y
4
2
3
1
1
3
OUT1_D(H)
2
7
IC7102
OUT1_L2(H)
1
5
3
4
60
TERMINAL
2
7
IC7101
1
5
3
4
Y/C:MIC
6dB
V
10
12dB
IC7103
2.5V
REG
Y
C
-6dB
4dB
13
15
14
SW
Q7104
- Q7111
6dB
B.BACK(H)
15
OSD_P.CTL(L)
SECAM/MESECAM(H)
5
3
11
7
BUF
Q7112, Q7113
BUF
Q7102
Q7103
BUF
Q7114
Q7115
CN703
1
3
4
6
BUF
Q706
BUF
Q703
BUF
Q705
BUF
Q714
2
7
IC705
1
5
3
4
9
LPF
GCA
D1
14
AMP
CLAMP
D_VHS(H)/D_SEPA(H)
12 11 10
SYNC
PEAK Def .
KEYED
IC707
Clamp
75 4
+
2
7
IC703
1
5
3
4
2
7
IC702
1
5
3
4
BUF
Q709
BUF
Q711, Q712
BUF
Q710
BUF
Q708
OUT2_D(H)
B.BACK(H)
CN851
P.MUTE(L)
VHS(H)
I2C_DATA2
I2C_CLK2
OSD_DATA
OSD_CSB2Fsc
OSD_CLK
D_R2/D_R1Y/D_FV
D_TU(H)
SP_CONV/D_BS/D_F
D_VHS(H)/D_SEPA(H)
2
7
IC712
1
5
3
4
NOT
USED
BUF
Q725
D AGC
TP701
D_C_IN
D_Y/V_IN
D_C_OUT
D_Y_OUT
TO
DV MAIN (DV V OUT)
CN3501
BUF
Q713
D.FF
CN7103
CN7503
3
2
I2C_DATA2
I2C_CLK2
I2C_DATA2
I2C_CLK2
17
CVOUT
19
P.MUTE(L)
WF1
WF2
WF3
WF4
WF5
WF6
WF7
WF8
WF9
WF10
WF11
Note : For the waveforms in this block diagram, refer to page 4-71.
WF1
WF2
WF3
Y
C
Y
Y
C
Y
C
Y
C
Y
Y
Y
C
Y
C
Y
C
Y
C
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
C
Y
C
C
Y
Y
C
C
Y
C
Y
C
Y
Y
Y
C
C
Y
C
Y
C
Y
Y
C
C
C
Y
C
Y
Y Y
C
C
Y
C
Y
C
Y
C
Y
C
Y
Y
C
Y
Y
C
Y
C
C
Y
C
IC852
1
3
2
7
D_Y/V_IN

JVC SR-VS20E Specifications

General

Brand	JVC
Model	SR-VS20E
Category	VCR
Language	English