JVC SR-V101US Service Manual page 48

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VIDEO BLOCK DIAGRAM(1)
IC1401 (Y/C SEP & MIX )
0 5 3D DIGITAL/2M
7
DFFI
8
VR
11 Q1419
ES
SDATA
12
REC SCLK
17
BPF BUF
PS com/CNR COUT
Q1402
PB
13
KILLER
REC
19
3L COMB YOUT
LPF BUF
Y COMB
PB Q1406
REC PB
31 29 24
Q1410 Q1408
BUF
Q1417
C
BUF
BPF
6
J1
7
Y
REAR1 5
C
S_IN 8
6
J2
7
Y
REAR1 5
C
S_OUT 8
1
J7103
3
Y
FRONT 4
C
S_IN 2
J3
REAR2
VIDEO IN
J1
REAR1
IC903
3 5
VIDEO IN
7
J7101 1
FRONT
4
VIDEO IN
2
REAR(H)
1
Note:For the waveforms in this schematic diagram,refer to page 2-30.
0 3 MAIN ( S-SUB, TERMIANL )
CN1401 CN501
D.FF
15 15
V.REF
14 14
I2C_DATA_A/V
12 12
I2C_CLK_A/V
11
11
KILLER_DET/CTL5
10 10
C C_FROM_DIGI
9 9
Y Y_FROM_DIGI
7 7
EE(L)
6 6
V/Y_TO_DIGI
Y
5 5
C_TO_DIGI
3
3
Fsc
1 1
TRUE TABLE
CTL_A CTL_B OUTPUT
L L X0
L H X1
H L X2
REAR2
(H)
WF15 WF14
+ +
WF16
42 41 40 39 38 37 36 35 33
PB-Y
WF17
ATT BG CR ADJ
BF BF
DC
43
Y
REGEN
44 REC
Y
+
SSEP LIM2
+
PB SW11
45
SW5 SW7
GCL
CONV CONV CONV CONV
DIG OSD
46
SW10 LIM1
VHS[H]
DIG OSD
47
PRE
LPF1
WF18 SW18
PB+
REC+ SW4 EXT IN VIDEO
C
PB*0dB ACC:ON ACC:OFF
PB*+1dB
WF19
SW9
EXT IN VIDEO
49 C +1dB SW6
VCA
NC
SW3 SW8
CK
REC PB
50
DIG DIG DIG DIG SW12
NOT
SP[H]
USED
D13
51
C CH1-C
PB
SW2
DIG FIL FIL DIG FIL FIL
WF20
OSD OSD OSD OSD
REC PB
52 REC
DIG OSD
SW13 SW15
SW17 SW1
C MUTE
CH2-C
C
WF21 OSD OSD OSD OSD
SW14 SW16
53
NOT
PB[H]
USED
YFBC
POSLPF2 POSLPF1
54
C
PRE
LPF2
ATT ATT YMUTE CMUTE
WF22 +6
55
PAL[H]
SW19
NOT
CL2 CL2
USED 56
D1*D14*D15
COMP
YC MUTE CLK DATA
1 WF9 3 4 5 6 7 8 9 10
WF11
NOT
USED
Y NOT
WF10
USED
C
B903
2-31 2-32
+
IC501
32 31 30 29
IN
28
ATT EQ
REC
SP
27
EQ
PB
EP
PB REC
PB 26
REC
NVHS
PB REC NC 25
+
+
SVHS
SUB-EMPH 24
OUT
D15
D9 22
21
20
FILTER FILTER
TRAP
+ 18
ATT
VFBC
17
VMUTE
V-OUT 16
WF13
15
C CHARA_DATA
Y-OUT C-OUT
12 13 14
+
WF12
Y
Q901
BUF
Q902
BUF
World of Free Manuals
KILLER_DET/CTL5
a
VHS(H)
b
SYNC_OUT
c
Y TO SUB
Y
d
TO_SUB_EMPH
e
PB COLOR
C
f
Fsc
g
REC COLOR
C
h
V FROM AV
Y
i
Y TO AV
Y
j
FRONT V IN
Y
k
V FROM OSD
l
I2C DATA A/V
m
I2C CLK A/V
n
REAR1_N_IN
p
FROM_SUB_EMPH
q
TU VIDEO
r
TO
VIDEO/N.AUDIO
CHARA_DATA
TO
VIDEO/N.AUDIO
TU VIDEO
TO
TUNER
RF VIDEO
TO
SYSCON
V TO OSD
P.MUTE(L)
I2C CLK A/V
I2C DATA A/V
V.REF
D.FF