Panasonic KX-FP365CX

31
KX-FP365CX / KX-FM388CX
6.4.6. Stepping Motor Drive Circuit (TX)
1. Function
The stepping motor works for reception and copy.
2. Motor
During motor driving, pin 131 of ASIC IC1 becomes high level, IC401 10pin becomes low level, and Q402 turns ON. As a
result, +24V is supplied to the motor coil.
Stepping pulses are output from ASIC IC1 pins, 131, 125, 128~130, causing driver IC402 pins, 16~13 to drive the Motor Coil.
The motor coil is energized sequentially in 2 phase increments, which causes a 1-step rotation.
The timing chart is below.
Stepping Motor Drive Mode
Function Mode Phase Pattern Speed
Copy Fine, Photo 1-2 432 pps (t=1/432)
Super Fine 1-2 216 pps (t=1/216)
FAX Sending Standard 1-2 432 pps (t=1/432)
Fine, Photo 1-2 432 pps (t=1/432)
Super Fine 1-2 216 pps (t=1/216)
Document Feed ——— 1-2 432 pps (t=1/432)
Stand-by ——— All phases are currently off. None