16
15
BLOCK DIAGRAM-4 (VIDEO SECTION)
ACC
C. COMB
LPF
Y
DELAY
MAIN
CONV
C LPF
PB EQ
LPF
YNR
NL
DE EMP
Y/C
MIX
6dB AMP
CLAMP
SERIAL
DECODER
IIC BUS
INTERFACE
DATA
ACQUISITION
SYNC
SEP
DATA
LATCH
DOUBLE
LIMIT
PB
PEAKING
MAIN
DE-EMPH
V.H S/W
A.AMP
SW
A.MUTE
"H"
CLOCK DATA C SYNC
V.OUT
(TO MICOM)
PB FM
AGC
ENV
DET
FM
DEM
SUB
LPF
SP ’B’ PB
SP ’A’ PB
V. ENV
COLOR
ROTARY
88
57
74
59
52
54
51
61
72
71
46
45
43
41
91
93
10
18
17
21
20
23
24
28
29
11
LP ’A’ PB
LP ’B’ PB
82
85
IC301
LA71598M
AUDIO/VIDEO
PROCESSOR
IC301
LA71598M
AUDIO/VIDEO
PROCESSOR
IC7V1
LC74793
VPS/PDC DECODER
Q301
Q302
Q303
Q304
Q304
6
7
16
FROM
CYL.HEADS
To
CYL.HEADS
To
SYSTEM CONTROL/
SERVO/OSD
SECTION
To
SYSTEM CONTROL/
SERVO/OSD
SECTION
SP REC
C. SYNC
REC ’H’
V.OUT
(TO MICOM)
90
LP REC
84
71
72
61
51
52
54
57
59
46
45
43
41
38
36
32
31
30
29
28
19
18
+
REC FM
EQ
FM
MOD
W/D
CLIP
MAIN
EMPH
AGC
FBC
NL EMPH
DETAIL
ENH
Y-LPF
YNR
BPF1
C. COMB
BPF
Y
DELAY
COMB
AMP
CCD
LPF
S/W
V. IN 1
V. IN 2
V.H S/W
A.AMP
SW
A.MUTE
"H"
COLOR
ROTARY
10
11
SERIAL
DECODER
CLOCK DATA
23
24
Q303
To
Hi-Fi AUDIO/
SCART
SECTION
To
SCART
SECTION
:PB VIDEO SIGNAL
:PB YSIGNAL
:REC VIDEO SIGNAL
:PB CHROMA SIGNAL
:REC Y SIGNAL
:REC CHROMA SIGNAL
R308,R309,
C309
<935>