JVC ShowView DELUXE HR-S9850MS Service Manual page 71

EE(L)
TO I2C_DATA_A/V
I2C_CLK_A/V
SYSCON
V.REF
P.MUTE(L)
V.PLUSE
TO
TU_VIDEO
TUNER RF_VIDEO
CN501
D.FF
1 15
V.REF
2 14
I2C_DATA_A/V
3 12
I2C_CLK_A/V
4
11
C_FROM_DIGI
5
9
Y_FROM_DIGI
6 7
EE(L)
7
6
Y/V_TO_DIGI
8 5
C_TO_DIGI
9 3
Fsc
10 1
CN502
EE(L)
11 1
I2C_DATA_A/V
12 2
I2C_CLK_A/V
13 3
Fsc
14 4
C_TO_DIGI
15 9
Y/V_TO_DIGI
16 10
Y_FROM_DIGI
17 11
C_FROM_DIGI
18 12
PB_COLOR
19 13
SECAM_PB_COLOR
20 15
MAIN_ALC_DET
21 16
Y_TO_SUB
22 17
P.MUTE(L)
23 18
FRONT_Y_IN
24 20
FRONT_C_IN
25 21
FRONT_V_IN
26 22
REAR2_V_IN
27 23
V_TO_OSD
28 25
CHARA_DATA
29 26
Y_TO_AV
30 27
V_FROM_AV
31 29
REC_COLOR
32 30
CN902
FRONT_VIDEO
5
3 6
J7191
CN901
FRONT_Y_IN
FRONT JACK 1
FRONT_C_IN
3
VIDEO IN
CN7191
2
7
1
J7194
FRONT_S_IN
4
Y
2
C
J903
REAR
S-OUT
1
3
Y
4
C
2
CN911
V_FROM_OSD
33 2
C_OUT
34 4
Y_OUT
35 6
REAR2_C_IN
36 8
REAR2_Y_IN
37 10
REAR1_C_IN
38 12
REAR1_Y_IN
39 14
Note : For the waveforms in this block diagram, refer to page 4-43.
Q14
BUF
C
WF1
Y
26 29 27
D.FF
6dB AMP 6dB AMP
C.SQUELCH
C
Y
SQUELCH
Y
C
CLEAR
SYNC
C.SYNC
25
Sync.Sep.
Clamp
Fsc
C
Y
21
Y
C
C P
22
C ATT
PB_COLOR (-10dB )
R
20
NOT
Y ATT
(-10dB )
USED
18
NOT
ATT
(-10dB )
USED
V_TO_OSD2
16
C ATT
(-10dB )
WF10 I2C
46
LOGIC
DATA
45
Y
CLK
IC1
C
(
VIDEO & AUDIO
SIGNAL PROCESSOR)
0 3 MAIN ( VIDEO , CONNECTION )
CN903
1 9 11
6
CN913
Y
IC901 (VIDEO SWTCH)
Q909
24
BUF
23
22
NOT
21
USED
20
Q903
BUF
18
C
BUF
17
Q904
16
Q908
15
NOT
Q911,Q912
USED
SW
AV1
13
_YCIN(H)
DATA
14
C
CLK
Y
C
Y
IC2
(SWITCH)
Q31
5
4
BUF
1 BUF
7
& EQ
2Fsc
Q21 3
NOT
TP106
USED
Q24
BUF
PB.FM WF4
2
NOT
VHS(H)
BUF
USED
BUF
WF2
WF3 Q5
2 1
30 34 44 42
LPF
CR Det.
2fsc VCO
2fsc
BDL C
VCA
LPF BDL P R
fH LOCK CTL
C.K
R P
LEVEL
Det1 Color Killer PB REC REC PB/REC
N P APC AFC
ID Det. APC Discri
CLPF Delay
B.E LEVEL
APC ACC Det
B.D Det2
SW
R P
1/2
DOWN 1/2
Phase SW. Conv. 2FL VCO
Pulse
WHITE Gen.
LIMITER
EXT
4Phase
CLPF
Gen.
INT
P
Main Main
CTL TRAP 2M LPF
ACC
Conv2 Conv1
C.K
fH HPF R
L-SECAM L-SECAM P R R P P
HPF
TRAP
R
L-SECAM
P
LPF
PILOT
BPF C
ADD
MIX L-SECAM
R
LEVEL COMP
ADJ
SEP .
SQPB
SQPB P
FM AGC
G
DL EQ
R EQ
N.L.
REC N.L. DET
SQPB
De.Emph Emph
DO
AGC Det P DLIM
Det
PB ALC
DeMOD
SQPB SQPB
SQPB ET
D.E.
EQ ET ET LPF
Sub LPF
APT CTL N.C.
