Waveforms Of Major Check Point - LG LAC-M8410R Service Manual

❏ WAVEFORMS OF MAJOR CHECK POINT
#1. MICOM INTERFACE WAVEFORM
(CN503 1 9,2 1 ,1 8,20) during normal play
#3. FOCUS DRIVE AND MOTOR WAVEFORM
(R5 1 3, IC504 pin 1 5)
• When focus search failed or there is no disc on the
tray
#2. SLED DRIVE AND MOTOR WAVEFORM
(IC504 pin5, 1 4) when focus search
• There is disc on tray and focus search success
- 2-12 -