Service manual

73
Pin
Name
Voltage and
Peripheral circuit of pins Description of function
No. wave Information
20 Y. OUT
23 R-Y OUT
24 G-Y OUT 5.4V
25 B-Y OUT
26 OSD B
27 OSD G
28 OSD R
29 TINT CONT. 4.5V
Video output pin. when
a flybaxk pulse is
entered for blanking
from outside, a blanking
pulse is entered internal-
ly and a chroma symbol
is also blanked. The
blanking threshold volt-
age is 7.1V.
Open emitter output with
maximum current of
about 5mA.
Input impedance is
50kΩ. apply voltage of
2.5V or more ewhen
insedring a character
signal.
Tint control pin.
DESCRIPTION OF PIN (cont).
200
2k
1k
10k
30k
10k
600 200
60
300
50k
Vth
2.5V
12k
2k
4.5V