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2.3.3 Head and Motor Power Supply ON/OFF Circuit
Turning the CPU status of 91pin (VHON) to High, Q2 turns ON, V
H
(25V power
supply) turns ON and consequently the head and motor is energized.
Turning the CPU status of 91pin (VHON) to Low, Q2 turns OFF, V
H
(25V power
supply) turns OFF and consequently the head and motor power supply is cut off.
Figure 2.3-4 Head and Motor Power Supply ON/OFF Circuit
Содержание TD-4000
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