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Haier 21F8A - Page 29

Haier 21F8A
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28
R
eference voltage V
Reference resistor
No
Function
NO signal Ssignal
POSITION
N
egative
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