Toshiba 3511, 4511 manual Drive Circuit of Tray-up Motor, IN1 IN2 Brake CCW, Stop

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

Thermal shut-down
overcurrent
protection circuit
Control logic
1	2	3	4	5	6	7
IN1	IN2	M(+)	GND	M(–)	N.C.	VCC
		TUP1A		TUP2A
			Fig. 10-301

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.

	Input		Output		Remarks
IN1		IN2	M (+)	M (–)
H		H	L	L	BRAKE
L		H	L	H	CCW
H		L	H	L	CW
L		L	OFF (high impedance)		STOP

e-STUDIO3511/4511 PAPER FEEDING SYSTEM 10 - 10 November 2003 © TOSHIBA TEC