SLV-777HF/778HF/788HF
3-2. VIDEO BLOCK DIAGRAM
3-3
3-4
IC521
OSD
BOARD
JK-162
VIDEO
MA-327 BOARD
1
CJ801
CN801
L2 V
1
CN423
IF702
8
FROM/TO
TUNER
BLOCK
TU V
CLP
CLP
CLP
34
28
32
30
35
DRUM
VIDEO
HEAD
SP
CH1
SP
CH2
EP
CH1
EP
CH2
CN260
ENV
DET
3
2
5
6
13
14
11
10
18
SW7
SW3
SW3
PB
PB
SW8
SW4
SW10 SW6
PB
PB
SW9
SW5
4
12
SW1
SW2
REC
REC
COMP
LOGIC
HPF
REC
IDEL
26
16
29
19
20
17
21
VCA
C SYNC
DATA
CLOCK
RF SWP
C ROT
L263
L262
SW5V
2
3
CN261
CHECK
PIN
REC CURR
PB RF
RF SWP
10
7
6
9
8
13
12
11
1
IC260
VIDEO REC/PB AMP
Y/C 1
Y/C 2
Y/C 3
IC201
Y/C PROCESSOR
VIDEO
AGC
SUNC
SEP
37
Y/C
MIX
R
P
R
P
QH/QV
INS
R
P
VIDEO
AMP
SEP
Y NR
CLP
38
40
42
R
P
5
1H
DL
7
10
CLK
Q209
BUFFER
IC202
(1/2)
Q212
BUFFER
C ROT
66
15
PB Y/C
KIL
SEQ
C
LPF
14
20
P
R
P
R
ACC
AMP
MAIN
COMV.
N
S
P
R
16
18
REC RF
FM
AGC
DEM
P
R
BPF
DL
EQ
3
1H
DL
13
Q210
BUFFER
48
25
IC202
(2/2)
1
50
DE
EMPH.
Q208
52
26
CLP
PRE
EMPH.
FM
MOD
REC
EQ
R
P
R,A
B
R
P
VXO1
56
55
X202
(1/2)
L204
47
C VCC
36
Y VCC
SW5V
CV IN
10
8
3
CS
4
S CLK
5
S IN
OSC
CV OUT
30
VIDEO RF
IC160
8
C SYNC
IC160 84
S OUT1
IC160 65
S CLK1
IC160 67
RF SWP
IC160 18
FROM/TO
SYSCON
BLOCK
Q202
BUFFER
17
Q260
BUFFER
C
TRAP
22
28
PB RF
REC RF
Q201
BUFFER
3.579MHz
Q211
BUFFER
FSC
BPF
46
45
33
Q523
BUFFER
BUFFER
Q560
RF VIDEO
TU701 5
SI0
, CN105
9
SO0
SCK0
V MUTE
IC160 47
Q VD
IC160 13
I2C DATA VIDEO
IC160 52
SERIAL
DECODER
64
I2C CLOCK VIDEO
IC160 51
63
FROM/TO
SYSCON
BLOCK
TO
TUNER
BLOCK
LINE 2
IN
CJ570
LINE 1
IN
VIDEO
CJ570
LINE
OUT
VIDEO
PB
EQ
N
S
17
HOR
19
P0
14
Q524
MUTE
IC160 69
, CN105 10
IC160 70
IC160 64
L2 V
(SEE PAGE 4-28)
(SEE PAGE 3-12)
(SEE PAGE 4-5, 8, 15)
(SEE PAGE 3-6)
(SEE PAGE 3-6)
(SEE PAGE 3-11)
IC201
@•
REC
1Vp-p
H
IC260
#º
REC
0.5V/Div
0.1
µ
sec/div
IC260
@•
REC
20mV/Div
0.1
µ
sec/div
IC260
@™
PB
200mV/Div
0.1
µ
sec/div
IC260
!•
REC/PB
IC260
!¶
REC/PB
2.3Vp-p
H
5Vp-p
30Hz
5Vp-p
30Hz
IC201
#¶
REC/PB
4Vp-p
H
IC201
$∞
PB
500mVp-p
H
IC201
#∞
REC
1Vp-p
IC201
#•
REC/PB
H
IC201
%§
REC
3.579545MHz
550mVp-p
IC201
%§
PB
3.579545MHz
500mVp-p
IC201
$•
REC
IC201
%º
REC
0.23Vp-p
H
IC201
$•
PB
IC201
%º
PB
340mVp-p
H
IC201
@∞
REC
0.5Vp-p
H
IC201
!∞
PB
200mV/Div 0.1
µ
sec/div
CN261
3
PB
200mV/Div 0.1
µ
sec/div
CN261
1
REC
IC260
4
REC
1V/Div
0.1
µ
sec/div
CN261
2
PB
IC521
!º
REC/PB
2Vp-p
H
H
IC201
!¶
PB
200mV/Div
0.1
µ
sec/div
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