JVC RX-7000RBK Service Manual page 19

3.Pin functions (MB90088PF-131)
pin
Symbol I/O
no
YIN
1 I Brightness signal Input terminal for Superinpause indication
VIN I
2 Composite video signal input terminal for Superinpause indication
3 CIN Contrast signal input terminal for Superinpause indication
I
- Analog power supply terminal
4 AVcc
5 O Color (Brightness) signal output terminal
IOUT
6 VOC Character output terminal
O
Power supply terminal
7 Vcc
-
8
EXS I Clock generater outside circuit terminal for color burst
9
XS O
10 HSYNC O
Horizontal signal output terminal
O Vertical signal output terminal
11 VSYNC
12 I EXT horizontal signal input terminal
EXHSYN
13 EXT vertical signal input terminal
EXVSYN
I
14 Vss GND
-
Dot clock generater outside circuit signal terminal for indication
15 EXD
I
16 XD O
Character & background signal output terminal
17 VOB O
Color signal (Green, Red, Blue)
18
GOUT O
19
ROUT
20 BOUT
21 I Test signal input terminal
TEST
22 Shift clock input terminal for serial transmission
SCLK I
23 Serial data input terminal
SIN I
24 Chip select terminal
CS
I
25 Contrast signal output terminal
COUT O
26 Composite video signal output terminal
VOUT O
27 O Brightness signal output terminal
YOUT
28
AVss Analog GND terminal
-
NJM2285D (IC202) : Video switch
1.Terminal layout & Block diagram
IN 1A GND 1 IN 2B
16 15 14
Clamp Type
L
Bias Type
H
1 2 3
IN 1B CTL 1 OUT 1 GND 2 OUT 2
Function
V+ CTL 2 IN 2A GND 3
13 12 11 10
H L
Clamp Type
4 5 6 7
OUT 3 CLT 3
IN 3B
9
H
L
8
IN 3A
RX-7000RBK
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