KX-MB2110RUW, KX-MB2130RUW, KX-MB2170RUW, KX-MB2117RUB, KX-MB2137RUB, KX-MB2177RUB - Panasonic Copying Equipment Service Manual (repair manual). Page 46

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46
KX-MB2110RUW/ KX-MB2130RUW/ KX-MB2170RUW/ KX-MB2117RUB/ KX-MB2137RUB/ KX-MB2177RUB
6.8.4.
Flat torque 1-2 phase excitation (half step) 
1. Timing chart
2. Wave form
PHA1
5V/Div
10V/Div
0.5A/Div
Pin13 of
IC600 or
IC700
Motor
current
Fig. 3
Motor current is changed according to the scan speed.
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