Daewoo DVN-14F6N Service Manual page 78

DESCRIPTION OF PIN
(cont).
Pin
Name
No. wave Information
BLACK
34
HOLD
KILLER
35
FILTER
36 CONTRAST
GND-2
37
(VCD)
CHROMA IN/
38
BRIGHTNESS
Voltage and
About 3.2V
7.6V
at signal input
Normally 4.8V
Applied
from outside
4.5V
Peripheral circuit of pins
R
1.5k 1.5k
1.15k 375
4.7k
1.7k
40k
5k
200
30p
100
20k
20k
40k
33p
4.5V
75
Description of function
Pin holding the most
dark part of a video sig-
nal. As R is increased,
the black peak is held;
contrarily, the peak gets
cloaer to an average.
2k
To decrease killer sensi-
tivity, connect a several
M of resistor between
the pin and GND.
3.2k
Can be controlled by
5.1V center
20k
Chroma signal standard.
Make an entry at
200mV - . This pin is
P P
also used as a bright-
670
ness control pin. DC
reproduction ratio is
100%.