CXA1785AR Datasheet, PDF (2/29 Pages) Sony Corporation – US Audio Multiplexing Decoder

Block Diagram
CXA1785AR
36
35
34
33
32
31
30
29
28
27
26
25
SYNC OUT ₃₇
SYNC
SEP
SYNC SEP 38
BGP GEN
B-Y
EXT B IN 39
BGP
G-Y
EXT G IN 40
DL
γ
γ
VREF
BRIGHT
INV
BRIGHT
INV
EXT R IN 41
R-Y
Y
DL
γ
BRIGHT
INV
CONTRAST 42
43 Vcc1
F ADJ 44
CLAMP 45
AGC FILTER 46
AGC OUT 47
CLAMP
AGC AMP
G
GEN
AGC DET
PICTURE
P ^REG3
REG2
N
REG1
COMP Y/C
TRAP
HPF
DEMOD
N PN P
PAL SW
PHASE
SHIFT
EXT
SYNC
P
F/F
N
P
IDENT
N
COLOR
KILLER
APC
PICTURE 48
H. FILTER
ACC
COMP Y/C
PAL ON
ACC DET
24 _{B OUT}
23 _{B DC DET}
22 G OUT
21 G DC DET
20 R OUT
19 R DC DET
VEE 18
GND ¹⁷
VXO
HUE
16 VXO OUT
15 APC FILTER
14 VXO IN
NT/PAL/
COLOR
DEFFER
13 HUE
1
2
3
4
5
6
7
8
9
10 11 12
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