LG LX-M240 D - Page 12

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• READING OK CHECK #A (= “NO DISC” DISPLAY)
A
AA
A
DOES SL+ WAVEFORM
APPEAR AT ( IC503 PIN14 AND
PN503 PIN3) WAVEFORM #2
SLED MOTOR WAVE
DOES SLIN WAVEFORM
APPEAR AT ( IC503 PIN 5)
WAVEFORM #2 SLED
DRIVE WAVE
DEFECTIVE IC501
DEFECTIVE IC503
CHECK PN503 CONNECTOR LINE
DEFECTIVE PN503
CONNECTOR
DEFECTIVE PICKUP
SLED MOTOR
NO
NO
NO
NO
NO
YES
YES