Stepping Motor Drive Circuit (Paper Feed Motor); Main Oscillating Circuit - Brother SC-2000 Service Manual

1.6

Stepping Motor Drive Circuit (Paper feed Motor)

Fig. 3.5 shows the paper feed motor drive circuit.
The 25, 24 division stepping motor is used to feed a draft sheet or an ID label from
the manual insertion opening or the magazine tray to the platen.
The drive circuit is unipolar.
1.7 Main Oscillation Circuit
Fig. 3.6 shows the main oscillation circuit.
This circuit contains an oscillator and generates an oscillation at 16 MHz (basic
clock for the CPU).
Fig. 3.5 Paper feed Motor Drive Circuit
Fig. 3.6 Main Oscillation Circuit
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