Pin Details of IC KA2912

Pin Details of IC KA2912

Substitute : uPC1366

Functions :

  1. Video IF amplifier
  2. Video detector
  3. Video amplifier
  4. AGC generator
Pin No.
Functions
Voltage
1.
Video detector
8.9
2.

Flyback (blanking)pulse 15625Hz.

input for IF AGC generator

1
3.
Composite video signal output
3.2
4.
AFC time constant
1.9
5.
RF AGC adjustment
6.3
6.
Delayed AGC control voltage output to tuner
3.6
7.
Positive(+Ve)supply voltage Vcc1
11
8.
Video IF input
5.7
9.
Video IF input
5.7
10.
Video IF amplifier
5.7
11.
Video IF amplifier
5.8
12.
Positive(+Ve)supply voltage Vcc2
7.3
13.
Ground (-Ve)supply voltage
0
14.
Video detector
8.9