Toshiba 4560 Service Manual page 319

18.12.4 Pulse motor output circuit
This is the pulse motor output circuit.
Motor rotation speed and rotation direction is controlled by inputting the pulse motor drive excitation
pattern signals to PMA1/2 and PMB1/2. The motor current is set by inputting the PWM signal to PWMMOT.
18.12.5 Clutch output circuit
This is the drive circuit of the electromagnetic clutch. The clutch is turned ON when the input signal is "0"
(0 V) in any case.
Nov. 1997 © TOSHIBA 18 - 61 4560/4570 RADF