II - 13
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
Страница 1: ...SERVICE MANUAL MODEL TD 4000 TD 4100N ...
Страница 139: ...Dec 2009 SM PT031 1 ...