28
Reference voltage V
Reference resistor
No
Function
NO signal
Ssignal
POSITION
Negative
49
+5V power supply
0
0
0
0
50 R
output 8.2
8.2
550
1000
51 G
output 8.2
8.2
650
1000
52 B
output 9.0
9.0
450
600
53
TV analogy ground
4.0
4.0
820
2000
54 Ground 5.6
5.6
800
1300
55
+5V power supply
3.2
3.2
800
2000
56 Mute 1.7
1.7
800
2000
57 I
2
C data
0
0
600
12500
58 I
2
C serial
0
0
600
12500
59 System
control 0.1
0.1
600
12500
60
Tuner voltage output
4.4
4.4
600
10000
61
Video selection contron
0.2
0.2
600
10000
62 H-synchron 4.5
4.5
600
12500
63
Remote contron signal input
5
5
600
12500
64 Standby
control 3.6
待机
0V
600 8000
Circuit Explanation