Haier 29F9B-P, Service Manual

Page: 16 / 48

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