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• READING OK CHECK #D(="NO DISC" DISPLAY)
D
DOSE SP+ WAVEFORM
APPEAR AT(IC503 PIN 12 AND
PN503 PIN6)WAVEFORM #4
SPINDLE MOTOR DRIVE WAVE
YES
CHECK PN503 CONNECTOR LINE
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NO
DOSE SPIN WAVEFORM
APPEAR AT (IC503 PIN6)
WAVEFORM #4
SPINDLE DRIVE WAVE
YES
- 2-9 -
NO
DEFECTIVE IC501
NO
DEFECTIVE IC503
NO
DEFECTIVE PN503
CONNECTOR
DEFECTIVE PICUP
SPINDLE MOTOOR
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