LG LX-M240 D - Page 13

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• READING OK CHECK #B (= “NO DISC” DISPLAY)
B
BB
B
DOES FA+ WAVEFORM
APPEAR AT ( IC503 PIN15 AND
PN501 PIN16) WAVEFORM #3
FOCUS COIL DRIVE WAVE
DOES FAIN- WAVEFORM
APPEAR AT ( IC503 PIN 26)
WAVEFORM #3 FOCUS
DRIVE WAVE
DEFECTIVE IC501
DEFECTIVE IC503
CHECK PN501 CONNECTOR LINE
DEFECTIVE PN501
CONNECTOR
DEFECTIVE PICKUP
FOCUS ACTUATOR
NO
NO
NO
NO
NO
YES