JVC HR-S5950EU Service Manual page 61

0 3 MAIN
( VIDEO/N. AUDIO, TERMINAL, SECAM )
TO
SYSCON
V_TO_OSD
V_TO_VPS/PDC
V.PULSE
I2C_DATA
I2C_CLK
CTL3(CH+A)
5
CH+B
CTL6(Y/C_OUT(H))
V_FROM_OSD
TO
TUNER
RF_VIDEO
TU_VIDEO
TO
SYSCON
CTL5
TO
VPS/PDC SILCER
V_TO_VPS/PDC
CN511
EE(L)
1 1
I2C_DATA
2 2
I2C_CLK
3 3
4 Fsc
4 4
Y_TO_SUB
Y
5 14
MAIN_ALC_DET
6 13
SECAM_PB_COLOR
7 12
PB_COLOR
11
8
V_TO_VPS/PDC
9 8
V_FROM_AV
10 24
REC_COLOR
11 25
Y_TO_AV
12 22
V_FROM_OSD
13 30
CHARA_DATA
14
21
V_TO_OSD
15 20
C_OUT ONLY USED FOR
16 28
Y_OUT
Y EK MODEL
17 26
FRONT_V_IN
B7116
18 17
3
AV2_C_IN
19 16
AV2_Y/V_IN
20 15
J7101
(AV1 IN/OUT)
V.IN
20
V.OUT
19 V.GND
17
C/R
15
V.GND
18
G
11
B
7
C
Y
2
J7102
(AV2 DECODER)
V.IN
V.OUT 20
19 V.GND
C/R 17
15
V.GND
G 18
11
B
7
1
FRONT IN
J7105
2
VIDEO
1
Note : For the waveforms in this block diagram, refer to page 4-33.
A
IC7104
1
6
2
4
BUF
Q7106
ONLY USED FOR
EU/MS MODEL
Q60
ES
26 29
C
IC7105
6dB
1
6
2
4
C.SQUELCH
B7118
75
25
IC7103
1
CH+A
4
V_FROM_OSD
2
AV1_V_OUT
6 Clamp
AV2_V_IN
ONLY USED FOR
EU/MS MODEL
21
ONLY USED FOR
EU/MS MODEL
22
ATT
( -10dB
20
NOT
ATT
( -10dB
USED
IC7102
18
ATT
( -10dB
1
CH+B
WF9
4
16
TU_VIDEO
ATT
( -10dB)
2
AV2_V_OUT
6
AV1_V_IN
46
DAT
45
CLK
B C
C
BUF Q21
WF4
TP106
PB.FM
WF1
IC1
(
VIDEO & AUDIO
WF2
WF3
SIGNAL PROCESSOR )
27 30 2 1
2fsc VCO
BDL C
VCA
LPF BDL
fH LOCK CTL
C.K
R P
AMP 6dB AMP
LEVEL
Det1 Color
N P
ID Det.
CLPF Delay
LEVEL
B.E
APC ACC
B.D
Det2
SW
R P
SQUELCH
Pulse
Gen.
WHITE
LIMITER
EXT
CLEAR
CLPF
SYNC
INT
Sync.Sep.
Main Main
CTL
Conv2 Conv1
C.K
fH
SECAM SECAM
P R R P
TRAP
P
PILOT
BPF
C
ADD
REC
R
LEVEL
CTL
G
R EQ
N.L.
REC N.L.
De.Emph Emph
DO
AGC Det
P DLIM
Det
PB ALC
DeMOD
SQPB SQPB
SQPB ET
D.E.
P EQ LPF
ET ET
Sub LPF
APT CTL N.C.
)
R
FBC/ALC Main
De.Emph
)
V ideo
AGC
R P
)
YNR
DO
DO
Y /REC
BDL
Y LPF
I2C P R
BDL R P P R
Clamp
Interface
LPF
Clamp
A
14
10 11 6 12 13
WF7
WF8
FIL TER
D E
4-39 4-40
C.SYNC
ONLY USED FOR MS MODEL
Q34
SECAM_PB_COLOR
BUF
WF13
17
27
SYNC GATE
MUTE
GEN
SYNC
/V-SEP GEN
PB 4.3MHz
VCA
MUTE BPF
REC
IC301
PB
2.2MHz 4.3MHz
X2 X2
(SECAM BPF
BPF
REC
CHROMA
1.1MHz
VCA
BPF
SIGNAL PB
REC
PROCESSOR)
MUTE
AGC AGC
AMP
DET
2 11 14 13
AGC
WF10
FILTER
SECAM_REC_COLOR
PB.FM
X1
NOT
USED
34 44 42 40 38
LPF
X-tal
CR Det. VCO/OSC
2fsc
P R
Head SW1
Killer PB REC REC PB/REC
D.FF CTL
Head SW2
APC APC AFC Discri
Det
1/2 HPF ENV DET
DOWN 1/2
Conv .
Phase SW. 2FL VCO
ME
SECAM T ANK
DET
4Phase
Gen.
SP
P DET
Comp
2M LPF
TRAP
ACC DET
HPF
R EP
(LP )
P
HPF
R
L-SECAM
LPF REC
YCA
MUTE
L-SECAM
COMP
SP2
SEP . +
P
SQPB SP2
SQPB P 629
FM AGC
DL EQ TRAP -
R
CH2
SQPB DET
SP1
-
CH1
SP1
+
+
REC
EP2
Filter
-
CH2
EP2
FM MOD
CH1
-
fo/Dev Adj
EP1
Main Emph
S-DET
Carrier Offset
+
W.C/D.C
EP1
7
8
FIL TER
F
V_TO_OSD
WF12
15
REC
PB
SYNC
LIM
GATE
SYNC
1/4
GATE
REC/PB
MUTE
SECAM
DET
R/P
MODE
CTL
1
26 16
WF11 EE[L]
TO
SECAM_DET
SYSCON
SECAM[H]
TO
2Fsc
VPS/PDC SLICER
TP111
WF5
D.FF
TO
SYSCON
92
D.FF
VIDEO ENV
91
100
81
NOT
USED
84
WF6
85
4 1
U.DRUM
VIDEO
CN1 HEAD
86
6 6 6
SP CH2
5 5 5
SP CH1
4 4 4
88
3 3 3
LP/EP_CH2
2 2 2
LP/EP_CH1
1 1 1
89
90
TO
NORM/MESEC/S
SYSCON
ONLY USED FOR
EU/MS MODEL
G H