LG LX-M240 D - Page 15

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• READING OK CHECK #D (= “NO DISC” DISPLAY)
D
DD
D
CHECK PN503 CONNECTOR LINE
DEFECTIVE IC501
DEFECTIVE IC503
DEFECTIVE PN503
CONNECTOR
DEFECTIVE PICKUP
“SPINDLE MOTOR
NO
NO
NO
NO
NO
YES
YES
DOES SPIN WAVEFORM
APPEAR AT
( IC503 PIN 6)
WAVEFORM #4
SPINDLE DRIVE WAVE
DOES SP+ WAVEFORM APPEAR
AT ( IC503 PIN12 AND PN503 PIN6)
WAVEFORM #4
SPINDLE MOTOR DRIVE WAVE