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7. Auto Sweep Motor Circuit
Fig. 7-1 shows the Auto sweep motor drive circuit; the signals shown in Fig. 7-2 are output from pins
●
–
of the micro computer.
48
51
As the micro computer's outputs change as shown in Fig. 7-2, the core of the auto sweep motor is
●
excited to turn the rotor. Table 7-1 shows the rotation angle of horizontal air defl ectors.
Horizontal air defl ectors motor
Defl ectors
15
7
10
16
6
11
17
5
12
18
4
13
8
IC501
0V
Fig. 7-1 Auto Sweep Motor Circuit (Horizontal air defl ectors)
Fig. 7-2 Micro computer Output Signals
Table 7-1 Auto sweep Motor Rotation
Rotation angle per step (° )
12V
CN12
1
2
3
4
5
0.0879
7.47
– 53 –
Auto sweep motor for
horizontal air deflectors
Rotor
Time per step (ms)
10
850
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