Disc Type Judgement Waveform (Dvdrw); Spindle Waveform1 - LG RH4820W Service Manual

17. DISC TYPE JUDGEMENT WAVEFORM (DVDRW)

18. SPINDLE WAVEFORM1

1.25V
1.25V
F+(REF 2.5V)
(CN101 PIN 35)
FE(REF 1.5V)
(IC107 PIN86)
2.25V
3-120
SPIN (REF 1.25V)
(IC105 PIN 24)
SRVC (REF 1.25V)
(IC105 PIN 27)
SFG(IC105 PIN21)