4-75
4-76
H
G
F
E
D
C
B
A
4
5
3
2
1
IC1
11
7
19
18
15
20
G
.IN
Y/V
Y/V.OUT
.GND
V
C/R
B
IN/DECODER
V2
A
J7104
11
7
19
18
15
20
G
.IN
.OUT
V
.GND
V
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
V1
A
J7102
Q18
UF
B
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
3
0
YCIN(H)
AV1
YCIN(H)
AV1
CN7101
CN7501
SW
TP106
PB FM
.Emph
De
Main
APC
fH LOCK CTL
2fsc VCO
DLIM
DeMOD
Sub LPF
10
11
6
12
13
14
SW
CLPF
(-10dB)
TT
A
22
25
REC
ALC
GC
A
Det
DO
R
Video
GC
A
Clamp
YNR
R
P
CTL
APT
.E.
D
.
N.C
PB
Clamp
R
P
P
P
R
R
P
.Emph
De
FBC/ALC
P
R
N.L.
Emph
N.L.
Det
DO
v2
Con
Main
ADJ
LEVEL
MIX
.K
C
BPF
P
.
Sync.Sep
Gen.
Pulse
R
P
R
R
P
TRAP
v1
Con
Main
26
LEVEL
Det1
LPF
WHITE
UELCH
SQ
SYNC
CLEAR
LIMITER
UELCH
.SQ
C
.E
B
P
N
.K
C
30
27
6dB AMP
29
BDL
A
T
A
D
CLPF
R
P
R
P
y
Dela
VCA
I2C
LOGIC
SP2
-
SP2
+
SP1
+
+
-
-
+
SQPB
ier Offset
Carr
.C
.C/D
W
Main Emph
v
o/De
f
Adj
S-DET
REC
FM MOD
Filter
L-SECAM
VCO
1/2
HPF
SQPB
SQPB
EQ
G
DL
R
P
EQ
P
DET
FM
GC
A
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.REF
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)
BU
F
BU
F
6dB&
BU
F
BU
F
BU
F
BU
F
BU
F
1
CLAMP
CLAMP
EXP2
EXP1
BU
S
DATA
CTL
I2C
CLK
BU
F
CLAMP
6dB&
BU
F
B
C/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
6
3
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
CTL
D.FF
LPF
Y
Y
D.FF
55
FILTER
USED
NOT
IN
fsc
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
2
1
L-SECAM
L-SECAM
C
BDL
P
R
CLK
7
112
111
104
101
120
38
SW1
Head
SW2
Head
HPF
TANC
ME
SECAM
DET
Comp
40
X-tal
42
34
2fsc
REC
AFC
PB
APC
Killer
Color
Det.
ID
ACC Det
REC
APC
CR Det
VCO/OSC
PB/REC
Discri
DET
ENV
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
LPF
2M
P
R
4Phase
Gen.
CTL
HPF
fH
TRAP
ACC
1/2
SW
Phase
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
5
6
8
9
10 11
LN21
27
14
AMP
Q853
7
1
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
6
0
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
6dB
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
7
5
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_CSB
2Fsc
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
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
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 4-63.
WF1
WF2
WF3
Y
C
Y
Y
C
Y
C
Y
C
Y
Y
C
Y
C
Y
C
Y
C
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
2
7
IC711
1
5
3
4
NOT
USED
NOT
USED
SYNC_DET
8
SYNC_DET(H)
2
7
1
5
3
4
IC710
D_YV(H)
NOT
USED