LG LPC-LM440A/X Service Manual page 15

READING OK CHECK #B(="NO DISC "DISPLAY)
B
DOSE FA+WAVEFORM
APPEAR AT(IC802 Pin16 )
FOCUS COIL DRIVE WAVE
YES
CHECK PN801
CONNECTOR LINE
NO
DOSE FAIN WAVEFORM
APPEAR AT (IC802 Pin22)
DRIVE WAVE
NO
NO
- 2-6 -
NO
DEFECTIVE IC801
NO
DEFECTIVE IC802
DEFECTIVE PN801
CONNECTOR
DEFECTIVE PICK-UP
FOCUS ACTUATOR