Haier HS-2190, Руководство по обслуживанию

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N901 TMP87CM38N
Reference Voltage(V) Reference
Resistance(K
Ω
)
Pin Function
With signal
Without signal
Forward
Backward
1 Power supply grounding 0 0 0 0
2 Tuning voltage output 4.2 4.2 66 66
3 Vacant pin 5.2 5.2 5.3K 3.4K
4 Mute 0 0 2.8 3.4K
5 External mute 0 0 3.0K 0.9K
6 Vacant pin 0 0 5.4K 3.4K
7 Standby power supply 2.1 2.1 19 1.9K
8 Vacant pin 1~5.1 0 6.7K 3.4K
9 Band 1 0 0 28 46
10 Band 2 1.7 1.7 1.0K 42.7
11 Clock bus control 5.1 5.1 0.7K 12.0
12 Digit bus control 5.1 5.1 44.2 42.1
13 AFC input 2.5 2.5 51.2 51.2
14 Karaoke switch 0 0 45 44.2
15 Keyboard matrix input 5.1 5.1 54 54.8
16 Keyboard matrix input 5.1 5.1 52.8 53.0
17 Vacant pin 0 0 5.6K 5.6K
18 Vacant pin 0 0 5.4K 5.4K
19 Vacant pin 0 0 5.K 5.K
20 Vacant pin 0 0 5.4K 5.4K
21 Grounding 0 0 0 0
22 Red primary color character output 0.1 0.1 2.5 2.5
23
Green primary color character output
0 0 2.5 2.5
24 Blue primary color character output 0 0 2.5 2.5
25 Character blanking 0.2 0.1 2.5 2.5
26 Line flyback 4.2 4.2 40 40
27 Field flyback 4.9 4.9 46 46
28 Character oscillating 4.6 5.0 5.8K 5.8K
29 Character oscillating 4.0 4.6 5.3K 5.3K
30 Grounding 0 0 0 0
31 CPU clock 2.1 2.1 5.5K 5.5K
32 CPU clock 2.1 2.1 5.5K 5.5K
33 CPU reset 5.1 5.1 5.1K 5.1K
34 Vacant pin 0.5 2.7 5.5 3.4K
35 Infrared receiving input 5.2 5.2 12K 52.1
36 Line synchronizing signal input 4.7 5.1 0.9 38.3
37 Clock bus control 3.0 3.0 0.6 12
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