Motor Drive Circuit - Brother P-touch 65 Service Manual

3.2.6

Motor Drive Circuit

Figure 3.2-8 shows the motor drive circuit of the DC motor which feeds tape.
Through P10, the CPU produces a start/stop control signal to the motor drive circuit.
Figure 3.2-9 shows the part of motor waveforms.
#2 (BA6220) is an electronic governor IC and controls to keep the rotation speed of the
motor constant even if the power source voltage (VBT) varies.
Figure 3.2-8 Motor Drive Circuit
Figure 3.2-9 Part of Motor Waveforms
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