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READING OK CHECK #D (= "NO DISC" DISPLAY)
DOES SP+ WAVEFORM APPEAR AT
NO
( IC803 PIN12 AND PN802 PIN6)WAVE-
FORM #4
SPINDLE MOTOR DRIVE WAVE
NO
DOES SPIN WAVEFORM
APPEAR AT( IC803 PIN 6)
DEFECTIVE IC801
WAVEFORM #4
SPINDLE DRIVE WAVE
YES
NO
DEFECTIVE IC803
NO
DEFECTIVE PN802
CHECK PN802 CONNECTOR LINE
CONNECTOR
NO
DEFECTIVE PICKUP
SPINDLE MOTOR
- 2-17 -
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