Advertisement
Pin No.
52
Field reference current forming
53
AGC decoupling
54
High amplifier AGC output
55
Audio deemphasis
56
Sound demodulation and decoupling
3. N502
SAA4961 Integrated comb filter
Pin No.
1
Standard color sub-carrier input
2
Earth
3
Earth
4
Earth
5
Band-pass filter decoupling
6
Earth
7
Simulated power
8
Simulated power buffer
9
Simulated earth
10
External chrominance signal input (blank for this set)
11
Earth
12
Chrominance signal input
13
Earth
14
Brightness signal output
15
Blank
16
Earth
17
CVBS input
18
Blank
19
Storage capacitance
20
System selection
21
Digital earth
22
Digital power supply
23
System selection 2
24
Delay line decoupling capacitance
25
Comb filter output
26
PLL earth
27
PLL power supply
28
Earth
4. N450
TDA9178 Picture intensifier circuit
Pin No.
1
Sandcastle pulse input
Functions
Functions
Functions
Working voltage (V)
Working voltage (V)
Working voltage (V)
15
3.87
4.25
6.52
2.91
2.07
4.3
0
0
0
1.27
0
4.85
4.83
0
1.39
0
1.3
0
1.65
1.66
0
1.55
1.5
1.47
0
0
4.82
3.98
1.28
4.8
0
4.85
0
0.78
Advertisement
