SLV-798HF/998HF
3-2. VIDEO BLOCK DIAGRAM
3-3
3-4
IC201
@•
REC
1Vp-p
H
#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
H
IC201
#•
REC/PB
2Vp-p
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
1
REC
IC260
4
REC
1V/Div
0.1
µ
sec/div
IC871
#º
REC/PB
4.8Vp-p
8MHz
Q802
0.2V/Div
0.1
µ
sec/div
B
PB
IC500
3
,
@∞
REC/PB
2Vp-p
H
IC501
!º
REC/PB
503.5kHz
0.65Vp-p
IC500
9
REC/PB
5Vp-p
14.31818MHz
Q810
E
PB
0.1V/Div
0.1
µ
sec/div
IC500
OSD
BOARD
JK-159
VIDEO
MA-318 BOARD
1
CJ801
CN801
L2 V
1
CN423
TU700 36
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
SW1
REC
COMP
LOGIC
HPF
REC
IDEL
26
16
29
19
20
17
21
C SYNC
DATA
CLOCK
RF SWP
C ROT
L263
L262
SW5V
10
7
6
9
8
13
12
11
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
43
NT
R
P
5
12
1H
DL
7
10
CLK
Q209
BUFFER
IC202
(1/2)
Q505
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
DE
EMPH.
FM
MOD
REC
EQ
R
P
R,A
B
R
P
VXO1
56
55
X201
10 VCO I
(1/2)
L206
L204
47
C VCC
36
Y VCC
SW5V
V IN
3
13
V SYNC
12
H SUNC
25
8
DET
IC501
AFC
XS
9
EXS
8
X500
14.318MHz
24
CS
22
S CLK
23
S IN
11 VCO O
X501
11
V SYNC
VIDEO
2
YOUT
16
SI
VIDEO
26
RF ENV
IC161 60
C SYNC
IC161 66
S OUT1
IC161 80
S CLK1
IC161 81
RF SWP
IC161
1
FROM/TO
SYSCON
BLOCK
Q810
BUFFER
Q809
SW
BUFFER
Q804,D801
Q806-808
Q805
21
SP
SW
WAVE
SHAPER
PB RF
EQ AMP
Q851-854
CLAMP
Q855-857
Q802,803
Q260
BUFFER
C
TRAP
22
28
PB RF
REC RF
Q201
BUFFER
24
AGC
27
Q801
BUFFER
3.579MHz
Q211
BUFFER
VD 5
HD 9
WAVE
SHAPER
Q873,874
FSC
BPF
46
45
33
VIDEO
AMP
Q871,872
Q875
BUFFER
SYNC
DET/SET
31
IC871
H SYNC
28
V SYNC
29
30
17
SO
15
SCK
32
IRQ
19
RESET
X871
Q502
BUFFER
Q503
BUFFER
Q560
P CONT1
CN162 21
RF VIDEO
TU700 5
SI0
CN162 7
SO0
CN162 8
SCK0
CN162 6
V SET CS
CN162 18
SYS RESET CN162 20
HDET
CN162 2
CG CS
CN164 12
CG V
CN164 23
Q VD
IC161
4
I2C DATA VIDEO
IC161 28
SERIAL
DECODER
64
I2C CLOCK VIDEO
IC161 30
63
FROM/TO
SYSCON
BLOCK
TO
TUNER
BLOCK
LINE 2
IN
CJ570
LINE 1
IN
VIDEO
CJ570
LINE
OUT
VIDEO
(SEE PAGE 4-5, 8, 15, 17, 19)
(SEE PAGE 3-12)
(SEE PAGE 4-33)
(SEE PAGE 3-6)
(SEE PAGE
3-6)
(SEE PAGE
3-11)
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Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
