Pin No.
Pin name
6
fV 50/60
switch
7
Power supply
(synchronous
section)
8
Color killer
output
9
Blanking pulse
output
10 HD pulse
output
11 VD pulse
output
12 Y output
13 R-Y output
14 B-Y output
15 GND (video
section)
6
µPC1830
Equivalent circuit
VCC
5 kΩ
6
20 µA
Function descriptions
Vertical frequency (fV) switch pin.
When the pin voltage is 2.2 V or
less, the vertical frequency
changes to 50 Hz; when 2.8 V or
more, to 60 Hz.
Synchronous section power supply.
VCC
8
9
10
11
40 kΩ
500 Ω
1 kΩ
500 Ω
Color killer output pin.
Horizontal blanking pulse output
pin.
HD pulse output pin
VD pulse output pin.
VCC
12
13
14
2 mA
50 Ω
Y signal is output.
DC level is approx. 2.0 V.
Decoder R-Y and B-Y color
difference signal output pins.
DC level is approx. 2.5 V.
Video section ground.