Pin Details of IC KA2151

Pin Details of IC KA2151

Substitute : TA7193AP

Functions :

  1. Chroma band pass amplifier
  2. R-Y & B-Y Demodulator
  3. G-Y matrix
  4. Burst Gate
  5. Chroma burst amplifier
  6. Chroma subcarrier oscillator
  7. Oscillator control
  8. Colour killer detector & colour killer
Pin No.
Functions
Voltage
1.
G-Y signal output
7.5
2.
B-Y demodulator input
3.5
3.
R-Y demodulator input
3.5
4.
Flip flop (PAL switch)
0.3
5.

Voltage controlled oscillator(4.43Mhz)

Reference oscillator

3.5
6.
4.43Mhz crystal for subcarrier oscillator
3.5
7.

Voltage controlled oscillator(4.43Mhz)

Reference oscillator

3.5
8.
Phase control
9.5
9.
APC detector & phase detector input
8.5
10.
APC detector & phase detector input
8.5
11.
Burst signal to killer & ident detector
4.5
12.
Ground (-Ve)supply voltage
0
13.
Burts gate
2.3
14.
input
1.9
15.
Chroma video signal input
1.2
16.
ACC amplifier
8.9
17.
Chroma burst amplifier output
8
18.
Gain controlled amplifier supply voltage (colour)
6.4
19.
Gain controlled amplifier (colour)
10.4
20.
Gain controlled amplifier (colour)
8.8
21.
Killer & ident detector input
6.5
22.
Positive (+Ve) supply voltage
12
23.
B-Y signal output
7.5
24.
R-Y signal output
7.5