AN5195K-C
ICs for TV
■ Terminal Equivalent Circuits (continued)
Pin No.
Equivalent circuit
Description
DC (V)
9
Black level detection pin:
Blanking off SW pin
DC
approx. 5.1 V
Black level detection filter pin for
black extension circuit
•
•
•
9 V
(VCC1
)
5 V
(VCC3
80 µA
Holds the most black Y level except
blanking period
)
−Y
75 kΩ
80 kΩ
Changes operating sensitivity (area
judged as black) of black extension
by external R
10 kΩ
5.1 V
To blanking
circuit
Responds with small area when R
goes large.
To black
9
expansion circuit
100 µA
R
To stop the black extension, set pin
9 to VCC (9 V).
•
•
180 kΩ
4.7 µF
Connected to GND, blanking comes
off. (also the black extension is off)
10
YS input pin:
AC
9 V
(VCC1
To RGB output
circuit
)
Fast blanking pulse input pin for
external analog RGB
(Pulse)
•
50 µA
Turns on at a voltage of 1 V[0-p] or
more and off at 0.4 V[0-p] or less.
•
From
microcomputer
0.7 V
2.7 kΩ
30 kΩ
10
100 µA
100 µA
9 V
11
12
13
Pin 11: External R input pin:
Pin 12: External G input pin:
Pin 13: External B input pin:
AC
(VCC1
)
Pins 11,12,13
Output changes linearly according
to input level.
•
To
color
circuit
BGP
200 µA
14
VCC1 (typ. 9 V):
DC
9 V
Output part of VIF and SIF circuit
AV SW circuit
•
•
•
•
Video circuit
RGB circuit
15
16
17
Pin 15: R-out pin:
Pin 16: G-out pin:
Pin 17: B-out pin:
AC
9 V
(VCC1
)
100 Ω
50 Ω
100 µA
Pins 15
16
BLK level: Approx. 0.9 V
•
Black (pedestal) level: Approx. 2.2 V
Blanking can be released when pin 9
(black level detection pin) is set at 0 V.
•
•
C out
17
500 µA
16
PANASONIC [ PANASONIC ]
