Pin Details of IC LA7801

Pin Details of IC LA7801

Functions :

  1. AFC detector
  2. Vertical oscilator
  3. Vertical driver
  4. Horizontal oscillator
  5. Sync separator
  6. Vertical blanking

Pin

No.

Function
Voltage
1.
AFC output
6.3
2.
AFC input to horizontal oscillator
6.7
3.
Horizontal oscillator output(15625Hz)
0.5
4.
Shut down circuit
0
5.
Ground (-Ve)supply voltage
0
6.
Vertical driver output (50Hz)
0.5
7.
Feedback (output to input)
3.5
8.
Feedback (output to input)
0.2
9.
Vertical blanking output(50Hz)
0.2
10.
(50Hz)vertical oscillator frequency adjust(V-hold)
6.2
11.
(50Hz)vertical oscillator time constan circuit
0.1
12.
Positive (+Ve)supply voltage
12
13.
Sync separator
1.2
14.
Sync separator input
10
15.
Supply voltage regulator
12
16.
AFC input
4.3



 
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