LG LM-U1060 Service Manual page 41

I WAVEFORMS OF MAKOR CHECK POINT
#2. SLED DRIVE AND MOTOR WAVEFORM
(IC802 PIN 5, 13) WHEN FOCUS SEARCH
PIN 5 : SLIN
PIN 13 : SL+
#3. FOCUS DRIVE AND MOTOR WAVEFORM
(IC802 PIN 25, IC802 PIN 16)
• WHEN FOCUS SEARCH FAILED OR THERE IS
NO DISC ON TRAY
PIN 25 : FAO
PIN 16 : FA+
- 2-34 -
#2. MICOM INTERFACE WAVEFORM
(PN805 PIN 26, 19, 3, 15) DURING NORMAL PLAY
PIN 5 : SLIN
PIN 13 : SL+
#3. FOCUS DRIVE AND MOTOR WAVEFORM
(IC802 PIN 25, IC802 PIN 16)
• THERE IS DISC ON TRAY AND FOCUS SEARCH
SUCCESS
PIN 26 : WRQ
PIN 25 : FAO
PIN 16 : FA+