Pin Details of IC TDA 2577A

Pin Details of IC TDA 2577A
Functions :
  1. Horizontal sync separator
  2. Noise Invertor
  3. Horisontal oscillator & drive
  4. Horisontal phase Detector
  5. Vertical oscillator
  6. Sand-Castle Pulse Generator
  7. Vertical Sync Separator & Vertical Driver
  8. Vertical blangking generator
1.Vertical output (50 Hz.)3.4
2.Vertical feedback (output to input)3.5
3.Vertical frequency adjust (50 Hz.)(V-Hold)5.6
4.Vertical sync separator (50 Hz.)2.4
5.Video input to sync separator3
6.Horizontal sync separator (15625 Hz.)6.6
7.Horizontal sync separator (15625 Hz.)5.8
8.Phase detector1 output3
9.Ground (-Ve supply voltage)0
10.Positive (+ Ve supply voltage )12
11.Horizontal frequency out (15625 Hz.)3.2
12.Horizontal flyback pulse input (15625 Hz.)0.4
13.Video transmitter identification / VCR switch11
14.Phase detector 2 output3.7
15.Horizontal oscillator frequency (15625 Hz.) adjustment (H-Hold)4.4
16.Horizontal oscillator start supply circuit 9
17.Sand - castle pulse output1.4
18.Coincidence detector0.6

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