Reference Voltage(V)
Reference
Resistance(K
Ω
)
Pin Function
With signal
Without signal
Forward Backward
34
Sandcastle pulse input
1.2
1.2
10.4
10.4
35
Video switching signal output
3
2.8
2.0
2.0
36
Digital circuit power supply
4.9
4.8
1.1
1.1
37
SECAM B-Y signal input
2.6
2.6
8.2k
4.7k
38
SECAM R-Y signal input
2.6
2.6
7.6k
4.8k
39
Y signal input
3
3
6.7k
4.8k
40
Line AFC filtering
6.8
6.8
7.7k
4.9k
41
External video/Y signal input
1.6
1.6
6.6k
4.8k
42
Digital circuit grounding
0
0
0
0
43 PIF composite video signal
input
3.3 3.0 6.6k
4.9k
44
Black level detection filtering
2.2
2.3
219
219
45 External chrominance signal
input
2.9 2.9 7.7k
5.0k
46
Y/C circuit power supply
5.1
5.1
1.7
1.7
47
PIF and SIF composite signal
output
3.7 4.2 1.0 1.0
48
Intermediate frequency locked
phase loop filtering
5.0 5.0 7.8k
4.8k
49
VCO and SIF grounding
0
0
0
0
50
Intermediate frequency VCO
8.0
8.0
1.2
1.2
51
Intermediate frequency VCO
8.0
8.0
1.2
1.2
52
VCO and SIF power supply
8.9
8.9
0.9
0.9
53 SIF signal input and
horizontal curve correction
4.3 4.3 18.6
18.6
54
SIF smooth filtering
5.7
5.7
4.2k
1.5k
55
External audio input
4.2
4.2
3.8k
0
56
FM DC negative feedback
3.8
3.8
5.1k
0
21
Summary of Contents for HS-2190
Page 31: ...Note the item marked have been adjusted on product line those may differ in different TV 31 ...
Page 40: ...Terminal view of transistors 2SC4237 2SD1879 2SA608 2SC536 2SB764 2SD400 40 ...
Page 43: ...C Circuit diagrams 43 ...
Page 61: ...Sincere Forever Haier Group Tel 86 532 8938356 Web site http www haier com ...