Pioneer DVH-3900MP/XZ/EW5 Service Manual page 67

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Figure 16 (Spindle motor driving signal SA1, SA2, SA3 when spindle motor is working)
Figure 17 (Hall sensor signal H1+, H2+, H3+ and SPD when spindle motor is working)
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Figure 18 (Limit switch condition signal LDIN when disc in)
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DVH-3900MP/XZ/EW5
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CH1 IC1201(37)
CH2 IC1201(39)
CH3 IC1201(40)
CH1 IC1201(6)
CH2 IC1201(27)
CH3 IC1201(29)
CH4 IC1201(31)
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CH1 CN1202(13)
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