Waveforms Of Major Check Point - LG LAC-M2500R Service Manual

❏ WAVEFORMS OF MAJOR CHECK POINT
#1. SPINDLE DRIVE AND MOTOR WAVEFORM
IC501(29), IC544(12) when TOC reading
#3. FOCUS DRIVE AND MOTOR WAVEFORM
IC501(37), IC504(15)
• When focus search failed or there is no disc on tray
#4. TRACK DRIVE AND MOTOR WAVEFORM
IC504(35), IC504(17) during TOC Reading
#2. RF WAVEFORM
IC502(8), IC502(3) during TOC Reading
• There is disc on tray and focus search success
#5. MICOM INTERFACE WAVEFORM
CN503(18,19,20,21) during normal play
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