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VIDEO BLOCK DIAGRAM(2)
MAIN ( VIDEO/N.AUDIO , TERMINAL )
0
3
LINE_OUT
a
DVD_V_IN
b
Y TO SUB
Y
c
MAIN
ALC DET
d
PB COLOR
C
e
Fsc
f
REC COLOR
C
g
V FROM AV
Y
h
Y TO AV
Y
i
FRONT V IN
j
V FROM OSD
k
I2C DATA A/V
l
I2C CLK A/V
m
REAR_V_IN
n
FRONT IN
J7001
2
VIDEO
1
REAR IN
J7002
4
VIDEO
1
LINE OUT
J7002
8
VIDEO
5
TO
TUNER
TU_VIDEO
RF_VIDEO
TO
SYSCON
V FROM_OSD
_
2Fsc
V.PULSE
NORM/MESEC/S
C.SYNC/V.REF
V_TO OSD
I2C_CLK_A/V
I2C_DATA_A/V
NOT USED
Note:For the waveforms in this schematic diagram,refer to page 2-52.
WF4
TP106
PB.FM
Q21
Q7-Q9
BUF
BUF
& EQ
WF1
WF2
WF3
26
29
27
30
2
1
BDL
C
VCA
LPF
BDL
C.K
R
P
6dBAMP
6dBAMP
LEVEL
Det1
N
P
C.SQUELCH
CLPF
B.E
LEVEL
B.D
Det2
R
P
SQUELCH
WHITE
LIMITER
EXT
CLEAR
CLPF
SYNC
INT
25
Sync.Sep.
Main
Main
Conv2
Conv1
C.K
L-SECAM
L-SECAM
P
P
R
R
P
PILOT
BPF
C
ADD
MIX
R
LEVEL
ADJ
Clamp
R
REC
N.L.
N.L.
De.Emph
Emph
AGC Det
P
21
PB
ALC
SQPB
SQPB
SQPB
D.E.
P
EQ
ET
APT
CTL
N.C.
22
ATT
(-10dB)
R
FBC/ALC
20
NOT
ATT
(-10dB)
USED
Video
AGC
18
ATT
(-10dB)
YNR
DO
16
DO
C
Y
/REC
ATT
(-10dB)
BDL
C
WF10
I2C
BDL
R
P
R
P
Clamp
LOGIC
46
LPF
Clamp
DATA
45
CLK
10
11
6
12
13
FILTER
WF9
WF8
Y
2-49
Q10
Q12
BUF
BUF
X2
X1
Q24
BUF
44
34
42
40
38
LPF
X-tal
CR Det.
VCO/OSC
2fsc VCO
2fsc
P
R
fH LOCK CTL
Head SW1
Color Killer
PB
REC
REC
PB/REC
APC
Head SW2
ID Det.
APC
AFC
Discri
Delay
APC
ACC Det
SW
1/2
HPF
1/2
DOWN
Conv
.
2FL
VCO
Phase SW
.
Pulse
Gen.
ME
SECAM
DET
4Phase
Gen.
SP
P
DET
2M LPF
CTL
TRAP
ACC
DET
fH HPF
R
EP
(LP)
P
HPF
TRAP
R
L-SECAM
LPF
REC
YCA
MUTE
L-SECAM
COMP
SEP
.
P
SQPB
SQPB
P
629
G
FM AGC
DL
EQ
TRAP
EQ
R
CH2
DET
SQPB
DO
DLIM
Det
CH1
DeMOD
ET
LPF
ET
Sub LPF
REC
Main
Filter
De.Emph
CH2
FM MOD
CH1
R
P
fo/Dev Adj
Main Emph
Carrier Offset
S-DET
W
.C/D.C
Y LPF
P
R
14
7
8
WF7
Q17,Q33
FILTER
ES
2-50
TO
FMA/DEMOD
Fsc
TP111
D.FF
WF5
TO
SYSCON
92
D.FF CTL
D.FF
VIDEO_ENV
91
ENV
OUT
100
TANC
81
NOT
Comp
USED
84
WF6
SP2
+
SP2
85
-
U.DRUM
VIDEO
CN1
HEAD
SP1
-
8
8
6
86
SP CH2
7
7
SP1
5
6
6
+
SP CH1
4
5
5
+
4
4
3
LP/EP_CH2
88
3
3
EP2
2
-
2
2
LP/EP_CH1
1
1
1
EP2
-
89
EP1
+
EP1
90
IC1
( VIDEO & AUDIO
SIGNAL PROCESSOR )
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