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7. Auto Sweep Motor Circuit
Micro computer
Fig. 7-1 shows the Auto sweep motor drive circuit; the signals shown in Fig. 7-2 are output from pins
G
–
of the micro computer.
15
18
Micro computer pins
Horizontal air deflectors
As the micro computer's outputs change as shown in Fig. 7-2, the core of the auto sweep motor is excited
G
to turn the rotor. Table 7-1 shows the rotation angle of horizontal air deflectors.
Horizontal air deflectors
0301E (30CH6) pg 47-68
15
1
16
16
2
15
17
3
14
18
4
13
8
IC501
0V
Fig. 7-1 Auto Sweep Motor Circuit (Horizontal air deflectors)
1
2
15
16
17
18
Fig. 7-2 Micro computer Output Signals
Table 7-1 Auto sweep Motor Rotation
Rotation angle per step (° )
52
12V
CN12
1
2
3
4
5
Step width
3
4
5
Time per step (ms)
0.0879
– 52 –
16/12/05, 2:49 PM
Auto sweep motor for
horizontal air deflectors
Rotor
Horizontal air
deflectors: 10ms.
6
7
8
10
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