FBC/ALC
Main
De.Emph
Video
AGC
R P
YNR
Main Emph
Carrier Offset
DO W .C/D.C
DO
Y /REC
BDL
C Y LPF
R P R P P R
BDL
Clamp
LPF
Clamp
10 11 6 12 13 14 7
WF7
FILTER Q17 SW
WF8
WF9
VHS(H)
Y
CN905 CN904
1
2
CN915 CN914
BUF
Q207
J902
AV2 IN/DECODER
20 18
Y/V.IN V.GND
V.OUT C/R G B
1
19 15 11 7
WF11
CLAMP
3
CLAMP
Q905-Q907
AMP
5
Y
CLAMP
WF12
7 J901
AV1 IN/OUT
9
20 18
Y/V.IN V.GND
C/R G B
V.OUT
11
Y 19 15 11 7
12 AV1_YCIN(H)
0
4-51 4-52
8 8
REC_COLOR
C
PB_FM
TP111
WF5
D.FF
WF13
X1 Q10
BUF CN302 CN301
D.FF
PB _ COLOR 1
40 38 55
V _ TO _ OSD2 2
fsc IN
C.SYNC
4
X-tal
IC301
VCO/OSC
(SECAM CHROMA
WF14
SIGNAL
CN301 PROCESSOR)
Fsc
1
EE(L)
2
REC_COLOR
3
PB_FM 4
112 5
Head SW1
D.FF CTL 6
Head SW2
WF15
111 CN302
HPF ENV DET
WF16
120
ME
SECAM
TANC
DET
101
SP
DET
Comp
DET
EP
(LP)
104
REC
YCA
MUTE
SP2
+
P
105
SP2
629
-
TRAP
R
CH2
WF6
SP1
- 106
CH1
SP1
+
+
108
REC LP2
Filter
-
CH2
LP2
FM MOD
CH1
109
-
fo/Dev Adj
LP1
S-DET
+
LP1
110
8
2Fsc
3 5
12
13
2 4 12
IC3401
IC201 (MULTIPLEXER/
D201
DEMULTIPLEXER)
4
14
CHABLK X-COMM
8
SYNC_DET
2
15
3 XTAL_ IN Y-COMM
MUTE
9
4
21 CS1
Z-COMM
CV_IN
CN3402
CN912
10
19 SCLK_TOOSD
7
SCLK 2
CVOUT
11 SD_TOOSD
3 6
5 SDATA
CSOSD_SUB
LN21 4 5
27
D205
CS2
TXD
IC3402
6 3
(MULTIPLEXER/
RXD
( ON SCREEN
2
7 DEMULTIPLEXER)
) LANC_I/O
DISPLAY
1
8
14
X-COMM
J924
LANC 15
2
Y-COMM
1
J923
JLIP
2
4
3
6
TERMINAL
Only used for HR-S9850MS
SECAM
27 17 15
SYNC GATE MUTE
GEN
SYNC
/V-SEP
GEN
REC
PB 4.3MHz
VCA
MUTE BPF PB
REC
SYNC
LIM
4.3MHz PB GATE
2.2MHz
X2 X2
BPF BPF
REC
SYNC
1/4
1.1MHz
VCA GATE
BPF
PB
REC/PB
REC
MUTE
MUTE
AGC AGC SECAM
DET
DET AMP
R/P
MODE
CTL
1
2 16 11 14 13 26
AGC
C
FILTER
SECAM_DET
SECAM(H)
TO
D.FF
VIDEO_ENV SYSCON
HARD_SEL
U.DRUM
VIDEO
CN1 HEAD
8 8 8
SP CH2
7 7 7
6 6
6
SP CH1
5 5 5
4 4 4
EP(LP) CH2
3 3
3
2 2 2
EP(LP) CH1
1 1 1
S.DATA_TOSYS
S.DATA_FRSYS
S.CLK
SUB CS
SUB RESET
SUB BUSY
TO
NORM/MESEC/S
P.MUTE(L)
SYSCON
SYNC_DET(H)
VHS(H)
I2C_DATA2
I2C_CLK2
OSD_CS
S.CASS(H)
10 9 8 1
11
IC3301
(NAVIGATION
PROCESSER)
2
S.CASS(H)
12 23
0X SCLK IN
13
IC3405
1X
2 22 SD FRSYS
0Y
42 2 6
1
39 SUB BUSY
1Y TXD
5
21
0Z SD TOSYS 5 3
33
RESET
1, 7
11
A
10 52
OSD SEL
B
9
26
C CS IN
45
SD OUT
47
IC3406
SCLK OUT
IC3403
43
(1M-BIT 3 5
RXD
FLASH MEMORY)
2 4 6 2
12 48
0X SCK CS MEM CS
49 1, 7
13
JLIP(L)
1X
1 46
2 8
0Y SI SO MEM SIN
1
1Y
50
11
A DEVICE SEL
10
B
51
OSD CS
D3407
1 9
NAVIGATION