B. Lens Motor Drive CircuitThe lens motor (M3) is a stepping motor and rotates in response to drive powerLNSC-A and LNSC-B and pulse signals LNSA, LNSA*, LNSB, and LNSB*.1. Keeping the Lens Motor StationaryAll LNSA, LNSA*, LNSB, and LNSB* are caused to go OFF, thereby stopping andretaining the motor stationary.2. Driving the Lens MotorPulses are applied to each phase in sequence to rotate the motor.Figure 3-202COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)CHAPTER 3 EXPOSURE SYSTEM3-3LNSC-BLNSC-ALNSALNSA*LNSBLNSB*J306- 134V- 4- 5- 6- 2- 3M3DC controller PCBMicroprocessor(Q301)Lens motor
