JVC RX-8012PSL Service Manual page 18

RX-8012PSL
3.Functions
pin
Symbol I/O
no
YIN
1
I Lux signal Input terminal for Superinpause indication
2 VIN I 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 IOUT O Color (Lux) signal output terminal
Character output terminal
6 VOC
O
Power supply terminal
7 Vcc
-
8
EXS I Clock generator outside circuit terminal for color burst
9
XS O
10 HSYNC O
Horizontal signal output terminal
O Vertical signal output terminal
11
VSYNC
12 EXT horizontal signal input terminal
EXHSYN I
EXT vertical signal input terminal
13 EXVSYN
I
GND
14 Vss
-
Dot clock generator outside circuit signal terminal for indication
15 EXD
I
16 XD O
17 Character & background signal output terminal
VOB O
Color signal (Green, Red, Blue)
18 O
GOUT
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
Chip select terminal
24
CS
I
25 Contrast signal output terminal
COUT O
26 Composite video signal output terminal
VOUT O
27 O Lux signal output terminal
YOUT
28 Analog GND terminal
AVss
-
NJM2285V-W (IC202) : 2-input 3-channel video switch
IN1A GND1
16 15
BIAS TYPE
L
H
1 2
IN1B CTL1
1-18
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Function
+
IN2B V CTL2
14 13 12
H
CLAMP TYPE
3 4 5
OUT1 GND2 OUT2
IN2A GND3
11 10
L
CLAMP TYPE
6 7
OUT3 CTL3
IN3B
9
H
L
8
IN3A