PIN DETAIL of IC A 240

PIN DETAIL of IC A 240


Substitute :TDA 440 S,B


Functions :

1.Video IF amplifier (3 stage)
2.Video detector (Limiter)
3.Sync detector
4.AGC detector
5.Video pre-amplifier

Pin

No.

Function
Voltage
1.
Video IF input
4
2.
Decoupling capacitor for biasing
4
3.
Ground (-Ve terminal)
0
4.
AGC time constant
2
5.
Tuner AGC output
12
6.
Tuner AGC Delay
1
7.
Flyback pulse(15625 Hz)input from EHT
1
8.
FM Detector (Carrier tuning)
7
9.
FM Detector (Carrier tuning)
7
10.
Voltage regulation
0.2
11.
Negative video output
3
12.
positive video output
8.5
13.
Positive (+ Ve supply voltage)
12
14.
Internally connected
4
15.
Decoupling capacitor for biasing
4
16.
Video IF input
4



 
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