Drive Circuit Of Tray-Up Motor - Toshiba e-studio3511, e-studio4511 Manual

10.3 Drive Circuit of Tray-up Motor

Tray-up motor (TRY-MTR) : Driven by IC6 (upper/lower drawer) (LGC: TA8428)
Block diagram of TA8428
10
IN1 and IN2 are input terminals to receive the signals from the microcomputer. The control logic, based
on the signals from the microcomputer, controls ON/OFF of the motor rotation direction.
e-STUDIO3511/4511 PAPER FEEDING SYSTEM
Thermal shut-down
overcurrent
protection circuit
Control logic
1 2
IN1 IN2 M(+)
TUP1A
Input
IN1
H
L
H
L
3 4 5
GND M(–)
TUP2A
Fig. 10-301
Output
IN2 M (+) M (–)
H L L
H L H
L H L
L OFF (high impedance) STOP
10 - 10
6 7
N.C. V
CC
Remarks
BRAKE
CCW
CW
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