JVC CE MANUALXV-N450BUC Service Manual page 25

5.2.6 LASER POWER CONTROL RELATED SIGNAL (NO DISC CONDITION)
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5.2.7 SPINDLE CONTROL WAVEFORM (NO DISC CONDITION)
MDI1(0V/180mV)
CD_LD(3.3V//2.3V)
DVD_LD(3.3V/2.3V)
Fig.6-1
SPINDLE_S(1.4V/1.8V)
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SP-(3.6V/2.4V)
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SP+(3.6V/4.8V)
Fig.7-1
CN201
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