SLV-772HF/779HF
3-2. VIDEO BLOCK DIAGRAM
3-3
3-4
MA-341 BOARD
MF-316
BOARD
FROM
TUNER
BLOCK
TU VIDEO
CLP
CLP
CLP
32
35
37
39
31
DRUM
VIDEO
HEAD
SP
CH1
SP
CH2
EP
CH1
EP
CH2
CN260
16
19
24
21
5
SW3
PB
PB
PB
PB
17
22
REC
REC
COMP
AGC
DET
13
L270
SW5V
2
3
CN270
CHECK
PIN
PB RF
RF SWP
10
7
6
9
8
13
12
11
IC260
VIDEO REC/PB AMP
IC201
Y/C PROCESSOR
VIDEO
AGC
SYNC
SEP
28
Y/C
MIX
R
P
R
P
LPF
1H
DL
Q203
BUFFER
2
KIL
C
LPF
P
R
P
R
ACC
AMP
N
S
P
R
16
7
REC Y RF
DOUBLE
LIM
DEM
BPF1
DL
EQ
55
1H/2H
DL
52
59
53
61
MAIN
EMPH.
FM
MOD
REC
EQ
VXO1
(1/2)
1
C SYNC
IC160 58
RF ENV
IC160
8
ENV SW
IC160 17
HA SWP
IC160 16
RF SWP
IC160 18
FROM/TO
SYSCON
BLOCK
7
9
PB RF
REC RF
BUFFER
Q500
TO
TUNER
BLOCK
CJ561
LINE 1
IN
VIDEO
CN423
CN491
CJ801
LINE 2
IN
VIDEO
CJ561
LINE
OUT
VIDEO
AGC
ATT
11
10
12
REC H
REC C
REC CUR ADJ
TRICK H
HA
CONT
ENV
DET
6
2
3
4
TU701 28
P
R
PIC
CONT
DHP
NC
N.L
De-EM
CHARA
INS
FBC 1/2
6dB
AMP
R
P
YNR
29
KIL
B.D
23
24
43
46
47
CLP
41
INV
63
50
CLK IN
AMP
LPF
R
P
BPF2
MAIN
CONV.
BACK UP
AMP
SUB
BPF
SUB
COMV.
1
FM
AGC
4
SQPB
EQ
PB
EQ
6
8
BUFFER
Q201
SUB
LPF
R
P
Q202
BUFFER
CLP
10
17
95
N.L
EMPH.
DETAIL
ENH
REC H
REC CUR ADJ
TRICK H
REC C
16
99
PB
BGA-B
REC
BGA
PB
BGA-A
B
PA
REC
APC
67
66
VCO
65
62
60
SLD
X201
3.579545MHz
RF SWP
RF ENV
ENV SW
HA SWP
C SYNC
98
RW SWP
97
HA SWP
96
C ROT
SERIAL
DECODER
20
21
C ROT
IC160 15
I2C CLK
IC160 71
I2C DATA
IC160 72
JS202
Q502
OSD
OSD
OSD V IN
50
C VIDEO IN
56
52
OSD V OUT
IC160
(1/3)
BUFFER
Q561
RF VIDEO
TU701 5
25
Q VD
Q VD
IC160 13
BLOCK
FROM
SYSCON
(SEE PAGE 3-6)
(SEE PAGE 3-5)
1
1
(SEE PAGE 4-23)
(SEE PAGE 3-5)
(SEE PAGE 3-6)
(SEE PAGE 4 – 7, 9)
IC201
#¶
REC
1.0Vp-p
H
IC201
@•
REC/PB
4.2Vp-p
H
IC260
4
REC/PB
3.6Vp-p
V
IC260
!º
REC
480mVp-p
H
IC260
9
REC
0.1
µ
sec/div
50mV/div
IC260
7
PB
0.4Vp-p
V
IC201
1
PB
0.4Vp-p
IC260
@™
REC
0.1
µ
sec/div
0.5V/div
IC201
2
REC
480mVp-p
H
IC201
@£
PB
480mVp-p
H
IC201
@ª
REC
2.2Vp-p
H
IC201
@ª
PB
2.3Vp-p
H
IC160
%™
OSD V OUT PB
2.3Vp-p
H
IC160
%™
2.2Vp-p
H
OSD V OUT
REC
IC160
%º
OSD V IN REC
IC160
%º
OSD V IN PB
2.2Vp-p
2.3Vp-p
H
H
IC160
%§
2.1Vp-p
H
C VIDEO IN
REC/PB
IC201
^¶
REC/PB
460mVp-p
3.579545MHz
IC201
(•
1.5Vp-p
30Hz
RF SW P
REC/PB
Summary of Contents for SLV-772HF - Video Cassette Recorder
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