Read Sharp AU-X095 Service Manual online
12
AH-X075E/X095E
AU-X075E/X095E
AY-X075E/X095E
AE-X075E/X095E
AU-X075E/X095E
AY-X075E/X095E
AE-X075E/X095E
Stepping Motor Circuit
This is a circuit to drive the stepping motor for operating the louver. The drive pulse is shown in the diagram below.
IC2 is a transistor array that sends the current flowing to the motor coil.
12V
12V
IC2
CPU (IC1) pin 50
CPU (IC1) pin 51
CPU (IC1) pin 52
CPU (IC1) pin 53
LOUVER MOTOR
Power supply
clock
CPU (IC1)
pin 50
CPU (IC1)
pin 51
CPU (IC1)
pin 52
CPU (IC1)
pin 53
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